/// import cs = require('coinstring') var privateKeyHex = "1184cd2cdd640ca42cfc3a091c51d549b2f016d454b2774019c2b2d2e08529fd" var privateKeyHexBuf = new Buffer(privateKeyHex, 'hex') var version = 0x80; //Bitcoin private key console.log(cs.encode(privateKeyHexBuf, version)) // => 5Hx15HFGyep2CfPxsJKe2fXJsCVn5DEiyoeGGF6JZjGbTRnqfiD var hash160 = "3c176e659bea0f29a3e9bf7880c112b1b31b4dc8" //hash representing uncompressed var hash160Buf = new Buffer(hash160, 'hex') var version = 0x00; //Bitcoin public address console.log(cs.encode(hash160Buf, version)); // => 16UjcYNBG9GTK4uq2f7yYEbuifqCzoLMGS var privateKeyHex = "1184cd2cdd640ca42cfc3a091c51d549b2f016d454b2774019c2b2d2e08529fd" //for compressed, append "01" privateKeyHex += '01' var privateKeyHexBuf = new Buffer(privateKeyHex, 'hex') var version = 0x80 //Bitcoin private key console.log(cs.encode(privateKeyHexBuf, version)) // => KwomKti1X3tYJUUMb1TGSM2mrZk1wb1aHisUNHCQXTZq5auC2qc3 var hash160 = "3c176e659bea0f29a3e9bf7880c112b1b31b4dc8" //hash representing uncompressed var hash160Buf = new Buffer(hash160, 'hex') var version = 0x1E //Dogecoin public address console.log(cs.encode(hash160Buf, version)) // => DAcq9oJpZZAjr56RmF7Y5zmWboZWQ4HAsW var data = "000000000000000000873dff81c02f525623fd1fe5167eac3a55a049de3d314bb42ee227ffed37d50800e8f32e723decf4051aefac8e2c93c9c5b214313817cdb01a1494b917c8436b35" var buffer = new Buffer(data, 'hex') var versionBuffer = new Buffer('0488ade4', 'hex') //0488ade4 is a consant listed in the aforementioned bip32 wiki. console.log(cs.encode(buffer, versionBuffer)) // => xprv9s21ZrQH143K3QTDL4LXw2F7HEK3wJUD2nW2nRk4stbPy6cq3jPPqjiChkVvvNKmPGJxWUtg6LnF5kejMRNNU3TGtRBeJgk33yuGBxrMPHi var privateKeyHex = "1184cd2cdd640ca42cfc3a091c51d549b2f016d454b2774019c2b2d2e08529fd"; var privateKeyHexBuf = new Buffer(privateKeyHex, 'hex') var version = 0x80 //Bitcoin private key var toBtcWif = cs.createEncoder(version) //later in your program console.log(toBtcWif(privateKeyHexBuf)) // => 5Hx15HFGyep2CfPxsJKe2fXJsCVn5DEiyoeGGF6JZjGbTRnqfiD var wif = "5Hx15HFGyep2CfPxsJKe2fXJsCVn5DEiyoeGGF6JZjGbTRnqfiD" var version = 0x80 //Bitcoin private key var fromBtcWif = cs.createDecoder(version) var hash160 = "3c176e659bea0f29a3e9bf7880c112b1b31b4dc8" //hash representing uncompressed var hash160Buf = new Buffer(hash160, 'hex') var version = 0x6F //Bitcoin Testnet Address var testnetAddressValidator = cs.createValidator(version) console.log(testnetAddressValidator("mkzgubTA5Ahi6BPSkE6MN9pEafRutznkMe")) // => true