Block Chain U Code Examples Week 1 Lecture 1

block-chain-u.js

var bitcoin = require('bitcoinjs-lib');
var Chain = require('chain-node');

var chain = new Chain({
  blockChain: "testnet3"
});

/*
 * key = bitcion.ECKey.makeRandom()
 * key.toWIF()
 * adr = key.pub.getAddress(bitcoin.networks.testnet).toString()
 */

var key = bitcoin.ECKey.fromWIF('L39adbxH2aiSzjx4vGz1BSouYiQSeDruXjSw93LFHDnGFwi9pqdD');

var tx = new bitcoin.TransactionBuilder();
tx.addInput("97eb9638ac8a841bf9bc2c530330a8cd20267e9eca85a57f496beb526587891d", 0);
tx.addOutput("myypZRZu9LWrG1VsEJCR5QkEZAf5TfcjHU", 10000000);
tx.sign(0, key);
var signedHex = tx.build().toHex();
console.log(signedHex);
  
chain.sendTransaction(signedHex, function(err, resp) {
  console.log(err);
  console.log(resp);
});