Added Request info and ResponseTime to WebCallResult, refactored CallResult ctors

CryptoExchange.Net/Clients/BaseClient.cs

@@ -93,28 +93,28 @@ namespace CryptoExchange.Net
             {
                 var info = "Empty data object received";
                 log.Write(LogLevel.Error, info);
-                return new CallResult<JToken>(null, new DeserializeError(info, data));
+                return new CallResult<JToken>(new DeserializeError(info, data));
             }
 
             try
             {
-                return new CallResult<JToken>(JToken.Parse(data), null);
+                return new CallResult<JToken>(JToken.Parse(data));
             }
             catch (JsonReaderException jre)
             {
                 var info = $"Deserialize JsonReaderException: {jre.Message}, Path: {jre.Path}, LineNumber: {jre.LineNumber}, LinePosition: {jre.LinePosition}";
-                return new CallResult<JToken>(null, new DeserializeError(info, data));
+                return new CallResult<JToken>(new DeserializeError(info, data));
             }
             catch (JsonSerializationException jse)
             {
                 var info = $"Deserialize JsonSerializationException: {jse.Message}";
-                return new CallResult<JToken>(null, new DeserializeError(info, data));
+                return new CallResult<JToken>(new DeserializeError(info, data));
             }
             catch (Exception ex)
             {
                 var exceptionInfo = ex.ToLogString();
                 var info = $"Deserialize Unknown Exception: {exceptionInfo}";
-                return new CallResult<JToken>(null, new DeserializeError(info, data));
+                return new CallResult<JToken>(new DeserializeError(info, data));
             }
         }
 
@@ -132,7 +132,7 @@ namespace CryptoExchange.Net
             if (!tokenResult)
             {
                 log.Write(LogLevel.Error, tokenResult.Error!.Message);
-                return new CallResult<T>(default, tokenResult.Error);
+                return new CallResult<T>( tokenResult.Error);
             }
 
             return Deserialize<T>(tokenResult.Data, serializer, requestId);
@@ -152,26 +152,26 @@ namespace CryptoExchange.Net
 
             try
             {
-                return new CallResult<T>(obj.ToObject<T>(serializer), null);
+                return new CallResult<T>(obj.ToObject<T>(serializer)!);
             }
             catch (JsonReaderException jre)
             {
                 var info = $"{(requestId != null ? $"[{requestId}] " : "")}Deserialize JsonReaderException: {jre.Message} Path: {jre.Path}, LineNumber: {jre.LineNumber}, LinePosition: {jre.LinePosition}, data: {obj}";
                 log.Write(LogLevel.Error, info);
-                return new CallResult<T>(default, new DeserializeError(info, obj));
+                return new CallResult<T>(new DeserializeError(info, obj));
             }
             catch (JsonSerializationException jse)
             {
                 var info = $"{(requestId != null ? $"[{requestId}] " : "")}Deserialize JsonSerializationException: {jse.Message} data: {obj}";
                 log.Write(LogLevel.Error, info);
-                return new CallResult<T>(default, new DeserializeError(info, obj));
+                return new CallResult<T>(new DeserializeError(info, obj));
             }
             catch (Exception ex)
             {
                 var exceptionInfo = ex.ToLogString();
                 var info = $"{(requestId != null ? $"[{requestId}] " : "")}Deserialize Unknown Exception: {exceptionInfo}, data: {obj}";
                 log.Write(LogLevel.Error, info);
-                return new CallResult<T>(default, new DeserializeError(info, obj));
+                return new CallResult<T>(new DeserializeError(info, obj));
             }
         }
 
@@ -208,7 +208,7 @@ namespace CryptoExchange.Net
                 // If we don't have to keep track of the original json data we can use the JsonTextReader to deserialize the stream directly
                 // into the desired object, which has increased performance over first reading the string value into memory and deserializing from that
                 using var jsonReader = new JsonTextReader(reader);
-                return new CallResult<T>(serializer.Deserialize<T>(jsonReader), null);
+                return new CallResult<T>(serializer.Deserialize<T>(jsonReader)!);
             }
             catch (JsonReaderException jre)
             {
@@ -222,7 +222,7 @@ namespace CryptoExchange.Net
                 else
                     data = "[Data only available in Debug LogLevel]";
                 log.Write(LogLevel.Error, $"{(requestId != null ? $"[{requestId}] " : "")}Deserialize JsonReaderException: {jre.Message}, Path: {jre.Path}, LineNumber: {jre.LineNumber}, LinePosition: {jre.LinePosition}, data: {data}");
-                return new CallResult<T>(default, new DeserializeError($"Deserialize JsonReaderException: {jre.Message}, Path: {jre.Path}, LineNumber: {jre.LineNumber}, LinePosition: {jre.LinePosition}", data));
+                return new CallResult<T>(new DeserializeError($"Deserialize JsonReaderException: {jre.Message}, Path: {jre.Path}, LineNumber: {jre.LineNumber}, LinePosition: {jre.LinePosition}", data));
             }
             catch (JsonSerializationException jse)
             {
@@ -236,7 +236,7 @@ namespace CryptoExchange.Net
                     data = "[Data only available in Debug LogLevel]";
 
                 log.Write(LogLevel.Error, $"{(requestId != null ? $"[{requestId}] " : "")}Deserialize JsonSerializationException: {jse.Message}, data: {data}");
-                return new CallResult<T>(default, new DeserializeError($"Deserialize JsonSerializationException: {jse.Message}", data));
+                return new CallResult<T>(new DeserializeError($"Deserialize JsonSerializationException: {jse.Message}", data));
             }
             catch (Exception ex)
             {
@@ -250,7 +250,7 @@ namespace CryptoExchange.Net
 
                 var exceptionInfo = ex.ToLogString();
                 log.Write(LogLevel.Error, $"{(requestId != null ? $"[{requestId}] " : "")}Deserialize Unknown Exception: {exceptionInfo}, data: {data}");
-                return new CallResult<T>(default, new DeserializeError($"Deserialize Unknown Exception: {exceptionInfo}", data));
+                return new CallResult<T>(new DeserializeError($"Deserialize Unknown Exception: {exceptionInfo}", data));
             }
         }
 

CryptoExchange.Net/Clients/BaseRestClient.cs

@@ -136,7 +136,7 @@ namespace CryptoExchange.Net
             if (signed && apiClient.AuthenticationProvider == null)
             {
                 log.Write(LogLevel.Warning, $"[{requestId}] Request {uri.AbsolutePath} failed because no ApiCredentials were provided");
-                return new WebCallResult<T>(null, null, null, new NoApiCredentialsError());
+                return new WebCallResult<T>(new NoApiCredentialsError());
             }
 
             var paramsPosition = parameterPosition ?? ParameterPositions[method];
@@ -145,7 +145,7 @@ namespace CryptoExchange.Net
             {
                 var limitResult = await limiter.LimitRequestAsync(log, uri.AbsolutePath, method, signed, apiClient.Options.ApiCredentials?.Key, apiClient.Options.RateLimitingBehaviour, requestWeight, cancellationToken).ConfigureAwait(false);
                 if (!limitResult.Success)                
-                    return new WebCallResult<T>(null, null, null, limitResult.Error);
+                    return new WebCallResult<T>(limitResult.Error!);
             }
 
             string? paramString = "";
@@ -196,16 +196,16 @@ namespace CryptoExchange.Net
                         // Validate if it is valid json. Sometimes other data will be returned, 502 error html pages for example
                         var parseResult = ValidateJson(data);
                         if (!parseResult.Success)
-                            return WebCallResult<T>.CreateErrorResult(response.StatusCode, response.ResponseHeaders, parseResult.Error!);
+                            return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, ClientOptions.OutputOriginalData ? data : null, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), default, parseResult.Error!);
 
                         // Let the library implementation see if it is an error response, and if so parse the error
                         var error = await TryParseErrorAsync(parseResult.Data).ConfigureAwait(false);
                         if (error != null)
-                            return WebCallResult<T>.CreateErrorResult(response.StatusCode, response.ResponseHeaders, error);
+                            return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, ClientOptions.OutputOriginalData ? data : null, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), default, error!);
 
                         // Not an error, so continue deserializing
                         var deserializeResult = Deserialize<T>(parseResult.Data, deserializer, request.RequestId);
-                        return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, ClientOptions.OutputOriginalData ? data: null, deserializeResult.Data, deserializeResult.Error);
+                        return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, ClientOptions.OutputOriginalData ? data: null, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), deserializeResult.Data, deserializeResult.Error);
                     }
                     else
                     {
@@ -214,7 +214,7 @@ namespace CryptoExchange.Net
                         responseStream.Close();
                         response.Close();
 
-                        return new WebCallResult<T>(statusCode, headers, ClientOptions.OutputOriginalData ? desResult.OriginalData : null, desResult.Data, desResult.Error);
+                        return new WebCallResult<T>(statusCode, headers, ClientOptions.OutputOriginalData ? desResult.OriginalData : null, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), desResult.Data, desResult.Error);
                     }
                 }
                 else
@@ -229,7 +229,7 @@ namespace CryptoExchange.Net
                     var error = parseResult.Success ? ParseErrorResponse(parseResult.Data) : parseResult.Error!;
                     if(error.Code == null || error.Code == 0)
                         error.Code = (int)response.StatusCode;
-                    return new WebCallResult<T>(statusCode, headers, default, error);
+                    return new WebCallResult<T>(statusCode, headers, data, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), default, error);
                 }
             }
             catch (HttpRequestException requestException)
@@ -237,7 +237,7 @@ namespace CryptoExchange.Net
                 // Request exception, can't reach server for instance
                 var exceptionInfo = requestException.ToLogString();
                 log.Write(LogLevel.Warning, $"[{request.RequestId}] Request exception: " + exceptionInfo);
-                return new WebCallResult<T>(null, null, default, new WebError(exceptionInfo));
+                return new WebCallResult<T>(null, null, null, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), default, new WebError(exceptionInfo));
             }
             catch (OperationCanceledException canceledException)
             {
@@ -245,13 +245,13 @@ namespace CryptoExchange.Net
                 {
                     // Cancellation token canceled by caller
                     log.Write(LogLevel.Warning, $"[{request.RequestId}] Request canceled by cancellation token");
-                    return new WebCallResult<T>(null, null, default, new CancellationRequestedError());
+                    return new WebCallResult<T>(null, null, null, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), default, new CancellationRequestedError());
                 }
                 else
                 {
                     // Request timed out
                     log.Write(LogLevel.Warning, $"[{request.RequestId}] Request timed out: " + canceledException.ToLogString());
-                    return new WebCallResult<T>(null, null, default, new WebError($"[{request.RequestId}] Request timed out"));
+                    return new WebCallResult<T>(null, null, null, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), default, new WebError($"[{request.RequestId}] Request timed out"));
                 }
             }
         }

CryptoExchange.Net/Clients/BaseSocketClient.cs

@@ -163,7 +163,7 @@ namespace CryptoExchange.Net
             }
             catch (OperationCanceledException)
             {
-                return new CallResult<UpdateSubscription>(null, new CancellationRequestedError());
+                return new CallResult<UpdateSubscription>(new CancellationRequestedError());
             }
 
             try
@@ -184,7 +184,7 @@ namespace CryptoExchange.Net
 
                 var connectResult = await ConnectIfNeededAsync(socketConnection, authenticated).ConfigureAwait(false);
                 if (!connectResult)
-                    return new CallResult<UpdateSubscription>(null, connectResult.Error);
+                    return new CallResult<UpdateSubscription>(connectResult.Error!);
 
                 if (needsConnecting)
                     log.Write(LogLevel.Debug, $"Socket {socketConnection.Socket.Id} connected to {url} {(request == null ? "": "with request " + JsonConvert.SerializeObject(request))}");
@@ -198,7 +198,7 @@ namespace CryptoExchange.Net
             if (socketConnection.PausedActivity)
             {
                 log.Write(LogLevel.Information, $"Socket {socketConnection.Socket.Id} has been paused, can't subscribe at this moment");
-                return new CallResult<UpdateSubscription>(default, new ServerError("Socket is paused"));
+                return new CallResult<UpdateSubscription>( new ServerError("Socket is paused"));
             }
 
             if (request != null)
@@ -208,7 +208,7 @@ namespace CryptoExchange.Net
                 if (!subResult)
                 {
                     await socketConnection.CloseAsync(subscription).ConfigureAwait(false);
-                    return new CallResult<UpdateSubscription>(null, subResult.Error);
+                    return new CallResult<UpdateSubscription>(subResult.Error!);
                 }
             }
             else
@@ -226,7 +226,7 @@ namespace CryptoExchange.Net
                     await socketConnection.CloseAsync(subscription).ConfigureAwait(false);
                 }, false);
             }
-            return new CallResult<UpdateSubscription>(new UpdateSubscription(socketConnection, subscription), null);
+            return new CallResult<UpdateSubscription>(new UpdateSubscription(socketConnection, subscription));
         }
 
         /// <summary>
@@ -242,9 +242,15 @@ namespace CryptoExchange.Net
             await socketConnection.SendAndWaitAsync(request, ClientOptions.SocketResponseTimeout, data => HandleSubscriptionResponse(socketConnection, subscription, request, data, out callResult)).ConfigureAwait(false);
 
             if (callResult?.Success == true)
+            {
                 subscription.Confirmed = true;
+                return new CallResult<bool>(true);
+            }
 
-            return new CallResult<bool>(callResult?.Success ?? false, callResult == null ? new ServerError("No response on subscription request received"): callResult.Error);
+            if(callResult== null)
+                return new CallResult<bool>(new ServerError("No response on subscription request received"));
+
+            return new CallResult<bool>(callResult.Error!);
         }
 
         /// <summary>
@@ -286,7 +292,7 @@ namespace CryptoExchange.Net
 
                 var connectResult = await ConnectIfNeededAsync(socketConnection, authenticated).ConfigureAwait(false);
                 if (!connectResult)
-                    return new CallResult<T>(default, connectResult.Error);
+                    return new CallResult<T>(connectResult.Error!);
             }
             finally
             {
@@ -299,7 +305,7 @@ namespace CryptoExchange.Net
             if (socketConnection.PausedActivity)
             {
                 log.Write(LogLevel.Information, $"Socket {socketConnection.Socket.Id} has been paused, can't send query at this moment");
-                return new CallResult<T>(default, new ServerError("Socket is paused"));
+                return new CallResult<T>(new ServerError("Socket is paused"));
             }
 
             return await QueryAndWaitAsync<T>(socketConnection, request).ConfigureAwait(false);
@@ -314,7 +320,7 @@ namespace CryptoExchange.Net
         /// <returns></returns>
         protected virtual async Task<CallResult<T>> QueryAndWaitAsync<T>(SocketConnection socket, object request)
         {
-            var dataResult = new CallResult<T>(default, new ServerError("No response on query received"));
+            var dataResult = new CallResult<T>(new ServerError("No response on query received"));
             await socket.SendAndWaitAsync(request, ClientOptions.SocketResponseTimeout, data =>
             {
                 if (!HandleQueryResponse<T>(socket, request, data, out var callResult))
@@ -336,14 +342,14 @@ namespace CryptoExchange.Net
         protected virtual async Task<CallResult<bool>> ConnectIfNeededAsync(SocketConnection socket, bool authenticated)
         {
             if (socket.Connected)
-                return new CallResult<bool>(true, null);
+                return new CallResult<bool>(true);
 
             var connectResult = await ConnectSocketAsync(socket).ConfigureAwait(false);
             if (!connectResult)
-                return new CallResult<bool>(false, connectResult.Error);
+                return new CallResult<bool>(connectResult.Error!);
 
             if (!authenticated || socket.Authenticated)
-                return new CallResult<bool>(true, null);
+                return new CallResult<bool>(true);
 
             var result = await AuthenticateSocketAsync(socket).ConfigureAwait(false);
             if (!result)
@@ -351,11 +357,11 @@ namespace CryptoExchange.Net
                 await socket.CloseAsync().ConfigureAwait(false);
                 log.Write(LogLevel.Warning, $"Socket {socket.Socket.Id} authentication failed");
                 result.Error!.Message = "Authentication failed: " + result.Error.Message;
-                return new CallResult<bool>(false, result.Error);
+                return new CallResult<bool>(result.Error);
             }
 
             socket.Authenticated = true;
-            return new CallResult<bool>(true, null);
+            return new CallResult<bool>(true);
         }
 
         /// <summary>
@@ -532,11 +538,11 @@ namespace CryptoExchange.Net
             if (await socketConnection.Socket.ConnectAsync().ConfigureAwait(false))
             {
                 sockets.TryAdd(socketConnection.Socket.Id, socketConnection);
-                return new CallResult<bool>(true, null);
+                return new CallResult<bool>(true);
             }
 
             socketConnection.Socket.Dispose();
-            return new CallResult<bool>(false, new CantConnectError());
+            return new CallResult<bool>(new CantConnectError());
         }
 
         /// <summary>

CryptoExchange.Net/Clients/RestApiClient.cs

@@ -34,7 +34,7 @@ namespace CryptoExchange.Net
         /// <summary>
         /// Options for this client
         /// </summary>
-        public RestApiClientOptions Options { get; }
+        public new RestApiClientOptions Options => (RestApiClientOptions)base.Options;
 
         /// <summary>
         /// List of rate limiters
@@ -48,8 +48,6 @@ namespace CryptoExchange.Net
         /// <param name="apiOptions">The Api client options</param>
         public RestApiClient(BaseRestClientOptions options, RestApiClientOptions apiOptions): base(options, apiOptions)
         {
-            Options = apiOptions;
-
             var rateLimiters = new List<IRateLimiter>();
             foreach (var rateLimiter in apiOptions.RateLimiters)
                 rateLimiters.Add(rateLimiter);
@@ -70,7 +68,7 @@ namespace CryptoExchange.Net
                 if (!timeSyncParams.SyncTime || (DateTime.UtcNow - timeSyncParams.TimeSyncState.LastSyncTime < TimeSpan.FromHours(1)))
                 {
                     timeSyncParams.TimeSyncState.Semaphore.Release();
-                    return new WebCallResult<bool>(null, null, true, null);
+                    return new WebCallResult<bool>(null, null, null, null, null, null, null, true, null);
                 }
 
                 var localTime = DateTime.UtcNow;
@@ -108,7 +106,7 @@ namespace CryptoExchange.Net
                 }
             }
 
-            return new WebCallResult<bool>(null, null, true, null);
+            return new WebCallResult<bool>(null, null, null, null, null, null, null, true, null);
         }
     }
 }

CryptoExchange.Net/Clients/SocketApiClient.cs

@@ -7,11 +7,6 @@ namespace CryptoExchange.Net
     /// </summary>
     public abstract class SocketApiClient : BaseApiClient
     {
-        /// <summary>
-        /// The options for this client
-        /// </summary>
-        internal ApiClientOptions Options { get; }
-
         /// <summary>
         /// ctor
         /// </summary>
@@ -19,8 +14,6 @@ namespace CryptoExchange.Net
         /// <param name="apiOptions">The Api client options</param>
         public SocketApiClient(BaseClientOptions options, ApiClientOptions apiOptions): base(options, apiOptions)
         {
-            Options = apiOptions;
         }
-
     }
 }

CryptoExchange.Net/Objects/CallResult.cs

@@ -1,6 +1,8 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 using System.Diagnostics.CodeAnalysis;
 using System.Net;
+using System.Net.Http;
 
 namespace CryptoExchange.Net.Objects
 {
@@ -36,16 +38,6 @@ namespace CryptoExchange.Net.Objects
         {
             return obj?.Success == true;
         }
-        
-        /// <summary>
-        /// Create an error result
-        /// </summary>
-        /// <param name="error"></param>
-        /// <returns></returns>
-        public static WebCallResult CreateErrorResult(Error error)
-        {
-            return new WebCallResult(null, null, error);
-        }
     }
 
     /// <summary>
@@ -62,22 +54,36 @@ namespace CryptoExchange.Net.Objects
         /// <summary>
         /// The original data returned by the call, only available when `OutputOriginalData` is set to `true` in the client options
         /// </summary>
-        public string? OriginalData { get; set; }
+        public string? OriginalData { get; internal set; }
 
         /// <summary>
         /// ctor
         /// </summary>
         /// <param name="data"></param>
+        /// <param name="originalData"></param>
         /// <param name="error"></param>
 #pragma warning disable 8618
-        public CallResult([AllowNull]T data, Error? error): base(error)
+        protected CallResult([AllowNull]T data, string? originalData, Error? error): base(error)
 #pragma warning restore 8618
         {
+            OriginalData = originalData;
 #pragma warning disable 8601
             Data = data;
 #pragma warning restore 8601
         }
 
+        /// <summary>
+        /// Create a new data result
+        /// </summary>
+        /// <param name="data">The data to return</param>
+        public CallResult(T data) : this(data, null, null) { }
+
+        /// <summary>
+        /// Create a new error result
+        /// </summary>
+        /// <param name="error">The erro rto return</param>
+        public CallResult(Error error) : this(default, null, error) { }
+
         /// <summary>
         /// Overwrite bool check so we can use if(callResult) instead of if(callResult.Success)
         /// </summary>
@@ -111,16 +117,6 @@ namespace CryptoExchange.Net.Objects
             }
         }
 
-        /// <summary>
-        /// Create an error result
-        /// </summary>
-        /// <param name="error"></param>
-        /// <returns></returns>
-        public new static WebCallResult<T> CreateErrorResult(Error error)
-        {
-            return new WebCallResult<T>(null, null, default, error);
-        }
-
         /// <summary>
         /// Copy the WebCallResult to a new data type
         /// </summary>
@@ -129,7 +125,18 @@ namespace CryptoExchange.Net.Objects
         /// <returns></returns>
         public CallResult<K> As<K>([AllowNull] K data)
         {
-            return new CallResult<K>(data, Error);
+            return new CallResult<K>(data, OriginalData, Error);
+        }
+
+        /// <summary>
+        /// Copy the WebCallResult to a new data type
+        /// </summary>
+        /// <typeparam name="K">The new type</typeparam>
+        /// <param name="error">The error to return</param>
+        /// <returns></returns>
+        public CallResult<K> AsError<K>(Error error)
+        {
+            return new CallResult<K>(default, OriginalData, error);
         }
     }
 
@@ -154,34 +161,23 @@ namespace CryptoExchange.Net.Objects
         /// <param name="code">Status code</param>
         /// <param name="responseHeaders">Response headers</param>
         /// <param name="error">Error</param>
-        public WebCallResult(
+        private WebCallResult(
             HttpStatusCode? code,
-            IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, Error? error) : base(error)
+            IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, 
+            Error? error) : base(error)
         {
             ResponseHeaders = responseHeaders;
             ResponseStatusCode = code;
         }
 
         /// <summary>
-        /// Create an error result
+        /// Return the result as an error result
         /// </summary>
-        /// <param name="code">Status code</param>
+        /// <param name="error">The error returned</param>
-        /// <param name="responseHeaders">Response headers</param>
-        /// <param name="error">Error</param>
         /// <returns></returns>
-        public static WebCallResult CreateErrorResult(HttpStatusCode? code, IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, Error error)
+        public WebCallResult AsError(Error error)
         {
-            return new WebCallResult(code, responseHeaders, error);
+            return new WebCallResult(ResponseStatusCode, ResponseHeaders, error);
-        }
-
-        /// <summary>
-        /// Create an error result
-        /// </summary>
-        /// <param name="result"></param>
-        /// <returns></returns>
-        public static WebCallResult CreateErrorResult(WebCallResult result)
-        {
-            return new WebCallResult(result.ResponseStatusCode, result.ResponseHeaders, result.Error);
         }
     }
 
@@ -191,6 +187,26 @@ namespace CryptoExchange.Net.Objects
     /// <typeparam name="T"></typeparam>
     public class WebCallResult<T>: CallResult<T>
     {
+        /// <summary>
+        /// The request http method
+        /// </summary>
+        public HttpMethod? RequestMethod { get; set; }
+
+        /// <summary>
+        /// The headers sent with the request
+        /// </summary>
+        public IEnumerable<KeyValuePair<string, IEnumerable<string>>>? RequestHeaders { get; set; }
+
+        /// <summary>
+        /// The url which was requested
+        /// </summary>
+        public string? RequestUrl { get; set; }
+
+        /// <summary>
+        /// The body of the request
+        /// </summary>
+        public string? RequestBody { get; set; }
+
         /// <summary>
         /// The status code of the response. Note that a OK status does not always indicate success, check the Success parameter for this.
         /// </summary>
@@ -200,44 +216,49 @@ namespace CryptoExchange.Net.Objects
         /// The response headers
         /// </summary>
         public IEnumerable<KeyValuePair<string, IEnumerable<string>>>? ResponseHeaders { get; set; }
-        
-        /// <summary>
-        /// ctor
-        /// </summary>
-        /// <param name="code"></param>
-        /// <param name="responseHeaders"></param>
-        /// <param name="data"></param>
-        /// <param name="error"></param>
-        public WebCallResult(
-            HttpStatusCode? code, 
-            IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, 
-            [AllowNull] T data, 
-            Error? error): base(data, error)
-        {
-            ResponseStatusCode = code;
-            ResponseHeaders = responseHeaders;
-        }
 
         /// <summary>
-        /// ctor
+        /// The time between sending the request and receiving the response
+        /// </summary>
+        public TimeSpan? ResponseTime { get; set; }
+
+        /// <summary>
+        /// Create a new result
         /// </summary>
         /// <param name="code"></param>
-        /// <param name="originalData"></param>
         /// <param name="responseHeaders"></param>
+        /// <param name="originalData"></param>
+        /// <param name="requestUrl"></param>
+        /// <param name="requestBody"></param>
+        /// <param name="requestMethod"></param>
+        /// <param name="requestHeaders"></param>
         /// <param name="data"></param>
         /// <param name="error"></param>
         public WebCallResult(
             HttpStatusCode? code,
             IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders,
             string? originalData,
+            string? requestUrl,
+            string? requestBody,
+            HttpMethod? requestMethod,
+            IEnumerable<KeyValuePair<string, IEnumerable<string>>>? requestHeaders,
             [AllowNull] T data,
-            Error? error) : base(data, error)
+            Error? error) : base(data, originalData, error)
         {
-            OriginalData = originalData;
             ResponseStatusCode = code;
             ResponseHeaders = responseHeaders;
+            RequestUrl = requestUrl;
+            RequestBody = requestBody;
+            RequestHeaders = requestHeaders;
+            RequestMethod = requestMethod;
         }
 
+        /// <summary>
+        /// Create a new error result
+        /// </summary>
+        /// <param name="error">The error</param>
+        public WebCallResult(Error? error) : this(null, null, null, null, null, null, null, default, error) { }
+
         /// <summary>
         /// Copy the WebCallResult to a new data type
         /// </summary>
@@ -246,19 +267,18 @@ namespace CryptoExchange.Net.Objects
         /// <returns></returns>
         public new WebCallResult<K> As<K>([AllowNull] K data)
         {
-            return new WebCallResult<K>(ResponseStatusCode, ResponseHeaders, OriginalData, data, Error);
+            return new WebCallResult<K>(ResponseStatusCode, ResponseHeaders, OriginalData, RequestUrl, RequestBody, RequestMethod, RequestHeaders, data, Error);
         }
 
         /// <summary>
-        /// Create an error result
+        /// Copy the WebCallResult to a new data type
         /// </summary>
-        /// <param name="code"></param>
+        /// <typeparam name="K">The new type</typeparam>
-        /// <param name="responseHeaders"></param>
+        /// <param name="error">The error returned</param>
-        /// <param name="error"></param>
         /// <returns></returns>
-        public static WebCallResult<T> CreateErrorResult(HttpStatusCode? code, IEnumerable<KeyValuePair<string, IEnumerable<string>>>? responseHeaders, Error error)
+        public new WebCallResult<K> AsError<K>(Error error)
         {
-            return new WebCallResult<T>(code, responseHeaders, default, error);
+            return new WebCallResult<K>(ResponseStatusCode, ResponseHeaders, OriginalData, RequestUrl, RequestBody, RequestMethod, RequestHeaders, default, error);
         }
     }
 }

CryptoExchange.Net/Objects/RateLimiter.cs

@@ -118,7 +118,7 @@ namespace CryptoExchange.Net.Objects
             }
 
             if (endpointLimit?.IgnoreOtherRateLimits == true)
-                return new CallResult<int>(totalWaitTime, null);
+                return new CallResult<int>(totalWaitTime);
 
             List<PartialEndpointRateLimiter> partialEndpointLimits;
             lock (_limiterLock)
@@ -155,7 +155,7 @@ namespace CryptoExchange.Net.Objects
             }
 
             if(partialEndpointLimits.Any(p => p.IgnoreOtherRateLimits))
-                return new CallResult<int>(totalWaitTime, null);
+                return new CallResult<int>(totalWaitTime);
 
             ApiKeyRateLimiter? apiLimit;
             lock (_limiterLock)
@@ -195,7 +195,7 @@ namespace CryptoExchange.Net.Objects
             }
 
             if ((signed || apiLimit?.OnlyForSignedRequests == false) && apiLimit?.IgnoreTotalRateLimit == true)
-                return new CallResult<int>(totalWaitTime, null);
+                return new CallResult<int>(totalWaitTime);
 
             TotalRateLimiter? totalLimit;
             lock (_limiterLock)
@@ -209,7 +209,7 @@ namespace CryptoExchange.Net.Objects
                 totalWaitTime += waitResult.Data;
             }
 
-            return new CallResult<int>(totalWaitTime, null);
+            return new CallResult<int>(totalWaitTime);
         }
 
         private static async Task<CallResult<int>> ProcessTopic(Log log, Limiter historyTopic, string endpoint, int requestWeight, RateLimitingBehaviour limitBehaviour, CancellationToken ct)
@@ -221,7 +221,7 @@ namespace CryptoExchange.Net.Objects
             }
             catch (OperationCanceledException)
             {
-                return new CallResult<int>(0, new CancellationRequestedError());
+                return new CallResult<int>(new CancellationRequestedError());
             }
             sw.Stop();
 
@@ -253,7 +253,7 @@ namespace CryptoExchange.Net.Objects
                             historyTopic.Semaphore.Release();
                             var msg = $"Request to {endpoint} failed because of rate limit `{historyTopic}`. Current weight: {currentWeight}/{historyTopic.Limit}, request weight: {requestWeight}";
                             log.Write(LogLevel.Warning, msg);
-                            return new CallResult<int>(thisWaitTime, new RateLimitError(msg));
+                            return new CallResult<int>(new RateLimitError(msg));
                         }
 
                         log.Write(LogLevel.Information, $"Request to {endpoint} waiting {thisWaitTime}ms for rate limit `{historyTopic}`. Current weight: {currentWeight}/{historyTopic.Limit}, request weight: {requestWeight}");
@@ -263,7 +263,7 @@ namespace CryptoExchange.Net.Objects
                         }
                         catch (OperationCanceledException)
                         {
-                            return new CallResult<int>(0, new CancellationRequestedError());
+                            return new CallResult<int>(new CancellationRequestedError());
                         }
                         totalWaitTime += thisWaitTime;
                     }
@@ -277,7 +277,7 @@ namespace CryptoExchange.Net.Objects
             var newTime = DateTime.UtcNow;
             historyTopic.Entries.Add(new LimitEntry(newTime, requestWeight));
             historyTopic.Semaphore.Release();
-            return new CallResult<int>(totalWaitTime, null);
+            return new CallResult<int>(totalWaitTime);
         }
 
         internal struct LimitEntry

CryptoExchange.Net/OrderBook/SymbolOrderBook.cs

@@ -233,7 +233,7 @@ namespace CryptoExchange.Net.OrderBook
             if (!startResult)
             {
                 Status = OrderBookStatus.Disconnected;
-                return new CallResult<bool>(false, startResult.Error);
+                return new CallResult<bool>(startResult.Error!);
             }
 
             _subscription = startResult.Data;
@@ -252,7 +252,7 @@ namespace CryptoExchange.Net.OrderBook
 
             _subscription.ConnectionRestored += async time => await ResyncAsync().ConfigureAwait(false);
             Status = OrderBookStatus.Synced;
-            return new CallResult<bool>(true, null);
+            return new CallResult<bool>(true);
         }
 
         /// <inheritdoc/>
@@ -273,7 +273,7 @@ namespace CryptoExchange.Net.OrderBook
         public CallResult<decimal> CalculateAverageFillPrice(decimal quantity, OrderBookEntryType type)
         {
             if (Status != OrderBookStatus.Synced)
-                return new CallResult<decimal>(0, new InvalidOperationError($"{nameof(CalculateAverageFillPrice)} is not available when book is not in Synced state"));
+                return new CallResult<decimal>(new InvalidOperationError($"{nameof(CalculateAverageFillPrice)} is not available when book is not in Synced state"));
 
             var totalCost = 0m;
             var totalAmount = 0m;
@@ -286,7 +286,7 @@ namespace CryptoExchange.Net.OrderBook
                 while (amountLeft > 0)
                 {
                     if (step == list.Count)
-                        return new CallResult<decimal>(0, new InvalidOperationError("Quantity is larger than order in the order book"));
+                        return new CallResult<decimal>(new InvalidOperationError("Quantity is larger than order in the order book"));
 
                     var element = list.ElementAt(step);
                     var stepAmount = Math.Min(element.Value.Quantity, amountLeft);
@@ -297,7 +297,7 @@ namespace CryptoExchange.Net.OrderBook
                 }
             }
 
-            return new CallResult<decimal>(Math.Round(totalCost / totalAmount, 8), null);
+            return new CallResult<decimal>(Math.Round(totalCost / totalAmount, 8));
         }
 
         /// <summary>
@@ -466,12 +466,12 @@ namespace CryptoExchange.Net.OrderBook
             while (!bookSet && Status == OrderBookStatus.Syncing)
             {
                 if ((DateTime.UtcNow - startWait).TotalMilliseconds > timeout)
-                    return new CallResult<bool>(false, new ServerError("Timeout while waiting for data"));
+                    return new CallResult<bool>(new ServerError("Timeout while waiting for data"));
 
                 await Task.Delay(10).ConfigureAwait(false);
             }
 
-            return new CallResult<bool>(true, null);
+            return new CallResult<bool>(true);
         }
 
         /// <summary>

CryptoExchange.Net/Sockets/SocketConnection.cs

@@ -530,7 +530,7 @@ namespace CryptoExchange.Net.Sockets
         internal async Task<CallResult<bool>> ResubscribeAsync(SocketSubscription socketSubscription)
         {
             if (!Socket.IsOpen)
-                return new CallResult<bool>(false, new UnknownError("Socket is not connected"));
+                return new CallResult<bool>(new UnknownError("Socket is not connected"));
 
             return await socketClient.SubscribeAndWaitAsync(this, socketSubscription.Request!, socketSubscription).ConfigureAwait(false);
         }