Licensing

[sanders]

i am trying to understand the licensing concept for mt4 indicators 

please have a look at the code and tell me if its the right and effective way of using the account number and time protection

i have highlighted the license code

//+------------------------------------------------------------------+
//|                                          Indicator: multivts.mq4 |
//|                                       Created with EABuilder.com |
//|                                             http://eabuilder.com |
//+------------------------------------------------------------------+
#property copyright ""
#property link      ""
#property version   "1.00"
#property description ""






//TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT

//const string allowed_broker = "Hugosway";
const long allowed_accounts[] = {2101181434};
                             
int status = -1;


datetime allowed_until = D'2019.07.22 13:05'; 
                             
int password_status = -1;

//TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT






#include <stdlib.mqh>
#include <stderror.mqh>

//--- indicator settings
#property indicator_separate_window
#property indicator_buffers 2

#property indicator_type1 DRAW_HISTOGRAM
#property indicator_style1 STYLE_SOLID
#property indicator_width1 1
#property indicator_color1 0xB3FF00
#property indicator_label1 "Buy"

#property indicator_type2 DRAW_HISTOGRAM
#property indicator_style2 STYLE_SOLID
#property indicator_width2 1
#property indicator_color2 0x8800FF
#property indicator_label2 "Sell"

//--- indicator buffers
double Buffer1[];
double Buffer2[];

double myPoint; //initialized in OnInit

void myAlert(string type, string message)
  {
   if(type == "print")
      Print(message);
   else if(type == "error")
     {
      Print(type+" | multivts @ "+Symbol()+","+IntegerToString(Period())+" | "+message);
     }
   else if(type == "order")
     {
     }
   else if(type == "modify")
     {
     }
  }

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit()
  {   
  
  
  
  
 //TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT
 
   long account = AccountInfoInteger(ACCOUNT_LOGIN);
   
   printf("Account number =  %d", account);
   
      for (int i=0; i<ArraySize(allowed_accounts); i++)
       if (account == allowed_accounts[i]) { 
            status = 1;
         Print("indicator account verified");
         break;
       }
   if (status == -1) Print("indicator is not allowed to run on this account.");   
   
   
   
   
   printf("This indicator is valid until %s", TimeToString(allowed_until, TIME_DATE|TIME_MINUTES));
   datetime now = TimeCurrent();
   
   if (now < allowed_until) 
         Print("indicator time limit verified, indicator init time : " + TimeToString(now, TIME_DATE|TIME_MINUTES));
//TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT

  
  
  
  
   IndicatorBuffers(2);
   SetIndexBuffer(0, Buffer1);
   SetIndexEmptyValue(0, 0);
   SetIndexBuffer(1, Buffer2);
   SetIndexEmptyValue(1, 0);
   //initialize myPoint
   myPoint = Point();
   if(Digits() == 5 || Digits() == 3)
     {
      myPoint *= 10;
     }
   return(INIT_SUCCEEDED);
  }   
  
  
  
  
  

//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime& time[],
                const double& open[],
                const double& high[],
                const double& low[],
                const double& close[],
                const long& tick_volume[],
                const long& volume[],
                const int& spread[])
  {
   int limit = rates_total - prev_calculated;
   //--- counting from 0 to rates_total
   ArraySetAsSeries(Buffer1, true);
   ArraySetAsSeries(Buffer2, true);
   //--- initial zero
   if(prev_calculated < 1)
     {
      ArrayInitialize(Buffer1, 0);
      ArrayInitialize(Buffer2, 0);
     }
   else
      limit++;
      
   




//TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT   
  if (TimeCurrent() < allowed_until)
    {  
    if (status == 1) 

//TTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTTT



 {
   //--- main loop
   for(int i = limit-1; i >= 0; i--)
   
   
   
   
     {
      if (i >= MathMin(5000-1, rates_total-1-50)) continue; //omit some old rates to prevent "Array out of range" or slow calculation   
      //Indicator Buffer 1
      if(iMA(NULL, PERIOD_CURRENT, 5, 0, MODE_EMA, PRICE_CLOSE, i) > iMA(NULL, PERIOD_CURRENT, 15, 0, MODE_EMA, PRICE_CLOSE, i) //Moving Average > Moving Average
      && iRSI(NULL, PERIOD_CURRENT, 21, PRICE_CLOSE, i) > 50 //Relative Strength Index > fixed value
      && iMACD(NULL, PERIOD_CURRENT, 8, 17, 9, PRICE_CLOSE, MODE_MAIN, i) > iMACD(NULL, PERIOD_CURRENT, 8, 17, 9, PRICE_CLOSE, MODE_SIGNAL, i) //MACD > MACD
      && iADX(NULL, PERIOD_CURRENT, 14, PRICE_CLOSE, MODE_PLUSDI, i) > iADX(NULL, PERIOD_CURRENT, 14, PRICE_CLOSE, MODE_MINUSDI, i) //Average Directional Movement Index > Average Directional Movement Index
      && iDeMarker(NULL, PERIOD_CURRENT, 14, i) > 0.5 //DeMarker > fixed value
      && iForce(NULL, PERIOD_CURRENT, 14, MODE_SMA, PRICE_CLOSE, i) > 0 //Force Index > fixed value
      && iMomentum(NULL, PERIOD_CURRENT, 14, PRICE_CLOSE, i) > 100 //Momentum > fixed value
      )
        {
         Buffer1[i] = Low[i]; //Set indicator value at Candlestick Low
        }
      else
        {
         Buffer1[i] = 0;
        }
      //Indicator Buffer 2
      if(iMA(NULL, PERIOD_CURRENT, 5, 0, MODE_EMA, PRICE_CLOSE, i) < iMA(NULL, PERIOD_CURRENT, 15, 0, MODE_EMA, PRICE_CLOSE, i) //Moving Average < Moving Average
      && iRSI(NULL, PERIOD_CURRENT, 21, PRICE_CLOSE, i) < 50 //Relative Strength Index < fixed value
      && iMACD(NULL, PERIOD_CURRENT, 8, 17, 9, PRICE_CLOSE, MODE_MAIN, i) < iMACD(NULL, PERIOD_CURRENT, 8, 17, 9, PRICE_CLOSE, MODE_SIGNAL, i) //MACD < MACD
      && iADX(NULL, PERIOD_CURRENT, 14, PRICE_CLOSE, MODE_PLUSDI, i) < iADX(NULL, PERIOD_CURRENT, 14, PRICE_CLOSE, MODE_MINUSDI, i) //Average Directional Movement Index < Average Directional Movement Index
      && iDeMarker(NULL, PERIOD_CURRENT, 14, i) < 0.5 //DeMarker < fixed value
      && iForce(NULL, PERIOD_CURRENT, 14, MODE_SMA, PRICE_CLOSE, i) < 0 //Force Index < fixed value
      && iMomentum(NULL, PERIOD_CURRENT, 14, PRICE_CLOSE, i) < 100 //Momentum < fixed value
      )
        {
         Buffer2[i] = High[i]; //Set indicator value at Candlestick High
        }
      else
        {
         Buffer2[i] = 0;
        }
     }
   return(rates_total); 
   
  }
 }
  
 }
//+------------------------------------------------------------------+