From bc3aef5a924da891847f3962f7b921e720694b6a Mon Sep 17 00:00:00 2001
From: Ian Coleman <coleman.ian@gmail.com>
Date: Sun, 6 Aug 2017 08:28:59 +1000
Subject: [PATCH] add testnet bip49 example
---
test/integration/bip32.js | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/test/integration/bip32.js b/test/integration/bip32.js
index dd700c9..c697343 100644
--- a/test/integration/bip32.js
+++ b/test/integration/bip32.js
@@ -49,6 +49,23 @@ describe('bitcoinjs-lib (BIP32)', function () {
assert.equal(child2.getAddress(), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au')
})
+ it('can create a BIP49, bitcoin testnet, account 0, external address', function () {
+ var mnemonic = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about'
+ var seed = bip39.mnemonicToSeed(mnemonic)
+ var root = bitcoin.HDNode.fromSeedBuffer(seed)
+
+ var path = "m/49'/1'/0'/0/0"
+ var child = root.derivePath(path)
+
+ var keyhash = bitcoin.crypto.hash160(child.getPublicKeyBuffer())
+ var scriptSig = bitcoin.script.witnessPubKeyHash.output.encode(keyhash)
+ var addressBytes = bitcoin.crypto.hash160(scriptSig)
+ var outputScript = bitcoin.script.scriptHash.output.encode(addressBytes)
+ var address = bitcoin.address.fromOutputScript(outputScript, bitcoin.networks.testnet)
+
+ assert.equal(address, '2Mww8dCYPUpKHofjgcXcBCEGmniw9CoaiD2')
+ })
+
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')