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nit changes on psbt signatures pre-filling

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This commit is contained in:
natsoni 2025-07-01 17:09:57 +02:00
parent af82f7d399
commit 2fa7405d46
No known key found for this signature in database
GPG key ID: C65917583181743B
1 changed files with 15 additions and 8 deletions
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23
frontend/src/app/shared/transaction.utils.ts
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@ -1141,25 +1141,28 @@ function fromBuffer(buffer: Uint8Array, network: string, inputs?: { key: Uint8Ar
vin.inner_witnessscript_asm = convertScriptSigAsm(vin.witness[vin.witness.length - 1]);
}
// Fill partial signatures
for (const record of groups.partialSigs) {
const signature = record.value;
const scriptpubkey_type = vin.prevout?.scriptpubkey_type;
if (scriptpubkey_type === 'v0_p2wsh' && !finalizedWitness) {
vin.witness = vin.witness || [];
vin.witness.unshift(uint8ArrayToHexString(record.value));
if (scriptpubkey_type === 'multisig' && !finalizedScriptSig) {
if (signature.length > 74) {
throw new Error("Signature must be <= 74 bytes");
}
const pushOpcode = new Uint8Array([signature.length]);
vin.scriptsig = uint8ArrayToHexString(pushOpcode) + uint8ArrayToHexString(signature) + (vin.scriptsig || '');
vin.scriptsig_asm = convertScriptSigAsm(vin.scriptsig);
}
if (scriptpubkey_type === 'p2sh') {
const redeemScriptStr = vin.scriptsig_asm ? vin.scriptsig_asm.split(' ').reverse()[0] : '';
if (redeemScriptStr.startsWith('00') && redeemScriptStr.length === 68 && vin.witness?.length) {
if (!finalizedWitness) {
vin.witness.unshift(uint8ArrayToHexString(record.value));
vin.witness.unshift(uint8ArrayToHexString(signature));
}
} else {
if (!finalizedScriptSig) {
const signature = record.value;
if (signature.length > 73) {
throw new Error("Signature must be <= 73 bytes");
if (signature.length > 74) {
throw new Error("Signature must be <= 74 bytes");
}
const pushOpcode = new Uint8Array([signature.length]);
vin.scriptsig = uint8ArrayToHexString(pushOpcode) + uint8ArrayToHexString(signature) + (vin.scriptsig || '');
@ -1167,6 +1170,10 @@ function fromBuffer(buffer: Uint8Array, network: string, inputs?: { key: Uint8Ar
}
}
}
if (scriptpubkey_type === 'v0_p2wsh' && !finalizedWitness) {
vin.witness = vin.witness || [];
vin.witness.unshift(uint8ArrayToHexString(signature));
}
}
}
}