fix(wasm-utxo): display txid as string instead of reversed bytes

Change txid representation from buffer to string format in PSBT
inspection. Previously, txids were displayed as byte arrays in
reverse order.

Affects txid, ntxid, wtxid, prev_txid, and non_witness_utxo fields.

Issue: BTC-0

Co-authored-by: llm-git <llm-git@ttll.de>

Author: OttoAllmendinger

packages/wasm-utxo/cli/test/fixtures/psbt_bitcoin_fullsigned.txt

@@ -2,37 +2,37 @@ psbt: None
 ├─ tx: None
 │  ├─ version: 2i32
 │  ├─ lock_time: 0u32
-│  ├─ txid: a74380ecd12e5c6e66f608c790daa4be6870f499581b3951cd65b4dcdfae7316 (32 bytes)
-│  ├─ ntxid: a74380ecd12e5c6e66f608c790daa4be6870f499581b3951cd65b4dcdfae7316 (32 bytes)
-│  ├─ wtxid: a74380ecd12e5c6e66f608c790daa4be6870f499581b3951cd65b4dcdfae7316 (32 bytes)
+│  ├─ txid: 1673aedfdcb465cd51391b5899f47068bea4da90c708f6666e5c2ed1ec8043a7
+│  ├─ ntxid: 1673aedfdcb465cd51391b5899f47068bea4da90c708f6666e5c2ed1ec8043a7
+│  ├─ wtxid: 1673aedfdcb465cd51391b5899f47068bea4da90c708f6666e5c2ed1ec8043a7
 │  ├─ inputs: 6u64
 │  │  ├─ input_0: None
-│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  │  ├─ prev_vout: 0u32
 │  │  │  ├─ sequence: 4294967294u32
 │  │  │  └─ script_sig:  (0 bytes)
 │  │  ├─ input_1: None
-│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  │  ├─ prev_vout: 1u32
 │  │  │  ├─ sequence: 4294967294u32
 │  │  │  └─ script_sig:  (0 bytes)
 │  │  ├─ input_2: None
-│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  │  ├─ prev_vout: 2u32
 │  │  │  ├─ sequence: 4294967294u32
 │  │  │  └─ script_sig:  (0 bytes)
 │  │  ├─ input_3: None
-│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  │  ├─ prev_vout: 3u32
 │  │  │  ├─ sequence: 4294967294u32
 │  │  │  └─ script_sig:  (0 bytes)
 │  │  ├─ input_4: None
-│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  │  ├─ prev_vout: 4u32
 │  │  │  ├─ sequence: 4294967294u32
 │  │  │  └─ script_sig:  (0 bytes)
 │  │  └─ input_5: None
-│  │     ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │     ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │     ├─ prev_vout: 5u32
 │  │     ├─ sequence: 4294967294u32
 │  │     └─ script_sig:  (0 bytes)
@@ -84,7 +84,7 @@ psbt: None
 ├─ version: 0u32
 ├─ inputs: 6u64
 │  ├─ input_0: None
-│  │  ├─ non_witness_utxo: 4d1eb5dbcc8a214b5b448ce4497225c44a2963445fc5b1f5bd4526a36749677d (32 bytes)
+│  │  ├─ non_witness_utxo: 7d674967a32645bdf5b1c55f4463294ac4257249e48c445b4b218accdbb51e4d
 │  │  ├─ redeem_script: 210336ef228ffe9b8efffba052c32d334660dd1f8366cf8fe44ae5aa672b6b629095ac (35 bytes)
 │  │  │  └─ asm: OP_PUSHBYTES_33 0336ef228ffe9b8efffba052c32d334660dd1f8366cf8fe44ae5aa672b6b629095 OP_CHECKSIG
 │  │  ├─ signatures: 1u64
@@ -94,7 +94,7 @@ psbt: None
 │  │  ├─ sighash_type: 1u32
 │  │  └─ sighash_type: SIGHASH_ALL
 │  ├─ input_1: None
-│  │  ├─ non_witness_utxo: 15d5aba694f147bb8c4f12bbf60d331b183576c20bc2b779f44f35d2e3468906 (32 bytes)
+│  │  ├─ non_witness_utxo: 068946e3d2354ff479b7c20bc27635181b330df6bb124f8cbb47f194a6abd515
 │  │  ├─ redeem_script: 522102dd86907236b77a3bb7b64ce668cae4a25d48253f32e6ee0c3a34eaf89becfe142103f7b6baf47cbc61cda968fe73d78cb3bce0c88e7a9bc9abba5dac739d25b2046721033c34f9b46ff91498c3a56b8b2a8b752ecd0079337028bdd4e48045f8c6560e0253ae (105 bytes)
 │  │  │  └─ asm: OP_PUSHNUM_2 OP_PUSHBYTES_33 02dd86907236b77a3bb7b64ce668cae4a25d48253f32e6ee0c3a34eaf89becfe14 OP_PUSHBYTES_33 03f7b6baf47cbc61cda968fe73d78cb3bce0c88e7a9bc9abba5dac739d25b20467 OP_PUSHBYTES_33 033c34f9b46ff91498c3a56b8b2a8b752ecd0079337028bdd4e48045f8c6560e02 OP_PUSHNUM_3 OP_CHECKMULTISIG
 │  │  ├─ signatures: 2u64

packages/wasm-utxo/cli/test/fixtures/tx_bitcoin_fullsigned.txt

@@ -1,22 +1,22 @@
 tx: None
 ├─ version: 2i32
 ├─ lock_time: 0u32
-├─ txid: a4552cc9ccc8db06c214f1ae814e23f729c7697ff0a79e0de3aab9ec14eebfe4 (32 bytes)
-├─ ntxid: a74380ecd12e5c6e66f608c790daa4be6870f499581b3951cd65b4dcdfae7316 (32 bytes)
-├─ wtxid: a079ce928e643ded05e589af154aec4d821911a252e95a9c0eb1ae276722787a (32 bytes)
+├─ txid: e4bfee14ecb9aae30d9ea7f07f69c729f7234e81aef114c206dbc8ccc92c55a4
+├─ ntxid: 1673aedfdcb465cd51391b5899f47068bea4da90c708f6666e5c2ed1ec8043a7
+├─ wtxid: 7a78226727aeb10e9c5ae952a21119824dec4a15af89e505ed3d648e92ce79a0
 ├─ inputs: 6u64
 │  ├─ input_0: None
-│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  ├─ prev_vout: 0u32
 │  │  ├─ sequence: 4294967294u32
 │  │  └─ script_sig: 47304402203780ddb8eaddcbf7f2328996f9a827eab7fcca9e7e8e30e07a922f64f0d7af5a0220203ce27c1194638fbb2155f2e635293966e636a586362cfadbdaadcbdb7bac610123210336ef228ffe9b8efffba052c32d334660dd1f8366cf8fe44ae5aa672b6b629095ac (108 bytes)
 │  ├─ input_1: None
-│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  ├─ prev_vout: 1u32
 │  │  ├─ sequence: 4294967294u32
 │  │  └─ script_sig: 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 (252 bytes)
 │  ├─ input_2: None
-│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  ├─ prev_vout: 2u32
 │  │  ├─ sequence: 4294967294u32
 │  │  ├─ script_sig: 2200208224f2e5de25d91de7ae08f8744f98ac30a7c86e9c0fcf169279e520c2b8313a (35 bytes)
@@ -26,7 +26,7 @@ tx: None
 │  │     ├─ item_2: 304402206a7419475c4d18dfdb2fce7a0dfaefc8b1aad1af41d38431aa935d29bb7d91e0022077252e9ef649298616e7086006fa838578047c88257c31defe01a934d8edba1801 (71 bytes)
 │  │     └─ item_3: 522102d5878a4d1c23ea735d7146ef2e1094f08d118bf0e20ea09366077c6b086c49d62102804dae97fd1acbb46d2816f530f83119dccdcaf3f5dd4c4dabb8edccd04bc65c21022ddee7d0b3f7f894fca44650a72137908eb843432e6874cb873cc0f2d27a54d653ae (105 bytes)
 │  ├─ input_3: None
-│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  ├─ prev_vout: 3u32
 │  │  ├─ sequence: 4294967294u32
 │  │  ├─ script_sig:  (0 bytes)
@@ -36,7 +36,7 @@ tx: None
 │  │     ├─ item_2: 3044022066ab38e9f4ad3becba92a8a755acd761d469aaa96b689e86317bcab8f826a99302205f8a78d0cd2674fdf0fbcf709f2898f4543c0907a8670afbb743502d15aa15ca01 (71 bytes)
 │  │     └─ item_3: 522102e91c97d46914b51550679e3d2fa32f4faa3de76663d1fcc2d86ead788e852d642102ab00aad496ca72ffac27a32820636eaa4f8fe59cdc09500097a6d221bd00c20e2102794b2cbc176d694d8160b3c42d640b125aee2ce92d8c1f3055ab90b8ec4f800053ae (105 bytes)
 │  ├─ input_4: None
-│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│  │  ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │  │  ├─ prev_vout: 4u32
 │  │  ├─ sequence: 4294967294u32
 │  │  ├─ script_sig:  (0 bytes)
@@ -46,7 +46,7 @@ tx: None
 │  │     ├─ item_2: 20bce391a0851301fad14c722167c15d78d55819f21f7ad246eacfd29840ff75c3ad207ea42acbb09754f509aeca81e87c37060b74d1146ef57ada9fcb78f1078f5467ac (68 bytes)
 │  │     └─ item_3: c1c8dcc9df48aeb7699370d871dbd787da545aeb249b4f46be8f6dceb26e411899aa0761196e48e5e008fa70fa593639a09acf1cb8a1761af965c2f78ad0d8e68c (65 bytes)
 │  └─ input_5: None
-│     ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000 (32 bytes)
+│     ├─ prev_txid: 0000000000000000000000000000000000000000000000000000000000000000
 │     ├─ prev_vout: 5u32
 │     ├─ sequence: 4294967294u32
 │     ├─ script_sig:  (0 bytes)

packages/wasm-utxo/src/inspect/psbt.rs

@@ -1,7 +1,6 @@
 /// This contains low-level parsing of PSBT into a node structure suitable for display
 use crate::address::from_output_script_with_network;
 use crate::bitcoin::consensus::Decodable;
-use crate::bitcoin::hashes::Hash;
 use crate::bitcoin::psbt::Psbt;
 use crate::bitcoin::{ScriptBuf, Transaction};
 use crate::fixed_script_wallet::bitgo_psbt::{
@@ -250,7 +249,7 @@ fn tx_input_to_node(input: &crate::bitcoin::TxIn, index: usize) -> Node {
 
     input_node.add_child(Node::new(
         "prev_txid",
-        Primitive::Buffer(input.previous_output.txid.to_byte_array().to_vec()),
+        Primitive::String(input.previous_output.txid.to_string()),
     ));
     input_node.add_child(Node::new(
         "prev_vout",
@@ -325,7 +324,7 @@ fn psbt_input_to_node(input: &crate::bitcoin::psbt::Input, index: usize, network
     if let Some(utxo) = &input.non_witness_utxo {
         input_node.add_child(Node::new(
             "non_witness_utxo",
-            Primitive::Buffer(utxo.compute_txid().to_byte_array().to_vec()),
+            Primitive::String(utxo.compute_txid().to_string()),
         ));
     }
 
@@ -483,15 +482,15 @@ pub fn tx_to_node(tx: &Transaction, network: Network) -> Node {
     ));
     tx_node.add_child(Node::new(
         "txid",
-        Primitive::Buffer(tx.compute_txid().to_byte_array().to_vec()),
+        Primitive::String(tx.compute_txid().to_string()),
     ));
     tx_node.add_child(Node::new(
         "ntxid",
-        Primitive::Buffer(tx.compute_ntxid().to_byte_array().to_vec()),
+        Primitive::String(tx.compute_ntxid().to_string()),
     ));
     tx_node.add_child(Node::new(
         "wtxid",
-        Primitive::Buffer(tx.compute_wtxid().to_byte_array().to_vec()),
+        Primitive::String(tx.compute_wtxid().to_string()),
     ));
     tx_node.add_child(tx_inputs_to_node(&tx.input));
     tx_node.add_child(tx_outputs_to_node(&tx.output, network));
@@ -529,15 +528,15 @@ pub fn zcash_tx_to_node(parts: &ZcashTransactionParts, network: Network) -> Node
     ));
     tx_node.add_child(Node::new(
         "txid",
-        Primitive::Buffer(tx.compute_txid().to_byte_array().to_vec()),
+        Primitive::String(tx.compute_txid().to_string()),
     ));
     tx_node.add_child(Node::new(
         "ntxid",
-        Primitive::Buffer(tx.compute_ntxid().to_byte_array().to_vec()),
+        Primitive::String(tx.compute_ntxid().to_string()),
     ));
     tx_node.add_child(Node::new(
         "wtxid",
-        Primitive::Buffer(tx.compute_wtxid().to_byte_array().to_vec()),
+        Primitive::String(tx.compute_wtxid().to_string()),
     ));
     tx_node.add_child(tx_inputs_to_node(&tx.input));
     tx_node.add_child(tx_outputs_to_node(&tx.output, network));