diff --git a/.gitignore b/.gitignore
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--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+
+.DS_Store
diff --git a/Experts/api.mq5 b/Experts/api.mq5
new file mode 100644
index 0000000..28140e4
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diff --git a/Experts/backtrader.mq5 b/Experts/backtrader.mq5
deleted file mode 100644
index ebc4839..0000000
--- a/Experts/backtrader.mq5
+++ /dev/null
@@ -1,611 +0,0 @@
-//+------------------------------------------------------------------+
-//
-// Copyright (C) 2019 Nikolai Khramkov
-//
-// This program is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-//
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with this program.  If not, see <http://www.gnu.org/licenses/>.
-//
-//+------------------------------------------------------------------+
-
-// TODO: Close position
-// TODO: Close orders
-// TODO: Check If SymbolExist
-// TODO: Check TF according to request -> change
-// TODO: Check chart symbol according to request -> change
-// TODO: RETURN OK or error
-// TODO: Write comment about sockets
-// TODO: Add defauld dict check
-// TODO: Change description
-// TODO: Comissinos
-
-#property copyright "Copyright 2019, Nikolai Khramkov."
-#property link      "https://github.com/khramkov"
-#property version   "0.70"
-
-#include <Zmq/Zmq.mqh>
-#include <json.mqh>
-
-extern string PROJECT_NAME="Backtrader <-> Metatrader 5 interface";
-extern string PROTOCOL="tcp";
-extern string HOST="*";
-extern int SYS_PORT=15555;
-extern int DATA_PORT=15556;
-extern int LIVE_PORT=15557;
-extern int MILLISECOND_TIMER=1;  // 1 millisecond
-
-// ZeroMQ Cnnections
-Context context(PROJECT_NAME);
-Socket sysSocket(context,ZMQ_REP);
-Socket dataSocket(context,ZMQ_PUSH);
-Socket liveSocket(context,ZMQ_PUSH);
-
-// Global variables
-bool debug = true;
-datetime lastBar = 0;
-string symbol = _Symbol;
-ENUM_TIMEFRAMES period = _Period;
-
-//+------------------------------------------------------------------+
-//| Expert initialization function                                   |
-//+------------------------------------------------------------------+
-int OnInit()
-  {
-   /*
-       Bindinig ZMQ ports on init
-   */
-
-   // Set Millisecond Timer to get client socket input
-   EventSetMillisecondTimer(MILLISECOND_TIMER);
-
-   Print("[REP] Binding System Socket on port "+IntegerToString(SYS_PORT)+"...");
-   sysSocket.bind(StringFormat("%s://%s:%d",PROTOCOL,HOST,SYS_PORT));
-   
-   Print("[PUSH] Binding Data Socket on port "+IntegerToString(DATA_PORT)+"...");
-   dataSocket.bind(StringFormat("%s://%s:%d",PROTOCOL,HOST,DATA_PORT));
-   
-   Print("[PUSH] Binding Live Socket on port "+IntegerToString(LIVE_PORT)+"...");
-   liveSocket.bind(StringFormat("%s://%s:%d",PROTOCOL,HOST,LIVE_PORT));
-
-   // Maximum amount of time in milliseconds that the thread will try to send messages 
-   // after its socket has been closed (the default value of -1 means to linger forever):
-   sysSocket.setLinger(1000);
-
-   // How many messages do we want ZeroMQ to buffer in RAM before blocking the socket?
-   // 3 messages only.
-   sysSocket.setSendHighWaterMark(3);
-   dataSocket.setSendHighWaterMark(3);
-   liveSocket.setSendHighWaterMark(3);
-
-   return(INIT_SUCCEEDED);
-  }
-//+------------------------------------------------------------------+
-//| Expert deinitialization function                                 |
-//+------------------------------------------------------------------+
-void OnDeinit(const int reason)
-  {
-   /*
-       Closing ports on denit
-   */
-   Print("[REP] Unbinding socket on port "+IntegerToString(SYS_PORT)+"..");
-   sysSocket.unbind(StringFormat("%s://%s:%d",PROTOCOL,HOST,SYS_PORT));
-
-   Print("[PUSH] Unbinding socket on port "+IntegerToString(DATA_PORT)+"..");
-   dataSocket.unbind(StringFormat("%s://%s:%d",PROTOCOL,HOST,DATA_PORT));
-
-   Print("[PUSH] Unbinding socket on port "+IntegerToString(LIVE_PORT)+"..");
-   liveSocket.unbind(StringFormat("%s://%s:%d",PROTOCOL,HOST,LIVE_PORT));
-
-  }
-//+------------------------------------------------------------------+
-//| Expert timer function                                            |
-//+------------------------------------------------------------------+
-void OnTimer()
-  {
-   ZmqMsg request;
-   
-   // Get client's response, but don't wait.
-   sysSocket.recv(request,true);
-
-   // Generating reply by passing request to ZmqMsg MessageHandler() function.
-   ZmqMsg reply=MessageHandler(request);
-
-   // Reply  to client via REP socket.
-   sysSocket.send(reply);
-  }
-  
-//+------------------------------------------------------------------+
-//| Request handler                                                  |
-//+------------------------------------------------------------------+
-ZmqMsg MessageHandler(ZmqMsg &request)
-  {
-   ZmqMsg reply;
-   CJAVal message;
-
-   if(request.size()>0)
-     {
-      
-      string msg=request.getData();
-      
-      if(debug==true) {Print("Processing request:"+msg);}
-         
-      if(!message.Deserialize(msg))
-        {
-         Alert("Deserialization Error");
-         
-         //ExpertRemove();
-         //return;
-        }
-      
-      string action = message["action"].ToStr();
-      
-      if(action=="CHECK") {CheckConnection(&dataSocket, &liveSocket);}
-      else if(action=="CONFIG") {ConfigScript(&dataSocket, message);}
-      else if(action=="ACCOUNT") {AccountInfo(&dataSocket);}
-      else if(action=="BALANCE") {BalanceInfo(&dataSocket);}
-      else if(action=="HISTORY") {HistoryInfo(&dataSocket, message);}
-      else if(action=="POSITIONS_INFO") {GetPositionsInfo(&dataSocket);}
-      else if(action=="ORDERS_INFO") {GetOrdersInfo(&dataSocket);}
-      else if(action=="TRADE") {TradingModule(&dataSocket, message);}
-      else {} // error processing
-      
-      // Construct response
-      ZmqMsg ret("OK");
-      reply=ret;
-
-     }
-   else
-     {
-      // NO DATA RECEIVED
-      ZmqMsg ret("FALSE");
-      reply=ret;
-     }
-
-   return(reply);
-  }
-
-//+------------------------------------------------------------------+
-//| Check sockets connection                                         |
-//+------------------------------------------------------------------+
-void CheckConnection (Socket &dataSocket, Socket &liveSocket)
-   {
-      InformClientSocket(dataSocket,"OK");
-      InformClientSocket(liveSocket,"OK");
-   }
-
-
-//+------------------------------------------------------------------+
-//| Reconfigure the script params                                    |
-//+------------------------------------------------------------------+
-void ConfigScript(Socket &dataSocket, CJAVal &dataObject)
-  {  
-
-  }
-
-//+------------------------------------------------------------------+
-//| Change chart timeframe                                           |
-//+------------------------------------------------------------------+
-void CheckTimeframe(Socket &dataSocket, CJAVal &dataObject)
-  {
-      string chartTF=dataObject["chartTF"].ToStr();
-      
-      if(chartTF=="1m") {period=PERIOD_M1;}
-      else if(chartTF=="5m") {period=PERIOD_M5;}
-      else if(chartTF=="15m") {period=PERIOD_M15;}
-      else if(chartTF=="30m") {period=PERIOD_M30;}
-      else if(chartTF=="1h") {period=PERIOD_H1;}
-      else if(chartTF=="2h") {period=PERIOD_H2;}
-      else if(chartTF=="3h") {period=PERIOD_H3;}
-      else if(chartTF=="4h") {period=PERIOD_H4;}
-      else if(chartTF=="6h") {period=PERIOD_H6;}
-      else if(chartTF=="8h") {period=PERIOD_H8;}
-      else if(chartTF=="12h") {period=PERIOD_H12;}
-      else if(chartTF=="1d") {period=PERIOD_D1;}
-      else if(chartTF=="1w") {period=PERIOD_W1;}
-      else if(chartTF=="1M") {period=PERIOD_MN1;}
-  }
-  
-//+------------------------------------------------------------------+
-//| Account information                                              |
-//+------------------------------------------------------------------+
-void AccountInfo(Socket &dataSocket)
-  {  
-      CJAVal info;
-      
-      info["brocker"] = AccountInfoString(ACCOUNT_COMPANY);
-      info["currency"] = AccountInfoString(ACCOUNT_CURRENCY);
-      info["server"] = AccountInfoString(ACCOUNT_SERVER);    
-      info["balance"] = AccountInfoDouble(ACCOUNT_BALANCE);
-      info["equity"] = AccountInfoDouble(ACCOUNT_EQUITY);
-      info["margin"] = AccountInfoDouble(ACCOUNT_MARGIN);
-      info["margin_free"] = AccountInfoDouble(ACCOUNT_MARGIN_FREE);
-      info["margin_level"] = AccountInfoDouble(ACCOUNT_MARGIN_LEVEL);
-      info["bot_trading"] = AccountInfoInteger(ACCOUNT_TRADE_EXPERT);
-      string t=info.Serialize();
-      if(debug==true) {Print(t);}
-      InformClientSocket(dataSocket,t);
-  }
-
-//+------------------------------------------------------------------+
-//| Balance information                                              |
-//+------------------------------------------------------------------+
-void BalanceInfo(Socket &dataSocket)
-  {  
-      CJAVal info;
-         
-      info["balance"] = AccountInfoDouble(ACCOUNT_BALANCE);
-      info["equity"] = AccountInfoDouble(ACCOUNT_EQUITY);
-      info["margin"] = AccountInfoDouble(ACCOUNT_MARGIN);
-      info["margin_free"] = AccountInfoDouble(ACCOUNT_MARGIN_FREE);
-      string t=info.Serialize();
-      if(debug==true) {Print(t);}
-      InformClientSocket(dataSocket,t);
-  }
-  
-
-//+------------------------------------------------------------------+
-//| Get historical data                                              |
-//+------------------------------------------------------------------+
-void HistoryInfo(Socket &dataSocket, CJAVal &dataObject)
-  {   
-      CJAVal candles;
-      MqlRates rates[];
-      
-      int copied;    
-      string actionType=dataObject["actionType"].ToStr();
-      string symbol=dataObject["symbol"].ToStr();
-      string chartTF=dataObject["chartTF"].ToStr();
-      datetime startTime=dataObject["startTime"].ToInt();
-
-      if(debug==true)
-         {
-         Print("Fetching HISTORY");
-         Print("1) Symbol:"+symbol);
-         Print("2) Timeframe:"+chartTF);
-         Print("3) Date from:"+TimeToString(startTime));
-         }
-      copied=CopyRates(symbol,period,startTime,TimeCurrent(),rates);
-      if(copied)
-
-        {
-         for(int i=0;i<copied;i++)
-           {
-            candles[i].Add(rates[i].time,TIME_DATE|TIME_MINUTES|TIME_SECONDS);
-            candles[i].Add(rates[i].open);
-            candles[i].Add(rates[i].high);
-            candles[i].Add(rates[i].low);
-            candles[i].Add(rates[i].close);
-            candles[i].Add(rates[i].tick_volume);
-           }
-         string t=candles.Serialize();
-         if(debug==true) {Print(t);}
-         InformClientSocket(dataSocket,t);
-        }
-  }
-
-//+------------------------------------------------------------------+
-//| Fetch positions information                               |
-//+------------------------------------------------------------------+
-void GetPositionsInfo(Socket &dataSocket)
-  {
-   
-   if(debug==true) {Print("Fetching positions...");}
-   
-   CJAVal data, position;
-
-   // get positions  
-   int positionsTotal=PositionsTotal();
-   if(positionsTotal!=0)
-     {
-      // go through positions in a loop
-      for(int i=0;i<positionsTotal;i++)
-        {
-         ResetLastError();
-         // copy into the cache, the position by its number in the list
-         // the position was copied into the cache, work with it
-         if(PositionGetSymbol(i)!="")
-            {
-               position["id"] = PositionGetInteger(POSITION_IDENTIFIER);
-               position["magic"] = PositionGetInteger(POSITION_MAGIC);
-               position["symbol"] = PositionGetString(POSITION_SYMBOL);
-               position["type"] = EnumToString(ENUM_POSITION_TYPE(PositionGetInteger(POSITION_TYPE)));
-               position["time_setup"]=PositionGetInteger(POSITION_TIME);
-               position["open"] = PositionGetDouble(POSITION_PRICE_OPEN);
-               position["stoploss"] = PositionGetDouble(POSITION_SL);
-               position["takeprofit"] = PositionGetDouble(POSITION_TP);
-               position["volume"] = PositionGetDouble(POSITION_VOLUME);
-               
-               data["positions"].Add(position);
-            }
-         else        
-           {
-            // call PositionGetSymbol() was completed unsuccessfully
-            data["error"]= GetLastError();
-            PrintFormat("Error when obtaining an positions from the list to the cache. Error code: %d",GetLastError());
-           }
-         }
-       }
-       
-    else
-       {
-         // if no open positions
-         data["positions"].Add(0);
-       }
-    
-    string t=data.Serialize();
-    if(debug==true) {Print(t);}
-    InformClientSocket(dataSocket,t);
-     
-  }
-
-//+------------------------------------------------------------------+
-//| Fetch orders information                               |
-//+------------------------------------------------------------------+
-void GetOrdersInfo(Socket &dataSocket)
-  {
-   
-   if(debug==true) {Print("Fetching orders...");}
-   
-   CJAVal data, order;
-
-   // get orders  
-   int ordersTotal=OrdersTotal();
-   if(ordersTotal!=0)
-     {
-      // go through orders in a loop 
-      for(int i=0;i<ordersTotal;i++)
-       {
-         ResetLastError();
-         // copy into the cache, the order by its number in the list
-         ulong ticket=OrderGetTicket(i);
-         Print(ticket);
-         // if the order was successfully copied into the cache, work with it
-         if(ticket!=0)
-           {
-            order["id"] = IntegerToString(ticket);
-            order["magic"] = OrderGetInteger(ORDER_MAGIC); 
-            order["symbol"] = OrderGetString(ORDER_SYMBOL);
-            order["type"] = EnumToString(ENUM_ORDER_TYPE(OrderGetInteger(ORDER_TYPE)));
-            order["time_setup"]=OrderGetInteger(ORDER_TIME_SETUP);
-            order["open"] = OrderGetDouble(ORDER_PRICE_OPEN);
-            order["stoploss"] = OrderGetDouble(ORDER_SL);
-            order["takeprofit"] = OrderGetDouble(ORDER_TP);
-            order["volume"] = OrderGetDouble(ORDER_VOLUME_INITIAL);
-      
-            data["orders"].Add(order);
-            
-           }
-         else        
-           {
-            // call OrderGetTicket() was completed unsuccessfully
-            data["error"]= GetLastError();
-            PrintFormat("Error when obtaining an order from the list to the cache. Error code: %d",GetLastError());
-           }
-        }
-      }
-    
-    else
-      {  
-         // if no open orders  
-         data["orders"].Add(0);
-      }
-    
-    string t=data.Serialize();
-    if(debug==true) {Print(t);}
-    InformClientSocket(dataSocket,t);
-    
-    
-  }
-
-//+------------------------------------------------------------------+
-//| Trading module                                                   |
-//+------------------------------------------------------------------+
-void TradingModule(Socket &dataSocket, CJAVal &dataObject)
-  {
-
-   string actionType = dataObject["actionType"].ToStr();
-
-   if(actionType=="ORDER_TYPE_BUY" || actionType=="ORDER_TYPE_SELL")
-     {
-      ResetLastError();
-      MqlTradeRequest order={0};
-      MqlTradeResult  result={0};
-
-      order.action=TRADE_ACTION_DEAL;
-      order.symbol=dataObject["symbol"].ToStr();
-      order.volume=dataObject["volume"].ToDbl();
-
-      if(actionType=="ORDER_TYPE_BUY")
-        {
-         order.type=ORDER_TYPE_BUY;
-         order.price=SymbolInfoDouble(symbol,SYMBOL_ASK);
-        }
-      else if(actionType=="ORDER_TYPE_SELL")
-        {
-         order.type=ORDER_TYPE_SELL;                         
-         order.price=SymbolInfoDouble(symbol,SYMBOL_BID);
-        }
-      else Alert("Something wrong with market orders...");
-      
-      order.sl=dataObject["stoploss"].ToDbl();
-      order.tp=dataObject["takeprofit"].ToDbl();
-      order.deviation=dataObject["deviation"].ToInt();
-      
-      bool success=OrderSend(order,result); 
-      if(!success) {InformClientSocket(dataSocket,StringFormat("OrderSend error %d",GetLastError()));}
-      else {
-         CJAVal conf;
-
-         conf["retcode"] = (int) result.retcode;
-         conf["deal"] = (string)result.deal;
-         conf["order"] = "null";
-         conf["volume"] = result.volume;
-         conf["price"] = result.price;
-         conf["bid"] = result.bid;
-         conf["ask"] = result.ask;
-         conf["comment"] = result.comment;
-         
-         string t=conf.Serialize();
-         if(debug==true) { Print("Order conformation: "+t);}
-         InformClientSocket(dataSocket,t);
-       }
-     }
-
-   else if(actionType=="ORDER_TYPE_BUY_LIMIT" || actionType=="ORDER_TYPE_SELL_LIMIT" || actionType=="ORDER_TYPE_BUY_STOP" || actionType=="ORDER_TYPE_SELL_STOP")
-     {
-      
-      ResetLastError();
-      MqlTradeRequest order={0};
-      MqlTradeResult  result={0};
-
-      order.action=TRADE_ACTION_PENDING;
-      order.symbol=dataObject["symbol"].ToStr();
-      order.volume=dataObject["volume"].ToDbl();
-      
-      // setting order type
-      if(actionType=="ORDER_TYPE_BUY_LIMIT") {order.type=ORDER_TYPE_BUY_LIMIT;}
-      else if(actionType=="ORDER_TYPE_SELL_LIMIT"){order.type=ORDER_TYPE_SELL_LIMIT;}
-      else if(actionType=="ORDER_TYPE_BUY_STOP"){order.type=ORDER_TYPE_BUY_STOP;}
-      else if(actionType=="ORDER_TYPE_SELL_STOP"){order.type=ORDER_TYPE_SELL_STOP;}
-      else Alert("Something wrong with pending orders...");
-      
-      order.price=NormalizeDouble(dataObject["price"].ToDbl(),_Digits);
-      order.sl=dataObject["stoploss"].ToDbl();
-      order.tp=dataObject["takeprofit"].ToDbl();
-      order.deviation=dataObject["deviation"].ToInt();
-      order.type_time=ORDER_TIME_DAY;
-      order.type_filling=ORDER_FILLING_RETURN;
-      
-      bool success=OrderSend(order,result); 
-      if(!success) {InformClientSocket(dataSocket,StringFormat("OrderSend error %d",GetLastError()));}
-      else {
-         CJAVal conf;
-
-         conf["retcode"] = (int) result.retcode;
-         conf["deal"] = "null";
-         conf["order"] = (string)result.order;
-         conf["volume"] = result.volume;
-         conf["price"] = result.price;
-         conf["bid"] = result.bid;
-         conf["ask"] = result.ask;
-         conf["comment"] = result.comment;
-         
-         string t=conf.Serialize();
-         if(debug==true) { Print("Order conformation: "+t);}
-         InformClientSocket(dataSocket,t);
-       }
-     }
-     
-   else if(actionType=="CLOSE_POSITION")
-     {
-      
-      ResetLastError();
-      MqlTradeRequest order={0};
-      MqlTradeResult  result={0};
-
-      order.action=TRADE_ACTION_PENDING;
-      order.symbol=dataObject["symbol"].ToStr();
-      order.volume=dataObject["volume"].ToDbl();
-      
-      // setting order type
-      if(actionType=="ORDER_TYPE_BUY_LIMIT") {order.type=ORDER_TYPE_BUY_LIMIT;}
-      else if(actionType=="ORDER_TYPE_SELL_LIMIT"){order.type=ORDER_TYPE_SELL_LIMIT;}
-      else if(actionType=="ORDER_TYPE_BUY_STOP"){order.type=ORDER_TYPE_BUY_STOP;}
-      else if(actionType=="ORDER_TYPE_SELL_STOP"){order.type=ORDER_TYPE_SELL_STOP;}
-      else Alert("Something wrong with pending orders...");
-      
-      order.price=NormalizeDouble(dataObject["price"].ToDbl(),_Digits);
-      order.sl=dataObject["stoploss"].ToDbl();
-      order.tp=dataObject["takeprofit"].ToDbl();
-      order.deviation=dataObject["deviation"].ToInt();
-      order.type_time=ORDER_TIME_DAY;
-      order.type_filling=ORDER_FILLING_RETURN;
-      
-      bool success=OrderSend(order,result); 
-      if(!success) {InformClientSocket(dataSocket,StringFormat("OrderSend error %d",GetLastError()));}
-      else {
-         CJAVal conf;
-
-         conf["retcode"] = (int) result.retcode;
-         conf["deal"] = "null";
-         conf["order"] = (string)result.order;
-         conf["volume"] = result.volume;
-         conf["price"] = result.price;
-         conf["bid"] = result.bid;
-         conf["ask"] = result.ask;
-         conf["comment"] = result.comment;
-         
-         string t=conf.Serialize();
-         if(debug==true) { Print("Order conformation: "+t);}
-         InformClientSocket(dataSocket,t);
-       }
-     } 
-  }
-
-//+------------------------------------------------------------------+
-//| Inform Client via socket                                         |
-//+------------------------------------------------------------------+
-void InformClientSocket(Socket &workingSocket,string replyMessage)
-  {
-   ZmqMsg pushReply(StringFormat("%s",replyMessage));
-   
-   // workingSocket.send(pushReply,false); // BLOCKING
-   workingSocket.send(pushReply,true); // NON-BLOCKING                                   
-  }
-  
-//+------------------------------------------------------------------+
-//| Trade function                                                   |
-//+------------------------------------------------------------------+
-void OnTrade()
-  {
-//---
-
-  }
-//+------------------------------------------------------------------+
-
-//+------------------------------------------------------------------+
-//| Tick function                                                    |
-//+------------------------------------------------------------------+
-void OnTick()
-  {
-
-//+------------------------------------------------------------------+
-//| Push candle on close to liveSocket                               |
-//+------------------------------------------------------------------+
-   datetime thisBar=(datetime)SeriesInfoInteger(symbol,period,SERIES_LASTBAR_DATE);
-   
-   if(lastBar!=thisBar)
-     {
-      MqlRates rates[1];
-      CJAVal candle;
-
-      if(CopyRates(symbol,period,1,1,rates)!=1) { /*error processing */ };
-      
-      candle[0] = (long) rates[0].time;
-      candle[1] = (double) rates[0].open;
-      candle[2] = (double) rates[0].high;
-      candle[3] = (double) rates[0].low;
-      candle[4] = (double) rates[0].close;
-      candle[5] = (double) rates[0].tick_volume;
-      
-      string t=candle.Serialize();
-      if(debug==true) 
-         {
-            PrintFormat("New candle: %s %s",TimeToString(rates[0].time), t);
-         }
-      InformClientSocket(liveSocket,t);
-
-      lastBar=thisBar;
-     }
-
-  }
-//+------------------------------------------------------------------+