Reverse_v1

//+----------------------------------------------------------------------------+
//|                                                               Reverse.mq4  |
//|                                                                            |
//|                                                    Êèì Èãîðü Â. aka KimIV  |
//|                                                       http://www.kimiv.ru  |
//|                                                                            |
//|  16.12.2005  Ñêðèïò ïåðåâîðà÷èâàåò èìåþùèåñÿ ïîçèöèè.                      |
//|  23.06.2008  Âîçìîæíîñòü ïåðåâåðíóòü ïîçèöèè íå òîëüêî òåêóùåãî ñèìâîëà.   |
//+----------------------------------------------------------------------------+
#property copyright "Êèì Èãîðü Â. aka KimIV"
#property link      "http://www.kimiv.ru"
#property show_confirm

int  StopLoss      = 30;               // Ðàçìåð ñòîïà â ïóíêòàõ
int  Takeprofit    = 50;               // Ðàçìåð òåéêà â ïóíêòàõ
bool CurSymbolOnly = True;             // Òîëüêî òåêóùèé ñèìâîë
bool MarketWatch   = False;            // Ðûíî÷íîå èñïîëíåíèå
int  Slippage      = 3;                // Ïðîñêàëüçûâàíèå öåíû
int  NumberOfTry   = 3;                // Êîëè÷åñòâî òîðãîâûõ ïîïûòîê

//------- Ãëîáàëüíûå ïåðåìåííûå ñêðèïòà ---------------------------------------+
bool   gbDisabled    = False;          // Ôëàã áëîêèðîâêè
bool   gbNoInit      = False;          // Ôëàã íåóäà÷íîé èíèöèàëèçàöèè
color  clOpenBuy     = LightBlue;      // Öâåò çíà÷êà îòêðûòèÿ ïîêóïêè
color  clOpenSell    = LightCoral;     // Öâåò çíà÷êà îòêðûòèÿ ïðîäàæè
color  clCloseBuy    = Blue;           // Öâåò çíà÷êà çàêðûòèÿ ïîêóïêè
color  clCloseSell   = Red;            // Öâåò çíà÷êà çàêðûòèÿ ïðîäàæè
bool   UseSound      = True;           // Èñïîëüçîâàòü çâóêîâîé ñèãíàë
string NameFileSound = "expert.wav";   // Íàèìåíîâàíèå çâóêîâîãî ôàéëà

//------- Ïîêëþ÷åíèå âíåøíèõ ìîäóëåé ------------------------------------------+
#include <stdlib.mqh>


//+----------------------------------------------------------------------------+
//|  script initialization function                                            |
//+----------------------------------------------------------------------------+
void init() {
  gbNoInit=False;
  if (!IsTradeAllowed()) {
    Message("Äëÿ íîðìàëüíîé ðàáîòû ñêðèïòà íåîáõîäèìî\n"+
            "Ðàçðåøèòü ñîâåòíèêó òîðãîâàòü");
    gbNoInit=True; return;
  }
  if (!IsLibrariesAllowed()) {
    Message("Äëÿ íîðìàëüíîé ðàáîòû ñêðèïòà íåîáõîäèìî\n"+
            "Ðàçðåøèòü èìïîðò èç âíåøíèõ ýêñïåðòîâ");
    gbNoInit=True; return;
  }
}

//+----------------------------------------------------------------------------+
//|  script program start function                                             |
//+----------------------------------------------------------------------------+
void start() {
  if (gbNoInit) {
    Message("Íå óäàëîñü èíèöèàëèçèðîâàòü ñêðèïò!"); return;
  }

  double ll, pa, pb, pp, sl, tp;
  int    i, k=OrdersTotal(), mn, ot;

  for (i=k-1; i>=0; i--) {
    if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
      if (!CurSymbolOnly || OrderSymbol()==Symbol()) {
        ll=OrderLots();
        mn=OrderMagicNumber();
        ot=OrderType();
        pp=MarketInfo(OrderSymbol(), MODE_POINT);
        if (ot==OP_BUY || ot==OP_SELL) {
          ClosePosBySelect();
          if (ot==OP_BUY) {
            pb=MarketInfo(OrderSymbol(), MODE_BID);
            if (StopLoss  >0) sl=pb+StopLoss  *pp; else sl=0;
            if (Takeprofit>0) tp=pb-Takeprofit*pp; else tp=0;
            OpenPosition(OrderSymbol(), OP_SELL, ll, sl, tp, mn);
          }
          if (ot==OP_SELL) {
            pa=MarketInfo(OrderSymbol(), MODE_ASK);
            if (StopLoss  >0) sl=pa-StopLoss  *pp; else sl=0;
            if (Takeprofit>0) tp=pa+Takeprofit*pp; else tp=0;
            OpenPosition(OrderSymbol(), OP_BUY, ll, sl, tp, mn);
          }
        }
      }
    }
  }
}

//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ  : 19.02.2008                                                      |
//|  Îïèñàíèå: Çàêðûòèå îäíîé ïðåäâàðèòåëüíî âûáðàííîé ïîçèöèè                 |
//+----------------------------------------------------------------------------+
void ClosePosBySelect() {
  bool   fc;
  color  clClose;
  double ll, pa, pb, pp;
  int    err, it;

  if (OrderType()==OP_BUY || OrderType()==OP_SELL) {
    for (it=1; it<=NumberOfTry; it++) {
      if (!IsTesting() && IsStopped()) break;
      while (!IsTradeAllowed()) Sleep(5000);
      RefreshRates();
      pa=MarketInfo(OrderSymbol(), MODE_ASK);
      pb=MarketInfo(OrderSymbol(), MODE_BID);
      if (OrderType()==OP_BUY) {
        pp=pb; clClose=clCloseBuy;
      } else {
        pp=pa; clClose=clCloseSell;
      }
      ll=OrderLots();
      fc=OrderClose(OrderTicket(), ll, pp, Slippage, clClose);
      if (fc) {
        if (UseSound) PlaySound(NameFileSound); break;
      } else {
        err=GetLastError();
        if (err==146) while (IsTradeContextBusy()) Sleep(1000*11);
        Print("Error(",err,") Close ",GetNameOP(OrderType())," ",
              ErrorDescription(err),", try ",it);
        Print(OrderTicket(),"  Ask=",pa,"  Bid=",pb,"  pp=",pp);
        Print("sy=",OrderSymbol(),"  ll=",ll,"  sl=",OrderStopLoss(),
              "  tp=",OrderTakeProfit(),"  mn=",OrderMagicNumber());
        Sleep(1000*5);
      }
    }
  } else Print("Íåêîððåêòíàÿ òîðãîâàÿ îïåðàöèÿ. Close ",GetNameOP(OrderType()));
}

//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ   : 06.03.2008                                                     |
//|  Îïèñàíèå : Âîçâðàùàåò ôëàã ñóùåñòâîâàíèÿ ïîçèöèé                          |
//+----------------------------------------------------------------------------+
//|  Ïàðàìåòðû:                                                                |
//|    sy - íàèìåíîâàíèå èíñòðóìåíòà   (""   - ëþáîé ñèìâîë,                   |
//|                                     NULL - òåêóùèé ñèìâîë)                 |
//|    op - îïåðàöèÿ                   (-1   - ëþáàÿ ïîçèöèÿ)                  |
//|    mn - MagicNumber                (-1   - ëþáîé ìàãèê)                    |
//|    ot - âðåìÿ îòêðûòèÿ             ( 0   - ëþáîå âðåìÿ îòêðûòèÿ)           |
//+----------------------------------------------------------------------------+
bool ExistPositions(string sy="", int op=-1, int mn=-1, datetime ot=0) {
  int i, k=OrdersTotal();

  if (sy=="0") sy=Symbol();
  for (i=0; i<k; i++) {
    if (OrderSelect(i, SELECT_BY_POS, MODE_TRADES)) {
      if (OrderSymbol()==sy || sy=="") {
        if (OrderType()==OP_BUY || OrderType()==OP_SELL) {
          if (op<0 || OrderType()==op) {
            if (mn<0 || OrderMagicNumber()==mn) {
              if (ot<=OrderOpenTime()) return(True);
            }
          }
        }
      }
    }
  }
  return(False);
}

//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ   : 01.09.2005                                                     |
//|  Îïèñàíèå : Âîçâðàùàåò íàèìåíîâàíèå òîðãîâîé îïåðàöèè                      |
//+----------------------------------------------------------------------------+
//|  Ïàðàìåòðû:                                                                |
//|    op - èäåíòèôèêàòîð òîðãîâîé îïåðàöèè                                    |
//+----------------------------------------------------------------------------+
string GetNameOP(int op) {
  switch (op) {
    case OP_BUY      : return("Buy");
    case OP_SELL     : return("Sell");
    case OP_BUYLIMIT : return("BuyLimit");
    case OP_SELLLIMIT: return("SellLimit");
    case OP_BUYSTOP  : return("BuyStop");
    case OP_SELLSTOP : return("SellStop");
    default          : return("Unknown Operation");
  }
}

//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ   : 01.09.2005                                                     |
//|  Îïèñàíèå : Âîçâðàùàåò íàèìåíîâàíèå òàéìôðåéìà                             |
//+----------------------------------------------------------------------------+
//|  Ïàðàìåòðû:                                                                |
//|    TimeFrame - òàéìôðåéì (êîëè÷åñòâî ñåêóíä)      (0 - òåêóùèé ÒÔ)         |
//+----------------------------------------------------------------------------+
string GetNameTF(int TimeFrame=0) {
  if (TimeFrame==0) TimeFrame=Period();
  switch (TimeFrame) {
    case PERIOD_M1:  return("M1");
    case PERIOD_M5:  return("M5");
    case PERIOD_M15: return("M15");
    case PERIOD_M30: return("M30");
    case PERIOD_H1:  return("H1");
    case PERIOD_H4:  return("H4");
    case PERIOD_D1:  return("Daily");
    case PERIOD_W1:  return("Weekly");
    case PERIOD_MN1: return("Monthly");
    default:         return("UnknownPeriod");
  }
}

//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ   : 01.09.2005                                                     |
//|  Îïèñàíèå : Âûâîä ñîîáùåíèÿ â êîììåíò è â æóðíàë                           |
//+----------------------------------------------------------------------------+
//|  Ïàðàìåòðû:                                                                |
//|    m - òåêñò ñîîáùåíèÿ                                                     |
//+----------------------------------------------------------------------------+
void Message(string m) {
  Comment(m);
  if (StringLen(m)>0) Print(m);
}

//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ   : 28.11.2006                                                     |
//|  Îïèñàíèå : Ìîäèôèêàöèÿ îäíîãî ïðåäâàðèòåëüíî âûáðàííîãî îðäåðà.           |
//+----------------------------------------------------------------------------+
//|  Ïàðàìåòðû:                                                                |
//|    pp - öåíà óñòàíîâêè îðäåðà                                              |
//|    sl - öåíîâîé óðîâåíü ñòîïà                                              |
//|    tp - öåíîâîé óðîâåíü òåéêà                                              |
//|    ex - äàòà èñòå÷åíèÿ                                                     |
//+----------------------------------------------------------------------------+
void ModifyOrder(double pp=-1, double sl=0, double tp=0, datetime ex=0) {
  bool   fm;
  color  cl;
  double op, pa, pb, os, ot;
  int    dg=MarketInfo(OrderSymbol(), MODE_DIGITS), er, it;

  if (pp<=0) pp=OrderOpenPrice();
  if (sl<0 ) sl=OrderStopLoss();
  if (tp<0 ) tp=OrderTakeProfit();
  
  pp=NormalizeDouble(pp, dg);
  sl=NormalizeDouble(sl, dg);
  tp=NormalizeDouble(tp, dg);
  op=NormalizeDouble(OrderOpenPrice() , dg);
  os=NormalizeDouble(OrderStopLoss()  , dg);
  ot=NormalizeDouble(OrderTakeProfit(), dg);

  if (pp!=op || sl!=os || tp!=ot) {
    for (it=1; it<=NumberOfTry; it++) {
      if (!IsTesting() && (!IsExpertEnabled() || IsStopped())) break;
      while (!IsTradeAllowed()) Sleep(5000);
      RefreshRates();
      fm=OrderModify(OrderTicket(), pp, sl, tp, ex, cl);
      if (fm) {
        if (UseSound) PlaySound(NameFileSound); break;
      } else {
        er=GetLastError();
        pa=MarketInfo(OrderSymbol(), MODE_ASK);
        pb=MarketInfo(OrderSymbol(), MODE_BID);
        Print("Error(",er,") modifying order: ",ErrorDescription(er),", try ",it);
        Print("Ask=",pa,"  Bid=",pb,"  sy=",OrderSymbol(),
              "  op="+GetNameOP(OrderType()),"  pp=",pp,"  sl=",sl,"  tp=",tp);
        Sleep(1000*10);
      }
    }
  }
}

//+----------------------------------------------------------------------------+
//|  Àâòîð    : Êèì Èãîðü Â. aka KimIV,  http://www.kimiv.ru                   |
//+----------------------------------------------------------------------------+
//|  Âåðñèÿ   : 10.04.2008                                                     |
//|  Îïèñàíèå : Îòêðûâàåò ïîçèöèþ ïî ðûíî÷íîé öåíå.                            |
//+----------------------------------------------------------------------------+
//|  Ïàðàìåòðû:                                                                |
//|    sy - íàèìåíîâàíèå èíñòðóìåíòà   (NULL èëè "" - òåêóùèé ñèìâîë)          |
//|    op - îïåðàöèÿ                                                           |
//|    ll - ëîò                                                                |
//|    sl - óðîâåíü ñòîï                                                       |
//|    tp - óðîâåíü òåéê                                                       |
//|    mn - MagicNumber                                                        |
//+----------------------------------------------------------------------------+
void OpenPosition(string sy, int op, double ll, double sl=0, double tp=0, int mn=0) {
  color    clOpen;
  datetime ot;
  double   pp, pa, pb;
  int      dg, err, it, ticket=0;
  string   lsComm=WindowExpertName()+" "+GetNameTF(Period());

  if (sy=="" || sy=="0") sy=Symbol();
  if (op==OP_BUY) clOpen=clOpenBuy; else clOpen=clOpenSell;
  for (it=1; it<=NumberOfTry; it++) {
    if (!IsTesting() && IsStopped()) {
      Print("OpenPosition(): Îñòàíîâêà ðàáîòû ôóíêöèè");
      break;
    }
    while (!IsTradeAllowed()) Sleep(5000);
    RefreshRates();
    dg=MarketInfo(sy, MODE_DIGITS);
    pa=MarketInfo(sy, MODE_ASK);
    pb=MarketInfo(sy, MODE_BID);
    if (op==OP_BUY) pp=pa; else pp=pb;
    pp=NormalizeDouble(pp, dg);
    ot=TimeCurrent();
    if (MarketWatch)
      ticket=OrderSend(sy, op, ll, pp, Slippage, 0, 0, lsComm, mn, 0, clOpen);
    else
      ticket=OrderSend(sy, op, ll, pp, Slippage, sl, tp, lsComm, mn, 0, clOpen);
    if (ticket>0) {
      if (UseSound) PlaySound(NameFileSound); break;
    } else {
      err=GetLastError();
      if (pa==0 && pb==0) Message("Ïðîâåðüòå â Îáçîðå ðûíêà íàëè÷èå ñèìâîëà "+sy);
      // Âûâîä ñîîáùåíèÿ îá îøèáêå
      Print("Error(",err,") opening position: ",ErrorDescription(err),", try ",it);
      Print("Ask=",pa," Bid=",pb," sy=",sy," ll=",ll," op=",GetNameOP(op),
            " pp=",pp," sl=",sl," tp=",tp," mn=",mn);
      // Áëîêèðîâêà ðàáîòû ñîâåòíèêà
      if (err==2 || err==64 || err==65 || err==133) {
        gbDisabled=True; break;
      }
      // Äëèòåëüíàÿ ïàóçà
      if (err==4 || err==131 || err==132) {
        Sleep(1000*300); break;
      }
      if (err==128 || err==142 || err==143) {
        Sleep(1000*66.666);
        if (ExistPositions(sy, op, mn, ot)) {
          if (UseSound) PlaySound(NameFileSound); break;
        }
      }
      if (err==140 || err==148 || err==4110 || err==4111) break;
      if (err==141) Sleep(1000*100);
      if (err==145) Sleep(1000*17);
      if (err==146) while (IsTradeContextBusy()) Sleep(1000*11);
      if (err!=135) Sleep(1000*7.7);
    }
  }
  if (MarketWatch && ticket>0 && (sl>0 || tp>0)) {
    if (OrderSelect(ticket, SELECT_BY_TICKET)) ModifyOrder(-1, sl, tp);
  }
}
//+----------------------------------------------------------------------------+