Added interfaces to base class so they implement IDisposable

CryptoExchange.Net/Interfaces/ISocketClient.cs

@@ -0,0 +1,45 @@
+using System;
+using System.Threading.Tasks;
+using CryptoExchange.Net.Sockets;
+
+namespace CryptoExchange.Net.Interfaces
+{
+    /// <summary>
+    /// Base class for socket API implementations
+    /// </summary>
+    public interface ISocketClient: IDisposable
+    {
+        /// <summary>
+        /// The factory for creating sockets. Used for unit testing
+        /// </summary>
+        IWebsocketFactory SocketFactory { get; set; }
+
+        /// <summary>
+        /// The time in between reconnect attempts
+        /// </summary>
+        TimeSpan ReconnectInterval { get; }
+        
+        /// <summary>
+        /// Whether the client should try to auto reconnect when losing connection
+        /// </summary>
+        bool AutoReconnect { get; }
+
+        /// <summary>
+        /// The base address of the API
+        /// </summary>
+        string BaseAddress { get; }
+
+        /// <summary>
+        /// Unsubscribe from a stream
+        /// </summary>
+        /// <param name="subscription">The subscription to unsubscribe</param>
+        /// <returns></returns>
+        Task Unsubscribe(UpdateSubscription subscription);
+
+        /// <summary>
+        /// Unsubscribe all subscriptions
+        /// </summary>
+        /// <returns></returns>
+        Task UnsubscribeAll();
+    }
+}