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refactor simplicity tapleaf detection

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This commit is contained in:
Mononaut
2025-07-24 08:11:41 +00:00
parent 4a9eebe59e
commit 6abf90855c
4 changed files with 21 additions and 18 deletions
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2
frontend/src/app/components/taproot-address-scripts/taproot-address-scripts.component.ts
View File

@@ -320,7 +320,7 @@ export class TaprootAddressScriptsComponent implements OnChanges {
const hex = node.value.script.hex.slice(0, 300);
asmContent = `
<div style="margin-top: 10px; border-top: 1px solid #333; padding-top: 5px; word-break: break-all; white-space: normal; font-family: monospace; font-size: 12px;">
<td>Simplicity tapscript: ${hex} ${node.value.script.hex.length > 300 ? '...' : ''}</td>
<td>Simplicity script: ${hex} ${node.value.script.hex.length > 300 ? '...' : ''}</td>
</div>`;
}

2
frontend/src/app/components/transactions-list/transactions-list.component.html
View File

@@ -234,7 +234,7 @@
</tr>
<tr *ngIf="vin.inner_witnessscript_asm">
@if (isLiquid && vin.inner_simplicityscript) {
<td i18n="transactions-list.p2tr-simplicity-tapscript">P2TR Simplicity tapscript</td>
<td i18n="transactions-list.p2tr-simplicity-script">P2TR Simplicity script</td>
<td style="text-align: left;">
<div [innerHTML]="showFullScript[vindex] ? vin.inner_simplicityscript : vin.inner_simplicityscript.slice(0, 1000)"></div>
<div *ngIf="vin.inner_simplicityscript.length > 1000" style="display: flex;">

17
frontend/src/app/components/transactions-list/transactions-list.component.ts
View File

@@ -338,14 +338,15 @@ export class TransactionsListComponent implements OnInit, OnChanges, OnDestroy {
} else { // check for simplicity script spends
for (const vin of tx.vin) {
if (vin.prevout?.scriptpubkey_type === 'v1_p2tr' && vin.inner_witnessscript_asm) {
const hasAnnex = vin.witness?.[vin.witness.length - 1].startsWith('50');
// script spend
if (vin.witness.length > (hasAnnex ? 2 : 1)) {
const controlBlock = vin.witness[vin.witness.length - (hasAnnex ? 2 : 1)];
const script = vin.witness[vin.witness.length - (hasAnnex ? 3 : 2)];
// simplicity tapleaf version
if (controlBlock.startsWith('be') || controlBlock.startsWith('bf')) {
vin.inner_simplicityscript = script;
const hasAnnex = vin.witness[vin.witness.length - 1].startsWith('50');
const isScriptSpend = vin.witness.length > (hasAnnex ? 2 : 1);
if (isScriptSpend) {
const controlBlock = hasAnnex ? vin.witness[vin.witness.length - 2] : vin.witness[vin.witness.length - 1];
const scriptHex = hasAnnex ? vin.witness[vin.witness.length - 3] : vin.witness[vin.witness.length - 2];
const tapleafVersion = parseInt(controlBlock.slice(0, 2), 16) & 0xfe;
// simplicity script spend
if (tapleafVersion === 0xbe) {
vin.inner_simplicityscript = scriptHex;
}
}
}

18
frontend/src/app/shared/address-utils.ts
View File

@@ -128,6 +128,7 @@ export class AddressTypeInfo {
// flags
isMultisig?: { m: number, n: number };
tapscript?: boolean;
simplicity?: boolean;
constructor (network: string, address: string, type?: AddressType, vin?: Vin[], vout?: Vout) {
this.network = network;
@@ -157,19 +158,20 @@ export class AddressTypeInfo {
if (this.type === 'v1_p2tr') {
for (let i = 0; i < vin.length; i++) {
const v = vin[i];
if (v.inner_witnessscript_asm) {
this.tapscript = true;
const hasAnnex = v.witness[v.witness.length - 1].startsWith('50');
const hasAnnex = v.witness[v.witness.length - 1].startsWith('50');
const isScriptSpend = v.witness.length > (hasAnnex ? 2 : 1);
if (isScriptSpend) {
const controlBlock = hasAnnex ? v.witness[v.witness.length - 2] : v.witness[v.witness.length - 1];
const scriptHex = hasAnnex ? v.witness[v.witness.length - 3] : v.witness[v.witness.length - 2];
const tapleafVersion = parseInt(controlBlock.slice(0, 2), 16) & 0xfe;
if ((this.network === 'liquid' || this.network === 'liquidtestnet')
&& (controlBlock.startsWith('be') || controlBlock.startsWith('bf'))
) {
if (tapleafVersion === 0xc0 && v.inner_witnessscript_asm) {
this.tapscript = true;
this.processScript(new ScriptInfo('inner_witnessscript', scriptHex, v.inner_witnessscript_asm, v.witness, controlBlock, vinIds?.[i]));
} else if (this.network === 'liquid' || this.network === 'liquidtestnet' && tapleafVersion === 0xbe) {
this.simplicity = true;
v.inner_simplicityscript = scriptHex;
this.processScript(new ScriptInfo('inner_simplicityscript', scriptHex, null, v.witness, controlBlock, vinIds?.[i]));
} else {
this.processScript(new ScriptInfo('inner_witnessscript', scriptHex, v.inner_witnessscript_asm, v.witness, controlBlock, vinIds?.[i]));
}
}
}