public static ErrorType analzeAndProcessResult(Trade trade, MqlApi mql4)
{
int result = mql4.GetLastError();
switch (result)
{
//No Error
case 0: return (ErrorType.NO_ERROR);
// Not crucial errors
case 4:
mql4.Alert("Trade server is busy");
trade.addLogEntry("Trade server is busy. Waiting 3000ms and then re-try", true);
mql4.Sleep(3000);
return (ErrorType.RETRIABLE_ERROR);
case 135:
mql4.Alert("Price changed. Refreshing Rates");
trade.addLogEntry("Price changed. Refreshing Rates and retry", true);
mql4.RefreshRates();
return (ErrorType.RETRIABLE_ERROR);
case 136:
mql4.Alert("No prices. Refreshing Rates and retry");
trade.addLogEntry("No prices. Refreshing Rates and retry", true);
while (mql4.RefreshRates() == false)
mql4.Sleep(1);
return (ErrorType.RETRIABLE_ERROR);
case 137:
mql4.Alert("Broker is busy");
trade.addLogEntry("Broker is busy. Waiting 3000ms and then re-try", true);
mql4.Sleep(3000);
return (ErrorType.RETRIABLE_ERROR);
case 146:
mql4.Alert("Trading subsystem is busy.");
trade.addLogEntry("Trade system is busy. Waiting 500ms and then re-try", true);
mql4.Sleep(500);
return (ErrorType.RETRIABLE_ERROR);
// Critical errors
case 2:
mql4.Alert("Common error.");
trade.addLogEntry("Common error. Abort trade", true);
return (ErrorType.NON_RETRIABLE_ERROR);
case 5:
mql4.Alert("Old terminal version.");
trade.addLogEntry("Old terminal version. Abort trade", true);
return (ErrorType.NON_RETRIABLE_ERROR);
case 64:
mql4.Alert("Account blocked.");
trade.addLogEntry("Account blocked. Abort trade", true);
return (ErrorType.NON_RETRIABLE_ERROR);
case 133:
mql4.Alert("Trading forbidden.");
trade.addLogEntry("Trading forbidden. Abort trade", true);
return (ErrorType.NON_RETRIABLE_ERROR);
case 134:
mql4.Alert("Not enough money to execute operation.");
trade.addLogEntry("Not enough money to execute operation. Abort trade", true);
return (ErrorType.NON_RETRIABLE_ERROR);
case 4108:
mql4.Alert("Order ticket was not found. Abort trade");
trade.addLogEntry("Order ticket was not found. Abort trade", true);
return (ErrorType.NON_RETRIABLE_ERROR);
default:
mql4.Alert("Unknown error, error code: ", result);
return (ErrorType.NON_RETRIABLE_ERROR);
} //end of switch
}
public static ErrorType modifyOrder(int orderTicket, double newOpenPrice, double newStopLoss, double newTakeProfit, Trade trade, MqlApi mql4)
{
System.DateTime expiration = new DateTime();
System.Drawing.Color arrowColor = System.Drawing.Color.Red;
newOpenPrice = (double)Decimal.Round((decimal)newOpenPrice, mql4.Digits, MidpointRounding.AwayFromZero);
newStopLoss = (double)Decimal.Round((decimal)newStopLoss, mql4.Digits, MidpointRounding.AwayFromZero);
newTakeProfit = (double)Decimal.Round((decimal)newTakeProfit, mql4.Digits, MidpointRounding.AwayFromZero);
string newOpenPriceStr = "";
string newStopLossStr = "";
string newTakeProfitStr = "";
if (newOpenPrice != 0.0) newOpenPriceStr = "; entry price: " + mql4.DoubleToString(newOpenPrice, mql4.Digits);
if (newStopLoss != 0.0) newStopLossStr = "; stop loss: " + mql4.DoubleToString(newStopLoss, mql4.Digits);
if (newTakeProfit != 0.0) newTakeProfitStr = "; take profit: " + mql4.DoubleToString(newTakeProfit, mql4.Digits);
trade.addLogEntry("Attemting to modify order to: NewOpenPrice: " + newOpenPriceStr + " NewStopLoss: " + newStopLossStr + " NewTakeProfit: " + newTakeProfit, true);
bool res = mql4.OrderModify(orderTicket, newOpenPrice, newStopLoss, newTakeProfit, expiration, arrowColor);
ErrorType result = analzeAndProcessResult(trade, mql4);
if (result == ErrorType.NO_ERROR)
{
trade.setPlannedEntry(newOpenPrice);
trade.setStopLoss(newStopLoss);
trade.setTakeProfit(newTakeProfit);
}
return result;
}
public static ErrorType deleteOrder(int orderTicket, Trade trade, MqlApi mql4)
{
trade.addLogEntry("Attemting to delete Order (ticket number: " + mql4.IntegerToString(orderTicket) + ")", true);
mql4.ResetLastError();
bool success = mql4.OrderDelete(orderTicket, System.Drawing.Color.Red);
return analzeAndProcessResult(trade, mql4);
}
public static ErrorType submitNewOrder(int orderType, double _entryPrice, double _stopLoss, double _takeProfit, double _cancelPrice, double _positionSize, Trade trade, MqlApi mql4)
{
int maxSlippage = 4;
int magicNumber = 0;
System.DateTime expiration = new DateTime();
System.Drawing.Color arrowColor = System.Drawing.Color.Red;
double entryPrice = (double)Decimal.Round((decimal)_entryPrice, mql4.Digits, MidpointRounding.AwayFromZero);
double stopLoss = (double)Decimal.Round((decimal)_stopLoss, mql4.Digits, MidpointRounding.AwayFromZero);
double takeProfit = (double)Decimal.Round((decimal)_takeProfit, mql4.Digits, MidpointRounding.AwayFromZero);
double cancelPrice = (double)Decimal.Round((decimal)_cancelPrice, mql4.Digits, MidpointRounding.AwayFromZero);
double positionSize = (double)Decimal.Round((decimal)_positionSize, 2, MidpointRounding.AwayFromZero);
string orderTypeStr;
string entryPriceStr = "";
string stopLossStr = "";
string takeProfitStr = "";
string cancelPriceStr = "";
string positionSizeStr = "";
switch (orderType)
{
case MqlApi.OP_BUY: { orderTypeStr = "BUY Market Order"; break; }
case MqlApi.OP_SELL: { orderTypeStr = "SELl Market Order"; break; }
case MqlApi.OP_BUYLIMIT:
{
orderTypeStr = "BUY Limit Order";
if (mql4.Ask - entryPrice < mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL))
{
trade.addLogEntry("Desired entry price of " + mql4.DoubleToString(entryPrice, mql4.Digits) + " is too close to current Ask of " + mql4.DoubleToString(mql4.Ask, mql4.Digits) + " Adjusting to " + mql4.DoubleToString(mql4.Ask - mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL), mql4.Digits), true);
entryPrice = mql4.Ask - mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL);
}
break;
}
case MqlApi.OP_SELLLIMIT:
{
orderTypeStr = "SELL Limit Order";
if (entryPrice - mql4.Bid < mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL))
{
trade.addLogEntry("Desired entry price of " + mql4.DoubleToString(entryPrice, mql4.Digits) + " is too close to current Bid of " + mql4.DoubleToString(mql4.Bid, mql4.Digits) + " Adjusting to " + mql4.DoubleToString(mql4.Bid + mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL), mql4.Digits), true);
entryPrice = mql4.Bid + mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL);
}
break;
}
case MqlApi.OP_BUYSTOP:
{
orderTypeStr = "BUY Stop Order";
//check if entryPrice is too close to market price and adjust accordingly
if (entryPrice - mql4.Ask < mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL))
{
trade.addLogEntry("Desired entry price of " + mql4.DoubleToString(entryPrice, mql4.Digits) + " is too close to current Ask of " + mql4.DoubleToString(mql4.Ask, mql4.Digits) + " Adjusting to " + mql4.DoubleToString(mql4.Ask + mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL), mql4.Digits), true);
entryPrice = mql4.Ask + mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL);
}
break;
}
case MqlApi.OP_SELLSTOP:
{
orderTypeStr = "SELL Stop Order";
if (mql4.Bid - entryPrice < mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL))
{
trade.addLogEntry("Desired entry price of " + mql4.DoubleToString(entryPrice, mql4.Digits) + " is too close to current Bid of " + mql4.DoubleToString(mql4.Bid, mql4.Digits) + " Adjusting to " + mql4.DoubleToString(mql4.Bid - mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL), mql4.Digits), true);
entryPrice = mql4.Bid - mql4.MarketInfo(mql4.Symbol(), MqlApi.MODE_STOPLEVEL);
}
break;
}
default: { trade.addLogEntry("Invalid Order Type. Abort Trade", true); return ErrorType.NON_RETRIABLE_ERROR; }
}
if (entryPrice != 0) entryPriceStr = "; entry price: " + mql4.DoubleToString(entryPrice, mql4.Digits);
if (stopLoss != 0) stopLossStr = "; stop loss: " + mql4.DoubleToString(stopLoss, mql4.Digits);
if (takeProfit != 0) takeProfitStr = "; take profit: " + mql4.DoubleToString(takeProfit, mql4.Digits);
if (cancelPrice != 0) cancelPriceStr = "; cancel price: " + mql4.DoubleToString(cancelPrice, mql4.Digits);
positionSizeStr = "; position size: " + mql4.DoubleToString(positionSize, 2) + " lots";
trade.addLogEntry("Attemting to place " + orderTypeStr + entryPriceStr + stopLossStr + takeProfitStr + cancelPriceStr + positionSizeStr, true);
int ticket = mql4.OrderSend(mql4.Symbol(), orderType, positionSize, entryPrice, maxSlippage, stopLoss, takeProfit, trade.getId(), magicNumber, expiration, arrowColor);
ErrorType result = analzeAndProcessResult(trade, mql4);
if (result == ErrorType.NO_ERROR)
{
trade.setPlannedEntry(entryPrice);
trade.setStopLoss(stopLoss);
trade.setOriginalStopLoss(stopLoss);
trade.setTakeProfit(takeProfit);
trade.setCancelPrice(cancelPrice);
trade.setPositionSize(positionSize);
trade.Order.OrderTicket = ticket;
}
return result;
}