62 lines
3 KiB
MQL4
62 lines
3 KiB
MQL4
//+------------------------------------------------------------------+
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//| trade.mq4 |
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//| nuric |
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//| https://github.com/nuric/mt4-tcp |
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//+------------------------------------------------------------------+
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#property library
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#property copyright "nuric"
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#property link "https://github.com/nuric/mt4-tcp"
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#property version "1.00"
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#property strict
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//+------------------------------------------------------------------+
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//| Close given order ticket |
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//+------------------------------------------------------------------+
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bool CloseOrder(int ticket) export
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{
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if(!IsTradeAllowed() || !OrderSelect(ticket,SELECT_BY_TICKET))
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return false;
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double price=OrderType()==OP_BUY ? Bid : Ask;
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return OrderClose(OrderTicket(),OrderLots(),price,3);
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}
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//+------------------------------------------------------------------+
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//| Place a buy order, return ticket |
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//+------------------------------------------------------------------+
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int Buy(double lots=0.01,double stoploss=0,double takeprofit=0) export
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{
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// Check context and place the order
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if(!IsTradeAllowed()) return -1;
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return OrderSend(Symbol(),OP_BUY,lots,Ask,3,stoploss,takeprofit);
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}
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//+------------------------------------------------------------------+
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//| Buy only if given ticket is not live, close ticket if needed |
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//+------------------------------------------------------------------+
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int SingleBuy(int ticket,double lots=0.01,double stoploss=0,double takeprofit=0) export
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{
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// Is the current ticket already a buy order?
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if(!IsTradeAllowed() || (OrderSelect(ticket,SELECT_BY_TICKET) && OrderCloseTime()==0 && OrderType()==OP_BUY))
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return -1; // The last order is still alive
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// If it is a sell order then close it as we want to buy now
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if(OrderCloseTime()==0 && OrderType()==OP_SELL)
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CloseOrder(ticket);
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return Buy(lots, stoploss, takeprofit);
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}
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//+------------------------------------------------------------------+
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//| Place a sell order, return ticket |
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//+------------------------------------------------------------------+
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int Sell(double lots=0.01,double stoploss=0,double takeprofit=0) export
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{
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if(!IsTradeAllowed()) return -1;
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return OrderSend(Symbol(),OP_SELL,lots,Bid,3,stoploss,takeprofit);
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}
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//+------------------------------------------------------------------+
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//| Sell only if given ticket is not live, close ticket if needed |
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//+------------------------------------------------------------------+
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int SingleSell(int ticket,double lots=0.01,double stoploss=0,double takeprofit=0) export
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{
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if(!IsTradeAllowed() || (OrderSelect(ticket,SELECT_BY_TICKET) && OrderCloseTime()==0 && OrderType()==OP_SELL))
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return -1;
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if(OrderCloseTime()==0 && OrderType()==OP_BUY)
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CloseOrder(ticket);
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return Sell(lots, stoploss, takeprofit);
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}
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//+------------------------------------------------------------------+
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