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Merge pull request #517 from bitcoinjs/locktimetests

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tests/integration: amend lockTime examples
This commit is contained in:
Daniel Cousens 2016-01-05 17:49:52 +11:00
commit d47ed2c3ba
1 changed files with 87 additions and 58 deletions
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145
test/integration/advanced.js
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@ -1,4 +1,4 @@
/* global describe, it */
/* global describe, it, beforeEach */
var assert = require('assert')
var bitcoin = require('../../')
@ -40,80 +40,109 @@ describe('bitcoinjs-lib (advanced)', function () {
tx.addInput(unspent.txId, unspent.vout)
tx.addOutput(dataScript, 1000)
tx.sign(0, keyPair)
var txRaw = tx.build()
var txBuilt = tx.build()
blockchain.t.transactions.propagate(txBuilt.toHex(), function (err) {
if (err) return done(err)
// check that the transaction was propagated
blockchain.t.transactions.get(txBuilt.getId(), function (err, transaction) {
if (err) return done(err)
var actual = bitcoin.Transaction.fromHex(transaction.txHex)
var actualScript = actual.outs[0].script
assert.deepEqual(actualScript, dataScript)
done()
})
})
blockchain.t.transactions.propagate(txRaw.toHex(), done)
})
})
it('can create a transaction using OP_CHECKLOCKTIMEVERIFY', function (done) {
this.timeout(30000)
describe('can create transactions using OP_CHECKLOCKTIMEVERIFY', function (done) {
var network = bitcoin.networks.testnet
var keyPair = bitcoin.ECPair.makeRandom({ network: network })
var address = keyPair.getAddress()
var alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', network)
var bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', network)
blockchain.t.faucet(address, 2e4, function (err, unspents) {
if (err) return done(err)
// now - 3 hours
var threeHoursAgo = Math.floor(Date.now() / 1000) - (3600 * 3)
var redeemScript = bitcoin.script.compile([
bitcoin.opcodes.OP_IF,
// use the oldest unspent
var unspent = unspents.pop()
var tx = new bitcoin.TransactionBuilder(network)
bitcoin.script.number.encode(threeHoursAgo),
bitcoin.opcodes.OP_CHECKLOCKTIMEVERIFY,
bitcoin.opcodes.OP_DROP,
// now + 2 hours
var hodlDate = Math.floor((Date.now() + new Date(0).setSeconds(7200)) / 1000)
var hodlLockTimeBuffer = new Buffer(4)
hodlLockTimeBuffer.writeInt32LE(hodlDate | 0, 0)
bitcoin.opcodes.OP_ELSE,
// {signature} {signature} or
// OP_0 {signature} after 1 month
var hodlScript = bitcoin.script.compile([
bitcoin.opcodes.OP_IF,
hodlLockTimeBuffer,
bitcoin.opcodes.OP_CHECKLOCKTIMEVERIFY,
bitcoin.opcodes.OP_DROP,
bitcoin.opcodes.OP_ELSE,
keyPair.getPublicKeyBuffer(),
bitcoin.opcodes.OP_CHECKSIGVERIFY,
bitcoin.opcodes.OP_ENDIF,
keyPair.getPublicKeyBuffer(),
bitcoin.opcodes.OP_CHECKSIG
])
bob.getPublicKeyBuffer(),
bitcoin.opcodes.OP_CHECKSIGVERIFY,
tx.addInput(unspent.txId, unspent.vout)
tx.addOutput(hodlScript, 1000)
tx.sign(0, keyPair)
bitcoin.opcodes.OP_ENDIF,
var txBuilt = tx.build()
alice.getPublicKeyBuffer(),
bitcoin.opcodes.OP_CHECKSIG
])
var scriptPubKey = bitcoin.script.scriptHashOutput(bitcoin.crypto.hash160(redeemScript))
blockchain.t.transactions.propagate(txBuilt.toHex(), function (err) {
var txId
beforeEach(function (done) {
this.timeout(10000)
blockchain.t.faucet(alice.getAddress(), 2e4, function (err, unspents) {
if (err) return done(err)
// check that the transaction was propagated
blockchain.t.transactions.get(txBuilt.getId(), function (err, transaction) {
if (err) return done(err)
// use the oldest unspent
var unspent = unspents.pop()
var actual = bitcoin.Transaction.fromHex(transaction.txHex)
var actualScript = actual.outs[0].script
assert.deepEqual(actualScript, hodlScript)
// build the transaction
var tx = new bitcoin.TransactionBuilder(network)
tx.addInput(unspent.txId, unspent.vout)
tx.addOutput(scriptPubKey, 1e4)
tx.sign(0, alice)
var txRaw = tx.build()
done()
})
txId = txRaw.getId()
blockchain.t.transactions.propagate(txRaw.toHex(), done)
})
})
// expiry past, {Alice's signature} OP_TRUE
it('where Alice can redeem after the expiry is past', function (done) {
this.timeout(30000)
var tx2 = new bitcoin.TransactionBuilder(network)
// tx2.setLockTime(threeHoursAgo) // TODO
tx2.addInput(txId, 0, 0xfffffffe)
tx2.addOutput(alice.getAddress(), 1000)
var tx2Raw = tx2.buildIncomplete()
tx2Raw.locktime = threeHoursAgo // TODO
var hashType = bitcoin.Transaction.SIGHASH_ALL
var signatureHash = tx2Raw.hashForSignature(0, redeemScript, hashType)
var signature = alice.sign(signatureHash)
var redeemScriptSig = bitcoin.script.scriptHashInput([
signature.toScriptSignature(hashType), bitcoin.opcodes.OP_TRUE
], redeemScript)
tx2Raw.setInputScript(0, redeemScriptSig)
blockchain.t.transactions.propagate(tx2Raw.toHex(), done)
})
// {Bob's signature} {Alice's signature} OP_FALSE
it('where Alice and Bob can redeem at any time', function (done) {
this.timeout(30000)
var tx2 = new bitcoin.TransactionBuilder(network)
// tx2.setLockTime(threeHoursAgo) // TODO
tx2.addInput(txId, 0, 0xfffffffe)
tx2.addOutput(alice.getAddress(), 1000)
var tx2Raw = tx2.buildIncomplete()
tx2Raw.locktime = threeHoursAgo // TODO
var hashType = bitcoin.Transaction.SIGHASH_ALL
var signatureHash = tx2Raw.hashForSignature(0, redeemScript, hashType)
var signatureA = alice.sign(signatureHash)
var signatureB = bob.sign(signatureHash)
var redeemScriptSig = bitcoin.script.scriptHashInput([
signatureA.toScriptSignature(hashType), signatureB.toScriptSignature(hashType), bitcoin.opcodes.OP_FALSE
], redeemScript)
tx2Raw.setInputScript(0, redeemScriptSig)
blockchain.t.transactions.propagate(tx2Raw.toHex(), done)
})
})
})