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Adding Taproot transaction tag

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fixes #914
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softsimon 2021-11-10 15:05:45 +04:00
parent b81d296635
commit 88e48df8a9
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GPG Key ID: 488D7DCFB5A430D7
3 changed files with 5 additions and 0 deletions
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2
frontend/src/app/bitcoin.utils.ts
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@ -16,6 +16,7 @@ export function calcSegwitFeeGains(tx: Transaction) {
const isP2sh = vin.prevout.scriptpubkey_type === 'p2sh';
const isP2wsh = vin.prevout.scriptpubkey_type === 'v0_p2wsh';
const isP2wpkh = vin.prevout.scriptpubkey_type === 'v0_p2wpkh';
const isP2tr = vin.prevout.scriptpubkey_type === 'v1_p2tr';
const op = vin.scriptsig ? vin.scriptsig_asm.split(' ')[0] : null;
const isP2sh2Wpkh = isP2sh && !!vin.witness && op === 'OP_PUSHBYTES_22';
@ -25,6 +26,7 @@ export function calcSegwitFeeGains(tx: Transaction) {
// Native Segwit - P2WPKH/P2WSH (Bech32)
case isP2wpkh:
case isP2wsh:
case isP2tr:
// maximal gains: the scriptSig is moved entirely to the witness part
realizedGains += witnessSize(vin) * 3;
// XXX P2WSH output creation is more expensive, should we take this into consideration?

1
frontend/src/app/components/tx-features/tx-features.component.html
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@ -5,5 +5,6 @@
<span *ngIf="segwitGains.potentialP2shGains" class="badge badge-danger mr-1" i18n-ngbTooltip="ngbTooltip about missed out gains" ngbTooltip="This transaction could save {{ segwitGains.potentialBech32Gains * 100 | number : '1.0-0' }}% on fees by upgrading to native SegWit-Bech32 or {{ segwitGains.potentialP2shGains * 100 | number: '1.0-0' }}% by upgrading to SegWit-P2SH" placement="bottom"><del i18n="tx-features.tag.segwit|SegWit">SegWit</del></span>
</ng-template>
</ng-template>
<span *ngIf="isTaproot" class="badge badge-success mr-1" i18n-ngbTooltip="Taproot tooltip" ngbTooltip="This transaction uses Taproot" placement="bottom" i18n="tx-features.tag.taproot">Taproot</span>
<span *ngIf="isRbfTransaction; else rbfDisabled" class="badge badge-success" i18n-ngbTooltip="RBF tooltip" ngbTooltip="This transaction support Replace-By-Fee (RBF) allowing fee bumping" placement="bottom" i18n="tx-features.tag.rbf|RBF">RBF</span>
<ng-template #rbfDisabled><span class="badge badge-danger mr-1" i18n-ngbTooltip="RBF disabled tooltip" ngbTooltip="This transaction does NOT support Replace-By-Fee (RBF) and cannot be fee bumped using this method" placement="bottom"><del i18n="tx-features.tag.rbf|RBF">RBF</del></span></ng-template>

2
frontend/src/app/components/tx-features/tx-features.component.ts
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@ -17,6 +17,7 @@ export class TxFeaturesComponent implements OnChanges {
potentialP2shGains: 0,
};
isRbfTransaction: boolean;
isTaproot: boolean;
constructor() { }
@ -26,5 +27,6 @@ export class TxFeaturesComponent implements OnChanges {
}
this.segwitGains = calcSegwitFeeGains(this.tx);
this.isRbfTransaction = this.tx.vin.some((v) => v.sequence < 0xfffffffe);
this.isTaproot = this.tx.vin.some((v) => v.prevout && v.prevout.scriptpubkey_type === 'v1_p2tr');
}
}