270 lines
8 KiB
JavaScript
270 lines
8 KiB
JavaScript
/* global describe, it, beforeEach */
|
|
|
|
var assert = require('assert')
|
|
var bscript = require('../src/script')
|
|
var fixtures = require('./fixtures/transaction')
|
|
var Transaction = require('../src/transaction')
|
|
|
|
describe('Transaction', function () {
|
|
function fromRaw (raw, noWitness) {
|
|
var tx = new Transaction()
|
|
tx.version = raw.version
|
|
tx.locktime = raw.locktime
|
|
|
|
raw.ins.forEach(function (txIn, i) {
|
|
var txHash = new Buffer(txIn.hash, 'hex')
|
|
var scriptSig
|
|
|
|
if (txIn.data) {
|
|
scriptSig = new Buffer(txIn.data, 'hex')
|
|
} else if (txIn.script) {
|
|
scriptSig = bscript.fromASM(txIn.script)
|
|
}
|
|
|
|
tx.addInput(txHash, txIn.index, txIn.sequence, scriptSig)
|
|
|
|
if (!noWitness && txIn.witness) {
|
|
var witness = txIn.witness.map(function (x) {
|
|
return new Buffer(x, 'hex')
|
|
})
|
|
|
|
tx.setWitness(i, witness)
|
|
}
|
|
})
|
|
|
|
raw.outs.forEach(function (txOut) {
|
|
var script
|
|
|
|
if (txOut.data) {
|
|
script = new Buffer(txOut.data, 'hex')
|
|
} else if (txOut.script) {
|
|
script = bscript.fromASM(txOut.script)
|
|
}
|
|
|
|
tx.addOutput(script, txOut.value)
|
|
})
|
|
|
|
return tx
|
|
}
|
|
|
|
describe('fromBuffer/fromHex', function () {
|
|
function importExport (f) {
|
|
var id = f.id || f.hash
|
|
var txHex = f.hex || f.txHex
|
|
|
|
it('imports ' + f.description + ' (' + id + ')', function () {
|
|
var actual = Transaction.fromHex(txHex)
|
|
|
|
assert.strictEqual(actual.toHex(), txHex)
|
|
})
|
|
|
|
if (f.whex) {
|
|
it('imports ' + f.description + ' (' + id + ') as witness', function () {
|
|
var actual = Transaction.fromHex(f.whex)
|
|
|
|
assert.strictEqual(actual.toHex(), f.whex)
|
|
})
|
|
}
|
|
}
|
|
|
|
fixtures.valid.forEach(importExport)
|
|
fixtures.hashForSignature.forEach(importExport)
|
|
fixtures.hashForWitnessV0.forEach(importExport)
|
|
|
|
fixtures.invalid.fromBuffer.forEach(function (f) {
|
|
it('throws on ' + f.exception, function () {
|
|
assert.throws(function () {
|
|
Transaction.fromHex(f.hex)
|
|
}, new RegExp(f.exception))
|
|
})
|
|
})
|
|
|
|
it('.version should be interpreted as an int32le', function () {
|
|
var txHex = 'ffffffff0000ffffffff'
|
|
var tx = Transaction.fromHex(txHex)
|
|
assert.equal(-1, tx.version)
|
|
assert.equal(0xffffffff, tx.locktime)
|
|
})
|
|
})
|
|
|
|
describe('toBuffer/toHex', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
it('exports ' + f.description + ' (' + f.id + ')', function () {
|
|
var actual = fromRaw(f.raw, true)
|
|
assert.strictEqual(actual.toHex(), f.hex)
|
|
})
|
|
|
|
if (f.whex) {
|
|
it('exports ' + f.description + ' (' + f.id + ') as witness', function () {
|
|
var wactual = fromRaw(f.raw)
|
|
assert.strictEqual(wactual.toHex(), f.whex)
|
|
})
|
|
}
|
|
})
|
|
|
|
it('accepts target Buffer and offset parameters', function () {
|
|
var f = fixtures.valid[0]
|
|
var actual = fromRaw(f.raw)
|
|
var byteLength = actual.byteLength()
|
|
|
|
var target = new Buffer(byteLength * 2)
|
|
var a = actual.toBuffer(target, 0)
|
|
var b = actual.toBuffer(target, byteLength)
|
|
|
|
assert.strictEqual(a.length, byteLength)
|
|
assert.strictEqual(b.length, byteLength)
|
|
assert.strictEqual(a.toString('hex'), f.hex)
|
|
assert.strictEqual(b.toString('hex'), f.hex)
|
|
assert.deepEqual(a, b)
|
|
assert.deepEqual(a, target.slice(0, byteLength))
|
|
assert.deepEqual(b, target.slice(byteLength))
|
|
})
|
|
})
|
|
|
|
describe('hasWitnesses', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
it('detects if the transaction has witnesses: ' + (f.whex ? 'true' : 'false'), function () {
|
|
assert.strictEqual(Transaction.fromHex(f.whex ? f.whex : f.hex).hasWitnesses(), !!f.whex)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('addInput', function () {
|
|
var prevTxHash
|
|
beforeEach(function () {
|
|
prevTxHash = new Buffer('ffffffff00ffff000000000000000000000000000000000000000000101010ff', 'hex')
|
|
})
|
|
|
|
it('returns an index', function () {
|
|
var tx = new Transaction()
|
|
assert.strictEqual(tx.addInput(prevTxHash, 0), 0)
|
|
assert.strictEqual(tx.addInput(prevTxHash, 0), 1)
|
|
})
|
|
|
|
it('defaults to empty script, witness and 0xffffffff SEQUENCE number', function () {
|
|
var tx = new Transaction()
|
|
tx.addInput(prevTxHash, 0)
|
|
|
|
assert.strictEqual(tx.ins[0].script.length, 0)
|
|
assert.strictEqual(tx.ins[0].witness.length, 0)
|
|
assert.strictEqual(tx.ins[0].sequence, 0xffffffff)
|
|
})
|
|
|
|
fixtures.invalid.addInput.forEach(function (f) {
|
|
it('throws on ' + f.exception, function () {
|
|
var tx = new Transaction()
|
|
var hash = new Buffer(f.hash, 'hex')
|
|
|
|
assert.throws(function () {
|
|
tx.addInput(hash, f.index)
|
|
}, new RegExp(f.exception))
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('addOutput', function () {
|
|
it('returns an index', function () {
|
|
var tx = new Transaction()
|
|
assert.strictEqual(tx.addOutput(new Buffer(0), 0), 0)
|
|
assert.strictEqual(tx.addOutput(new Buffer(0), 0), 1)
|
|
})
|
|
})
|
|
|
|
describe('clone', function () {
|
|
fixtures.valid.forEach(function (f) {
|
|
var actual, expected
|
|
|
|
beforeEach(function () {
|
|
expected = Transaction.fromHex(f.hex)
|
|
actual = expected.clone()
|
|
})
|
|
|
|
it('should have value equality', function () {
|
|
assert.deepEqual(actual, expected)
|
|
})
|
|
|
|
it('should not have reference equality', function () {
|
|
assert.notEqual(actual, expected)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('getHash/getId', function () {
|
|
function verify (f) {
|
|
it('should return the id for ' + f.id + '(' + f.description + ')', function () {
|
|
var tx = Transaction.fromHex(f.whex || f.hex)
|
|
|
|
assert.strictEqual(tx.getHash().toString('hex'), f.hash)
|
|
assert.strictEqual(tx.getId(), f.id)
|
|
})
|
|
}
|
|
|
|
fixtures.valid.forEach(verify)
|
|
})
|
|
|
|
describe('isCoinbase', function () {
|
|
function verify (f) {
|
|
it('should return ' + f.coinbase + ' for ' + f.id + '(' + f.description + ')', function () {
|
|
var tx = Transaction.fromHex(f.hex)
|
|
|
|
assert.strictEqual(tx.isCoinbase(), f.coinbase)
|
|
})
|
|
}
|
|
|
|
fixtures.valid.forEach(verify)
|
|
})
|
|
|
|
describe('hashForSignature', function () {
|
|
it('does not use Witness serialization', function () {
|
|
var randScript = new Buffer('6a', 'hex')
|
|
|
|
var tx = new Transaction()
|
|
tx.addInput(new Buffer('0000000000000000000000000000000000000000000000000000000000000000', 'hex'), 0)
|
|
tx.addOutput(randScript, 5000000000)
|
|
|
|
var original = tx.__toBuffer
|
|
tx.__toBuffer = function (a, b, c) {
|
|
if (c !== false) throw new Error('hashForSignature MUST pass false')
|
|
|
|
return original.call(this, a, b, c)
|
|
}
|
|
|
|
assert.throws(function () {
|
|
tx.__toBuffer(undefined, undefined, true)
|
|
}, /hashForSignature MUST pass false/)
|
|
|
|
// assert hashForSignature does not pass false
|
|
assert.doesNotThrow(function () {
|
|
tx.hashForSignature(0, randScript, 1)
|
|
})
|
|
})
|
|
|
|
fixtures.hashForSignature.forEach(function (f) {
|
|
it('should return ' + f.hash + ' for ' + (f.description ? ('case "' + f.description + '"') : f.script), function () {
|
|
var tx = Transaction.fromHex(f.txHex)
|
|
var script = bscript.fromASM(f.script)
|
|
|
|
assert.strictEqual(tx.hashForSignature(f.inIndex, script, f.type).toString('hex'), f.hash)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('hashForWitnessV0', function () {
|
|
fixtures.hashForWitnessV0.forEach(function (f) {
|
|
it('should return ' + f.hash + ' for ' + (f.description ? ('case "' + f.description + '"') : ''), function () {
|
|
var tx = Transaction.fromHex(f.txHex)
|
|
var script = bscript.fromASM(f.script)
|
|
|
|
assert.strictEqual(tx.hashForWitnessV0(f.inIndex, script, f.value, f.type).toString('hex'), f.hash)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('setWitness', function () {
|
|
it('only accepts a a witness stack (Array of Buffers)', function () {
|
|
assert.throws(function () {
|
|
(new Transaction()).setWitness(0, 'foobar')
|
|
}, /Expected property "1" of type \[Buffer], got String "foobar"/)
|
|
})
|
|
})
|
|
})
|