249 lines
8.5 KiB
JavaScript
249 lines
8.5 KiB
JavaScript
var Wallet = require('../src/wallet.js')
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var HDNode = require('../src/hdwallet.js')
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var convert = require('../src/convert.js')
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var assert = require('assert')
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var SHA256 = require('crypto-js/sha256')
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var Crypto = require('crypto-js')
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describe('Wallet', function() {
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var seed, wallet;
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beforeEach(function(){
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seed = convert.wordArrayToBytes(SHA256("don't use a string seed like this in real life"))
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wallet = new Wallet(seed)
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})
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describe('constructor', function() {
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it('defaults to Bitcoin mainnet', function() {
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assert.equal(wallet.getMasterKey().network, 'mainnet')
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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, {network: '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, '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, {network: '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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it('generates change addresses', function(){
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var wallet = new Wallet(seed, {network: '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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it('returns the private key at the given index of external account', function(){
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var wallet = new Wallet(seed, {network: 'testnet'})
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assertEqual(wallet.getPrivateKey(0), wallet.getExternalAccount().derive(0).priv)
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assertEqual(wallet.getPrivateKey(1), wallet.getExternalAccount().derive(1).priv)
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})
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})
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describe('getInternalPrivateKey', function(){
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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, {network: 'testnet'})
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assertEqual(wallet.getInternalPrivateKey(0), wallet.getInternalAccount().derive(0).priv)
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assertEqual(wallet.getInternalPrivateKey(1), wallet.getInternalAccount().derive(1).priv)
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})
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})
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describe('getPrivateKeyForAddress', function(){
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it('returns the private key for the given address', function(){
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var wallet = new Wallet(seed, {network: 'testnet'})
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wallet.generateChangeAddress()
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wallet.generateAddress()
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wallet.generateAddress()
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assertEqual(wallet.getPrivateKeyForAddress("n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X"),
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wallet.getExternalAccount().derive(1).priv)
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assertEqual(wallet.getPrivateKeyForAddress("mnXiDR4MKsFxcKJEZjx4353oXvo55iuptn"),
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wallet.getInternalAccount().derive(0).priv)
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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, {network: 'testnet'})
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assert.throws(function() {
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wallet.getPrivateKeyForAddress("n2fiWrHqD6GM5GiEqkbWAc6aaZQp3ba93X")
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}, Error, '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 expectedUtxo, expectedOutputKey;
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beforeEach(function(){
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expectedUtxo = [
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{
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"hash":"6a4062273ac4f9ea4ffca52d9fd102b08f6c32faa0a4d1318e3a7b2e437bb9c7",
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"hashLittleEndian":"c7b97b432e7b3a8e31d1a4a0fa326c8fb002d19f2da5fc4feaf9c43a2762406a",
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"outputIndex": 0,
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"scriptPubKey":"76a91468edf28474ee22f68dfe7e56e76c017c1701b84f88ac",
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"address" : "1azpkpcfczkduetfbqul4mokqai3m3hmxv",
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"value": 20000
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}
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]
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expectedOutputKey = expectedUtxo[0].hash + ":" + expectedUtxo[0].outputIndex
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})
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describe('getUnspentOutputs', function(){
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it('parses wallet outputs to the expect format', function(){
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wallet.outputs[expectedOutputKey] = {
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output: expectedOutputKey,
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scriptPubKey: expectedUtxo[0].scriptPubKey,
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address: expectedUtxo[0].address,
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value: expectedUtxo[0].value
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}
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assert.deepEqual(wallet.getUnspentOutputs(), expectedUtxo)
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})
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})
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describe('setUnspentOutputs', function(){
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var utxo;
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beforeEach(function(){
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utxo = cloneObject(expectedUtxo)
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})
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it('uses hashLittleEndian when hash is not present', function(){
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delete utxo[0]['hash']
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wallet.setUnspentOutputs(utxo)
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verifyOutputs()
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})
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it('uses hash when hashLittleEndian is not present', function(){
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delete utxo[0]['hashLittleEndian']
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wallet.setUnspentOutputs(utxo)
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verifyOutputs()
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})
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it('uses hash when both hash and hashLittleEndian are present', function(){
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wallet.setUnspentOutputs(utxo)
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verifyOutputs()
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})
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describe('required fields', function(){
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it("throws an error when hash and hashLittleEndian are both missing", function(){
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delete utxo[0]['hash']
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delete utxo[0]['hashLittleEndian']
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var errorMessage = 'Invalid unspent output: key hash(or hashLittleEndian) is missing. ' +
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'A valid unspent output must contain outputIndex, scriptPubKey, address, value and hash(or hashLittleEndian)'
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assert.throws(function() {
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wallet.setUnspentOutputs(utxo)
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}, Error, errorMessage)
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});
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['outputIndex', 'scriptPubKey', 'address', 'value'].forEach(function(field){
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it("throws an error when " + field + " is missing", function(){
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delete utxo[0][field]
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var errorMessage = 'Invalid unspent output: key ' + field +
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' is missing. A valid unspent output must contain outputIndex, scriptPubKey, address, value and hash(or hashLittleEndian)'
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assert.throws(function() {
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wallet.setUnspentOutputs(utxo)
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}, Error, errorMessage)
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})
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})
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})
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function verifyOutputs() {
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var output = wallet.outputs[expectedOutputKey]
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assert(output)
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assert.equal(output.value, utxo[0].value)
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assert.equal(output.address, utxo[0].address)
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assert.equal(output.scriptPubKey, utxo[0].scriptPubKey)
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}
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})
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})
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function assertEqual(obj1, obj2){
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assert.equal(obj1.toString(), obj2.toString())
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}
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function assertNotEqual(obj1, obj2){
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assert.notEqual(obj1.toString(), obj2.toString())
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}
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// quick and dirty: does not deal with functions on object
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function cloneObject(obj){
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return JSON.parse(JSON.stringify(obj))
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}
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})
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