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Merge pull request #4583 from mempool/mononaut/goggles-inscription-bug

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Fix goggles inscription detection bug
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softsimon 2024-01-15 10:25:31 +07:00 • committed by GitHub
commit 91fad7ff65
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1 changed files with 7 additions and 2 deletions
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9
backend/src/api/common.ts
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@ -263,8 +263,13 @@ export class Common {
case 'v0_p2wsh': flags |= TransactionFlags.p2wsh; break; case 'v0_p2wsh': flags |= TransactionFlags.p2wsh; break;
case 'v1_p2tr': { case 'v1_p2tr': {
flags |= TransactionFlags.p2tr; flags |= TransactionFlags.p2tr;
if (vin.witness.length > 2) { // in taproot, if the last witness item begins with 0x50, it's an annex
const asm = vin.inner_witnessscript_asm || transactionUtils.convertScriptSigAsm(vin.witness[vin.witness.length - 2]); const hasAnnex = vin.witness?.[vin.witness.length - 1].startsWith('50');
// script spends have more than one witness item, not counting the annex (if present)
if (vin.witness.length > (hasAnnex ? 2 : 1)) {
// the script itself is the second-to-last witness item, not counting the annex
const asm = vin.inner_witnessscript_asm || transactionUtils.convertScriptSigAsm(vin.witness[vin.witness.length - (hasAnnex ? 3 : 2)]);
// inscriptions smuggle data within an 'OP_0 OP_IF ... OP_ENDIF' envelope
if (asm?.includes('OP_0 OP_IF')) { if (asm?.includes('OP_0 OP_IF')) {
flags |= TransactionFlags.inscription; flags |= TransactionFlags.inscription;
} }