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Merge pull request #1223 from antonilol/address-labels

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detect lightning htlc and unilateral close + fix multisig badge
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softsimon 2022-02-20 20:14:40 +04:00 committed by GitHub
commit 50f86ba152
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 49 additions and 34 deletions
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85
frontend/src/app/components/address-labels/address-labels.component.ts
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@ -46,53 +46,68 @@ export class AddressLabelsComponent implements OnInit {
return;
}
[
// {regexp: /^OP_DUP OP_HASH160/, label: 'HTLC'},
{regexp: /^OP_IF OP_PUSHBYTES_33 \w{33} OP_ELSE OP_PUSHBYTES_2 \w{2} OP_CSV OP_DROP/, label: 'Force Close'}
].forEach((item) => {
if (item.regexp.test(this.vin.inner_witnessscript_asm)) {
this.lightning = item.label;
// https://github.com/lightning/bolts/blob/master/03-transactions.md#commitment-transaction-outputs
if (/^OP_IF OP_PUSHBYTES_33 \w{66} OP_ELSE OP_PUSHBYTES_(1 \w{2}|2 \w{4}) OP_CSV OP_DROP OP_PUSHBYTES_33 \w{66} OP_ENDIF OP_CHECKSIG$/.test(this.vin.inner_witnessscript_asm)) {
if (this.vin.witness[this.vin.witness.length - 2] == '01') {
this.lightning = 'Revoked Force Close';
} else {
this.lightning = 'Force Close';
}
// https://github.com/lightning/bolts/blob/master/03-transactions.md#offered-htlc-outputs
} else if (/^OP_DUP OP_HASH160 OP_PUSHBYTES_20 \w{40} OP_EQUAL OP_IF OP_CHECKSIG OP_ELSE OP_PUSHBYTES_33 \w{66} OP_SWAP OP_SIZE OP_PUSHBYTES_1 20 OP_EQUAL OP_NOTIF OP_DROP OP_PUSHNUM_2 OP_SWAP OP_PUSHBYTES_33 \w{66} OP_PUSHNUM_2 OP_CHECKMULTISIG OP_ELSE OP_HASH160 OP_PUSHBYTES_20 \w{40} OP_EQUALVERIFY OP_CHECKSIG OP_ENDIF (OP_PUSHNUM_1 OP_CHECKSEQUENCEVERIFY OP_DROP |)OP_ENDIF$/.test(this.vin.inner_witnessscript_asm)) {
if (this.vin.witness[this.vin.witness.length - 2].length == 66) {
this.lightning = 'Revoked HTLC';
} else {
this.lightning = 'HTLC';
}
}
);
if (this.lightning) {
return;
}
if (this.vin.inner_witnessscript_asm.indexOf('OP_CHECKMULTISIG') > -1) {
const matches = this.getMatches(this.vin.inner_witnessscript_asm, /OP_PUSHNUM_([0-9])/g, 1);
this.multisig = true;
this.multisigM = parseInt(matches[0], 10);
this.multisigN = parseInt(matches[1], 10);
if (this.multisigM === 1 && this.multisigN === 1) {
this.multisig = false;
}
}
this.detectMultisig(this.vin.inner_witnessscript_asm);
}
if (this.vin.inner_redeemscript_asm && this.vin.inner_redeemscript_asm.indexOf('OP_CHECKMULTISIG') > -1) {
const matches = this.getMatches(this.vin.inner_redeemscript_asm, /OP_PUSHNUM_([0-9])/g, 1);
this.multisig = true;
this.multisigM = matches[0];
this.multisigN = matches[1];
this.detectMultisig(this.vin.inner_redeemscript_asm);
}
detectMultisig(script: string) {
if (!script) {
return;
}
const ops = script.split(' ');
if (ops.length < 3 || ops.pop() != 'OP_CHECKMULTISIG') {
return;
}
const opN = ops.pop();
if (!opN.startsWith('OP_PUSHNUM_')) {
return;
}
const n = parseInt(opN.match(/[0-9]+/)[0]);
if (ops.length < n * 2 + 1) {
return;
}
// pop n public keys
for (var i = 0; i < n; i++) {
if (!/^0((2|3)\w{64}|4\w{128})$/.test(ops.pop())) {
return;
}
if (!/^OP_PUSHBYTES_(33|65)$/.test(ops.pop())) {
return;
}
}
const opM = ops.pop();
if (!opM.startsWith('OP_PUSHNUM_')) {
return;
}
const m = parseInt(opM.match(/[0-9]+/)[0]);
this.multisig = true;
this.multisigM = m;
this.multisigN = n;
}
handleVout() {
}
getMatches(str: string, regex: RegExp, index: number) {
if (!index) {
index = 1;
}
const matches = [];
let match;
while (match = regex.exec(str)) {
matches.push(match[index]);
}
return matches;
}
}