675 lines
20 KiB
JavaScript
675 lines
20 KiB
JavaScript
var assert = require('assert')
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var crypto = require('../src/crypto')
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var networks = require('../src/networks')
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var sinon = require('sinon')
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var scripts = require('../src/scripts')
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var Address = require('../src/address')
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var HDNode = require('../src/hdnode')
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var Transaction = require('../src/transaction')
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var TransactionBuilder = require('../src/transaction_builder')
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var Wallet = require('../src/wallet')
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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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function fakeTxHash(i) {
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var hash = new Buffer(32)
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hash.fill(i)
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return hash
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}
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function fakeTxId(i) {
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var hash = fakeTxHash(i)
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Array.prototype.reverse.call(hash)
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return hash.toString('hex')
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}
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describe('Wallet', function() {
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var seed
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beforeEach(function(){
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seed = crypto.sha256("don't use a string seed like this in real life")
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})
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describe('constructor', function() {
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var wallet
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beforeEach(function(){
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wallet = new Wallet(seed)
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})
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it('defaults to Bitcoin network', function() {
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assert.equal(wallet.getMasterKey().network, networks.bitcoin)
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})
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it("generates m/0' as the main account", function() {
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var mainAccount = wallet.getAccountZero()
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assert.equal(mainAccount.index, 0 + HDNode.HIGHEST_BIT)
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assert.equal(mainAccount.depth, 1)
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})
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it("generates m/0'/0 as the external account", function() {
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var account = wallet.getExternalAccount()
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assert.equal(account.index, 0)
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assert.equal(account.depth, 2)
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})
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it("generates m/0'/1 as the internal account", function() {
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var account = wallet.getInternalAccount()
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assert.equal(account.index, 1)
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assert.equal(account.depth, 2)
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})
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describe('when seed is not specified', function(){
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it('generates a seed', function(){
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var wallet = new Wallet()
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assert.ok(wallet.getMasterKey())
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})
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})
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describe('constructor options', function() {
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beforeEach(function() {
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wallet = new Wallet(seed, networks.testnet)
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})
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it('uses the network if specified', function() {
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assert.equal(wallet.getMasterKey().network, networks.testnet)
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})
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})
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})
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describe('newMasterKey', function(){
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it('resets accounts', function(){
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var wallet = new Wallet()
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var oldAccountZero = wallet.getAccountZero()
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var oldExternalAccount = wallet.getExternalAccount()
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var oldInternalAccount = wallet.getInternalAccount()
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wallet.newMasterKey(seed)
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assertNotEqual(wallet.getAccountZero(), oldAccountZero)
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assertNotEqual(wallet.getExternalAccount(), oldExternalAccount)
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assertNotEqual(wallet.getInternalAccount(), oldInternalAccount)
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})
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it('resets addresses', function(){
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var wallet = new Wallet()
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wallet.generateAddress()
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wallet.generateChangeAddress()
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var oldAddresses = wallet.addresses
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var oldChangeAddresses = wallet.changeAddresses
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assert.notDeepEqual(oldAddresses, [])
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assert.notDeepEqual(oldChangeAddresses, [])
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wallet.newMasterKey(seed)
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assert.deepEqual(wallet.addresses, [])
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assert.deepEqual(wallet.changeAddresses, [])
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})
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})
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describe('generateAddress', function(){
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it('generate receiving addresses', function(){
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var wallet = new Wallet(seed, networks.testnet)
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var expectedAddresses = [
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"n1GyUANZand9Kw6hGSV9837cCC9FFUQzQa",
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"n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X"
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]
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assert.equal(wallet.generateAddress(), expectedAddresses[0])
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assert.equal(wallet.generateAddress(), expectedAddresses[1])
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assert.deepEqual(wallet.addresses, expectedAddresses)
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})
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})
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describe('generateChangeAddress', function(){
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var wallet
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beforeEach(function(){
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wallet = new Wallet(seed)
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})
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it('generates change addresses', function(){
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var wallet = new Wallet(seed, networks.testnet)
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var expectedAddresses = ["mnXiDR4MKsFxcKJEZjx4353oXvo55iuptn"]
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assert.equal(wallet.generateChangeAddress(), expectedAddresses[0])
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assert.deepEqual(wallet.changeAddresses, expectedAddresses)
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})
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})
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describe('getPrivateKey', function(){
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var wallet
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beforeEach(function(){
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wallet = new Wallet(seed)
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})
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it('returns the private key at the given index of external account', function(){
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var wallet = new Wallet(seed, networks.testnet)
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assertEqual(wallet.getPrivateKey(0), wallet.getExternalAccount().derive(0).privKey)
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assertEqual(wallet.getPrivateKey(1), wallet.getExternalAccount().derive(1).privKey)
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})
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})
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describe('getInternalPrivateKey', function(){
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var wallet
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beforeEach(function(){
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wallet = new Wallet(seed)
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})
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it('returns the private key at the given index of internal account', function(){
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var wallet = new Wallet(seed, networks.testnet)
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assertEqual(wallet.getInternalPrivateKey(0), wallet.getInternalAccount().derive(0).privKey)
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assertEqual(wallet.getInternalPrivateKey(1), wallet.getInternalAccount().derive(1).privKey)
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})
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})
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describe('getPrivateKeyForAddress', function(){
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var wallet
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beforeEach(function(){
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wallet = new Wallet(seed)
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})
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it('returns the private key for the given address', function(){
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var wallet = new Wallet(seed, networks.testnet)
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wallet.generateChangeAddress()
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wallet.generateAddress()
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wallet.generateAddress()
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assertEqual(
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wallet.getPrivateKeyForAddress("n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X"),
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wallet.getExternalAccount().derive(1).privKey
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)
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assertEqual(
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wallet.getPrivateKeyForAddress("mnXiDR4MKsFxcKJEZjx4353oXvo55iuptn"),
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wallet.getInternalAccount().derive(0).privKey
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)
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})
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it('raises an error when address is not found', function(){
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var wallet = new Wallet(seed, networks.testnet)
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assert.throws(function() {
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wallet.getPrivateKeyForAddress("n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X")
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}, /Unknown address. Make sure the address is from the keychain and has been generated/)
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})
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})
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describe('Unspent Outputs', function(){
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var utxo, expectedOutputKey
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var wallet
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beforeEach(function(){
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utxo = {
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"address" : "1AZpKpcfCzKDUeTFBQUL4MokQai3m3HMXv",
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"hash": fakeTxId(6),
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"index": 0,
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"pending": true,
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"value": 20000
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}
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expectedOutputKey = utxo.hash + ":" + utxo.index
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})
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describe('on construction', function(){
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beforeEach(function(){
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wallet = new Wallet(seed, networks.bitcoin, [utxo])
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})
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it('matches the expected behaviour', function(){
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var output = wallet.outputs[expectedOutputKey]
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assert(output)
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assert.equal(output.value, utxo.value)
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assert.equal(output.address, utxo.address)
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})
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})
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describe('getBalance', function(){
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beforeEach(function(){
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var utxo1 = cloneObject(utxo)
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utxo1.hash = fakeTxId(5)
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wallet = new Wallet(seed, networks.bitcoin, [utxo, utxo1])
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})
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it('sums over utxo values', function(){
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assert.equal(wallet.getBalance(), 40000)
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})
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})
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describe('getUnspentOutputs', function(){
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beforeEach(function(){
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wallet = new Wallet(seed, networks.bitcoin, [utxo])
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})
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it('parses wallet outputs to the expect format', function(){
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assert.deepEqual(wallet.getUnspentOutputs(), [utxo])
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})
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it("ignores pending spending outputs (outputs with 'to' property)", function(){
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var output = wallet.outputs[expectedOutputKey]
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output.to = fakeTxId(0) + ':' + 0
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output.pending = true
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assert.deepEqual(wallet.getUnspentOutputs(), [])
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})
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})
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})
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// FIXME: remove in 2.x.y
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describe('setUnspentOutputs', function(){
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var utxo
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var expectedOutputKey
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beforeEach(function(){
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utxo = {
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hash: fakeTxId(0),
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index: 0,
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address: '115qa7iPZqn6as57hxLL8E9VUnhmGQxKWi',
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value: 500000
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}
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expectedOutputKey = utxo.hash + ":" + utxo.index
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wallet = new Wallet(seed, networks.bitcoin)
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})
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it('matches the expected behaviour', function(){
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wallet.setUnspentOutputs([utxo])
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var output = wallet.outputs[expectedOutputKey]
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assert(output)
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assert.equal(output.value, utxo.value)
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assert.equal(output.address, utxo.address)
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})
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describe('required fields', function(){
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['index', 'address', 'hash', 'value'].forEach(function(field){
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it("throws an error when " + field + " is missing", function(){
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delete utxo[field]
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assert.throws(function() {
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wallet.setUnspentOutputs([utxo])
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})
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})
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})
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})
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})
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describe('Process transaction', function(){
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var wallet
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beforeEach(function(){
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wallet = new Wallet(seed)
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})
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var addresses
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var tx
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beforeEach(function(){
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addresses = [
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'115qa7iPZqn6as57hxLL8E9VUnhmGQxKWi',
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'1Bu3bhwRmevHLAy1JrRB6AfcxfgDG2vXRd',
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'1BBjuhF2jHxu7tPinyQGCuaNhEs6f5u59u'
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]
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tx = Transaction.fromHex(fixtureTx1Hex)
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})
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describe("processPendingTx", function(){
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it("incoming: sets the pending flag on output", function(){
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wallet.addresses = [addresses[0]]
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wallet.processPendingTx(tx)
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verifyOutputAdded(0, true)
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})
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describe("when tx ins outpoint contains a known txhash:i", function(){
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var spendTx
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beforeEach(function(){
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wallet.addresses = [addresses[0]]
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wallet.processConfirmedTx(tx)
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spendTx = Transaction.fromHex(fixtureTx2Hex)
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})
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it("outgoing: sets the pending flag and 'to' on output", function(){
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var txIn = spendTx.ins[0]
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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 key = txInId + ':' + txIn.index
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assert(!wallet.outputs[key].pending)
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wallet.processPendingTx(spendTx)
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assert(wallet.outputs[key].pending)
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assert.equal(wallet.outputs[key].to, spendTx.getId() + ':' + 0)
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})
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})
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})
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describe('processConfirmedTx', function(){
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it('does not throw on scripts with no corresponding Address', function() {
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var pubKey = wallet.getPrivateKey(0).pub
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var script = scripts.pubKeyOutput(pubKey)
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var tx2 = new Transaction()
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tx2.addInput(fakeTxHash(1), 0)
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tx2.addOutput(script, 10000)
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wallet.processConfirmedTx(tx2)
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})
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describe("when tx outs contains an address owned by the wallet, an 'output' gets added to wallet.outputs", function(){
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it("works for receive address", function(){
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var totalOuts = outputCount()
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wallet.addresses = [addresses[0]]
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wallet.processConfirmedTx(tx)
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assert.equal(outputCount(), totalOuts + 1)
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verifyOutputAdded(0, false)
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})
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it("works for change address", function(){
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var totalOuts = outputCount()
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wallet.changeAddresses = [addresses[1]]
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wallet.processConfirmedTx(tx)
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assert.equal(outputCount(), totalOuts + 1)
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verifyOutputAdded(1, false)
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})
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function outputCount(){
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return Object.keys(wallet.outputs).length
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}
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})
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describe("when tx ins outpoint contains a known txhash:i", function(){
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var spendTx
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beforeEach(function(){
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wallet.addresses = [addresses[0]] // the address fixtureTx2 used as input
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wallet.processConfirmedTx(tx)
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spendTx = Transaction.fromHex(fixtureTx2Hex)
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})
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it("does not add to wallet.outputs", function(){
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wallet.processConfirmedTx(spendTx)
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assert.deepEqual(wallet.outputs, {})
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})
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it("deletes corresponding 'output'", function(){
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var txIn = spendTx.ins[0]
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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 expected = txInId + ':' + txIn.index
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assert(expected in wallet.outputs)
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wallet.processConfirmedTx(spendTx)
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assert(!(expected in wallet.outputs))
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})
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})
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it("does nothing when none of the involved addresses belong to the wallet", function(){
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wallet.processConfirmedTx(tx)
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assert.deepEqual(wallet.outputs, {})
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})
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})
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function verifyOutputAdded(index, pending) {
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var txOut = tx.outs[index]
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var key = tx.getId() + ":" + index
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var output = wallet.outputs[key]
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assert.equal(output.from, key)
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assert.equal(output.value, txOut.value)
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assert.equal(output.pending, pending)
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var txOutAddress = Address.fromOutputScript(txOut.script).toString()
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assert.equal(output.address, txOutAddress)
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}
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})
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describe('createTx', function(){
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var wallet
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var address1, address2
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var to, value
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beforeEach(function(){
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to = 'mt7MyTVVEWnbwpF5hBn6fgnJcv95Syk2ue'
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value = 500000
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address1 = "n1GyUANZand9Kw6hGSV9837cCC9FFUQzQa"
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address2 = "n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X"
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// set up 3 utxos
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var utxos = [
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{
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"hash": fakeTxId(1),
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"index": 0,
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"address": address1,
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"value": 400000 // not enough for value
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},
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{
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"hash": fakeTxId(2),
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"index": 1,
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"address": address1,
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"value": 500000 // enough for only value
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},
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{
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"hash": fakeTxId(3),
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"index": 0,
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"address" : address2,
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"value": 510000 // enough for value and fee
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}
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]
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wallet = new Wallet(seed, networks.testnet, utxos)
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wallet.generateAddress()
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wallet.generateAddress()
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})
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describe('transaction fee', function(){
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it('allows fee to be specified', function(){
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var fee = 30000
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var tx = wallet.createTx(to, value, fee)
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assert.equal(getFee(wallet, tx), fee)
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})
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it('allows fee to be set to zero', function(){
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value = 510000
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var fee = 0
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var tx = wallet.createTx(to, value, fee)
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assert.equal(getFee(wallet, tx), fee)
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})
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it('does not overestimate fees when network has dustSoftThreshold', function(){
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var utxo = {
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hash: fakeTxId(0),
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index: 0,
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address: "LeyySKbQrRRwodKEj1W4a8y3YQupPLw5os",
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value: 500000
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}
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var wallet = new Wallet(seed, networks.litecoin, [utxo])
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wallet.generateAddress()
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value = 200000
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var tx = wallet.createTx(utxo.address, value)
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assert.equal(getFee(wallet, tx), 100000)
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})
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function getFee(wallet, tx) {
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var inputValue = tx.ins.reduce(function(memo, input){
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var id = Array.prototype.reverse.call(input.hash).toString('hex')
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return memo + wallet.outputs[id + ':' + input.index].value
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}, 0)
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return tx.outs.reduce(function(memo, output){
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return memo - output.value
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}, inputValue)
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}
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})
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describe('choosing utxo', function(){
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it('takes fees into account', function(){
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var tx = wallet.createTx(to, value)
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assert.equal(tx.ins.length, 1)
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assert.deepEqual(tx.ins[0].hash, fakeTxHash(3))
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assert.equal(tx.ins[0].index, 0)
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})
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it('uses confirmed outputs', function(){
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var tx2 = new Transaction()
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tx2.addInput(fakeTxId(4), 0)
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tx2.addOutput(address2, 530000)
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wallet.processConfirmedTx(tx2)
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var tx = wallet.createTx(to, value)
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assert.equal(tx.ins.length, 1)
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assert.deepEqual(tx.ins[0].hash, tx2.getHash())
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assert.equal(tx.ins[0].index, 0)
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})
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it('ignores pending outputs', function(){
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var tx2 = new Transaction()
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tx2.addInput(fakeTxId(4), 0)
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tx2.addOutput(address2, 530000)
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wallet.processPendingTx(tx2)
|
|
var tx = wallet.createTx(to, value)
|
|
|
|
assert.equal(tx.ins.length, 1)
|
|
assert.deepEqual(tx.ins[0].hash, fakeTxHash(3))
|
|
assert.equal(tx.ins[0].index, 0)
|
|
})
|
|
})
|
|
|
|
describe('changeAddress', function(){
|
|
it('should allow custom changeAddress', function(){
|
|
var changeAddress = 'mfrFjnKZUvTcvdAK2fUX5D8v1Epu5H8JCk'
|
|
var fromValue = 510000
|
|
var toValue = fromValue / 2
|
|
var fee = 1e3
|
|
|
|
var tx = wallet.createTx(to, toValue, fee, changeAddress)
|
|
assert.equal(tx.outs.length, 2)
|
|
|
|
var outAddress0 = Address.fromOutputScript(tx.outs[0].script, networks.testnet)
|
|
var outAddress1 = Address.fromOutputScript(tx.outs[1].script, networks.testnet)
|
|
|
|
assert.equal(outAddress0.toString(), to)
|
|
assert.equal(tx.outs[0].value, toValue)
|
|
|
|
assert.equal(outAddress1.toString(), changeAddress)
|
|
assert.equal(tx.outs[1].value, fromValue - (toValue + fee))
|
|
})
|
|
})
|
|
|
|
describe('transaction outputs', function(){
|
|
it('includes the specified address and amount', function(){
|
|
var tx = wallet.createTx(to, value)
|
|
|
|
assert.equal(tx.outs.length, 1)
|
|
var out = tx.outs[0]
|
|
var outAddress = Address.fromOutputScript(out.script, networks.testnet)
|
|
|
|
assert.equal(outAddress.toString(), to)
|
|
assert.equal(out.value, value)
|
|
})
|
|
|
|
describe('change', function(){
|
|
it('uses the last change address if there is any', function(){
|
|
var fee = 0
|
|
wallet.generateChangeAddress()
|
|
wallet.generateChangeAddress()
|
|
var tx = wallet.createTx(to, value, fee)
|
|
|
|
assert.equal(tx.outs.length, 2)
|
|
var out = tx.outs[1]
|
|
var outAddress = Address.fromOutputScript(out.script, networks.testnet)
|
|
|
|
assert.equal(outAddress.toString(), wallet.changeAddresses[1])
|
|
assert.equal(out.value, 10000)
|
|
})
|
|
|
|
it('generates a change address if there is not any', function(){
|
|
var fee = 0
|
|
assert.equal(wallet.changeAddresses.length, 0)
|
|
|
|
var tx = wallet.createTx(to, value, fee)
|
|
|
|
assert.equal(wallet.changeAddresses.length, 1)
|
|
var out = tx.outs[1]
|
|
var outAddress = Address.fromOutputScript(out.script, networks.testnet)
|
|
|
|
assert.equal(outAddress.toString(), wallet.changeAddresses[0])
|
|
assert.equal(out.value, 10000)
|
|
})
|
|
|
|
it('skips change if it is not above dust threshold', function(){
|
|
var fee = 14570
|
|
var tx = wallet.createTx(to, value)
|
|
assert.equal(tx.outs.length, 1)
|
|
})
|
|
})
|
|
})
|
|
|
|
describe('signing', function(){
|
|
afterEach(function(){
|
|
TransactionBuilder.prototype.sign.restore()
|
|
})
|
|
|
|
it('signes the inputs with respective keys', function(){
|
|
var fee = 30000
|
|
sinon.spy(TransactionBuilder.prototype, "sign")
|
|
|
|
var tx = wallet.createTx(to, value, fee)
|
|
|
|
assert(TransactionBuilder.prototype.sign.calledWith(0, wallet.getPrivateKeyForAddress(address2)))
|
|
assert(TransactionBuilder.prototype.sign.calledWith(1, wallet.getPrivateKeyForAddress(address1)))
|
|
})
|
|
})
|
|
|
|
describe('when value is below dust threshold', function(){
|
|
it('throws an error', function(){
|
|
var value = 546
|
|
|
|
assert.throws(function() {
|
|
wallet.createTx(to, value)
|
|
}, /546 must be above dust threshold \(546 Satoshis\)/)
|
|
})
|
|
})
|
|
|
|
describe('when there is not enough money', function(){
|
|
it('throws an error', function(){
|
|
var value = 1400001
|
|
|
|
assert.throws(function() {
|
|
wallet.createTx(to, value)
|
|
}, /Not enough funds \(incl. fee\): 1410000 < 1410001/)
|
|
})
|
|
})
|
|
})
|
|
|
|
function assertEqual(obj1, obj2){
|
|
assert.equal(obj1.toString(), obj2.toString())
|
|
}
|
|
|
|
function assertNotEqual(obj1, obj2){
|
|
assert.notEqual(obj1.toString(), obj2.toString())
|
|
}
|
|
|
|
// quick and dirty: does not deal with functions on object
|
|
function cloneObject(obj){
|
|
return JSON.parse(JSON.stringify(obj))
|
|
}
|
|
})
|