@okxweb3/coin-bitcoin
Version:
@ok/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.
207 lines • 8.21 kB
JavaScript
;
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.p2sh = void 0;
const bcrypto = __importStar(require("../crypto"));
const networks_1 = require("../networks");
const bscript = __importStar(require("../script"));
const types_1 = require("../types");
const lazy = __importStar(require("./lazy"));
const coin_base_1 = require("@okxweb3/coin-base");
const OPS = bscript.OPS;
function stacksEqual(a, b) {
if (a.length !== b.length)
return false;
return a.every((x, i) => {
return x.equals(b[i]);
});
}
function p2sh(a, opts) {
if (!a.address && !a.hash && !a.output && !a.redeem && !a.input)
throw new TypeError('Not enough data');
opts = Object.assign({ validate: true }, opts || {});
(0, types_1.typeforce)({
network: types_1.typeforce.maybe(types_1.typeforce.Object),
address: types_1.typeforce.maybe(types_1.typeforce.String),
hash: types_1.typeforce.maybe(types_1.typeforce.BufferN(20)),
output: types_1.typeforce.maybe(types_1.typeforce.BufferN(23)),
redeem: types_1.typeforce.maybe({
network: types_1.typeforce.maybe(types_1.typeforce.Object),
output: types_1.typeforce.maybe(types_1.typeforce.Buffer),
input: types_1.typeforce.maybe(types_1.typeforce.Buffer),
witness: types_1.typeforce.maybe(types_1.typeforce.arrayOf(types_1.typeforce.Buffer)),
}),
input: types_1.typeforce.maybe(types_1.typeforce.Buffer),
witness: types_1.typeforce.maybe(types_1.typeforce.arrayOf(types_1.typeforce.Buffer)),
}, a);
let network = a.network;
if (!network) {
network = (a.redeem && a.redeem.network) || networks_1.bitcoin;
}
const o = { network };
const _address = lazy.value(() => {
const payload = coin_base_1.base.fromBase58Check(a.address);
const version = payload.readUInt8(0);
const hash = payload.slice(1);
return { version, hash };
});
const _chunks = lazy.value(() => {
return bscript.decompile(a.input);
});
const _redeem = lazy.value(() => {
const chunks = _chunks();
return {
network,
output: chunks[chunks.length - 1],
input: bscript.compile(chunks.slice(0, -1)),
witness: a.witness || [],
};
});
lazy.prop(o, 'address', () => {
if (!o.hash)
return;
const payload = Buffer.allocUnsafe(21);
payload.writeUInt8(o.network.scriptHash, 0);
o.hash.copy(payload, 1);
return coin_base_1.base.toBase58Check(payload);
});
lazy.prop(o, 'hash', () => {
if (a.output)
return a.output.slice(2, 22);
if (a.address)
return _address().hash;
if (o.redeem && o.redeem.output)
return bcrypto.hash160(o.redeem.output);
});
lazy.prop(o, 'output', () => {
if (!o.hash)
return;
return bscript.compile([OPS.OP_HASH160, o.hash, OPS.OP_EQUAL]);
});
lazy.prop(o, 'redeem', () => {
if (!a.input)
return;
return _redeem();
});
lazy.prop(o, 'input', () => {
if (!a.redeem || !a.redeem.input || !a.redeem.output)
return;
return bscript.compile([].concat(bscript.decompile(a.redeem.input), a.redeem.output));
});
lazy.prop(o, 'witness', () => {
if (o.redeem && o.redeem.witness)
return o.redeem.witness;
if (o.input)
return [];
});
lazy.prop(o, 'name', () => {
const nameParts = ['p2sh'];
if (o.redeem !== undefined && o.redeem.name !== undefined)
nameParts.push(o.redeem.name);
return nameParts.join('-');
});
if (opts.validate) {
let hash = Buffer.from([]);
if (a.address) {
if (_address().version !== network.scriptHash)
throw new TypeError('Invalid version or Network mismatch');
if (_address().hash.length !== 20)
throw new TypeError('Invalid address');
hash = _address().hash;
}
if (a.hash) {
if (hash.length > 0 && !hash.equals(a.hash))
throw new TypeError('Hash mismatch');
else
hash = a.hash;
}
if (a.output) {
if (a.output.length !== 23 ||
a.output[0] !== OPS.OP_HASH160 ||
a.output[1] !== 0x14 ||
a.output[22] !== OPS.OP_EQUAL)
throw new TypeError('Output is invalid');
const hash2 = a.output.slice(2, 22);
if (hash.length > 0 && !hash.equals(hash2))
throw new TypeError('Hash mismatch');
else
hash = hash2;
}
const checkRedeem = (redeem) => {
if (redeem.output) {
const decompile = bscript.decompile(redeem.output);
if (!decompile || decompile.length < 1)
throw new TypeError('Redeem.output too short');
const hash2 = bcrypto.hash160(redeem.output);
if (hash.length > 0 && !hash.equals(hash2))
throw new TypeError('Hash mismatch');
else
hash = hash2;
}
if (redeem.input) {
const hasInput = redeem.input.length > 0;
const hasWitness = redeem.witness && redeem.witness.length > 0;
if (!hasInput && !hasWitness)
throw new TypeError('Empty input');
if (hasInput && hasWitness)
throw new TypeError('Input and witness provided');
if (hasInput) {
const richunks = bscript.decompile(redeem.input);
if (!bscript.isPushOnly(richunks))
throw new TypeError('Non push-only scriptSig');
}
}
};
if (a.input) {
const chunks = _chunks();
if (!chunks || chunks.length < 1)
throw new TypeError('Input too short');
if (!Buffer.isBuffer(_redeem().output))
throw new TypeError('Input is invalid');
checkRedeem(_redeem());
}
if (a.redeem) {
if (a.redeem.network && a.redeem.network !== network)
throw new TypeError('Network mismatch');
if (a.input) {
const redeem = _redeem();
if (a.redeem.output && !a.redeem.output.equals(redeem.output))
throw new TypeError('Redeem.output mismatch');
if (a.redeem.input && !a.redeem.input.equals(redeem.input))
throw new TypeError('Redeem.input mismatch');
}
checkRedeem(a.redeem);
}
if (a.witness) {
if (a.redeem &&
a.redeem.witness &&
!stacksEqual(a.redeem.witness, a.witness))
throw new TypeError('Witness and redeem.witness mismatch');
}
}
return Object.assign(o, a);
}
exports.p2sh = p2sh;
//# sourceMappingURL=p2sh.js.map