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201 lines
8.8 KiB
201 lines
8.8 KiB
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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const bitcoin = require("../..");
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const _regtest_1 = require("./_regtest");
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const regtestUtils = require("./_regtest");
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const { describe, it, before } = require('mocha');
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const assert = require('assert');
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const bip65 = require('bip65');
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const alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', _regtest_1.network);
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const bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', _regtest_1.network);
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describe('bitcoinjs-lib (transactions w/ CLTV)', () => {
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// force update MTP
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// @ts-ignore
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before(async () => {
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await regtestUtils.mine(11);
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});
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const hashType = bitcoin.Transaction.SIGHASH_ALL;
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function cltvCheckSigOutput(aQ, bQ, lockTime) {
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return bitcoin.script.compile([
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bitcoin.opcodes.OP_IF,
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bitcoin.script.number.encode(lockTime),
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bitcoin.opcodes.OP_CHECKLOCKTIMEVERIFY,
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bitcoin.opcodes.OP_DROP,
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bitcoin.opcodes.OP_ELSE,
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bQ.publicKey,
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bitcoin.opcodes.OP_CHECKSIGVERIFY,
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bitcoin.opcodes.OP_ENDIF,
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aQ.publicKey,
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bitcoin.opcodes.OP_CHECKSIG,
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]);
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}
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function utcNow() {
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return Math.floor(Date.now() / 1000);
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}
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// expiry past, {Alice's signature} OP_TRUE
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it('can create (and broadcast via 3PBP) a Transaction where ' +
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'Alice can redeem the output after the expiry (in the past)',
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// @ts-ignore
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async () => {
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// 3 hours ago
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const lockTime = bip65.encode({ utc: utcNow() - 3600 * 3 });
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const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
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const { address } = bitcoin.payments.p2sh({
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redeem: { output: redeemScript, network: _regtest_1.network },
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network: _regtest_1.network,
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});
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// fund the P2SH(CLTV) address
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const unspent = await regtestUtils.faucet(address, 1e5);
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const txb = new bitcoin.TransactionBuilder(_regtest_1.network);
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txb.setLockTime(lockTime);
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// Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
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txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
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// {Alice's signature} OP_TRUE
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const tx = txb.buildIncomplete();
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const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
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const redeemScriptSig = bitcoin.payments.p2sh({
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redeem: {
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input: bitcoin.script.compile([
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bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
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bitcoin.opcodes.OP_TRUE,
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]),
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output: redeemScript,
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},
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}).input;
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tx.setInputScript(0, redeemScriptSig);
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await regtestUtils.broadcast(tx.toHex());
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await regtestUtils.verify({
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txId: tx.getId(),
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address: regtestUtils.RANDOM_ADDRESS,
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vout: 0,
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value: 7e4,
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});
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});
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// expiry will pass, {Alice's signature} OP_TRUE
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it('can create (and broadcast via 3PBP) a Transaction where ' +
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'Alice can redeem the output after the expiry (in the future)',
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// @ts-ignore
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async () => {
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const height = await regtestUtils.height();
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// 5 blocks from now
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const lockTime = bip65.encode({ blocks: height + 5 });
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const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
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const { address } = bitcoin.payments.p2sh({
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redeem: { output: redeemScript, network: _regtest_1.network },
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network: _regtest_1.network,
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});
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// fund the P2SH(CLTV) address
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const unspent = await regtestUtils.faucet(address, 1e5);
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const txb = new bitcoin.TransactionBuilder(_regtest_1.network);
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txb.setLockTime(lockTime);
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// Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
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txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
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// {Alice's signature} OP_TRUE
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const tx = txb.buildIncomplete();
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const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
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const redeemScriptSig = bitcoin.payments.p2sh({
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redeem: {
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input: bitcoin.script.compile([
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bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
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bitcoin.opcodes.OP_TRUE,
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]),
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output: redeemScript,
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},
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}).input;
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tx.setInputScript(0, redeemScriptSig);
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// TODO: test that it failures _prior_ to expiry, unfortunately, race conditions when run concurrently
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// ...
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// into the future!
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await regtestUtils.mine(5);
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await regtestUtils.broadcast(tx.toHex());
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await regtestUtils.verify({
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txId: tx.getId(),
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address: regtestUtils.RANDOM_ADDRESS,
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vout: 0,
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value: 7e4,
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});
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});
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// expiry ignored, {Bob's signature} {Alice's signature} OP_FALSE
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it('can create (and broadcast via 3PBP) a Transaction where ' +
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'Alice and Bob can redeem the output at any time',
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// @ts-ignore
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async () => {
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// two hours ago
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const lockTime = bip65.encode({ utc: utcNow() - 3600 * 2 });
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const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
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const { address } = bitcoin.payments.p2sh({
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redeem: { output: redeemScript, network: _regtest_1.network },
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network: _regtest_1.network,
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});
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// fund the P2SH(CLTV) address
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const unspent = await regtestUtils.faucet(address, 2e5);
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const txb = new bitcoin.TransactionBuilder(_regtest_1.network);
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txb.setLockTime(lockTime);
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// Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
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txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 8e4);
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// {Alice's signature} {Bob's signature} OP_FALSE
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const tx = txb.buildIncomplete();
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const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
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const redeemScriptSig = bitcoin.payments.p2sh({
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redeem: {
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input: bitcoin.script.compile([
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bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
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bitcoin.script.signature.encode(bob.sign(signatureHash), hashType),
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bitcoin.opcodes.OP_FALSE,
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]),
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output: redeemScript,
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},
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}).input;
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tx.setInputScript(0, redeemScriptSig);
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await regtestUtils.broadcast(tx.toHex());
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await regtestUtils.verify({
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txId: tx.getId(),
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address: regtestUtils.RANDOM_ADDRESS,
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vout: 0,
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value: 8e4,
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});
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});
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// expiry in the future, {Alice's signature} OP_TRUE
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it('can create (but fail to broadcast via 3PBP) a Transaction where ' +
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'Alice attempts to redeem before the expiry',
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// @ts-ignore
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async () => {
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// two hours from now
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const lockTime = bip65.encode({ utc: utcNow() + 3600 * 2 });
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const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
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const { address } = bitcoin.payments.p2sh({
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redeem: { output: redeemScript, network: _regtest_1.network },
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network: _regtest_1.network,
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});
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// fund the P2SH(CLTV) address
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const unspent = await regtestUtils.faucet(address, 2e4);
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const txb = new bitcoin.TransactionBuilder(_regtest_1.network);
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txb.setLockTime(lockTime);
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// Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
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txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
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txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4);
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// {Alice's signature} OP_TRUE
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const tx = txb.buildIncomplete();
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const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
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const redeemScriptSig = bitcoin.payments.p2sh({
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redeem: {
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input: bitcoin.script.compile([
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bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
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bitcoin.script.signature.encode(bob.sign(signatureHash), hashType),
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bitcoin.opcodes.OP_TRUE,
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]),
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output: redeemScript,
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},
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}).input;
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tx.setInputScript(0, redeemScriptSig);
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await regtestUtils.broadcast(tx.toHex()).catch(err => {
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assert.throws(() => {
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if (err)
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throw err;
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}, /Error: non-final \(code 64\)/);
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});
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});
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});
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