bitcoinjs-lib/test/transaction.js

278 lines
9.8 KiB
JavaScript
Raw Normal View History

var assert = require('assert')
var networks = require('../src/networks')
2014-05-13 08:35:07 +02:00
var Address = require('../src/address')
var ECKey = require('../src/eckey')
var Transaction = require('../src/transaction').Transaction
var Script = require('../src/script')
2014-03-23 14:34:52 +01:00
2014-03-22 16:48:21 +01:00
var fixtureTxes = require('./fixtures/mainnet_tx')
var fixtureTx1Hex = fixtureTxes.prevTx
var fixtureTx2Hex = fixtureTxes.tx
var fixtureTxBigHex = fixtureTxes.bigTx
2014-04-22 21:34:39 +02:00
function b2h(b) { return new Buffer(b).toString('hex') }
function h2b(h) { return new Buffer(h, 'hex') }
describe('Transaction', function() {
describe('deserialize', function() {
var tx, serializedTx
beforeEach(function() {
serializedTx = [
'0100000001344630cbff61fbc362f7e1ff2f11a344c29326e4ee96e78',
'7dc0d4e5cc02fd069000000004a493046022100ef89701f460e8660c8',
'0808a162bbf2d676f40a331a243592c36d6bd1f81d6bdf022100d29c0',
'72f1b18e59caba6e1f0b8cadeb373fd33a25feded746832ec179880c2',
'3901ffffffff0100f2052a010000001976a914dd40dedd8f7e3746662',
'4c4dacc6362d8e7be23dd88ac00000000'
].join('')
tx = Transaction.fromHex(serializedTx)
})
it('returns the original after serialized again', function() {
var actual = tx.toBuffer()
2014-04-22 21:34:39 +02:00
var expected = serializedTx
assert.equal(b2h(actual), expected)
})
it('does not mutate the input buffer', function() {
var buffer = new Buffer(serializedTx, 'hex')
Transaction.fromBuffer(buffer)
assert.equal(buffer.toString('hex'), serializedTx)
})
it('decodes version correctly', function(){
assert.equal(tx.version, 1)
})
it('decodes locktime correctly', function(){
assert.equal(tx.locktime, 0)
})
it('decodes inputs correctly', function(){
assert.equal(tx.ins.length, 1)
var input = tx.ins[0]
assert.equal(input.sequence, 4294967295)
assert.equal(input.outpoint.index, 0)
assert.equal(input.outpoint.hash, "69d02fc05c4e0ddc87e796eee42693c244a3112fffe1f762c3fb61ffcb304634")
2014-04-22 21:34:39 +02:00
assert.equal(b2h(input.script.buffer),
"493046022100ef89701f460e8660c80808a162bbf2d676f40a331a243592c36d6bd1f81d6bdf022100d29c072f1b18e59caba6e1f0b8cadeb373fd33a25feded746832ec179880c23901")
})
it('decodes outputs correctly', function(){
assert.equal(tx.outs.length, 1)
var output = tx.outs[0]
assert.equal(output.value, 5000000000)
assert.deepEqual(output.script, Address.fromBase58Check('n1gqLjZbRH1biT5o4qiVMiNig8wcCPQeB9').toScriptPubKey())
})
it('assigns hash to deserialized object', function(){
var hashHex = "a9d4599e15b53f3eb531608ddb31f48c695c3d0b3538a6bda871e8b34f2f430c"
assert.equal(tx.hash, hashHex)
})
it('decodes large inputs correctly', function() {
// transaction has only 1 input
var tx = new Transaction()
tx.addInput("0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57", 0)
tx.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3", 100)
var buffer = tx.toBuffer()
2014-05-01 22:25:57 +02:00
// we're going to replace the 8bit VarInt for tx.ins.length with a stretched 32bit equivalent
var mutated = Buffer.concat([
buffer.slice(0, 4),
new Buffer([254, 1, 0, 0, 0]),
buffer.slice(5)
])
// the deserialized-serialized transaction should return to its non-mutated state (== tx)
var buffer2 = Transaction.fromBuffer(mutated).toBuffer()
2014-05-01 22:25:57 +02:00
assert.deepEqual(buffer, buffer2)
2014-03-31 05:47:47 +02:00
})
})
2014-03-17 10:49:37 +01:00
describe('creating a transaction', function() {
var tx, prevTx
2014-03-17 10:49:37 +01:00
beforeEach(function() {
prevTx = Transaction.fromHex(fixtureTx1Hex)
2014-03-17 10:49:37 +01:00
tx = new Transaction()
})
describe('addInput', function(){
it('allows a Transaction object to be passed in', function(){
tx.addInput(prevTx, 0)
2014-03-17 10:49:37 +01:00
verifyTransactionIn()
})
it('allows a Transaction hash to be passed in', function(){
tx.addInput("0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57", 0)
verifyTransactionIn()
})
it('allows a TransactionIn object to be passed in', function(){
var txCopy = tx.clone()
txCopy.addInput(prevTx, 0)
2014-03-17 10:49:37 +01:00
var transactionIn = txCopy.ins[0]
tx.addInput(transactionIn)
verifyTransactionIn()
})
it('allows a string in the form of txhash:index to be passed in', function(){
tx.addInput("0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57:0")
verifyTransactionIn()
})
function verifyTransactionIn(){
assert.equal(tx.ins.length, 1)
var input = tx.ins[0]
assert.equal(input.sequence, 4294967295)
2014-03-17 10:49:37 +01:00
assert.equal(input.outpoint.index, 0)
assert.equal(input.outpoint.hash, "0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57")
assert.deepEqual(input.script.buffer, [])
}
2014-03-17 11:01:36 +01:00
})
describe('addOutput', function(){
it('allows an address and a value to be passed in', function(){
tx.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3", 40000)
verifyTransactionOut()
})
2014-03-17 10:49:37 +01:00
it('allows an Address object and value to be passed in', function(){
tx.addOutput(Address.fromBase58Check('15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3'), 40000)
verifyTransactionOut()
})
2014-03-17 11:01:36 +01:00
it('allows a string in the form of address:index to be passed in', function(){
tx.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3:40000")
verifyTransactionOut()
})
it('allows a TransactionOut object to be passed in', function(){
var txCopy = tx.clone()
txCopy.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3:40000")
var transactionOut = txCopy.outs[0]
tx.addOutput(transactionOut)
verifyTransactionOut()
})
2014-05-06 06:12:37 +02:00
it('supports alternative networks', function(){
var addr = 'mkHJaNR7uuwRG1JrmTZsV4MszaTKjCBvCR'
tx.addOutput(addr, 40000)
2014-05-06 06:12:37 +02:00
verifyTransactionOut()
assert.equal(tx.outs[0].address.toString(), addr)
})
2014-03-17 11:01:36 +01:00
function verifyTransactionOut(){
assert.equal(tx.outs.length, 1)
var output = tx.outs[0]
assert.equal(output.value, 40000)
2014-04-22 21:34:39 +02:00
assert.equal(b2h(output.script.buffer), "76a9143443bc45c560866cfeabf1d52f50a6ed358c69f288ac")
2014-03-17 11:01:36 +01:00
}
2014-03-17 10:49:37 +01:00
})
2014-03-17 18:32:31 +01:00
describe('sign', function(){
it('works', function(){
tx.addInput("0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57:0")
tx.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3:40000")
tx.addOutput("1Bu3bhwRmevHLAy1JrRB6AfcxfgDG2vXRd:50000")
2014-04-17 11:08:16 +02:00
var key = ECKey.fromWIF('L44f7zxJ5Zw4EK9HZtyAnzCYz2vcZ5wiJf9AuwhJakiV4xVkxBeb')
2014-03-17 18:32:31 +01:00
tx.sign(0, key)
var script = prevTx.outs[0].script
2014-05-10 14:38:05 +02:00
var sig = new Buffer(tx.ins[0].script.chunks[0])
assert.equal(tx.validateSig(0, script, key.pub, sig), true)
})
})
describe('validateSig', function(){
var validTx
beforeEach(function() {
validTx = Transaction.fromHex(fixtureTx2Hex)
})
it('returns true for valid signature', function(){
2014-04-17 11:08:16 +02:00
var key = ECKey.fromWIF('L44f7zxJ5Zw4EK9HZtyAnzCYz2vcZ5wiJf9AuwhJakiV4xVkxBeb')
var script = prevTx.outs[0].script
2014-05-10 14:38:05 +02:00
var sig = new Buffer(validTx.ins[0].script.chunks[0])
assert.equal(validTx.validateSig(0, script, key.pub, sig), true)
2014-03-17 18:32:31 +01:00
})
})
2014-03-22 16:48:21 +01:00
describe('estimateFee', function(){
it('works for fixture tx 1', function(){
var tx = Transaction.fromHex(fixtureTx1Hex)
2014-03-22 16:48:21 +01:00
assert.equal(tx.estimateFee(), 20000)
})
it('works for fixture big tx', function(){
var tx = Transaction.fromHex(fixtureTxBigHex)
2014-03-22 16:48:21 +01:00
assert.equal(tx.estimateFee(), 60000)
})
it('allow feePerKb to be passed in as an argument', function(){
var tx = Transaction.fromHex(fixtureTx2Hex)
2014-03-22 16:48:21 +01:00
assert.equal(tx.estimateFee(10000), 10000)
})
2014-03-26 01:37:07 +01:00
it('allow feePerKb to be set to 0', function(){
var tx = Transaction.fromHex(fixtureTx2Hex)
2014-03-26 01:37:07 +01:00
assert.equal(tx.estimateFee(0), 0)
})
2014-03-22 16:48:21 +01:00
})
2014-03-17 10:49:37 +01:00
})
2014-04-25 19:50:41 +02:00
describe('signScriptSig', function() {
2014-04-26 07:38:43 +02:00
it('works for multi-sig redeem script', function() {
var tx = new Transaction()
tx.addInput('d6f72aab8ff86ff6289842a0424319bf2ddba85dc7c52757912297f948286389', 0)
tx.addOutput('mrCDrCybB6J1vRfbwM5hemdJz73FwDBC8r', 1)
2014-04-26 07:38:43 +02:00
var privKeys = [
'5HpHagT65TZzG1PH3CSu63k8DbpvD8s5ip4nEB3kEsreAnchuDf',
'5HpHagT65TZzG1PH3CSu63k8DbpvD8s5ip4nEB3kEsreAvUcVfH'
].map(function(wif) {
return ECKey.fromWIF(wif)
})
var pubKeys = privKeys.map(function(eck) { return eck.pub })
var redeemScript = Script.createMultisigScriptPubKey(2, pubKeys)
2014-04-22 21:35:44 +02:00
2014-04-26 07:38:43 +02:00
var signatures = privKeys.map(function(privKey) {
return tx.signScriptSig(0, redeemScript, privKey)
})
2014-04-22 21:35:44 +02:00
var redeemScriptSig = Script.createMultisigScriptSig(signatures)
var scriptSig = Script.createP2SHScriptSig(redeemScriptSig, redeemScript)
2014-04-26 07:38:43 +02:00
tx.setScriptSig(0, scriptSig)
2014-04-22 21:35:44 +02:00
2014-04-26 07:38:43 +02:00
signatures.forEach(function(sig, i){
assert(tx.validateSig(0, redeemScript, privKeys[i].pub, sig))
})
2014-04-22 21:35:44 +02:00
2014-04-26 07:38:43 +02:00
var expected = '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'
assert.equal(tx.toHex(), expected)
2014-04-26 07:38:43 +02:00
})
2014-04-22 21:35:44 +02:00
})
})