291 lines
8.4 KiB
JavaScript
291 lines
8.4 KiB
JavaScript
/* global describe, it */
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/* eslint-disable no-new */
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var assert = require('assert')
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var networks = require('../src/networks')
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var BigInteger = require('bigi')
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var ECKey = require('../src/eckey')
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var ECPubKey = require('../src/ecpubkey')
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var HDNode = require('../src/hdnode')
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var ecurve = require('ecurve')
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var curve = ecurve.getCurveByName('secp256k1')
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var fixtures = require('./fixtures/hdnode.json')
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describe('HDNode', function () {
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describe('Constructor', function () {
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var d = BigInteger.ONE
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var Q = curve.G.multiply(d)
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var chainCode = new Buffer(32)
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chainCode.fill(1)
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it('calculates the publicKey from a BigInteger', function () {
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var hd = new HDNode(d, chainCode)
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assert(hd.pubKey.Q.equals(Q))
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})
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it('allows initialization directly from an ECKey', function () {
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var ek = new ECKey(d)
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var hd = new HDNode(ek, chainCode)
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assert.equal(hd.privKey, ek)
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})
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it('allows initialization directly from an ECPubKey', function () {
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var ek = new ECPubKey(Q)
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var hd = new HDNode(ek, chainCode)
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assert.equal(hd.pubKey, ek)
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})
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it('throws if ECKey is not compressed', function () {
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var ek = new ECKey(d, false)
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assert.throws(function () {
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new HDNode(ek, chainCode)
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}, /ECKey must be compressed/)
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})
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it('throws if ECPubKey is not compressed', function () {
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var ek = new ECPubKey(Q, false)
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assert.throws(function () {
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new HDNode(ek, chainCode)
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}, /ECPubKey must be compressed/)
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})
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it('only uses compressed points', function () {
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var hd = new HDNode(Q, chainCode)
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var hdP = new HDNode(d, chainCode)
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assert.strictEqual(hd.pubKey.compressed, true)
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assert.strictEqual(hdP.pubKey.compressed, true)
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})
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it('has a default depth/index of 0', function () {
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var hd = new HDNode(Q, chainCode)
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assert.strictEqual(hd.depth, 0)
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assert.strictEqual(hd.index, 0)
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})
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it('defaults to the bitcoin network', function () {
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var hd = new HDNode(Q, chainCode)
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assert.equal(hd.network, networks.bitcoin)
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})
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it('supports alternative networks', function () {
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var hd = new HDNode(Q, chainCode, networks.testnet)
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assert.equal(hd.network, networks.testnet)
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})
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it('throws when an invalid length chain code is given', function () {
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assert.throws(function () {
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new HDNode(d, chainCode.slice(0, 20), networks.testnet)
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}, /Expected chainCode length of 32, got 20/)
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})
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it('throws when an unknown network is given', function () {
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assert.throws(function () {
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new HDNode(d, chainCode, {})
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}, /Unknown BIP32 constants for network/)
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})
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})
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describe('fromSeed*', function () {
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fixtures.valid.forEach(function (f) {
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it('calculates privKey and chainCode for ' + f.master.fingerprint, function () {
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var network = networks[f.network]
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var hd = HDNode.fromSeedHex(f.master.seed, network)
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assert.equal(hd.privKey.toWIF(network), f.master.wif)
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assert.equal(hd.chainCode.toString('hex'), f.master.chainCode)
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})
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})
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it('throws on low entropy seed', function () {
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assert.throws(function () {
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HDNode.fromSeedHex('ffffffffff')
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}, /Seed should be at least 128 bits/)
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})
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it('throws on too high entropy seed', function () {
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assert.throws(function () {
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HDNode.fromSeedHex('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff')
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}, /Seed should be at most 512 bits/)
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})
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})
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describe('toBase58', function () {
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fixtures.valid.forEach(function (f) {
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it('exports ' + f.master.base58 + ' (public) correctly', function () {
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var network = networks[f.network]
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var hd = HDNode.fromSeedHex(f.master.seed, network).neutered()
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assert.equal(hd.toBase58(), f.master.base58)
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})
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})
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fixtures.valid.forEach(function (f) {
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it('exports ' + f.master.base58Priv + ' (private) correctly', function () {
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var network = networks[f.network]
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var hd = HDNode.fromSeedHex(f.master.seed, network)
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assert.equal(hd.toBase58(), f.master.base58Priv)
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})
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})
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})
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describe('fromBase58', function () {
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fixtures.valid.forEach(function (f) {
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it('imports ' + f.master.base58 + ' (public) correctly', function () {
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var hd = HDNode.fromBase58(f.master.base58)
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assert.equal(hd.toBase58(), f.master.base58)
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})
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})
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fixtures.valid.forEach(function (f) {
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it('imports ' + f.master.base58Priv + ' (private) correctly', function () {
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var hd = HDNode.fromBase58(f.master.base58Priv)
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assert.equal(hd.toBase58(), f.master.base58Priv)
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})
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})
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fixtures.invalid.fromBase58.forEach(function (f) {
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it('throws on ' + f.string, function () {
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assert.throws(function () {
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var network = networks[f.network]
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HDNode.fromBase58(f.string, network)
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}, new RegExp(f.exception))
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})
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})
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})
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describe('getIdentifier', function () {
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var f = fixtures.valid[0]
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it('returns the identifier for ' + f.master.fingerprint, function () {
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var hd = HDNode.fromBase58(f.master.base58)
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assert.equal(hd.getIdentifier().toString('hex'), f.master.identifier)
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})
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})
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describe('getFingerprint', function () {
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var f = fixtures.valid[0]
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it('returns the fingerprint for ' + f.master.fingerprint, function () {
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var hd = HDNode.fromBase58(f.master.base58)
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assert.equal(hd.getFingerprint().toString('hex'), f.master.fingerprint)
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})
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})
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describe('getAddress', function () {
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fixtures.valid.forEach(function (f) {
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it('returns ' + f.master.address + ' for ' + f.master.fingerprint, function () {
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var hd = HDNode.fromBase58(f.master.base58)
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assert.equal(hd.getAddress().toString(), f.master.address)
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})
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})
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})
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describe('neutered', function () {
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var f = fixtures.valid[0]
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it('strips all private information', function () {
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var hd = HDNode.fromBase58(f.master.base58)
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var hdn = hd.neutered()
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assert.equal(hdn.privKey, undefined)
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assert.equal(hdn.pubKey.toHex(), hd.pubKey.toHex())
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assert.equal(hdn.chainCode, hd.chainCode)
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assert.equal(hdn.depth, hd.depth)
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assert.equal(hdn.index, hd.index)
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})
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})
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describe('derive', function () {
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function verifyVector (hd, network, v, depth) {
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assert.equal(hd.privKey.toWIF(network), v.wif)
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assert.equal(hd.pubKey.toHex(), v.pubKey)
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assert.equal(hd.chainCode.toString('hex'), v.chainCode)
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assert.equal(hd.depth, depth || 0)
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if (v.hardened) {
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assert.equal(hd.index, v.m + HDNode.HIGHEST_BIT)
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} else {
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assert.equal(hd.index, v.m)
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}
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}
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fixtures.valid.forEach(function (f) {
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var network = networks[f.network]
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var hd = HDNode.fromSeedHex(f.master.seed, network)
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// FIXME: test data is only testing Private -> private for now
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f.children.forEach(function (c, i) {
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it(c.description + ' from ' + f.master.fingerprint, function () {
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if (c.hardened) {
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hd = hd.deriveHardened(c.m)
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} else {
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hd = hd.derive(c.m)
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}
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verifyVector(hd, network, c, i + 1)
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})
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})
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})
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it('works for Private -> public (neutered)', function () {
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var f = fixtures.valid[1]
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var c = f.children[0]
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var master = HDNode.fromBase58(f.master.base58Priv)
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var child = master.derive(c.m).neutered()
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assert.equal(child.toBase58(), c.base58)
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})
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it('works for Private -> public (neutered, hardened)', function () {
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var f = fixtures.valid[0]
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var c = f.children[0]
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var master = HDNode.fromBase58(f.master.base58Priv)
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var child = master.deriveHardened(c.m).neutered()
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assert.equal(child.toBase58(), c.base58)
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})
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it('works for Public -> public', function () {
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var f = fixtures.valid[1]
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var c = f.children[0]
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var master = HDNode.fromBase58(f.master.base58)
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var child = master.derive(c.m)
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assert.equal(child.toBase58(), c.base58)
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})
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it('throws on Public -> public (hardened)', function () {
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var f = fixtures.valid[0]
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var c = f.children[0]
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var master = HDNode.fromBase58(f.master.base58)
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assert.throws(function () {
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master.deriveHardened(c.m)
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}, /Could not derive hardened child key/)
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})
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})
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})
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