Cryptocurrency Mining Profitability Helper

mining_profitability.js

// Set the coins you mine:
// name: coin name as it appears in whattomine API response
// command: full path of the executable you want to run for that coin
// args: array of args to be passed to the command
const config = [
  {
    name: 'Electroneum',
    command: 'C:\\Users\\SomePath\\xmr-stak-cpu-win64-electroneum\\xmr-stak-cpu\\xmr-stak-cpu.exe',
    args: ['C:\\Users\\Mike\\DownloadsSomePath\\xmr-stak-cpu-win64-electroneum\\xmr-stak-cpu\\config.txt'],
  },
  {
    name: 'Sumokoin',
    command: 'C:\\Users\\SomePath\\xmr-stak-cpu-win64-sumo\\xmr-stak-cpu\\xmr-stak-cpu.exe',
    args: ['C:\\Users\\SomePath\\xmr-stak-cpu-win64-sumo\\xmr-stak-cpu\\config.txt'],
  }
];

const request = require('request');
const spawn = require('child_process').spawn;

// set your default coin
let currentCoin = config[0];

// create the child process
let child = spawn(currentCoin.command, currentCoin.args);

child.stdout.on('data', function (data) {
  console.log('stdout: ' + data);
});

child.stderr.on('data', function (data) {
  console.log('stderr: ' + data);
});

child.on('close', function (code) {
  console.log('child process exited with code ' + code);
});

function checkProfitability() {
  setTimeout(function () {
    request.get('http://whattomine.com/coins.json', (error, response, body) => {
      if (body) {
        // response
        let json = JSON.parse(body);

        // coins
        let coins = json.coins;

        // match user defined coins
        config.forEach((coin, i) => {
          // set profitability
          config[i].p = coins[coin.name].profitability;
        });

        // sort coins by profitability
        const sortedCoins = config.slice().sort(function(a,b) {return (a.p < b.p) ? 1 : ((b.p < a.p) ? -1 : 0);} );

        // See if we should change coins based on profitability.
        if (sortedCoins[0].name !== currentCoin.name) {
          console.log(`Profitability changed. Switching from ${currentCoin.name} to ${sortedCoins[0].name}`);
          child.kill('SIGINT');
          currentCoin = sortedCoins[0];
          child = spawn(currentCoin.command, currentCoin.args);
        } else {
          console.log(`Sticking with ${currentCoin.name}`);
        }
        console.log(sortedCoins);
        checkProfitability();
      }
      if (error) {
        console.log('Error fetching profitability')
        checkProfitability();
      }
    });
  }, 60000);
}

checkProfitability();