1. Input parameter
#define ExtBotName "AK-47 EA" //Bot Name #define Version "1.00" //Import inputal class #include <Trade\PositionInfo.mqh> #include <Trade\Trade.mqh> #include <Trade\SymbolInfo.mqh> #include <Trade\AccountInfo.mqh> #include <Trade\OrderInfo.mqh> //--- introduce predefined variables for code readability #define Ask SymbolInfoDouble(_Symbol, SYMBOL_ASK) #define Bid SymbolInfoDouble(_Symbol, SYMBOL_BID) //--- input parameters input string EASettings = "---------------------------------------------"; //-------- <EA Settings> -------- input int InpMagicNumber = 124656; //Magic Number input string MoneySettings = "---------------------------------------------"; //-------- <Money Settings> -------- input bool isVolume_Percent = true; //Allow Volume Percent input double InpRisk = 3; //Risk Percentage of Balance (%) input string TradingSettings = "---------------------------------------------"; //-------- <Trading Settings> -------- input double Inpuser_lot = 0.01; //Lots input double InpSL_Pips = 3.5; //Stoploss (in Pips) input double InpTP_Pips = 7; //TP (in Pips) (0 = No TP) input int InpMax_slippage = 3; //Maximum slippage allow_Pips. input double InpMax_spread = 5; //Maximum allowed spread (in Point) (0 = floating) input string TimeSettings = "---------------------------------------------"; //-------- <Trading Time Settings> -------- input bool InpTimeFilter = true; //Trading Time Filter input int InpStartHour = 2; //Start Hour input int InpStartMinute = 30; //Start Minute input int InpEndHour = 21; //End Hour input int InpEndMinute = 0; //End Minute
2. local variables initialization
//--- Variables int Pips2Points; // slippage 3 pips 3=points 30=points double Pips2Double; // Stoploss 15 pips 0.015 0.0150 bool isOrder = false; int slippage; long acSpread; string strComment = ""; CPositionInfo m_position; // trade position object CTrade m_trade; // trading object CSymbolInfo m_symbol; // symbol info object CAccountInfo m_account; // account info wrapper COrderInfo m_order; // pending orders object
3. Main Code
a/ Expert initialization function
//+------------------------------------------------------------------+ //| Expert initialization function | //+------------------------------------------------------------------+ int OnInit() { //3 or 5 digits detection //Pip and point if(_Digits % 2 == 1) { Pips2Double = _Point*10; Pips2Points = 10; slippage = 10* InpMax_slippage; } else { Pips2Double = _Point; Pips2Points = 1; slippage = InpMax_slippage; } if(!m_symbol.Name(Symbol())) // sets symbol name return(INIT_FAILED); RefreshRates(); //--- m_trade.SetExpertMagicNumber(InpMagicNumber); m_trade.SetMarginMode(); m_trade.SetTypeFillingBySymbol(m_symbol.Name()); m_trade.SetDeviationInPoints(slippage); //--- return(INIT_SUCCEEDED); }
b/ Expert tick function
//+------------------------------------------------------------------+ //| Expert tick function | //+------------------------------------------------------------------+ void OnTick() { if(TerminalInfoInteger(TERMINAL_TRADE_ALLOWED) == false) { Comment("LazyBot\nTrade not allowed."); return; } MqlDateTime structTime; TimeCurrent(structTime); structTime.sec = 0; //Set starting time structTime.hour = InpStartHour; structTime.min = InpStartMinute; datetime timeStart = StructToTime(structTime); //Set Ending time structTime.hour = InpEndHour; structTime.min = InpEndMinute; datetime timeEnd = StructToTime(structTime); acSpread = SymbolInfoInteger(_Symbol, SYMBOL_SPREAD); strComment = "\n" + ExtBotName + " - v." + (string)Version; strComment += "\nSever time = " + TimeToString(TimeCurrent(),TIME_DATE|TIME_SECONDS) + " - " + DayOfWeekDescription(structTime.day_of_week); strComment += "\nTrading time = [" + (string)InpStartHour + "h" + (string)InpStartMinute + " --> " + (string)InpEndHour + "h" + (string)InpEndMinute + "]"; strComment += "\nCurrent Spread = " + (string)acSpread + " Points"; Comment(strComment); //Update Values UpdateOrders(); TrailingStop(); //Dieu kien giao dich theo phien My if(InpTimeFilter) { if(TimeCurrent() >= timeStart && TimeCurrent() < timeEnd) { if(!isOrder) OpenOrder(); } } else { if(!isOrder) OpenOrder(); } } //---End fuction
3.1 Calculate signal in order to send orders
//+------------------------------------------------------------------+ //| CALCULATE SIGNAL AND SEND ORDER | //+------------------------------------------------------------------+ void OpenOrder(){ ENUM_ORDER_TYPE OrdType = ORDER_TYPE_SELL;//-1; double TP = 0; double SL = 0; string comment = ExtBotName; //Calculate Lots double lot1 = CalculateVolume(); if(OrdType == ORDER_TYPE_SELL) { double OpenPrice = Bid - NormalizeDouble(InpSL_Pips/2 * Pips2Double, _Digits); TP = OpenPrice - NormalizeDouble(InpTP_Pips * Pips2Double, _Digits); SL = Ask + NormalizeDouble(InpSL_Pips/2 * Pips2Double, _Digits); if(CheckSpreadAllow() //Check Spread && CheckVolumeValue(lot1) //Check volume && CheckOrderForFREEZE_LEVEL(ORDER_TYPE_SELL_STOP, OpenPrice) //Check Dist from openPrice to Bid && CheckStopLoss(OpenPrice, SL, TP) //Check Dist from SL, TP to OpenPrice && CheckMoneyForTrade(m_symbol.Name(), lot1, ORDER_TYPE_SELL)) //Check Balance khi lenh cho duoc Hit { if(!m_trade.SellStop(lot1, OpenPrice, m_symbol.Name(), SL, TP, ORDER_TIME_GTC, 0, comment)) Print(__FUNCTION__,"--> OrderSend error ", m_trade.ResultComment()); } } else if(OrdType == ORDER_TYPE_BUY) { double OpenPrice = Ask + NormalizeDouble(InpSL_Pips/2 * Pips2Double, _Digits); SL = Bid - NormalizeDouble(InpSL_Pips/2 * Pips2Double, _Digits); if(CheckSpreadAllow() //Check Spread && CheckVolumeValue(lot1) //Check volume && CheckOrderForFREEZE_LEVEL(ORDER_TYPE_BUY_STOP, OpenPrice) //Check Dist from openPrice to Bid && CheckStopLoss(OpenPrice, SL, TP) //Check Dist from SL, TP to OpenPrice && CheckMoneyForTrade(m_symbol.Name(), lot1, ORDER_TYPE_BUY)) //Check Balance khi lenh cho duoc Hit { if(!m_trade.BuyStop(lot1, OpenPrice, m_symbol.Name(), SL, TP, ORDER_TIME_GTC, 0, comment))// use "ORDER_TIME_GTC" when expiration date = 0 Print(__FUNCTION__,"--> OrderSend error ", m_trade.ResultComment()); } } }
3.2 Calculate Volume
//+------------------------------------------------------------------+ //| CALCULATE VOLUME | //+------------------------------------------------------------------+ // We define the function to calculate the position size and return the lot to order. double CalculateVolume() { double LotSize = 0; if(isVolume_Percent == false) { LotSize = Inpuser_lot; } else { LotSize = (InpRisk) * m_account.FreeMargin(); LotSize = LotSize /100000; double n = MathFloor(LotSize/Inpuser_lot); //Comment((string)n); LotSize = n * Inpuser_lot; if(LotSize < Inpuser_lot) LotSize = Inpuser_lot; if(LotSize > m_symbol.LotsMax()) LotSize = m_symbol.LotsMax(); if(LotSize < m_symbol.LotsMin()) LotSize = m_symbol.LotsMin(); } //--- return(LotSize); }3.3 EA has function "trailing Stop", SL will change every time price change (down)
//+------------------------------------------------------------------+ //| TRAILING STOP | //+------------------------------------------------------------------+ void TrailingStop() { double SL_in_Pip = 0; for(int i = PositionsTotal() - 1; i >= 0; i--) { if(m_position.SelectByIndex(i)) { // selects the orders by index for further access to its properties if((m_position.Magic() == InpMagicNumber) && (m_position.Symbol() == m_symbol.Name())) { // For Buy oder if(m_position.PositionType() == POSITION_TYPE_BUY) { //--Calculate SL when price changed SL_in_Pip = NormalizeDouble(Bid - m_position.StopLoss(), _Digits) / Pips2Double; if(SL_in_Pip > InpSL_Pips) { double newSL = NormalizeDouble(Bid - InpSL_Pips * Pips2Double, _Digits); if(!m_trade.PositionModify(m_position.Ticket(), newSL, m_position.TakeProfit())) { Print(__FUNCTION__,"--> OrderModify error ", m_trade.ResultComment()); continue; } } } //For Sell Order else if(m_position.PositionType() == POSITION_TYPE_SELL) { //--Calculate SL when price changed SL_in_Pip = NormalizeDouble(m_position.StopLoss() - Bid, _Digits) / Pips2Double; if(SL_in_Pip > InpSL_Pips){ double newSL = NormalizeDouble(Bid + (InpSL_Pips) * Pips2Double, _Digits); if(!m_trade.PositionModify(m_position.Ticket(), newSL, m_position.TakeProfit())) { Print(__FUNCTION__,"--> OrderModify error ", m_trade.ResultComment()); //continue; } } } } } } //--- Modify pending order for(int i=OrdersTotal()-1; i>=0; i--) {// returns the number of current orders if(m_order.SelectByIndex(i)) { // selects the pending order by index for further access to its properties if(m_order.Symbol() == m_symbol.Name() && m_order.Magic()==InpMagicNumber) { if(m_order.OrderType() == ORDER_TYPE_BUY_STOP) { SL_in_Pip = NormalizeDouble(Bid - m_order.StopLoss(), _Digits) / Pips2Double; if(SL_in_Pip < InpSL_Pips/2) { double newOP = NormalizeDouble(Bid + (InpSL_Pips/2) * Pips2Double, _Digits); double newTP = NormalizeDouble(newOP + InpTP_Pips * Pips2Double, _Digits); double newSL = NormalizeDouble(Bid - (InpSL_Pips/2) * Pips2Double, _Digits); if(!m_trade.OrderModify(m_order.Ticket(), newOP, newSL, newTP, ORDER_TIME_GTC,0)) { Print(__FUNCTION__,"--> Modify PendingOrder error!", m_trade.ResultComment()); continue; } } } else if(m_order.OrderType() == ORDER_TYPE_SELL_STOP) { SL_in_Pip = NormalizeDouble(m_order.StopLoss() - Ask, _Digits) / Pips2Double; if(SL_in_Pip < InpSL_Pips/2){ double newOP = NormalizeDouble(Ask - (InpSL_Pips/2) * Pips2Double, _Digits); double newTP = NormalizeDouble(newOP - InpTP_Pips * Pips2Double, _Digits); double newSL = NormalizeDouble(Ask + (InpSL_Pips/2) * Pips2Double, _Digits); if(!m_trade.OrderModify(m_order.Ticket(), newOP, newSL, newTP, ORDER_TIME_GTC,0)) { Print(__FUNCTION__,"--> Modify PendingOrder error!", m_trade.ResultComment()); //continue; } } } } } } }
