diff --git a/Cargo.lock b/Cargo.lock
index e55be1c7e2..f7e258d1df 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -128,7 +128,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_with",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -164,7 +164,7 @@ dependencies = [
  "futures",
  "futures-util",
  "serde_json",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tracing",
 ]
 
@@ -208,7 +208,7 @@ dependencies = [
  "alloy-rlp",
  "crc",
  "serde",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -233,7 +233,7 @@ dependencies = [
  "alloy-rlp",
  "borsh",
  "serde",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -294,7 +294,7 @@ dependencies = [
  "http 1.4.0",
  "serde",
  "serde_json",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tracing",
 ]
 
@@ -321,7 +321,7 @@ dependencies = [
  "futures-utils-wasm",
  "serde",
  "serde_json",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -403,7 +403,7 @@ dependencies = [
  "reqwest",
  "serde",
  "serde_json",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tokio",
  "tracing",
  "url",
@@ -451,7 +451,7 @@ checksum = "64b728d511962dda67c1bc7ea7c03736ec275ed2cf4c35d9585298ac9ccf3b73"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -548,7 +548,7 @@ dependencies = [
  "serde",
  "serde_json",
  "serde_with",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -562,7 +562,7 @@ dependencies = [
  "alloy-serde",
  "serde",
  "serde_json",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -602,7 +602,7 @@ dependencies = [
  "either",
  "elliptic-curve",
  "k256",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -620,7 +620,7 @@ dependencies = [
  "aws-sdk-kms",
  "k256",
  "spki",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tracing",
 ]
 
@@ -639,7 +639,7 @@ dependencies = [
  "coins-bip39",
  "k256",
  "rand 0.8.5",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "zeroize",
 ]
 
@@ -654,7 +654,7 @@ dependencies = [
  "proc-macro-error2",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -672,7 +672,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "sha3",
- "syn 2.0.114",
+ "syn 2.0.118",
  "syn-solidity",
 ]
 
@@ -690,7 +690,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "serde_json",
- "syn 2.0.114",
+ "syn 2.0.118",
  "syn-solidity",
 ]
 
@@ -731,7 +731,7 @@ dependencies = [
  "parking_lot",
  "serde",
  "serde_json",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tokio",
  "tower 0.5.3",
  "tracing",
@@ -799,7 +799,7 @@ dependencies = [
  "darling 0.23.0",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -977,7 +977,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "62945a2f7e6de02a31fe400aa489f0e0f5b2502e69f95f853adb82a96c7a6b60"
 dependencies = [
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -1015,7 +1015,7 @@ dependencies = [
  "num-traits",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -1081,6 +1081,12 @@ dependencies = [
  "rand 0.8.5",
 ]
 
+[[package]]
+name = "arrayref"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76a2e8124351fda1ef8aaaa3bbd7ebbcb486bbcd4225aca0aa0d84bb2db8fecb"
+
 [[package]]
 name = "arrayvec"
 version = "0.7.6"
@@ -1137,7 +1143,7 @@ dependencies = [
  "serde_json",
  "serde_nanos",
  "serde_repr",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "time",
  "tokio",
  "tokio-rustls",
@@ -1168,7 +1174,7 @@ checksum = "c7c24de15d275a1ecfd47a380fb4d5ec9bfe0933f309ed5e705b775596a3574d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -1179,7 +1185,7 @@ checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -1216,7 +1222,7 @@ checksum = "ffdcb70bdbc4d478427380519163274ac86e52916e10f0a8889adf0f96d3fee7"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -1985,6 +1991,15 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "230c5f1ca6a325a32553f8640d31ac9b49f2411e901e427570154868b46da4f7"
 
+[[package]]
+name = "bincode"
+version = "1.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1f45e9417d87227c7a56d22e471c6206462cba514c7590c09aff4cf6d1ddcad"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "bit-set"
 version = "0.8.0"
@@ -2043,6 +2058,21 @@ dependencies = [
  "wyz",
 ]
 
+[[package]]
+name = "blake3"
+version = "1.8.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0aa83c34e62843d924f905e0f5c866eb1dd6545fc4d719e803d9ba6030371fce"
+dependencies = [
+ "arrayref",
+ "arrayvec",
+ "cc",
+ "cfg-if",
+ "constant_time_eq",
+ "cpufeatures 0.3.0",
+ "digest 0.11.3",
+]
+
 [[package]]
 name = "block-buffer"
 version = "0.10.4"
@@ -2052,6 +2082,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-buffer"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2f6c7dbe95a6ed67ad9f18e57daf93a2f034c524b99fd2b76d18fdfeb6660aa"
+dependencies = [
+ "hybrid-array",
+]
+
 [[package]]
 name = "blst"
 version = "0.3.16"
@@ -2084,7 +2123,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -2124,12 +2163,39 @@ version = "3.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
 
+[[package]]
+name = "bv"
+version = "0.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8834bb1d8ee5dc048ee3124f2c7c1afcc6bc9aed03f11e9dfd8c69470a5db340"
+dependencies = [
+ "feature-probe",
+ "serde",
+]
+
 [[package]]
 name = "byte-slice-cast"
 version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7575182f7272186991736b70173b0ea045398f984bf5ebbb3804736ce1330c9d"
 
+[[package]]
+name = "bytemuck"
+version = "1.25.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c8efb64bd706a16a1bdde310ae86b351e4d21550d98d056f22f8a7f7a2183fec"
+
+[[package]]
+name = "bytemuck_derive"
+version = "1.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f9abbd1bc6865053c427f7198e6af43bfdedc55ab791faed4fbd361d789575ff"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
@@ -2285,7 +2351,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -2303,6 +2369,12 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "cmov"
+version = "0.5.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0c9ea0ac24bc397ab3c98583a3c9ba74fa56b09a4449bbe172b9b1ddb016027a"
+
 [[package]]
 name = "coins-bip32"
 version = "0.12.0"
@@ -2329,7 +2401,7 @@ dependencies = [
  "coins-bip32",
  "hmac",
  "once_cell",
- "pbkdf2",
+ "pbkdf2 0.12.2",
  "rand 0.8.5",
  "sha2",
  "thiserror 1.0.69",
@@ -2500,6 +2572,12 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "constant_time_eq"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3d52eff69cd5e647efe296129160853a42795992097e8af39800e1060caeea9b"
+
 [[package]]
 name = "contracts"
 version = "0.1.0"
@@ -3628,6 +3706,24 @@ dependencies = [
  "typenum",
 ]
 
+[[package]]
+name = "crypto-common"
+version = "0.2.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ce6e4c961d6cd6c9a86db418387425e8bdeaf05b3c8bc1411e6dca4c252f1453"
+dependencies = [
+ "hybrid-array",
+]
+
+[[package]]
+name = "ctutils"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7d5515a3834141de9eafb9717ad39eea8247b5674e6066c404e8c4b365d2a29e"
+dependencies = [
+ "cmov",
+]
+
 [[package]]
 name = "curve25519-dalek"
 version = "4.1.3"
@@ -3639,8 +3735,10 @@ dependencies = [
  "curve25519-dalek-derive",
  "digest 0.10.7",
  "fiat-crypto",
+ "rand_core 0.6.4",
  "rustc_version 0.4.1",
  "subtle",
+ "zeroize",
 ]
 
 [[package]]
@@ -3651,7 +3749,7 @@ checksum = "f46882e17999c6cc590af592290432be3bce0428cb0d5f8b6715e4dc7b383eb3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -3685,7 +3783,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "strsim",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -3699,7 +3797,7 @@ dependencies = [
  "quote",
  "serde",
  "strsim",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -3710,7 +3808,7 @@ checksum = "d38308df82d1080de0afee5d069fa14b0326a88c14f15c5ccda35b4a6c414c81"
 dependencies = [
  "darling_core 0.21.3",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -3721,7 +3819,7 @@ checksum = "ac3984ec7bd6cfa798e62b4a642426a5be0e68f9401cfc2a01e3fa9ea2fcdb8d"
 dependencies = [
  "darling_core 0.23.0",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -3802,6 +3900,12 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "derivation-path"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6e5c37193a1db1d8ed868c03ec7b152175f26160a5b740e5e484143877e0adf0"
+
 [[package]]
 name = "derivative"
 version = "2.2.0"
@@ -3840,7 +3944,7 @@ dependencies = [
  "convert_case 0.6.0",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
  "unicode-xid",
 ]
 
@@ -3854,7 +3958,7 @@ dependencies = [
  "proc-macro2",
  "quote",
  "rustc_version 0.4.1",
- "syn 2.0.114",
+ "syn 2.0.118",
  "unicode-xid",
 ]
 
@@ -3873,12 +3977,23 @@ version = "0.10.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
- "block-buffer",
+ "block-buffer 0.10.4",
  "const-oid",
- "crypto-common",
+ "crypto-common 0.1.7",
  "subtle",
 ]
 
+[[package]]
+name = "digest"
+version = "0.11.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f1dd6dbb5841937940781866fa1281a1ff7bd3bf827091440879f9994983d5c2"
+dependencies = [
+ "block-buffer 0.12.1",
+ "crypto-common 0.2.2",
+ "ctutils",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -3887,7 +4002,7 @@ checksum = "97369cbbc041bc366949bc74d34658d6cda5621039731c6310521892a3a20ae0"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -4067,6 +4182,7 @@ version = "2.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "115531babc129696a58c64a4fef0a8bf9e9698629fb97e9e40767d235cfbcd53"
 dependencies = [
+ "pkcs8",
  "signature",
 ]
 
@@ -4078,9 +4194,24 @@ checksum = "70e796c081cee67dc755e1a36a0a172b897fab85fc3f6bc48307991f64e4eca9"
 dependencies = [
  "curve25519-dalek",
  "ed25519",
+ "rand_core 0.6.4",
+ "serde",
  "sha2",
  "signature",
  "subtle",
+ "zeroize",
+]
+
+[[package]]
+name = "ed25519-dalek-bip32"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6b49a684b133c4980d7ee783936af771516011c8cd15f429dbda77245e282f03"
+dependencies = [
+ "derivation-path",
+ "ed25519-dalek",
+ "hmac",
+ "sha2",
 ]
 
 [[package]]
@@ -4092,7 +4223,7 @@ dependencies = [
  "enum-ordinalize",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -4150,7 +4281,7 @@ checksum = "8ca9601fb2d62598ee17836250842873a413586e5d7ed88b356e38ddbb0ec631"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -4301,6 +4432,12 @@ dependencies = [
  "bytes",
 ]
 
+[[package]]
+name = "feature-probe"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "835a3dc7d1ec9e75e2b5fb4ba75396837112d2060b03f7d43bc1897c7f7211da"
+
 [[package]]
 name = "ff"
 version = "0.13.1"
@@ -4323,6 +4460,30 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f449e6c6c08c865631d4890cfacf252b3d396c9bcc83adb6623cdb02a8336c41"
 
+[[package]]
+name = "five8"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23f76610e969fa1784327ded240f1e28a3fd9520c9cec93b636fcf62dd37f772"
+dependencies = [
+ "five8_core",
+]
+
+[[package]]
+name = "five8_const"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1a0f1728185f277989ca573a402716ae0beaaea3f76a8ff87ef9dd8fb19436c5"
+dependencies = [
+ "five8_core",
+]
+
+[[package]]
+name = "five8_core"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "059c31d7d36c43fe39d89e55711858b4da8be7eb6dabac23c7289b1a19489406"
+
 [[package]]
 name = "fixed-hash"
 version = "0.8.0"
@@ -4335,6 +4496,12 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.5.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d674e81391d1e1ab681a28d99df07927c6d4aa5b027d7da16ba32d1d21ecd99"
+
 [[package]]
 name = "flate2"
 version = "1.1.8"
@@ -4483,7 +4650,7 @@ checksum = "162ee34ebcb7c64a8abebc059ce0fee27c2262618d7b60ed8faf72fef13c3650"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -4770,7 +4937,7 @@ dependencies = [
  "ipnet",
  "jni 0.22.4",
  "rand 0.10.1",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tinyvec",
  "tokio",
  "tracing",
@@ -4791,7 +4958,7 @@ dependencies = [
  "prefix-trie",
  "rand 0.10.1",
  "ring",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tinyvec",
  "tracing",
  "url",
@@ -4818,7 +4985,7 @@ dependencies = [
  "resolv-conf",
  "smallvec",
  "system-configuration 0.7.0",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tokio",
  "tracing",
 ]
@@ -4943,6 +5110,15 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "hybrid-array"
+version = "0.4.10"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3944cf8cf766b40e2a1a333ee5e9b563f854d5fa49d6a8ca2764e97c6eddb214"
+dependencies = [
+ "typenum",
+]
+
 [[package]]
 name = "hyper"
 version = "0.14.32"
@@ -5213,7 +5389,7 @@ checksum = "a0eb5a3343abf848c0984fe4604b2b105da9539376e24fc0a3b0007411ae4fd9"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -5373,7 +5549,7 @@ dependencies = [
  "jni-sys 0.4.1",
  "log",
  "simd_cesu8",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "walkdir",
  "windows-link",
 ]
@@ -5388,7 +5564,7 @@ dependencies = [
  "quote",
  "rustc_version 0.4.1",
  "simd_cesu8",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -5413,7 +5589,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "38c0b942f458fe50cdac086d2f946512305e5631e720728f2a61aabcd47a6264"
 dependencies = [
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -5625,7 +5801,7 @@ checksum = "1b27834086c65ec3f9387b096d66e99f221cf081c2b738042aa252bcd41204e3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -5695,6 +5871,15 @@ version = "2.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f52b00d39961fc5b2736ea853c9cc86238e165017a493d1d5c8eac6bdc4cc273"
 
+[[package]]
+name = "memoffset"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "488016bfae457b036d996092f6cb448677611ce4449e970ceaf42695203f218a"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "mimalloc"
 version = "0.1.48"
@@ -5761,7 +5946,7 @@ dependencies = [
  "cfg-if",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -5823,6 +6008,12 @@ dependencies = [
  "data-encoding-macro",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d87ecb2933e8aeadb3e3a02b828fed80a7528047e68b4f424523a0981a3a084"
+
 [[package]]
 name = "native-tls"
 version = "0.2.14"
@@ -6011,9 +6202,10 @@ version = "0.7.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ff32365de1b6743cb203b710788263c44a03de03802daf96092f2da4fe6ba4d7"
 dependencies = [
+ "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6132,7 +6324,7 @@ checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6169,7 +6361,7 @@ dependencies = [
  "futures-sink",
  "js-sys",
  "pin-project-lite",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tracing",
 ]
 
@@ -6199,7 +6391,7 @@ dependencies = [
  "opentelemetry_sdk",
  "prost 0.14.3",
  "reqwest",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tokio",
  "tonic 0.14.4",
  "tonic-types",
@@ -6231,7 +6423,7 @@ dependencies = [
  "percent-encoding",
  "portable-atomic",
  "rand 0.9.4",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -6348,7 +6540,7 @@ dependencies = [
  "proc-macro-crate",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6386,6 +6578,21 @@ version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pastey"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ee67f1008b1ba2321834326597b8e186293b049a023cdef258527550b9935b4"
+
+[[package]]
+name = "pbkdf2"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "83a0692ec44e4cf1ef28ca317f14f8f07da2d95ec3fa01f86e4467b725e60917"
+dependencies = [
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "pbkdf2"
 version = "0.12.2"
@@ -6421,6 +6628,17 @@ dependencies = [
  "ucd-trie",
 ]
 
+[[package]]
+name = "petgraph"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8701b58ea97060d5e5b155d383a69952a60943f0e6dfe30b04c287beb0b27455"
+dependencies = [
+ "fixedbitset",
+ "hashbrown 0.15.5",
+ "indexmap 2.13.0",
+]
+
 [[package]]
 name = "pharos"
 version = "0.5.3"
@@ -6448,7 +6666,7 @@ checksum = "6e918e4ff8c4549eb882f14b3a4bc8c8bc93de829416eacf579f1207a8fbf861"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6619,7 +6837,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "479ca8adacdd7ce8f1fb39ce9ecccbfe93a3f1344b3d0d97f20bc0196208f62b"
 dependencies = [
  "proc-macro2",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6718,14 +6936,14 @@ dependencies = [
  "proc-macro-error-attr2",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.105"
+version = "1.0.106"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "535d180e0ecab6268a3e718bb9fd44db66bbbc256257165fc699dadf70d16fe7"
+checksum = "8fd00f0bb2e90d81d1044c2b32617f68fcb9fa3bb7640c23e9c748e53fb30934"
 dependencies = [
  "unicode-ident",
 ]
@@ -6742,7 +6960,7 @@ dependencies = [
  "memchr",
  "parking_lot",
  "protobuf",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
 ]
 
 [[package]]
@@ -6763,7 +6981,7 @@ checksum = "710d30cd8d768420cf9d0f1727c2709df928cd509810fcb98dd386580dccf919"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6815,6 +7033,27 @@ dependencies = [
  "prost-derive 0.14.3",
 ]
 
+[[package]]
+name = "prost-build"
+version = "0.14.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "343d3bd7056eda839b03204e68deff7d1b13aba7af2b2fd16890697274262ee7"
+dependencies = [
+ "heck",
+ "itertools 0.14.0",
+ "log",
+ "multimap",
+ "petgraph",
+ "prettyplease",
+ "prost 0.14.3",
+ "prost-types 0.14.3",
+ "pulldown-cmark",
+ "pulldown-cmark-to-cmark",
+ "regex",
+ "syn 2.0.118",
+ "tempfile",
+]
+
 [[package]]
 name = "prost-derive"
 version = "0.12.6"
@@ -6825,7 +7064,7 @@ dependencies = [
  "itertools 0.12.1",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6838,7 +7077,7 @@ dependencies = [
  "itertools 0.14.0",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6851,7 +7090,7 @@ dependencies = [
  "itertools 0.14.0",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -6892,6 +7131,70 @@ dependencies = [
  "thiserror 1.0.69",
 ]
 
+[[package]]
+name = "protoc-bin-vendored"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1c381df33c98266b5f08186583660090a4ffa0889e76c7e9a5e175f645a67fa"
+dependencies = [
+ "protoc-bin-vendored-linux-aarch_64",
+ "protoc-bin-vendored-linux-ppcle_64",
+ "protoc-bin-vendored-linux-s390_64",
+ "protoc-bin-vendored-linux-x86_32",
+ "protoc-bin-vendored-linux-x86_64",
+ "protoc-bin-vendored-macos-aarch_64",
+ "protoc-bin-vendored-macos-x86_64",
+ "protoc-bin-vendored-win32",
+]
+
+[[package]]
+name = "protoc-bin-vendored-linux-aarch_64"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c350df4d49b5b9e3ca79f7e646fde2377b199e13cfa87320308397e1f37e1a4c"
+
+[[package]]
+name = "protoc-bin-vendored-linux-ppcle_64"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a55a63e6c7244f19b5c6393f025017eb5d793fd5467823a099740a7a4222440c"
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1dba5565db4288e935d5330a07c264a4ee8e4a5b4a4e6f4e83fad824cc32f3b0"
+
+[[package]]
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+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8854774b24ee28b7868cd71dccaae8e02a2365e67a4a87a6cd11ee6cdbdf9cf5"
+
+[[package]]
+name = "protoc-bin-vendored-linux-x86_64"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b38b07546580df720fa464ce124c4b03630a6fb83e05c336fea2a241df7e5d78"
+
+[[package]]
+name = "protoc-bin-vendored-macos-aarch_64"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89278a9926ce312e51f1d999fee8825d324d603213344a9a706daa009f1d8092"
+
+[[package]]
+name = "protoc-bin-vendored-macos-x86_64"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "81745feda7ccfb9471d7a4de888f0652e806d5795b61480605d4943176299756"
+
+[[package]]
+name = "protoc-bin-vendored-win32"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "95067976aca6421a523e491fce939a3e65249bac4b977adee0ee9771568e8aa3"
+
 [[package]]
 name = "psl-types"
 version = "2.0.11"
@@ -6908,6 +7211,35 @@ dependencies = [
  "psl-types",
 ]
 
+[[package]]
+name = "pulldown-cmark"
+version = "0.13.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e9f068eba8e7071c5f9511831b44f32c740d5adf574e990f946ddb53db2f314e"
+dependencies = [
+ "bitflags 2.10.0",
+ "memchr",
+ "unicase",
+]
+
+[[package]]
+name = "pulldown-cmark-to-cmark"
+version = "22.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50793def1b900256624a709439404384204a5dc3a6ec580281bfaac35e882e90"
+dependencies = [
+ "pulldown-cmark",
+]
+
+[[package]]
+name = "qstring"
+version = "0.7.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d464fae65fff2680baf48019211ce37aaec0c78e9264c84a3e484717f965104e"
+dependencies = [
+ "percent-encoding",
+]
+
 [[package]]
 name = "quick-error"
 version = "1.2.3"
@@ -6928,7 +7260,7 @@ dependencies = [
  "rustc-hash",
  "rustls",
  "socket2 0.6.1",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tokio",
  "tracing",
  "web-time",
@@ -6950,7 +7282,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "slab",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tinyvec",
  "tracing",
  "web-time",
@@ -6972,9 +7304,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.43"
+version = "1.0.46"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc74d9a594b72ae6656596548f56f667211f8a97b3d4c3d467150794690dc40a"
+checksum = "dfbc457d0c7a0759a614551b11a6409e5951f6c7537be1f1b7682b9ae9230368"
 dependencies = [
  "proc-macro2",
 ]
@@ -7149,7 +7481,7 @@ checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -7379,7 +7711,7 @@ dependencies = [
  "regex",
  "relative-path",
  "rustc_version 0.4.1",
- "syn 2.0.114",
+ "syn 2.0.118",
  "unicode-ident",
 ]
 
@@ -7754,6 +8086,15 @@ dependencies = [
  "serde_derive",
 ]
 
+[[package]]
+name = "serde-big-array"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "11fc7cc2c76d73e0f27ee52abbd64eec84d46f370c88371120433196934e4b7f"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "serde-ext"
 version = "0.1.0"
@@ -7764,6 +8105,16 @@ dependencies = [
  "serde_with",
 ]
 
+[[package]]
+name = "serde_bytes"
+version = "0.11.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5d440709e79d88e51ac01c4b72fc6cb7314017bb7da9eeff678aa94c10e3ea8"
+dependencies = [
+ "serde",
+ "serde_core",
+]
+
 [[package]]
 name = "serde_core"
 version = "1.0.228"
@@ -7781,7 +8132,7 @@ checksum = "d540f220d3187173da220f885ab66608367b6574e925011a9353e4badda91d79"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -7825,7 +8176,7 @@ checksum = "175ee3e80ae9982737ca543e96133087cbd9a485eecc3bc4de9c1a37b47ea59c"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -7877,7 +8228,7 @@ dependencies = [
  "darling 0.21.3",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -7912,6 +8263,12 @@ dependencies = [
  "digest 0.10.7",
 ]
 
+[[package]]
+name = "sha2-const-stable"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f179d4e11094a893b82fff208f74d448a7512f99f5a0acbd5c679b705f83ed9"
+
 [[package]]
 name = "sha3"
 version = "0.10.8"
@@ -8135,6 +8492,18 @@ dependencies = [
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 ]
 
+[[package]]
+name = "siphasher"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38b58827f4464d87d377d175e90bf58eb00fd8716ff0a62f80356b5e61555d0d"
+
+[[package]]
+name = "siphasher"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8ee5873ec9cce0195efcb7a4e9507a04cd49aec9c83d0389df45b1ef7ba2e649"
+
 [[package]]
 name = "slab"
 version = "0.4.11"
@@ -8171,22 +8540,974 @@ dependencies = [
 ]
 
 [[package]]
-name = "solana-indexer"
-version = "0.1.0"
+name = "solana-account"
+version = "4.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "385cad928d576683db3afef1b88d00a31a7126cc9f6f3f0c9f6b2d181437f53c"
+dependencies = [
+ "bincode",
+ "serde",
+ "serde_bytes",
+ "serde_derive",
+ "solana-account-info",
+ "solana-clock",
+ "solana-instruction-error",
+ "solana-pubkey 4.2.0",
+ "solana-sdk-ids",
+ "solana-sysvar",
+]
 
 [[package]]
-name = "solver"
-version = "0.1.0"
+name = "solana-account-info"
+version = "3.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
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- "anyhow",
- "arc-swap",
- "async-trait",
- "const-hex",
- "contracts",
- "ethrpc",
- "futures",
- "hex-literal",
+ "bincode",
+ "serde_core",
+ "solana-address 2.6.1",
+ "solana-program-error",
+ "solana-program-memory",
+]
+
+[[package]]
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+dependencies = [
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+]
+
+[[package]]
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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+ "bytemuck",
+ "bytemuck_derive",
+ "curve25519-dalek",
+ "five8",
+ "five8_const",
+ "rand 0.9.4",
+ "serde",
+ "serde_derive",
+ "sha2-const-stable",
+ "solana-atomic-u64",
+ "solana-define-syscall 5.1.0",
+ "solana-program-error",
+ "solana-sanitize",
+ "solana-sha256-hasher",
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+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0364c7577c3c82a693ce28a1febc8d1b5d1b0a175fdc2114ae6186b69effe1e"
+dependencies = [
+ "ed25519-dalek",
+ "five8",
+ "rand 0.9.4",
+ "serde",
+ "serde-big-array",
+ "serde_derive",
+ "solana-sanitize",
+ "wincode",
+]
+
+[[package]]
+name = "solana-signer"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "520bd6021163ee517f4bdc7ae03ded904f97e11320001ba0b3355f45eb14f558"
+dependencies = [
+ "solana-pubkey 4.2.0",
+ "solana-signature",
+ "solana-transaction-error",
+]
+
+[[package]]
+name = "solana-slot-hashes"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c7ce2b4b8911bf2db3de7b6266e67bfc21a6a9f8c566fb096d9782ca2ad16ee"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "solana-get-sysvar",
+ "solana-hash 4.4.0",
+ "solana-sdk-ids",
+ "solana-sysvar-id",
+]
+
+[[package]]
+name = "solana-slot-history"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40427c04d3e808493cb5e3d1a97cef84d7c15cb6f89b15c5684d0d4027105600"
+dependencies = [
+ "bv",
+ "serde",
+ "serde_derive",
+ "solana-get-sysvar",
+ "solana-sdk-ids",
+ "solana-sysvar-id",
+]
+
+[[package]]
+name = "solana-stable-layout"
+version = "3.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c9f6a291ba063a37780af29e7db14bdd3dc447584d8ba5b3fc4b88e2bbc982fa"
+dependencies = [
+ "solana-instruction",
+ "solana-pubkey 4.2.0",
+]
+
+[[package]]
+name = "solana-stake-history"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c736a6aa0e53b9d264d90b06589fc0996f49f882f3e71842ed754fc57ffc1a43"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "solana-clock",
+ "solana-get-sysvar",
+ "solana-sdk-ids",
+ "solana-sysvar-id",
+]
+
+[[package]]
+name = "solana-system-interface"
+version = "3.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "55b54965bf0b76fa8e2b35376583efddd4d916618cfe595bf48c7d7b55a9e628"
+dependencies = [
+ "num-traits",
+ "solana-address 2.6.1",
+ "solana-msg",
+ "solana-program-error",
+]
+
+[[package]]
+name = "solana-sysvar"
+version = "4.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ada7045bbfdd802af08fbc9c7e2b56ddabb20599d22e4c3840fcef5e7afb8324"
+dependencies = [
+ "base64 0.22.1",
+ "bincode",
+ "bytemuck",
+ "bytemuck_derive",
+ "lazy_static",
+ "serde",
+ "serde_derive",
+ "solana-account-info",
+ "solana-clock",
+ "solana-define-syscall 5.1.0",
+ "solana-epoch-rewards",
+ "solana-epoch-schedule",
+ "solana-fee-calculator",
+ "solana-get-sysvar",
+ "solana-hash 4.4.0",
+ "solana-instruction",
+ "solana-last-restart-slot",
+ "solana-program-entrypoint",
+ "solana-program-error",
+ "solana-program-memory",
+ "solana-pubkey 4.2.0",
+ "solana-rent",
+ "solana-sdk-ids",
+ "solana-sdk-macro",
+ "solana-slot-hashes",
+ "solana-slot-history",
+ "solana-stake-history",
+ "solana-sysvar-id",
+]
+
+[[package]]
+name = "solana-sysvar-id"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "17358d1e9a13e5b9c2264d301102126cf11a47fd394cdf3dec174fe7bc96e1de"
+dependencies = [
+ "solana-address 2.6.1",
+ "solana-sdk-ids",
+]
+
+[[package]]
+name = "solana-time-utils"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ced92c60aa76ec4780a9d93f3bd64dfa916e1b998eacc6f1c110f3f444f02c9"
+
+[[package]]
+name = "solana-transaction"
+version = "4.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2509e70bdce879db3e0f56cf97e40edd53742e8f0e6f34d64c46e7900071b53f"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "solana-address 2.6.1",
+ "solana-hash 4.4.0",
+ "solana-instruction",
+ "solana-instruction-error",
+ "solana-message",
+ "solana-sanitize",
+ "solana-sdk-ids",
+ "solana-short-vec",
+ "solana-signature",
+ "solana-signer",
+ "solana-transaction-error",
+ "wincode",
+]
+
+[[package]]
+name = "solana-transaction-error"
+version = "3.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "757a648388ab1e7350a806ffceb31ce656dc5b5fe607b9f8209aa56f63040179"
+dependencies = [
+ "serde",
+ "serde_derive",
+ "solana-instruction-error",
+ "solana-sanitize",
+]
+
+[[package]]
+name = "solver"
+version = "0.1.0"
+dependencies = [
+ "alloy",
+ "anyhow",
+ "arc-swap",
+ "async-trait",
+ "const-hex",
+ "contracts",
+ "ethrpc",
+ "futures",
+ "hex-literal",
  "itertools 0.14.0",
  "liquidity-sources",
  "maplit",
@@ -8349,7 +9670,7 @@ dependencies = [
  "serde_json",
  "sha2",
  "smallvec",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tokio",
  "tokio-stream",
  "tracing",
@@ -8366,7 +9687,7 @@ dependencies = [
  "quote",
  "sqlx-core",
  "sqlx-macros-core",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -8389,7 +9710,7 @@ dependencies = [
  "sqlx-mysql",
  "sqlx-postgres",
  "sqlx-sqlite",
- "syn 2.0.114",
+ "syn 2.0.118",
  "tokio",
  "url",
 ]
@@ -8433,7 +9754,7 @@ dependencies = [
  "smallvec",
  "sqlx-core",
  "stringprep",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tracing",
  "whoami",
 ]
@@ -8473,7 +9794,7 @@ dependencies = [
  "smallvec",
  "sqlx-core",
  "stringprep",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tracing",
  "whoami",
 ]
@@ -8498,7 +9819,7 @@ dependencies = [
  "serde",
  "serde_urlencoded",
  "sqlx-core",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "tracing",
  "url",
 ]
@@ -8550,7 +9871,7 @@ dependencies = [
  "heck",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -8572,9 +9893,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "2.0.114"
+version = "2.0.118"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4d107df263a3013ef9b1879b0df87d706ff80f65a86ea879bd9c31f9b307c2a"
+checksum = "1b9ae57f904213ebb649ce6895b8a66c66f0203b9319718f69a5612a065b1422"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -8590,7 +9911,7 @@ dependencies = [
  "paste",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -8616,7 +9937,7 @@ checksum = "728a70f3dbaf5bab7f0c4b1ac8d7ae5ea60a4b5549c8a5914361c99147a709d2"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -8713,11 +10034,11 @@ dependencies = [
 
 [[package]]
 name = "thiserror"
-version = "2.0.17"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f63587ca0f12b72a0600bcba1d40081f830876000bb46dd2337a3051618f4fc8"
+checksum = "4288b5bcbc7920c07a1149a35cf9590a2aa808e0bc1eafaade0b80947865fbc4"
 dependencies = [
- "thiserror-impl 2.0.17",
+ "thiserror-impl 2.0.18",
 ]
 
 [[package]]
@@ -8728,18 +10049,18 @@ checksum = "4fee6c4efc90059e10f81e6d42c60a18f76588c3d74cb83a0b242a2b6c7504c1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
 name = "thiserror-impl"
-version = "2.0.17"
+version = "2.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ff15c8ecd7de3849db632e14d18d2571fa09dfc5ed93479bc4485c7a517c913"
+checksum = "ebc4ee7f67670e9b64d05fa4253e753e016c6c95ff35b89b7941d6b856dec1d5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -8901,7 +10222,7 @@ checksum = "af407857209536a95c8e56f8231ef2c2e2aff839b22e07a1ffcbc617e9db9fa5"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -9100,6 +10421,18 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tonic-build"
+version = "0.14.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c68f61875ac5293cf72e6c8cf0158086428c82c37229e98c840878f1706b0322"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
 [[package]]
 name = "tonic-prost"
 version = "0.14.4"
@@ -9111,6 +10444,22 @@ dependencies = [
  "tonic 0.14.4",
 ]
 
+[[package]]
+name = "tonic-prost-build"
+version = "0.14.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "654e5643eff75d7f8c99197ce1440ed19a3474eada74c12bbac488b2cafdae27"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "prost-types 0.14.3",
+ "quote",
+ "syn 2.0.118",
+ "tempfile",
+ "tonic-build",
+]
+
 [[package]]
 name = "tonic-types"
 version = "0.14.5"
@@ -9217,7 +10566,7 @@ checksum = "7490cfa5ec963746568740651ac6781f701c9c5ea257c58e057f3ba8cf69e8da"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -9320,7 +10669,7 @@ dependencies = [
  "rustls",
  "rustls-pki-types",
  "sha1",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "utf-8",
 ]
 
@@ -9354,6 +10703,12 @@ version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eaea85b334db583fe3274d12b4cd1880032beab409c0d774be044d4480ab9a94"
 
+[[package]]
+name = "unicase"
+version = "2.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dbc4bc3a9f746d862c45cb89d705aa10f187bb96c76001afab07a0d35ce60142"
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.18"
@@ -9399,6 +10754,16 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8ecb6da28b8a351d773b68d5825ac39017e680750f980f3a1a85cd8dd28a47c1"
 
+[[package]]
+name = "uriparse"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0200d0fc04d809396c2ad43f3c95da3582a2556eba8d453c1087f4120ee352ff"
+dependencies = [
+ "fnv",
+ "lazy_static",
+]
+
 [[package]]
 name = "url"
 version = "2.5.8"
@@ -9587,7 +10952,7 @@ dependencies = [
  "bumpalo",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
  "wasm-bindgen-shared",
 ]
 
@@ -9733,6 +11098,31 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "wincode"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "66d967db7705dc29120bb6e8ce5b5a2e27734ed5976d1c904e95bd238d1c3c5a"
+dependencies = [
+ "pastey",
+ "proc-macro2",
+ "quote",
+ "thiserror 2.0.18",
+ "wincode-derive",
+]
+
+[[package]]
+name = "wincode-derive"
+version = "0.4.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "15ab90b719560d0fda79c74550ad1c948d17b118765942838055ebaf34d67071"
+dependencies = [
+ "darling 0.23.0",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.118",
+]
+
 [[package]]
 name = "windows-core"
 version = "0.62.2"
@@ -9754,7 +11144,7 @@ checksum = "053e2e040ab57b9dc951b72c264860db7eb3b0200ba345b4e4c3b14f67855ddf"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -9765,7 +11155,7 @@ checksum = "3f316c4a2570ba26bbec722032c4099d8c8bc095efccdc15688708623367e358"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -10148,7 +11538,7 @@ dependencies = [
  "heck",
  "indexmap 2.13.0",
  "prettyplease",
- "syn 2.0.114",
+ "syn 2.0.118",
  "wasm-metadata",
  "wit-bindgen-core",
  "wit-component",
@@ -10164,7 +11554,7 @@ dependencies = [
  "prettyplease",
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
  "wit-bindgen-core",
  "wit-bindgen-rust",
 ]
@@ -10225,7 +11615,7 @@ dependencies = [
  "pharos",
  "rustc_version 0.4.1",
  "send_wrapper",
- "thiserror 2.0.17",
+ "thiserror 2.0.18",
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
@@ -10246,6 +11636,22 @@ version = "0.13.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "66fee0b777b0f5ac1c69bb06d361268faafa61cd4682ae064a171c16c433e9e4"
 
+[[package]]
+name = "yellowstone-grpc-proto"
+version = "12.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c91071690a2b0a078a4712ecca7be37aa929b474a74f4f269c61582f8e2a6139"
+dependencies = [
+ "anyhow",
+ "prost 0.14.3",
+ "prost-types 0.14.3",
+ "protoc-bin-vendored",
+ "siphasher 1.0.3",
+ "solana-pubkey 4.2.0",
+ "thiserror 2.0.18",
+ "tonic-prost-build",
+]
+
 [[package]]
 name = "yoke"
 version = "0.8.1"
@@ -10265,7 +11671,7 @@ checksum = "b659052874eb698efe5b9e8cf382204678a0086ebf46982b79d6ca3182927e5d"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
  "synstructure",
 ]
 
@@ -10286,7 +11692,7 @@ checksum = "2c7962b26b0a8685668b671ee4b54d007a67d4eaf05fda79ac0ecf41e32270f1"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -10306,7 +11712,7 @@ checksum = "d71e5d6e06ab090c67b5e44993ec16b72dcbaabc526db883a360057678b48502"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
  "synstructure",
 ]
 
@@ -10327,7 +11733,7 @@ checksum = "85a5b4158499876c763cb03bc4e49185d3cccbabb15b33c627f7884f43db852e"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
@@ -10360,7 +11766,7 @@ checksum = "eadce39539ca5cb3985590102671f2567e659fca9666581ad3411d59207951f3"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn 2.0.114",
+ "syn 2.0.118",
 ]
 
 [[package]]
diff --git a/Cargo.toml b/Cargo.toml
index 1abc608af3..cbb6bc1df2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -119,6 +119,7 @@ shared = { path = "crates/shared" }
 signature-validator = { path = "crates/signature-validator" }
 simulator = { path = "crates/simulator" }
 solana-indexer = { path = "crates/solana-indexer" }
+solana-sdk = "4"
 solver = { path = "crates/solver" }
 solvers = { path = "crates/solvers" }
 solvers-dto = { path = "crates/solvers-dto" }
@@ -147,6 +148,7 @@ tracing-subscriber = { version = "0.3.22", features = ["json"] }
 url = "2.5.0"
 vergen = "8"
 winner-selection = { path = "crates/winner-selection" }
+yellowstone-grpc-proto = { version = "12.4.0", default-features = false }
 
 [workspace.lints]
 clippy.cast_possible_wrap = "deny"
diff --git a/crates/solana-indexer/Cargo.toml b/crates/solana-indexer/Cargo.toml
index 36f20d9afa..c11b2d4d7c 100644
--- a/crates/solana-indexer/Cargo.toml
+++ b/crates/solana-indexer/Cargo.toml
@@ -15,5 +15,13 @@ path = "src/lib.rs"
 name = "solana-indexer"
 path = "src/main.rs"
 
+[dependencies]
+bytes = { workspace = true }
+derive_more = { workspace = true }
+solana-sdk = { workspace = true }
+thiserror = { workspace = true }
+tracing = { workspace = true }
+yellowstone-grpc-proto = { workspace = true }
+
 [lints]
 workspace = true
diff --git a/crates/solana-indexer/src/lib.rs b/crates/solana-indexer/src/lib.rs
index 621806e9a0..dcb7fa8832 100644
--- a/crates/solana-indexer/src/lib.rs
+++ b/crates/solana-indexer/src/lib.rs
@@ -1 +1,3 @@
 //! `solana-indexer` — Solana settlement indexer.
+
+pub mod types;
diff --git a/crates/solana-indexer/src/types/channel.rs b/crates/solana-indexer/src/types/channel.rs
new file mode 100644
index 0000000000..6775492094
--- /dev/null
+++ b/crates/solana-indexer/src/types/channel.rs
@@ -0,0 +1,63 @@
+#![expect(dead_code)]
+//! Message types passed over the internal channels.
+//!
+//! The ingester pushes [`StreamUpdate`] into the channel to the decoder; the
+//! decoder pushes [`PartialEvent`] / [`PartialHalf`] to the partial-event
+//! watchdog.
+
+use crate::types::{
+    Signature,
+    slot::Slot,
+    wire::{SubscribeUpdateAccountInfo, SubscribeUpdateTransactionInfo},
+};
+
+/// From `Ingester` → `Decoder`.
+///
+/// One multiplexed wire message, tagged with the slot the message was observed
+/// at.
+#[derive(Debug, Clone)]
+pub(crate) enum StreamUpdate {
+    /// A transaction-update slot message.
+    Tx {
+        /// Slot the message was observed at.
+        slot: Slot,
+        /// Transaction signature.
+        signature: Signature,
+        /// Wire message body.
+        inner: Box<SubscribeUpdateTransactionInfo>,
+    },
+    /// An account-update slot message.
+    Account {
+        /// Slot the message was observed at.
+        slot: Slot,
+        /// Optional signature linking the write back to its originating
+        /// transaction.
+        txn_signature: Option<Signature>,
+        /// Wire message body.
+        inner: Box<SubscribeUpdateAccountInfo>,
+    },
+}
+
+/// From `Decoder` → `PartialEventWatchdog`.
+///
+/// The watchdog holds incomplete `(slot, signature)` pairs until both halves
+/// arrive; each delivery carries the half that just landed.
+#[derive(Debug, Clone, Copy)]
+pub(crate) struct PartialEvent {
+    /// Slot the partial was observed at.
+    pub slot: Slot,
+    /// Transaction signature the partial corresponds to.
+    pub signature: Signature,
+}
+
+/// One of the two halves a [`StreamUpdate`] can produce.
+///
+/// The decoder pushes one `PartialEvent` per `StreamUpdate` it processes; the
+/// watchdog uses the `(slot, signature)` key to match pairs.
+#[derive(Debug, Clone)]
+pub(crate) enum PartialHalf {
+    /// Transaction-update half.
+    Tx(Box<SubscribeUpdateTransactionInfo>),
+    /// Account-update half.
+    Account(Box<SubscribeUpdateAccountInfo>),
+}
diff --git a/crates/solana-indexer/src/types/commitment.rs b/crates/solana-indexer/src/types/commitment.rs
new file mode 100644
index 0000000000..07cf688514
--- /dev/null
+++ b/crates/solana-indexer/src/types/commitment.rs
@@ -0,0 +1,81 @@
+#![expect(dead_code)]
+//! Commitment-tracking types.
+//!
+//! This module holds the types we use to track how far a transaction has
+//! progressed through Solana's commitment pipeline, plus the row shapes the
+//! finalization worker reads and writes.
+//!
+//! The indexer captures transactions at `confirmed` commitment. A later
+//! finalization pass polls `getSignatureStatuses` (whose result is modeled by
+//! [`SignatureStatus`]) and either promotes the row to `finalized` or marks it
+//! `rolled_back`. [`UnfinalizedRow`] is the shape the finalization worker
+//! queries for when sweeping aged confirmed rows, and [`AccountInfo`] holds
+//! account snapshots used for recovery when accounts aren't obtained normally
+//! through the ingestion stream.
+
+use {
+    crate::types::{Signature, slot::Slot},
+    bytes::Bytes,
+    solana_sdk::pubkey::Pubkey,
+};
+
+/// Commitment level persisted by the indexer.
+///
+/// Solana consensus defines `processed`, `confirmed`, and `finalized`
+/// commitment levels, but we only store the two durable states plus a terminal
+/// failure state for abandoned slots. `processed` is omitted because it
+/// reflects the node's latest view and is still rollback-prone.
+#[derive(Debug, Clone, Copy)]
+pub(crate) enum Commitment {
+    /// Voted on by a supermajority but can still be rolled back. Watched by the
+    /// finalization worker.
+    Confirmed,
+    /// Rooted by the cluster and considered permanently settled.
+    Finalized,
+    /// Never landed, or its slot was abandoned by the cluster.
+    RolledBack,
+}
+
+impl Commitment {
+    /// String label used in `solana.*` `commitment` columns.
+    pub fn as_label(self) -> &'static str {
+        match self {
+            Self::Confirmed => "confirmed",
+            Self::Finalized => "finalized",
+            Self::RolledBack => "rolled_back",
+        }
+    }
+}
+
+/// Result of an RPC `getSignatureStatuses` poll.
+#[derive(Debug, Clone, Copy)]
+pub(crate) struct SignatureStatus {
+    /// Slot the transaction landed at, if known.
+    pub slot: Slot,
+    /// Confirmation status reported by the RPC.
+    pub confirmation_status: Commitment,
+}
+
+/// Snapshot of an account at a given slot (from `getAccountInfo`).
+#[derive(Debug, Clone)]
+pub(crate) struct AccountInfo {
+    /// Slot the snapshot was read at.
+    pub slot: Slot,
+    /// Account data (serialized).
+    pub data: Bytes,
+    /// Account owner program.
+    pub owner: Pubkey,
+}
+
+/// A `solana.*` row that has not yet reached `finalized` commitment — the kind
+/// picked up by the aged-row sweep, where `commitment = 'confirmed'` and the
+/// row's slot is at least one finalization window behind `LATEST_CHAIN_SLOT`.
+#[derive(Debug, Clone)]
+pub(crate) struct UnfinalizedRow {
+    /// Table the row lives in.
+    pub table: &'static str,
+    /// Transaction signature.
+    pub signature: Signature,
+    /// Slot the row was inserted at.
+    pub slot: Slot,
+}
diff --git a/crates/solana-indexer/src/types/dead_letter.rs b/crates/solana-indexer/src/types/dead_letter.rs
new file mode 100644
index 0000000000..fe1699d117
--- /dev/null
+++ b/crates/solana-indexer/src/types/dead_letter.rs
@@ -0,0 +1,47 @@
+#![expect(dead_code)]
+//! Dead-letter types: events that failed to persist and were diverted to
+//! `solana.dead_letter` for operator follow-up.
+
+use {
+    crate::types::{Signature, slot::Slot},
+    bytes::Bytes,
+};
+
+/// A decoded event whose write to `solana.*` failed and was diverted to
+/// `solana.dead_letter`.
+#[derive(Debug, Clone)]
+pub(crate) struct DeadLetterEntry {
+    /// Slot the event was observed at.
+    pub slot: Slot,
+    /// Transaction signature, if the failure was per-transaction.
+    pub signature: Option<Signature>,
+    /// Why the event landed in the dead-letter table.
+    pub reason: DeadLetterReason,
+    /// Original raw bytes for replay.
+    pub raw_bytes: Bytes,
+}
+
+/// Why a row landed in the dead-letter table.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub(crate) enum DeadLetterReason {
+    /// Decoder received both halves but couldn't parse them.
+    DecoderError,
+    /// Watchdog gave up: account-update half never arrived.
+    AccountUpdateMissing,
+    /// Watchdog gave up: transaction-update half never arrived.
+    TxUpdateMissing,
+    /// Settlement landed but no `proposed_solutions` row matched.
+    SolutionUidUnmatchable,
+}
+
+impl DeadLetterReason {
+    /// String label used in `solana.dead_letter.reason`.
+    pub fn as_label(self) -> &'static str {
+        match self {
+            Self::DecoderError => "decoder_error",
+            Self::AccountUpdateMissing => "account_update_missing",
+            Self::TxUpdateMissing => "tx_update_missing",
+            Self::SolutionUidUnmatchable => "solution_uid_unmatchable",
+        }
+    }
+}
diff --git a/crates/solana-indexer/src/types/errors.rs b/crates/solana-indexer/src/types/errors.rs
new file mode 100644
index 0000000000..27607bc304
--- /dev/null
+++ b/crates/solana-indexer/src/types/errors.rs
@@ -0,0 +1,58 @@
+#![expect(dead_code)]
+//! Error types used across the indexer's domain.
+
+use {crate::types::slot::Slot, thiserror::Error};
+
+/// Failures surfaced from the decoder.
+#[derive(Debug, Error, PartialEq, Eq)]
+pub(crate) enum DecodeError {
+    /// The discriminator byte(s) at the start of the instruction data did not
+    /// match any known instruction on either program.
+    #[error("unknown instruction discriminator")]
+    UnknownDiscriminator,
+    /// The ALT (Address Lookup Table) loaded-address list could not be resolved
+    /// against the full account list.
+    #[error("alt resolution failed")]
+    AltResolutionFailed,
+    /// The instruction was recognised but its schema did not match the on-chain
+    /// layout.
+    #[error("schema mismatch")]
+    SchemaMismatch,
+}
+
+/// Failures surfaced from the persistence boundary.
+#[derive(Debug, Error, PartialEq, Eq)]
+pub(crate) enum StoreError {
+    /// The SQL `ON CONFLICT` clause rejected the write (e.g. watermark
+    /// regression).
+    #[error("store conflict")]
+    Conflict,
+    /// The store is temporarily unavailable (e.g. connection lost, pool
+    /// exhausted). The caller is expected to retry.
+    #[error("store unavailable")]
+    Unavailable,
+}
+
+/// Failures surfaced from the stream boundary.
+#[derive(Debug, Error)]
+pub(crate) enum StreamError {
+    /// The stream has been disconnected by the server.
+    #[error("stream disconnected")]
+    Disconnected,
+    /// The internal mpsc send timed out (backpressure on the decoder).
+    #[error("stream send timeout")]
+    SendTimeout,
+    /// The resume slot is outside the provider's replay window. The caller
+    /// should reset `from_slot` to `LATEST_CHAIN_SLOT − replay_window`,
+    /// record the lost range, and retry the subscription.
+    #[error(
+        "replay window exceeded: attempted slot {attempted_slot}, earliest replayable \
+         {earliest_replayable_slot}"
+    )]
+    ReplayWindowExceeded {
+        /// The slot the subscriber attempted to resume from.
+        attempted_slot: Slot,
+        /// The earliest slot the provider can still serve.
+        earliest_replayable_slot: Slot,
+    },
+}
diff --git a/crates/solana-indexer/src/types/events.rs b/crates/solana-indexer/src/types/events.rs
new file mode 100644
index 0000000000..fd56a66d3a
--- /dev/null
+++ b/crates/solana-indexer/src/types/events.rs
@@ -0,0 +1,160 @@
+#![expect(dead_code)]
+//! Domain event taxonomy.
+//!
+//! The settlement program and SolFlow each have their own enum
+//! (`SettlementEvent`, `SolFlowEvent`); the decoder's handoff to the
+//! persistence step is the sum [`DecodedEvent`]. Per-order accounting is
+//! reconstructed from [`TradeDelta`] snapshots.
+
+use {
+    crate::types::{Signature, order::OrderUid, slot::Slot},
+    solana_sdk::pubkey::Pubkey,
+};
+
+/// Change in a single order's `amount_withdrawn` and `amount_received` between
+/// two consecutive account snapshots.
+#[derive(Debug, Clone, Copy, PartialEq, Eq)]
+pub(crate) struct TradeDelta {
+    /// Order UID this delta applies to.
+    pub order_uid: OrderUid,
+    /// Change in `amount_withdrawn` since the previous snapshot.
+    pub amount_withdrawn_delta: u64,
+    /// Change in `amount_received` since the previous snapshot.
+    pub amount_received_delta: u64,
+    /// Whether the order is fully filled after this trade.
+    ///
+    /// This is **not** a field emitted by the settlement program's event data;
+    /// it is inferred by the decoder from the order PDA's post-trade snapshot.
+    /// It is `true` when post-trade `amount_withdrawn` equals the order's full
+    /// sell amount, or `amount_received` equals the full buy amount.
+    pub order_fulfilled: bool,
+}
+
+/// Settlement-program events decoded from on-chain instructions.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub(crate) enum SettlementEvent {
+    /// A new order was created on-chain.
+    OrderCreated {
+        /// Order UID this order is identified by.
+        order_uid: OrderUid,
+        /// Owner of the order.
+        owner: Pubkey,
+        /// Address that created the order (relayer / solver).
+        created_by: Pubkey,
+    },
+    /// An order was closed.
+    OrderClosed {
+        /// Order UID this order is identified by.
+        order_uid: OrderUid,
+    },
+    /// An order was cancelled.
+    OrderCancelled {
+        /// Order UID this order is identified by.
+        order_uid: OrderUid,
+    },
+    /// A settlement was finalized on-chain.
+    SettlementFinalized {
+        /// Auction id this settlement belongs to.
+        auction_id: u64,
+        /// Solver that won the auction.
+        solver: Pubkey,
+        /// Transaction signature.
+        tx_signature: Signature,
+        /// Slot the settlement was observed at.
+        slot: Slot,
+        /// Per-order accounting deltas.
+        trades: Vec<TradeDelta>,
+    },
+    /// A new buffer PDA was created.
+    BufferCreated {
+        /// Token the buffer is denominated in.
+        token: Pubkey,
+    },
+    /// A buffer PDA was used by a transaction.
+    BufferUsed {
+        /// Token the buffer is denominated in.
+        token: Pubkey,
+        /// Transaction signature that consumed the buffer.
+        tx_signature: Signature,
+    },
+    /// A manager was updated (e.g. ownership rotation).
+    ManagerUpdated {
+        /// Previous manager.
+        from: Pubkey,
+        /// New manager.
+        to: Pubkey,
+    },
+    /// A solver was added to the allow-list.
+    SolverAdded {
+        /// Solver that was added.
+        solver: Pubkey,
+    },
+    /// A solver was removed from the allow-list.
+    SolverRemoved {
+        /// Solver that was removed.
+        solver: Pubkey,
+    },
+    /// Generic solver interaction (instruction observed but not decoded into
+    /// one of the structured events above).
+    SolverInteraction {
+        /// Transaction signature.
+        tx_signature: Signature,
+        /// Index of the instruction within the transaction.
+        ix_index: u16,
+    },
+}
+
+/// SolFlow-side events, populates the `solana.sol_flow` table.
+///
+/// Note: the paired `solana.orders` row for `OrderEnabled` is written by the
+/// settlement-program decode path, not here.
+#[derive(Debug, Clone, PartialEq, Eq)]
+#[allow(clippy::enum_variant_names)]
+pub(crate) enum SolFlowEvent {
+    /// A new order was created on SolFlow.
+    OrderCreated {
+        /// Custodial PDA that holds the wSOL for this order.
+        custodial_pda: Pubkey,
+        /// Real owner of the order.
+        real_owner: Pubkey,
+        /// Order UID.
+        order_uid: OrderUid,
+        /// From `meta.post_token_balances` on the custodial wSOL account.
+        sol_amount: u64,
+    },
+    /// A `SetUpOrder` instruction on the SolFlow program was observed.
+    ///
+    /// The SolFlow order's custodial wSOL PDA has been linked to a
+    /// settlement-program order via CPI. At this point custody of the wrapped
+    /// SOL has effectively been transferred to the settlement program, so the
+    /// SolFlow order is now eligible to be included in auctions and solved.
+    ///
+    /// The `enabler` is the signer of the `SetUpOrder` instruction — an
+    /// unprivileged relayer or participant that pays to set up the SolFlow
+    /// order, not the SolFlow program account. The settlement program records
+    /// the on-chain order's `created_by` as this enabler address.
+    OrderEnabled {
+        /// Custodial PDA.
+        custodial_pda: Pubkey,
+        /// Signer of the `SetUpOrder` instruction that enabled the order.
+        enabler: Pubkey,
+        /// Order UID.
+        order_uid: OrderUid,
+    },
+    /// An order was recovered (e.g. after a stuck-state cleanup).
+    OrderRecovered {
+        /// Custodial PDA.
+        custodial_pda: Pubkey,
+        /// Slot the recovery was observed at.
+        slot: Slot,
+    },
+}
+
+/// Sum of the two program-side event enums for the persistence step.
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub(crate) enum DecodedEvent {
+    /// A settlement-program event.
+    Settlement(SettlementEvent),
+    /// A SolFlow event.
+    SolFlow(SolFlowEvent),
+}
diff --git a/crates/solana-indexer/src/types/mod.rs b/crates/solana-indexer/src/types/mod.rs
new file mode 100644
index 0000000000..ef83c3612e
--- /dev/null
+++ b/crates/solana-indexer/src/types/mod.rs
@@ -0,0 +1,14 @@
+//! Domain types for the Solana settlement indexer.
+
+pub mod channel;
+pub mod commitment;
+pub mod dead_letter;
+pub mod errors;
+pub mod events;
+pub mod order;
+pub mod recovery;
+pub mod slot;
+pub mod tx;
+pub mod wire;
+
+pub use solana_sdk::signature::Signature;
diff --git a/crates/solana-indexer/src/types/order.rs b/crates/solana-indexer/src/types/order.rs
new file mode 100644
index 0000000000..3229099dca
--- /dev/null
+++ b/crates/solana-indexer/src/types/order.rs
@@ -0,0 +1,15 @@
+//! CoW Protocol order identifier.
+
+use derive_more::{Display, From, Into};
+
+/// A 32-byte CoW Protocol order identifier, equal to `hash(intent)`.
+///
+/// This is the value used to derive the order PDA seed (`["settlement",
+/// hash(intent), "order"]`). SolFlow custody records and trade-delta
+/// accounting carry the same bytes as `order_uid`, and the settlement
+/// program's order-lifecycle events expose the same value under the
+/// `intent_hash` field name. Per the CoW Solana spec there is exactly one
+/// such identifier per order.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Display, From, Into)]
+#[display("OrderUid({_0:?})")]
+pub(crate) struct OrderUid(pub [u8; 32]);
diff --git a/crates/solana-indexer/src/types/recovery.rs b/crates/solana-indexer/src/types/recovery.rs
new file mode 100644
index 0000000000..59ba628623
--- /dev/null
+++ b/crates/solana-indexer/src/types/recovery.rs
@@ -0,0 +1,35 @@
+#![expect(dead_code)]
+//! Recovery-flow types: PDA snapshots and the options struct for
+//! `getSignaturesForAddress` backfills.
+
+use {crate::types::order::OrderUid, solana_sdk::pubkey::Pubkey};
+
+/// Current on-chain snapshot of an order PDA, read by `getAccountInfo` for
+/// reconciliation.
+#[derive(Debug, Clone)]
+pub(crate) struct PdaSnapshot {
+    /// Order UID.
+    pub order_uid: OrderUid,
+    /// Cumulative `amount_withdrawn` for the order.
+    pub amount_withdrawn: u64,
+    /// Cumulative `amount_received` for the order.
+    pub amount_received: u64,
+    /// `true` if the order has been cancelled on-chain.
+    pub cancelled: bool,
+    /// Cancellation timestamp (Unix seconds), if cancelled.
+    pub cancellation_timestamp: Option<i64>,
+}
+
+/// Options for the `getSignaturesForAddress` RPC used by the recovery backfill.
+#[derive(Debug, Clone, Default)]
+pub(crate) struct GetSignaturesOpts {
+    /// Start slot (inclusive). `None` means "from the tip".
+    pub from_slot: Option<u64>,
+    /// End slot (inclusive). `None` means "to the tip".
+    pub to_slot: Option<u64>,
+    /// Cap on the number of signatures returned.
+    pub limit: Option<usize>,
+    /// Optional address filter (used when back-filling both programs
+    /// in a single pass).
+    pub address: Option<Pubkey>,
+}
diff --git a/crates/solana-indexer/src/types/slot.rs b/crates/solana-indexer/src/types/slot.rs
new file mode 100644
index 0000000000..1eb1cb3a46
--- /dev/null
+++ b/crates/solana-indexer/src/types/slot.rs
@@ -0,0 +1,11 @@
+//! Solana ledger slot.
+
+use derive_more::{Display, From, Into};
+
+/// A Solana ledger slot.
+///
+/// This is the type used throughout the indexer to represent a Solana ledger
+/// slot.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash, Display, From, Into)]
+#[display("Slot({})", _0)]
+pub(crate) struct Slot(pub u64);
diff --git a/crates/solana-indexer/src/types/tx.rs b/crates/solana-indexer/src/types/tx.rs
new file mode 100644
index 0000000000..ead040a907
--- /dev/null
+++ b/crates/solana-indexer/src/types/tx.rs
@@ -0,0 +1,57 @@
+#![expect(dead_code)]
+//! Per-transaction helper types used by the decoder.
+//!
+//! These are decoder-side views produced by walking a
+//! `SubscribeUpdateTransactionInfo` message. They are not present in
+//! `solana-sdk` or `solana-message` because the upstream types carry raw
+//! `program_id_index: u8` values, while these views resolve that index
+//! against the reconstructed `account_keys` list and tag each instruction
+//! with its source (`is_inner`) and position (`ix_index`).
+
+use {
+    crate::types::{
+        Signature,
+        slot::Slot,
+        wire::{SubscribeUpdateAccountInfo, TokenBalance},
+    },
+    bytes::Bytes,
+    solana_sdk::pubkey::Pubkey,
+};
+
+/// A single instruction after resolving `program_id_index` against the full
+/// account list.
+#[derive(Debug, Clone)]
+pub(crate) struct ResolvedInstruction {
+    /// Resolved program id.
+    pub program_id: Pubkey,
+    /// Raw instruction data.
+    pub data: Bytes,
+    /// Account indices into the reconstructed account list.
+    pub accounts: Vec<u8>,
+    /// Index of this instruction within the transaction (outer or
+    /// inner).
+    pub ix_index: u16,
+    /// `true` for CPIs (inner instructions).
+    pub is_inner: bool,
+}
+
+/// Per-decode-pass context: the reconstructed account list, the slot, the
+/// transaction signature, and (when both halves have arrived) the joined
+/// account-update snapshot.
+#[derive(Debug, Clone)]
+pub(crate) struct TxContext {
+    /// Slot the transaction was observed at.
+    pub slot: Slot,
+    /// Transaction signature.
+    pub signature: Signature,
+    /// Reconstructed account list (`message.account_keys` ⊕
+    /// `meta.loaded_writable_addresses` ⊕
+    /// `meta.loaded_readonly_addresses`).
+    pub account_keys: Vec<Pubkey>,
+    /// Post-execution token balances, copied from `meta.post_token_balances`.
+    /// The SolFlow `OrderCreated` branch reads the wSOL balance on the
+    /// custodial PDA here.
+    pub post_token_balances: Vec<TokenBalance>,
+    /// Account-update snapshot, if both halves have arrived.
+    pub account_snapshot: Option<SubscribeUpdateAccountInfo>,
+}
diff --git a/crates/solana-indexer/src/types/wire.rs b/crates/solana-indexer/src/types/wire.rs
new file mode 100644
index 0000000000..8db1bf55b6
--- /dev/null
+++ b/crates/solana-indexer/src/types/wire.rs
@@ -0,0 +1,15 @@
+//! Wire types
+//!
+//! Re-exports of the `yellowstone-grpc-proto` message types the indexer
+//! consumes as its wire-format surface.
+pub use yellowstone_grpc_proto::{
+    geyser::{SubscribeUpdateAccountInfo, SubscribeUpdateTransactionInfo},
+    solana::storage::confirmed_block::{
+        CompiledInstruction,
+        InnerInstructions,
+        Message,
+        TokenBalance,
+        Transaction,
+        TransactionStatusMeta,
+    },
+};