140 lines
4.6 KiB
JavaScript
140 lines
4.6 KiB
JavaScript
/* global describe, it */
|
|
|
|
var assert = require('assert')
|
|
var bitcoin = require('../../')
|
|
var blockchain = require('./_blockchain')
|
|
|
|
var network = bitcoin.networks.testnet
|
|
var alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', network)
|
|
var bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', network)
|
|
|
|
describe('bitcoinjs-lib (CLTV)', function () {
|
|
var hashType = bitcoin.Transaction.SIGHASH_ALL
|
|
|
|
function cltvCheckSigInput (aQ, bQ, utcSeconds) {
|
|
return bitcoin.script.compile([
|
|
bitcoin.opcodes.OP_IF,
|
|
bitcoin.script.number.encode(utcSeconds),
|
|
bitcoin.opcodes.OP_CHECKLOCKTIMEVERIFY,
|
|
bitcoin.opcodes.OP_DROP,
|
|
|
|
bitcoin.opcodes.OP_ELSE,
|
|
bQ.getPublicKeyBuffer(),
|
|
bitcoin.opcodes.OP_CHECKSIGVERIFY,
|
|
bitcoin.opcodes.OP_ENDIF,
|
|
|
|
aQ.getPublicKeyBuffer(),
|
|
bitcoin.opcodes.OP_CHECKSIG
|
|
])
|
|
}
|
|
|
|
function utcNow () {
|
|
return Math.floor(Date.now() / 1000)
|
|
}
|
|
|
|
// expiry past, {Alice's signature} OP_TRUE
|
|
it('where Alice can redeem after the expiry is past', function (done) {
|
|
this.timeout(30000)
|
|
|
|
// three hours ago
|
|
var timeUtc = utcNow() - (3600 * 3)
|
|
var redeemScript = cltvCheckSigInput(alice, bob, timeUtc)
|
|
var scriptPubKey = bitcoin.script.scriptHashOutput(bitcoin.crypto.hash160(redeemScript))
|
|
var address = bitcoin.address.fromOutputScript(scriptPubKey, network)
|
|
|
|
// fund the P2SH(CLTV) address
|
|
blockchain.t.faucet(address, 2e4, function (err, unspent) {
|
|
if (err) return done(err)
|
|
|
|
var tx = new bitcoin.TransactionBuilder(network)
|
|
tx.setLockTime(timeUtc)
|
|
tx.addInput(unspent.txId, 0, 0xfffffffe)
|
|
tx.addOutput(alice.getAddress(), 1000)
|
|
|
|
var txRaw = tx.buildIncomplete()
|
|
var signatureHash = txRaw.hashForSignature(0, redeemScript, hashType)
|
|
|
|
// {Alice's signature} OP_TRUE
|
|
var redeemScriptSig = bitcoin.script.scriptHashInput([
|
|
alice.sign(signatureHash).toScriptSignature(hashType),
|
|
bitcoin.opcodes.OP_TRUE
|
|
], redeemScript)
|
|
|
|
txRaw.setInputScript(0, redeemScriptSig)
|
|
|
|
blockchain.t.transactions.propagate(txRaw.toHex(), done)
|
|
})
|
|
})
|
|
|
|
// expiry ignored, {Bob's signature} {Alice's signature} OP_FALSE
|
|
it('where Alice and Bob can redeem at any time', function (done) {
|
|
this.timeout(30000)
|
|
|
|
// two hours ago
|
|
var timeUtc = utcNow() - (3600 * 2)
|
|
var redeemScript = cltvCheckSigInput(alice, bob, timeUtc)
|
|
var scriptPubKey = bitcoin.script.scriptHashOutput(bitcoin.crypto.hash160(redeemScript))
|
|
var address = bitcoin.address.fromOutputScript(scriptPubKey, network)
|
|
|
|
// fund the P2SH(CLTV) address
|
|
blockchain.t.faucet(address, 2e4, function (err, unspent) {
|
|
if (err) return done(err)
|
|
|
|
var tx = new bitcoin.TransactionBuilder(network)
|
|
tx.addInput(unspent.txId, 0, 0xfffffffe)
|
|
tx.addOutput(alice.getAddress(), 1000)
|
|
|
|
var txRaw = tx.buildIncomplete()
|
|
var signatureHash = txRaw.hashForSignature(0, redeemScript, hashType)
|
|
var redeemScriptSig = bitcoin.script.scriptHashInput([
|
|
alice.sign(signatureHash).toScriptSignature(hashType),
|
|
bob.sign(signatureHash).toScriptSignature(hashType),
|
|
bitcoin.opcodes.OP_FALSE
|
|
], redeemScript)
|
|
|
|
txRaw.setInputScript(0, redeemScriptSig)
|
|
|
|
blockchain.t.transactions.propagate(txRaw.toHex(), done)
|
|
})
|
|
})
|
|
|
|
// expiry in the future, {Alice's signature} OP_TRUE
|
|
it('fails when still time-locked', function (done) {
|
|
this.timeout(30000)
|
|
|
|
// two hours from now
|
|
var timeUtc = utcNow() + (3600 * 2)
|
|
var redeemScript = cltvCheckSigInput(alice, bob, timeUtc)
|
|
var scriptPubKey = bitcoin.script.scriptHashOutput(bitcoin.crypto.hash160(redeemScript))
|
|
var address = bitcoin.address.fromOutputScript(scriptPubKey, network)
|
|
|
|
// fund the P2SH(CLTV) address
|
|
blockchain.t.faucet(address, 2e4, function (err, unspent) {
|
|
if (err) return done(err)
|
|
|
|
var tx = new bitcoin.TransactionBuilder(network)
|
|
tx.setLockTime(timeUtc)
|
|
tx.addInput(unspent.txId, 0, 0xfffffffe)
|
|
tx.addOutput(alice.getAddress(), 1000)
|
|
|
|
var txRaw = tx.buildIncomplete()
|
|
var signatureHash = txRaw.hashForSignature(0, redeemScript, hashType)
|
|
|
|
// {Alice's signature} OP_TRUE
|
|
var redeemScriptSig = bitcoin.script.scriptHashInput([
|
|
alice.sign(signatureHash).toScriptSignature(hashType),
|
|
bitcoin.opcodes.OP_TRUE
|
|
], redeemScript)
|
|
|
|
txRaw.setInputScript(0, redeemScriptSig)
|
|
|
|
blockchain.t.transactions.propagate(txRaw.toHex(), function (err) {
|
|
assert.throws(function () {
|
|
if (err) throw err
|
|
}, /Error: 64: non-final/)
|
|
|
|
done()
|
|
})
|
|
})
|
|
})
|
|
})
|