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;
}
}
}
}
}
}
}