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bitcoinjs-lib
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rm message module

hk-custom-address
Daniel Cousens 9 years ago
parent
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87cb018466
6 changed files with 4 additions and 210 deletions
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  1. 5
      README.md
  2. 1
      src/index.js
  3. 54
      src/message.js
  4. 4
      test/ecdsa.js
  5. 86
      test/fixtures/message.json
  6. 64
      test/message.js

5
README.md
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@ -103,8 +103,9 @@ The below examples are implemented as integration tests, they should be very eas
- [Generate a address and WIF for Litecoin](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L30)
- [Import an address via WIF](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L44)
- [Create a Transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L51)
- [Sign a Bitcoin message](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/advanced.js#L8)
- [Verify a Bitcoin message](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/advanced.js#L16)
- [Generate a address and WIF for Litecoin](https://github.com/bitcoin/bitcoinjs-lib/blob/master/test/integration/basic.js#L29)
- [Import an address via WIF](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L43)
- [Create a Transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/basic.js#L50)
- [Create an OP RETURN transaction](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/advanced.js#L24)
- [Create a 2-of-3 multisig P2SH address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/multisig.js#L9)
- [Spend from a 2-of-4 multisig P2SH address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/master/test/integration/multisig.js#L25)

1
src/index.js
View File

@ -9,7 +9,6 @@ module.exports = {
address: require('./address'),
bufferutils: require('./bufferutils'),
crypto: require('./crypto'),
message: require('./message'),
networks: require('./networks'),
opcodes: require('./opcodes.json'),
script: require('./script')

54
src/message.js
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@ -1,54 +0,0 @@
var bufferutils = require('./bufferutils')
var bcrypto = require('./crypto')
var ecdsa = require('./ecdsa')
var networks = require('./networks')
var BigInteger = require('bigi')
var ECPair = require('./ecpair')
var ECSignature = require('./ecsignature')
function magicHash (message, network) {
var messagePrefix = new Buffer(network.messagePrefix)
var messageBuffer = new Buffer(message)
var lengthBuffer = bufferutils.varIntBuffer(messageBuffer.length)
var buffer = Buffer.concat([messagePrefix, lengthBuffer, messageBuffer])
return bcrypto.hash256(buffer)
}
function sign (keyPair, message, network) {
network = network || networks.bitcoin
var hash = magicHash(message, network)
var signature = keyPair.sign(hash)
var e = BigInteger.fromBuffer(hash)
var i = ecdsa.calcPubKeyRecoveryParam(e, signature, keyPair.Q)
return signature.toCompact(i, keyPair.compressed)
}
function verify (address, signature, message, network) {
if (!Buffer.isBuffer(signature)) {
signature = new Buffer(signature, 'base64')
}
network = network || networks.bitcoin
var hash = magicHash(message, network)
var parsed = ECSignature.parseCompact(signature)
var e = BigInteger.fromBuffer(hash)
var Q = ecdsa.recoverPubKey(e, parsed.signature, parsed.i)
var keyPair = new ECPair(null, Q, {
compressed: parsed.compressed,
network: network
})
return keyPair.getAddress() === address
}
module.exports = {
magicHash: magicHash,
sign: sign,
verify: verify
}

4
test/ecdsa.js
View File

@ -3,8 +3,6 @@
var assert = require('assert')
var bcrypto = require('../src/crypto')
var ecdsa = require('../src/ecdsa')
var message = require('../src/message')
var networks = require('../src/networks')
var sinon = require('sinon')
var BigInteger = require('bigi')
@ -98,7 +96,7 @@ describe('ecdsa', function () {
})
describe('with i ∈ {0,1,2,3}', function () {
var hash = message.magicHash('1111', networks.bitcoin)
var hash = new Buffer('feef89995d7575f12d65ccc9d28ccaf7ab224c2e59dad4cc7f6a2b0708d24696', 'hex')
var e = BigInteger.fromBuffer(hash)
var signatureBuffer = new Buffer('INcvXVVEFyIfHLbDX+xoxlKFn3Wzj9g0UbhObXdMq+YMKC252o5RHFr0/cKdQe1WsBLUBi4morhgZ77obDJVuV0=', 'base64')

86
test/fixtures/message.json
View File

@ -1,86 +0,0 @@
{
"valid": {
"magicHash": [
{
"network": "bitcoin",
"message": "",
"magicHash": "80e795d4a4caadd7047af389d9f7f220562feb6196032e2131e10563352c4bcc"
},
{
"network": "bitcoin",
"message": "Vires is Numeris",
"magicHash": "f8a5affbef4a3241b19067aa694562f64f513310817297089a8929a930f4f933"
},
{
"network": "dogecoin",
"message": "Vires is Numeris",
"magicHash": "c0963d20d0accd0ea0df6c1020bf85a7e629a40e7b5363f2c3e9dcafd5638f12"
}
],
"verify": [
{
"message": "vires is numeris",
"network": "bitcoin",
"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM",
"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0=",
"compressed": {
"address": "1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs",
"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0="
}
},
{
"message": "vires is numeris",
"network": "dogecoin",
"address": "DFpN6QqFfUm3gKNaxN6tNcab1FArL9cZLE",
"signature": "H6k+dZwJ8oOei3PCSpdj603fDvhlhQ+sqaFNIDvo/bI+Xh6zyIKGzZpyud6YhZ1a5mcrwMVtTWL+VXq/hC5Zj7s="
}
],
"signing": [
{
"description": "gives equal r, s values irrespective of point compression",
"message": "vires is numeris",
"network": "bitcoin",
"d": "1",
"signature": "HF8nHqFr3K2UKYahhX3soVeoW8W1ECNbr0wfck7lzyXjCS5Q16Ek45zyBuy1Fiy9sTPKVgsqqOuPvbycuVSSVl8=",
"compressed": {
"signature": "IF8nHqFr3K2UKYahhX3soVeoW8W1ECNbr0wfck7lzyXjCS5Q16Ek45zyBuy1Fiy9sTPKVgsqqOuPvbycuVSSVl8="
}
},
{
"description": "supports alternative networks",
"message": "vires is numeris",
"network": "dogecoin",
"d": "1",
"signature": "G6k+dZwJ8oOei3PCSpdj603fDvhlhQ+sqaFNIDvo/bI+Xh6zyIKGzZpyud6YhZ1a5mcrwMVtTWL+VXq/hC5Zj7s="
}
]
},
"invalid": {
"verify": [
{
"description": "will fail for the wrong message",
"message": "foobar",
"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM",
"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0="
},
{
"description": "will fail for the wrong address",
"message": "vires is numeris",
"address": "1111111111111111111114oLvT2",
"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0="
},
{
"description": "does not cross verify (uncompressed address, compressed signature)",
"message": "vires is numeris",
"address": "16UwLL9Risc3QfPqBUvKofHmBQ7wMtjvM",
"signature": "H8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0="
},
{
"description": "does not cross verify (compressed address, uncompressed signature)",
"message": "vires is numeris",
"address": "1PMycacnJaSqwwJqjawXBErnLsZ7RkXUAs",
"signature": "G8JawPtQOrybrSP1WHQnQPr67B9S3qrxBrl1mlzoTJOSHEpmnF7D3+t+LX0Xei9J20B5AIdPbeL3AaTBZ4N3bY0="
}
]
}
}

64
test/message.js
View File

@ -1,64 +0,0 @@
/* global describe, it */
var assert = require('assert')
var message = require('../src/message')
var networks = require('../src/networks')
var BigInteger = require('bigi')
var ECPair = require('../src/ecpair')
var fixtures = require('./fixtures/message.json')
describe('message', function () {
describe('magicHash', function () {
fixtures.valid.magicHash.forEach(function (f) {
it('produces the correct magicHash for "' + f.message + '" (' + f.network + ')', function () {
var network = networks[f.network]
var actual = message.magicHash(f.message, network)
assert.strictEqual(actual.toString('hex'), f.magicHash)
})
})
})
describe('verify', function () {
fixtures.valid.verify.forEach(function (f) {
it('verifies a valid signature for "' + f.message + '" (' + f.network + ')', function () {
var network = networks[f.network]
assert(message.verify(f.address, f.signature, f.message, network))
if (f.compressed) {
assert(message.verify(f.compressed.address, f.compressed.signature, f.message, network))
}
})
})
fixtures.invalid.verify.forEach(function (f) {
it(f.description, function () {
assert(!message.verify(f.address, f.signature, f.message))
})
})
})
describe('signing', function () {
fixtures.valid.signing.forEach(function (f) {
it(f.description, function () {
var network = networks[f.network]
var keyPair = new ECPair(new BigInteger(f.d), null, {
compressed: false
})
var signature = message.sign(keyPair, f.message, network)
assert.strictEqual(signature.toString('base64'), f.signature)
if (f.compressed) {
var compressedPrivKey = new ECPair(new BigInteger(f.d))
var compressedSignature = message.sign(compressedPrivKey, f.message)
assert.strictEqual(compressedSignature.toString('base64'), f.compressed.signature)
}
})
})
})
})
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