Fix bot launch errors

src/Managing.Application/Bots/TradingBot.cs

@@ -99,7 +99,15 @@ public class TradingBot : Bot, ITradingBot
             LoadScenario();
             await PreloadCandles();
             await CancelAllOrders();
-            await MessengerService.SendMessage($"Hi everyone, I'm going to run {Name}. \nI will send a message here everytime a signal is triggered by the {string.Join(",", Strategies.Select(s => s.Name))} strategies.");
+
+            try
+            {   
+                await MessengerService.SendMessage($"Hi everyone, I'm going to run {Name}. \nI will send a message here everytime a signal is triggered by the {string.Join(",", Strategies.Select(s => s.Name))} strategies.");
+            }
+            catch (Exception ex)
+            {
+                Logger.LogError(ex, ex.Message);
+            }
             await InitWorker(Run);
         }
 
@@ -553,7 +561,7 @@ public class TradingBot : Bot, ITradingBot
 
     private async Task CancelAllOrders()
     {
-        if (!IsForBacktest)
+        if (!IsForBacktest && !IsForWatchingOnly)
         {
             try
             {

src/Managing.Application/ManageBot/BackupBotCommandHandler.cs

@@ -2,21 +2,16 @@
 using MediatR;
 using static Managing.Common.Enums;
 using Managing.Application.Abstractions;
-using Managing.Application.ManageBot.Commands;
-using Managing.Domain.MoneyManagements;
 
 namespace Managing.Application.ManageBot
 {
     public class BackupBotCommandHandler : IRequestHandler<BackupBotCommand, bool>
     {
-        private readonly IBotFactory _botFactory;
         private readonly ITaskCache _taskCache;
-        private readonly IMoneyManagementService _moneyManagementService;
         private readonly IBotService _botService;
 
-        public BackupBotCommandHandler(IBotFactory botFactory, ITaskCache taskCache, IBotService botService)
+        public BackupBotCommandHandler(ITaskCache taskCache, IBotService botService)
         {
-            _botFactory = botFactory;
             _taskCache = taskCache;
             _botService = botService;
         }

src/Managing.Application/ManageBot/BotService.cs

@@ -1,6 +1,4 @@
 using Managing.Application.Abstractions;
-using Newtonsoft.Json;
-using System.IO;
 
 namespace Managing.Application.ManageBot
 {

src/Managing.Application/Trading/TradingService.cs

@@ -206,7 +206,7 @@ public class TradingService : ITradingService
 
         return _cacheService.GetOrSave($"Fee-{account.Exchange}", () =>
         {
-            return _tradingRepository.GetFee(TradingExchanges.Evm).Cost;
+            return _tradingRepository.GetFee(TradingExchanges.Evm)?.Cost ?? 0m;
         }, TimeSpan.FromHours(2));
     }