@bitgo/utxo-lib
Version:
Client-side Bitcoin JavaScript library
22 lines • 3.3 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.isP2wsh = isP2wsh;
exports.isP2wpkh = isP2wpkh;
exports.isTaproot = isTaproot;
exports.isSegwit = isSegwit;
const opcodes = require("bitcoin-ops");
function isP2wsh(scriptPubkey, redeemScript) {
const witnessProgramCandidate = redeemScript ?? scriptPubkey;
return witnessProgramCandidate[0] === opcodes.OP_0 && witnessProgramCandidate.length === 34;
}
function isP2wpkh(scriptPubkey, redeemScript) {
const witnessProgramCandidate = redeemScript ?? scriptPubkey;
return witnessProgramCandidate[0] === opcodes.OP_0 && witnessProgramCandidate.length === 22;
}
function isTaproot(scriptPubkey) {
return scriptPubkey[0] === opcodes.OP_1 && scriptPubkey.length === 34;
}
function isSegwit(scriptPubkey, redeemScript) {
return isTaproot(scriptPubkey) || isP2wsh(scriptPubkey, redeemScript) || isP2wpkh(scriptPubkey, redeemScript);
}
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