storj tracker

stroj-tracker.js

// INSTRUCTIONS:
// 1. Update settings & addresses (line 14)
// 2. Generate a bookmarklet using http://chriszarate.github.io/bookmarkleter/
// 3. use it while on http://driveshare.org/status.html


// MAIN CODE:
// Settings
// 
// Address to watch.
// Either via array:
//  var myAddresses = ['1ANFwqjfqkwrqiuwr12412', '1IOWRoiqwmrqlwrfasfasf', '1WORIqoiwrqlwwetwet'];
//  var myAddresses = ['1ANFwqjfqkwrqiuwr12412'];
// Or as an object with addresses as keys and labels as values
var myAddresses = {
  '1ANFwqjfqkwrqiuwr12412asfjqnwrKWRw': 'Toshiba-1TB',
  '1IOWRoiqwmrqlwrfasfasfRWUIqrwrqkar': 'WD-2TB',
  '1JqTCrxzH2Pk1W2ohc3QUmvZrJXimtUDaH': 'Nuc-0'
};
var checkIntervalMinutes = 2;
var autoCloseNotificationSeconds = 5;

// Running vars
var lastCapDiffs = [];
var prevCapacities = {};
var lastUpdate = 0;

// Notifications
var notify = function() {};
if ("Notification" in window) {
  notify = function(title, opts) {
    var _opts = opts || {};
    Notification.requestPermission(function (permission) {
      if (permission === 'granted') {
        var n = new Notification(title, _opts);
        n.onshow = function() {
          setTimeout(n.close.bind(n), autoCloseNotificationSeconds * 1000);
        }
      }
    });
  }
}

// Code
function addrName(addr) {
  if ((myAddresses && myAddresses.length) || typeof myAddresses[addr] === 'undefined') {
    return 'Addr: ' + addr;
  }
  return 'D(' + myAddresses[addr] + ')';
}

function isWatchingAddr(addr) {
  if (myAddresses && myAddresses.length) {
    return (myAddresses.indexOf(addr) !== -1);
  } else {
    return (typeof myAddresses[addr] !== 'undefined');
  }
}

function calcCapDiffs(currentFarmer) {
  var storageSize = (currentFarmer.height*128/1024).toFixed(2);
  if (prevCapacities[currentFarmer.payout_addr]) {
    var diffN = Number(storageSize) - Number(prevCapacities[currentFarmer.payout_addr]);
    prevCapacities[currentFarmer.payout_addr] = storageSize;
    var diff = Number(diffN).toFixed(2);
    var t = (new Date()).toTimeString().split(' ')[0];
    var txt = addrName(currentFarmer.payout_addr) + ' got ';
    var diffPlain = (diffN < 0 ? '-' : '+' ) + diff + 'GB';
    var diffHtml = '<b style="color:#' + (diffN < 0 ? '9A4444' : '509A44') + '">' + (diffN < 0 ? '-' : '+') + diff + 'GB</b>';
    
    var notifBody = txt + diffPlain + ' with total: ' + Number(storageSize).toFixed(1) + 'GB'
    if (diffN > 0) {
      lastCapDiffs.unshift(t + ' - ' + txt + diffHtml);
      notify('Storj Client increased space', { body: notifBody });
    } else if (diffN < 0) {
      lastCapDiffs.unshift(t + ' - ' + txt + diffHtml);
      notify('Storj Client decreased space', { body: notifBody });
    } else {
      return '-';
    }
    return diffHtml;
  }
  prevCapacities[currentFarmer.payout_addr] = storageSize;
  return '';
}

function refreshData() {
  if (Date.now() - lastUpdate < 10 * 1000) {
    console.log('Throttling...');
    return;
  }
  lastUpdate = Date.now();
  $.getJSON('//status.driveshare.org/api/online/json', function(json){
    var rows = [];
    var astrRaw = [];
    for (var i = 0; i < json.farmers.length; i++) {
      var currentFarmer = json.farmers[i];
      if (!isWatchingAddr(currentFarmer.payout_addr)) {
        continue;
      }
      var storageSize = (currentFarmer.height*128/1024).toFixed(2);
      var storageUnit = 'GB';
      var diffSpace = calcCapDiffs(currentFarmer);
      var cells = ['#' + (i+1), addrName(currentFarmer.payout_addr), storageSize+' '+storageUnit, diffSpace, currentFarmer.last_seen+' seconds'];
      astrRaw.push('#' + (i+1) + ' - ' + addrName(currentFarmer.payout_addr) + ' - Space: '+storageSize+' '+storageUnit+ ' '+diffSpace+' - Last: '+currentFarmer.last_seen+' seconds');
      rows.push('<tr><td>' + cells.join('</td><td>') + '</td></tr>');
    }

    // Update cLog
    astrRaw.push('Last update: ' + String(Date()));
    var t = astrRaw.join("\n");
    console.log(t);

    // Render table
    rows.push('<tr><td colspan="5">Last update: ' + String(Date()) + '</td></tr>');
    var h = '<table class="table table-striped table-hover">' +
      '<thead><tr><td>Rank</td><td>Addr</td><td>Space</td><td>Diff</td><td>Last seen</td></tr></thead>' +
      '<tbody>' + rows.join('') + '</tbody></table>';
    lastCapDiffs = lastCapDiffs.slice(0,5);
    h += (lastCapDiffs.length > 0 ? 'Latest:<br/>' : '') + lastCapDiffs.join('<br/>');

    if ($('#myminers').length === 0) {
       $('body').append('<div id="myminers" style="padding:10px;text-align:left;position:fixed;z-index:10;top:10px;left:10px;border:1px solid #ccc;background:#fff;border-radius:3px;"></div>');
    }
    btnHtml = '<br/><button class="btn btn-green btn-sm" onclick="refreshBrmkletData()">Refresh</button>';
    $('#myminers').html(h + btnHtml);
  });
}
window.refreshBrmkletData = refreshData;
setInterval(refreshData, checkIntervalMinutes * 60 * 1000);
refreshData();