300 lines
8.7 KiB
JavaScript
300 lines
8.7 KiB
JavaScript
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 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('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 an exception 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 hd = HDNode.fromSeedHex(f.master.seed)
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assert.equal(hd.privKey.toWIF(), 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 hd = HDNode.fromSeedHex(f.master.seed)
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assert.equal(hd.toBase58(false), 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 hd = HDNode.fromSeedHex(f.master.seed)
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assert.equal(hd.toBase58(true), f.master.base58Priv)
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})
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})
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it('fails when there is no private key', function() {
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var hd = HDNode.fromBase58(fixtures.valid[0].master.base58)
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assert.throws(function() {
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hd.toBase58(true)
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}, /Missing private key/)
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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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HDNode.fromBase58(f.string)
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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('fromBuffer/fromHex', function() {
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fixtures.valid.forEach(function(f) {
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it('imports ' + f.master.hex + ' (public) correctly', function() {
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var hd = HDNode.fromHex(f.master.hex)
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assert.equal(hd.toBuffer().toString('hex'), f.master.hex)
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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.hexPriv + ' (private) correctly', function() {
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var hd = HDNode.fromHex(f.master.hexPriv)
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assert.equal(hd.toBuffer().toString('hex'), f.master.hexPriv)
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})
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})
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fixtures.invalid.fromBuffer.forEach(function(f) {
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it('throws on ' + f.hex, function() {
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assert.throws(function() {
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HDNode.fromHex(f.hex)
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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('toBuffer/toHex', function() {
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fixtures.valid.forEach(function(f) {
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it('exports ' + f.master.hex + ' (public) correctly', function() {
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var hd = HDNode.fromSeedHex(f.master.seed)
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assert.equal(hd.toHex(false), f.master.hex)
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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.hexPriv + ' (private) correctly', function() {
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var hd = HDNode.fromSeedHex(f.master.seed)
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assert.equal(hd.toHex(true), f.master.hexPriv)
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})
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})
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it('fails when there is no private key', function() {
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var hd = HDNode.fromHex(fixtures.valid[0].master.hex)
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assert.throws(function() {
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hd.toHex(true)
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}, /Missing private key/)
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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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var f = fixtures.valid[0]
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it('returns the Address (pubHash) 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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it('supports alternative networks', function() {
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var hd = HDNode.fromBase58(f.master.base58)
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hd.network = networks.testnet
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assert.equal(hd.getAddress().version, networks.testnet.pubKeyHash)
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})
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})
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describe('derive', function() {
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function verifyVector(hd, v, depth) {
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assert.equal(hd.privKey.toWIF(), 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, j) {
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var hd = HDNode.fromSeedHex(f.master.seed)
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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, 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 parentNode = HDNode.fromBase58(f.master.base58Priv)
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var child = parentNode.derive(c.m)
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// FIXME: N(CKDpriv((kpar, cpar), i)), could be done better...
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var childNeutered = HDNode.fromBase58(child.toBase58(false)) // neuter
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assert.equal(childNeutered.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 parentNode = HDNode.fromBase58(f.master.base58Priv)
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var child = parentNode.deriveHardened(c.m)
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// FIXME: N(CKDpriv((kpar, cpar), i)), could be done better...
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var childNeutered = HDNode.fromBase58(child.toBase58(false)) // neuter
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assert.equal(childNeutered.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 parentNode = HDNode.fromBase58(f.master.base58)
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var child = parentNode.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 parentNode = HDNode.fromBase58(f.master.base58)
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assert.throws(function() {
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parentNode.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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