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decode of bech32multisig added

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tripathyr 2022-10-17 13:48:21 +05:30 committed by GitHub
parent 5095dd5225
commit cb21c7f84b
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 28 additions and 0 deletions
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28
lib_btc.js
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@ -1306,6 +1306,34 @@
return r;
}
/* decode the redeemscript of a multisignature transaction for Bech32*/
r.decodeRedeemScriptBech32 = function (script) {
var r = false;
try {
var s = coinjs.script(Crypto.util.hexToBytes(script));
if ((s.chunks.length >= 3) && s.chunks[s.chunks.length - 1] == 174) { //OP_CHECKMULTISIG
r = {};
r.signaturesRequired = s.chunks[0] - 80;
var pubkeys = [];
for (var i = 1; i < s.chunks.length - 2; i++) {
pubkeys.push(Crypto.util.bytesToHex(s.chunks[i]));
}
r.pubkeys = pubkeys;
var multi = coinjs.pubkeys2MultisigAddressBech32(pubkeys, r.signaturesRequired);
r.address = multi['address'];
r.type = 'multisig__'; // using __ for now to differentiat from the other object .type == "multisig"
var rs = Crypto.util.bytesToHex(s.buffer);
r.redeemscript = rs;
}
} catch (e) {
// console.log(e);
r = false;
}
return r;
}
/* create output script to spend */
r.spendToScript = function (address) {
var addr = coinjs.addressDecode(address);