Updated to version 9.9.0

CryptoExchange.Net.Protobuf/CryptoExchange.Net.Protobuf.csproj

@@ -6,9 +6,9 @@
     <PackageId>CryptoExchange.Net.Protobuf</PackageId>
     <Authors>JKorf</Authors>
     <Description>Protobuf support for CryptoExchange.Net</Description>
-    <PackageVersion>9.8.0</PackageVersion>
-    <AssemblyVersion>9.8.0</AssemblyVersion>
-    <FileVersion>9.8.0</FileVersion>
+    <PackageVersion>9.9.0</PackageVersion>
+    <AssemblyVersion>9.9.0</AssemblyVersion>
+    <FileVersion>9.9.0</FileVersion>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <PackageTags>CryptoExchange;CryptoExchange.Net</PackageTags>
     <RepositoryType>git</RepositoryType>
@@ -41,7 +41,7 @@
     <DocumentationFile>CryptoExchange.Net.Protobuf.xml</DocumentationFile>
   </PropertyGroup>
   <ItemGroup>
-    <PackageReference Include="CryptoExchange.Net" Version="9.8.0" />
+    <PackageReference Include="CryptoExchange.Net" Version="9.9.0" />
     <PackageReference Include="protobuf-net" Version="3.2.56" />
   </ItemGroup>
 </Project>

CryptoExchange.Net.Protobuf/README.md

@@ -5,6 +5,9 @@
 Protobuf support for CryptoExchange.Net.
 
 ## Release notes
+* Version 9.9.0 - 06 Oct 2025
+    * Updated CryptoExchange.Net version to 9.9.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
 * Version 9.8.0 - 30 Sep 2025
     * Updated CryptoExchange.Net version to 9.8.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
 

CryptoExchange.Net.UnitTests/SocketClientTests.cs

@@ -202,7 +202,7 @@ namespace CryptoExchange.Net.UnitTests
             await sub;
 
             // assert
-            ClassicAssert.IsFalse(client.SubClient.TestSubscription.Confirmed);
+            ClassicAssert.IsTrue(client.SubClient.TestSubscription.Status != SubscriptionStatus.Subscribed);
         }
 
         [TestCase()]
@@ -225,7 +225,7 @@ namespace CryptoExchange.Net.UnitTests
             await sub;
 
             // assert
-            Assert.That(client.SubClient.TestSubscription.Confirmed);
+            Assert.That(client.SubClient.TestSubscription.Status == SubscriptionStatus.Subscribed);
         }
     }
 }

CryptoExchange.Net/Clients/SocketApiClient.cs

@@ -269,6 +269,7 @@ namespace CryptoExchange.Net.Clients
                 return new CallResult<UpdateSubscription>(new ServerError(new ErrorInfo(ErrorType.WebsocketPaused, "Socket is paused")));
             }
 
+            subscription.Status = SubscriptionStatus.Subscribing;
             var waitEvent = new AsyncResetEvent(false);
             var subQuery = subscription.CreateSubscriptionQuery(socketConnection);
             if (subQuery != null)
@@ -279,7 +280,7 @@ namespace CryptoExchange.Net.Clients
                 {
                     waitEvent?.Set();
                     var isTimeout = subResult.Error is CancellationRequestedError;
-                    if (isTimeout && subscription.Confirmed)
+                    if (isTimeout && subscription.Status == SubscriptionStatus.Subscribed)
                     {
                         // No response received, but the subscription did receive updates. We'll assume success
                     }
@@ -287,6 +288,7 @@ namespace CryptoExchange.Net.Clients
                     {
                         _logger.FailedToSubscribe(socketConnection.SocketId, subResult.Error?.ToString());
                         // If this was a timeout we still need to send an unsubscribe to prevent messages coming in later
+                        subscription.Status = SubscriptionStatus.Pending;
                         await socketConnection.CloseAsync(subscription).ConfigureAwait(false);
                         return new CallResult<UpdateSubscription>(subResult.Error!);
                     }
@@ -295,7 +297,7 @@ namespace CryptoExchange.Net.Clients
                 subscription.HandleSubQueryResponse(subQuery.Response!);
             }
 
-            subscription.Confirmed = true;
+            subscription.Status = SubscriptionStatus.Subscribed;
             if (ct != default)
             {
                 subscription.CancellationTokenRegistration = ct.Register(async () =>
@@ -847,7 +849,7 @@ namespace CryptoExchange.Net.Clients
                         cs.SubscriptionStates.ForEach(subState =>
                         {
                             sb.AppendLine($"\t\t\tId: {subState.Id}");
-                            sb.AppendLine($"\t\t\tConfirmed: {subState.Confirmed}");
+                            sb.AppendLine($"\t\t\tStatus: {subState.Status}");
                             sb.AppendLine($"\t\t\tInvocations: {subState.Invocations}");
                             sb.AppendLine($"\t\t\tIdentifiers: [{subState.ListenMatcher.ToString()}]");
                         });

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>9.8.0</PackageVersion>
-    <AssemblyVersion>9.8.0</AssemblyVersion>
-    <FileVersion>9.8.0</FileVersion>
+    <PackageVersion>9.9.0</PackageVersion>
+    <AssemblyVersion>9.9.0</AssemblyVersion>
+    <FileVersion>9.9.0</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;CryptoExchange.Net</PackageTags>
     <RepositoryType>git</RepositoryType>

CryptoExchange.Net/Objects/Enums.cs

@@ -267,4 +267,31 @@ namespace CryptoExchange.Net.Objects
         Succeed
     }
 
+    /// <summary>
+    /// Subscription status
+    /// </summary>
+    public enum SubscriptionStatus
+    {
+        /// <summary>
+        /// Pending, waiting before (re)subscription can be started
+        /// </summary>
+        Pending,
+        /// <summary>
+        /// Currently (re)subscribing, will start producing updates soon if subscription is successful
+        /// </summary>
+        Subscribing,
+        /// <summary>
+        /// Subscribed and listening to updates
+        /// </summary>
+        Subscribed,
+        /// <summary>
+        /// Subscription is being closed and will stop producing updates
+        /// </summary>
+        Closing,
+        /// <summary>
+        /// Subscription is closed and will no long produce updates
+        /// </summary>
+        Closed
+    }
+
 }

CryptoExchange.Net/Objects/Sockets/UpdateSubscription.cs

@@ -15,6 +15,7 @@ namespace CryptoExchange.Net.Objects.Sockets
         private readonly Subscription _listener;
 
         private object _eventLock = new object();
+        private bool _connectionEventsSubscribed = true;
         private List<Action> _connectionClosedEventHandlers = new List<Action>();
         private List<Action> _connectionLostEventHandlers = new List<Action>();
         private List<Action<Error>> _resubscribeFailedEventHandlers = new List<Action<Error>>();
@@ -22,6 +23,11 @@ namespace CryptoExchange.Net.Objects.Sockets
         private List<Action> _activityPausedEventHandlers = new List<Action>();
         private List<Action> _activityUnpausedEventHandlers = new List<Action>();
 
+        /// <summary>
+        /// Event when the status of the subscription changes
+        /// </summary>
+        public event Action<SubscriptionStatus>? SubscriptionStatusChanged;
+
         /// <summary>
         /// Event when the connection is lost. The socket will automatically reconnect when possible.
         /// </summary>
@@ -113,21 +119,34 @@ namespace CryptoExchange.Net.Objects.Sockets
             _connection.ActivityUnpaused += HandleUnpausedEvent;
 
             _listener = subscription;
-            _listener.Unsubscribed += HandleUnsubscribed;
+            _listener.StatusChanged += (x) => SubscriptionStatusChanged?.Invoke(x);
         }
 
-        private void HandleUnsubscribed()
+        private void UnsubscribeConnectionEvents()
         {
+            lock (_eventLock)
+            {
+                if (!_connectionEventsSubscribed)
+                    return;
+
                 _connection.ConnectionClosed -= HandleConnectionClosedEvent;
                 _connection.ConnectionLost -= HandleConnectionLostEvent;
                 _connection.ConnectionRestored -= HandleConnectionRestoredEvent;
                 _connection.ResubscribingFailed -= HandleResubscribeFailedEvent;
                 _connection.ActivityPaused -= HandlePausedEvent;
                 _connection.ActivityUnpaused -= HandleUnpausedEvent;
+                _connectionEventsSubscribed = false;
+            }
         }
 
         private void HandleConnectionClosedEvent()
         {
+            UnsubscribeConnectionEvents();
+
+            // If we're not the subscription closing this connection don't bother emitting
+            if (!_listener.IsClosingConnection)
+                return;
+
             List<Action> handlers;
             lock (_eventLock)
                 handlers = _connectionClosedEventHandlers.ToList();
@@ -138,6 +157,12 @@ namespace CryptoExchange.Net.Objects.Sockets
 
         private void HandleConnectionLostEvent()
         {
+            if (!_listener.Active)
+            {
+                UnsubscribeConnectionEvents();
+                return;
+            }
+
             List<Action> handlers;
             lock (_eventLock)
                 handlers = _connectionLostEventHandlers.ToList();
@@ -148,6 +173,12 @@ namespace CryptoExchange.Net.Objects.Sockets
 
         private void HandleConnectionRestoredEvent(TimeSpan period)
         {
+            if (!_listener.Active)
+            {
+                UnsubscribeConnectionEvents();
+                return;
+            }
+
             List<Action<TimeSpan>> handlers;
             lock (_eventLock)
                 handlers = _connectionRestoredEventHandlers.ToList();
@@ -158,6 +189,12 @@ namespace CryptoExchange.Net.Objects.Sockets
 
         private void HandleResubscribeFailedEvent(Error error)
         {
+            if (!_listener.Active)
+            {
+                UnsubscribeConnectionEvents();
+                return;
+            }
+
             List<Action<Error>> handlers;
             lock (_eventLock)
                 handlers = _resubscribeFailedEventHandlers.ToList();
@@ -168,6 +205,12 @@ namespace CryptoExchange.Net.Objects.Sockets
 
         private void HandlePausedEvent()
         {
+            if (!_listener.Active)
+            {
+                UnsubscribeConnectionEvents();
+                return;
+            }
+
             List<Action> handlers;
             lock (_eventLock)
                 handlers = _activityPausedEventHandlers.ToList();
@@ -178,6 +221,12 @@ namespace CryptoExchange.Net.Objects.Sockets
 
         private void HandleUnpausedEvent()
         {
+            if (!_listener.Active)
+            {
+                UnsubscribeConnectionEvents();
+                return;
+            }
+
             List<Action> handlers;
             lock (_eventLock)
                 handlers = _activityUnpausedEventHandlers.ToList();

CryptoExchange.Net/Sockets/SocketConnection.cs

@@ -296,7 +296,7 @@ namespace CryptoExchange.Net.Sockets
 
             lock (_listenersLock)
             {
-                foreach (var subscription in _listeners.OfType<Subscription>().Where(l => l.UserSubscription))
+                foreach (var subscription in _listeners.OfType<Subscription>().Where(l => l.UserSubscription && !l.IsClosingConnection))
                     subscription.Reset();
 
                 foreach (var query in _listeners.OfType<Query>().ToList())
@@ -527,10 +527,10 @@ namespace CryptoExchange.Net.Sockets
                             continue;
                         }
 
-                        if (processor is Subscription subscriptionProcessor && !subscriptionProcessor.Confirmed)
+                        if (processor is Subscription subscriptionProcessor && subscriptionProcessor.Status == SubscriptionStatus.Subscribing)
                         {
                             // If this message is for this listener then it is automatically confirmed, even if the subscription is not (yet) confirmed
-                            subscriptionProcessor.Confirmed = true;
+                            subscriptionProcessor.Status = SubscriptionStatus.Subscribed;
                             if (subscriptionProcessor.SubscriptionQuery?.TimeoutBehavior == TimeoutBehavior.Succeed)
                                 // If this subscription has a query waiting for a timeout (success if there is no error response)
                                 // then time it out now as the data is being received, so we assume it's successful
@@ -657,13 +657,16 @@ namespace CryptoExchange.Net.Sockets
         public async Task CloseAsync(Subscription subscription)
         {
             // If we are resubscribing this subscription at this moment we'll want to wait for a bit until it is finished to avoid concurrency issues
-            while (subscription.IsResubscribing)
+            while (subscription.Status == SubscriptionStatus.Subscribing)
                 await Task.Delay(50).ConfigureAwait(false);
 
-            subscription.Closed = true;
+            subscription.Status = SubscriptionStatus.Closing;
 
             if (Status == SocketStatus.Closing || Status == SocketStatus.Closed || Status == SocketStatus.Disposed)
+            {
+                subscription.Status = SubscriptionStatus.Closed;
                 return;
+            }
 
             _logger.ClosingSubscription(SocketId, subscription.Id);
             if (subscription.CancellationTokenRegistration.HasValue)
@@ -675,7 +678,7 @@ namespace CryptoExchange.Net.Sockets
 
             bool shouldCloseConnection;
             lock (_listenersLock)
-                shouldCloseConnection = _listeners.OfType<Subscription>().All(r => !r.UserSubscription || r.Closed) && !DedicatedRequestConnection.IsDedicatedRequestConnection;
+                shouldCloseConnection = _listeners.OfType<Subscription>().All(r => !r.UserSubscription || r.Status == SubscriptionStatus.Closing || r.Status == SubscriptionStatus.Closed) && !DedicatedRequestConnection.IsDedicatedRequestConnection;
             
             if (!anyDuplicateSubscription)
             {
@@ -693,6 +696,7 @@ namespace CryptoExchange.Net.Sockets
 
             if (Status == SocketStatus.Closing)
             {
+                subscription.Status = SubscriptionStatus.Closed;
                 _logger.AlreadyClosing(SocketId);
                 return;
             }
@@ -700,6 +704,7 @@ namespace CryptoExchange.Net.Sockets
             if (shouldCloseConnection)
             {
                 Status = SocketStatus.Closing;
+                subscription.IsClosingConnection = true;
                 _logger.ClosingNoMoreSubscriptions(SocketId);
                 await CloseAsync().ConfigureAwait(false);
             }
@@ -707,7 +712,7 @@ namespace CryptoExchange.Net.Sockets
             lock (_listenersLock)
                 _listeners.Remove(subscription);
 
-            subscription.InvokeUnsubscribedHandler();
+            subscription.Status = SubscriptionStatus.Closed;
         }
 
         /// <summary>
@@ -991,7 +996,7 @@ namespace CryptoExchange.Net.Sockets
 
                 List<Subscription> subList;
                 lock (_listenersLock)
-                    subList = _listeners.OfType<Subscription>().Where(x => !x.Closed).Skip(batch * batchSize).Take(batchSize).ToList();
+                    subList = _listeners.OfType<Subscription>().Where(x => x.Active).Skip(batch * batchSize).Take(batchSize).ToList();
 
                 if (subList.Count == 0)
                     break;
@@ -1000,34 +1005,32 @@ namespace CryptoExchange.Net.Sockets
                 foreach (var subscription in subList)
                 {
                     subscription.ConnectionInvocations = 0;
-                    if (subscription.Closed)
+                    if (!subscription.Active)
                         // Can be closed during resubscribing
                         continue;
 
-                    subscription.IsResubscribing = true;
+                    subscription.Status = SubscriptionStatus.Subscribing;
                     var result = await ApiClient.RevitalizeRequestAsync(subscription).ConfigureAwait(false);
                     if (!result)
                     {
                         _logger.FailedRequestRevitalization(SocketId, result.Error?.ToString());
-                        subscription.IsResubscribing = false;
+                        subscription.Status = SubscriptionStatus.Pending;
                         return result;
                     }
 
                     var subQuery = subscription.CreateSubscriptionQuery(this);
                     if (subQuery == null)
                     {
-                        subscription.IsResubscribing = false;
+                        subscription.Status = SubscriptionStatus.Subscribed;
                         continue;
                     }
 
                     var waitEvent = new AsyncResetEvent(false);
                     taskList.Add(SendAndWaitQueryAsync(subQuery, waitEvent).ContinueWith((r) => 
                     { 
-                        subscription.IsResubscribing = false;
+                        subscription.Status = r.Result.Success ? SubscriptionStatus.Subscribed: SubscriptionStatus.Pending;
                         subscription.HandleSubQueryResponse(subQuery.Response!);
                         waitEvent.Set();
-                        if (r.Result.Success)
-                            subscription.Confirmed = true;
                         return r.Result;
                     }));
                 }

CryptoExchange.Net/Sockets/Subscription.cs

@@ -35,20 +35,32 @@ namespace CryptoExchange.Net.Sockets
         /// </summary>
         public bool UserSubscription { get; set; }
 
+        private SubscriptionStatus _status;
         /// <summary>
-        /// Has the subscription been confirmed
+        /// Current subscription status
         /// </summary>
-        public bool Confirmed { get; set; }
+        public SubscriptionStatus Status
+        {
+            get => _status;
+            set 
+            {
+                if (_status == value)
+                    return;
+
+                _status = value;
+                Task.Run(() => StatusChanged?.Invoke(value));
+            }
+        }
 
         /// <summary>
-        /// Is the subscription closed
+        /// Whether the subscription is active
         /// </summary>
-        public bool Closed { get; set; }
+        public bool Active => Status != SubscriptionStatus.Closing && Status != SubscriptionStatus.Closed;
 
         /// <summary>
-        /// Is the subscription currently resubscribing
+        /// Whether the unsubscribing of this subscription lead to the closing of the connection
         /// </summary>
-        public bool IsResubscribing { get; set; }
+        public bool IsClosingConnection { get; set; }
 
         /// <summary>
         /// Logger
@@ -77,7 +89,7 @@ namespace CryptoExchange.Net.Sockets
         /// <summary>
         /// Listener unsubscribed event
         /// </summary>
-        public event Action? Unsubscribed;
+        public event Action<SubscriptionStatus>? StatusChanged;
 
         /// <summary>
         /// Subscription topic
@@ -167,7 +179,7 @@ namespace CryptoExchange.Net.Sockets
         /// </summary>
         public void Reset()
         {
-            Confirmed = false;
+            Status = SubscriptionStatus.Pending;
             DoHandleReset();
         }
 
@@ -185,24 +197,16 @@ namespace CryptoExchange.Net.Sockets
             Exception?.Invoke(e);
         }
 
-        /// <summary>
-        /// Invoke the unsubscribed event
-        /// </summary>
-        public void InvokeUnsubscribedHandler()
-        {
-            Unsubscribed?.Invoke();
-        }
-
         /// <summary>
         /// State of this subscription
         /// </summary>
         /// <param name="Id">The id of the subscription</param>
-        /// <param name="Confirmed">True when the subscription query is handled (either accepted or rejected)</param>
+        /// <param name="Status">Subscription status</param>
         /// <param name="Invocations">Number of times this subscription got a message</param>
         /// <param name="ListenMatcher">Matcher for this subscription</param>
         public record SubscriptionState(
             int Id,
-            bool Confirmed,
+            SubscriptionStatus Status,
             int Invocations,
             MessageMatcher ListenMatcher
         );
@@ -213,7 +217,7 @@ namespace CryptoExchange.Net.Sockets
         /// <returns></returns>
         public SubscriptionState GetState()
         {
-            return new SubscriptionState(Id, Confirmed, TotalInvocations, MessageMatcher);
+            return new SubscriptionState(Id, Status, TotalInvocations, MessageMatcher);
         }
     }
 

CryptoExchange.Net/Sockets/SystemSubscription.cs

@@ -18,7 +18,7 @@ namespace CryptoExchange.Net.Sockets
         /// <param name="authenticated"></param>
         public SystemSubscription(ILogger logger, bool authenticated = false) : base(logger, authenticated, false)
         {
-            Confirmed = true;
+            Status = SubscriptionStatus.Subscribed;
         }
 
         /// <inheritdoc />

Examples/BlazorClient/BlazorClient.csproj

@@ -5,30 +5,31 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Binance.Net" Version="11.7.1" />
-    <PackageReference Include="Bitfinex.Net" Version="9.7.0" />
-    <PackageReference Include="BitMart.Net" Version="2.8.0" />
-    <PackageReference Include="BloFin.Net" Version="1.0.0" />
-    <PackageReference Include="Bybit.Net" Version="5.8.0" />
-    <PackageReference Include="CoinEx.Net" Version="9.7.0" />
-    <PackageReference Include="CoinW.Net" Version="1.4.0" />
-    <PackageReference Include="CryptoCom.Net" Version="2.8.0" />
-    <PackageReference Include="DeepCoin.Net" Version="2.7.0" />
-    <PackageReference Include="GateIo.Net" Version="2.8.1" />
-    <PackageReference Include="HyperLiquid.Net" Version="2.12.0" />
-    <PackageReference Include="JK.BingX.Net" Version="2.7.0" />
-    <PackageReference Include="JK.Bitget.Net" Version="2.7.1" />
-    <PackageReference Include="JK.Mexc.Net" Version="3.8.0" />
-    <PackageReference Include="JK.OKX.Net" Version="3.7.1" />
-    <PackageReference Include="JKorf.BitMEX.Net" Version="2.7.0" />
-    <PackageReference Include="JKorf.Coinbase.Net" Version="2.7.0" />
-    <PackageReference Include="JKorf.HTX.Net" Version="7.7.0" />
-    <PackageReference Include="KrakenExchange.Net" Version="6.7.0" />
-    <PackageReference Include="Kucoin.Net" Version="7.7.1" />
+    <PackageReference Include="Binance.Net" Version="11.8.0" />
+    <PackageReference Include="Bitfinex.Net" Version="9.8.0" />
+    <PackageReference Include="BitMart.Net" Version="2.9.0" />
+    <PackageReference Include="BloFin.Net" Version="1.1.0" />
+    <PackageReference Include="Bybit.Net" Version="5.9.0" />
+    <PackageReference Include="CoinEx.Net" Version="9.8.0" />
+    <PackageReference Include="CoinW.Net" Version="1.5.0" />
+    <PackageReference Include="CryptoCom.Net" Version="2.9.0" />
+    <PackageReference Include="DeepCoin.Net" Version="2.8.0" />
+    <PackageReference Include="GateIo.Net" Version="2.9.1" />
+    <PackageReference Include="HyperLiquid.Net" Version="2.13.0" />
+    <PackageReference Include="JK.BingX.Net" Version="2.8.0" />
+    <PackageReference Include="JK.Bitget.Net" Version="2.8.0" />
+    <PackageReference Include="JK.Mexc.Net" Version="3.9.0" />
+    <PackageReference Include="JK.OKX.Net" Version="3.8.0" />
+    <PackageReference Include="Jkorf.Aster.Net" Version="1.0.0" />
+    <PackageReference Include="JKorf.BitMEX.Net" Version="2.8.0" />
+    <PackageReference Include="JKorf.Coinbase.Net" Version="2.8.0" />
+    <PackageReference Include="JKorf.HTX.Net" Version="7.8.0" />
+    <PackageReference Include="KrakenExchange.Net" Version="6.8.0" />
+    <PackageReference Include="Kucoin.Net" Version="7.8.0" />
     <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
-    <PackageReference Include="Toobit.Net" Version="1.6.0" />
-    <PackageReference Include="WhiteBit.Net" Version="2.8.0" />
-    <PackageReference Include="XT.Net" Version="2.7.0" />
+    <PackageReference Include="Toobit.Net" Version="1.7.0" />
+    <PackageReference Include="WhiteBit.Net" Version="2.9.0" />
+    <PackageReference Include="XT.Net" Version="2.8.0" />
   </ItemGroup>
 
 </Project>

Examples/BlazorClient/Pages/Index.razor

@@ -1,4 +1,5 @@
 @page "/"
+@inject IAsterRestClient asterClient
 @inject IBinanceRestClient binanceClient
 @inject IBingXRestClient bingXClient
 @inject IBitfinexRestClient bitfinexClient
@@ -34,6 +35,7 @@
 
     protected override async Task OnInitializedAsync()
     {
+        var asterTask = asterClient.SpotApi.ExchangeData.GetTickerAsync("BTCUSDT");
         var binanceTask = binanceClient.SpotApi.ExchangeData.GetTickerAsync("BTCUSDT");
         var bingXTask = bingXClient.SpotApi.ExchangeData.GetTickersAsync("BTC-USDT");
         var bitfinexTask = bitfinexClient.SpotApi.ExchangeData.GetTickerAsync("tBTCUSD");
@@ -49,7 +51,7 @@
         var deepCoinTask = deepCoinClient.ExchangeApi.ExchangeData.GetTickersAsync(DeepCoin.Net.Enums.SymbolType.Spot);
         var gateioTask = gateioClient.SpotApi.ExchangeData.GetTickersAsync("BTC_USDT");
         var htxTask = htxClient.SpotApi.ExchangeData.GetTickerAsync("btcusdt");
-        var hyperLiquidTask = hyperLiquidClient.FuturesApi.ExchangeData.GetExchangeInfoAndTickersAsync(); // HyperLiquid does not have BTC spot trading
+        var hyperLiquidTask = hyperLiquidClient.FuturesApi.ExchangeData.GetExchangeInfoAndTickersAsync();
         var krakenTask = krakenClient.SpotApi.ExchangeData.GetTickerAsync("XBTUSD");
         var kucoinTask = kucoinClient.SpotApi.ExchangeData.GetTickerAsync("BTC-USDT");
         var mexcTask = mexcClient.SpotApi.ExchangeData.GetTickerAsync("BTCUSDT");
@@ -58,7 +60,10 @@
         var whitebitTask = whitebitClient.V4Api.ExchangeData.GetTickersAsync();
         var xtTask = xtClient.SpotApi.ExchangeData.GetTickersAsync("btc_usdt");
 
-        await Task.WhenAll(binanceTask, bingXTask, bitfinexTask, bitgetTask, bitmartTask, bybitTask, coinexTask, deepCoinTask, gateioTask, htxTask, krakenTask, kucoinTask, mexcTask, okxTask);
+        await Task.WhenAll(asterTask, binanceTask, bingXTask, bitfinexTask, bitgetTask, bitmartTask, bloFinTask, bitmexTask, bybitTask, coinexTask, coinWTask, deepCoinTask, gateioTask, htxTask, krakenTask, kucoinTask, mexcTask, okxTask);
+
+        if (asterTask.Result.Success)
+            _prices.Add("Aster", asterTask.Result.Data.LastPrice);
 
         if (binanceTask.Result.Success)
             _prices.Add("Binance", binanceTask.Result.Data.LastPrice);

Examples/BlazorClient/Pages/LiveData.razor

@@ -1,4 +1,5 @@
 @page "/LiveData"
+@inject IAsterSocketClient asterSocketClient
 @inject IBinanceSocketClient binanceSocketClient
 @inject IBingXSocketClient bingXSocketClient
 @inject IBitfinexSocketClient bitfinexSocketClient
@@ -43,6 +44,8 @@
     {
         var tasks = new Task<CallResult<UpdateSubscription>>[]
         {
+            // Aster doesn't support the ETH/BTC pair
+            //asterSocketClient.SpotApi.ExchangeData.SubscribeToTickerUpdatesAsync("ETHBTC", data => UpdateData("Aster", data.Data.LastPrice)),
             binanceSocketClient.SpotApi.ExchangeData.SubscribeToTickerUpdatesAsync("ETHBTC", data => UpdateData("Binance", data.Data.LastPrice)),
             bingXSocketClient.SpotApi.SubscribeToTickerUpdatesAsync("ETH-BTC", data => UpdateData("BingX", data.Data.LastPrice)),
             bitfinexSocketClient.SpotApi.SubscribeToTickerUpdatesAsync("tETHBTC", data => UpdateData("Bitfinex", data.Data.LastPrice)),

Examples/BlazorClient/Pages/OrderBooks.razor

@@ -1,6 +1,7 @@
 @page "/OrderBooks"
 @using System.Collections.Concurrent
 @using System.Timers
+@using Aster.Net.Interfaces
 @using Binance.Net.Interfaces
 @using BingX.Net.Interfaces
 @using Bitfinex.Net.Interfaces
@@ -27,6 +28,7 @@
 @using Toobit.Net.Interfaces;
 @using WhiteBit.Net.Interfaces
 @using XT.Net.Interfaces
+@inject IAsterOrderBookFactory asterFactory
 @inject IBinanceOrderBookFactory binanceFactory
 @inject IBingXOrderBookFactory bingXFactory
 @inject IBitfinexOrderBookFactory bitfinexFactory
@@ -83,6 +85,7 @@
 
         _books = new Dictionary<string, ISymbolOrderBook>
             {
+                { "Aster", binanceFactory.CreateSpot("ETHUSDT") },
                 { "Binance", binanceFactory.CreateSpot("ETHBTC") },
                 { "BingX", bingXFactory.CreateSpot("ETH-BTC") },
                 { "Bitfinex", bitfinexFactory.Create("tETHBTC") },

Examples/BlazorClient/Pages/Trackers.razor

@@ -1,6 +1,7 @@
 @page "/Trackers"
 @using System.Collections.Concurrent
 @using System.Timers
+@using Aster.Net.Interfaces
 @using Binance.Net.Interfaces
 @using BingX.Net.Interfaces
 @using Bitfinex.Net.Interfaces
@@ -28,6 +29,7 @@
 @using Toobit.Net.Interfaces;
 @using WhiteBit.Net.Interfaces
 @using XT.Net.Interfaces
+@inject IAsterTrackerFactory asterFactory
 @inject IBinanceTrackerFactory binanceFactory
 @inject IBingXTrackerFactory bingXFactory
 @inject IBitfinexTrackerFactory bitfinexFactory
@@ -79,6 +81,7 @@
 
         _trackers = new List<ITradeTracker>
             {
+                { asterFactory.CreateTradeTracker(usdtSpotSymbol, period: TimeSpan.FromMinutes(5)) },
                 { binanceFactory.CreateTradeTracker(usdtSpotSymbol, period: TimeSpan.FromMinutes(5)) },
                 { bingXFactory.CreateTradeTracker(usdtSpotSymbol, period: TimeSpan.FromMinutes(5)) },
                 { bitfinexFactory.CreateTradeTracker(usdtSpotSymbol, period: TimeSpan.FromMinutes(5)) },

Examples/BlazorClient/Startup.cs

@@ -33,6 +33,7 @@ namespace BlazorClient
                 restOptions.ApiCredentials = new ApiCredentials("KEY", "SECRET");
             });
 
+            services.AddAster();
             services.AddBingX();
             services.AddBitfinex();
             services.AddBitget();

Examples/BlazorClient/_Imports.razor

@@ -8,6 +8,7 @@
 @using Microsoft.JSInterop
 @using BlazorClient
 @using BlazorClient.Shared
+@using Aster.Net.Interfaces.Clients;
 @using Binance.Net.Interfaces.Clients;
 @using BingX.Net.Interfaces.Clients;
 @using Bitfinex.Net.Interfaces.Clients;

README.md

@@ -12,6 +12,7 @@ Full list of all libraries part of the CryptoExchange.Net ecosystem. Consider us
 
 ||Exchange|Type|Repository|Nuget|Referral Link|Referral Fee Discount|
 |--|--|--|--|--|--|--|
+|![Aster](https://raw.githubusercontent.com/JKorf/Aster.Net/refs/heads/main/Aster.Net/Icon/icon.png)|Aster|DEX|[JKorf/Aster.Net](https://github.com/JKorf/Aster.Net)|[![Nuget version](https://img.shields.io/nuget/v/JKorf.Aster.net.svg?style=flat-square)](https://www.nuget.org/packages/JKorf.Aster.Net)|[Link](https://www.asterdex.com/en/referral/FD2E11)|4%|
 |![Binance](https://raw.githubusercontent.com/JKorf/Binance.Net/refs/heads/master/Binance.Net/Icon/icon.png)|Binance|CEX|[JKorf/Binance.Net](https://github.com/JKorf/Binance.Net)|[![Nuget version](https://img.shields.io/nuget/v/Binance.net.svg?style=flat-square)](https://www.nuget.org/packages/Binance.Net)|[Link](https://accounts.binance.com/register?ref=X5K3F2ZG)|20%|
 |![BingX](https://raw.githubusercontent.com/JKorf/BingX.Net/refs/heads/main/BingX.Net/Icon/BingX.png)|BingX|CEX|[JKorf/BingX.Net](https://github.com/JKorf/BingX.Net)|[![Nuget version](https://img.shields.io/nuget/v/JK.BingX.net.svg?style=flat-square)](https://www.nuget.org/packages/JK.BingX.Net)|[Link](https://bingx.com/invite/FFHRJKWG/)|20%|
 |![Bitfinex](https://raw.githubusercontent.com/JKorf/Bitfinex.Net/refs/heads/master/Bitfinex.Net/Icon/icon.png)|Bitfinex|CEX|[JKorf/Bitfinex.Net](https://github.com/JKorf/Bitfinex.Net)|[![Nuget version](https://img.shields.io/nuget/v/Bitfinex.net.svg?style=flat-square)](https://www.nuget.org/packages/Bitfinex.Net)|-|-|
@@ -64,6 +65,11 @@ 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 9.9.0 - 06 Oct 2025
+    * Updated socket Subscription status handling
+    * Added SubscriptionStatusChanged event to UpdateSubscription (SubscribeAsync methods reponse)
+    * Fixed timing issue for connection events in UpdateSubscription
+
 * Version 9.8.0 - 30 Sep 2025
     * Added ContractAddress to SharedAsset model
     * Added ITrackerFactory interface