Updated to version 9.2.1

CryptoExchange.Net/Clients/SocketApiClient.cs

@@ -82,6 +82,11 @@ namespace CryptoExchange.Net.Clients
         /// </summary>
         protected bool AllowTopicsOnTheSameConnection { get; set; } = true;
 
+        /// <summary>
+        /// Whether to continue processing and forward unparsable messages to handlers
+        /// </summary>
+        protected internal bool ProcessUnparsableMessages { get; set; } = false;
+
         /// <inheritdoc />
         public double IncomingKbps
         {

CryptoExchange.Net/CryptoExchange.Net.csproj

@@ -6,9 +6,9 @@
     <PackageId>CryptoExchange.Net</PackageId>
     <Authors>JKorf</Authors>
     <Description>CryptoExchange.Net is a base library which is used to implement different cryptocurrency (exchange) API's. It provides a standardized way of implementing different API's, which results in a very similar experience for users of the API implementations.</Description>
-    <PackageVersion>9.2.0</PackageVersion>
-    <AssemblyVersion>9.2.0</AssemblyVersion>
-    <FileVersion>9.2.0</FileVersion>
+    <PackageVersion>9.2.1</PackageVersion>
+    <AssemblyVersion>9.2.1</AssemblyVersion>
+    <FileVersion>9.2.1</FileVersion>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <PackageTags>OKX;OKX.Net;Mexc;Mexc.Net;Kucoin;Kucoin.Net;Kraken;Kraken.Net;Huobi;Huobi.Net;CoinEx;CoinEx.Net;Bybit;Bybit.Net;Bitget;Bitget.Net;Bitfinex;Bitfinex.Net;Binance;Binance.Net;CryptoCurrency;CryptoCurrency Exchange</PackageTags>
     <RepositoryType>git</RepositoryType>

CryptoExchange.Net/Sockets/SocketConnection.cs

@@ -11,8 +11,6 @@ using System.Diagnostics;
 using CryptoExchange.Net.Clients;
 using CryptoExchange.Net.Logging.Extensions;
 using System.Threading;
-using CryptoExchange.Net.Objects.Options;
-using CryptoExchange.Net.Authentication;
 
 namespace CryptoExchange.Net.Sockets
 {
@@ -475,7 +473,7 @@ namespace CryptoExchange.Net.Sockets
                     _logger.ReceivedData(SocketId, originalData);
                 }
 
-                if (!accessor.IsValid)
+                if (!accessor.IsValid && !ApiClient.ProcessUnparsableMessages)
                 {
                     _logger.FailedToParse(SocketId, result.Error!.Message);
                     return;

CryptoExchange.Net/Trackers/Klines/KlineTracker.cs

@@ -176,18 +176,32 @@ namespace CryptoExchange.Net.Trackers.Klines
             Status = SyncStatus.Syncing;
             _logger.KlineTrackerStarting(SymbolName);
 
-            var startResult = await DoStartAsync().ConfigureAwait(false);
-            if (!startResult)
+            var subResult = await _socketClient.SubscribeToKlineUpdatesAsync(new SubscribeKlineRequest(Symbol, _interval),
+                 update =>
+                 {
+                     AddOrUpdate(update.Data);
+                 }).ConfigureAwait(false);
+
+            if (!subResult)
             {
-                _logger.KlineTrackerStartFailed(SymbolName, startResult.Error!.Message, startResult.Error.Exception);
+                _logger.KlineTrackerStartFailed(SymbolName, subResult.Error!.Message, subResult.Error.Exception);
                 Status = SyncStatus.Disconnected;
-                return new CallResult(startResult.Error!);
+                return subResult;
             }
 
-            _updateSubscription = startResult.Data;
+            _updateSubscription = subResult.Data;
             _updateSubscription.ConnectionLost += HandleConnectionLost;
             _updateSubscription.ConnectionClosed += HandleConnectionClosed;
             _updateSubscription.ConnectionRestored += HandleConnectionRestored;
+
+            var startResult = await DoStartAsync().ConfigureAwait(false);
+            if (!startResult)
+            {
+                _ = subResult.Data.CloseAsync();
+                Status = SyncStatus.Disconnected;                
+                return new CallResult(startResult.Error!);
+            }
+
             Status = SyncStatus.Synced;
             _logger.KlineTrackerStarted(SymbolName);
             return CallResult.SuccessResult;
@@ -208,22 +222,10 @@ namespace CryptoExchange.Net.Trackers.Klines
         /// The start procedure needed for kline syncing, generally subscribing to an update stream and requesting the snapshot
         /// </summary>
         /// <returns></returns>
-        protected virtual async Task<CallResult<UpdateSubscription>> DoStartAsync()
+        protected virtual async Task<CallResult> DoStartAsync()
         {
-            var subResult = await _socketClient.SubscribeToKlineUpdatesAsync(new SubscribeKlineRequest(Symbol, _interval),
-                 update =>
-                 {
-                     AddOrUpdate(update.Data);
-                 }).ConfigureAwait(false);
-
-            if (!subResult)
-            {
-                Status = SyncStatus.Disconnected;
-                return subResult;
-            }
-
             if (!_startWithSnapshot)
-                return subResult;
+                return CallResult.SuccessResult;
 
             var startTime = Period == null ? (DateTime?)null : DateTime.UtcNow.Add(-Period.Value);
             if (_restClient.GetKlinesOptions.MaxAge != null && DateTime.UtcNow.Add(-_restClient.GetKlinesOptions.MaxAge.Value) > startTime)
@@ -236,11 +238,7 @@ namespace CryptoExchange.Net.Trackers.Klines
             await foreach (var result in ExchangeHelpers.ExecutePages(_restClient.GetKlinesAsync, request).ConfigureAwait(false))
             {
                 if (!result)
-                {
-                    _ = subResult.Data.CloseAsync();
-                    Status = SyncStatus.Disconnected;
-                    return subResult.AsError<UpdateSubscription>(result.Error!);
-                }
+                    return result;                
 
                 if (Limit != null && data.Count > Limit)
                     break;
@@ -249,7 +247,7 @@ namespace CryptoExchange.Net.Trackers.Klines
             }
 
             SetInitialData(data);
-            return subResult;
+            return CallResult.SuccessResult;
         }
 
         /// <summary>

CryptoExchange.Net/Trackers/Trades/TradeTracker.cs

@@ -199,7 +199,12 @@ namespace CryptoExchange.Net.Trackers.Trades
             _startWithSnapshot = startWithSnapshot;
             Status = SyncStatus.Syncing;
             _logger.TradeTrackerStarting(SymbolName);
-            var subResult = await DoStartAsync().ConfigureAwait(false);
+            var subResult = await _socketClient.SubscribeToTradeUpdatesAsync(new SubscribeTradeRequest(Symbol),
+                 update =>
+                 {
+                     AddData(update.Data);
+                 }).ConfigureAwait(false);
+
             if (!subResult)
             {
                 _logger.TradeTrackerStartFailed(SymbolName, subResult.Error!.Message, subResult.Error.Exception);
@@ -211,6 +216,15 @@ namespace CryptoExchange.Net.Trackers.Trades
             _updateSubscription.ConnectionLost += HandleConnectionLost;
             _updateSubscription.ConnectionClosed += HandleConnectionClosed;
             _updateSubscription.ConnectionRestored += HandleConnectionRestored;
+
+            var result = await DoStartAsync().ConfigureAwait(false);
+            if (!result)
+            {
+                _ = subResult.Data.CloseAsync();
+                Status = SyncStatus.Disconnected;
+                return result;
+            }
+
             SetSyncStatus();
             _logger.TradeTrackerStarted(SymbolName);
             return CallResult.SuccessResult;
@@ -231,22 +245,10 @@ namespace CryptoExchange.Net.Trackers.Trades
         /// The start procedure needed for trade syncing, generally subscribing to an update stream and requesting the snapshot
         /// </summary>
         /// <returns></returns>
-        protected virtual async Task<CallResult<UpdateSubscription>> DoStartAsync()
+        protected virtual async Task<CallResult> DoStartAsync()
         {
-            var subResult = await _socketClient.SubscribeToTradeUpdatesAsync(new SubscribeTradeRequest(Symbol),
-                 update =>
-                 {
-                     AddData(update.Data);
-                 }).ConfigureAwait(false);
-
-            if (!subResult)
-            {
-                Status = SyncStatus.Disconnected;
-                return subResult;
-            }
-
             if (!_startWithSnapshot)
-                return subResult;
+                return CallResult.SuccessResult;
 
             if (_historyRestClient != null)
             {
@@ -256,12 +258,8 @@ namespace CryptoExchange.Net.Trackers.Trades
                 await foreach(var result in ExchangeHelpers.ExecutePages(_historyRestClient.GetTradeHistoryAsync, request).ConfigureAwait(false))
                 {
                     if (!result)
-                    {
-                        _ = subResult.Data.CloseAsync();
-                        Status = SyncStatus.Disconnected;
-                        return subResult.AsError<UpdateSubscription>(result.Error!);
-                    }
-
+                        return result;
+                    
                     if (Limit != null && data.Count > Limit)
                         break;
 
@@ -279,15 +277,13 @@ namespace CryptoExchange.Net.Trackers.Trades
                 var snapshot = await _recentRestClient.GetRecentTradesAsync(new GetRecentTradesRequest(Symbol, limit)).ConfigureAwait(false);
                 if (!snapshot)
                 {
-                    _ = subResult.Data.CloseAsync();
-                    Status = SyncStatus.Disconnected;
-                    return subResult.AsError<UpdateSubscription>(snapshot.Error!);
+                    return snapshot;
                 }
 
                 SetInitialData(snapshot.Data);
             }
 
-            return subResult;
+            return CallResult.SuccessResult;
         }
 
         /// <summary>

README.md

@@ -58,6 +58,10 @@ Make a one time donation in a crypto currency of your choice. If you prefer to d
 Alternatively, sponsor me on Github using [Github Sponsors](https://github.com/sponsors/JKorf). 
 
 ## Release notes
+* Version 9.2.1 - 16 Jul 2025
+    * Added setting for whether or not to process unparsable websocket messages
+    * Fixed issue causing duplicate subscriptions and data in the TradeTracker and KlineTracker when websocket connection was reconnected
+
 * Version 9.2.0 - 14 Jul 2025
     * Added support for sending byte data on websocket
     * Added support for handling both string and byte data with different IMessageAccessor types