@bitgo/utxo-lib/dist/src/templates/witnessscripthash/input.js

Client-side Bitcoin JavaScript library

"use strict";
// <scriptSig> {serialized scriptPubKey script}
Object.defineProperty(exports, "__esModule", { value: true });
exports.check = check;
const __1 = require("../../");
const typeforce = require('typeforce');
const p2ms = require("../multisig");
const p2pk = require("../pubkey");
const p2pkh = require("../pubkeyhash");
function check(chunks, allowIncomplete) {
    typeforce(typeforce.Array, chunks);
    if (chunks.length < 1)
        return false;
    const witnessScript = chunks[chunks.length - 1];
    if (!Buffer.isBuffer(witnessScript))
        return false;
    const witnessScriptChunks = __1.script.decompile(witnessScript);
    // is witnessScript a valid script?
    if (!witnessScriptChunks || witnessScriptChunks.length === 0)
        return false;
    const witnessRawScriptSig = __1.script.compile(chunks.slice(0, -1));
    // match types
    if (p2pkh.input.check(witnessRawScriptSig) && p2pkh.output.check(witnessScriptChunks))
        return true;
    if (p2ms.input.check(witnessRawScriptSig, allowIncomplete) && p2ms.output.check(witnessScriptChunks))
        return true;
    if (p2pk.input.check(witnessRawScriptSig) && p2pk.output.check(witnessScriptChunks))
        return true;
    return false;
}
check.toJSON = () => {
    return 'witnessScriptHash input';
};
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