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rm HDNode, use bip32 module

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This commit is contained in:
Daniel Cousens 2018-05-15 22:17:46 +10:00
parent 1bd10dc979
commit 884f3fd57d
8 changed files with 47 additions and 1083 deletions
test/integration
crypto.js

28
test/integration/crypto.js
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@ -3,7 +3,9 @@
var assert = require('assert')
var bigi = require('bigi')
var bitcoin = require('../../')
var bip32 = require('bip32')
var crypto = require('crypto')
var tinysecp = require('tiny-secp256k1')
var ecurve = require('ecurve')
var secp256k1 = ecurve.getCurveByName('secp256k1')
@ -68,35 +70,31 @@ describe('bitcoinjs-lib (crypto)', function () {
it('can recover a BIP32 parent private key from the parent public key, and a derived, non-hardened child private key', function () {
function recoverParent (master, child) {
assert(!master.keyPair.d, 'You already have the parent private key')
assert(child.keyPair.d, 'Missing child private key')
assert(master.isNeutered(), 'You already have the parent private key')
assert(!child.isNeutered(), 'Missing child private key')
var curve = secp256k1
var QP = master.keyPair.Q
var serQP = master.keyPair.getPublicKeyBuffer()
var d1 = child.keyPair.d
var serQP = master.publicKey
var d1 = child.privateKey
var d2
var data = Buffer.alloc(37)
serQP.copy(data, 0)
// search index space until we find it
for (var i = 0; i < bitcoin.HDNode.HIGHEST_BIT; ++i) {
for (var i = 0; i < 0x80000000; ++i) {
data.writeUInt32BE(i, 33)
// calculate I
var I = crypto.createHmac('sha512', master.chainCode).update(data).digest()
var IL = I.slice(0, 32)
var pIL = bigi.fromBuffer(IL)
// See hdnode.js:273 to understand
d2 = d1.subtract(pIL).mod(curve.n)
// See bip32.js:273 to understand
d2 = tinysecp.privateSub(d1, IL)
var Qp = new bitcoin.ECPair(d2).Q
if (Qp.equals(QP)) break
var Qp = bip32.fromPrivateKey(d2, Buffer.alloc(32, 0)).publicKey
if (Qp.equals(serQP)) break
}
var node = new bitcoin.HDNode(new bitcoin.ECPair(d2), master.chainCode, master.network)
var node = bip32.fromPrivateKey(d2, master.chainCode, master.network)
node.depth = master.depth
node.index = master.index
node.masterFingerprint = master.masterFingerprint
@ -104,7 +102,7 @@ describe('bitcoinjs-lib (crypto)', function () {
}
var seed = crypto.randomBytes(32)
var master = bitcoin.HDNode.fromSeedBuffer(seed)
var master = bip32.fromSeed(seed)
var child = master.derive(6) // m/6
// now for the recovery