lludlow / hushjs

Dead easy to use Zencash JavaScript based library

zencashjs

Dead simple and easy to use JavaScript based ZenCASH library. Inspired by pybitcointools

Getting started (Dev)

git clone https://github.com/kendricktan/zencashjs.git
cd zencashjs
yarn install
yarn watch-build

# Dev flow
flow status
yarn build
yarn test

Example usage (Transparent address)

var zencash = require('zencashjs')

var priv = zencashjs.address.mkPrivKey('chris p. bacon, defender of the guardians')
// 2c3a48576fe6e8a466e78cd2957c9dc62128135540bbea0685d7c4a23ea35a6c

var privWIF = zencashjs.address.privKeyToWIF(priv)
// 5J9mKPd531Tk4A73kKp4iowoi6EvhEp8QSMAVzrZhuzZkdpYbK8

var pubKey = zencashjs.address.privKeyToPubKey(priv)
// 048a789e0910b6aa314f63d2cc666bd44fa4b71d7397cb5466902dc594c1a0a0d2e4d234528ff87b83f971ab2b12cd2939ff33c7846716827a5b0e8233049d8aad

var zAddr = zencashjs.address.pubKeyToAddr(pubKey)
// znkz4JE6Y4m8xWoo4ryTnpxwBT5F7vFDgNf

// To create and sign a raw transaction at BLOCKHEIGHT and BLOCKHASH
const blockHeight = 142091
const blockHash = '00000001cf4e27ce1dd8028408ed0a48edd445ba388170c9468ba0d42fff3052'

var txobj = zencashjs.transaction.createRawTx(
  [{
      txid: '196173ec34d22a52cc689a21d01dd33b633671cbe1141e7e66240c7f3b4ccf7b', vout: 0,
      scriptPubKey: '76a914da46f44467949ac9321b16402c32bbeede5e3e5f88ac20ebd78933082d25d56a47d471ee5d57793454cf3d2787f77c21f9964b02000000034f2902b4'
  }],
  [{address: 'znkz4JE6Y4m8xWoo4ryTnpxwBT5F7vFDgNf', satoshis: 100000}],
  blockHeight,
  blockHash
)
// zencashjs.transaction.serializeTx(txobj)
// 01000000019dd5ae887ce5e354c4cabe75230a439b03e494f36c5e7726cb7385f892a304270000000000ffffffff01a0860100000000003f76a914da46f44467949ac9321b16402c32bbeede5e3e5f88ac205230ff2fd4a08b46c9708138ba45d4ed480aed088402d81dce274ecf01000000030b2b02b400000000

var tx0 = zencashjs.transaction.signTx(txobj, 0, '2c3a48576fe6e8a466e78cd2957c9dc62128135540bbea0685d7c4a23ea35a6c')
// zencashjs.transaction.serializeTx(tx0)
// 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

// You can now do zen-cli sendrawtransaction `SERIALIZED_TRANSACTION`

Example usage (Private address)

var zencashjs = require('zencashjs')

var z_secretKey = zencashjs.zaddress.mkZSecretKey('Z pigs likes to snooze. ZZZZ')
// 0c10a61a669bc4a51000c4c74ff58c151912889891089f7bae5e4994a73af7a8

// Spending key (this is what you import into your wallet)
var spendingKey = zencashjs.zaddress.zSecretKeyToSpendingKey(z_secretKey)
// SKxtHJsneoLByrwME9Nh4cd4AvYLNK9jJkAnB3AHNW794udD1qpx

// Paying key
var a_pk = zencashjs.zaddress.zSecretKeyToPayingKey(z_secretKey)
// 927a3819627247c0dd39102ec5449fc6fc952e242aad08615df9f26718912e27

// Transmission key
var pk_enc = zencashjs.zaddress.zSecretKeyToTransmissionKey(z_secretKey)
// 22d666c34ababacf6a9a4a752cc7870b505b64e85638aa45d23ac32992397960

var Zaddress = zencashjs.zaddress.mkZAddress(a_pk, pk_enc)
// zcTPZR8Hqz2ZcStwMJju9L4VBHW7YWmNyL6tDAT4eVmzmxLaG7h4QmqUXfmrjz8twizH4piDGiRYJRZ1bhHhT5gFL6TKsQZ