ObjSal

// SPDX-License-Identifier: MIT
pragma solidity >=0.4.22 <0.8.0;

contract AguilaCoin {

    uint256 private _totalSupply;

    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowed;

ObjSal

// Code snippet from Blockchain in Action
pragma solidity ^0.6.0;

contract AccountsDemo {
    address public whoDeposited;
    uint public depositAmount;
    uint public accountBalance;
    
    function deposit() public payable {
        whoDeposited = msg.sender;

ObjSal

// Author: Salvador Guerrero

'use strict'

const fs = require('fs')
const crypto = require('crypto')

// Third-Party Modules
const {MongoClient, ObjectId} = require('mongodb')
const jwt = require('jsonwebtoken')

ObjSal

// Author: Salvador Guerrero

'use strict'

const fs = require('fs')
const crypto = require('crypto')

// Project modules
const { CreateServer } = require('./server')
const SecurityUtils = require('./security-utils')

ObjSal

// Author: Salvador Guerrero

'use strict'

const fs = require('fs')

// Project modules
const { CreateServer } = require('./server')
const SecurityUtils = require('./security-utils')

ObjSal

// Author: Salvador Guerrero

'use strict'

// https://nodejs.org/api/zlib.html
const zlib = require('zlib')

const kGzip = 'gzip'
const kDeflate = 'deflate'
const kBr = 'br'

ObjSal

// Author: Salvador Guerrero

'use strict'

// https://nodejs.org/api/zlib.html
const zlib = require('zlib')

const kGzip = 'gzip'
const kDeflate = 'deflate'
const kBr = 'br'

ObjSal

// Author: Salvador Guerrero

const http = require('http');
const fs = require('fs')

// Third-party modules
const ftp = require("basic-ftp")
var {Base64Encode} = require('base64-stream')

let port = 3000

ObjSal

const http = require('http');
const fs = require('fs')

let port = 3000

http.createServer((req, response) => {
  /**
   * `/` loads index.html
   */
  if (req.url == '/' && req.method.toLowerCase() == 'get') {

ObjSal

// I created this script as a playground when learning node.js
// The Majority of examples are grabbed from https://nodejs.dev/

/**
 * Make this server reacheable by the world.
 * Install ngrok and type `ngrok PORT` and the PORT you want is exposed to the 
 * internet. You will get a ngrok.io domain, but with a paid subscription you 
 * can get a custom URL as well as more security options.
 * 
 * Another service you can use is https://github.com/localtunnel/localtunnel