fcoin/test/hd-test.js
2017-08-09 15:28:03 -07:00

129 lines
4.0 KiB
JavaScript

/* eslint-env mocha */
/* eslint prefer-arrow-callback: "off" */
'use strict';
const assert = require('assert');
const HD = require('../lib/hd');
const base58 = require('../lib/utils/base58');
const pbkdf2 = require('../lib/crypto/pbkdf2');
const vectors = require('./data/hd.json');
const vector1 = vectors.vector1;
const vector2 = vectors.vector2;
let master = null;
let child = null;
function unbase58(data) {
return base58.decode(data).toString('hex');
}
function base58Equal(a, b) {
assert.strictEqual(a, b);
assert.strictEqual(unbase58(a), unbase58(b));
}
describe('HD', function() {
it('should create a pbkdf2 seed', () => {
const seed = pbkdf2.derive(
vectors.phrase, 'mnemonicfoo', 2048, 64, 'sha512');
assert.strictEqual(seed.toString('hex'), vectors.seed);
});
it('should create master private key', () => {
const seed = Buffer.from(vectors.seed, 'hex');
const key = HD.PrivateKey.fromSeed(seed);
assert.strictEqual(key.toBase58(), vectors.master_priv);
assert.strictEqual(key.toPublic().toBase58(), vectors.master_pub);
master = key;
});
it('should derive(0) child from master', () => {
const child1 = master.derive(0);
assert.strictEqual(child1.toBase58(), vectors.child1_priv);
assert.strictEqual(child1.toPublic().toBase58(), vectors.child1_pub);
});
it('should derive(1) child from master public key', () => {
const child2 = master.toPublic().derive(1);
assert.strictEqual(child2.toBase58(), vectors.child2_pub);
});
it('should derive(1) child from master', () => {
const child3 = master.derive(1);
assert.strictEqual(child3.toBase58(), vectors.child3_priv);
assert.strictEqual(child3.toPublic().toBase58(), vectors.child3_pub);
});
it('should derive(2) child from master', () => {
const child4 = master.derive(2);
assert.strictEqual(child4.toBase58(), vectors.child4_priv);
assert.strictEqual(child4.toPublic().toBase58(), vectors.child4_pub);
child = child4;
});
it('should derive(0) child from child(2)', () => {
const child5 = child.derive(0);
assert.strictEqual(child5.toBase58(), vectors.child5_priv);
assert.strictEqual(child5.toPublic().toBase58(), vectors.child5_pub);
});
it('should derive(1) child from child(2)', () => {
const child6 = child.derive(1);
assert.strictEqual(child6.toBase58(), vectors.child6_priv);
assert.strictEqual(child6.toPublic().toBase58(), vectors.child6_pub);
});
it('should derive correctly when private key has leading zeros', () => {
const key = HD.PrivateKey.fromBase58(vectors.zero_priv);
assert.strictEqual(key.privateKey.toString('hex'),
'00000055378cf5fafb56c711c674143f9b0ee82ab0ba2924f19b64f5ae7cdbfd');
const child = key.derivePath('m/44\'/0\'/0\'/0/0\'');
assert.strictEqual(child.privateKey.toString('hex'),
'3348069561d2a0fb925e74bf198762acc47dce7db27372257d2d959a9e6f8aeb');
});
it('should deserialize master private key', () => {
HD.PrivateKey.fromBase58(master.toBase58());
});
it('should deserialize master public key', () => {
HD.PublicKey.fromBase58(master.toPublic().toBase58());
});
it('should deserialize and reserialize', () => {
const key = HD.generate();
assert.strictEqual(HD.fromJSON(key.toJSON()).toBase58(), key.toBase58());
});
for (const vector of [vector1, vector2]) {
let master = null;
it('should create from a seed', () => {
const key = HD.PrivateKey.fromSeed(Buffer.from(vector.seed, 'hex'));
const pub = key.toPublic();
base58Equal(key.toBase58(), vector.m.prv);
base58Equal(pub.toBase58(), vector.m.pub);
master = key;
});
for (const path of Object.keys(vector)) {
const kp = vector[path];
if (path === 'seed' || path === 'm')
return;
it(`should derive ${path} from master`, () => {
const key = master.derivePath(path);
const pub = key.toPublic();
base58Equal(key.toBase58(), kp.prv);
base58Equal(pub.toBase58(), kp.pub);
});
}
}
});