Added AutoTimestamp option for socket client, fixed socket client timestamp offset bug

CryptoExchange.Net/Authentication/AuthenticationProvider.cs

@@ -518,11 +518,14 @@ namespace CryptoExchange.Net.Authentication
         /// </summary>
         protected DateTime GetTimestamp(SocketApiClient apiClient, bool includeOneSecondOffset = true)
         {
-            var result = TimeProvider.GetTime().Add(TimeOffsetManager.GetSocketOffset(apiClient.ClientName) ?? TimeSpan.Zero)!;
-            if (includeOneSecondOffset)
-                result = result.AddSeconds(-1);
+            var timestamp = TimeProvider.GetTime();
+            if(apiClient.ApiOptions.AutoTimestamp ?? apiClient.ClientOptions.AutoTimestamp)
+                timestamp = timestamp.Add(-TimeOffsetManager.GetSocketOffset(apiClient.ClientName) ?? TimeSpan.Zero)!;
 
-            return result;
+            if (includeOneSecondOffset)
+                timestamp = timestamp.AddSeconds(-1);
+
+            return timestamp;
         }
 
         /// <summary>

CryptoExchange.Net/Clients/BaseApiClient.cs

@@ -13,7 +13,10 @@ namespace CryptoExchange.Net.Clients
     /// </summary>
     public abstract class BaseApiClient : IDisposable, IBaseApiClient
     {
-        private string? _clientName;
+        /// <summary>
+        /// Client name
+        /// </summary>
+        protected string? _clientName;
 
         /// <summary>
         /// Logger

CryptoExchange.Net/Objects/Options/ApiOptions.cs

@@ -7,6 +7,11 @@ namespace CryptoExchange.Net.Objects.Options
     /// </summary>
     public class ApiOptions
     {
+        /// <summary>
+        /// Whether or not to automatically sync the local time with the server time
+        /// </summary>
+        public bool? AutoTimestamp { get; set; }
+
         /// <summary>
         /// If true, the CallResult and DataEvent objects will also include the originally received string data in the OriginalData property.
         /// Note that this comes at a performance cost

CryptoExchange.Net/Objects/Options/ExchangeOptions.cs

@@ -8,6 +8,10 @@ namespace CryptoExchange.Net.Objects.Options
     /// </summary>
     public class ExchangeOptions
     {
+        /// <summary>
+        /// Whether or not to automatically sync the local time with the server time
+        /// </summary>
+        public bool AutoTimestamp { get; set; }
         /// <summary>
         /// Proxy settings
         /// </summary>

CryptoExchange.Net/Objects/Options/RestApiOptions.cs

@@ -8,11 +8,6 @@ namespace CryptoExchange.Net.Objects.Options
     /// </summary>
     public class RestApiOptions : ApiOptions
     {
-        /// <summary>
-        /// Whether or not to automatically sync the local time with the server time
-        /// </summary>
-        public bool? AutoTimestamp { get; set; }
-
         /// <summary>
         /// How often the timestamp adjustment between client and server is recalculated. If you need a very small TimeSpan here you're probably better of syncing your server time more often
         /// </summary>

CryptoExchange.Net/Objects/Options/RestExchangeOptions.cs

@@ -8,11 +8,6 @@ namespace CryptoExchange.Net.Objects.Options
     /// </summary>
     public class RestExchangeOptions: ExchangeOptions
     {
-        /// <summary>
-        /// Whether or not to automatically sync the local time with the server time
-        /// </summary>
-        public bool AutoTimestamp { get; set; }
-
         /// <summary>
         /// How often the timestamp adjustment between client and server is recalculated. If you need a very small TimeSpan here you're probably better of syncing your server time more often
         /// </summary>

CryptoExchange.Net/Objects/Options/SocketApiOptions.cs

@@ -27,6 +27,7 @@ namespace CryptoExchange.Net.Objects.Options
             item.ApiCredentials = ApiCredentials?.Copy();
             item.OutputOriginalData = OutputOriginalData;
             item.SocketNoDataTimeout = SocketNoDataTimeout;
+            item.AutoTimestamp = AutoTimestamp;
             item.MaxSocketConnections = MaxSocketConnections;
             return item;
         }

CryptoExchange.Net/Objects/Options/SocketExchangeOptions.cs

@@ -75,6 +75,15 @@ namespace CryptoExchange.Net.Objects.Options
         /// </remarks>
         public int? ReceiveBufferSize { get; set; }
 
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public SocketExchangeOptions()
+        {
+            // Enable auto timestamping by default for sockets
+            AutoTimestamp = true;
+        }
+
         /// <summary>
         /// Create a copy of this options
         /// </summary>
@@ -83,6 +92,7 @@ namespace CryptoExchange.Net.Objects.Options
         public T Set<T>(T item) where T : SocketExchangeOptions, new()
         {
             item.ApiCredentials = ApiCredentials?.Copy();
+            item.AutoTimestamp = AutoTimestamp;
             item.OutputOriginalData = OutputOriginalData;
             item.ReconnectPolicy = ReconnectPolicy;
             item.DelayAfterConnect = DelayAfterConnect;