bitcoinjs-lib/test/integration/bip32.js
2018-06-27 14:34:05 +10:00

104 lines
4.2 KiB
JavaScript

/* global describe, it */
const assert = require('assert')
const bip32 = require('bip32')
const bip39 = require('bip39')
const bitcoin = require('../../')
function getAddress (node, network) {
return bitcoin.payments.p2pkh({ pubkey: node.publicKey, network }).address
}
describe('bitcoinjs-lib (BIP32)', function () {
it('can import a BIP32 testnet xpriv and export to WIF', function () {
const xpriv = 'tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK'
const node = bip32.fromBase58(xpriv, bitcoin.networks.testnet)
assert.equal(node.toWIF(), 'cQfoY67cetFNunmBUX5wJiw3VNoYx3gG9U9CAofKE6BfiV1fSRw7')
})
it('can export a BIP32 xpriv, then import it', function () {
const mnemonic = 'praise you muffin lion enable neck grocery crumble super myself license ghost'
const seed = bip39.mnemonicToSeed(mnemonic)
const node = bip32.fromSeed(seed)
const string = node.toBase58()
const restored = bip32.fromBase58(string)
assert.equal(getAddress(node), getAddress(restored)) // same public key
assert.equal(node.toWIF(), restored.toWIF()) // same private key
})
it('can export a BIP32 xpub', function () {
const mnemonic = 'praise you muffin lion enable neck grocery crumble super myself license ghost'
const seed = bip39.mnemonicToSeed(mnemonic)
const node = bip32.fromSeed(seed)
const string = node.neutered().toBase58()
assert.equal(string, 'xpub661MyMwAqRbcGhVeaVfEBA25e3cP9DsJQZoE8iep5fZSxy3TnPBNBgWnMZx56oreNc48ZoTkQfatNJ9VWnQ7ZcLZcVStpaXLTeG8bGrzX3n')
})
it('can create a BIP32, bitcoin, account 0, external address', function () {
const path = "m/0'/0/0"
const root = bip32.fromSeed(Buffer.from('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'))
const child1 = root.derivePath(path)
// option 2, manually
const child1b = root.deriveHardened(0)
.derive(0)
.derive(0)
assert.equal(getAddress(child1), '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7')
assert.equal(getAddress(child1b), '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7')
})
it('can create a BIP44, bitcoin, account 0, external address', function () {
const root = bip32.fromSeed(Buffer.from('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'))
const child1 = root.derivePath("m/44'/0'/0'/0/0")
// option 2, manually
const child1b = root.deriveHardened(44)
.deriveHardened(0)
.deriveHardened(0)
.derive(0)
.derive(0)
assert.equal(getAddress(child1), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au')
assert.equal(getAddress(child1b), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au')
})
it('can create a BIP49, bitcoin testnet, account 0, external address', function () {
const mnemonic = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about'
const seed = bip39.mnemonicToSeed(mnemonic)
const root = bip32.fromSeed(seed)
const path = "m/49'/1'/0'/0/0"
const child = root.derivePath(path)
const keyhash = bitcoin.crypto.hash160(child.publicKey)
const scriptSig = bitcoin.script.witnessPubKeyHash.output.encode(keyhash)
const addressBytes = bitcoin.crypto.hash160(scriptSig)
const outputScript = bitcoin.script.scriptHash.output.encode(addressBytes)
const address = bitcoin.address.fromOutputScript(outputScript, bitcoin.networks.testnet)
assert.equal(address, '2Mww8dCYPUpKHofjgcXcBCEGmniw9CoaiD2')
})
it('can use BIP39 to generate BIP32 addresses', function () {
// var mnemonic = bip39.generateMnemonic()
const mnemonic = 'praise you muffin lion enable neck grocery crumble super myself license ghost'
assert(bip39.validateMnemonic(mnemonic))
const seed = bip39.mnemonicToSeed(mnemonic)
const root = bip32.fromSeed(seed)
// receive addresses
assert.strictEqual(getAddress(root.derivePath("m/0'/0/0")), '1AVQHbGuES57wD68AJi7Gcobc3RZrfYWTC')
assert.strictEqual(getAddress(root.derivePath("m/0'/0/1")), '1Ad6nsmqDzbQo5a822C9bkvAfrYv9mc1JL')
// change addresses
assert.strictEqual(getAddress(root.derivePath("m/0'/1/0")), '1349KVc5NgedaK7DvuD4xDFxL86QN1Hvdn')
assert.strictEqual(getAddress(root.derivePath("m/0'/1/1")), '1EAvj4edpsWcSer3duybAd4KiR4bCJW5J6')
})
})