var assert = require('assert') var networks = require('../src/networks') var HDWallet = require('../src/hdwallet') var fixtures = require('./fixtures/hdwallet.json') function b2h(buf) { assert(Buffer.isBuffer(buf)) return buf.toString('hex') } describe('HDWallet', function() { describe('toBase58', function() { it('reproduces input', function() { var input = 'xpub6D4BDPcP2GT577Vvch3R8wDkScZWzQzMMUm3PWbmWvVJrZwQY4VUNgqFJPMM3No2dFDFGTsxxpG5uJh7n7epu4trkrX7x7DogT5Uv6fcLW5' var output = HDWallet.fromBase58(input).toBase58(false) assert.equal(output, input) input = 'xprvA2JDeKCSNNZky6uBCviVfJSKyQ1mDYahRjijr5idH2WwLsEd4Hsb2Tyh8RfQMuPh7f7RtyzTtdrbdqqsunu5Mm3wDvUAKRHSC34sJ7in334' output = HDWallet.fromBase58(input).toBase58(true) assert.equal(output, input) }) it('fails with priv=true when theres no private key', function() { var hd = HDWallet.fromBase58('xpub6DF8uhdarytz3FWdA8TvFSvvAh8dP3283MY7p2V4SeE2wyWmG5mg5EwVvmdMVCQcoNJxGoWaU9DCWh89LojfZ537wTfunKau47EL2dhHKon') try { hd.toBase58(true) } catch(e) { assert(e.message.match(/private key/i)) return } assert.fail() }) }) describe('fromBase58', function() { fixtures.invalid.fromBase58.forEach(function(f) { it('throws on ' + f.string, function() { assert.throws(function() { HDWallet.fromBase58(f.string) }, new RegExp(f.exception)) }) }) }) describe('constructor & seed deserialization', function() { var expectedPrivateKey = '0fd71c652e847ba7ea7956e3cf3fc0a0985871846b1b2c23b9c6a29a38cee860' var seed = new Buffer([ 99, 114, 97, 122, 121, 32, 104, 111, 114, 115, 101, 32, 98, 97, 116, 116, 101, 114, 121, 32, 115, 116, 97, 112, 108, 101 ]) it('creates from binary seed', function() { var hd = new HDWallet(seed) assert.equal(hd.priv.D.toHex(), expectedPrivateKey) assert(hd.pub) }) describe('fromSeedHex', function() { it('creates from hex seed', function() { var hd = HDWallet.fromSeedHex(seed.toString('hex')) assert.equal(hd.priv.D.toHex(), expectedPrivateKey) assert(hd.pub) }) }) describe('fromBuffer', function() { it('fails for invalid parent fingerprint', function() { var buffer = new HDWallet(seed).toBuffer() buffer.writeUInt8(0x00, 4) buffer.writeUInt32BE(0xFFFFFFFF, 5) assert.throws(function() { HDWallet.fromBuffer(buffer) }, /Invalid parent fingerprint/) }) it('fails for invalid index', function() { var buffer = new HDWallet(seed).toBuffer() buffer.writeUInt32BE(0xFFFFFFFF, 9) assert.throws(function() { HDWallet.fromBuffer(buffer) }, /Invalid index/) }) it('fails for an invalid network type', function() { var buffer = new HDWallet(seed).toBuffer() buffer.writeUInt32BE(0x00000000, 0) assert.throws(function() { HDWallet.fromBuffer(buffer) }, /Could not find version 0/) }) }) }) describe('Test vectors', function() { function verifyVector(hd, v) { assert.equal(b2h(hd.getIdentifier()), v.identifier) assert.equal(b2h(hd.getFingerprint()), v.fingerprint) assert.equal(hd.getAddress().toString(), v.address) assert.equal(hd.priv.toWIF(), v.wif) assert.equal(hd.pub.toHex(), v.pubKey) assert.equal(b2h(hd.chaincode), v.chaincode) assert.equal(hd.toHex(false), v.hex) assert.equal(hd.toHex(true), v.hexPriv) assert.equal(hd.toBase58(false), v.base58) assert.equal(hd.toBase58(true), v.base58Priv) } it('matches the test vectors', function() { fixtures.valid.forEach(function(f) { var hd = HDWallet.fromSeedHex(f.master.seed) verifyVector(hd, f.master) f.children.forEach(function(c) { // FIXME: c.description could be shown if (c.mPriv != undefined) { hd = hd.derivePrivate(c.mPriv) } else { hd = hd.derive(c.m) } verifyVector(hd, c) }) }) }) }) describe('derive', function() { describe('m/0', function() { var wallet = HDWallet.fromBase58('xpub6CxuB8ifZCMXeS3KbyNkYvrsJEHqxedCSiUhrNwH1nKtb8hcJpxDbDxkdoVCTR2bQ1G8hY4UMv85gef9SEpgFFUftBjt37FUSZxVx4AU9Qh').derive(0) it('derives the correct public key', function() { assert.equal(wallet.pub.toHex(), '02df843e6ae2017e0772d0584f76f56b8f2f5181a3045c7a7740a9d86dc7c80ce7') }) it('derives the correct depth', function() { assert.equal(wallet.depth, 4) }) }) }) describe('network types', function() { var seed beforeEach(function() { seed = new Buffer('foobar') }) it('ensure that a bitcoin wallet is the default', function() { var wallet = new HDWallet(seed) assert.equal(wallet.network, networks.bitcoin) }) it('ensures that a bitcoin Wallet generates bitcoin addresses', function() { var wallet = new HDWallet(seed) var address = wallet.getAddress().toString() assert.equal(address, '17SnB9hyGwJPoKpLb9eVPHjsujyEuBpMAA') }) it('ensures that a testnet Wallet generates testnet addresses', function() { var wallet = new HDWallet(seed, networks.testnet) var address = wallet.getAddress().toString() assert.equal(address, 'mmxjUCnx5xjeaSHxJicsDCxCmjZwq8KTbv') }) it('throws an exception when unknown network type is passed in', function() { assert.throws(function() { new HDWallet(seed, {}) }, /Unknown BIP32 constants for network/) }) }) })