O dinheiro em novo formato

README.md

O dinheiro em novo formato

1. Instalar Node.js
2. Rodar comando npm install
3. Enjoy!

Video: https://www.eventials.com/Globalcode/tdc-sp-2017-stadium-terca-3/?playlist=tdconline-sao-paulo-2017-stadium

Link da apresentação: https://docs.google.com/presentation/d/1CGb01uev7BGgKAZGxs_NgsBZ0pjRYMP-irvPBlMak-k/edit#slide=id.p

new-transaction.js

const Bitcore = require('bitcore-lib');

if (true) Bitcore.Networks.defaultNetwork = Bitcore.Networks.testnet;

var fromAddress = 'mrhcLBUaiNNu4icP4ytVw25iGuCJ73nMA3'
  , toAddress = 'mtsQKn4RWLzXJAndBMoUWUy5FGZ5XfbHUo'
  , amount = 1000000
  , changeAddress = 'mqgBjbyqVbSwBv1PHHYjKD5nsS1Bww5Mz3'
  , transactionFee = 1000000;

var Insight = require('bitcore-explorers').Insight
  , insight = new Insight()
  , privatekey = Bitcore.PrivateKey.fromString('2487f438d720ee741708f53815f5f90582d76501de414448e039e414728fca3c');

insight.getUnspentUtxos(fromAddress, function(err, utxos) {
  var transaction = new Bitcore.Transaction()
      .from(utxos)
      .to(toAddress, amount)
      .change(changeAddress)
      .fee(transactionFee)
      .sign(privatekey);

  var txSerialized = transaction.serialize();

  insight.broadcast(txSerialized, function(err, transactionHash) {
    if (err) {
      console.log(err);
    } else {
      console.log(transactionHash);
    }
  });
});

new-wallet.js

const Bitcore = require('bitcore-lib')
  , PrivateKey = Bitcore.PrivateKey;

if (true) Bitcore.Networks.defaultNetwork = Bitcore.Networks.testnet;

var privateKey = new PrivateKey()
  , publicKey = privateKey.toPublicKey()
  , address = publicKey.toAddress();

console.log('Private:', privateKey.toString());
console.log('Public address:', address.toString());

package.json

{
  "name": "money-in-new-format",
  "version": "1.0.0",
  "description": "",
  "keywords": "money, new, format, bitcoin, cryptocurrency",
  "main": "broadcast.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
  },
  "repository": {
    "type": "git",
    "url": "git+ssh://git@gist.github.com/daa4e4cb974257dac6536ee0ab542d41.git"
  },
  "author": "Anderson Juhasc",
  "license": "ISC",
  "bugs": {
    "url": "https://gist.github.com/daa4e4cb974257dac6536ee0ab542d41"
  },
  "homepage": "https://gist.github.com/daa4e4cb974257dac6536ee0ab542d41",
  "dependencies": {
    "bitcore-explorers": "^1.0.1"
  }
}