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const assert = require('assert')
const extend = require('xtend')
const Web3 = require('web3')
const web3 = new Web3()
const ethUtil = require('ethereumjs-util')
const SimpleKeyring = require('../../../app/scripts/keyrings/simple')
const TYPE_STR = 'Simple Key Pair'
// Sample account:
const privKeyHex = 'b8a9c05beeedb25df85f8d641538cbffedf67216048de9c678ee26260eb91952'
describe('simple-keyring', function() {
let keyring
beforeEach(function() {
keyring = new SimpleKeyring()
})
describe('Keyring.type', function() {
it('is a class property that returns the type string.', function() {
const type = SimpleKeyring.type
assert.equal(type, TYPE_STR)
})
})
describe('#type', function() {
it('returns the correct value', function() {
const type = keyring.type
assert.equal(type, TYPE_STR)
})
})
describe('#serialize empty wallets.', function() {
it('serializes an empty array', function(done) {
keyring.serialize()
.then((output) => {
assert.deepEqual(output, [])
done()
})
})
})
describe('#deserialize a private key', function() {
it('serializes what it deserializes', function() {
keyring.deserialize([privKeyHex])
.then(() => {
assert.equal(keyring.wallets.length, 1, 'has one wallet')
const serialized = keyring.serialize()
assert.equal(serialized[0], privKeyHex)
})
})
})
describe('#signMessage', function() {
const address = '0x9858e7d8b79fc3e6d989636721584498926da38a'
const message = '0x879a053d4800c6354e76c7985a865d2922c82fb5b3f4577b2fe08b998954f2e0'
const privateKey = '0x7dd98753d7b4394095de7d176c58128e2ed6ee600abe97c9f6d9fd65015d9b18'
const expectedResult = '0x28fcb6768e5110144a55b2e6ce9d1ea5a58103033632d272d2b5cf506906f7941a00b539383fd872109633d8c71c404e13dba87bc84166ee31b0e36061a69e161c'
it('passes the dennis test', function(done) {
keyring.deserialize([ privateKey ])
.then(() => {
return keyring.signMessage(address, message)
})
.then((result) => {
assert.equal(result, expectedResult)
done()
})
})
it('reliably can decode messages it signs', function (done) {
const message = 'hello there!'
const msgHashHex = web3.sha3(message)
let address
let addresses = []
keyring.deserialize([ privateKey ])
.then(() => {
keyring.addAccounts(9)
})
.then(() => {
return keyring.getAccounts()
})
.then((addrs) => {
addresses = addrs
return Promise.all(addresses.map((address) => {
return keyring.signMessage(address, msgHashHex)
}))
})
.then((signatures) => {
signatures.forEach((sgn, index) => {
const address = addresses[index]
var r = ethUtil.toBuffer(sgn.slice(0,66))
var s = ethUtil.toBuffer('0x' + sgn.slice(66,130))
var v = ethUtil.bufferToInt(ethUtil.toBuffer('0x' + sgn.slice(130,132)))
var m = ethUtil.toBuffer(msgHashHex)
var pub = ethUtil.ecrecover(m, v, r, s)
var adr = '0x' + ethUtil.pubToAddress(pub).toString('hex')
assert.equal(adr, address, 'recovers address from signature correctly')
})
done()
})
})
})
describe('#addAccounts', function() {
describe('with no arguments', function() {
it('creates a single wallet', function() {
keyring.addAccounts()
.then(() => {
assert.equal(keyring.wallets.length, 1)
})
})
})
describe('with a numeric argument', function() {
it('creates that number of wallets', function() {
keyring.addAccounts(3)
.then(() => {
assert.equal(keyring.wallets.length, 3)
})
})
})
})
describe('#getAccounts', function() {
it('calls getAddress on each wallet', function(done) {
// Push a mock wallet
const desiredOutput = '0x18a3462427bcc9133bb46e88bcbe39cd7ef0e761'
keyring.wallets.push({
getAddress() {
return ethUtil.toBuffer(desiredOutput)
}
})
keyring.getAccounts()
.then((output) => {
assert.equal(output[0], desiredOutput)
assert.equal(output.length, 1)
done()
})
})
})
})
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