Gekko strategy for learning purposes with 10% quarterly profit

gekko_mariano_strategy_v1.js

// Let's create our own strategy
var strat = {};

// Prepare everything our strat needs
strat.init = function() {
  // your code!
    this.count = 0;

  var weight = 10;

  // add the indicator to the strategy
  this.addIndicator('myema', 'EMA', weight);
}




/*


{ id: 33384,
  start: 
   { [Number: 1535788680000]
     _i: 1535788680000,
     _f: undefined,
     _l: undefined,
     _strict: undefined,
     _isUTC: false,
     _pf: 
      { empty: false,
        unusedTokens: [],
        unusedInput: [],
        overflow: -2,
        charsLeftOver: 0,
        nullInput: false,
        invalidMonth: null,
        invalidFormat: false,
        userInvalidated: false,
        iso: false },
     _d: 2018-09-01T07:58:00.000Z },
  open: 7047.8,
  high: 7053.89463206,
  low: 7047.8,
  close: 7053.89463206,
  vwp: 7050.688903599112,
  volume: 14.509290799999999,
  trades: 23 }


*/

// Based on the newly calculated
// information, check if we should
// update or not.

var porcentaje = 1;
strat.check = function(candle) {
console.log('candle: ', candle);
//throw 'e';
this.count++;
  var ema = this.indicators.myema.result;
    if(candle.high < ema*(1-porcentaje/100)) { 
	this.advice('long');
    } else if( candle.low > ema*(1+porcentaje/100)){
        this.advice('short');
    }
}

strat.end = function() {
    console.log('count: ', this.count);
};

module.exports = strat;