From 228a2c1879d37997f8c622f17b8ecc0716423e18 Mon Sep 17 00:00:00 2001
From: Daniel Cousens <github@dcousens.com>
Date: Tue, 3 Jan 2017 17:00:23 +1100
Subject: [PATCH] tests/README: add BIP32/BIP44 derivation examples
---
README.md | 2 ++
test/integration/bip32.js | 32 ++++++++++++++++++++++++++++++++
2 files changed, 34 insertions(+)
diff --git a/README.md b/README.md
index 32da609..e5713a7 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,8 @@ The below examples are implemented as integration tests, they should be very eas
- [Spend from a 2-of-4 multisig P2SH address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/multisig.js#L25)
- [Generate a single-key stealth address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/stealth.js)
- [Generate a dual-key stealth address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/stealth.js)
+- [Create a BIP32 wallet external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/bip32.js)
+- [Create a BIP44, bitcoin, account 0, external address](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/bip32.js)
- [Recover a BIP32 parent private key from the parent public key and a derived non-hardened child private key](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/bip32.js)
- [Recover a Private key from duplicate R values in a signature](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/crypto.js)
- [Create a CLTV locked transaction where the expiry is past](https://github.com/bitcoinjs/bitcoinjs-lib/blob/d853806/test/integration/cltv.js#L36)
diff --git a/test/integration/bip32.js b/test/integration/bip32.js
index 552c383..9f5b9a9 100644
--- a/test/integration/bip32.js
+++ b/test/integration/bip32.js
@@ -9,6 +9,38 @@ var ecurve = require('ecurve')
var secp256k1 = ecurve.getCurveByName('secp256k1')
describe('bitcoinjs-lib (BIP32)', function () {
+ it('can create a BIP32 wallet external address', function () {
+ var path = "m/0'/0/0"
+ var root = bitcoin.HDNode.fromSeedHex('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd')
+
+ var child1 = root.derivePath(path)
+
+ // option 2, manually
+ var child2 = root.deriveHardened(0)
+ .derive(0)
+ .derive(0)
+
+ assert.equal(child1.getAddress(), '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7')
+ assert.equal(child2.getAddress(), '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7')
+ })
+
+ it('can create a BIP44, bitcoin, account 0, external address', function () {
+ var path = "m/44'/0'/0'/0/0"
+ var root = bitcoin.HDNode.fromSeedHex('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd')
+
+ var child1 = root.derivePath(path)
+
+ // option 2, manually
+ var child2 = root.deriveHardened(44)
+ .deriveHardened(0)
+ .deriveHardened(0)
+ .derive(0)
+ .derive(0)
+
+ assert.equal(child1.getAddress(), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au')
+ assert.equal(child2.getAddress(), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au')
+ })
+
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')