bitcoinjs-lib/test/message.js

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var assert = require('assert')
var ECKey = require('../src/eckey').ECKey
var Message = require('../').Message
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var network = require('../').network
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var fixtures = require('./fixtures/message')
describe('Message', function() {
var msg
beforeEach(function() {
msg = 'vires is numeris'
})
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describe('magicHash', function() {
it('matches the test vectors', function() {
fixtures.magicHash.forEach(function(f) {
var actual = Message.magicHash(f.message)
var expected = f.hash256
assert.equal(actual.toString('hex'), expected)
})
})
})
describe('verify', function() {
var addr, sig, caddr, csig
beforeEach(function() {
addr = '16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM' // uncompressed
caddr = '1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs' // compressed
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sig = new Buffer('1bc25ac0fb503abc9bad23f558742740fafaec1f52deaaf106b9759a5ce84c93921c4a669c5ec3dfeb7e2d7d177a2f49db407900874f6de2f701a4c16783776d8d', 'hex')
csig = new Buffer('1fc25ac0fb503abc9bad23f558742740fafaec1f52deaaf106b9759a5ce84c93921c4a669c5ec3dfeb7e2d7d177a2f49db407900874f6de2f701a4c16783776d8d', 'hex')
})
it('can verify a signed message', function() {
assert.ok(Message.verify(addr, sig, msg))
assert.ok(Message.verify(caddr, csig, msg))
})
it('will fail for the wrong message', function() {
assert.ok(!Message.verify(addr, sig, 'foobar'))
assert.ok(!Message.verify(caddr, csig, 'foobar'))
})
it('will fail for the wrong public key', function() {
assert.ok(!Message.verify('1MsHWS1BnwMc3tLE8G35UXsS58fKipzB7a', sig, msg))
assert.ok(!Message.verify('1Q1pE5vPGEEMqRcVRMbtBK842Y6Pzo6nK9', csig, msg))
})
it('supports alternate network addresses', function() {
var taddr = 'mxnQZKxSKjzaMgrdXzk35rif3u62TLDrg9'
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var tsig = new Buffer('IGucnrTku3KLCCHUMwq9anawfrlN8RK1HWMN+10LhsHJeysBdWfj5ohJcS/+oqrlVFNvEgbgEeAQUL6r3sZwnj8=', 'base64')
assert.ok(Message.verify(taddr, tsig, msg))
assert.ok(!Message.verify(taddr, tsig, 'foobar'))
})
it('does not cross verify (compressed/uncompressed)', function() {
assert.ok(!Message.verify(addr, csig, msg))
assert.ok(!Message.verify(caddr, sig, msg))
})
})
describe('signing', function() {
describe('using the uncompressed public key', function(){
it('gives same signature as a compressed public key', function() {
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var key = ECKey.makeRandom(false) // uncompressed
var sig = Message.sign(key, msg)
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var compressedKey = new ECKey(key.D, true) // compressed clone
var csig = Message.sign(compressedKey, msg)
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var addr = key.pub.getAddress()
var caddr = compressedKey.pub.getAddress()
assert.ok(Message.verify(addr, sig, msg))
assert.ok(Message.verify(caddr, csig, msg))
assert.notDeepEqual(sig.slice(0, 2), csig.slice(0, 2)) // unequal compression flags
assert.deepEqual(sig.slice(2), csig.slice(2)) // equal signatures
})
})
describe('testnet address', function(){
it('works', function(){
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var key = ECKey.makeRandom()
var sig = Message.sign(key, msg)
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var addr = key.pub.getAddress(network.testnet.pubKeyHash)
assert(Message.verify(addr, sig, msg))
})
})
})
})