Transaction: data driven tests
This commit is contained in:
Daniel Cousens
parent
e2cf3549f2
commit
6ea89eeaae
2 changed files with 330 additions and 183 deletions
176
test/fixtures/transaction.json
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176
test/fixtures/transaction.json
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File diff suppressed because one or more lines are too long
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@ -5,198 +5,197 @@ var scripts = require('../src/scripts')
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var Address = require('../src/address')
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var ECKey = require('../src/eckey')
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var Transaction = require('../src/transaction')
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var Script = require('../src/script')
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var fixtureTxes = require('./fixtures/mainnet_tx')
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var fixtureTx1Hex = fixtureTxes.prevTx
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var fixtureTx2Hex = fixtureTxes.tx
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var fixtureTxBigHex = fixtureTxes.bigTx
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var fixtures = require('./fixtures/transaction')
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// FIXME: what is a better way to do this, seems a bit odd
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fixtures.valid.forEach(function(f) {
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var Script = require('../src/script')
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f.raw.ins.forEach(function(fin) {
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fin.hash = new Buffer(fin.hash, 'hex')
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fin.script = Script.fromHex(fin.script)
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})
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f.raw.outs.forEach(function(fout) {
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fout.script = Script.fromHex(fout.script)
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})
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})
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describe('Transaction', function() {
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describe('toBuffer', function() {
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it('matches the expected output', function() {
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var expected = '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'
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describe('fromBuffer/fromHex', function() {
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fixtures.valid.forEach(function(f) {
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it('imports ' + f.txid + ' correctly', function() {
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var actual = Transaction.fromHex(f.hex)
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var actual = Transaction.fromHex(expected).toHex()
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assert.deepEqual(actual, f.raw)
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})
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})
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assert.equal(actual, expected)
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fixtures.invalid.fromBuffer.forEach(function(f) {
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it('throws on ' + f.exception, function() {
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assert.throws(function() {
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Transaction.fromHex(f.hex)
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}, /Invalid transaction/)
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})
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})
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})
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describe('fromBuffer', function() {
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var tx, serializedTx
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describe('toBuffer/toHex', function() {
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fixtures.valid.forEach(function(f) {
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it('exports ' + f.txid + ' correctly', function() {
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var actual = Transaction.prototype.toBuffer.call(f.raw)
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assert.equal(actual.toString('hex'), f.hex)
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})
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})
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})
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describe('addInput', function() {
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// FIXME: not as pretty as could be
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// Probably a bit representative of the API
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var prevTxHash, prevTxId, prevTx
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beforeEach(function() {
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serializedTx = '0100000001344630cbff61fbc362f7e1ff2f11a344c29326e4ee96e787dc0d4e5cc02fd069000000004a493046022100ef89701f460e8660c80808a162bbf2d676f40a331a243592c36d6bd1f81d6bdf022100d29c072f1b18e59caba6e1f0b8cadeb373fd33a25feded746832ec179880c23901ffffffff0100f2052a010000001976a914dd40dedd8f7e37466624c4dacc6362d8e7be23dd88ac00000000'
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tx = Transaction.fromHex(serializedTx)
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var crypto = require('../src/crypto')
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var f = fixtures.valid[0]
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prevTx = Transaction.fromHex(f.hex)
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prevTxId = prevTx.getId()
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prevTxHash = crypto.hash256(prevTx.toBuffer())
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})
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it('does not mutate the input buffer', function() {
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var buffer = new Buffer(serializedTx, 'hex')
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Transaction.fromBuffer(buffer)
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assert.equal(buffer.toString('hex'), serializedTx)
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})
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it('decodes version correctly', function() {
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assert.equal(tx.version, 1)
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})
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it('decodes locktime correctly', function() {
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assert.equal(tx.locktime, 0)
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})
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it('decodes inputs correctly', function() {
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assert.equal(tx.ins.length, 1)
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var input = tx.ins[0]
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assert.equal(input.sequence, 4294967295)
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assert.equal(input.index, 0)
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assert.equal(input.hash.toString('hex'), "344630cbff61fbc362f7e1ff2f11a344c29326e4ee96e787dc0d4e5cc02fd069")
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assert.equal(input.script.toHex(), "493046022100ef89701f460e8660c80808a162bbf2d676f40a331a243592c36d6bd1f81d6bdf022100d29c072f1b18e59caba6e1f0b8cadeb373fd33a25feded746832ec179880c23901")
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})
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it('decodes outputs correctly', function() {
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assert.equal(tx.outs.length, 1)
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var output = tx.outs[0]
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assert.equal(output.value, 5000000000)
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assert.deepEqual(output.script, Address.fromBase58Check('n1gqLjZbRH1biT5o4qiVMiNig8wcCPQeB9').toOutputScript())
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})
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it('decodes large inputs correctly', function() {
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// transaction has only 1 input
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it('accepts a transaction id', function() {
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var tx = new Transaction()
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tx.addInput("0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57", 0)
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tx.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3", 100)
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tx.addInput(prevTxId, 0)
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var buffer = tx.toBuffer()
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assert.deepEqual(tx.ins[0].hash, prevTxHash)
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})
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// we're going to replace the 8bit VarInt for tx.ins.length with a stretched 32bit equivalent
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var mutated = Buffer.concat([
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buffer.slice(0, 4),
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new Buffer([254, 1, 0, 0, 0]),
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buffer.slice(5)
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])
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it('accepts a Transaction object', function() {
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var tx = new Transaction()
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tx.addInput(prevTx, 0)
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// the deserialized-serialized transaction should return to its non-mutated state (== tx)
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var buffer2 = Transaction.fromBuffer(mutated).toBuffer()
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assert.deepEqual(buffer, buffer2)
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assert.deepEqual(tx.ins[0].hash, prevTxHash)
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})
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it('returns an index', function() {
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var tx = new Transaction()
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assert.equal(tx.addInput(prevTxId, 0), 0)
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assert.equal(tx.addInput(prevTxId, 0), 1)
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})
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it('defaults to DEFAULT_SEQUENCE', function() {
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var tx = new Transaction()
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tx.addInput(prevTxId, 0)
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assert.equal(tx.ins[0].sequence, 0xffffffff)
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})
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fixtures.valid.forEach(function(f) {
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it('should add the inputs for ' + f.txid + ' correctly', function() {
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var tx = new Transaction()
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f.raw.ins.forEach(function(txIn, i) {
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var txInId = new Buffer(txIn.hash)
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Array.prototype.reverse.call(txInId)
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txInId = txInId.toString('hex')
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var j = tx.addInput(txInId, txIn.index)
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assert.equal(i, j)
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assert.deepEqual(tx.ins[i].hash, txIn.hash)
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assert.equal(tx.ins[i].index, txIn.index)
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})
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})
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})
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})
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describe('creating a transaction', function() {
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var tx, prevTx
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describe('addOutput', function() {
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// FIXME: not as pretty as could be
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// Probably a bit representative of the API
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var destAddressB58, destAddress, destScript
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beforeEach(function() {
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prevTx = Transaction.fromHex(fixtureTx1Hex)
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tx = new Transaction()
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destAddressB58 = '15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3'
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destAddress = Address.fromBase58Check(destAddressB58)
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destScript = destAddress.toOutputScript()
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})
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describe('addInput', function() {
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it('accepts a transaction hash', function() {
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var prevTxHash = prevTx.getId()
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it('accepts an address string', function() {
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var tx = new Transaction()
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tx.addOutput(destAddressB58, 40000)
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tx.addInput(prevTxHash, 0)
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verifyTransactionIn()
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})
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it('accepts a Transaction object', function() {
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tx.addInput(prevTx, 0)
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verifyTransactionIn()
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})
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it('returns an index', function() {
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assert.equal(tx.addInput(prevTx, 0), 0)
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assert.equal(tx.addInput(prevTx, 0), 1)
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})
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function verifyTransactionIn() {
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assert.equal(tx.ins.length, 1)
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var input = tx.ins[0]
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assert.equal(input.sequence, 4294967295)
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assert.equal(input.index, 0)
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assert.equal(input.hash.toString('hex'), "576bc3c3285dbdccd8c3cbd8c03e10d7f77a5c839c744f34c3eb00511059b80c")
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assert.equal(input.script, Script.EMPTY)
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}
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assert.deepEqual(tx.outs[0].script, destScript)
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assert.equal(tx.outs[0].value, 40000)
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})
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describe('addOutput', function() {
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it('accepts an address string', function() {
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var dest = '15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3'
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it('accepts an Address', function() {
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var tx = new Transaction()
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tx.addOutput(destAddress, 40000)
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tx.addOutput(dest, 40000)
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verifyTransactionOut()
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})
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it('accepts an Address', function() {
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var dest = Address.fromBase58Check('15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3')
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tx.addOutput(dest, 40000)
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verifyTransactionOut()
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})
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it('accepts a scriptPubKey', function() {
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var dest = Address.fromBase58Check('15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3').toOutputScript()
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tx.addOutput(dest, 40000)
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verifyTransactionOut()
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})
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it('returns an index', function() {
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var dest = '15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3'
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assert.equal(tx.addOutput(dest, 40000), 0)
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assert.equal(tx.addOutput(dest, 40000), 1)
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})
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function verifyTransactionOut() {
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assert.equal(tx.outs.length, 1)
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var output = tx.outs[0]
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assert.equal(output.value, 40000)
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assert.equal(output.script.toHex(), "76a9143443bc45c560866cfeabf1d52f50a6ed358c69f288ac")
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}
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assert.deepEqual(tx.outs[0].script, destScript)
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assert.equal(tx.outs[0].value, 40000)
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})
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describe('sign', function() {
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it('works', function() {
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tx.addInput("0cb859105100ebc3344f749c835c7af7d7103ec0d8cbc3d8ccbd5d28c3c36b57", 0)
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tx.addOutput("15mMHKL96tWAUtqF3tbVf99Z8arcmnJrr3", 40000)
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tx.addOutput("1Bu3bhwRmevHLAy1JrRB6AfcxfgDG2vXRd", 50000)
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it('accepts a scriptPubKey', function() {
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var tx = new Transaction()
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tx.addOutput(destScript, 40000)
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var key = ECKey.fromWIF('L44f7zxJ5Zw4EK9HZtyAnzCYz2vcZ5wiJf9AuwhJakiV4xVkxBeb')
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tx.sign(0, key)
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var script = prevTx.outs[0].script
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var sig = new Buffer(tx.ins[0].script.chunks[0])
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assert.equal(tx.validateInput(0, script, key.pub, sig), true)
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})
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assert.deepEqual(tx.outs[0].script, destScript)
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assert.equal(tx.outs[0].value, 40000)
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})
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describe('validateInput', function() {
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var validTx
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it('returns an index', function() {
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var tx = new Transaction()
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assert.equal(tx.addOutput(destScript, 40000), 0)
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assert.equal(tx.addOutput(destScript, 40000), 1)
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})
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beforeEach(function() {
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validTx = Transaction.fromHex(fixtureTx2Hex)
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})
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fixtures.valid.forEach(function(f) {
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it('should add the outputs for ' + f.txid + ' correctly', function() {
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var tx = new Transaction()
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it('returns true for valid signature', function() {
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var key = ECKey.fromWIF('L44f7zxJ5Zw4EK9HZtyAnzCYz2vcZ5wiJf9AuwhJakiV4xVkxBeb')
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var script = prevTx.outs[0].script
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var sig = new Buffer(validTx.ins[0].script.chunks[0])
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f.raw.outs.forEach(function(txOut, i) {
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var j = tx.addOutput(txOut.script, txOut.value)
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assert.equal(validTx.validateInput(0, script, key.pub, sig), true)
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assert.equal(i, j)
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})
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assert.deepEqual(tx.outs, f.raw.outs)
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})
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})
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})
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describe('signInput', function() {
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describe('clone', function() {
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fixtures.valid.forEach(function(f) {
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var expected = Transaction.fromHex(f.hex)
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var actual = expected.clone()
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it('should have value equality', function() {
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assert.deepEqual(actual, expected)
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})
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it('should not have reference equality', function() {
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assert.notEqual(actual, expected)
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})
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})
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})
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describe('getId', function() {
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fixtures.valid.forEach(function(f) {
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it('should return the txid for ' + f.txid, function() {
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var tx = Transaction.fromHex(f.hex)
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var actual = tx.getId()
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assert.equal(actual, f.txid)
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})
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})
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})
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// TODO:
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// hashForSignature: [Function],
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// FIXME: could be better
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describe('signInput/validateInput', function() {
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it('works for multi-sig redeem script', function() {
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var tx = new Transaction()
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tx.addInput('d6f72aab8ff86ff6289842a0424319bf2ddba85dc7c52757912297f948286389', 0)
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@ -227,32 +226,4 @@ describe('Transaction', function() {
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assert.equal(tx.toHex(), expected)
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})
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})
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describe('getId', function() {
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it('returns the expected txid', function() {
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var tx = new Transaction()
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tx.addInput('d6f72aab8ff86ff6289842a0424319bf2ddba85dc7c52757912297f948286389', 0)
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tx.addOutput('mrCDrCybB6J1vRfbwM5hemdJz73FwDBC8r', 1)
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assert.equal(tx.getId(), '7c3275f1212fd1a2add614f47a1f1f7b6d9570a97cb88e0e2664ab1752976e9f')
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})
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})
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describe('clone', function() {
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it('creates a new object', function() {
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var txA = new Transaction()
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txA.addInput('d6f72aab8ff86ff6289842a0424319bf2ddba85dc7c52757912297f948286389', 0)
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txA.addOutput('mrCDrCybB6J1vRfbwM5hemdJz73FwDBC8r', 1000)
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var txB = txA.clone()
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// Enforce value equality
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assert.deepEqual(txA, txB)
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// Enforce reference inequality
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assert.notEqual(txA.ins[0], txB.ins[0])
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assert.notEqual(txA.outs[0], txB.outs[0])
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})
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})
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})
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