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