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(); }