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HierarchicalKey.js
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var run = function() {
bitcore = typeof(bitcore) === 'undefined' ? require('../bitcore') : bitcore;
var HierarchicalKey = bitcore.HierarchicalKey;
var Address = bitcore.Address;
var networks = bitcore.networks;
var coinUtil = bitcore.util;
var crypto = require('crypto');
console.log('HierarchicalKey: Hierarchical Deterministic Wallets (BIP32)');
console.log('https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki\n');
console.log('1) Make new hkey from randomly generated new seed');
var randomBytes = crypto.randomBytes(32);
var hkey = HierarchicalKey.seed(randomBytes);
console.log('master extended private key: ' + hkey.extendedPrivateKeyString());
console.log('master extended public key: ' + hkey.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: ' + hkey.derive('m/0/3/5').extendedPrivateKeyString());
console.log('m/0/3/5 extended public key: ' + hkey.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('2) Make new hkey from known seed');
var knownBytes = coinUtil.sha256('do not use this password as a brain wallet');
var hkey = HierarchicalKey.seed(knownBytes);
console.log('master extended private key: ' + hkey.extendedPrivateKeyString());
console.log('master extended public key: ' + hkey.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: ' + hkey.derive('m/0/3/5').extendedPrivateKeyString());
console.log('m/0/3/5 extended public key: ' + hkey.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('3) Make new hkey from known master private key');
var knownMasterPrivateKey = 'xprv9s21ZrQH143K2LvayFZWVVTomiDKheKWvnupDB8fmjKwxkKG47uvzmFa3vCXoy9fxPJhRYsU19apVfexvMeLpJQuF2XtX1zRF3eao9GqqaQ';
var hkey = new HierarchicalKey(knownMasterPrivateKey);
console.log('master extended private key: ' + hkey.extendedPrivateKeyString());
console.log('master extended public key: ' + hkey.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: ' + hkey.derive('m/0/3/5').extendedPrivateKeyString());
console.log('m/0/3/5 extended public key: ' + hkey.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('4) Make new hkey from known master public key');
var knownMasterPublicKey = 'xpub661MyMwAqRbcGpiFufipqsKKBG1NHNwfJKishAEFNqJ6ryLcKeKyFNEZces7gMWd4XGg4uUhXy8DS64o1oPGUECVHeLq957Txjwagxt475H';
var hkey = new HierarchicalKey(knownMasterPublicKey);
console.log('master extended private key: cannot derive');
console.log('master extended public key: ' + hkey.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: cannot derive');
console.log('m/0/3/5 extended public key: ' + hkey.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('5) Make new hkey from known derived public key');
var knownPublicKey = 'xpub6CZei1p2zk68UwkcBDqzRonLHJWAiPZZ58sMgHJAn9fmpmnPayVEAvAs3XvTSUMZ1J8dNaxnv4wnt7YpRKr6BsqeWbW8msqeuuhiSzsQEC3';
var hkey = new HierarchicalKey(knownPublicKey);
console.log('master extended private key: cannot derive');
console.log('master extended public key: ' + hkey.extendedPublicKeyString());
console.log('m/0/3/5 extended private key: cannot derive');
console.log('m/0/3/5 extended public key: ' + hkey.derive('m/0/3/5').extendedPublicKeyString());
console.log();
console.log('6) Make a bunch of new addresses from known public key');
var knownPublicKey = 'xpub6CZei1p2zk68UwkcBDqzRonLHJWAiPZZ58sMgHJAn9fmpmnPayVEAvAs3XvTSUMZ1J8dNaxnv4wnt7YpRKr6BsqeWbW8msqeuuhiSzsQEC3';
var hkey = new HierarchicalKey(knownPublicKey);
console.log('m/0 address: ' + Address.fromPubKey(hkey.derive('m/0').eckey.public).toString());
//console.log('m/1 extended public key: ' + hkey.derive('m/1').extendedPublicKeyString());
console.log('m/1 address: ' + Address.fromPubKey(hkey.derive('m/1').eckey.public).toString());
//console.log('m/2 extended public key: ' + hkey.derive('m/2').extendedPublicKeyString());
console.log('m/2 address: ' + Address.fromPubKey(hkey.derive('m/2').eckey.public).toString());
//console.log('m/3 extended public key: ' + hkey.derive('m/3').extendedPublicKeyString());
console.log('m/3 address: ' + Address.fromPubKey(hkey.derive('m/3').eckey.public).toString());
console.log('...');
//console.log('m/100 extended public key: ' + hkey.derive('m/100').extendedPublicKeyString());
console.log('m/100 address: ' + Address.fromPubKey(hkey.derive('m/100').eckey.public).toString());
console.log();
};
// This is just for browser & mocha compatibility
if (typeof module !== 'undefined') {
module.exports.run = run;
if (require.main === module) {
run();
}
} else {
run();
}