@okxweb3/coin-bitcoin
Version:
@okxweb3/coin-bitcoin is a Bitcoin SDK for building Web3 wallets and applications. It supports BTC, BSV, DOGE, LTC, and TBTC, enabling private key management, transaction signing, address generation, and inscriptions like BRC-20, Runes, CAT, and Atomicals
30 lines • 1.14 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.canAdd = exports.check = exports.expected = exports.encode = exports.decode = void 0;
const typeFields_1 = require("../../typeFields");
function decode(keyVal) {
if (keyVal.key[0] !== typeFields_1.InputTypes.TAP_KEY_SIG || keyVal.key.length !== 1) {
throw new Error('Decode Error: could not decode tapKeySig with key 0x' +
keyVal.key.toString('hex'));
}
if (!check(keyVal.value)) {
throw new Error('Decode Error: tapKeySig not a valid 64-65-byte BIP340 signature');
}
return keyVal.value;
}
exports.decode = decode;
function encode(value) {
const key = Buffer.from([typeFields_1.InputTypes.TAP_KEY_SIG]);
return { key, value };
}
exports.encode = encode;
exports.expected = 'Buffer';
function check(data) {
return Buffer.isBuffer(data) && (data.length === 64 || data.length === 65);
}
exports.check = check;
function canAdd(currentData, newData) {
return !!currentData && !!newData && currentData.tapKeySig === undefined;
}
exports.canAdd = canAdd;
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