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tests/README: add BIP32/BIP44 derivation examples

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Daniel Cousens 2017-01-03 17:00:23 +11:00 • committed by Daniel Cousens
parent 3635a9f078
commit 228a2c1879
2 changed files with 34 additions and 0 deletions
test/integration
bip32.js

32
test/integration/bip32.js
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@ -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')