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add testnet bip49 example

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Ian Coleman 2017-08-06 08:28:59 +10:00 committed by Daniel Cousens
parent e7eaf776d7
commit bc3aef5a92
1 changed files with 17 additions and 0 deletions
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test/integration/bip32.js
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@ -49,6 +49,23 @@ describe('bitcoinjs-lib (BIP32)', function () {
assert.equal(child2.getAddress(), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au') 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 () { 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) { function recoverParent (master, child) {
assert(!master.keyPair.d, 'You already have the parent private key') assert(!master.keyPair.d, 'You already have the parent private key')