diff --git a/contracts/Cargo.lock b/contracts/Cargo.lock
index 9dac7a9..1ed1d1e 100644
--- a/contracts/Cargo.lock
+++ b/contracts/Cargo.lock
@@ -2,21 +2,6 @@
 # It is not intended for manual editing.
 version = 4
 
-[[package]]
-name = "addr2line"
-version = "0.25.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b5d307320b3181d6d7954e663bd7c774a838b8220fe0593c86d9fb09f498b4b"
-dependencies = [
- "gimli",
-]
-
-[[package]]
-name = "adler2"
-version = "2.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
-
 [[package]]
 name = "ahash"
 version = "0.8.12"
@@ -127,7 +112,7 @@ dependencies = [
  "ark-std",
  "derivative",
  "hashbrown 0.13.2",
- "itertools 0.10.5",
+ "itertools",
  "num-traits",
  "zeroize",
 ]
@@ -144,7 +129,7 @@ dependencies = [
  "ark-std",
  "derivative",
  "digest",
- "itertools 0.10.5",
+ "itertools",
  "num-bigint",
  "num-traits",
  "paste",
@@ -227,39 +212,12 @@ version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
-[[package]]
-name = "backtrace"
-version = "0.3.76"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb531853791a215d7c62a30daf0dde835f381ab5de4589cfe7c649d2cbe92bd6"
-dependencies = [
- "addr2line",
- "cfg-if",
- "libc",
- "miniz_oxide",
- "object",
- "rustc-demangle",
- "windows-link",
-]
-
 [[package]]
 name = "base16ct"
 version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4c7f02d4ea65f2c1853089ffd8d2787bdbc63de2f0d29dedbcf8ccdfa0ccd4cf"
 
-[[package]]
-name = "base32"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23ce669cd6c8588f79e15cf450314f9638f967fc5770ff1c7c1deb0925ea7cfa"
-
-[[package]]
-name = "base64"
-version = "0.13.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e1b586273c5702936fe7b7d6896644d8be71e6314cfe09d3167c95f712589e8"
-
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -512,16 +470,6 @@ dependencies = [
  "typenum",
 ]
 
-[[package]]
-name = "ctor"
-version = "0.2.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "32a2785755761f3ddc1492979ce1e48d2c00d09311c39e4466429188f3dd6501"
-dependencies = [
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "ctor"
 version = "0.5.0"
@@ -906,12 +854,6 @@ dependencies = [
  "wasip3",
 ]
 
-[[package]]
-name = "gimli"
-version = "0.32.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e629b9b98ef3dd8afe6ca2bd0f89306cec16d43d907889945bc5d6687f2f13c7"
-
 [[package]]
 name = "group"
 version = "0.13.0"
@@ -1082,15 +1024,6 @@ dependencies = [
  "either",
 ]
 
-[[package]]
-name = "itertools"
-version = "0.11.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1c173a5686ce8bfa551b3563d0c2170bf24ca44da99c7ca4bfdab5418c3fe57"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.18"
@@ -1185,16 +1118,8 @@ checksum = "f8ca58f447f06ed17d5fc4043ce1b10dd205e060fb3ce5b979b8ed8e59ff3f79"
 name = "meter-aggregator"
 version = "0.0.0"
 dependencies = [
- "soroban-sdk 23.5.3",
-]
-
-[[package]]
-name = "miniz_oxide"
-version = "0.8.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fa76a2c86f704bdb222d66965fb3d63269ce38518b83cb0575fca855ebb6316"
-dependencies = [
- "adler2",
+ "soroban-sdk",
+ "utility-contracts-common",
 ]
 
 [[package]]
@@ -1242,15 +1167,6 @@ dependencies = [
  "autocfg",
 ]
 
-[[package]]
-name = "object"
-version = "0.37.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ff76201f031d8863c38aa7f905eca4f53abbfa15f609db4277d44cd8938f33fe"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "once_cell"
 version = "1.21.4"
@@ -1320,7 +1236,7 @@ dependencies = [
 name = "price_oracle"
 version = "0.0.0"
 dependencies = [
- "soroban-sdk 23.5.3",
+ "soroban-sdk",
 ]
 
 [[package]]
@@ -1485,7 +1401,8 @@ checksum = "dc897dd8d9e8bd1ed8cdad82b5966c3e0ecae09fb1907d58efaa013543185d0a"
 name = "resource-token"
 version = "0.1.0"
 dependencies = [
- "soroban-sdk 21.7.7",
+ "soroban-sdk",
+ "utility-contracts-common",
 ]
 
 [[package]]
@@ -1498,12 +1415,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "rustc-demangle"
-version = "0.1.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b50b8869d9fc858ce7266cce0194bd74df58b9d0e3f6df3a9fc8eb470d95c09d"
-
 [[package]]
 name = "rustc_version"
 version = "0.4.1"
@@ -1651,7 +1562,7 @@ version = "3.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dd5414fad8e6907dbdd5bc441a50ae8d6e26151a03b1de04d89a5576de61d01f"
 dependencies = [
- "base64 0.22.1",
+ "base64",
  "chrono",
  "hex",
  "indexmap 1.9.3",
@@ -1681,7 +1592,8 @@ dependencies = [
 name = "settlement"
 version = "0.1.0"
 dependencies = [
- "soroban-sdk 23.5.3",
+ "soroban-sdk",
+ "utility-contracts-common",
 ]
 
 [[package]]
@@ -1727,49 +1639,18 @@ version = "1.15.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "67b1b7a3b5fe4f1376887184045fcf45c69e92af734b7aaddc05fb777b6fbd03"
 
-[[package]]
-name = "soroban-builtin-sdk-macros"
-version = "21.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f57a68ef8777e28e274de0f3a88ad9a5a41d9a2eb461b4dd800b086f0e83b80"
-dependencies = [
- "itertools 0.11.0",
- "proc-macro2",
- "quote",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "soroban-builtin-sdk-macros"
 version = "23.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9336adeabcd6f636a4e0889c8baf494658ef5a3c4e7e227569acd2ce9091e85"
 dependencies = [
- "itertools 0.10.5",
+ "itertools",
  "proc-macro2",
  "quote",
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "soroban-env-common"
-version = "21.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2fd1c89463835fe6da996318156d39f424b4f167c725ec692e5a7a2d4e694b3d"
-dependencies = [
- "arbitrary",
- "crate-git-revision",
- "ethnum",
- "num-derive",
- "num-traits",
- "serde",
- "soroban-env-macros 21.2.1",
- "soroban-wasmi",
- "static_assertions",
- "stellar-xdr 21.2.0",
- "wasmparser 0.116.1",
-]
-
 [[package]]
 name = "soroban-env-common"
 version = "23.0.1"
@@ -1782,64 +1663,21 @@ dependencies = [
  "num-derive",
  "num-traits",
  "serde",
- "soroban-env-macros 23.0.1",
+ "soroban-env-macros",
  "soroban-wasmi",
  "static_assertions",
- "stellar-xdr 23.0.0",
+ "stellar-xdr",
  "wasmparser 0.116.1",
 ]
 
-[[package]]
-name = "soroban-env-guest"
-version = "21.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6bfb2536811045d5cd0c656a324cbe9ce4467eb734c7946b74410d90dea5d0ce"
-dependencies = [
- "soroban-env-common 21.2.1",
- "static_assertions",
-]
-
 [[package]]
 name = "soroban-env-guest"
 version = "23.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ccd1e40963517b10963a8e404348d3fe6caf9c278ac47a6effd48771297374d6"
 dependencies = [
- "soroban-env-common 23.0.1",
- "static_assertions",
-]
-
-[[package]]
-name = "soroban-env-host"
-version = "21.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b7a32c28f281c423189f1298960194f0e0fc4eeb72378028171e556d8cd6160"
-dependencies = [
- "backtrace",
- "curve25519-dalek",
- "ecdsa",
- "ed25519-dalek",
- "elliptic-curve",
- "generic-array",
- "getrandom 0.2.17",
- "hex-literal",
- "hmac",
- "k256",
- "num-derive",
- "num-integer",
- "num-traits",
- "p256",
- "rand 0.8.6",
- "rand_chacha 0.3.1",
- "sec1",
- "sha2",
- "sha3",
- "soroban-builtin-sdk-macros 21.2.1",
- "soroban-env-common 21.2.1",
- "soroban-wasmi",
+ "soroban-env-common",
  "static_assertions",
- "stellar-strkey 0.0.8",
- "wasmparser 0.116.1",
 ]
 
 [[package]]
@@ -1870,58 +1708,29 @@ dependencies = [
  "sec1",
  "sha2",
  "sha3",
- "soroban-builtin-sdk-macros 23.0.1",
- "soroban-env-common 23.0.1",
+ "soroban-builtin-sdk-macros",
+ "soroban-env-common",
  "soroban-wasmi",
  "static_assertions",
  "stellar-strkey 0.0.13",
  "wasmparser 0.116.1",
 ]
 
-[[package]]
-name = "soroban-env-macros"
-version = "21.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "242926fe5e0d922f12d3796cd7cd02dd824e5ef1caa088f45fce20b618309f64"
-dependencies = [
- "itertools 0.11.0",
- "proc-macro2",
- "quote",
- "serde",
- "serde_json",
- "stellar-xdr 21.2.0",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "soroban-env-macros"
 version = "23.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b0e6a1c5844257ce96f5f54ef976035d5bd0ee6edefaf9f5e0bcb8ea4b34228c"
 dependencies = [
- "itertools 0.10.5",
+ "itertools",
  "proc-macro2",
  "quote",
  "serde",
  "serde_json",
- "stellar-xdr 23.0.0",
+ "stellar-xdr",
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "soroban-ledger-snapshot"
-version = "21.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6edf92749fd8399b417192d301c11f710b9cdce15789a3d157785ea971576fa"
-dependencies = [
- "serde",
- "serde_json",
- "serde_with",
- "soroban-env-common 21.2.1",
- "soroban-env-host 21.2.1",
- "thiserror",
-]
-
 [[package]]
 name = "soroban-ledger-snapshot"
 version = "23.5.3"
@@ -1931,33 +1740,11 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_with",
- "soroban-env-common 23.0.1",
- "soroban-env-host 23.0.1",
+ "soroban-env-common",
+ "soroban-env-host",
  "thiserror",
 ]
 
-[[package]]
-name = "soroban-sdk"
-version = "21.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7dcdf04484af7cc731a7a48ad1d9f5f940370edeea84734434ceaf398a6b862e"
-dependencies = [
- "arbitrary",
- "bytes-lit",
- "ctor 0.2.9",
- "derive_arbitrary",
- "ed25519-dalek",
- "rand 0.8.6",
- "rustc_version",
- "serde",
- "serde_json",
- "soroban-env-guest 21.2.1",
- "soroban-env-host 21.2.1",
- "soroban-ledger-snapshot 21.7.7",
- "soroban-sdk-macros 21.7.7",
- "stellar-strkey 0.0.8",
-]
-
 [[package]]
 name = "soroban-sdk"
 version = "23.5.3"
@@ -1967,41 +1754,21 @@ dependencies = [
  "arbitrary",
  "bytes-lit",
  "crate-git-revision",
- "ctor 0.5.0",
+ "ctor",
  "derive_arbitrary",
  "ed25519-dalek",
  "rand 0.8.6",
  "rustc_version",
  "serde",
  "serde_json",
- "soroban-env-guest 23.0.1",
- "soroban-env-host 23.0.1",
- "soroban-ledger-snapshot 23.5.3",
- "soroban-sdk-macros 23.5.3",
+ "soroban-env-guest",
+ "soroban-env-host",
+ "soroban-ledger-snapshot",
+ "soroban-sdk-macros",
  "stellar-strkey 0.0.16",
  "visibility",
 ]
 
-[[package]]
-name = "soroban-sdk-macros"
-version = "21.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0974e413731aeff2443f2305b344578b3f1ffd18335a7ba0f0b5d2eb4e94c9ce"
-dependencies = [
- "crate-git-revision",
- "darling 0.20.11",
- "itertools 0.11.0",
- "proc-macro2",
- "quote",
- "rustc_version",
- "sha2",
- "soroban-env-common 21.2.1",
- "soroban-spec 21.7.7",
- "soroban-spec-rust 21.7.7",
- "stellar-xdr 21.2.0",
- "syn 2.0.117",
-]
-
 [[package]]
 name = "soroban-sdk-macros"
 version = "23.5.3"
@@ -2010,58 +1777,30 @@ checksum = "caa7114e2f031b6fbd30376e844f3c55f6daf56f6f9d33ce309f846ffced316d"
 dependencies = [
  "darling 0.20.11",
  "heck",
- "itertools 0.10.5",
+ "itertools",
  "macro-string",
  "proc-macro2",
  "quote",
  "sha2",
- "soroban-env-common 23.0.1",
- "soroban-spec 23.5.3",
- "soroban-spec-rust 23.5.3",
- "stellar-xdr 23.0.0",
+ "soroban-env-common",
+ "soroban-spec",
+ "soroban-spec-rust",
+ "stellar-xdr",
  "syn 2.0.117",
 ]
 
-[[package]]
-name = "soroban-spec"
-version = "21.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2c70b20e68cae3ef700b8fa3ae29db1c6a294b311fba66918f90cb8f9fd0a1a"
-dependencies = [
- "base64 0.13.1",
- "stellar-xdr 21.2.0",
- "thiserror",
- "wasmparser 0.116.1",
-]
-
 [[package]]
 name = "soroban-spec"
 version = "23.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1303589e67e7c76d0571b8d797b75f9fa33a1ceb1b4361a981570a3ebf00ac19"
 dependencies = [
- "base64 0.22.1",
- "stellar-xdr 23.0.0",
+ "base64",
+ "stellar-xdr",
  "thiserror",
  "wasmparser 0.116.1",
 ]
 
-[[package]]
-name = "soroban-spec-rust"
-version = "21.7.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a2dafbde981b141b191c6c036abc86097070ddd6eaaa33b273701449501e43d3"
-dependencies = [
- "prettyplease",
- "proc-macro2",
- "quote",
- "sha2",
- "soroban-spec 21.7.7",
- "stellar-xdr 21.2.0",
- "syn 2.0.117",
- "thiserror",
-]
-
 [[package]]
 name = "soroban-spec-rust"
 version = "23.5.3"
@@ -2072,8 +1811,8 @@ dependencies = [
  "proc-macro2",
  "quote",
  "sha2",
- "soroban-spec 23.5.3",
- "stellar-xdr 23.0.0",
+ "soroban-spec",
+ "stellar-xdr",
  "syn 2.0.117",
  "thiserror",
 ]
@@ -2119,17 +1858,6 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
-[[package]]
-name = "stellar-strkey"
-version = "0.0.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12d2bf45e114117ea91d820a846fd1afbe3ba7d717988fee094ce8227a3bf8bd"
-dependencies = [
- "base32",
- "crate-git-revision",
- "thiserror",
-]
-
 [[package]]
 name = "stellar-strkey"
 version = "0.0.13"
@@ -2151,22 +1879,6 @@ dependencies = [
  "heapless",
 ]
 
-[[package]]
-name = "stellar-xdr"
-version = "21.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2675a71212ed39a806e415b0dbf4702879ff288ec7f5ee996dda42a135512b50"
-dependencies = [
- "arbitrary",
- "base64 0.13.1",
- "crate-git-revision",
- "escape-bytes",
- "hex",
- "serde",
- "serde_with",
- "stellar-strkey 0.0.8",
-]
-
 [[package]]
 name = "stellar-xdr"
 version = "23.0.0"
@@ -2174,7 +1886,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "89d2848e1694b0c8db81fd812bfab5ea71ee28073e09ccc45620ef3cf7a75a9b"
 dependencies = [
  "arbitrary",
- "base64 0.22.1",
+ "base64",
  "cfg_eval",
  "crate-git-revision",
  "escape-bytes",
@@ -2326,6 +2038,9 @@ checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 [[package]]
 name = "utility-contracts-common"
 version = "0.1.0"
+dependencies = [
+ "soroban-sdk",
+]
 
 [[package]]
 name = "utility_contracts"
@@ -2334,7 +2049,7 @@ dependencies = [
  "cargo-fuzz",
  "lazy_static",
  "proptest",
- "soroban-sdk 23.5.3",
+ "soroban-sdk",
 ]
 
 [[package]]
diff --git a/contracts/common/Cargo.toml b/contracts/common/Cargo.toml
index f6cb6c5..7ccdaa0 100644
--- a/contracts/common/Cargo.toml
+++ b/contracts/common/Cargo.toml
@@ -9,3 +9,4 @@ crate-type = ["lib"]
 doctest = false
 
 [dependencies]
+soroban-sdk = { workspace = true }
diff --git a/contracts/common/src/errors.rs b/contracts/common/src/errors.rs
new file mode 100644
index 0000000..20c915e
--- /dev/null
+++ b/contracts/common/src/errors.rs
@@ -0,0 +1,10 @@
+use soroban_sdk::contracterror;
+
+#[contracterror]
+#[derive(Copy, Clone, Debug, Eq, PartialEq)]
+#[repr(u32)]
+pub enum ArithmeticError {
+    Overflow = 100,
+    Underflow = 101,
+    DivisionByZero = 102,
+}
diff --git a/contracts/common/src/lib.rs b/contracts/common/src/lib.rs
index c17b6b3..679c40d 100644
--- a/contracts/common/src/lib.rs
+++ b/contracts/common/src/lib.rs
@@ -1,6 +1,7 @@
 #![no_std]
 extern crate alloc;
 
+pub mod errors;
 pub mod namespace;
 pub mod scaling;
 pub mod weighted_rate;
diff --git a/contracts/meter-aggregator/Cargo.toml b/contracts/meter-aggregator/Cargo.toml
index bddff05..4f0fdbc 100644
--- a/contracts/meter-aggregator/Cargo.toml
+++ b/contracts/meter-aggregator/Cargo.toml
@@ -10,6 +10,7 @@ doctest = false
 
 [dependencies]
 soroban-sdk = { workspace = true }
+utility-contracts-common = { path = "../common" }
 
 [dev-dependencies]
 soroban-sdk = { workspace = true, features = ["testutils"] }
diff --git a/contracts/meter-aggregator/src/lib.rs b/contracts/meter-aggregator/src/lib.rs
index 9513179..8823509 100644
--- a/contracts/meter-aggregator/src/lib.rs
+++ b/contracts/meter-aggregator/src/lib.rs
@@ -32,6 +32,7 @@
 //! hour/day.
 
 use soroban_sdk::{contract, contractimpl, panic_with_error, Address, Env};
+use utility_contracts_common::errors::ArithmeticError;
 
 pub mod constants;
 pub mod storage;
@@ -45,11 +46,11 @@ use constants::{
 };
 use types::{DailyBucket, Error, HourlyBucket, RawReading};
 
-/// Overflow-checked `i128` addition that traps with [`Error::Overflow`].
+/// Overflow-checked `i128` addition that traps with [`ArithmeticError::Overflow`].
 fn checked_add(env: &Env, a: i128, b: i128) -> i128 {
     match a.checked_add(b) {
         Some(v) => v,
-        None => panic_with_error!(env, Error::Overflow),
+        None => panic_with_error!(env, ArithmeticError::Overflow),
     }
 }
 
diff --git a/contracts/meter-aggregator/src/test.rs b/contracts/meter-aggregator/src/test.rs
index 18e1f95..1b33f0b 100644
--- a/contracts/meter-aggregator/src/test.rs
+++ b/contracts/meter-aggregator/src/test.rs
@@ -257,3 +257,41 @@ fn test_invalid_time_range_rejected() {
     let res = client.try_get_aggregated_volume(&device, &100, &50);
     assert!(res.is_err());
 }
+
+#[test]
+fn test_max_aggregation_scenario_property() {
+    // Technical Invariants & Bounds from issue description:
+    let max_reading: i128 = 10_000_000_000_000; // 1M tokens * 1e7 precision
+    let max_readings_per_device: u32 = 1_000_000;
+    let max_devices: u32 = 100_000;
+    let max_rate: i128 = 10_000_000_000_000; // 1M rate * 1e7 precision
+
+    // Simulate aggregation for one device
+    let mut device_total: i128 = 0;
+    // Instead of looping 1M times (too slow for test), we do it in steps
+    for _ in 0..100 {
+        let chunk_sum = max_reading.checked_mul(max_readings_per_device as i128 / 100).unwrap();
+        device_total = device_total.checked_add(chunk_sum).unwrap();
+    }
+    assert_eq!(device_total, 10_000_000_000_000_000_000); // 1e19
+
+    // Cross-device aggregation
+    let mut total_volume: i128 = 0;
+    for _ in 0..100 {
+        let chunk_sum = device_total.checked_mul(max_devices as i128 / 100).unwrap();
+        total_volume = total_volume.checked_add(chunk_sum).unwrap();
+    }
+    assert_eq!(total_volume, 1_000_000_000_000_000_000_000_000); // 1e24
+
+    // Tariff rate application (total_volume * max_rate)
+    // Before division by DECIMAL_DENOMINATOR (1e7)
+    let product = total_volume.checked_mul(max_rate).unwrap();
+    assert_eq!(product, 10_000_000_000_000_000_000_000_000_000_000_000_000); // 1e37
+
+    // Ensure it is still within i128::MAX
+    assert!(product < i128::MAX);
+
+    // Final settlement amount after 1e7 adjustment
+    let final_amount = product.checked_div(10_000_000).unwrap();
+    assert_eq!(final_amount, 1_000_000_000_000_000_000_000_000_000_000); // 1e30
+}
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_daily_bucket_fast_path.1.json b/contracts/meter-aggregator/test_snapshots/test/test_daily_bucket_fast_path.1.json
new file mode 100644
index 0000000..5ed4222
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_daily_bucket_fast_path.1.json
@@ -0,0 +1,597 @@
+{
+  "generators": {
+    "address": 4,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "submit_reading",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "7"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "submit_reading",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "3"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 867700,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000020000000f0000000a52656164696e67536571000000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000020000000f0000000a52656164696e67536571000000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+                },
+                "durability": "persistent",
+                "val": {
+                  "u64": "2"
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000020000000f0000000b5072756e65437572736f720000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000020000000f0000000b5072756e65437572736f720000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+                },
+                "durability": "persistent",
+                "val": {
+                  "u64": "0"
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000a52617752656164696e67000000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000000"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000a52617752656164696e67000000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000000"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "source"
+                      },
+                      "val": {
+                        "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "timestamp"
+                      },
+                      "val": {
+                        "u64": "864100"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "value"
+                      },
+                      "val": {
+                        "i128": "7"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000a52617752656164696e67000000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000001"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000a52617752656164696e67000000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000001"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "source"
+                      },
+                      "val": {
+                        "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "timestamp"
+                      },
+                      "val": {
+                        "u64": "867700"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "value"
+                      },
+                      "val": {
+                        "i128": "3"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000b4461696c794275636b6574000000001200000001000000000000000000000000000000000000000000000000000000000000000300000005000000000000000a"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000b4461696c794275636b6574000000001200000001000000000000000000000000000000000000000000000000000000000000000300000005000000000000000a"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 2
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "day_epoch"
+                      },
+                      "val": {
+                        "u64": "10"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "10"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b6574000000120000000100000000000000000000000000000000000000000000000000000000000000030000000500000000000000f0"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b6574000000120000000100000000000000000000000000000000000000000000000000000000000000030000000500000000000000f0"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 1
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "hour_epoch"
+                      },
+                      "val": {
+                        "u64": "240"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "7"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b6574000000120000000100000000000000000000000000000000000000000000000000000000000000030000000500000000000000f1"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b6574000000120000000100000000000000000000000000000000000000000000000000000000000000030000000500000000000000f1"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 1
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "hour_epoch"
+                      },
+                      "val": {
+                        "u64": "241"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "3"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "1033654523790656264"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "1033654523790656264"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5541220902715666415"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5541220902715666415"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_double_initialize_panics.1.json b/contracts/meter-aggregator/test_snapshots/test/test_double_initialize_panics.1.json
new file mode 100644
index 0000000..6e3e4ac
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_double_initialize_panics.1.json
@@ -0,0 +1,138 @@
+{
+  "generators": {
+    "address": 4,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 0,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_hour_rollup_correctness.1.json b/contracts/meter-aggregator/test_snapshots/test/test_hour_rollup_correctness.1.json
new file mode 100644
index 0000000..1712086
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_hour_rollup_correctness.1.json
@@ -0,0 +1,826 @@
+{
+  "generators": {
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+    "nonce": 0,
+    "mux_id": 0
+  },
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+        }
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+        }
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+          4095
+        ]
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+      [
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+        ]
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+        ]
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+          4095
+        ]
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+      [
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+            "durability": "persistent"
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+        },
+        [
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+                "durability": "persistent",
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+                    },
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+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
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+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
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+                "key": {
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+                },
+                "durability": "persistent",
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+                      "val": {
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+                      }
+                    },
+                    {
+                      "key": {
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+                      },
+                      "val": {
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+                      }
+                    },
+                    {
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+                      },
+                      "val": {
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+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
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+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b657400000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000065"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
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+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
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+                "durability": "persistent",
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+                }
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+            "ext": "v0"
+          },
+          518400
+        ]
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+      [
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+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
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+            "key": {
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+              }
+            },
+            "durability": "temporary"
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+        },
+        [
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+            "data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
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+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "1033654523790656264"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
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+            "key": {
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+                "nonce": "2032731177588607455"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "2032731177588607455"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "4837995959683129791"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "4837995959683129791"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5541220902715666415"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5541220902715666415"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_initialize_and_admin.1.json b/contracts/meter-aggregator/test_snapshots/test/test_initialize_and_admin.1.json
new file mode 100644
index 0000000..46d585e
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_initialize_and_admin.1.json
@@ -0,0 +1,138 @@
+{
+  "generators": {
+    "address": 3,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 0,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_invalid_time_range_rejected.1.json b/contracts/meter-aggregator/test_snapshots/test/test_invalid_time_range_rejected.1.json
new file mode 100644
index 0000000..46d585e
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_invalid_time_range_rejected.1.json
@@ -0,0 +1,138 @@
+{
+  "generators": {
+    "address": 3,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 0,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_negative_value_rejected.1.json b/contracts/meter-aggregator/test_snapshots/test/test_negative_value_rejected.1.json
new file mode 100644
index 0000000..67a4dc9
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_negative_value_rejected.1.json
@@ -0,0 +1,138 @@
+{
+  "generators": {
+    "address": 4,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 1000,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_overflow_aggregation_is_rejected.1.json b/contracts/meter-aggregator/test_snapshots/test/test_overflow_aggregation_is_rejected.1.json
new file mode 100644
index 0000000..f061bc1
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_overflow_aggregation_is_rejected.1.json
@@ -0,0 +1,427 @@
+{
+  "generators": {
+    "address": 4,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "submit_reading",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "170141183460469231731687303715884105727"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 1800010,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000020000000f0000000a52656164696e67536571000000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000020000000f0000000a52656164696e67536571000000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+                },
+                "durability": "persistent",
+                "val": {
+                  "u64": "1"
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000020000000f0000000b5072756e65437572736f720000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000020000000f0000000b5072756e65437572736f720000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+                },
+                "durability": "persistent",
+                "val": {
+                  "u64": "0"
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000a52617752656164696e67000000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000000"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000a52617752656164696e67000000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000000"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "source"
+                      },
+                      "val": {
+                        "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "timestamp"
+                      },
+                      "val": {
+                        "u64": "1800000"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "value"
+                      },
+                      "val": {
+                        "i128": "170141183460469231731687303715884105727"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000b4461696c794275636b65740000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000014"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000b4461696c794275636b65740000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000014"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 1
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "day_epoch"
+                      },
+                      "val": {
+                        "u64": "20"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "170141183460469231731687303715884105727"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b6574000000120000000100000000000000000000000000000000000000000000000000000000000000030000000500000000000001f4"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b6574000000120000000100000000000000000000000000000000000000000000000000000000000000030000000500000000000001f4"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 1
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "hour_epoch"
+                      },
+                      "val": {
+                        "u64": "500"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "170141183460469231731687303715884105727"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5541220902715666415"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5541220902715666415"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_prune_batch_size_limit.1.json b/contracts/meter-aggregator/test_snapshots/test/test_prune_batch_size_limit.1.json
new file mode 100644
index 0000000..7534c23
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_prune_batch_size_limit.1.json
@@ -0,0 +1,1476 @@
+{
+  "generators": {
+    "address": 4,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
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+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "2140788761963629343"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "2140788761963629343"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "2307661404550649928"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "2307661404550649928"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "2578412842719982537"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "2578412842719982537"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "2781962168096793370"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "2781962168096793370"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "3126073502131104533"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "3126073502131104533"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "4270020994084947596"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "4270020994084947596"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "4571470874178140630"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "4571470874178140630"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "4837995959683129791"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "4837995959683129791"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5541220902715666415"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5541220902715666415"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5806905060045992000"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5806905060045992000"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "6277191135259896685"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "6277191135259896685"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "6391496069076573377"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "6391496069076573377"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "6517132746326325848"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "6517132746326325848"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "7270604957039011794"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "7270604957039011794"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8370022561469687789"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8370022561469687789"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_prune_retention_boundary.1.json b/contracts/meter-aggregator/test_snapshots/test/test_prune_retention_boundary.1.json
new file mode 100644
index 0000000..6d3dd96
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_prune_retention_boundary.1.json
@@ -0,0 +1,375 @@
+{
+  "generators": {
+    "address": 4,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "submit_reading",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "42"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    [],
+    [],
+    [],
+    [],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 2604801,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000020000000f0000000a52656164696e67536571000000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000020000000f0000000a52656164696e67536571000000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+                },
+                "durability": "persistent",
+                "val": {
+                  "u64": "1"
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000020000000f0000000b5072756e65437572736f720000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000020000000f0000000b5072756e65437572736f720000000012000000010000000000000000000000000000000000000000000000000000000000000003"
+                },
+                "durability": "persistent",
+                "val": {
+                  "u64": "1"
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000b4461696c794275636b65740000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000017"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000b4461696c794275636b65740000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000017"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 1
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "day_epoch"
+                      },
+                      "val": {
+                        "u64": "23"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "42"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b65740000001200000001000000000000000000000000000000000000000000000000000000000000000300000005000000000000022b"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
+                  "bytes": "4d5441470000001000000001000000030000000f0000000c486f75726c794275636b65740000001200000001000000000000000000000000000000000000000000000000000000000000000300000005000000000000022b"
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 1
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "hour_epoch"
+                      },
+                      "val": {
+                        "u64": "555"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "42"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "bytes": "4d5441470000001000000001000000010000000f0000000541646d696e000000"
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5541220902715666415"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5541220902715666415"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_rollup_day_reclaims_hourly_but_keeps_total.1.json b/contracts/meter-aggregator/test_snapshots/test/test_rollup_day_reclaims_hourly_but_keeps_total.1.json
new file mode 100644
index 0000000..d11500e
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_rollup_day_reclaims_hourly_but_keeps_total.1.json
@@ -0,0 +1,542 @@
+{
+  "generators": {
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+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
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+        {
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+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
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+              "function_name": "rollup_day",
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+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
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+          },
+          "sub_invocations": []
+        }
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+    ],
+    [],
+    [],
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+    "timestamp": 1735300,
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+    "min_persistent_entry_ttl": 4096,
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+            },
+            "durability": "persistent"
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+        [
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+            "data": {
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+        ]
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+        [
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+                "durability": "persistent",
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+            },
+            "ext": "v0"
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+          518400
+        ]
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+            "durability": "persistent"
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+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
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+                },
+                "durability": "persistent",
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+                      "key": {
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+                      "val": {
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+                    {
+                      "key": {
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+                      "val": {
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+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": {
+              "bytes": "4d5441470000001000000001000000030000000f0000000a52617752656164696e67000000000012000000010000000000000000000000000000000000000000000000000000000000000003000000050000000000000001"
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
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+                },
+                "durability": "persistent",
+                "val": {
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+                      "val": {
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+        ]
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+            "durability": "persistent"
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+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": {
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+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
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+                      "key": {
+                        "symbol": "count"
+                      },
+                      "val": {
+                        "u32": 2
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "day_epoch"
+                      },
+                      "val": {
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+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "total"
+                      },
+                      "val": {
+                        "i128": "100"
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
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+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
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+                        },
+                        "val": {
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+                        }
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+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
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+        [
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+            "data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
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+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
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+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "4837995959683129791"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
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+              }
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+            "durability": "temporary"
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+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "1033654523790656264"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
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+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5541220902715666415"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5541220902715666415"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
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+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/meter-aggregator/test_snapshots/test/test_storage_exhaustion_prevention.1.json b/contracts/meter-aggregator/test_snapshots/test/test_storage_exhaustion_prevention.1.json
new file mode 100644
index 0000000..636a2d8
--- /dev/null
+++ b/contracts/meter-aggregator/test_snapshots/test/test_storage_exhaustion_prevention.1.json
@@ -0,0 +1,7365 @@
+{
+  "generators": {
+    "address": 4,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "initialize",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "submit_reading",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "1"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
+              "function_name": "submit_reading",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "1"
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+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+        {
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+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "1"
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+          "sub_invocations": []
+        }
+      ]
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+    [
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+                },
+                {
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+                },
+                {
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+          "sub_invocations": []
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+    [
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+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
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+                {
+                  "i128": "1"
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+          },
+          "sub_invocations": []
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+    ],
+    [
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+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
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+    ],
+    [
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+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8079234564129527112"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8157382300544000078"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8157382300544000078"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8370022561469687789"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8370022561469687789"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8375915698557174338"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8375915698557174338"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8582780626144801259"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8582780626144801259"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8754220119846337199"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8754220119846337199"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8799288422285703394"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8799288422285703394"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8840537117088365198"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8840537117088365198"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8927585635974722530"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8927585635974722530"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "8941506213304483187"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "8941506213304483187"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "9085653633391546739"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "9085653633391546739"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "9203650180228785090"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "9203650180228785090"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "9219847003023114248"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "9219847003023114248"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/resource-token/Cargo.toml b/contracts/resource-token/Cargo.toml
index 6ede8ff..4181e07 100644
--- a/contracts/resource-token/Cargo.toml
+++ b/contracts/resource-token/Cargo.toml
@@ -9,10 +9,11 @@ crate-type = ["cdylib", "rlib"]
 doctest = false
 
 [dependencies]
-soroban-sdk = "21.7.0"
+soroban-sdk = { workspace = true }
+utility-contracts-common = { path = "../common" }
 
 [dev-dependencies]
-soroban-sdk = { version = "21.7.0", features = ["testutils"] }
+soroban-sdk = { workspace = true, features = ["testutils"] }
 
 [profile.release]
 opt-level = "z"
diff --git a/contracts/resource-token/src/lib.rs b/contracts/resource-token/src/lib.rs
index 940cbd4..b3c72a7 100644
--- a/contracts/resource-token/src/lib.rs
+++ b/contracts/resource-token/src/lib.rs
@@ -15,7 +15,8 @@ extern crate alloc;
 // The authorization check validates the full invocation chain to ensure that
 // a malicious intermediate contract cannot spoof authorization.
 
-use soroban_sdk::{contract, contractimpl, Address, Env, Vec};
+use soroban_sdk::{contract, contractimpl, panic_with_error, Address, Env, Vec};
+use utility_contracts_common::errors::ArithmeticError;
 
 mod admin;
 mod allowance;
@@ -139,9 +140,9 @@ impl ResourceToken {
         // is no in-ledger concurrency to guard against; the real invariant to
         // enforce is the cap itself.
         let current_supply = get_total_supply(&env);
-        let new_supply = current_supply
-            .checked_add(amount)
-            .expect("Supply overflow");
+        let new_supply = current_supply.checked_add(amount).unwrap_or_else(|| {
+            panic_with_error!(&env, ArithmeticError::Overflow);
+        });
         if new_supply > MAX_SUPPLY {
             panic!("Max supply exceeded");
         }
@@ -149,9 +150,9 @@ impl ResourceToken {
         // Update balance (overflow-checked; the workspace build does not enable
         // overflow-checks, so the explicit check is load-bearing).
         let current_balance = get_balance(&env, &to);
-        let new_balance = current_balance
-            .checked_add(amount)
-            .expect("Balance overflow");
+        let new_balance = current_balance.checked_add(amount).unwrap_or_else(|| {
+            panic_with_error!(&env, ArithmeticError::Overflow);
+        });
         set_balance(&env, &to, new_balance);
 
         // Commit the new total supply.
@@ -194,16 +195,16 @@ impl ResourceToken {
         if current_balance < amount {
             panic!("Insufficient balance");
         }
-        let new_balance = current_balance
-            .checked_sub(amount)
-            .expect("Balance underflow");
+        let new_balance = current_balance.checked_sub(amount).unwrap_or_else(|| {
+            panic_with_error!(&env, ArithmeticError::Underflow);
+        });
         set_balance(&env, &from, new_balance);
 
         // Update total supply
         let current_supply = get_total_supply(&env);
-        let new_supply = current_supply
-            .checked_sub(amount)
-            .expect("Supply underflow");
+        let new_supply = current_supply.checked_sub(amount).unwrap_or_else(|| {
+            panic_with_error!(&env, ArithmeticError::Underflow);
+        });
         set_total_supply(&env, new_supply);
         
         // Emit event
diff --git a/contracts/resource-token/test_snapshots/test/test_balance_query_for_nonexistent_account.1.json b/contracts/resource-token/test_snapshots/test/test_balance_query_for_nonexistent_account.1.json
index facd313..d40a9bd 100644
--- a/contracts/resource-token/test_snapshots/test/test_balance_query_for_nonexistent_account.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_balance_query_for_nonexistent_account.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -26,7 +28,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -104,7 +106,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -119,7 +121,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -154,128 +156,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 0
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_burn_after_max_supply_allows_reminting.1.json b/contracts/resource-token/test_snapshots/test/test_burn_after_max_supply_allows_reminting.1.json
index c3ead2e..54c2140 100644
--- a/contracts/resource-token/test_snapshots/test/test_burn_after_max_supply_allows_reminting.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_burn_after_max_supply_allows_reminting.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               ]
             }
@@ -61,10 +60,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -87,10 +83,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -103,7 +96,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -165,10 +158,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               }
             },
@@ -199,10 +189,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               }
             },
@@ -249,7 +236,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -264,7 +251,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -282,7 +269,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -297,7 +284,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -315,7 +302,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 4837995959683129791
+                "nonce": "4837995959683129791"
               }
             },
             "durability": "temporary"
@@ -330,7 +317,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 4837995959683129791
+                    "nonce": "4837995959683129791"
                   }
                 },
                 "durability": "temporary",
@@ -348,7 +335,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -363,7 +350,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -398,489 +385,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 999999999999000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000000000000000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000000000000000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_burn_insufficient_balance.1.json b/contracts/resource-token/test_snapshots/test/test_burn_insufficient_balance.1.json
index d9543cc..433868e 100644
--- a/contracts/resource-token/test_snapshots/test/test_burn_insufficient_balance.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_burn_insufficient_balance.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
+                  "i128": "100"
                 }
               ]
             }
@@ -51,7 +50,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -113,10 +112,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
+                  "i128": "100"
                 }
               }
             },
@@ -147,10 +143,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
+                  "i128": "100"
                 }
               }
             },
@@ -197,7 +190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -212,7 +205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -230,7 +223,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -245,7 +238,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -280,327 +273,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "log"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "caught panic 'Insufficient balance' from contract function 'Symbol(burn)'"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "burn"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 200
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_burn_rejected_without_authorization.1.json b/contracts/resource-token/test_snapshots/test/test_burn_rejected_without_authorization.1.json
index f612827..2adbc09 100644
--- a/contracts/resource-token/test_snapshots/test/test_burn_rejected_without_authorization.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_burn_rejected_without_authorization.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -51,7 +50,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -113,10 +112,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -147,10 +143,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -197,7 +190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -212,7 +205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -230,7 +223,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -245,7 +238,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -280,351 +273,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "Unauthorized function call for address"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "burn"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 500
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_burn_zero_amount.1.json b/contracts/resource-token/test_snapshots/test/test_burn_zero_amount.1.json
index 4776037..2adbc09 100644
--- a/contracts/resource-token/test_snapshots/test/test_burn_zero_amount.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_burn_zero_amount.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -51,7 +50,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -113,10 +112,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -147,10 +143,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -197,7 +190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -212,7 +205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -230,7 +223,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -245,7 +238,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -280,327 +273,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 0
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "log"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "caught panic 'Amount must be positive' from contract function 'Symbol(burn)'"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 0
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "burn"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 0
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_change_admin.1.json b/contracts/resource-token/test_snapshots/test/test_change_admin.1.json
index fd41175..e2d3d57 100644
--- a/contracts/resource-token/test_snapshots/test/test_change_admin.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_change_admin.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 4,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -56,10 +58,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               ]
             }
@@ -71,7 +70,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -133,10 +132,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               }
             },
@@ -167,10 +163,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               }
             },
@@ -217,7 +210,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -232,7 +225,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -250,7 +243,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -265,7 +258,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -283,7 +276,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -298,7 +291,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -333,332 +326,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "set_admin"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "set_admin"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "get_admin"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "get_admin"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 500
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_direct_admin_burn.1.json b/contracts/resource-token/test_snapshots/test/test_direct_admin_burn.1.json
index 6c63229..463ae75 100644
--- a/contracts/resource-token/test_snapshots/test/test_direct_admin_burn.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_direct_admin_burn.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -61,10 +60,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
+                  "i128": "300"
                 }
               ]
             }
@@ -77,7 +73,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -139,10 +135,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 700
-                  }
+                  "i128": "700"
                 }
               }
             },
@@ -173,10 +166,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 700
-                  }
+                  "i128": "700"
                 }
               }
             },
@@ -223,7 +213,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -238,7 +228,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -256,7 +246,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -271,7 +261,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -289,7 +279,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -304,7 +294,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -339,352 +329,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 700
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 700
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_direct_admin_mint.1.json b/contracts/resource-token/test_snapshots/test/test_direct_admin_mint.1.json
index 2c70d17..bf18b79 100644
--- a/contracts/resource-token/test_snapshots/test/test_direct_admin_mint.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_direct_admin_mint.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -52,7 +51,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -114,10 +113,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -148,10 +144,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -198,7 +191,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -213,7 +206,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -231,7 +224,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -246,7 +239,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -281,265 +274,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_expired_operator_fails.1.json b/contracts/resource-token/test_snapshots/test/test_expired_operator_fails.1.json
index 47b5036..ba92620 100644
--- a/contracts/resource-token/test_snapshots/test/test_expired_operator_fails.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_expired_operator_fails.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 4,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,7 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "u64": 1
+                  "u64": "1"
                 }
               ]
             }
@@ -48,7 +50,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 2,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -110,7 +112,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 1
+                  "u64": "1"
                 }
               }
             },
@@ -141,7 +143,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 1
+                  "u64": "1"
                 }
               }
             },
@@ -188,7 +190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -203,7 +205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -221,7 +223,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -236,7 +238,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -271,209 +273,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 1
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "operator"
-              },
-              {
-                "symbol": "auth"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 1
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "bool": false
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_initialize.1.json b/contracts/resource-token/test_snapshots/test/test_initialize.1.json
index 9626ba1..d7c5987 100644
--- a/contracts/resource-token/test_snapshots/test/test_initialize.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_initialize.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 2,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -26,7 +28,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -104,7 +106,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -119,7 +121,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -154,123 +156,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "get_admin"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "get_admin"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_initialize_twice.1.json b/contracts/resource-token/test_snapshots/test/test_initialize_twice.1.json
index db1e2b6..d7c5987 100644
--- a/contracts/resource-token/test_snapshots/test/test_initialize_twice.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_initialize_twice.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 2,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -26,7 +28,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -104,7 +106,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -119,7 +121,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -154,218 +156,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "log"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "caught panic 'Already initialized' from contract function 'Symbol(obj#55)'"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "initialize"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_mint_exceeding_max_supply_panics.1.json b/contracts/resource-token/test_snapshots/test/test_mint_exceeding_max_supply_panics.1.json
index 59caadd..942ed4a 100644
--- a/contracts/resource-token/test_snapshots/test/test_mint_exceeding_max_supply_panics.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_mint_exceeding_max_supply_panics.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               ]
             }
@@ -51,7 +50,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -113,10 +112,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               }
             },
@@ -147,10 +143,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               }
             },
@@ -197,7 +190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -212,7 +205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -230,7 +223,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -245,7 +238,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -280,327 +273,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "log"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "caught panic 'Max supply exceeded' from contract function 'Symbol(mint)'"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "mint"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 1
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_mint_overflowing_supply_in_two_steps_panics.1.json b/contracts/resource-token/test_snapshots/test/test_mint_overflowing_supply_in_two_steps_panics.1.json
index acb5cd1..de50a27 100644
--- a/contracts/resource-token/test_snapshots/test/test_mint_overflowing_supply_in_two_steps_panics.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_mint_overflowing_supply_in_two_steps_panics.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 4,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 999999999999999
-                  }
+                  "i128": "999999999999999"
                 }
               ]
             }
@@ -51,7 +50,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -113,10 +112,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 999999999999999
-                  }
+                  "i128": "999999999999999"
                 }
               }
             },
@@ -147,10 +143,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 999999999999999
-                  }
+                  "i128": "999999999999999"
                 }
               }
             },
@@ -197,7 +190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -212,7 +205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -230,7 +223,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -245,7 +238,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -280,327 +273,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 999999999999999
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 999999999999999
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 2
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "log"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "caught panic 'Max supply exceeded' from contract function 'Symbol(mint)'"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 2
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "mint"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 2
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_auth_leaves_state_unchanged.1.json b/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_auth_leaves_state_unchanged.1.json
index 378297c..351d059 100644
--- a/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_auth_leaves_state_unchanged.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_auth_leaves_state_unchanged.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -28,7 +30,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -106,7 +108,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -121,7 +123,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -156,341 +158,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "Unauthorized function call for address"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract try_call failed"
-                },
-                {
-                  "symbol": "mint"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 1000
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 0
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 0
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_authorization.1.json b/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_authorization.1.json
index 4f2b2e4..d40a9bd 100644
--- a/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_authorization.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_mint_rejected_without_authorization.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -26,7 +28,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -104,7 +106,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -119,7 +121,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -154,264 +156,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "Unauthorized function call for address"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "mint"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 1000
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "auth": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_mint_up_to_max_supply_succeeds.1.json b/contracts/resource-token/test_snapshots/test/test_mint_up_to_max_supply_succeeds.1.json
index d46e726..595e2db 100644
--- a/contracts/resource-token/test_snapshots/test/test_mint_up_to_max_supply_succeeds.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_mint_up_to_max_supply_succeeds.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               ]
             }
@@ -52,7 +51,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -114,10 +113,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               }
             },
@@ -148,10 +144,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
+                  "i128": "1000000000000000"
                 }
               }
             },
@@ -198,7 +191,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -213,7 +206,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -231,7 +224,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -246,7 +239,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -281,265 +274,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000000000000000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000000000000000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000000000000000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_mint_zero_amount.1.json b/contracts/resource-token/test_snapshots/test/test_mint_zero_amount.1.json
index d5807f4..d40a9bd 100644
--- a/contracts/resource-token/test_snapshots/test/test_mint_zero_amount.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_mint_zero_amount.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -26,7 +28,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -104,7 +106,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -119,7 +121,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -154,240 +156,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 0
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "log"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "caught panic 'Amount must be positive' from contract function 'Symbol(mint)'"
-                },
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 0
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "caught error from function"
-            }
-          }
-        }
-      },
-      "failed_call": true
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "string": "contract call failed"
-                },
-                {
-                  "symbol": "mint"
-                },
-                {
-                  "vec": [
-                    {
-                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                    },
-                    {
-                      "i128": {
-                        "hi": 0,
-                        "lo": 0
-                      }
-                    }
-                  ]
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "error"
-              },
-              {
-                "error": {
-                  "wasm_vm": "invalid_action"
-                }
-              }
-            ],
-            "data": {
-              "string": "escalating error to panic"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_multiple_burns.1.json b/contracts/resource-token/test_snapshots/test/test_multiple_burns.1.json
index b5db15b..41948ff 100644
--- a/contracts/resource-token/test_snapshots/test/test_multiple_burns.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_multiple_burns.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -61,10 +60,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
+                  "i128": "200"
                 }
               ]
             }
@@ -86,10 +82,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
+                  "i128": "300"
                 }
               ]
             }
@@ -111,10 +104,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
+                  "i128": "100"
                 }
               ]
             }
@@ -127,7 +117,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -189,10 +179,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 400
-                  }
+                  "i128": "400"
                 }
               }
             },
@@ -223,10 +210,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 400
-                  }
+                  "i128": "400"
                 }
               }
             },
@@ -273,7 +257,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -288,7 +272,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -306,7 +290,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -321,7 +305,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -339,7 +323,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 2032731177588607455
+                "nonce": "2032731177588607455"
               }
             },
             "durability": "temporary"
@@ -354,7 +338,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 2032731177588607455
+                    "nonce": "2032731177588607455"
                   }
                 },
                 "durability": "temporary",
@@ -372,7 +356,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 4837995959683129791
+                "nonce": "4837995959683129791"
               }
             },
             "durability": "temporary"
@@ -387,7 +371,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 4837995959683129791
+                    "nonce": "4837995959683129791"
                   }
                 },
                 "durability": "temporary",
@@ -405,7 +389,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -420,7 +404,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -455,526 +439,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 100
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 400
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 400
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_multiple_mints.1.json b/contracts/resource-token/test_snapshots/test/test_multiple_mints.1.json
index 54b7a13..e4ec50f 100644
--- a/contracts/resource-token/test_snapshots/test/test_multiple_mints.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_multiple_mints.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               ]
             }
@@ -61,10 +60,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
+                  "i128": "300"
                 }
               ]
             }
@@ -86,10 +82,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
+                  "i128": "200"
                 }
               ]
             }
@@ -102,7 +95,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -164,10 +157,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -198,10 +188,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -248,7 +235,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -263,7 +250,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -281,7 +268,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -296,7 +283,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -314,7 +301,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 4837995959683129791
+                "nonce": "4837995959683129791"
               }
             },
             "durability": "temporary"
@@ -329,7 +316,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 4837995959683129791
+                    "nonce": "4837995959683129791"
                   }
                 },
                 "durability": "temporary",
@@ -347,7 +334,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -362,7 +349,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -397,439 +384,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 200
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_multiple_operators.1.json b/contracts/resource-token/test_snapshots/test/test_multiple_operators.1.json
index b4c5e7f..27c5b9f 100644
--- a/contracts/resource-token/test_snapshots/test/test_multiple_operators.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_multiple_operators.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 6,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,7 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               ]
             }
@@ -58,7 +60,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
                 },
                 {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               ]
             }
@@ -82,10 +84,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               ]
             }
@@ -107,10 +106,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
+                  "i128": "300"
                 }
               ]
             }
@@ -122,7 +118,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -184,10 +180,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 800
-                  }
+                  "i128": "800"
                 }
               }
             },
@@ -218,7 +211,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 1
+                  "u64": "1"
                 }
               }
             },
@@ -249,7 +242,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 1
+                  "u64": "1"
                 }
               }
             },
@@ -280,10 +273,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               }
             },
@@ -314,10 +304,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
+                  "i128": "300"
                 }
               }
             },
@@ -348,7 +335,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               }
             },
@@ -379,7 +366,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               }
             },
@@ -426,7 +413,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -441,7 +428,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -459,7 +446,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -474,7 +461,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -492,7 +479,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 2032731177588607455
+                "nonce": "2032731177588607455"
               }
             },
             "durability": "temporary"
@@ -507,7 +494,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 2032731177588607455
+                    "nonce": "2032731177588607455"
                   }
                 },
                 "durability": "temporary",
@@ -525,7 +512,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 4837995959683129791
+                "nonce": "4837995959683129791"
               }
             },
             "durability": "temporary"
@@ -540,7 +527,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 4837995959683129791
+                    "nonce": "4837995959683129791"
                   }
                 },
                 "durability": "temporary",
@@ -558,7 +545,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -573,7 +560,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -608,566 +595,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "operator"
-              },
-              {
-                "symbol": "auth"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "operator"
-              },
-              {
-                "symbol": "auth"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "bool": true
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "bool": true
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 300
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 800
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_operator_burn.1.json b/contracts/resource-token/test_snapshots/test/test_operator_burn.1.json
index 427a0e7..b105b03 100644
--- a/contracts/resource-token/test_snapshots/test/test_operator_burn.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_operator_burn.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 4,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -61,7 +60,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               ]
             }
@@ -83,10 +82,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 400
-                  }
+                  "i128": "400"
                 }
               ]
             }
@@ -98,7 +94,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -160,10 +156,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 600
-                  }
+                  "i128": "600"
                 }
               }
             },
@@ -194,7 +187,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 1
+                  "u64": "1"
                 }
               }
             },
@@ -225,10 +218,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 600
-                  }
+                  "i128": "600"
                 }
               }
             },
@@ -259,7 +249,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               }
             },
@@ -306,7 +296,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -321,7 +311,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -339,7 +329,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -354,7 +344,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -372,7 +362,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 4837995959683129791
+                "nonce": "4837995959683129791"
               }
             },
             "durability": "temporary"
@@ -387,7 +377,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 4837995959683129791
+                    "nonce": "4837995959683129791"
                   }
                 },
                 "durability": "temporary",
@@ -405,7 +395,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -420,7 +410,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -455,386 +445,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "operator"
-              },
-              {
-                "symbol": "auth"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 400
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 400
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "burn"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 600
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_operator_cannot_authorize_other_operators.1.json b/contracts/resource-token/test_snapshots/test/test_operator_cannot_authorize_other_operators.1.json
index 8635996..2692869 100644
--- a/contracts/resource-token/test_snapshots/test/test_operator_cannot_authorize_other_operators.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_operator_cannot_authorize_other_operators.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 4,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,7 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               ]
             }
@@ -47,7 +49,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -109,7 +111,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 1
+                  "u64": "1"
                 }
               }
             },
@@ -140,7 +142,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               }
             },
@@ -187,7 +189,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -202,7 +204,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -220,7 +222,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -235,7 +237,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -274,110 +276,7 @@
     {
       "event": {
         "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
+        "contract_id": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
         "type_": "contract",
         "body": {
           "v0": {
@@ -395,7 +294,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               ]
             }
@@ -403,27 +302,6 @@
         }
       },
       "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
     }
   ]
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_operator_mint.1.json b/contracts/resource-token/test_snapshots/test/test_operator_mint.1.json
index 75dd25a..f661fba 100644
--- a/contracts/resource-token/test_snapshots/test/test_operator_mint.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_operator_mint.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 4,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,7 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               ]
             }
@@ -59,10 +61,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               ]
             }
@@ -74,7 +73,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -136,10 +135,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               }
             },
@@ -170,7 +166,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 1
+                  "u64": "1"
                 }
               }
             },
@@ -201,10 +197,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               }
             },
@@ -235,7 +228,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               }
             },
@@ -282,7 +275,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -297,7 +290,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -315,7 +308,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -330,7 +323,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -348,7 +341,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -363,7 +356,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -398,348 +391,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "operator"
-              },
-              {
-                "symbol": "auth"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "bool": true
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 500
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_repeated_mints_never_exceed_max_supply.1.json b/contracts/resource-token/test_snapshots/test/test_repeated_mints_never_exceed_max_supply.1.json
index b498f55..e69de29 100644
--- a/contracts/resource-token/test_snapshots/test/test_repeated_mints_never_exceed_max_supply.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_repeated_mints_never_exceed_max_supply.1.json
@@ -1,25247 +0,0 @@
-{
-  "generators": {
-    "address": 3,
-    "nonce": 0
-  },
-  "auth": [
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "initialize",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
-            }
-          },
-          "sub_invocations": []
-        }
-      ]
-    ],
-    [],
-    [],
-    [
-      [
-        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
-        {
-          "function": {
-            "contract_fn": {
-              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
-              "function_name": "mint",
-              "args": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 10000000000000
-                  }
-                }
-              ]
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-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "total_supply"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 1000000000000000
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
-}
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_revoked_operator_fails.1.json b/contracts/resource-token/test_snapshots/test/test_revoked_operator_fails.1.json
index 36f4122..067d66f 100644
--- a/contracts/resource-token/test_snapshots/test/test_revoked_operator_fails.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_revoked_operator_fails.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 4,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,7 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "u64": 86400
+                  "u64": "86400"
                 }
               ]
             }
@@ -68,7 +70,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -130,7 +132,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "u64": 2
+                  "u64": "2"
                 }
               }
             },
@@ -177,7 +179,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -192,7 +194,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -210,7 +212,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 1033654523790656264
+                "nonce": "1033654523790656264"
               }
             },
             "durability": "temporary"
@@ -225,7 +227,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 1033654523790656264
+                    "nonce": "1033654523790656264"
                   }
                 },
                 "durability": "temporary",
@@ -243,7 +245,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -258,7 +260,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -293,328 +295,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "operator"
-              },
-              {
-                "symbol": "auth"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "u64": 86400
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "authorize_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "bool": true
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "revoke_operator"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "operator"
-              },
-              {
-                "symbol": "revoke"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "revoke_operator"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "is_valid_operator"
-              }
-            ],
-            "data": {
-              "bool": false
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_unauthorized_burn.1.json b/contracts/resource-token/test_snapshots/test/test_unauthorized_burn.1.json
index ed2403b..d8920d9 100644
--- a/contracts/resource-token/test_snapshots/test/test_unauthorized_burn.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_unauthorized_burn.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -50,7 +49,7 @@
     ]
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -112,10 +111,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -146,10 +142,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               }
             },
@@ -196,7 +189,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -211,7 +204,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -229,7 +222,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -244,7 +237,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -283,113 +276,7 @@
     {
       "event": {
         "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
+        "contract_id": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAD2KM",
         "type_": "contract",
         "body": {
           "v0": {
@@ -404,10 +291,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 1000
-                  }
+                  "i128": "1000"
                 }
               ]
             }
@@ -415,27 +299,6 @@
         }
       },
       "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
     }
   ]
 }
\ No newline at end of file
diff --git a/contracts/resource-token/test_snapshots/test/test_unauthorized_mint.1.json b/contracts/resource-token/test_snapshots/test/test_unauthorized_mint.1.json
index dc9df68..5693007 100644
--- a/contracts/resource-token/test_snapshots/test/test_unauthorized_mint.1.json
+++ b/contracts/resource-token/test_snapshots/test/test_unauthorized_mint.1.json
@@ -1,9 +1,11 @@
 {
   "generators": {
     "address": 3,
-    "nonce": 0
+    "nonce": 0,
+    "mux_id": 0
   },
   "auth": [
+    [],
     [
       [
         "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
@@ -36,10 +38,7 @@
                   "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
                 },
                 {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               ]
             }
@@ -51,7 +50,7 @@
     []
   ],
   "ledger": {
-    "protocol_version": 21,
+    "protocol_version": 23,
     "sequence_number": 0,
     "timestamp": 0,
     "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
@@ -113,10 +112,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               }
             },
@@ -147,10 +143,7 @@
                 },
                 "durability": "persistent",
                 "val": {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
+                  "i128": "500"
                 }
               }
             },
@@ -197,7 +190,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 801925984706572462
+                "nonce": "801925984706572462"
               }
             },
             "durability": "temporary"
@@ -212,7 +205,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 801925984706572462
+                    "nonce": "801925984706572462"
                   }
                 },
                 "durability": "temporary",
@@ -230,7 +223,7 @@
             "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
             "key": {
               "ledger_key_nonce": {
-                "nonce": 5541220902715666415
+                "nonce": "5541220902715666415"
               }
             },
             "durability": "temporary"
@@ -245,7 +238,7 @@
                 "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
                 "key": {
                   "ledger_key_nonce": {
-                    "nonce": 5541220902715666415
+                    "nonce": "5541220902715666415"
                   }
                 },
                 "durability": "temporary",
@@ -280,215 +273,5 @@
       ]
     ]
   },
-  "events": [
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "admin"
-              },
-              {
-                "symbol": "set"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "initialize"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "contract",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": {
-              "vec": [
-                {
-                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-                },
-                {
-                  "i128": {
-                    "hi": 0,
-                    "lo": 500
-                  }
-                }
-              ]
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "mint"
-              }
-            ],
-            "data": "void"
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": null,
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_call"
-              },
-              {
-                "bytes": "0000000000000000000000000000000000000000000000000000000000000001"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
-            }
-          }
-        }
-      },
-      "failed_call": false
-    },
-    {
-      "event": {
-        "ext": "v0",
-        "contract_id": "0000000000000000000000000000000000000000000000000000000000000001",
-        "type_": "diagnostic",
-        "body": {
-          "v0": {
-            "topics": [
-              {
-                "symbol": "fn_return"
-              },
-              {
-                "symbol": "balance"
-              }
-            ],
-            "data": {
-              "i128": {
-                "hi": 0,
-                "lo": 500
-              }
-            }
-          }
-        }
-      },
-      "failed_call": false
-    }
-  ]
+  "events": []
 }
\ No newline at end of file
diff --git a/contracts/settlement/Cargo.toml b/contracts/settlement/Cargo.toml
index 3bad198..e0cfeb3 100644
--- a/contracts/settlement/Cargo.toml
+++ b/contracts/settlement/Cargo.toml
@@ -10,6 +10,7 @@ doctest = false
 
 [dependencies]
 soroban-sdk = { workspace = true }
+utility-contracts-common = { path = "../common" }
 
 [dev-dependencies]
 soroban-sdk = { workspace = true, features = ["testutils"] }
diff --git a/contracts/settlement/src/conversion.rs b/contracts/settlement/src/conversion.rs
index 1a8802e..0210c63 100644
--- a/contracts/settlement/src/conversion.rs
+++ b/contracts/settlement/src/conversion.rs
@@ -26,7 +26,7 @@ pub fn convert_to_settlement_currency(
     volume: i128,
     min_expected_amount: Option<i128>,
 ) -> i128 {
-    let expected_amount = apply_rate_to_volume(volume, rate);
+    let expected_amount = apply_rate_to_volume(env, volume, rate);
 
     let actual_amount = expected_amount;
 
diff --git a/contracts/settlement/src/fees.rs b/contracts/settlement/src/fees.rs
index 0063180..3ef0de4 100644
--- a/contracts/settlement/src/fees.rs
+++ b/contracts/settlement/src/fees.rs
@@ -12,8 +12,21 @@ use crate::constants::BPS_DENOMINATOR;
 /// - fee * 10000 <= amount * rate_bps + 5000  (max 0.5 unit over-collection)
 /// - fee * 10000 >= amount * rate_bps - 4999  (max 0.5 unit under-collection)
 /// - |fee * 10000 - amount * rate_bps| <= 5000
-pub fn compute_fee(amount: i128, rate_bps: u32) -> i128 {
-    ((amount * rate_bps as i128) + 5000) / BPS_DENOMINATOR as i128
+use soroban_sdk::{panic_with_error, Env};
+use utility_contracts_common::errors::ArithmeticError;
+
+pub fn compute_fee(env: &Env, amount: i128, rate_bps: u32) -> i128 {
+    let scaled = amount.checked_mul(rate_bps as i128).unwrap_or_else(|| {
+        panic_with_error!(env, ArithmeticError::Overflow);
+    });
+    let adjusted = scaled.checked_add(5000).unwrap_or_else(|| {
+        panic_with_error!(env, ArithmeticError::Overflow);
+    });
+    adjusted
+        .checked_div(BPS_DENOMINATOR as i128)
+        .unwrap_or_else(|| {
+            panic_with_error!(env, ArithmeticError::DivisionByZero);
+        })
 }
 
 #[cfg(test)]
@@ -24,7 +37,8 @@ mod tests {
     /// Round-half-up invariant: error magnitude ≤ 0.5 units of the smallest denomination.
     /// |fee * 10000 - amount * rate_bps| <= 5000
     fn invariant_error_bounded(amount: i128, rate_bps: u32) -> bool {
-        let fee = compute_fee(amount, rate_bps);
+        let env = Env::default();
+        let fee = compute_fee(&env, amount, rate_bps);
         let scaled_fee = fee * BPS_DENOMINATOR as i128;
         let exact = amount * rate_bps as i128;
         let diff = (scaled_fee - exact).abs();
@@ -33,34 +47,36 @@ mod tests {
 
     #[test]
     fn test_compute_fee_round_half_up() {
+        let env = Env::default();
         // 0.5 rounds up
-        assert_eq!(compute_fee(1, 5000), 1);
+        assert_eq!(compute_fee(&env, 1, 5000), 1);
         // 0.5001 rounds up
-        assert_eq!(compute_fee(1, 5001), 1);
+        assert_eq!(compute_fee(&env, 1, 5001), 1);
         // 0.4999 rounds down
-        assert_eq!(compute_fee(1, 4999), 0);
+        assert_eq!(compute_fee(&env, 1, 4999), 0);
         // exact
-        assert_eq!(compute_fee(2, 5000), 1);
-        assert_eq!(compute_fee(10000, 100), 100);
+        assert_eq!(compute_fee(&env, 2, 5000), 1);
+        assert_eq!(compute_fee(&env, 10000, 100), 100);
     }
 
     #[test]
     fn test_fee_precision_scenarios() {
+        let env = Env::default();
         // 1 token * 10% = 0.1 tokens
-        assert_eq!(compute_fee(10_000_000, 1000), 1_000_000);
+        assert_eq!(compute_fee(&env, 10_000_000, 1000), 1_000_000);
 
         // minimum non-zero (1e-7 tokens) * 1000 bps (10%)
         // = 1 * 1000 / 10000 = 0.1 → rounds to 0
-        assert_eq!(compute_fee(1, 1000), 0);
+        assert_eq!(compute_fee(&env, 1, 1000), 0);
 
         // 0.0000001 * 5001 bps ≈ 0.5001 → rounds up to 1
-        assert_eq!(compute_fee(1, 5001), 1);
+        assert_eq!(compute_fee(&env, 1, 5001), 1);
 
         // 0.0000001 * 4999 bps ≈ 0.4999 → rounds down to 0
-        assert_eq!(compute_fee(1, 4999), 0);
+        assert_eq!(compute_fee(&env, 1, 4999), 0);
 
         // exact half at 5000 rounds up
-        assert_eq!(compute_fee(1, 5000), 1);
+        assert_eq!(compute_fee(&env, 1, 5000), 1);
     }
 
     #[test]
@@ -68,6 +84,7 @@ mod tests {
         let rates = [MIN_FEE_RATE_BPS, 50, 100, 500, MAX_FEE_RATE_BPS];
         let amounts = [1, 10_000_000, 100_000_000, MAX_SETTLEMENT];
 
+        let env = Env::default();
         for &amount in &amounts {
             for &rate_bps in &rates {
                 assert!(
@@ -75,7 +92,7 @@ mod tests {
                     "Invariant violated: amount={}, rate_bps={}, fee={}",
                     amount,
                     rate_bps,
-                    compute_fee(amount, rate_bps)
+                    compute_fee(&env, amount, rate_bps)
                 );
             }
         }
@@ -83,6 +100,7 @@ mod tests {
 
     #[test]
     fn test_micro_settlement_cumulative_fairness() {
+        let env = Env::default();
         let rate_bps = 100;
         let micro_amount: i128 = 1;
         let num_transactions: i128 = 1_000;
@@ -91,12 +109,12 @@ mod tests {
         // Total collected = 0
         let mut total_fee_collected: i128 = 0;
         for _ in 0..num_transactions {
-            total_fee_collected += compute_fee(micro_amount, rate_bps);
+            total_fee_collected += compute_fee(&env, micro_amount, rate_bps);
         }
         assert_eq!(total_fee_collected, 0);
 
         // A single lump-sum of same total amount
-        let lump_fee = compute_fee(num_transactions * micro_amount, rate_bps);
+        let lump_fee = compute_fee(&env, num_transactions * micro_amount, rate_bps);
 
         // The difference is due to rounding — each micro-txn loses ~0.01 units
         let diff = (total_fee_collected - lump_fee).abs();
@@ -115,6 +133,7 @@ mod tests {
 
     #[test]
     fn test_cumulative_fee_equivalence() {
+        let env = Env::default();
         // With amounts where each individual fee rounds the same way,
         // cumulative and lump-sum should agree within 1 unit.
         let rate_bps = 100;
@@ -123,10 +142,10 @@ mod tests {
 
         let mut total_fee_collected: i128 = 0;
         for _ in 0..num_transactions {
-            total_fee_collected += compute_fee(per_txn_amount, rate_bps);
+            total_fee_collected += compute_fee(&env, per_txn_amount, rate_bps);
         }
 
-        let lump_fee = compute_fee(per_txn_amount * num_transactions, rate_bps);
+        let lump_fee = compute_fee(&env, per_txn_amount * num_transactions, rate_bps);
 
         let diff = (total_fee_collected - lump_fee).abs();
         assert!(
@@ -140,10 +159,11 @@ mod tests {
 
     #[test]
     fn test_fee_monotonicity() {
+        let env = Env::default();
         let rate_bps = 100;
         let mut prev_fee: i128 = 0;
         for i in 0..1000 {
-            let fee = compute_fee(i, rate_bps);
+            let fee = compute_fee(&env, i, rate_bps);
             assert!(
                 fee >= prev_fee,
                 "Fee decreased: amount={}, prev_fee={}, fee={}",
@@ -157,16 +177,18 @@ mod tests {
 
     #[test]
     fn test_zero_rate_returns_zero() {
-        assert_eq!(compute_fee(1_000_000, 0), 0);
-        assert_eq!(compute_fee(0, 100), 0);
-        assert_eq!(compute_fee(0, 0), 0);
+        let env = Env::default();
+        assert_eq!(compute_fee(&env, 1_000_000, 0), 0);
+        assert_eq!(compute_fee(&env, 0, 100), 0);
+        assert_eq!(compute_fee(&env, 0, 0), 0);
     }
 
     #[test]
     fn test_large_amount_no_overflow() {
+        let env = Env::default();
         let amount: i128 = 1_000_000_000_000_000_000;
         let rate_bps = 1000;
-        let fee = compute_fee(amount, rate_bps);
+        let fee = compute_fee(&env, amount, rate_bps);
         assert_eq!(fee, 100_000_000_000_000_000);
     }
 }
diff --git a/contracts/settlement/src/lib.rs b/contracts/settlement/src/lib.rs
index 7e7b9c2..6784c8a 100644
--- a/contracts/settlement/src/lib.rs
+++ b/contracts/settlement/src/lib.rs
@@ -114,8 +114,8 @@ impl SettlementContract {
     }
 
     /// Compute the fee for a given amount and rate (pure, no side effects).
-    pub fn calculate_fee(_env: Env, amount: i128, rate_bps: u32) -> i128 {
-        compute_fee(amount, rate_bps)
+    pub fn calculate_fee(env: Env, amount: i128, rate_bps: u32) -> i128 {
+        compute_fee(&env, amount, rate_bps)
     }
 
     /// Finalize settlement with oracle-based currency conversion and slippage protection.
diff --git a/contracts/settlement/src/rate_application.rs b/contracts/settlement/src/rate_application.rs
index 7c5f60e..914be4a 100644
--- a/contracts/settlement/src/rate_application.rs
+++ b/contracts/settlement/src/rate_application.rs
@@ -32,14 +32,18 @@ pub fn compute_fallback_rate() -> i128 {
     FALLBACK_RATE
 }
 
+use soroban_sdk::panic_with_error;
+use utility_contracts_common::errors::ArithmeticError;
+
 /// Apply a 7-decimal fixed-point `rate` to `volume`: `volume * rate / 1e7`.
 /// Overflow-checked.
-pub fn apply_rate_to_volume(volume: i128, rate: i128) -> i128 {
-    volume
-        .checked_mul(rate)
-        .expect("rate application overflow")
-        .checked_div(DECIMAL_DENOMINATOR)
-        .expect("rate application underflow")
+pub fn apply_rate_to_volume(env: &Env, volume: i128, rate: i128) -> i128 {
+    let product = volume.checked_mul(rate).unwrap_or_else(|| {
+        panic_with_error!(env, ArithmeticError::Overflow);
+    });
+    product.checked_div(DECIMAL_DENOMINATOR).unwrap_or_else(|| {
+        panic_with_error!(env, ArithmeticError::DivisionByZero);
+    })
 }
 
 /// Fetch the current oracle rate, **rejecting** stale data.
diff --git a/contracts/settlement/src/test.rs b/contracts/settlement/src/test.rs
index 2900127..fe46a6c 100644
--- a/contracts/settlement/src/test.rs
+++ b/contracts/settlement/src/test.rs
@@ -5,10 +5,12 @@ use crate::{
     fees::compute_fee,
     token_utils::verify_fee_invariant,
 };
+use soroban_sdk::Env;
 
 /// Round-half-up invariant: |fee * 10000 - amount * rate_bps| <= 5000
 fn invariant_error_bounded(amount: i128, rate_bps: u32) -> bool {
-    let fee = compute_fee(amount, rate_bps);
+    let env = Env::default();
+    let fee = compute_fee(&env, amount, rate_bps);
     let scaled_fee = fee * BPS_DENOMINATOR as i128;
     let exact = amount * rate_bps as i128;
     (scaled_fee - exact).abs() <= 5000
@@ -49,9 +51,10 @@ fn test_edge_cases_property_based() {
         MAX_SETTLEMENT,
     ];
 
+    let env = Env::default();
     for &amount in &amounts {
         for &rate_bps in &rates {
-            let fee = compute_fee(amount, rate_bps);
+            let fee = compute_fee(&env, amount, rate_bps);
 
             assert!(
                 invariant_error_bounded(amount, rate_bps),
@@ -74,16 +77,17 @@ fn test_edge_cases_property_based() {
 
 #[test]
 fn test_micro_settlement_extraction_prevention() {
+    let env = Env::default();
     let rate_bps = 100;
     let micro_amount: i128 = 1;
 
-    let per_txn_fee = compute_fee(micro_amount, rate_bps);
+    let per_txn_fee = compute_fee(&env, micro_amount, rate_bps);
     assert_eq!(
         per_txn_fee, 0,
         "Micro-settlement fee should be 0 for rate_bps < 5000"
     );
 
-    let micro_fee_higher_rate = compute_fee(micro_amount, 5001);
+    let micro_fee_higher_rate = compute_fee(&env, micro_amount, 5001);
     assert_eq!(
         micro_fee_higher_rate, 1,
         "Round-half-up should round 5001/10000 = 1 for micro amount"
@@ -92,17 +96,17 @@ fn test_micro_settlement_extraction_prevention() {
     let num_txns: i128 = 1_000_000;
     let mut total_truncation_style: i128 = 0;
     for _ in 0..num_txns {
-        total_truncation_style += compute_fee(micro_amount, rate_bps);
+        total_truncation_style += compute_fee(&env, micro_amount, rate_bps);
     }
     assert_eq!(total_truncation_style, 0);
 
     let mut total_at_5001: i128 = 0;
     for _ in 0..num_txns {
-        total_at_5001 += compute_fee(micro_amount, 5001);
+        total_at_5001 += compute_fee(&env, micro_amount, 5001);
     }
     assert_eq!(total_at_5001, num_txns);
 
-    let lump_sum = compute_fee(num_txns * micro_amount, 5001);
+    let lump_sum = compute_fee(&env, num_txns * micro_amount, 5001);
     let diff = (total_at_5001 - lump_sum).abs();
     let max_per_txn_error = 5000i128;
     let max_cumulative_error = num_txns * max_per_txn_error;
@@ -120,6 +124,7 @@ fn test_micro_settlement_extraction_prevention() {
 
 #[test]
 fn test_truncation_vs_rounding_comparison() {
+    let env = Env::default();
     let test_cases: [(i128, u32, i128, i128); 5] = [
         (1, 5000, 0, 1),
         (1, 5001, 0, 1),
@@ -131,7 +136,7 @@ fn test_truncation_vs_rounding_comparison() {
     for &(amount, rate_bps, truncation, rounding) in &test_cases {
         let trunc_result = (amount * rate_bps as i128) / BPS_DENOMINATOR as i128;
         assert_eq!(trunc_result, truncation, "Truncation mismatch");
-        let round_result = compute_fee(amount, rate_bps);
+        let round_result = compute_fee(&env, amount, rate_bps);
         assert_eq!(round_result, rounding, "Rounding mismatch");
         assert!(
             round_result >= trunc_result,
@@ -142,20 +147,22 @@ fn test_truncation_vs_rounding_comparison() {
 
 #[test]
 fn test_zero_and_edge_inputs() {
-    assert_eq!(compute_fee(0, 100), 0, "Zero amount");
-    assert_eq!(compute_fee(0, 0), 0, "Zero amount and rate");
-    assert_eq!(compute_fee(100, 0), 0, "Zero rate");
+    let env = Env::default();
+    assert_eq!(compute_fee(&env, 0, 100), 0, "Zero amount");
+    assert_eq!(compute_fee(&env, 0, 0), 0, "Zero amount and rate");
+    assert_eq!(compute_fee(&env, 100, 0), 0, "Zero rate");
 
-    let fee = compute_fee(MAX_SETTLEMENT, MAX_FEE_RATE_BPS);
+    let fee = compute_fee(&env, MAX_SETTLEMENT, MAX_FEE_RATE_BPS);
     let expected = (MAX_SETTLEMENT * MAX_FEE_RATE_BPS as i128 + 5000) / 10000;
     assert_eq!(fee, expected);
 }
 
 #[test]
 fn test_randomized_properties() {
+    let env = Env::default();
     for amount in 1..=1000 {
         for rate_bps in 1..=100 {
-            let fee = compute_fee(amount, rate_bps);
+            let fee = compute_fee(&env, amount, rate_bps);
             assert!(
                 verify_fee_invariant(amount, rate_bps, fee),
                 "Failed at amount={}, rate_bps={}, fee={}",
@@ -168,7 +175,7 @@ fn test_randomized_properties() {
 }
 
 use soroban_sdk::testutils::{Address as _, Ledger};
-use soroban_sdk::{contract, contractimpl, contracttype, token, Address, Env};
+use soroban_sdk::{contract, contractimpl, contracttype, token, Address};
 
 use crate::constants::{DECIMAL_DENOMINATOR, FALLBACK_RATE, MAX_ORACLE_AGE};
 
@@ -415,6 +422,7 @@ mod staleness_unit {
         MIN_ORACLE_AGE_BOUND,
     };
     use crate::rate_application::{apply_rate_to_volume, compute_fallback_rate, is_stale};
+    use soroban_sdk::Env;
 
     #[test]
     fn test_max_oracle_age_within_bounds() {
@@ -435,11 +443,14 @@ mod staleness_unit {
 
     #[test]
     fn test_apply_rate_to_volume() {
+        let env = Env::default();
         // volume * rate / 1e7
-        assert_eq!(apply_rate_to_volume(1_000_0000, FALLBACK_RATE), 5_000_000);
-        assert_eq!(apply_rate_to_volume(0, FALLBACK_RATE), 0);
+        // FALLBACK_RATE is 50,000,000 (5.0). DECIMAL_DENOMINATOR is 10,000,000 (1.0).
+        // 1.0 * 5.0 = 5.0 (50,000,000)
+        assert_eq!(apply_rate_to_volume(&env, DECIMAL_DENOMINATOR, FALLBACK_RATE), 50_000_000);
+        assert_eq!(apply_rate_to_volume(&env, 0, FALLBACK_RATE), 0);
         assert_eq!(
-            apply_rate_to_volume(DECIMAL_DENOMINATOR, DECIMAL_DENOMINATOR),
+            apply_rate_to_volume(&env, DECIMAL_DENOMINATOR, DECIMAL_DENOMINATOR),
             DECIMAL_DENOMINATOR
         );
     }
@@ -584,7 +595,7 @@ fn test_stale_oracle_falls_back_to_conservative_rate() {
     );
     // Settlement amount reflects the fallback rate, not the stale oracle price.
     let expected_settlement = volume * FALLBACK_RATE / DECIMAL_DENOMINATOR;
-    let expected_fee = crate::fees::compute_fee(expected_settlement, 100);
+    let expected_fee = crate::fees::compute_fee(&env, expected_settlement, 100);
     assert_eq!(result.fee_amount, expected_fee);
     assert_eq!(result.net_amount, expected_settlement - expected_fee);
 }
diff --git a/contracts/settlement/src/token_utils.rs b/contracts/settlement/src/token_utils.rs
index 4cbe2d6..7203fbf 100644
--- a/contracts/settlement/src/token_utils.rs
+++ b/contracts/settlement/src/token_utils.rs
@@ -27,7 +27,7 @@ pub fn collect_fee(
         return 0;
     }
 
-    let fee = compute_fee(amount, rate_bps);
+    let fee = compute_fee(env, amount, rate_bps);
 
     if fee == 0 {
         return 0;
diff --git a/contracts/settlement/test_snapshots/test/test_fresh_oracle_at_boundary_uses_oracle_rate.1.json b/contracts/settlement/test_snapshots/test/test_fresh_oracle_at_boundary_uses_oracle_rate.1.json
new file mode 100644
index 0000000..411cec3
--- /dev/null
+++ b/contracts/settlement/test_snapshots/test/test_fresh_oracle_at_boundary_uses_oracle_rate.1.json
@@ -0,0 +1,827 @@
+{
+  "generators": {
+    "address": 7,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [],
+    [],
+    [
+      [
+        "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "set_admin",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "mint",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "i128": "1000000000"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+              "function_name": "finalize_settlement",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "min_expected_amount"
+                      },
+                      "val": "void"
+                    },
+                    {
+                      "key": {
+                        "symbol": "recipient"
+                      },
+                      "val": {
+                        "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "token_address"
+                      },
+                      "val": {
+                        "address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "volume"
+                      },
+                      "val": {
+                        "i128": "10000000"
+                      }
+                    }
+                  ]
+                },
+                {
+                  "u32": 100
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": "10000000"
+                    }
+                  ]
+                }
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+              }
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+              }
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+            "durability": "temporary"
+          }
+        },
+        [
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+            "data": {
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+                "ext": "v0",
+                "contract": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
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+                "val": "void"
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+        ]
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+        [
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+            "data": {
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+                },
+                "durability": "temporary",
+                "val": "void"
+              }
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+          },
+          6311999
+        ]
+      ],
+      [
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+          "contract_data": {
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+                "nonce": "5541220902715666415"
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+            "durability": "temporary"
+          }
+        },
+        [
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+            "data": {
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+                "key": {
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+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
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+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
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+                "durability": "persistent",
+                "val": {
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+                    },
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+                          "vec": [
+                            {
+                              "symbol": "Price"
+                            }
+                          ]
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+                        "val": {
+                          "i128": "1000000000"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
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+                    ]
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+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "ReentrancyLock"
+                }
+              ]
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "ReentrancyLock"
+                    }
+                  ]
+                },
+                "durability": "temporary",
+                "val": {
+                  "bool": false
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          15
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
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+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
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+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "0"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "authorized"
+                      },
+                      "val": {
+                        "bool": true
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
+                      }
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+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
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+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
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+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "990000000"
+                      }
+                    },
+                    {
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+                      "val": {
+                        "bool": true
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
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+          518400
+        ]
+      ],
+      [
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+          "contract_data": {
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+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
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+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "10000000"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "authorized"
+                      },
+                      "val": {
+                        "bool": true
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": "stellar_asset",
+                    "storage": [
+                      {
+                        "key": {
+                          "symbol": "METADATA"
+                        },
+                        "val": {
+                          "map": [
+                            {
+                              "key": {
+                                "symbol": "decimal"
+                              },
+                              "val": {
+                                "u32": 7
+                              }
+                            },
+                            {
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+                                "symbol": "name"
+                              },
+                              "val": {
+                                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+                              }
+                            },
+                            {
+                              "key": {
+                                "symbol": "symbol"
+                              },
+                              "val": {
+                                "string": "aaa"
+                              }
+                            }
+                          ]
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Admin"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "AssetInfo"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "vec": [
+                            {
+                              "symbol": "AlphaNum4"
+                            },
+                            {
+                              "map": [
+                                {
+                                  "key": {
+                                    "symbol": "asset_code"
+                                  },
+                                  "val": {
+                                    "string": "aaa\\0"
+                                  }
+                                },
+                                {
+                                  "key": {
+                                    "symbol": "issuer"
+                                  },
+                                  "val": {
+                                    "bytes": "0000000000000000000000000000000000000000000000000000000000000007"
+                                  }
+                                }
+                              ]
+                            }
+                          ]
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          120960
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
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+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "10000000"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    },
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "990000000"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/contracts/settlement/test_snapshots/test/test_fresh_oracle_under_threshold_uses_oracle_rate.1.json b/contracts/settlement/test_snapshots/test/test_fresh_oracle_under_threshold_uses_oracle_rate.1.json
new file mode 100644
index 0000000..64802db
--- /dev/null
+++ b/contracts/settlement/test_snapshots/test/test_fresh_oracle_under_threshold_uses_oracle_rate.1.json
@@ -0,0 +1,826 @@
+{
+  "generators": {
+    "address": 7,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [],
+    [],
+    [
+      [
+        "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "set_admin",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
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+    [
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+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "mint",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "i128": "1000000000"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
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+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
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+              "function_name": "finalize_settlement",
+              "args": [
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+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
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+                },
+                {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "min_expected_amount"
+                      },
+                      "val": "void"
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+                    {
+                      "key": {
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+                      },
+                      "val": {
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+                      }
+                    },
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+                      "val": {
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+                  "function_name": "transfer",
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+                    },
+                    {
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+              "sub_invocations": []
+            }
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+    "min_persistent_entry_ttl": 4096,
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+                "inflation_dest": null,
+                "flags": 0,
+                "home_domain": "",
+                "thresholds": "01010101",
+                "signers": [],
+                "ext": "v0"
+              }
+            },
+            "ext": "v0"
+          },
+          null
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
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+              }
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+            "durability": "temporary"
+          }
+        },
+        [
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+            "data": {
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+                "ext": "v0",
+                "contract": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
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+                "durability": "temporary",
+                "val": "void"
+              }
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+            "ext": "v0"
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+          6311999
+        ]
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+      [
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+          "contract_data": {
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+              "ledger_key_nonce": {
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+        },
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+                "durability": "temporary",
+                "val": "void"
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+          6311999
+        ]
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+                "val": "void"
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+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
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+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
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+            "durability": "persistent"
+          }
+        },
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+            "data": {
+              "contract_data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
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+                "durability": "persistent",
+                "val": {
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+                          "vec": [
+                            {
+                              "symbol": "Price"
+                            }
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+                        "val": {
+                          "i128": "1000000000"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
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+                }
+              }
+            },
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+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
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+                {
+                  "symbol": "ReentrancyLock"
+                }
+              ]
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
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+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "ReentrancyLock"
+                    }
+                  ]
+                },
+                "durability": "temporary",
+                "val": {
+                  "bool": false
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          15
+        ]
+      ],
+      [
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+          "contract_data": {
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+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "val": {
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+                    "executable": {
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+            "ext": "v0"
+          },
+          4095
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+      ],
+      [
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+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
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+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                    }
+                  ]
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+                "durability": "persistent",
+                "val": {
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+                    {
+                      "key": {
+                        "symbol": "amount"
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+                      "val": {
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+                        "symbol": "authorized"
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+                      "val": {
+                        "bool": true
+                      }
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+                        "symbol": "clawback"
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+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "990000000"
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+                    },
+                    {
+                      "key": {
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+                      "val": {
+                        "bool": true
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+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
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+                }
+              }
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+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "10000000"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "authorized"
+                      },
+                      "val": {
+                        "bool": true
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": "stellar_asset",
+                    "storage": [
+                      {
+                        "key": {
+                          "symbol": "METADATA"
+                        },
+                        "val": {
+                          "map": [
+                            {
+                              "key": {
+                                "symbol": "decimal"
+                              },
+                              "val": {
+                                "u32": 7
+                              }
+                            },
+                            {
+                              "key": {
+                                "symbol": "name"
+                              },
+                              "val": {
+                                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+                              }
+                            },
+                            {
+                              "key": {
+                                "symbol": "symbol"
+                              },
+                              "val": {
+                                "string": "aaa"
+                              }
+                            }
+                          ]
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Admin"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "AssetInfo"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "vec": [
+                            {
+                              "symbol": "AlphaNum4"
+                            },
+                            {
+                              "map": [
+                                {
+                                  "key": {
+                                    "symbol": "asset_code"
+                                  },
+                                  "val": {
+                                    "string": "aaa\\0"
+                                  }
+                                },
+                                {
+                                  "key": {
+                                    "symbol": "issuer"
+                                  },
+                                  "val": {
+                                    "bytes": "0000000000000000000000000000000000000000000000000000000000000007"
+                                  }
+                                }
+                              ]
+                            }
+                          ]
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          120960
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": [
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "10000000"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    },
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "990000000"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/contracts/settlement/test_snapshots/test/test_get_fresh_rate_rejects_stale_feed.1.json b/contracts/settlement/test_snapshots/test/test_get_fresh_rate_rejects_stale_feed.1.json
new file mode 100644
index 0000000..8042eb2
--- /dev/null
+++ b/contracts/settlement/test_snapshots/test/test_get_fresh_rate_rejects_stale_feed.1.json
@@ -0,0 +1,138 @@
+{
+  "generators": {
+    "address": 6,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [],
+    [],
+    [],
+    [],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 601,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Price"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "i128": "1000000000"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": null
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+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
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+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/settlement/test_snapshots/test/test_reentrancy_attack_is_blocked.1.json b/contracts/settlement/test_snapshots/test/test_reentrancy_attack_is_blocked.1.json
new file mode 100644
index 0000000..411d923
--- /dev/null
+++ b/contracts/settlement/test_snapshots/test/test_reentrancy_attack_is_blocked.1.json
@@ -0,0 +1,207 @@
+{
+  "generators": {
+    "address": 7,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [],
+    [],
+    [],
+    [],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 0,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Price"
+                            }
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+                        },
+                        "val": {
+                          "i128": "1000000000"
+                        }
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+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
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+                        },
+                        "val": {
+                          "u64": "0"
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+                }
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+            },
+            "ext": "v0"
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+        ]
+      ],
+      [
+        {
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+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
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+            "ext": "v0"
+          },
+          4095
+        ]
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+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOLZM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOLZM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Collector"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Payer"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Settlement"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/settlement/test_snapshots/test/test_reentrancy_attack_via_finalize_is_blocked.1.json b/contracts/settlement/test_snapshots/test/test_reentrancy_attack_via_finalize_is_blocked.1.json
new file mode 100644
index 0000000..411d923
--- /dev/null
+++ b/contracts/settlement/test_snapshots/test/test_reentrancy_attack_via_finalize_is_blocked.1.json
@@ -0,0 +1,207 @@
+{
+  "generators": {
+    "address": 7,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [],
+    [],
+    [],
+    [],
+    []
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 0,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Price"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "i128": "1000000000"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": null
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOLZM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAOLZM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Collector"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Payer"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Settlement"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": []
+}
\ No newline at end of file
diff --git a/contracts/settlement/test_snapshots/test/test_settle_normal_flow_with_guard.1.json b/contracts/settlement/test_snapshots/test/test_settle_normal_flow_with_guard.1.json
new file mode 100644
index 0000000..3f4d8a7
--- /dev/null
+++ b/contracts/settlement/test_snapshots/test/test_settle_normal_flow_with_guard.1.json
@@ -0,0 +1,798 @@
+{
+  "generators": {
+    "address": 7,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [],
+    [],
+    [
+      [
+        "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "set_admin",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "mint",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "i128": "1000000"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+              "function_name": "settle",
+              "args": [
+                {
+                  "address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "i128": "10000"
+                },
+                {
+                  "u32": 100
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": "100"
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            },
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                    },
+                    {
+                      "i128": "9900"
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ]
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+                "flags": 0,
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+                "thresholds": "01010101",
+                "signers": [],
+                "ext": "v0"
+              }
+            },
+            "ext": "v0"
+          },
+          null
+        ]
+      ],
+      [
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+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
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+                "contract": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+                "key": {
+                  "ledger_key_nonce": {
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+                },
+                "durability": "temporary",
+                "val": "void"
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+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
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+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "1033654523790656264"
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+            "durability": "temporary"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "1033654523790656264"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
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+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
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+            "durability": "temporary"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
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+                    "nonce": "5541220902715666415"
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+                "durability": "temporary",
+                "val": "void"
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+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
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+                          "vec": [
+                            {
+                              "symbol": "Price"
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+                        "val": {
+                          "i128": "1000000000"
+                        }
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+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
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+                        },
+                        "val": {
+                          "u64": "0"
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+                }
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+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
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+                {
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+            "durability": "temporary"
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+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "ReentrancyLock"
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+                },
+                "durability": "temporary",
+                "val": {
+                  "bool": false
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+            "ext": "v0"
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+        ]
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+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
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+            "durability": "persistent"
+          }
+        },
+        [
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+            "data": {
+              "contract_data": {
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+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
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+            "key": {
+              "vec": [
+                {
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+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
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+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
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+                    }
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+                "durability": "persistent",
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+                      "val": {
+                        "i128": "990000"
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+                    {
+                      "key": {
+                        "symbol": "authorized"
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+                      "val": {
+                        "bool": true
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+                        "symbol": "clawback"
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+                      "val": {
+                        "bool": false
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+            },
+            "ext": "v0"
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+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
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+                      "val": {
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+                      "val": {
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+            "key": {
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+                {
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+            },
+            "durability": "persistent"
+          }
+        },
+        [
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+            "data": {
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+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
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+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "100"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "authorized"
+                      },
+                      "val": {
+                        "bool": true
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": "stellar_asset",
+                    "storage": [
+                      {
+                        "key": {
+                          "symbol": "METADATA"
+                        },
+                        "val": {
+                          "map": [
+                            {
+                              "key": {
+                                "symbol": "decimal"
+                              },
+                              "val": {
+                                "u32": 7
+                              }
+                            },
+                            {
+                              "key": {
+                                "symbol": "name"
+                              },
+                              "val": {
+                                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+                              }
+                            },
+                            {
+                              "key": {
+                                "symbol": "symbol"
+                              },
+                              "val": {
+                                "string": "aaa"
+                              }
+                            }
+                          ]
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Admin"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "AssetInfo"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "vec": [
+                            {
+                              "symbol": "AlphaNum4"
+                            },
+                            {
+                              "map": [
+                                {
+                                  "key": {
+                                    "symbol": "asset_code"
+                                  },
+                                  "val": {
+                                    "string": "aaa\\0"
+                                  }
+                                },
+                                {
+                                  "key": {
+                                    "symbol": "issuer"
+                                  },
+                                  "val": {
+                                    "bytes": "0000000000000000000000000000000000000000000000000000000000000007"
+                                  }
+                                }
+                              ]
+                            }
+                          ]
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          120960
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": [
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "100"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    },
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "9900"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/contracts/settlement/test_snapshots/test/test_slippage_exceeds_tolerance_fails.1.json b/contracts/settlement/test_snapshots/test/test_slippage_exceeds_tolerance_fails.1.json
index a76ff3c..25fdf0e 100644
--- a/contracts/settlement/test_snapshots/test/test_slippage_exceeds_tolerance_fails.1.json
+++ b/contracts/settlement/test_snapshots/test/test_slippage_exceeds_tolerance_fails.1.json
@@ -189,6 +189,18 @@
                         "val": {
                           "i128": "1000000000"
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
                       }
                     ]
                   }
diff --git a/contracts/settlement/test_snapshots/test/test_slippage_within_tolerance_succeeds.1.json b/contracts/settlement/test_snapshots/test/test_slippage_within_tolerance_succeeds.1.json
index 235f678..3c73beb 100644
--- a/contracts/settlement/test_snapshots/test/test_slippage_within_tolerance_succeeds.1.json
+++ b/contracts/settlement/test_snapshots/test/test_slippage_within_tolerance_succeeds.1.json
@@ -326,6 +326,18 @@
                         "val": {
                           "i128": "1000000000"
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
                       }
                     ]
                   }
@@ -337,6 +349,45 @@
           4095
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "ReentrancyLock"
+                }
+              ]
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "ReentrancyLock"
+                    }
+                  ]
+                },
+                "durability": "temporary",
+                "val": {
+                  "bool": false
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          15
+        ]
+      ],
       [
         {
           "contract_data": {
diff --git a/contracts/settlement/test_snapshots/test/test_stale_oracle_falls_back_to_conservative_rate.1.json b/contracts/settlement/test_snapshots/test/test_stale_oracle_falls_back_to_conservative_rate.1.json
new file mode 100644
index 0000000..30eb4e3
--- /dev/null
+++ b/contracts/settlement/test_snapshots/test/test_stale_oracle_falls_back_to_conservative_rate.1.json
@@ -0,0 +1,857 @@
+{
+  "generators": {
+    "address": 7,
+    "nonce": 0,
+    "mux_id": 0
+  },
+  "auth": [
+    [],
+    [],
+    [],
+    [
+      [
+        "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "set_admin",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+              "function_name": "mint",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "i128": "1000000000"
+                }
+              ]
+            }
+          },
+          "sub_invocations": []
+        }
+      ]
+    ],
+    [],
+    [
+      [
+        "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+        {
+          "function": {
+            "contract_fn": {
+              "contract_address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+              "function_name": "finalize_settlement",
+              "args": [
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                },
+                {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "min_expected_amount"
+                      },
+                      "val": "void"
+                    },
+                    {
+                      "key": {
+                        "symbol": "recipient"
+                      },
+                      "val": {
+                        "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "token_address"
+                      },
+                      "val": {
+                        "address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "volume"
+                      },
+                      "val": {
+                        "i128": "10000000"
+                      }
+                    }
+                  ]
+                },
+                {
+                  "u32": 100
+                }
+              ]
+            }
+          },
+          "sub_invocations": [
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    },
+                    {
+                      "i128": "500000"
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            },
+            {
+              "function": {
+                "contract_fn": {
+                  "contract_address": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                  "function_name": "transfer",
+                  "args": [
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                    },
+                    {
+                      "i128": "49500000"
+                    }
+                  ]
+                }
+              },
+              "sub_invocations": []
+            }
+          ]
+        }
+      ]
+    ]
+  ],
+  "ledger": {
+    "protocol_version": 23,
+    "sequence_number": 0,
+    "timestamp": 601,
+    "network_id": "0000000000000000000000000000000000000000000000000000000000000000",
+    "base_reserve": 0,
+    "min_persistent_entry_ttl": 4096,
+    "min_temp_entry_ttl": 16,
+    "max_entry_ttl": 6312000,
+    "ledger_entries": [
+      [
+        {
+          "account": {
+            "account_id": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "account": {
+                "account_id": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+                "balance": "0",
+                "seq_num": "0",
+                "num_sub_entries": 0,
+                "inflation_dest": null,
+                "flags": 0,
+                "home_domain": "",
+                "thresholds": "01010101",
+                "signers": [],
+                "ext": "v0"
+              }
+            },
+            "ext": "v0"
+          },
+          null
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "801925984706572462"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "801925984706572462"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "1033654523790656264"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "1033654523790656264"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+            "key": {
+              "ledger_key_nonce": {
+                "nonce": "5541220902715666415"
+              }
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4",
+                "key": {
+                  "ledger_key_nonce": {
+                    "nonce": "5541220902715666415"
+                  }
+                },
+                "durability": "temporary",
+                "val": "void"
+              }
+            },
+            "ext": "v0"
+          },
+          6311999
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAK3IM",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": [
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Price"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "i128": "1000000000"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "ReentrancyLock"
+                }
+              ]
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "ReentrancyLock"
+                    }
+                  ]
+                },
+                "durability": "temporary",
+                "val": {
+                  "bool": false
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          15
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": {
+                      "wasm": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+                    },
+                    "storage": null
+                  }
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+              }
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+            "ext": "v0"
+          },
+          4095
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
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+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
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+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
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+                "durability": "persistent",
+                "val": {
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+                      "key": {
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+                      "val": {
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+                    {
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+                      "val": {
+                        "bool": true
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+                    {
+                      "key": {
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+                      "val": {
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+              }
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+            "ext": "v0"
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+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "49500000"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "authorized"
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+                      "val": {
+                        "bool": true
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+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "Balance"
+                },
+                {
+                  "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                }
+              ]
+            },
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "Balance"
+                    },
+                    {
+                      "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+                    }
+                  ]
+                },
+                "durability": "persistent",
+                "val": {
+                  "map": [
+                    {
+                      "key": {
+                        "symbol": "amount"
+                      },
+                      "val": {
+                        "i128": "500000"
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "authorized"
+                      },
+                      "val": {
+                        "bool": true
+                      }
+                    },
+                    {
+                      "key": {
+                        "symbol": "clawback"
+                      },
+                      "val": {
+                        "bool": false
+                      }
+                    }
+                  ]
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          518400
+        ]
+      ],
+      [
+        {
+          "contract_data": {
+            "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+            "key": "ledger_key_contract_instance",
+            "durability": "persistent"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+                "key": "ledger_key_contract_instance",
+                "durability": "persistent",
+                "val": {
+                  "contract_instance": {
+                    "executable": "stellar_asset",
+                    "storage": [
+                      {
+                        "key": {
+                          "symbol": "METADATA"
+                        },
+                        "val": {
+                          "map": [
+                            {
+                              "key": {
+                                "symbol": "decimal"
+                              },
+                              "val": {
+                                "u32": 7
+                              }
+                            },
+                            {
+                              "key": {
+                                "symbol": "name"
+                              },
+                              "val": {
+                                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+                              }
+                            },
+                            {
+                              "key": {
+                                "symbol": "symbol"
+                              },
+                              "val": {
+                                "string": "aaa"
+                              }
+                            }
+                          ]
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Admin"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+                        }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "AssetInfo"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "vec": [
+                            {
+                              "symbol": "AlphaNum4"
+                            },
+                            {
+                              "map": [
+                                {
+                                  "key": {
+                                    "symbol": "asset_code"
+                                  },
+                                  "val": {
+                                    "string": "aaa\\0"
+                                  }
+                                },
+                                {
+                                  "key": {
+                                    "symbol": "issuer"
+                                  },
+                                  "val": {
+                                    "bytes": "0000000000000000000000000000000000000000000000000000000000000007"
+                                  }
+                                }
+                              ]
+                            }
+                          ]
+                        }
+                      }
+                    ]
+                  }
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          120960
+        ]
+      ],
+      [
+        {
+          "contract_code": {
+            "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_code": {
+                "ext": "v0",
+                "hash": "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
+                "code": ""
+              }
+            },
+            "ext": "v0"
+          },
+          4095
+        ]
+      ]
+    ]
+  },
+  "events": [
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "StaleFbk"
+              }
+            ],
+            "data": {
+              "vec": [
+                {
+                  "u64": "601"
+                },
+                {
+                  "u64": "0"
+                },
+                {
+                  "i128": "50000000"
+                }
+              ]
+            }
+          }
+        }
+      },
+      "failed_call": false
+    },
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAITA4"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "500000"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    },
+    {
+      "event": {
+        "ext": "v0",
+        "contract_id": "CDS3FDGQ4JA2V3F26Y4BMWWJEC5TT26RJBN7KIQKUMVO2MAOCMDTSZ7A",
+        "type_": "contract",
+        "body": {
+          "v0": {
+            "topics": [
+              {
+                "symbol": "transfer"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAFCT4"
+              },
+              {
+                "address": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHK3M"
+              },
+              {
+                "string": "aaa:GAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAPP4V"
+              }
+            ],
+            "data": {
+              "i128": "49500000"
+            }
+          }
+        }
+      },
+      "failed_call": false
+    }
+  ]
+}
\ No newline at end of file
diff --git a/contracts/settlement/test_snapshots/test/test_user_min_expected_amount_higher_than_actual_fails.1.json b/contracts/settlement/test_snapshots/test/test_user_min_expected_amount_higher_than_actual_fails.1.json
index a76ff3c..25fdf0e 100644
--- a/contracts/settlement/test_snapshots/test/test_user_min_expected_amount_higher_than_actual_fails.1.json
+++ b/contracts/settlement/test_snapshots/test/test_user_min_expected_amount_higher_than_actual_fails.1.json
@@ -189,6 +189,18 @@
                         "val": {
                           "i128": "1000000000"
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
                       }
                     ]
                   }
diff --git a/contracts/settlement/test_snapshots/test/test_zero_slippage_succeeds.1.json b/contracts/settlement/test_snapshots/test/test_zero_slippage_succeeds.1.json
index fb05d68..64802db 100644
--- a/contracts/settlement/test_snapshots/test/test_zero_slippage_succeeds.1.json
+++ b/contracts/settlement/test_snapshots/test/test_zero_slippage_succeeds.1.json
@@ -324,6 +324,18 @@
                         "val": {
                           "i128": "1000000000"
                         }
+                      },
+                      {
+                        "key": {
+                          "vec": [
+                            {
+                              "symbol": "Updated"
+                            }
+                          ]
+                        },
+                        "val": {
+                          "u64": "0"
+                        }
                       }
                     ]
                   }
@@ -335,6 +347,45 @@
           4095
         ]
       ],
+      [
+        {
+          "contract_data": {
+            "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+            "key": {
+              "vec": [
+                {
+                  "symbol": "ReentrancyLock"
+                }
+              ]
+            },
+            "durability": "temporary"
+          }
+        },
+        [
+          {
+            "last_modified_ledger_seq": 0,
+            "data": {
+              "contract_data": {
+                "ext": "v0",
+                "contract": "CAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAMDR4",
+                "key": {
+                  "vec": [
+                    {
+                      "symbol": "ReentrancyLock"
+                    }
+                  ]
+                },
+                "durability": "temporary",
+                "val": {
+                  "bool": false
+                }
+              }
+            },
+            "ext": "v0"
+          },
+          15
+        ]
+      ],
       [
         {
           "contract_data": {