Anderson-Juhasc

const bitcoin = require('bitcoinjs-lib');
const EC = require('elliptic').ec;
const ec = new EC('secp256k1');

// Generate a random private key
const privateKey = ec.genKeyPair().getPrivate('hex');

// Convert the private key to a BitcoinJS keypair
const keyPair = bitcoin.ECPair.fromPrivateKey(Buffer.from(privateKey, 'hex'));

Anderson-Juhasc

const { ECPairFactory } = require('ecpair')
const bitcoin = require('bitcoinjs-lib')
const ecurve = require('ecurve')
const secp256k1 = ecurve.getCurveByName('secp256k1')
const schnorr = require('bip-schnorr')
const { bech32, bech32m } = require('bech32')

const bip38 = require('bip38')
const wif = require('wif')

Anderson-Juhasc

module.exports = {
  NETWORKS: {
    dogecoin: {
      messagePrefix: '\x19Dogecoin Signed Message:\n',
      bip32: {
        public: 0x02facafd,
        private: 0x02fac398
      },
      pubKeyHash: 0x1e,
      scriptHash: 0x16,

Anderson-Juhasc

const bjs = require('bitcoinjs-lib')
    , b58 = require('bs58check')

function BIP84(pub) {
  // mainnet
  this.pub_types = [
	'04b24746', // zpub
	'02aa7ed3', // Zpub
  ]

Anderson-Juhasc

const isImage = (name, msg, req) => {
  let proof = typeof req.files[name] !== "undefined" ? req.files[name] : undefined;

  if (!proof) {
    throw new Error(msg)
  }

  switch (proof.type) {
    case 'image/jpeg':
      return 'image/jpeg';

Anderson-Juhasc

$breakpoints: "palm" "(max-width: 480px)", "lap" "(min-width: 481px)", "portable" "(max-width: 1023px)", "desk" "(min-width: 1024px)", "desk-wide" "(min-width: 1200px)" !default

=media-query($media-query)
  $breakpoint-found: false
  @each $breakpoint in $breakpoints
    $name: nth($breakpoint, 1)
    $declaration: nth($breakpoint, 2)
    @if $media-query == $name and $declaration
      $breakpoint-found: true
      @media only screen and #{$declaration}

Anderson-Juhasc

const find = ( Model ) => ( query, sort = {} ) =>
  Model.find({}).or( query ).sort( sort ).exec()

const findOne = ( Model ) => ( query, populate = '' ) =>
  Model.findOne( query ).populate( populate ).exec()

const count = ( Model ) => ( query ) =>
  Model.count( query ).exec()

const save = ( Model ) =>

Anderson-Juhasc

- Textos, imagens e css da landing page
- Página de contato
- Página de Termos
- Criar página no g+
- Upload de fotos em perfil
- Validar todos os formulários
- Módulo de envio de emails
- 

Anderson-Juhasc

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

Anderson-Juhasc

function carregarLocalizacao(dest) {
    navigator.geolocation.getCurrentPosition(showpos, error, options);

    function showpos(position) {
        var   lat = position.coords.latitude
            , lng = position.coords.longitude;

        console.log(lat + " " + lng);

        location.href = 'https://maps.google.com/maps?saddr=' + lat + ',' + lng + '&daddr=' + dest;