bitcoinjs-lib/test/eckey.js
2014-05-31 15:05:33 +10:00

93 lines
2.5 KiB
JavaScript

var assert = require('assert')
var crypto = require('../src/crypto')
var BigInteger = require('bigi')
var ECKey = require('../src/eckey')
var fixtures = require('./fixtures/eckey.json')
var networks = require('../src/networks')
describe('ECKey', function() {
describe('constructor', function() {
it('defaults to compressed', function() {
var privKey = new ECKey(BigInteger.ONE)
assert.equal(privKey.pub.compressed, true)
})
it('supports the uncompressed flag', function() {
var privKey = new ECKey(BigInteger.ONE, false)
assert.equal(privKey.pub.compressed, false)
})
fixtures.valid.forEach(function(f) {
it('calculates the matching pubKey for ' + f.D, function() {
var privKey = new ECKey(new BigInteger(f.D))
assert.equal(privKey.pub.Q.toString(), f.Q.toString())
})
})
fixtures.invalid.constructor.forEach(function(f) {
it('throws on ' + f.D, function() {
var D = new BigInteger(f.D)
assert.throws(function() {
new ECKey(D)
}, new RegExp(f.exception))
})
})
})
describe('fromWIF', function() {
fixtures.valid.forEach(function(f) {
f.WIFs.forEach(function(wif) {
it('imports ' + wif.string + ' correctly', function() {
var privKey = ECKey.fromWIF(wif.string)
assert.equal(privKey.D.toString(), f.D)
assert.equal(privKey.pub.compressed, wif.compressed)
})
})
})
fixtures.invalid.WIF.forEach(function(f) {
it('throws on ' + f.string, function() {
assert.throws(function() {
ECKey.fromWIF(f.string)
}, new RegExp(f.exception))
})
})
})
describe('toWIF', function() {
fixtures.valid.forEach(function(f) {
f.WIFs.forEach(function(wif) {
it('exports ' + wif.string + ' correctly', function() {
var privKey = ECKey.fromWIF(wif.string)
var version = networks[wif.network].wif
var result = privKey.toWIF(version)
assert.equal(result, wif.string)
})
})
})
})
describe('signing', function() {
var hash = crypto.sha256('Vires in numeris')
var priv = ECKey.makeRandom()
var signature = priv.sign(hash)
it('should verify against the public key', function() {
assert(priv.pub.verify(hash, signature))
})
it('should not verify against the wrong public key', function() {
var priv2 = ECKey.makeRandom()
assert(!priv2.pub.verify(hash, signature))
})
})
})