ms_1.mq4

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

extern double grid             = 20;
       double gridstep         = 6;
       double multk[25]        = {-5,-4,-3,-2,-1,-1,-1,0,1,1,1,2,3,4,5};
       int    limit            = 5;
       double lotseq[25]       = {1,1,2.8,6,6,12,28.8};
       double stepseq[25];
       double gridseqbuy[25];
       double gridseqsell[25];
       double spred;
       int    LastLock, step;
       int    StateOld, StateCur;
       int    sleeppage        = 3;
       int    Magic            = 120976;
       double CurrentPrice;
       bool   SetAll, AP;
       int    LastBuy, LastSell, ProfitOrder;

int initialization() { 

    StateCur = 0;
    StateOld=StateCur;
    spred=MarketInfo(Symbol(), MODE_SPREAD)*Point;
    RefreshRates();
    CurrentPrice = Bid;
    OpenOrder (OP_SELL, LotSize(0), Bid, Bid+400*Point, Ask-grid*Point, "", Magic, Red);
    OpenOrder (OP_BUY, LotSize(0), Ask, Ask-400*Point, Bid+grid*Point, "", Magic, Green);
    step = 1;
    setgrid (CurrentPrice);
    SetAll = SetOrders (LotSize(1), LotSize(1), LotSize(1), LotSize(1));
    SearchLastSellBuy();
    LastLock=0;
}

bool first(){

  int ordcnt=0;
  for (int cnt=OrdersTotal()-1;cnt>=0;cnt--)
      {
       OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
       if ((OrderSymbol() == Symbol()) && (OrderTicket() > LastLock) && ((OrderType() == OP_BUY) || (OrderType() == OP_SELL))) {ordcnt++;}
      }
  if (ordcnt>0) {return(false);}
  else {return(true);}
}

double LotSize(int tStep) {

  for (int i=0;i<=limit;i++)
    double aLots=lotseq[i]+aLots;
  aLots++;

  double rez = NormalizeDouble((AccountBalance()/aLots/1000)*lotseq[tStep]/4,1);
  if (rez < 0.1) {rez = 0.1;}

  return(rez);
}

bool setgrid(double startprice){

  for(int i=0;i<=((gridstep+1)*2);i++)
    {
     stepseq[i]=multk[i]*grid;
     gridseqsell[i]=startprice+stepseq[i]*Point;
     gridseqbuy[i]=startprice+spred+stepseq[i]*Point;
    }
  return(0);
}

bool allpresent() {

     int BuyCnt = 0;
     int SellCnt = 0;
     int BuyStopCnt = 0;
     int BuyLimitCnt = 0;
     int SellStopCnt = 0;
     int SellLimitCnt = 0;
     for (int cnt=OrdersTotal()-1;cnt>=0;cnt--)
         {
          OrderSelect(

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