Updated to version 10.7.1

Updated INextPageToken parameter on Shared interfaces to PageRequest type, functionality unchanged
Added SupportsAscending and SupportsDescending properties to PaginatedEndpointOptions to expose supported data directions
Added MaxAge property to PaginatedEndpointOptions to expose the max age of data that can be requested
Added Direction property to Shared interfaces paginated requests to configure pagination data direction 
Removed PaginationSupport property from PaginatedEndpointOptions, replaced by above new properties
Updated Shared GetTradeHistoryRequest EndTime property to be optional
Updated I(Futures/Spot)OrderRestClient.GetClosed(Futures/Spot)OrdersOptions from PaginatedEndpointOptions<GetClosedOrdersRequest> to GetClosedOrdersOptions 
Updated I(Futures/Spot)OrderRestClient.Get(Futures/Spot)UserTradesOptions from PaginatedEndpointOptions<GetUserTradesRequest> to GetUserTradesOptions
Updated rate limiting PathStartFilter to ignore added or missing slash before the path
Fixed KlineTracker throwing exception if there is no data in the initial snapshot

.github/workflows/dotnet.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 9.0.x
+        dotnet-version: 10.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build

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

@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net9.0;net10.0</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup>
     <PackageId>CryptoExchange.Net.Protobuf</PackageId>
     <Authors>JKorf</Authors>
     <Description>Protobuf support for CryptoExchange.Net</Description>
-    <PackageVersion>9.6.0</PackageVersion>
+    <PackageVersion>10.0.1</PackageVersion>
-    <AssemblyVersion>9.6.0</AssemblyVersion>
+    <AssemblyVersion>10.0.1</AssemblyVersion>
-    <FileVersion>9.6.0</FileVersion>
+    <FileVersion>10.0.1</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="9.6.0" />
+    <PackageReference Include="CryptoExchange.Net" Version="10.0.2" />
     <PackageReference Include="protobuf-net" Version="3.2.56" />
   </ItemGroup>
 </Project>

CryptoExchange.Net.Protobuf/README.md

@@ -5,6 +5,36 @@
 Protobuf support for CryptoExchange.Net.
 
 ## Release notes
+* Version 10.0.1 - 16 Dec 2025
+    * Updated CryptoExchange.Net version to 10.0.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* Version 10.0.0 - 16 Dec 2025
+    * Updated CryptoExchange.Net version to 10.0.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* Version 9.13.0 - 10 Nov 2025
+    * Updated CryptoExchange.Net version to 9.13.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* Version 9.12.0 - 03 Nov 2025
+    * Updated CryptoExchange.Net version to 9.12.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* Version 9.11.1 - 30 Oct 2025
+    * Updated CryptoExchange.Net version to 9.11.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* Version 9.11.0 - 30 Oct 2025
+    * Updated CryptoExchange.Net version to 9.11.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* Version 9.10.0 - 15 Oct 2025
+    * Updated CryptoExchange.Net version to 9.10.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* 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/
+
+* Version 9.7.0 - 01 Sep 2025
+    * Updated CryptoExchange.Net version to 9.7.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
 * Version 9.6.0 - 25 Aug 2025
     * Updated CryptoExchange.Net version to 9.6.0
 

CryptoExchange.Net.UnitTests/AsyncResetEventTests.cs

@@ -4,7 +4,7 @@ using NUnit.Framework.Legacy;
 using System;
 using System.Collections.Generic;
 using System.Linq;
-using System.Text;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace CryptoExchange.Net.UnitTests
@@ -140,5 +140,17 @@ namespace CryptoExchange.Net.UnitTests
 
             ClassicAssert.False(result1);
         }
+
+        [Test]
+        public async Task CancellingWait_Should_ReturnFalse()
+        {
+            var evnt = new AsyncResetEvent(false, true);
+
+            var waiter1 = evnt.WaitAsync(ct: new CancellationTokenSource(50).Token);
+
+            var result1 = await waiter1;
+
+            ClassicAssert.False(result1);
+        }
     }
 }

CryptoExchange.Net.UnitTests/BaseClientTests.cs

@@ -1,11 +1,5 @@
-using CryptoExchange.Net.Authentication;
+using NUnit.Framework;
-using CryptoExchange.Net.Objects;
-using CryptoExchange.Net.UnitTests.TestImplementations;
-using Microsoft.Extensions.Logging;
-using NUnit.Framework;
 using NUnit.Framework.Legacy;
-using System;
-using System.Collections.Generic;
 
 namespace CryptoExchange.Net.UnitTests
 {
@@ -25,20 +19,6 @@ namespace CryptoExchange.Net.UnitTests
             Assert.That(result.Success);
         }
 
-        [TestCase]
-        public void DeserializingInvalidJson_Should_GiveErrorResult()
-        {
-            // arrange
-            var client = new TestBaseClient();
-
-            // act
-            var result = client.SubClient.Deserialize<object>("{\"testProperty\": 123");
-
-            // assert
-            ClassicAssert.IsFalse(result.Success);
-            Assert.That(result.Error != null);
-        }
-
         [TestCase("https://api.test.com/api", new[] { "path1", "path2" }, "https://api.test.com/api/path1/path2")]
         [TestCase("https://api.test.com/api", new[] { "path1", "/path2" }, "https://api.test.com/api/path1/path2")]
         [TestCase("https://api.test.com/api", new[] { "path1/", "path2" }, "https://api.test.com/api/path1/path2")]

CryptoExchange.Net.UnitTests/CallResultTests.cs

@@ -4,10 +4,8 @@ using NUnit.Framework;
 using NUnit.Framework.Legacy;
 using System;
 using System.Collections.Generic;
-using System.Linq;
+using System.Net;
 using System.Net.Http;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace CryptoExchange.Net.UnitTests
 {
@@ -113,7 +111,8 @@ namespace CryptoExchange.Net.UnitTests
         {
             var result = new WebCallResult<TestObjectResult>(
                 System.Net.HttpStatusCode.OK,
-                new KeyValuePair<string, string[]>[0],
+                HttpVersion.Version11,
+                new HttpResponseMessage().Headers,
                 TimeSpan.FromSeconds(1),
                 null,
                 "{}",
@@ -121,7 +120,7 @@ namespace CryptoExchange.Net.UnitTests
                 "https://test.com/api",
                 null,
                 HttpMethod.Get,
-                new KeyValuePair<string, string[]>[0],
+                new HttpRequestMessage().Headers,
                 ResultDataSource.Server,
                 new TestObjectResult(),
                 null);
@@ -143,7 +142,8 @@ namespace CryptoExchange.Net.UnitTests
         {
             var result = new WebCallResult<TestObjectResult>(
                 System.Net.HttpStatusCode.OK,
-                new KeyValuePair<string, string[]>[0],
+                HttpVersion.Version11,
+                new HttpResponseMessage().Headers,
                 TimeSpan.FromSeconds(1),
                 null,
                 "{}",
@@ -151,7 +151,7 @@ namespace CryptoExchange.Net.UnitTests
                 "https://test.com/api",
                 null,
                 HttpMethod.Get,
-                new KeyValuePair<string, string[]>[0],
+                new HttpRequestMessage().Headers,
                 ResultDataSource.Server,
                 new TestObjectResult(),
                 null);

CryptoExchange.Net.UnitTests/CryptoExchange.Net.UnitTests.csproj

@@ -1,19 +1,15 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net9.0</TargetFramework>
+    <TargetFramework>net10.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <None Include="..\CryptoExchange.Net\.editorconfig" Link=".editorconfig" />
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="18.0.1"></PackageReference>
-  </ItemGroup>
-
-  <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"></PackageReference>
     <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="NUnit" Version="4.3.2"></PackageReference>
+    <PackageReference Include="NUnit" Version="4.4.0"></PackageReference>
-    <PackageReference Include="NUnit3TestAdapter" Version="5.0.0"></PackageReference>
+    <PackageReference Include="NUnit3TestAdapter" Version="6.0.1"></PackageReference>
   </ItemGroup>
 
   <ItemGroup>

CryptoExchange.Net.UnitTests/ExchangeHelpersTests.cs

@@ -1,7 +1,5 @@
 using CryptoExchange.Net.Objects;
 using NUnit.Framework;
-using NUnit.Framework.Legacy;
-using System.Diagnostics;
 using System.Globalization;
 
 namespace CryptoExchange.Net.UnitTests
@@ -32,6 +30,7 @@ namespace CryptoExchange.Net.UnitTests
         [TestCase(0.1, 1, 0.0001, RoundingType.Closest, 0.532, 0.532)]
         [TestCase(0.1, 1, 0.0001, RoundingType.Down, 0.5516592, 0.5516)]
         [TestCase(0.1, 1, 0.0001, RoundingType.Closest, 0.5516592, 0.5517)]
+        [TestCase(0, 1, 0.000000001, RoundingType.Closest, 0.0000097232, 0.000009723)]
         public void AdjustValueStepTests(decimal min, decimal max, decimal? step, RoundingType roundingType, decimal input, decimal expected)
         {
             var result = ExchangeHelpers.AdjustValueStep(min, max, step, roundingType, input);

CryptoExchange.Net.UnitTests/ExchangeSymbolCacheTests.cs

@@ -0,0 +1,465 @@
+using CryptoExchange.Net.SharedApis;
+using NUnit.Framework;
+using System;
+using System.Linq;
+
+namespace CryptoExchange.Net.UnitTests
+{
+    [TestFixture()]
+    public class ExchangeSymbolCacheTests
+    {
+        private SharedSpotSymbol[] CreateTestSymbols()
+        {
+            return new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("BTC", "EUR", "BTCEUR", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "BTC", "ETHBTC", true, TradingMode.Spot),
+                new SharedSpotSymbol("XRP", "USDT", "XRPUSDT", false, TradingMode.Spot)
+            };
+        }
+
+        private SharedSpotSymbol[] CreateFuturesSymbols()
+        {
+            return new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT-PERP", true, TradingMode.PerpetualLinear),
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT-PERP", true, TradingMode.PerpetualLinear)
+            };
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_NewTopic_Should_AddToCache()
+        {
+            // arrange
+            var topicId = "NewExchange";
+            var symbols = CreateTestSymbols();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var hasCached = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(hasCached, Is.True);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_Should_StoreAllSymbols()
+        {
+            // arrange
+            var topicId = "ExchangeWithSymbols";
+            var symbols = CreateTestSymbols();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // assert
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "BTCUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "ETHUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "BTCEUR"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "ETHBTC"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "XRPUSDT"), Is.True);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_CalledTwiceWithinAnHour_Should_NotUpdate()
+        {
+            // arrange
+            var topicId = "ExchangeNoUpdate";
+            var initialSymbols = new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot)
+            };
+            var updatedSymbols = new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot)
+            };
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, initialSymbols);
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, updatedSymbols);
+
+            // assert - should still have only the initial symbol since less than 60 minutes passed
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "BTCUSDT"), Is.True);
+            // The second update should not have been applied
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, "ETHUSDT"), Is.False);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_WithEmptyArray_Should_CreateEmptyCache()
+        {
+            // arrange
+            var topicId = "EmptyExchange";
+            var symbols = Array.Empty<SharedSpotSymbol>();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var hasCached = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(hasCached, Is.False);
+        }
+
+        [Test]
+        public void HasCached_NonExistentTopic_Should_ReturnFalse()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.HasCached(nonExistentTopic);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void HasCached_ExistingTopicWithSymbols_Should_ReturnTrue()
+        {
+            // arrange
+            var topicId = "ExchangeWithData";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(result, Is.True);
+        }
+
+        [Test]
+        public void HasCached_ExistingTopicWithNoSymbols_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeNoData";
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, Array.Empty<SharedSpotSymbol>());
+
+            // act
+            var result = ExchangeSymbolCache.HasCached(topicId);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_ByName_ExistingSymbol_Should_ReturnTrue()
+        {
+            // arrange
+            var topicId = "ExchangeSupports";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.True);
+        }
+
+        [Test]
+        public void SupportsSymbol_ByName_NonExistingSymbol_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeNoSupport";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, "LINKUSDT");
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_ByName_NonExistentTopic_Should_ReturnFalse()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(nonExistentTopic, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_ExistingSymbol_Should_ReturnTrue()
+        {
+            // arrange
+            var topicId = "ExchangeSharedSymbol";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var sharedSymbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.True);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_NonExistingSymbol_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeNoSharedSymbol";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var sharedSymbol = new SharedSymbol(TradingMode.Spot, "LINK", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_DifferentTradingMode_Should_ReturnFalse()
+        {
+            // arrange
+            var topicId = "ExchangeDifferentMode";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+            var sharedSymbol = new SharedSymbol(TradingMode.PerpetualLinear, "BTC", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(topicId, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void SupportsSymbol_BySharedSymbol_NonExistentTopic_Should_ReturnFalse()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+            var sharedSymbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act
+            var result = ExchangeSymbolCache.SupportsSymbol(nonExistentTopic, sharedSymbol);
+
+            // assert
+            Assert.That(result, Is.False);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_ExistingBaseAsset_Should_ReturnMatchingSymbols()
+        {
+            // arrange
+            var topicId = "ExchangeBaseAsset";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "BTC");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(2));
+            Assert.That(result.Any(x => x.QuoteAsset == "USDT"), Is.True);
+            Assert.That(result.Any(x => x.QuoteAsset == "EUR"), Is.True);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_CaseInsensitive_Should_ReturnMatchingSymbols()
+        {
+            // arrange
+            var topicId = "ExchangeCaseInsensitive";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "btc");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(2));
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_NonExistingBaseAsset_Should_ReturnEmptyArray()
+        {
+            // arrange
+            var topicId = "ExchangeNoBaseAsset";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "LINK");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(0));
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_NonExistentTopic_Should_ReturnEmptyArray()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(nonExistentTopic, "BTC");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.Length, Is.EqualTo(0));
+        }
+
+        [Test]
+        public void ParseSymbol_ExistingSymbol_Should_ReturnSharedSymbol()
+        {
+            // arrange
+            var topicId = "ExchangeParse";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(topicId, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.Not.Null);
+            Assert.That(result.BaseAsset, Is.EqualTo("BTC"));
+            Assert.That(result.QuoteAsset, Is.EqualTo("USDT"));
+            Assert.That(result.TradingMode, Is.EqualTo(TradingMode.Spot));
+            Assert.That(result.SymbolName, Is.EqualTo("BTCUSDT"));
+        }
+
+        [Test]
+        public void ParseSymbol_NonExistingSymbol_Should_ReturnNull()
+        {
+            // arrange
+            var topicId = "ExchangeNoParse";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(topicId, "LINKUSDT");
+
+            // assert
+            Assert.That(result, Is.Null);
+        }
+
+        [Test]
+        public void ParseSymbol_NullSymbolName_Should_ReturnNull()
+        {
+            // arrange
+            var topicId = "ExchangeNullSymbol";
+            var symbols = CreateTestSymbols();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(topicId, null);
+
+            // assert
+            Assert.That(result, Is.Null);
+        }
+
+        [Test]
+        public void ParseSymbol_NonExistentTopic_Should_ReturnNull()
+        {
+            // arrange
+            var nonExistentTopic = "NonExistent_" + Guid.NewGuid();
+
+            // act
+            var result = ExchangeSymbolCache.ParseSymbol(nonExistentTopic, "BTCUSDT");
+
+            // assert
+            Assert.That(result, Is.Null);
+        }
+
+        [Test]
+        public void MultipleTopics_Should_MaintainSeparateData()
+        {
+            // arrange
+            var topic1 = "Exchange1";
+            var topic2 = "Exchange2";
+            var symbols1 = new[]
+            {
+                new SharedSpotSymbol("BTC", "USDT", "BTCUSDT", true, TradingMode.Spot)
+            };
+            var symbols2 = new[]
+            {
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot)
+            };
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topic1, symbols1);
+            ExchangeSymbolCache.UpdateSymbolInfo(topic2, symbols2);
+
+            // assert
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic1, "BTCUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic1, "ETHUSDT"), Is.False);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic2, "ETHUSDT"), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topic2, "BTCUSDT"), Is.False);
+        }
+
+        [Test]
+        public void UpdateSymbolInfo_WithDifferentTradingModes_Should_StoreCorrectly()
+        {
+            // arrange
+            var topicId = "ExchangeMixedModes";
+            var spotSymbols = CreateTestSymbols();
+            var futuresSymbols = CreateFuturesSymbols();
+            var allSymbols = spotSymbols.Concat(futuresSymbols).ToArray();
+
+            // act
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, allSymbols);
+
+            // assert
+            var spotSymbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var futuresSymbol = new SharedSymbol(TradingMode.PerpetualLinear, "BTC", "USDT");
+
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, spotSymbol), Is.True);
+            Assert.That(ExchangeSymbolCache.SupportsSymbol(topicId, futuresSymbol), Is.True);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_Should_ReturnAllTradingModes()
+        {
+            // arrange
+            var topicId = "ExchangeAllModes";
+            var spotSymbols = CreateTestSymbols();
+            var futuresSymbols = CreateFuturesSymbols();
+            var allSymbols = spotSymbols.Concat(futuresSymbols).ToArray();
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, allSymbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "BTC");
+
+            // assert
+            Assert.That(result.Length, Is.GreaterThanOrEqualTo(2));
+            Assert.That(result.Any(x => x.TradingMode == TradingMode.Spot), Is.True);
+            Assert.That(result.Any(x => x.TradingMode == TradingMode.PerpetualLinear), Is.True);
+        }
+
+        [Test]
+        public void GetSymbolsForBaseAsset_WithMultipleMatchingSymbols_Should_ReturnAll()
+        {
+            // arrange
+            var topicId = "ExchangeMultiple";
+            var symbols = new[]
+            {
+                new SharedSpotSymbol("ETH", "USDT", "ETHUSDT", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "BTC", "ETHBTC", true, TradingMode.Spot),
+                new SharedSpotSymbol("ETH", "EUR", "ETHEUR", true, TradingMode.Spot)
+            };
+            ExchangeSymbolCache.UpdateSymbolInfo(topicId, symbols);
+
+            // act
+            var result = ExchangeSymbolCache.GetSymbolsForBaseAsset(topicId, "ETH");
+
+            // assert
+            Assert.That(result.Length, Is.EqualTo(3));
+            Assert.That(result.All(x => x.BaseAsset == "ETH"), Is.True);
+        }
+
+    }
+}

CryptoExchange.Net.UnitTests/OptionsTests.cs

@@ -1,15 +1,8 @@
 using CryptoExchange.Net.Authentication;
-using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.UnitTests.TestImplementations;
-using Microsoft.Extensions.Logging;
 using NUnit.Framework;
-using NUnit.Framework.Legacy;
 using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace CryptoExchange.Net.UnitTests
 {

CryptoExchange.Net.UnitTests/RestClientTests.cs

@@ -9,7 +9,6 @@ using System.Threading.Tasks;
 using System.Threading;
 using NUnit.Framework.Legacy;
 using CryptoExchange.Net.RateLimiting;
-using System.Net;
 using CryptoExchange.Net.RateLimiting.Guards;
 using CryptoExchange.Net.RateLimiting.Filters;
 using CryptoExchange.Net.RateLimiting.Interfaces;
@@ -82,6 +81,25 @@ namespace CryptoExchange.Net.UnitTests
             Assert.That(result.Error is ServerError);
         }
 
+
+        [TestCase]
+        public async Task ReceivingErrorAndNotParsingErrorAndInvalidJson_Should_ContainData()
+        {
+            // arrange
+            var client = new TestRestClient();
+            var response = "<html>...</html>";
+            client.SetErrorWithResponse(response, System.Net.HttpStatusCode.BadRequest);
+
+            // act
+            var result = await client.Api1.Request<TestObject>();
+
+            // assert
+            ClassicAssert.IsFalse(result.Success);
+            Assert.That(result.Error != null);
+            Assert.That(result.Error is DeserializeError);
+            Assert.That(result.Error.Message.Contains(response));
+        }
+
         [TestCase]
         public async Task ReceivingErrorAndParsingError_Should_ResultInParsedError()
         {

CryptoExchange.Net.UnitTests/SharedQuantityTests.cs

@@ -0,0 +1,633 @@
+using CryptoExchange.Net.SharedApis;
+using NUnit.Framework;
+using System;
+
+namespace CryptoExchange.Net.UnitTests
+{
+    [TestFixture()]
+    public class SharedQuantityTests
+    {
+        [Test]
+        public void SharedQuantityReference_IsZero_AllNull_Should_ReturnTrue()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(null, null, null);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_AllZero_Should_ReturnTrue()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(0, 0, 0);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_BaseAssetSet_Should_ReturnFalse()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(1.5m, null, null);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_QuoteAssetSet_Should_ReturnFalse()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(null, 100m, null);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_ContractsSet_Should_ReturnFalse()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(null, null, 10m);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedQuantityReference_IsZero_NegativeValue_Should_ReturnTrue()
+        {
+            // arrange
+            var quantity = new SharedOrderQuantity(-1m, 0, 0);
+
+            // act & assert
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_DefaultConstructor_Should_SetAllPropertiesToNull()
+        {
+            // arrange & act
+            var quantity = new SharedQuantity();
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_Base_Should_SetBaseAssetQuantity()
+        {
+            // arrange
+            var expectedQuantity = 1.5m;
+
+            // act
+            var quantity = SharedQuantity.Base(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedQuantity));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_Base_WithZero_Should_SetZeroQuantity()
+        {
+            // arrange & act
+            var quantity = SharedQuantity.Base(0m);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(0m));
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_Base_WithLargeValue_Should_SetCorrectly()
+        {
+            // arrange
+            var largeValue = 999999.123456789m;
+
+            // act
+            var quantity = SharedQuantity.Base(largeValue);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(largeValue));
+        }
+
+        [Test]
+        public void SharedQuantity_Quote_Should_SetQuoteAssetQuantity()
+        {
+            // arrange
+            var expectedQuantity = 100m;
+
+            // act
+            var quantity = SharedQuantity.Quote(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(expectedQuantity));
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_Quote_WithDecimal_Should_PreserveDecimals()
+        {
+            // arrange
+            var expectedQuantity = 50.123456m;
+
+            // act
+            var quantity = SharedQuantity.Quote(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(expectedQuantity));
+        }
+
+        [Test]
+        public void SharedQuantity_Contracts_Should_SetContractQuantity()
+        {
+            // arrange
+            var expectedQuantity = 10m;
+
+            // act
+            var quantity = SharedQuantity.Contracts(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(expectedQuantity));
+        }
+
+        [Test]
+        public void SharedQuantity_Contracts_WithFractionalValue_Should_SetCorrectly()
+        {
+            // arrange
+            var expectedQuantity = 2.5m;
+
+            // act
+            var quantity = SharedQuantity.Contracts(expectedQuantity);
+
+            // assert
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(expectedQuantity));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_Should_CalculateCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 50m;
+            var expectedBase = 2m; // 100 / 50 = 2
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedBase));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 3m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price, decimalPlaces);
+
+            // assert
+            // 100 / 3 = 33.333... should round to 33.33
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(33.33m));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 7m;
+            var lotSize = 0.1m;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price, 8, lotSize);
+
+            // assert
+            // 100 / 7 = 14.285714... should adjust to nearest 0.1 = 14.3
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(14.3m));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithHighPrecision_Should_HandleCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var price = 0.00001m;
+            var decimalPlaces = 8;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price, decimalPlaces);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_Should_CalculateCorrectly()
+        {
+            // arrange
+            var baseQuantity = 2m;
+            var price = 50m;
+            var expectedQuote = 100m; // 2 * 50 = 100
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedQuote));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var baseQuantity = 1.234567m;
+            var price = 10m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price, decimalPlaces);
+
+            // assert
+            // 1.234567 * 10 = 12.34567 should round to 12.35
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(12.35m));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var baseQuantity = 3.456m;
+            var price = 10m;
+            var lotSize = 1m;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price, 8, lotSize);
+
+            // assert
+            // 3.456 * 10 = 34.56 should adjust to nearest 1 = 35
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(35m));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithSmallValues_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseQuantity = 0.001m;
+            var price = 0.1m;
+            var decimalPlaces = 8;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price, decimalPlaces);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(0.0001m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_Should_CalculateCorrectly()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 10m;
+            var expectedContracts = 10m; // 100 / 10 = 10
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedContracts));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 3m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize, decimalPlaces);
+
+            // assert
+            // 100 / 3 = 33.333... should round to 33.33
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(33.33m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 7m;
+            var lotSize = 0.5m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize, 8, lotSize);
+
+            // assert
+            // 100 / 7 = 14.285714... should adjust to nearest 0.5 = 14.5
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(14.5m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithFractionalContract_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseQuantity = 1m;
+            var contractSize = 0.1m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(10m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_Should_CalculateCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var contractSize = 10m;
+            var price = 50m;
+            var expectedContracts = 2m; // 1000 / 50 / 10 = 2
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(expectedContracts));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithCustomDecimals_Should_RoundCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var contractSize = 3m;
+            var price = 7m;
+            var decimalPlaces = 2;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price, decimalPlaces);
+
+            // assert
+            // 100 / 7 / 3 = 4.761904... should round to 4.76
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(4.76m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithLotSize_Should_AdjustToLotSize()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var contractSize = 7m;
+            var price = 13m;
+            var lotSize = 0.5m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price, 8, lotSize);
+
+            // assert
+            // 1000 / 13 / 7 = 10.989... should adjust to nearest 0.5 = 11.0
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(11.0m));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithComplexValues_Should_CalculateCorrectly()
+        {
+            // arrange
+            var quoteQuantity = 5000m;
+            var contractSize = 0.01m;
+            var price = 25000m;
+            var decimalPlaces = 4;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price, decimalPlaces);
+
+            // assert
+            // 5000 / 25000 / 0.01 = 20
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(20m));
+        }
+
+        [Test]
+        public void SharedOrderQuantity_DefaultConstructor_Should_SetAllPropertiesToNull()
+        {
+            // arrange & act
+            var quantity = new SharedOrderQuantity();
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetBaseAsset()
+        {
+            // arrange
+            var baseAsset = 5m;
+
+            // act
+            var quantity = new SharedOrderQuantity(baseAssetQuantity: baseAsset);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetQuoteAsset()
+        {
+            // arrange
+            var quoteAsset = 100m;
+
+            // act
+            var quantity = new SharedOrderQuantity(quoteAssetQuantity: quoteAsset);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetContracts()
+        {
+            // arrange
+            var contracts = 10m;
+
+            // act
+            var quantity = new SharedOrderQuantity(contractQuantity: contracts);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(contracts));
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_Should_SetAllValues()
+        {
+            // arrange
+            var baseAsset = 1m;
+            var quoteAsset = 50m;
+            var contracts = 5m;
+
+            // act
+            var quantity = new SharedOrderQuantity(baseAsset, quoteAsset, contracts);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(quantity.QuantityInQuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(quantity.QuantityInContracts, Is.EqualTo(contracts));
+            Assert.That(quantity.IsZero, Is.False);
+        }
+
+        [Test]
+        public void SharedOrderQuantity_ParameterizedConstructor_WithNullValues_Should_HandleCorrectly()
+        {
+            // arrange & act
+            var quantity = new SharedOrderQuantity(null, null, null);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Null);
+            Assert.That(quantity.QuantityInQuoteAsset, Is.Null);
+            Assert.That(quantity.QuantityInContracts, Is.Null);
+            Assert.That(quantity.IsZero, Is.True);
+        }
+
+        [Test]
+        public void SharedQuantity_RecordEquality_SameValues_Should_BeEqual()
+        {
+            // arrange
+            var quantity1 = SharedQuantity.Base(10m);
+            var quantity2 = SharedQuantity.Base(10m);
+
+            // act & assert
+            Assert.That(quantity1, Is.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedQuantity_RecordEquality_DifferentValues_Should_NotBeEqual()
+        {
+            // arrange
+            var quantity1 = SharedQuantity.Base(10m);
+            var quantity2 = SharedQuantity.Base(20m);
+
+            // act & assert
+            Assert.That(quantity1, Is.Not.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedQuantity_RecordEquality_DifferentTypes_Should_NotBeEqual()
+        {
+            // arrange
+            var quantity1 = SharedQuantity.Base(10m);
+            var quantity2 = SharedQuantity.Quote(10m);
+
+            // act & assert
+            Assert.That(quantity1, Is.Not.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedOrderQuantity_RecordEquality_SameValues_Should_BeEqual()
+        {
+            // arrange
+            var quantity1 = new SharedOrderQuantity(5m, 100m, 2m);
+            var quantity2 = new SharedOrderQuantity(5m, 100m, 2m);
+
+            // act & assert
+            Assert.That(quantity1, Is.EqualTo(quantity2));
+        }
+
+        [Test]
+        public void SharedQuantity_BaseFromQuote_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var quoteQuantity = 100m;
+            var price = 3m;
+
+            // act
+            var quantity = SharedQuantity.BaseFromQuote(quoteQuantity, price);
+
+            // assert
+            // Default decimalPlaces = 8, default lotSize = 0.00000001
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_QuoteFromBase_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var baseQuantity = 1.234567m;
+            var price = 10m;
+
+            // act
+            var quantity = SharedQuantity.QuoteFromBase(baseQuantity, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromBase_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var baseQuantity = 100m;
+            var contractSize = 3m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromBase(baseQuantity, contractSize);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+
+        [Test]
+        public void SharedQuantity_ContractsFromQuote_WithDefaultParameters_Should_UseDefaults()
+        {
+            // arrange
+            var quoteQuantity = 1000m;
+            var contractSize = 10m;
+            var price = 50m;
+
+            // act
+            var quantity = SharedQuantity.ContractsFromQuote(quoteQuantity, contractSize, price);
+
+            // assert
+            Assert.That(quantity.QuantityInBaseAsset, Is.Not.Null);
+            Assert.That(quantity.QuantityInBaseAsset, Is.GreaterThan(0));
+        }
+    }
+}

CryptoExchange.Net.UnitTests/SharedSymbolTests.cs

@@ -0,0 +1,400 @@
+using CryptoExchange.Net.SharedApis;
+using NUnit.Framework;
+using System;
+
+namespace CryptoExchange.Net.UnitTests
+{
+    [TestFixture()]
+    public class SharedSymbolTests
+    {
+        [Test]
+        public void SharedSymbol_Constructor_Should_SetAllProperties()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(symbol.DeliverTime, Is.Null);
+            Assert.That(symbol.SymbolName, Is.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_Constructor_WithDeliveryTime_Should_SetDeliveryTime()
+        {
+            // arrange
+            var tradingMode = TradingMode.DeliveryLinear;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+            var deliveryTime = new DateTime(2026, 6, 25, 0, 0, 0, DateTimeKind.Utc);
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, deliveryTime);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(symbol.DeliverTime, Is.EqualTo(deliveryTime));
+            Assert.That(symbol.SymbolName, Is.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_Constructor_WithNullDeliveryTime_Should_SetToNull()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "ETH";
+            var quoteAsset = "BTC";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, deliverTime: null);
+
+            // assert
+            Assert.That(symbol.DeliverTime, Is.Null);
+        }
+
+        [TestCase(TradingMode.Spot)]
+        [TestCase(TradingMode.PerpetualLinear)]
+        [TestCase(TradingMode.PerpetualInverse)]
+        [TestCase(TradingMode.DeliveryLinear)]
+        [TestCase(TradingMode.DeliveryInverse)]
+        public void SharedSymbol_Constructor_WithDifferentTradingModes_Should_SetCorrectly(TradingMode tradingMode)
+        {
+            // arrange
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+        }
+
+        [Test]
+        public void SharedSymbol_ConstructorWithSymbolName_Should_SetSymbolName()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+            var symbolName = "BTC-USDT";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, symbolName);
+
+            // assert
+            Assert.That(symbol.TradingMode, Is.EqualTo(tradingMode));
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+            Assert.That(symbol.SymbolName, Is.EqualTo(symbolName));
+            Assert.That(symbol.DeliverTime, Is.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_ConstructorWithSymbolName_WithCustomFormat_Should_SetCorrectly()
+        {
+            // arrange
+            var tradingMode = TradingMode.PerpetualLinear;
+            var baseAsset = "ETH";
+            var quoteAsset = "USDT";
+            var symbolName = "ETHUSDT-PERP";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, symbolName);
+
+            // assert
+            Assert.That(symbol.SymbolName, Is.EqualTo(symbolName));
+        }
+
+        [Test]
+        public void SharedSymbol_ConstructorWithSymbolName_WithEmptyString_Should_SetEmptyString()
+        {
+            // arrange
+            var tradingMode = TradingMode.Spot;
+            var baseAsset = "BTC";
+            var quoteAsset = "USDT";
+            var symbolName = "";
+
+            // act
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, symbolName);
+
+            // assert
+            Assert.That(symbol.SymbolName, Is.EqualTo(""));
+        }
+
+        [Test]
+        public void GetSymbol_WithSymbolNameSet_Should_ReturnSymbolName()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "CUSTOM-BTC-USDT");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("CUSTOM-BTC-USDT"));
+        }
+
+        [Test]
+        public void GetSymbol_WithSymbolNameNull_Should_UseFormatFunction()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}/{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTC/USDT"));
+        }
+
+        [Test]
+        public void GetSymbol_WithComplexFormatFunction_Should_ApplyCorrectly()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.PerpetualLinear, "ETH", "USDT");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => t == TradingMode.PerpetualLinear ? $"{b}{q}-PERP" : $"{b}{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("ETHUSDT-PERP"));
+        }
+
+        [Test]
+        public void GetSymbol_WithDeliveryTime_Should_PassDeliveryTimeToFormatter()
+        {
+            // arrange
+            var deliveryTime = new DateTime(2026, 6, 25);
+            var symbol = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime);
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => d.HasValue ? $"{b}{q}_{d.Value:yyyyMMdd}" : $"{b}{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTCUSDT_20260625"));
+        }
+
+        [Test]
+        public void GetSymbol_WithTradingMode_Should_PassTradingModeToFormatter()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.PerpetualInverse, "BTC", "USD");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) =>
+                {
+                    return t switch
+                    {
+                        TradingMode.Spot => $"{b}{q}",
+                        TradingMode.PerpetualLinear => $"{b}{q}-PERP",
+                        TradingMode.PerpetualInverse => $"{b}{q}I-PERP",
+                        _ => $"{b}{q}"
+                    };
+                });
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTCUSDI-PERP"));
+        }
+
+        [Test]
+        public void GetSymbol_WithEmptySymbolName_Should_UseFormatFunction()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}-{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("BTC-USDT"));
+        }
+
+        [Test]
+        public void GetSymbol_WithWhitespaceSymbolName_Should_ReturnWhitespace()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "   ");
+            var formatFunc = new Func<string, string, TradingMode, DateTime?, string>(
+                (b, q, t, d) => $"{b}-{q}");
+
+            // act
+            var result = symbol.GetSymbol(formatFunc);
+
+            // assert
+            Assert.That(result, Is.EqualTo("   "));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_SameValues_Should_BeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentBaseAsset_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "ETH", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentQuoteAsset_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "EUR");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentTradingMode_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+            var symbol2 = new SharedSymbol(TradingMode.PerpetualLinear, "BTC", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentDeliveryTime_Should_NotBeEqual()
+        {
+            // arrange
+            var deliveryTime1 = new DateTime(2026, 6, 25);
+            var deliveryTime2 = new DateTime(2026, 9, 25);
+            var symbol1 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime1);
+            var symbol2 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime2);
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_DifferentSymbolName_Should_NotBeEqual()
+        {
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "BTCUSDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "BTC-USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_OneWithSymbolNameOneWithout_Should_NotBeEqual()
+        {
+            // NOTE; although this should probably be equal it's considered not because the SymbolName property isn't equal
+            // Overridding equality to ignore SymbolName would be possible but would break the default record equality behavior and cause confusion
+
+            // arrange
+            var symbol1 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT", "BTCUSDT");
+            var symbol2 = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act & assert
+            Assert.That(symbol1, Is.Not.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_RecordEquality_WithAllPropertiesSet_Should_BeEqual()
+        {
+            // arrange
+            var deliveryTime = new DateTime(2026, 6, 25);
+            var symbol1 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime)
+            {
+                SymbolName = "BTCUSDT-0625"
+            };
+            var symbol2 = new SharedSymbol(TradingMode.DeliveryLinear, "BTC", "USDT", deliveryTime)
+            {
+                SymbolName = "BTCUSDT-0625"
+            };
+
+            // act & assert
+            Assert.That(symbol1, Is.EqualTo(symbol2));
+        }
+
+        [Test]
+        public void SharedSymbol_Properties_Should_BeSettable()
+        {
+            // arrange
+            var symbol = new SharedSymbol(TradingMode.Spot, "BTC", "USDT");
+
+            // act
+            symbol.BaseAsset = "ETH";
+            symbol.QuoteAsset = "EUR";
+            symbol.TradingMode = TradingMode.PerpetualLinear;
+            symbol.SymbolName = "CUSTOM";
+            symbol.DeliverTime = DateTime.UtcNow;
+
+            // assert
+            Assert.That(symbol.BaseAsset, Is.EqualTo("ETH"));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo("EUR"));
+            Assert.That(symbol.TradingMode, Is.EqualTo(TradingMode.PerpetualLinear));
+            Assert.That(symbol.SymbolName, Is.EqualTo("CUSTOM"));
+            Assert.That(symbol.DeliverTime, Is.Not.Null);
+        }
+
+        [Test]
+        public void SharedSymbol_WithSpecialCharactersInAssets_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseAsset = "BTC-123";
+            var quoteAsset = "USDT_2.0";
+
+            // act
+            var symbol = new SharedSymbol(TradingMode.Spot, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+        }
+
+        [Test]
+        public void SharedSymbol_WithLongAssetNames_Should_HandleCorrectly()
+        {
+            // arrange
+            var baseAsset = "VERYLONGASSETNAMEFORTESTING";
+            var quoteAsset = "ANOTHERVERYLONGASSETNAME";
+
+            // act
+            var symbol = new SharedSymbol(TradingMode.Spot, baseAsset, quoteAsset);
+
+            // assert
+            Assert.That(symbol.BaseAsset, Is.EqualTo(baseAsset));
+            Assert.That(symbol.QuoteAsset, Is.EqualTo(quoteAsset));
+        }
+    }
+}

CryptoExchange.Net.UnitTests/SocketClientTests.cs

@@ -1,231 +1,234 @@
-using System;
+//using CryptoExchange.Net.Objects;
-using System.Collections.Generic;
+//using CryptoExchange.Net.Objects.Sockets;
-using System.Text.Json;
+//using CryptoExchange.Net.Sockets;
-using System.Threading;
+//using CryptoExchange.Net.Testing.Implementations;
-using System.Threading.Tasks;
+//using CryptoExchange.Net.UnitTests.TestImplementations;
-using CryptoExchange.Net.Objects;
+//using CryptoExchange.Net.UnitTests.TestImplementations.Sockets;
-using CryptoExchange.Net.Objects.Sockets;
+//using Microsoft.Extensions.Logging;
-using CryptoExchange.Net.Sockets;
+//using Moq;
-using CryptoExchange.Net.UnitTests.TestImplementations;
+//using NUnit.Framework;
-using CryptoExchange.Net.UnitTests.TestImplementations.Sockets;
+//using NUnit.Framework.Legacy;
-using Microsoft.Extensions.Logging;
+//using System;
-using Moq;
+//using System.Collections.Generic;
-using NUnit.Framework;
+//using System.Net.Sockets;
-using NUnit.Framework.Legacy;
+//using System.Text.Json;
+//using System.Threading;
+//using System.Threading.Tasks;
 
-namespace CryptoExchange.Net.UnitTests
+//namespace CryptoExchange.Net.UnitTests
-{
+//{
-    [TestFixture]
+//    [TestFixture]
-    public class SocketClientTests
+//    public class SocketClientTests
-    {
+//    {
-        [TestCase]
+//        [TestCase]
-        public void SettingOptions_Should_ResultInOptionsSet()
+//        public void SettingOptions_Should_ResultInOptionsSet()
-        {
+//        {
-            //arrange
+//            //arrange
-            //act
+//            //act
-            var client = new TestSocketClient(options =>
+//            var client = new TestSocketClient(options =>
-            {
+//            {
-                options.SubOptions.ApiCredentials = new Authentication.ApiCredentials("1", "2");
+//                options.SubOptions.ApiCredentials = new Authentication.ApiCredentials("1", "2");
-                options.SubOptions.MaxSocketConnections = 1;
+//                options.SubOptions.MaxSocketConnections = 1;
-            });
+//            });
 
-            //assert
+//            //assert
-            ClassicAssert.NotNull(client.SubClient.ApiOptions.ApiCredentials);
+//            ClassicAssert.NotNull(client.SubClient.ApiOptions.ApiCredentials);
-            Assert.That(1 == client.SubClient.ApiOptions.MaxSocketConnections);
+//            Assert.That(1 == client.SubClient.ApiOptions.MaxSocketConnections);
-        }
+//        }
 
-        [TestCase(true)]
+//        [TestCase(true)]
-        [TestCase(false)]
+//        [TestCase(false)]
-        public void ConnectSocket_Should_ReturnConnectionResult(bool canConnect)
+//        public void ConnectSocket_Should_ReturnConnectionResult(bool canConnect)
-        {
+//        {
-            //arrange
+//            //arrange
-            var client = new TestSocketClient();
+//            var client = new TestSocketClient();
-            var socket = client.CreateSocket();
+//            var socket = client.CreateSocket();
-            socket.CanConnect = canConnect;
+//            socket.CanConnect = canConnect;
 
-            //act
+//            //act
-            var connectResult = client.SubClient.ConnectSocketSub(new SocketConnection(new TraceLogger(), client.SubClient, socket, null));
+//            var connectResult = client.SubClient.ConnectSocketSub(
+//                new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, ""));
 
-            //assert
+//            //assert
-            Assert.That(connectResult.Success == canConnect);
+//            Assert.That(connectResult.Success == canConnect);
-        }
+//        }
 
-        [TestCase]
+//        [TestCase]
-        public void SocketMessages_Should_BeProcessedInDataHandlers()
+//        public void SocketMessages_Should_BeProcessedInDataHandlers()
-        {
+//        {
-            // arrange
+//            // arrange
-            var client = new TestSocketClient(options => {
+//            var client = new TestSocketClient(options => {
-                options.ReconnectInterval = TimeSpan.Zero;
+//                options.ReconnectInterval = TimeSpan.Zero;
-            });
+//            });
-            var socket = client.CreateSocket();
+//            var socket = client.CreateSocket();
-            socket.CanConnect = true;
+//            socket.CanConnect = true;
-            var sub = new SocketConnection(new TraceLogger(), client.SubClient, socket, null);
+//            var sub = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
-            var rstEvent = new ManualResetEvent(false);
+//            var rstEvent = new ManualResetEvent(false);
-            Dictionary<string, string> result = null;
+//            Dictionary<string, string> result = null;
 
-            client.SubClient.ConnectSocketSub(sub);
+//            client.SubClient.ConnectSocketSub(sub);
 
-            var subObj = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) =>
+//            var subObj = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) =>
-            {
+//            {
-                result = messageEvent.Data;
+//                result = messageEvent.Data;
-                rstEvent.Set();
+//                rstEvent.Set();
-            });
+//            });
-            sub.AddSubscription(subObj);
+//            sub.AddSubscription(subObj);
 
-            // act
+//            // act
-            socket.InvokeMessage("{\"property\": \"123\", \"action\": \"update\", \"topic\": \"topic\"}");
+//            socket.InvokeMessage("{\"property\": \"123\", \"action\": \"update\", \"topic\": \"topic\"}");
-            rstEvent.WaitOne(1000);
+//            rstEvent.WaitOne(1000);
 
-            // assert
+//            // assert
-            Assert.That(result["property"] == "123");
+//            Assert.That(result["property"] == "123");
-        }
+//        }
 
-        [TestCase(false)]
+//        [TestCase(false)]
-        [TestCase(true)]
+//        [TestCase(true)]
-        public void SocketMessages_Should_ContainOriginalDataIfEnabled(bool enabled)
+//        public void SocketMessages_Should_ContainOriginalDataIfEnabled(bool enabled)
-        {
+//        {
-            // arrange
+//            // arrange
-            var client = new TestSocketClient(options =>
+//            var client = new TestSocketClient(options =>
-            {
+//            {
-                options.ReconnectInterval = TimeSpan.Zero;
+//                options.ReconnectInterval = TimeSpan.Zero;
-                options.SubOptions.OutputOriginalData = enabled;
+//                options.SubOptions.OutputOriginalData = enabled;
-            });
+//            });
-            var socket = client.CreateSocket();
+//            var socket = client.CreateSocket();
-            socket.CanConnect = true;
+//            socket.CanConnect = true;
-            var sub = new SocketConnection(new TraceLogger(), client.SubClient, socket, null);
+//            var sub = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
-            var rstEvent = new ManualResetEvent(false);
+//            var rstEvent = new ManualResetEvent(false);
-            string original = null;
+//            string original = null;
 
-            client.SubClient.ConnectSocketSub(sub);
+//            client.SubClient.ConnectSocketSub(sub);
-            var subObj = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) =>
+//            var subObj = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) =>
-            {
+//            {
-                original = messageEvent.OriginalData;
+//                original = messageEvent.OriginalData;
-                rstEvent.Set();
+//                rstEvent.Set();
-            });
+//            });
-            sub.AddSubscription(subObj);
+//            sub.AddSubscription(subObj);
-            var msgToSend = JsonSerializer.Serialize(new { topic = "topic", action = "update", property = "123" });
+//            var msgToSend = JsonSerializer.Serialize(new { topic = "topic", action = "update", property = "123" });
 
-            // act
+//            // act
-            socket.InvokeMessage(msgToSend);
+//            socket.InvokeMessage(msgToSend);
-            rstEvent.WaitOne(1000);
+//            rstEvent.WaitOne(1000);
 
-            // assert
+//            // assert
-            Assert.That(original == (enabled ? msgToSend : null));
+//            Assert.That(original == (enabled ? msgToSend : null));
-        }
+//        }
 
-        [TestCase()]
+//        [TestCase()]
-        public void UnsubscribingStream_Should_CloseTheSocket()
+//        public void UnsubscribingStream_Should_CloseTheSocket()
-        {
+//        {
-            // arrange
+//            // arrange
-            var client = new TestSocketClient(options =>
+//            var client = new TestSocketClient(options =>
-            {
+//            {
-                options.ReconnectInterval = TimeSpan.Zero;
+//                options.ReconnectInterval = TimeSpan.Zero;
-            });
+//            });
-            var socket = client.CreateSocket();
+//            var socket = client.CreateSocket();
-            socket.CanConnect = true;
+//            socket.CanConnect = true;
-            var sub = new SocketConnection(new TraceLogger(), client.SubClient, socket, null);
+//            var sub = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
-            client.SubClient.ConnectSocketSub(sub);
+//            client.SubClient.ConnectSocketSub(sub);
 
-            var subscription = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
+//            var subscription = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
-            var ups = new UpdateSubscription(sub, subscription);
+//            var ups = new UpdateSubscription(sub, subscription);
-            sub.AddSubscription(subscription);
+//            sub.AddSubscription(subscription);
 
-            // act
+//            // act
-            client.UnsubscribeAsync(ups).Wait();
+//            client.UnsubscribeAsync(ups).Wait();
 
-            // assert
+//            // assert
-            Assert.That(socket.Connected == false);
+//            Assert.That(socket.Connected == false);
-        }
+//        }
 
-        [TestCase()]
+//        [TestCase()]
-        public void UnsubscribingAll_Should_CloseAllSockets()
+//        public void UnsubscribingAll_Should_CloseAllSockets()
-        {
+//        {
-            // arrange
+//            // arrange
-            var client = new TestSocketClient(options => { options.ReconnectInterval = TimeSpan.Zero; });
+//            var client = new TestSocketClient(options => { options.ReconnectInterval = TimeSpan.Zero; });
-            var socket1 = client.CreateSocket();
+//            var socket1 = client.CreateSocket();
-            var socket2 = client.CreateSocket();
+//            var socket2 = client.CreateSocket();
-            socket1.CanConnect = true;
+//            socket1.CanConnect = true;
-            socket2.CanConnect = true;
+//            socket2.CanConnect = true;
-            var sub1 = new SocketConnection(new TraceLogger(), client.SubClient, socket1, null);
+//            var sub1 = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket1), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
-            var sub2 = new SocketConnection(new TraceLogger(), client.SubClient, socket2, null);
+//            var sub2 = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket2), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
-            client.SubClient.ConnectSocketSub(sub1);
+//            client.SubClient.ConnectSocketSub(sub1);
-            client.SubClient.ConnectSocketSub(sub2);
+//            client.SubClient.ConnectSocketSub(sub2);
-            var subscription1 = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
+//            var subscription1 = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
-            var subscription2 = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
+//            var subscription2 = new TestSubscription<Dictionary<string, string>>(Mock.Of<ILogger>(), (messageEvent) => { });
 
-            sub1.AddSubscription(subscription1);
+//            sub1.AddSubscription(subscription1);
-            sub2.AddSubscription(subscription2);
+//            sub2.AddSubscription(subscription2);
-            var ups1 = new UpdateSubscription(sub1, subscription1);
+//            var ups1 = new UpdateSubscription(sub1, subscription1);
-            var ups2 = new UpdateSubscription(sub2, subscription2);
+//            var ups2 = new UpdateSubscription(sub2, subscription2);
 
-            // act
+//            // act
-            client.UnsubscribeAllAsync().Wait();
+//            client.UnsubscribeAllAsync().Wait();
 
-            // assert
+//            // assert
-            Assert.That(socket1.Connected == false);
+//            Assert.That(socket1.Connected == false);
-            Assert.That(socket2.Connected == false);
+//            Assert.That(socket2.Connected == false);
-        }
+//        }
 
-        [TestCase()]
+//        [TestCase()]
-        public void FailingToConnectSocket_Should_ReturnError()
+//        public void FailingToConnectSocket_Should_ReturnError()
-        {
+//        {
-            // arrange
+//            // arrange
-            var client = new TestSocketClient(options => { options.ReconnectInterval = TimeSpan.Zero; });
+//            var client = new TestSocketClient(options => { options.ReconnectInterval = TimeSpan.Zero; });
-            var socket = client.CreateSocket();
+//            var socket = client.CreateSocket();
-            socket.CanConnect = false;
+//            socket.CanConnect = false;
-            var sub1 = new SocketConnection(new TraceLogger(), client.SubClient, socket, null);
+//            var sub1 = new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, "");
 
-            // act
+//            // act
-            var connectResult = client.SubClient.ConnectSocketSub(sub1);
+//            var connectResult = client.SubClient.ConnectSocketSub(sub1);
 
-            // assert
+//            // assert
-            ClassicAssert.IsFalse(connectResult.Success);
+//            ClassicAssert.IsFalse(connectResult.Success);
-        }
+//        }
 
-        [TestCase()]
+//        [TestCase()]
-        public async Task ErrorResponse_ShouldNot_ConfirmSubscription()
+//        public async Task ErrorResponse_ShouldNot_ConfirmSubscription()
-        {
+//        {
-            // arrange
+//            // arrange
-            var channel = "trade_btcusd";
+//            var channel = "trade_btcusd";
-            var client = new TestSocketClient(opt =>
+//            var client = new TestSocketClient(opt =>
-            {
+//            {
-                opt.OutputOriginalData = true;
+//                opt.OutputOriginalData = true;
-                opt.SocketSubscriptionsCombineTarget = 1;
+//                opt.SocketSubscriptionsCombineTarget = 1;
-            });
+//            });
-            var socket = client.CreateSocket();
+//            var socket = client.CreateSocket();
-            socket.CanConnect = true;
+//            socket.CanConnect = true;
-            client.SubClient.ConnectSocketSub(new SocketConnection(new TraceLogger(), client.SubClient, socket, "https://test.test"));
+//            client.SubClient.ConnectSocketSub(new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, ""));
 
-            // act
+//            // act
-            var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => {}, ct: default);
+//            var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => {}, ct: default);
-            socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "error" }));
+//            socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "error" }));
-            await sub;
+//            await sub;
 
-            // assert
+//            // assert
-            ClassicAssert.IsFalse(client.SubClient.TestSubscription.Confirmed);
+//            ClassicAssert.IsTrue(client.SubClient.TestSubscription.Status != SubscriptionStatus.Subscribed);
-        }
+//        }
 
-        [TestCase()]
+//        [TestCase()]
-        public async Task SuccessResponse_Should_ConfirmSubscription()
+//        public async Task SuccessResponse_Should_ConfirmSubscription()
-        {
+//        {
-            // arrange
+//            // arrange
-            var channel = "trade_btcusd";
+//            var channel = "trade_btcusd";
-            var client = new TestSocketClient(opt =>
+//            var client = new TestSocketClient(opt =>
-            {
+//            {
-                opt.OutputOriginalData = true;
+//                opt.OutputOriginalData = true;
-                opt.SocketSubscriptionsCombineTarget = 1;
+//                opt.SocketSubscriptionsCombineTarget = 1;
-            });
+//            });
-            var socket = client.CreateSocket();
+//            var socket = client.CreateSocket();
-            socket.CanConnect = true;
+//            socket.CanConnect = true;
-            client.SubClient.ConnectSocketSub(new SocketConnection(new TraceLogger(), client.SubClient, socket, "https://test.test"));
+//            client.SubClient.ConnectSocketSub(new SocketConnection(new TraceLogger(), new TestWebsocketFactory(socket), new WebSocketParameters(new Uri("https://localhost/"), ReconnectPolicy.Disabled), client.SubClient, ""));
 
-            // act
+//            // act
-            var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => {}, ct: default);
+//            var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => {}, ct: default);
-            socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "confirmed" }));
+//            socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "confirmed" }));
-            await sub;
+//            await sub;
 
-            // assert
+//            // assert
-            Assert.That(client.SubClient.TestSubscription.Confirmed);
+//            Assert.That(client.SubClient.TestSubscription.Status == SubscriptionStatus.Subscribed);
-        }
+//        }
-    }
+//    }
-}
+//}

CryptoExchange.Net.UnitTests/SystemTextJsonConverterTests.cs

@@ -4,9 +4,7 @@ using System.Text.Json;
 using NUnit.Framework;
 using System;
 using System.Text.Json.Serialization;
-using NUnit.Framework.Legacy;
 using CryptoExchange.Net.Converters;
-using CryptoExchange.Net.Testing.Comparers;
 using CryptoExchange.Net.SharedApis;
 
 namespace CryptoExchange.Net.UnitTests

CryptoExchange.Net.UnitTests/TestImplementations/Sockets/TestChannelQuery.cs

@@ -1,50 +0,0 @@
-using CryptoExchange.Net.Objects;
-using CryptoExchange.Net.Objects.Errors;
-using CryptoExchange.Net.Objects.Sockets;
-using CryptoExchange.Net.Sockets;
-using System;
-using System.Collections.Generic;
-using System.Text.Json.Serialization;
-
-namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
-{
-    internal class SubResponse
-    {
-
-        [JsonPropertyName("action")]
-        public string Action { get; set; } = null!;
-
-        [JsonPropertyName("channel")]
-        public string Channel { get; set; } = null!;
-
-        [JsonPropertyName("status")]
-        public string Status { get; set; } = null!;
-    }
-
-    internal class UnsubResponse
-    {
-        [JsonPropertyName("action")]
-        public string Action { get; set; } = null!;
-
-        [JsonPropertyName("status")]
-        public string Status { get; set; } = null!;
-    }
-
-    internal class TestChannelQuery : Query<SubResponse>
-    {
-        public TestChannelQuery(string channel, string request, bool authenticated, int weight = 1) : base(request, authenticated, weight)
-        {
-            MessageMatcher = MessageMatcher.Create<SubResponse>(request + "-" + channel, HandleMessage);
-        }
-
-        public CallResult<SubResponse> HandleMessage(SocketConnection connection, DataEvent<SubResponse> message)
-        {
-            if (!message.Data.Status.Equals("confirmed", StringComparison.OrdinalIgnoreCase))
-            {
-                return new CallResult<SubResponse>(new ServerError(ErrorInfo.Unknown with { Message = message.Data.Status }));
-            }
-
-            return message.ToCallResult();
-        }
-    }
-}

CryptoExchange.Net.UnitTests/TestImplementations/Sockets/TestQuery.cs

@@ -1,17 +0,0 @@
-using CryptoExchange.Net.Sockets;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
-{
-    internal class TestQuery : Query<object>
-    {
-        public TestQuery(string identifier, object request, bool authenticated, int weight = 1) : base(request, authenticated, weight)
-        {
-            MessageMatcher = MessageMatcher.Create<object>(identifier);
-        }
-    }
-}

CryptoExchange.Net.UnitTests/TestImplementations/Sockets/TestSubscription.cs

@@ -1,34 +0,0 @@
-using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Objects;
-using CryptoExchange.Net.Objects.Sockets;
-using CryptoExchange.Net.Sockets;
-using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
-{
-    internal class TestSubscription<T> : Subscription<object, object>
-    {
-        private readonly Action<DataEvent<T>> _handler;
-
-        public TestSubscription(ILogger logger, Action<DataEvent<T>> handler) : base(logger, false)
-        {
-            _handler = handler;
-
-            MessageMatcher = MessageMatcher.Create<T>("update-topic", DoHandleMessage);
-        }
-
-        public CallResult DoHandleMessage(SocketConnection connection, DataEvent<T> message)
-        {
-            _handler.Invoke(message);
-            return new CallResult(null);
-        }
-
-        protected override Query GetSubQuery(SocketConnection connection) => new TestQuery("sub", new object(), false, 1);
-        protected override Query GetUnsubQuery(SocketConnection connection) => new TestQuery("unsub", new object(), false, 1);
-    }
-}

CryptoExchange.Net.UnitTests/TestImplementations/Sockets/TestSubscriptionWithResponseCheck.cs

@@ -1,34 +0,0 @@
-using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Objects;
-using CryptoExchange.Net.Objects.Sockets;
-using CryptoExchange.Net.Sockets;
-using Microsoft.Extensions.Logging;
-using Moq;
-using System;
-using System.Collections.Generic;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
-{
-    internal class TestSubscriptionWithResponseCheck<T> : Subscription<SubResponse, UnsubResponse>
-    {
-        private readonly Action<DataEvent<T>> _handler;
-        private readonly string _channel;
-
-        public TestSubscriptionWithResponseCheck(string channel, Action<DataEvent<T>> handler) : base(Mock.Of<ILogger>(), false)
-        {
-            MessageMatcher = MessageMatcher.Create<T>(channel, DoHandleMessage);
-            _handler = handler;
-            _channel = channel;
-        }
-
-        public CallResult DoHandleMessage(SocketConnection connection, DataEvent<T> message)
-        {
-            _handler.Invoke(message);
-            return new CallResult(null);
-        }
-
-        protected override Query GetSubQuery(SocketConnection connection) => new TestChannelQuery(_channel, "subscribe", false, 1);
-        protected override Query GetUnsubQuery(SocketConnection connection) => new TestChannelQuery(_channel, "unsubscribe", false, 1);
-    }
-}

CryptoExchange.Net.UnitTests/TestImplementations/TestBaseClient.cs

@@ -1,19 +1,17 @@
 using System;
-using System.Collections.Generic;
 using System.IO;
-using System.Net.Http;
 using System.Text;
-using System.Text.Json.Serialization;
+using System.Text.Json;
 using System.Threading.Tasks;
 using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Clients;
+using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
 using CryptoExchange.Net.Converters.SystemTextJson;
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.Objects.Errors;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.SharedApis;
-using CryptoExchange.Net.UnitTests.TestImplementations;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
 
@@ -46,27 +44,19 @@ namespace CryptoExchange.Net.UnitTests
 
     public class TestSubClient : RestApiClient
     {
+        protected override IRestMessageHandler MessageHandler => throw new NotImplementedException();
+
         public TestSubClient(RestExchangeOptions<TestEnvironment> options, RestApiOptions apiOptions) : base(new TraceLogger(), null, "https://localhost:123", options, apiOptions)
         {
         }
 
         public CallResult<T> Deserialize<T>(string data)
         {
-            var stream = new MemoryStream(Encoding.UTF8.GetBytes(data));
+            return new CallResult<T>(JsonSerializer.Deserialize<T>(data));
-            var accessor = CreateAccessor();
-            var valid = accessor.Read(stream, true).Result;
-            if (!valid)
-                return new CallResult<T>(new ServerError(ErrorInfo.Unknown with { Message = data }));
-            
-            var deserializeResult = accessor.Deserialize<T>();
-            return deserializeResult;
         }
 
         /// <inheritdoc />
         public override string FormatSymbol(string baseAsset, string quoteAsset, TradingMode futuresType, DateTime? deliverDate = null) => $"{baseAsset.ToUpperInvariant()}{quoteAsset.ToUpperInvariant()}";
-        public override TimeSpan? GetTimeOffset() => null;
-        public override TimeSyncInfo GetTimeSyncInfo() => null;
-        protected override IStreamMessageAccessor CreateAccessor() => new SystemTextJsonStreamMessageAccessor(new System.Text.Json.JsonSerializerOptions());
         protected override IMessageSerializer CreateSerializer() => new SystemTextJsonMessageSerializer(new System.Text.Json.JsonSerializerOptions());
         protected override AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials) => throw new NotImplementedException();
         protected override Task<WebCallResult<DateTime>> GetServerTimestampAsync() => throw new NotImplementedException();
@@ -74,6 +64,8 @@ namespace CryptoExchange.Net.UnitTests
 
     public class TestAuthProvider : AuthenticationProvider
     {
+        public override ApiCredentialsType[] SupportedCredentialTypes => [ApiCredentialsType.Hmac];
+
         public TestAuthProvider(ApiCredentials credentials) : base(credentials)
         {
         }
@@ -85,4 +77,14 @@ namespace CryptoExchange.Net.UnitTests
         public string GetKey() => _credentials.Key;
         public string GetSecret() => _credentials.Secret;
     }
+
+    public class TestEnvironment : TradeEnvironment
+    {
+        public string TestAddress { get; }
+
+        public TestEnvironment(string name, string url) : base(name)
+        {
+            TestAddress = url;
+        }
+    }
 }

CryptoExchange.Net.UnitTests/TestImplementations/TestRestClient.cs

@@ -13,12 +13,13 @@ using CryptoExchange.Net.Authentication;
 using System.Collections.Generic;
 using Microsoft.Extensions.Logging;
 using CryptoExchange.Net.Clients;
-using CryptoExchange.Net.SharedApis;
 using Microsoft.Extensions.Options;
 using System.Linq;
 using CryptoExchange.Net.Converters.SystemTextJson;
 using System.Text.Json.Serialization;
-using CryptoExchange.Net.Objects.Errors;
+using System.Net.Http.Headers;
+using CryptoExchange.Net.SharedApis;
+using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
 
 namespace CryptoExchange.Net.UnitTests.TestImplementations
 {
@@ -49,19 +50,19 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
 
             var response = new Mock<IResponse>();
             response.Setup(c => c.IsSuccessStatusCode).Returns(true);
-            response.Setup(c => c.GetResponseStreamAsync()).Returns(Task.FromResult((Stream)responseStream));
+            response.Setup(c => c.GetResponseStreamAsync(It.IsAny<CancellationToken>())).Returns(Task.FromResult((Stream)responseStream));
             
-            var headers = new Dictionary<string, string[]>();
+            var headers = new HttpRequestMessage().Headers;
             var request = new Mock<IRequest>();
             request.Setup(c => c.Uri).Returns(new Uri("http://www.test.com"));
             request.Setup(c => c.GetResponseAsync(It.IsAny<CancellationToken>())).Returns(Task.FromResult(response.Object));
             request.Setup(c => c.SetContent(It.IsAny<string>(), It.IsAny<string>())).Callback(new Action<string, string>((content, type) => { request.Setup(r => r.Content).Returns(content); }));
             request.Setup(c => c.AddHeader(It.IsAny<string>(), It.IsAny<string>())).Callback<string, string>((key, val) => headers.Add(key, new string[] { val }));
-            request.Setup(c => c.GetHeaders()).Returns(() => headers.ToArray());
+            request.Setup(c => c.GetHeaders()).Returns(() => headers);
 
             var factory = Mock.Get(Api1.RequestFactory);
-            factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
+            factory.Setup(c => c.Create(It.IsAny<Version>(), It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
-                .Callback<HttpMethod, Uri, int>((method, uri, id) => 
+                .Callback<Version, HttpMethod, Uri, int>((version, method, uri, id) => 
                 { 
                     request.Setup(a => a.Uri).Returns(uri);
                     request.Setup(a => a.Method).Returns(method); 
@@ -69,8 +70,8 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
                 .Returns(request.Object);
 
             factory = Mock.Get(Api2.RequestFactory);
-            factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
+            factory.Setup(c => c.Create(It.IsAny<Version>(), It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
-                .Callback<HttpMethod, Uri, int>((method, uri, id) =>
+                .Callback<Version, HttpMethod, Uri, int>((version, method, uri, id) =>
                 {
                     request.Setup(a => a.Uri).Returns(uri);
                     request.Setup(a => a.Method).Returns(method);
@@ -86,16 +87,16 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
            
             var request = new Mock<IRequest>();
             request.Setup(c => c.Uri).Returns(new Uri("http://www.test.com"));
-            request.Setup(c => c.GetHeaders()).Returns(new KeyValuePair<string, string[]>[0]);
+            request.Setup(c => c.GetHeaders()).Returns(new HttpRequestMessage().Headers);
             request.Setup(c => c.GetResponseAsync(It.IsAny<CancellationToken>())).Throws(we);
 
             var factory = Mock.Get(Api1.RequestFactory);
-            factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
+            factory.Setup(c => c.Create(It.IsAny<Version>(), It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
                 .Returns(request.Object);
 
 
             factory = Mock.Get(Api2.RequestFactory);
-            factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
+            factory.Setup(c => c.Create(It.IsAny<Version>(), It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
                 .Returns(request.Object);
         }
 
@@ -108,29 +109,31 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
 
             var response = new Mock<IResponse>();
             response.Setup(c => c.IsSuccessStatusCode).Returns(false);
-            response.Setup(c => c.GetResponseStreamAsync()).Returns(Task.FromResult((Stream)responseStream));
+            response.Setup(c => c.GetResponseStreamAsync(It.IsAny<CancellationToken>())).Returns(Task.FromResult((Stream)responseStream));
 
             var headers = new List<KeyValuePair<string, string[]>>();
             var request = new Mock<IRequest>();
             request.Setup(c => c.Uri).Returns(new Uri("http://www.test.com"));
             request.Setup(c => c.GetResponseAsync(It.IsAny<CancellationToken>())).Returns(Task.FromResult(response.Object));
             request.Setup(c => c.AddHeader(It.IsAny<string>(), It.IsAny<string>())).Callback<string, string>((key, val) => headers.Add(new KeyValuePair<string, string[]>(key, new string[] { val })));
-            request.Setup(c => c.GetHeaders()).Returns(headers.ToArray());
+            request.Setup(c => c.GetHeaders()).Returns(new HttpRequestMessage().Headers);
 
             var factory = Mock.Get(Api1.RequestFactory);
-            factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
+            factory.Setup(c => c.Create(It.IsAny<Version>(), It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
-                .Callback<HttpMethod, Uri, int>((method, uri, id) => request.Setup(a => a.Uri).Returns(uri))
+                .Callback<Version, HttpMethod, Uri, int>((version, method, uri, id) => request.Setup(a => a.Uri).Returns(uri))
                 .Returns(request.Object);
 
             factory = Mock.Get(Api2.RequestFactory);
-            factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
+            factory.Setup(c => c.Create(It.IsAny<Version>(), It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
-                .Callback<HttpMethod, Uri, int>((method, uri, id) => request.Setup(a => a.Uri).Returns(uri))
+                .Callback<Version, HttpMethod, Uri, int>((version, method, uri, id) => request.Setup(a => a.Uri).Returns(uri))
                 .Returns(request.Object);
         }
     }
 
     public class TestRestApi1Client : RestApiClient
     {
+        protected override IRestMessageHandler MessageHandler { get; } = new TestRestMessageHandler();
+
         public TestRestApi1Client(TestClientOptions options) : base(new TraceLogger(), null, "https://localhost:123", options, options.Api1Options)
         {
             RequestFactory = new Mock<IRequestFactory>().Object;
@@ -139,7 +142,6 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
         /// <inheritdoc />
         public override string FormatSymbol(string baseAsset, string quoteAsset, TradingMode futuresType, DateTime? deliverDate = null) => $"{baseAsset.ToUpperInvariant()}{quoteAsset.ToUpperInvariant()}";
 
-        protected override IStreamMessageAccessor CreateAccessor() => new SystemTextJsonStreamMessageAccessor(new System.Text.Json.JsonSerializerOptions() { TypeInfoResolver = new TestSerializerContext() });
         protected override IMessageSerializer CreateSerializer() => new SystemTextJsonMessageSerializer(new System.Text.Json.JsonSerializerOptions());
 
         public async Task<CallResult<T>> Request<T>(CancellationToken ct = default) where T : class
@@ -157,11 +159,6 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
             ParameterPositions[method] = position;
         }
 
-        public override TimeSpan? GetTimeOffset()
-        {
-            throw new NotImplementedException();
-        }
-
         protected override AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials)
             => new TestAuthProvider(credentials);
 
@@ -169,21 +166,17 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
         {
             throw new NotImplementedException();
         }
-
-        public override TimeSyncInfo GetTimeSyncInfo()
-        {
-            throw new NotImplementedException();
-        }
     }
 
     public class TestRestApi2Client : RestApiClient
     {
+        protected override IRestMessageHandler MessageHandler { get; } = new TestRestMessageHandler();
+
         public TestRestApi2Client(TestClientOptions options) : base(new TraceLogger(), null, "https://localhost:123", options, options.Api2Options)
         {
             RequestFactory = new Mock<IRequestFactory>().Object;
         }
 
-        protected override IStreamMessageAccessor CreateAccessor() => new SystemTextJsonStreamMessageAccessor(new System.Text.Json.JsonSerializerOptions());
         protected override IMessageSerializer CreateSerializer() => new SystemTextJsonMessageSerializer(new System.Text.Json.JsonSerializerOptions());
 
         /// <inheritdoc />
@@ -193,19 +186,7 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
         {
             return await SendAsync<T>("http://www.test.com", new RequestDefinition("/", HttpMethod.Get) { Weight = 0 }, null, ct);
         }
-
+        
-        protected override Error ParseErrorResponse(int httpStatusCode, KeyValuePair<string, string[]>[] responseHeaders, IMessageAccessor accessor, Exception exception)
-        {
-            var errorData = accessor.Deserialize<TestError>();
-
-            return new ServerError(errorData.Data.ErrorCode, GetErrorInfo(errorData.Data.ErrorCode, errorData.Data.ErrorMessage));
-        }
-
-        public override TimeSpan? GetTimeOffset()
-        {
-            throw new NotImplementedException();
-        }
-
         protected override AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials)
             => new TestAuthProvider(credentials);
 
@@ -214,10 +195,6 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
             throw new NotImplementedException();
         }
 
-        public override TimeSyncInfo GetTimeSyncInfo()
-        {
-            throw new NotImplementedException();
-        }
     }
 
     public class TestError

CryptoExchange.Net.UnitTests/TestImplementations/TestRestMessageHandler.cs

@@ -0,0 +1,32 @@
+using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
+using CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers;
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Errors;
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Text;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace CryptoExchange.Net.UnitTests.TestImplementations
+{
+    internal class TestRestMessageHandler : JsonRestMessageHandler
+    {
+        private ErrorMapping _errorMapping = new ErrorMapping([]);
+        public override JsonSerializerOptions Options => new JsonSerializerOptions();
+
+        public override async ValueTask<Error> ParseErrorResponse(int httpStatusCode, HttpResponseHeaders responseHeaders, Stream responseStream)
+        {
+            var result = await GetJsonDocument(responseStream).ConfigureAwait(false);
+            if (result.Item1 != null)
+                return result.Item1;
+
+            var errorData = result.Item2.Deserialize<TestError>();
+            return new ServerError(errorData.ErrorCode, _errorMapping.GetErrorInfo(errorData.ErrorCode.ToString(), errorData.ErrorMessage));
+        }
+    }
+}

CryptoExchange.Net.UnitTests/TestImplementations/TestSocketClient.cs

@@ -1,140 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using CryptoExchange.Net.Authentication;
-using CryptoExchange.Net.Clients;
-using CryptoExchange.Net.Converters.MessageParsing;
-using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Objects;
-using CryptoExchange.Net.Objects.Options;
-using CryptoExchange.Net.Objects.Sockets;
-using CryptoExchange.Net.Sockets;
-using CryptoExchange.Net.UnitTests.TestImplementations.Sockets;
-using Microsoft.Extensions.Logging;
-using Moq;
-using CryptoExchange.Net.Testing.Implementations;
-using CryptoExchange.Net.SharedApis;
-using Microsoft.Extensions.Options;
-using CryptoExchange.Net.Converters.SystemTextJson;
-using System.Net.WebSockets;
-
-namespace CryptoExchange.Net.UnitTests.TestImplementations
-{
-    internal class TestSocketClient: BaseSocketClient
-    {
-        public TestSubSocketClient SubClient { get; }
-
-        /// <summary>
-        /// Create a new instance of KucoinSocketClient
-        /// </summary>
-        /// <param name="optionsFunc">Configure the options to use for this client</param>
-        public TestSocketClient(Action<TestSocketOptions> optionsDelegate = null)
-            : this(Options.Create(ApplyOptionsDelegate(optionsDelegate)), null)
-        {
-        }
-
-        public TestSocketClient(IOptions<TestSocketOptions> options, ILoggerFactory loggerFactory = null) : base(loggerFactory, "Test")
-        {
-            Initialize(options.Value);
-
-            SubClient = AddApiClient(new TestSubSocketClient(options.Value, options.Value.SubOptions));
-            SubClient.SocketFactory = new Mock<IWebsocketFactory>().Object;
-            Mock.Get(SubClient.SocketFactory).Setup(f => f.CreateWebsocket(It.IsAny<ILogger>(), It.IsAny<WebSocketParameters>())).Returns(new TestSocket("https://test.com"));
-        }
-
-        public TestSocket CreateSocket()
-        {
-            Mock.Get(SubClient.SocketFactory).Setup(f => f.CreateWebsocket(It.IsAny<ILogger>(), It.IsAny<WebSocketParameters>())).Returns(new TestSocket("https://test.com"));
-            return (TestSocket)SubClient.CreateSocketInternal("https://localhost:123/");
-        }
-                
-    }
-
-    public class TestEnvironment : TradeEnvironment
-    {
-        public string TestAddress { get; }
-
-        public TestEnvironment(string name, string url) : base(name)
-        {
-            TestAddress = url;
-        }
-    }
-
-    public class TestSocketOptions: SocketExchangeOptions<TestEnvironment>
-    {
-        public static TestSocketOptions Default = new TestSocketOptions
-        {
-            Environment = new TestEnvironment("Live", "https://test.test")
-        };
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public TestSocketOptions()
-        {
-            Default?.Set(this);
-        }
-
-        public SocketApiOptions SubOptions { get; set; } = new SocketApiOptions();
-
-        internal TestSocketOptions Set(TestSocketOptions targetOptions)
-        {
-            targetOptions = base.Set<TestSocketOptions>(targetOptions);
-            targetOptions.SubOptions = SubOptions.Set(targetOptions.SubOptions);
-            return targetOptions;
-        }
-    }
-
-    public class TestSubSocketClient : SocketApiClient
-    {
-        private MessagePath _channelPath = MessagePath.Get().Property("channel");
-        private MessagePath _actionPath = MessagePath.Get().Property("action");
-        private MessagePath _topicPath = MessagePath.Get().Property("topic");
-
-        public Subscription TestSubscription { get; private set; } = null;
-
-        public TestSubSocketClient(TestSocketOptions options, SocketApiOptions apiOptions) : base(new TraceLogger(), options.Environment.TestAddress, options, apiOptions)
-        {
-
-        }
-
-        protected internal override IByteMessageAccessor CreateAccessor(WebSocketMessageType type) => new SystemTextJsonByteMessageAccessor(new System.Text.Json.JsonSerializerOptions());
-        protected internal override IMessageSerializer CreateSerializer() => new SystemTextJsonMessageSerializer(new System.Text.Json.JsonSerializerOptions());
-
-        /// <inheritdoc />
-        public override string FormatSymbol(string baseAsset, string quoteAsset, TradingMode futuresType, DateTime? deliverDate = null) => $"{baseAsset.ToUpperInvariant()}{quoteAsset.ToUpperInvariant()}";
-
-        internal IWebsocket CreateSocketInternal(string address)
-        {
-            return CreateSocket(address);
-        }
-
-        protected override AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials)
-            => new TestAuthProvider(credentials);
-
-        public CallResult ConnectSocketSub(SocketConnection sub)
-        {
-            return ConnectSocketAsync(sub, default).Result;
-        }
-
-        public override string GetListenerIdentifier(IMessageAccessor message)
-        {
-            if (!message.IsValid)
-            {
-                return "topic";
-            }
-
-            var id = message.GetValue<string>(_channelPath);
-            id ??= message.GetValue<string>(_topicPath);
-
-            return message.GetValue<string>(_actionPath) + "-" + id;
-        }
-
-        public Task<CallResult<UpdateSubscription>> SubscribeToSomethingAsync(string channel, Action<DataEvent<string>> onUpdate, CancellationToken ct)
-        {
-            TestSubscription = new TestSubscriptionWithResponseCheck<string>(channel, onUpdate);
-            return SubscribeAsync(TestSubscription, ct);
-        }        
-    }
-}

CryptoExchange.Net.UnitTests/TestSerializerContext.cs

@@ -1,10 +1,6 @@
 using CryptoExchange.Net.UnitTests.TestImplementations;
-using System;
 using System.Collections.Generic;
-using System.Linq;
-using System.Text;
 using System.Text.Json.Serialization;
-using System.Threading.Tasks;
 
 namespace CryptoExchange.Net.UnitTests
 {

CryptoExchange.Net/.editorconfig

@@ -1,183 +0,0 @@
-root = true
-
-[*]
-
-# Indentation and spacing
-indent_style = space
-indent_size = 4
-trim_trailing_whitespace = true
-charset = utf-8
-max_line_length = 140
-insert_final_newline = true
-
-# ReSharper code style properties
-resharper_csharp_keep_existing_embedded_arrangement = false
-resharper_csharp_place_accessorholder_attribute_on_same_line = false
-resharper_csharp_wrap_after_declaration_lpar = true
-resharper_csharp_wrap_parameters_style = chop_if_long
-resharper_csharp_blank_lines_around_single_line_auto_property = 1
-resharper_csharp_keep_blank_lines_in_declarations = 1
-resharper_trailing_comma_in_multiline_lists = true
-
-[*.cs]
-
-indent_size = 4
-
-# Code style conventions
-dotnet_style_predefined_type_for_member_access = true:suggestion
-dotnet_style_collection_initializer = true:suggestion
-dotnet_style_object_initializer = true:suggestion
-csharp_style_var_when_type_is_apparent = true:suggestion
-csharp_style_expression_bodied_methods = true:suggestion
-csharp_style_namespace_declarations = file_scoped:warning
-dotnet_style_coalesce_expression = true:suggestion
-dotnet_style_null_propagation = true:suggestion
-dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion
-dotnet_style_prefer_simplified_boolean_expressions = true:suggestion
-csharp_prefer_braces = when_multiline:warning
-
-# Analyzer preferences
-dotnet_diagnostic.CA2007.severity = warning # Call ConfigureAwait on the awaited Task.
-dotnet_code_quality.CA2007.exclude_async_void_methods = true
-dotnet_code_quality.CA2007.output_kind = DynamicallyLinkedLibrary
-
-dotnet_diagnostic.CA1000.severity = none # Do not declare static members on generic types
-dotnet_diagnostic.CA1051.severity = none # Do not declare visible instance fields
-dotnet_diagnostic.CA1510.severity = none # Use ArgumentNullException throw helper
-dotnet_diagnostic.CA1720.severity = none # Identifiers should not contain type names
-dotnet_diagnostic.CA1716.severity = none # Identifiers should not match keywords
-dotnet_diagnostic.CA1835.severity = none # Use ArgumentNullException throw helper
-dotnet_diagnostic.CA1846.severity = none # Prefer AsSpan over Substring
-dotnet_diagnostic.CA1848.severity = none # Use the LoggerMessage delegates
-dotnet_diagnostic.CA1850.severity = none # Prefer static HashData method over ComputeHash
-dotnet_diagnostic.CA1866.severity = none # Use 'string.Method(char)' instead of 'string.Method(string)' for string with single char
-dotnet_diagnostic.CA2201.severity = none # Do not raise reserved exception types
-dotnet_diagnostic.CA2208.severity = none # Do not raise reserved exception types
-dotnet_diagnostic.IDE0005.severity = warning # Using directive is unnecessary
-
-[*.xml]
-ij_xml_space_inside_empty_tag = true
-[*.cs]
-#### Naming styles ####
-
-# Naming rules
-
-dotnet_naming_rule.interface_should_be_begins_with_i.severity = warning
-dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
-dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i
-
-dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = warning
-dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
-dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
-
-dotnet_naming_rule.private_or_internal_field_should_be_fields_start_with__.severity = warning
-dotnet_naming_rule.private_or_internal_field_should_be_fields_start_with__.symbols = private_or_internal_field
-dotnet_naming_rule.private_or_internal_field_should_be_fields_start_with__.style = fields_start_with__
-
-# Symbol specifications
-
-dotnet_naming_symbols.interface.applicable_kinds = interface
-dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.interface.required_modifiers = 
-
-dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
-dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.non_field_members.required_modifiers = 
-
-dotnet_naming_symbols.private_or_internal_field.applicable_kinds = field
-dotnet_naming_symbols.private_or_internal_field.applicable_accessibilities = internal, private, private_protected
-dotnet_naming_symbols.private_or_internal_field.required_modifiers = 
-
-# Naming styles
-
-dotnet_naming_style.begins_with_i.required_prefix = I
-dotnet_naming_style.begins_with_i.required_suffix = 
-dotnet_naming_style.begins_with_i.word_separator = 
-dotnet_naming_style.begins_with_i.capitalization = pascal_case
-
-dotnet_naming_style.pascal_case.required_prefix = 
-dotnet_naming_style.pascal_case.required_suffix = 
-dotnet_naming_style.pascal_case.word_separator = 
-dotnet_naming_style.pascal_case.capitalization = pascal_case
-
-dotnet_naming_style.fields_start_with__.required_prefix = _
-dotnet_naming_style.fields_start_with__.required_suffix = 
-dotnet_naming_style.fields_start_with__.word_separator = 
-dotnet_naming_style.fields_start_with__.capitalization = camel_case
-csharp_indent_labels = one_less_than_current
-csharp_using_directive_placement = outside_namespace:suggestion
-csharp_prefer_simple_using_statement = true:suggestion
-csharp_style_prefer_method_group_conversion = true:silent
-csharp_style_prefer_top_level_statements = true:silent
-csharp_style_prefer_primary_constructors = true:suggestion
-csharp_prefer_system_threading_lock = true:suggestion
-csharp_style_expression_bodied_constructors = false:silent
-csharp_style_expression_bodied_operators = false:silent
-csharp_style_expression_bodied_properties = true:suggestion
-csharp_style_expression_bodied_indexers = true:suggestion
-csharp_style_expression_bodied_accessors = true:suggestion
-csharp_style_expression_bodied_lambdas = true:silent
-csharp_style_expression_bodied_local_functions = true:silent
-
-[*.vb]
-#### Naming styles ####
-
-# Naming rules
-
-dotnet_naming_rule.interface_should_be_begins_with_i.severity = suggestion
-dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
-dotnet_naming_rule.interface_should_be_begins_with_i.style = begins_with_i
-
-dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = suggestion
-dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
-dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case
-
-# Symbol specifications
-
-dotnet_naming_symbols.interface.applicable_kinds = interface
-dotnet_naming_symbols.interface.applicable_accessibilities = public, friend, private, protected, protected_friend, private_protected
-dotnet_naming_symbols.interface.required_modifiers = 
-
-dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
-dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, friend, private, protected, protected_friend, private_protected
-dotnet_naming_symbols.non_field_members.required_modifiers = 
-
-# Naming styles
-
-dotnet_naming_style.begins_with_i.required_prefix = I
-dotnet_naming_style.begins_with_i.required_suffix = 
-dotnet_naming_style.begins_with_i.word_separator = 
-dotnet_naming_style.begins_with_i.capitalization = pascal_case
-
-dotnet_naming_style.pascal_case.required_prefix = 
-dotnet_naming_style.pascal_case.required_suffix = 
-dotnet_naming_style.pascal_case.word_separator = 
-dotnet_naming_style.pascal_case.capitalization = pascal_case
-
-[*.{cs,vb}]
-#### Naming styles ####
-
-# Naming rules
-
-dotnet_naming_rule.types_should_be_pascal_case.severity = suggestion
-dotnet_naming_rule.types_should_be_pascal_case.symbols = types
-dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case
-
-# Symbol specifications
-
-dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
-dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
-dotnet_naming_symbols.types.required_modifiers = 
-
-# Naming styles
-
-dotnet_naming_style.pascal_case.required_prefix = 
-dotnet_naming_style.pascal_case.required_suffix = 
-dotnet_naming_style.pascal_case.word_separator = 
-dotnet_naming_style.pascal_case.capitalization = pascal_case
-dotnet_style_operator_placement_when_wrapping = beginning_of_line
-tab_width = 4
-end_of_line = crlf
-dotnet_style_coalesce_expression = true:suggestion
-dotnet_style_null_propagation = true:suggestion
-dotnet_style_prefer_is_null_check_over_reference_equality_method = true:suggestion

CryptoExchange.Net/AssemblyInfo.cs

@@ -1,5 +1,6 @@
-[assembly: System.Runtime.CompilerServices.InternalsVisibleTo("CryptoExchange.Net.UnitTests")]
+[assembly: System.Runtime.CompilerServices.InternalsVisibleTo("CryptoExchange.Net.UnitTests")]
 
-namespace System.Runtime.CompilerServices;
+namespace System.Runtime.CompilerServices
-
+{
-internal static class IsExternalInit { }
+    internal static class IsExternalInit { }
+}

CryptoExchange.Net/Attributes/JsonConversionAttribute.cs

@@ -1,11 +1,12 @@
-using System;
+using System;
 
-namespace CryptoExchange.Net.Attributes;
+namespace CryptoExchange.Net.Attributes
-
-/// <summary>
-/// Used for conversion in ArrayConverter
-/// </summary>
-[AttributeUsage(AttributeTargets.Property)]
-public class JsonConversionAttribute: Attribute
 {
+    /// <summary>
+    /// Used for conversion in ArrayConverter
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Property)]
+    public class JsonConversionAttribute: Attribute
+    {
+    }
 }

CryptoExchange.Net/Attributes/MapAttribute.cs

@@ -1,24 +1,25 @@
-using System;
+using System;
 
-namespace CryptoExchange.Net.Attributes;
+namespace CryptoExchange.Net.Attributes
-
-/// <summary>
-/// Map a enum entry to string values
-/// </summary>
-[AttributeUsage(AttributeTargets.Field)]
-public class MapAttribute : Attribute
 {
     /// <summary>
-    /// Values mapping to the enum entry
+    /// Map a enum entry to string values
     /// </summary>
-    public string[] Values { get; set; }
+    [AttributeUsage(AttributeTargets.Field)]
-
+    public class MapAttribute : Attribute
-    /// <summary>
-    /// ctor
-    /// </summary>
-    /// <param name="maps"></param>
-    public MapAttribute(params string[] maps)
     {
-        Values = maps;
+        /// <summary>
+        /// Values mapping to the enum entry
+        /// </summary>
+        public string[] Values { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="maps"></param>
+        public MapAttribute(params string[] maps)
+        {
+            Values = maps;
+        }
     }
 }

CryptoExchange.Net/Authentication/ApiCredentials.cs

@@ -1,56 +1,101 @@
-using System;
+using System;
+using System.IO;
+using System.Threading.Tasks;
 
-namespace CryptoExchange.Net.Authentication;
+namespace CryptoExchange.Net.Authentication
-
-/// <summary>
-/// Api credentials, used to sign requests accessing private endpoints
-/// </summary>
-public class ApiCredentials
 {
     /// <summary>
-    /// The api key / label to authenticate requests
+    /// Api credentials, used to sign requests accessing private endpoints
     /// </summary>
-    public string Key { get; set; }
+    public class ApiCredentials
-
-    /// <summary>
-    /// The api secret or private key to authenticate requests
-    /// </summary>
-    public string Secret { get; set; }
-
-    /// <summary>
-    /// The api passphrase. Not needed on all exchanges
-    /// </summary>
-    public string? Pass { get; set; }
-
-    /// <summary>
-    /// Type of the credentials
-    /// </summary>
-    public ApiCredentialsType CredentialType { get; set; }
-
-    /// <summary>
-    /// Create Api credentials providing an api key and secret for authentication
-    /// </summary>
-    /// <param name="key">The api key / label used for identification</param>
-    /// <param name="secret">The api secret or private key used for signing</param>
-    /// <param name="pass">The api pass for the key. Not always needed</param>
-    /// <param name="credentialType">The type of credentials</param>
-    public ApiCredentials(string key, string secret, string? pass = null, ApiCredentialsType credentialType = ApiCredentialsType.Hmac)
     {
-        if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(secret))
+        /// <summary>
-            throw new ArgumentException("Key and secret can't be null/empty");
+        /// The api key / label to authenticate requests
+        /// </summary>
+        public string Key { get; set; }
 
-        CredentialType = credentialType;
+        /// <summary>
-        Key = key;
+        /// The api secret or private key to authenticate requests
-        Secret = secret;
+        /// </summary>
-        Pass = pass;
+        public string Secret { get; set; }
-    }
 
-    /// <summary>
+        /// <summary>
-    /// Copy the credentials
+        /// The api passphrase. Not needed on all exchanges
-    /// </summary>
+        /// </summary>
-    /// <returns></returns>
+        public string? Pass { get; set; }
-    public virtual ApiCredentials Copy()
+
-    {
+        /// <summary>
-        return new ApiCredentials(Key, Secret, Pass, CredentialType);
+        /// Type of the credentials
+        /// </summary>
+        public ApiCredentialsType CredentialType { get; set; }
+
+        /// <summary>
+        /// Create Api credentials providing an api key and secret for authentication
+        /// </summary>
+        /// <param name="key">The api key / label used for identification</param>
+        /// <param name="secret">The api secret or private key used for signing</param>
+        /// <param name="pass">The api pass for the key. Not always needed</param>
+        /// <param name="credentialType">The type of credentials</param>
+        public ApiCredentials(string key, string secret, string? pass = null, ApiCredentialsType credentialType = ApiCredentialsType.Hmac)
+        {
+            if (string.IsNullOrEmpty(key) || string.IsNullOrEmpty(secret))
+                throw new ArgumentException("Key and secret can't be null/empty");
+
+            CredentialType = credentialType;
+            Key = key;
+            Secret = secret;
+            Pass = pass;
+        }
+
+        /// <summary>
+        /// Create API credentials using an API key and secret generated by the server
+        /// </summary>
+        public static ApiCredentials HmacCredentials(string apiKey, string apiSecret, string? pass)
+        {
+            return new ApiCredentials(apiKey, apiSecret, pass, ApiCredentialsType.Hmac);
+        }
+
+        /// <summary>
+        /// Create API credentials using an API key and an RSA private key in PEM format
+        /// </summary>
+        public static ApiCredentials RsaPemCredentials(string apiKey, string privateKey)
+        {
+            return new ApiCredentials(apiKey, privateKey, credentialType: ApiCredentialsType.RsaPem);
+        }
+
+        /// <summary>
+        /// Create API credentials using an API key and an RSA private key in XML format
+        /// </summary>
+        public static ApiCredentials RsaXmlCredentials(string apiKey, string privateKey)
+        {
+            return new ApiCredentials(apiKey, privateKey, credentialType: ApiCredentialsType.RsaXml);
+        }
+
+        /// <summary>
+        /// Create API credentials using an API key and an Ed25519 private key
+        /// </summary>
+        public static ApiCredentials Ed25519Credentials(string apiKey, string privateKey)
+        {
+            return new ApiCredentials(apiKey, privateKey, credentialType: ApiCredentialsType.Ed25519);
+        }
+
+        /// <summary>
+        /// Load a key from a file
+        /// </summary>
+        public static string ReadFromFile(string path)
+        {
+            using var fileStream = File.OpenRead(path);
+            using var streamReader = new StreamReader(fileStream);
+            return streamReader.ReadToEnd();
+        }
+
+        /// <summary>
+        /// Copy the credentials
+        /// </summary>
+        /// <returns></returns>
+        public virtual ApiCredentials Copy()
+        {
+            return new ApiCredentials(Key, Secret, Pass, CredentialType);
+        }
     }
 }

CryptoExchange.Net/Authentication/ApiCredentialsType.cs

@@ -1,20 +1,25 @@
-namespace CryptoExchange.Net.Authentication;
+namespace CryptoExchange.Net.Authentication
-
-/// <summary>
-/// Credentials type
-/// </summary>
-public enum ApiCredentialsType
 {
     /// <summary>
-    /// Hmac keys credentials
+    /// Credentials type
     /// </summary>
-    Hmac,
+    public enum ApiCredentialsType
-    /// <summary>
+    {
-    /// Rsa keys credentials in xml format
+        /// <summary>
-    /// </summary>
+        /// Hmac keys credentials
-    RsaXml,
+        /// </summary>
-    /// <summary>
+        Hmac,
-    /// Rsa keys credentials in pem/base64 format. Only available for .NetStandard 2.1 and up, use xml format for lower.
+        /// <summary>
-    /// </summary>
+        /// Rsa keys credentials in xml format
-    RsaPem
+        /// </summary>
+        RsaXml,
+        /// <summary>
+        /// Rsa keys credentials in pem/base64 format. Only available for .NetStandard 2.1 and up, use xml format for lower.
+        /// </summary>
+        RsaPem,
+        /// <summary>
+        /// Ed25519 keys credentials
+        /// </summary>
+        Ed25519
+    }
 }

CryptoExchange.Net/Authentication/SignOutputType.cs

@@ -1,16 +1,17 @@
-namespace CryptoExchange.Net.Authentication;
+namespace CryptoExchange.Net.Authentication
-
-/// <summary>
-/// Output string type
-/// </summary>
-public enum SignOutputType
 {
     /// <summary>
-    /// Hex string
+    /// Output string type
     /// </summary>
-    Hex,
+    public enum SignOutputType
-    /// <summary>
+    {
-    /// Base64 string
+        /// <summary>
-    /// </summary>
+        /// Hex string
-    Base64
+        /// </summary>
+        Hex,
+        /// <summary>
+        /// Base64 string
+        /// </summary>
+        Base64
+    }
 }

CryptoExchange.Net/Caching/MemoryCache.cs

@@ -1,52 +1,58 @@
-using System;
+using System;
 using System.Collections.Concurrent;
 using System.Linq;
+using System.Threading;
 
-namespace CryptoExchange.Net.Caching;
+namespace CryptoExchange.Net.Caching
-
-internal class MemoryCache
 {
-    private readonly ConcurrentDictionary<string, CacheItem> _cache = new ConcurrentDictionary<string, CacheItem>();
+    internal class MemoryCache
-    private readonly object _lock = new object();
-
-    /// <summary>
-    /// Add a new cache entry. Will override an existing entry if it already exists
-    /// </summary>
-    /// <param name="key">The key identifier</param>
-    /// <param name="value">Cache value</param>
-    public void Add(string key, object value)
     {
-        var cacheItem = new CacheItem(DateTime.UtcNow, value);
+        private readonly ConcurrentDictionary<string, CacheItem> _cache = new ConcurrentDictionary<string, CacheItem>();
-        _cache.AddOrUpdate(key, cacheItem, (key, val1) => cacheItem);
+#if NET9_0_OR_GREATER
-    }
+        private readonly Lock _lock = new Lock();
+#else
+        private readonly object _lock = new object();
+#endif
 
-    /// <summary>
+        /// <summary>
-    /// Get a cached value
+        /// Add a new cache entry. Will override an existing entry if it already exists
-    /// </summary>
+        /// </summary>
-    /// <param name="key">The key identifier</param>
+        /// <param name="key">The key identifier</param>
-    /// <param name="maxAge">The max age of the cached entry</param>
+        /// <param name="value">Cache value</param>
-    /// <returns>Cached value if it was in cache</returns>
+        public void Add(string key, object value)
-    public object? Get(string key, TimeSpan maxAge)
-    {
-        foreach (var item in _cache.Where(x => DateTime.UtcNow - x.Value.CacheTime > maxAge).ToList())
-            _cache.TryRemove(item.Key, out _);
-        
-        _cache.TryGetValue(key, out CacheItem? value);
-        if (value == null)
-            return null;
-
-        return value.Value;
-    }
-
-    private class CacheItem
-    {
-        public DateTime CacheTime { get; }
-        public object Value { get; }
-
-        public CacheItem(DateTime cacheTime, object value)
         {
-            CacheTime = cacheTime;
+            var cacheItem = new CacheItem(DateTime.UtcNow, value);
-            Value = value;
+            _cache.AddOrUpdate(key, cacheItem, (key, val1) => cacheItem);
+        }
+
+        /// <summary>
+        /// Get a cached value
+        /// </summary>
+        /// <param name="key">The key identifier</param>
+        /// <param name="maxAge">The max age of the cached entry</param>
+        /// <returns>Cached value if it was in cache</returns>
+        public object? Get(string key, TimeSpan maxAge)
+        {
+            foreach (var item in _cache.Where(x => DateTime.UtcNow - x.Value.CacheTime > maxAge).ToList())
+                _cache.TryRemove(item.Key, out _);
+            
+            _cache.TryGetValue(key, out CacheItem? value);
+            if (value == null)
+                return null;
+
+            return value.Value;
+        }
+
+        private class CacheItem
+        {
+            public DateTime CacheTime { get; }
+            public object Value { get; }
+
+            public CacheItem(DateTime cacheTime, object value)
+            {
+                CacheTime = cacheTime;
+                Value = value;
+            }
         }
     }
 }

CryptoExchange.Net/Clients/BaseApiClient.cs

@@ -1,140 +1,152 @@
 using System;
 using CryptoExchange.Net.Authentication;
-using CryptoExchange.Net.Interfaces;
+using CryptoExchange.Net.Interfaces.Clients;
 using CryptoExchange.Net.Objects.Errors;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.SharedApis;
 using Microsoft.Extensions.Logging;
 
-namespace CryptoExchange.Net.Clients;
+namespace CryptoExchange.Net.Clients
-
-/// <summary>
-/// Base API for all API clients
-/// </summary>
-public abstract class BaseApiClient : IDisposable, IBaseApiClient
 {
     /// <summary>
-    /// Logger
+    /// Base API for all API clients
     /// </summary>
-    protected ILogger _logger;
+    public abstract class BaseApiClient : IDisposable, IBaseApiClient
-
-    /// <summary>
-    /// If we are disposing
-    /// </summary>
-    protected bool _disposing;
-
-    /// <summary>
-    /// The authentication provider for this API client. (null if no credentials are set)
-    /// </summary>
-    public AuthenticationProvider? AuthenticationProvider { get; private set; }
-
-    /// <summary>
-    /// The environment this client communicates to
-    /// </summary>
-    public string BaseAddress { get; }
-
-    /// <summary>
-    /// Output the original string data along with the deserialized object
-    /// </summary>
-    public bool OutputOriginalData { get; }
-
-    /// <inheritdoc />
-    public bool Authenticated => ApiCredentials != null;
-
-    /// <inheritdoc />
-    public ApiCredentials? ApiCredentials { get; set; }
-
-    /// <summary>
-    /// Api options
-    /// </summary>
-    public ApiOptions ApiOptions { get; }
-
-    /// <summary>
-    /// Client Options
-    /// </summary>
-    public ExchangeOptions ClientOptions { get; }
-
-    /// <summary>
-    /// Mapping of a response code to known error types
-    /// </summary>
-    protected internal virtual ErrorMapping ErrorMapping { get; } = new ErrorMapping([]);
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    /// <param name="logger">Logger</param>
-    /// <param name="outputOriginalData">Should data from this client include the original data in the call result</param>
-    /// <param name="baseAddress">Base address for this API client</param>
-    /// <param name="apiCredentials">Api credentials</param>
-    /// <param name="clientOptions">Client options</param>
-    /// <param name="apiOptions">Api options</param>
-    protected BaseApiClient(ILogger logger, bool outputOriginalData, ApiCredentials? apiCredentials, string baseAddress, ExchangeOptions clientOptions, ApiOptions apiOptions)
     {
-        _logger = logger;
+        /// <summary>
+        /// Client name
+        /// </summary>
+        protected string? _clientName;
 
-        ClientOptions = clientOptions;
+        /// <summary>
-        ApiOptions = apiOptions;
+        /// Logger
-        OutputOriginalData = outputOriginalData;
+        /// </summary>
-        BaseAddress = baseAddress;
+        protected ILogger _logger;
-        ApiCredentials = apiCredentials?.Copy();
 
-        if (ApiCredentials != null)
+        /// <summary>
-            AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
+        /// If we are disposing
-    }
+        /// </summary>
+        protected bool _disposing;
 
-    /// <summary>
+        /// <summary>
-    /// Create an AuthenticationProvider implementation instance based on the provided credentials
+        /// Name of the client
-    /// </summary>
+        /// </summary>
-    /// <param name="credentials"></param>
+        protected internal string ClientName
-    /// <returns></returns>
+        {
-    protected abstract AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials);
+            get
+            {
+                if (_clientName != null)
+                    return _clientName;
 
-    /// <inheritdoc />
+                _clientName = GetType().Name;
-    public abstract string FormatSymbol(string baseAsset, string quoteAsset, TradingMode tradingMode, DateTime? deliverDate = null);
+                return _clientName;
+            }
+        }
 
-    /// <summary>
+        /// <summary>
-    /// Get error info for a response code
+        /// The authentication provider for this API client. (null if no credentials are set)
-    /// </summary>
+        /// </summary>
-    public ErrorInfo GetErrorInfo(int code, string? message = null) => GetErrorInfo(code.ToString(), message);
+        public AuthenticationProvider? AuthenticationProvider { get; private set; }
 
-    /// <summary>
+        /// <summary>
-    /// Get error info for a response code
+        /// The environment this client communicates to
-    /// </summary>
+        /// </summary>
-    public ErrorInfo GetErrorInfo(string code, string? message = null) => ErrorMapping.GetErrorInfo(code.ToString(), message);
+        public string BaseAddress { get; }
 
-    /// <inheritdoc />
+        /// <summary>
-    public void SetApiCredentials<T>(T credentials) where T : ApiCredentials
+        /// Output the original string data along with the deserialized object
-    {
+        /// </summary>
-        ApiCredentials = credentials?.Copy();
+        public bool OutputOriginalData { get; }
-        if (ApiCredentials != null)
-            AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
-    }
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public virtual void SetOptions<T>(UpdateOptions<T> options) where T : ApiCredentials
+        public bool Authenticated => ApiCredentials != null;
-    {
-        ClientOptions.Proxy = options.Proxy;
-        ClientOptions.RequestTimeout = options.RequestTimeout ?? ClientOptions.RequestTimeout;
 
-        ApiCredentials = options.ApiCredentials?.Copy() ?? ApiCredentials;
+        /// <inheritdoc />
-        if (ApiCredentials != null)
+        public ApiCredentials? ApiCredentials { get; set; }
-            AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
-    }
 
-    /// <summary>
+        /// <summary>
-    /// Dispose
+        /// Api options
-    /// </summary>
+        /// </summary>
-    public void Dispose()
+        public ApiOptions ApiOptions { get; }
-    {
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
 
-    /// <summary>
+        /// <summary>
-    /// Dispose
+        /// Client Options
-    /// </summary>
+        /// </summary>
-    public virtual void Dispose(bool disposing)
+        public ExchangeOptions ClientOptions { get; }
-    {
+
-        _disposing = true;
+        /// <summary>
+        /// Mapping of a response code to known error types
+        /// </summary>
+        protected internal virtual ErrorMapping ErrorMapping { get; } = new ErrorMapping([]);
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="logger">Logger</param>
+        /// <param name="outputOriginalData">Should data from this client include the original data in the call result</param>
+        /// <param name="baseAddress">Base address for this API client</param>
+        /// <param name="apiCredentials">Api credentials</param>
+        /// <param name="clientOptions">Client options</param>
+        /// <param name="apiOptions">Api options</param>
+        protected BaseApiClient(ILogger logger, bool outputOriginalData, ApiCredentials? apiCredentials, string baseAddress, ExchangeOptions clientOptions, ApiOptions apiOptions)
+        {
+            _logger = logger;
+
+            ClientOptions = clientOptions;
+            ApiOptions = apiOptions;
+            OutputOriginalData = outputOriginalData;
+            BaseAddress = baseAddress;
+            ApiCredentials = apiCredentials?.Copy();
+
+            if (ApiCredentials != null)
+                AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
+        }
+
+        /// <summary>
+        /// Create an AuthenticationProvider implementation instance based on the provided credentials
+        /// </summary>
+        /// <param name="credentials"></param>
+        /// <returns></returns>
+        protected abstract AuthenticationProvider CreateAuthenticationProvider(ApiCredentials credentials);
+
+        /// <inheritdoc />
+        public abstract string FormatSymbol(string baseAsset, string quoteAsset, TradingMode tradingMode, DateTime? deliverDate = null);
+
+        /// <summary>
+        /// Get error info for a response code
+        /// </summary>
+        public ErrorInfo GetErrorInfo(int code, string? message = null) => GetErrorInfo(code.ToString(), message);
+
+        /// <summary>
+        /// Get error info for a response code
+        /// </summary>
+        public ErrorInfo GetErrorInfo(string code, string? message = null) => ErrorMapping.GetErrorInfo(code.ToString(), message);
+
+        /// <inheritdoc />
+        public void SetApiCredentials<T>(T credentials) where T : ApiCredentials
+        {
+            ApiCredentials = credentials?.Copy();
+            if (ApiCredentials != null)
+                AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
+        }
+
+        /// <inheritdoc />
+        public virtual void SetOptions<T>(UpdateOptions<T> options) where T : ApiCredentials
+        {
+            ClientOptions.Proxy = options.Proxy;
+            ClientOptions.RequestTimeout = options.RequestTimeout ?? ClientOptions.RequestTimeout;
+
+            ApiCredentials = options.ApiCredentials?.Copy() ?? ApiCredentials;
+            if (ApiCredentials != null)
+                AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
+        }
+
+        /// <summary>
+        /// Dispose
+        /// </summary>
+        public virtual void Dispose()
+        {
+            _disposing = true;
+        }
     }
 }

CryptoExchange.Net/Clients/BaseClient.cs

@@ -1,142 +1,139 @@
-using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Objects.Options;
 using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Generic;
+using System.Threading;
 
-namespace CryptoExchange.Net.Clients;
+namespace CryptoExchange.Net.Clients
-
-/// <summary>
-/// The base for all clients, websocket client and rest client
-/// </summary>
-public abstract class BaseClient : IDisposable
 {
     /// <summary>
-    /// Version of the CryptoExchange.Net base library
+    /// The base for all clients, websocket client and rest client
     /// </summary>
-    public Version CryptoExchangeLibVersion { get; } = typeof(BaseClient).Assembly.GetName().Version!;
+    public abstract class BaseClient : IDisposable
+    {
+        /// <summary>
+        /// Version of the CryptoExchange.Net base library
+        /// </summary>
+        public Version CryptoExchangeLibVersion { get; } = typeof(BaseClient).Assembly.GetName().Version!;
 
-    /// <summary>
+        /// <summary>
-    /// Version of the client implementation
+        /// Version of the client implementation
-    /// </summary>
+        /// </summary>
-    public Version ExchangeLibVersion
+        public Version ExchangeLibVersion
-    { 
+        { 
-        get
+            get
-        {
-           lock(_versionLock)
             {
-                if (_exchangeVersion == null)
+               lock(_versionLock)
-                    _exchangeVersion = GetType().Assembly.GetName().Version!;
+                {
+                    if (_exchangeVersion == null)
+                        _exchangeVersion = GetType().Assembly.GetName().Version!;
 
-                return _exchangeVersion;
+                    return _exchangeVersion;
+                }
             }
         }
-    }
 
-    /// <summary>
+        /// <summary>
-    /// The name of the API the client is for
+        /// The name of the API the client is for
-    /// </summary>
+        /// </summary>
-    public string Exchange { get; }
+        public string Exchange { get; }
 
-    /// <summary>
+        /// <summary>
-    /// Api clients in this client
+        /// Whether client is disposed
-    /// </summary>
+        /// </summary>
-    internal List<BaseApiClient> ApiClients { get; } = new List<BaseApiClient>();
+        public bool Disposed { get; private set; }
 
-    /// <summary>
+        /// <summary>
-    /// The log object
+        /// Api clients in this client
-    /// </summary>
+        /// </summary>
-    protected internal ILogger _logger;
+        internal List<BaseApiClient> ApiClients { get; } = new List<BaseApiClient>();
 
-    private readonly object _versionLock = new object();
+        /// <summary>
-    private Version _exchangeVersion;
+        /// The log object
+        /// </summary>
+        protected internal ILogger _logger;
 
-    /// <summary>
+#if NET9_0_OR_GREATER
-    /// Provided client options
+        private readonly Lock _versionLock = new Lock();
-    /// </summary>
+#else
-    public ExchangeOptions ClientOptions { get; private set; }
+        private readonly object _versionLock = new object();
+#endif
+        private Version _exchangeVersion;
 
-    /// <summary>
+        /// <summary>
-    /// ctor
+        /// Provided client options
-    /// </summary>
+        /// </summary>
-    /// <param name="logger">Logger</param>
+        public ExchangeOptions ClientOptions { get; private set; }
-    /// <param name="exchange">The name of the exchange this client is for</param>
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="logger">Logger</param>
+        /// <param name="exchange">The name of the exchange this client is for</param>
 #pragma warning disable CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
-    protected BaseClient(ILoggerFactory? logger, string exchange)
+        protected BaseClient(ILoggerFactory? logger, string exchange)
 #pragma warning restore CS8618 // Non-nullable field must contain a non-null value when exiting constructor. Consider declaring as nullable.
-    {
-        Exchange = exchange;
-    }
-
-    /// <summary>
-    /// Initialize the client with the specified options
-    /// </summary>
-    /// <param name="options"></param>
-    /// <exception cref="ArgumentNullException"></exception>
-    protected virtual void Initialize(ExchangeOptions options)
-    {
-        if (options == null)
-            throw new ArgumentNullException(nameof(options));
-
-        ClientOptions = options;
-        _logger.Log(LogLevel.Trace, "Client configuration: {Options}, CryptoExchange.Net: v{CryptoExchangeVersion}, {Exchange}.Net: v{ExchangeVersion}", options, CryptoExchangeLibVersion, Exchange, ExchangeLibVersion);
-    }
-
-    /// <summary>
-    /// Set the API credentials for this client. All Api clients in this client will use the new credentials, regardless of earlier set options.
-    /// </summary>
-    /// <param name="credentials">The credentials to set</param>
-    protected virtual void SetApiCredentials<T>(T credentials) where T : ApiCredentials
-    {
-        foreach (var apiClient in ApiClients)
-            apiClient.SetApiCredentials(credentials);
-    }
-
-    /// <summary>
-    /// Register an API client
-    /// </summary>
-    /// <param name="apiClient">The client</param>
-    protected T AddApiClient<T>(T apiClient) where T : BaseApiClient
-    {
-        if (ClientOptions == null)
-            throw new InvalidOperationException("Client should have called Initialize before adding API clients");
-
-        _logger.Log(LogLevel.Trace, "  {ApiClient}, base address: {BaseAddress}", apiClient.GetType().Name, apiClient.BaseAddress);
-        ApiClients.Add(apiClient);
-        return apiClient;
-    }
-
-    /// <summary>
-    /// Apply the options delegate to a new options instance
-    /// </summary>
-    protected static T ApplyOptionsDelegate<T>(Action<T>? del) where T: new()
-    {
-        var opts = new T();
-        del?.Invoke(opts);
-        return opts;
-    }
-
-    /// <summary>
-    /// Dispose
-    /// </summary>
-    public void Dispose()
-    {
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
-
-    /// <summary>
-    /// Dispose
-    /// </summary>
-    public virtual void Dispose(bool disposing)
-    {
-        if (disposing)
         {
-            _logger.Log(LogLevel.Debug, "Disposing client");
+            Exchange = exchange;
+        }
+
+        /// <summary>
+        /// Initialize the client with the specified options
+        /// </summary>
+        /// <param name="options"></param>
+        /// <exception cref="ArgumentNullException"></exception>
+        protected virtual void Initialize(ExchangeOptions options)
+        {
+            if (options == null)
+                throw new ArgumentNullException(nameof(options));
+
+            ClientOptions = options;
+            _logger.Log(LogLevel.Trace, $"Client configuration: {options}, CryptoExchange.Net: v{CryptoExchangeLibVersion}, {Exchange}.Net: v{ExchangeLibVersion}");
+        }
+
+        /// <summary>
+        /// Set the API credentials for this client. All Api clients in this client will use the new credentials, regardless of earlier set options.
+        /// </summary>
+        /// <param name="credentials">The credentials to set</param>
+        protected virtual void SetApiCredentials<T>(T credentials) where T : ApiCredentials
+        {
+            foreach (var apiClient in ApiClients)
+                apiClient.SetApiCredentials(credentials);
+        }
+
+        /// <summary>
+        /// Register an API client
+        /// </summary>
+        /// <param name="apiClient">The client</param>
+        protected T AddApiClient<T>(T apiClient) where T : BaseApiClient
+        {
+            if (ClientOptions == null)
+                throw new InvalidOperationException("Client should have called Initialize before adding API clients");
+
+            ApiClients.Add(apiClient);
+            return apiClient;
+        }
+
+        /// <summary>
+        /// Apply the options delegate to a new options instance
+        /// </summary>
+        protected static T ApplyOptionsDelegate<T>(Action<T>? del) where T: new()
+        {
+            var opts = new T();
+            del?.Invoke(opts);
+            return opts;
+        }
+
+        /// <summary>
+        /// Dispose
+        /// </summary>
+        public virtual void Dispose()
+        {
+            Disposed = true;
+
             foreach (var client in ApiClients)
                 client.Dispose();
         }
     }
-
-
 }

CryptoExchange.Net/Clients/BaseRestClient.cs

@@ -1,25 +1,28 @@
 using System.Linq;
-using CryptoExchange.Net.Interfaces;
+using CryptoExchange.Net.Interfaces.Clients;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Logging.Abstractions;
 
-namespace CryptoExchange.Net.Clients;
+namespace CryptoExchange.Net.Clients
-
-/// <summary>
-/// Base rest client
-/// </summary>
-public abstract class BaseRestClient : BaseClient, IRestClient
 {
-    /// <inheritdoc />
-    public int TotalRequestsMade => ApiClients.OfType<RestApiClient>().Sum(s => s.TotalRequestsMade);
-
     /// <summary>
-    /// ctor
+    /// Base rest client
     /// </summary>
-    /// <param name="loggerFactory">Logger factory</param>
+    public abstract class BaseRestClient : BaseClient, IRestClient
-    /// <param name="name">The name of the API this client is for</param>
-    protected BaseRestClient(ILoggerFactory? loggerFactory, string name) : base(loggerFactory, name)
     {
-        _logger = loggerFactory?.CreateLogger(name + ".RestClient") ?? NullLoggerFactory.Instance.CreateLogger(name);
+        /// <inheritdoc />
+        public int TotalRequestsMade => ApiClients.OfType<RestApiClient>().Sum(s => s.TotalRequestsMade);
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="loggerFactory">Logger factory</param>
+        /// <param name="name">The name of the API this client is for</param>
+        protected BaseRestClient(ILoggerFactory? loggerFactory, string name) : base(loggerFactory, name)
+        {
+            _logger = loggerFactory?.CreateLogger(name + ".RestClient") ?? NullLoggerFactory.Instance.CreateLogger(name);
+
+            LibraryHelpers.StaticLogger = loggerFactory?.CreateLogger("CryptoExchange");
+        }
     }
 }

CryptoExchange.Net/Clients/BaseSocketClient.cs

@@ -1,130 +1,137 @@
+using CryptoExchange.Net.Interfaces.Clients;
+using CryptoExchange.Net.Logging.Extensions;
+using CryptoExchange.Net.Objects.Options;
+using CryptoExchange.Net.Objects.Sockets;
+using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
 using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
-using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Logging.Extensions;
-using CryptoExchange.Net.Objects.Sockets;
-using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Logging.Abstractions;
 
-namespace CryptoExchange.Net.Clients;
+namespace CryptoExchange.Net.Clients
-
-/// <summary>
-/// Base for socket client implementations
-/// </summary>
-public abstract class BaseSocketClient : BaseClient, ISocketClient
 {
-    #region fields
-
     /// <summary>
-    /// If client is disposing
+    /// Base for socket client implementations
     /// </summary>
-    protected bool _disposing;
+    public abstract class BaseSocketClient : BaseClient, ISocketClient
-
-    /// <inheritdoc />
-    public int CurrentConnections => ApiClients.OfType<SocketApiClient>().Sum(c => c.CurrentConnections);
-    /// <inheritdoc />
-    public int CurrentSubscriptions => ApiClients.OfType<SocketApiClient>().Sum(s => s.CurrentSubscriptions);
-    /// <inheritdoc />
-    public double IncomingKbps => ApiClients.OfType<SocketApiClient>().Sum(s => s.IncomingKbps);
-    #endregion
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    /// <param name="loggerFactory">Logger factory</param>
-    /// <param name="name">The name of the exchange this client is for</param>
-    protected BaseSocketClient(ILoggerFactory? loggerFactory, string name) : base(loggerFactory, name)
     {
-        _logger = loggerFactory?.CreateLogger(name + ".SocketClient") ?? NullLoggerFactory.Instance.CreateLogger(name);
+        #region fields
-    }
 
-    /// <summary>
+        /// <summary>
-    /// Unsubscribe an update subscription
+        /// If client is disposing
-    /// </summary>
+        /// </summary>
-    /// <param name="subscriptionId">The id of the subscription to unsubscribe</param>
+        protected bool _disposing;
-    /// <returns></returns>
+
-    public virtual async Task UnsubscribeAsync(int subscriptionId)
+        /// <inheritdoc />
-    {
+        public int CurrentConnections => ApiClients.OfType<SocketApiClient>().Sum(c => c.CurrentConnections);
-        foreach (var socket in ApiClients.OfType<SocketApiClient>())
+        /// <inheritdoc />
+        public int CurrentSubscriptions => ApiClients.OfType<SocketApiClient>().Sum(s => s.CurrentSubscriptions);
+        /// <inheritdoc />
+        public double IncomingKbps => ApiClients.OfType<SocketApiClient>().Sum(s => s.IncomingKbps);
+
+        /// <inheritdoc />
+        public new SocketExchangeOptions ClientOptions => (SocketExchangeOptions)base.ClientOptions;
+        #endregion
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="loggerFactory">Logger factory</param>
+        /// <param name="name">The name of the exchange this client is for</param>
+        protected BaseSocketClient(ILoggerFactory? loggerFactory, string name) : base(loggerFactory, name)
         {
-            var result = await socket.UnsubscribeAsync(subscriptionId).ConfigureAwait(false);
+            _logger = loggerFactory?.CreateLogger(name + ".SocketClient") ?? NullLoggerFactory.Instance.CreateLogger(name);
-            if (result)
-                break;
-        }
-    }
 
-    /// <summary>
+            LibraryHelpers.StaticLogger = loggerFactory?.CreateLogger("CryptoExchange");
-    /// Unsubscribe an update subscription
-    /// </summary>
-    /// <param name="subscription">The subscription to unsubscribe</param>
-    /// <returns></returns>
-    public virtual async Task UnsubscribeAsync(UpdateSubscription subscription)
-    {
-        if (subscription == null)
-            throw new ArgumentNullException(nameof(subscription));
-
-        _logger.UnsubscribingSubscription(subscription.SocketId, subscription.Id);
-        await subscription.CloseAsync().ConfigureAwait(false);
-    }
-
-    /// <summary>
-    /// Unsubscribe all subscriptions
-    /// </summary>
-    /// <returns></returns>
-    public virtual async Task UnsubscribeAllAsync()
-    {
-        var tasks = new List<Task>();
-        foreach (var client in ApiClients.OfType<SocketApiClient>())
-            tasks.Add(client.UnsubscribeAllAsync());
-
-        await Task.WhenAll(tasks.ToArray()).ConfigureAwait(false);
-    }
-
-    /// <summary>
-    /// Reconnect all connections
-    /// </summary>
-    /// <returns></returns>
-    public virtual async Task ReconnectAsync()
-    {
-        _logger.ReconnectingAllConnections(CurrentConnections);
-        var tasks = new List<Task>();
-        foreach (var client in ApiClients.OfType<SocketApiClient>())
-        {
-            tasks.Add(client.ReconnectAsync());
         }
 
-        await Task.WhenAll(tasks.ToArray()).ConfigureAwait(false);
+        /// <summary>
-    }
+        /// Unsubscribe an update subscription
-
+        /// </summary>
-    /// <summary>
+        /// <param name="subscriptionId">The id of the subscription to unsubscribe</param>
-    /// Log the current state of connections and subscriptions
+        /// <returns></returns>
-    /// </summary>
+        public virtual async Task UnsubscribeAsync(int subscriptionId)
-    public string GetSubscriptionsState()
-    {
-        var result = new StringBuilder();
-        foreach (var client in ApiClients.OfType<SocketApiClient>().Where(c => c.CurrentSubscriptions > 0))
         {
-            result.AppendLine(client.GetSubscriptionsState());
+            foreach (var socket in ApiClients.OfType<SocketApiClient>())
+            {
+                var result = await socket.UnsubscribeAsync(subscriptionId).ConfigureAwait(false);
+                if (result)
+                    break;
+            }
         }
 
-        return result.ToString();
+        /// <summary>
-    }
+        /// Unsubscribe an update subscription
-
+        /// </summary>
-    /// <summary>
+        /// <param name="subscription">The subscription to unsubscribe</param>
-    /// Returns the state of all socket api clients
+        /// <returns></returns>
-    /// </summary>
+        public virtual async Task UnsubscribeAsync(UpdateSubscription subscription)
-    /// <returns></returns>
-    public List<SocketApiClient.SocketApiClientState> GetSocketApiClientStates()
-    {
-        var result = new List<SocketApiClient.SocketApiClientState>();
-        foreach (var client in ApiClients.OfType<SocketApiClient>())
         {
-            result.Add(client.GetState());
+            if (subscription == null)
+                throw new ArgumentNullException(nameof(subscription));
+
+            _logger.UnsubscribingSubscription(subscription.SocketId, subscription.Id);
+            await subscription.CloseAsync().ConfigureAwait(false);
         }
 
-        return result;
+        /// <summary>
+        /// Unsubscribe all subscriptions
+        /// </summary>
+        /// <returns></returns>
+        public virtual async Task UnsubscribeAllAsync()
+        {
+            var tasks = new List<Task>();
+            foreach (var client in ApiClients.OfType<SocketApiClient>())
+                tasks.Add(client.UnsubscribeAllAsync());
+
+            await Task.WhenAll(tasks.ToArray()).ConfigureAwait(false);
+        }
+
+        /// <summary>
+        /// Reconnect all connections
+        /// </summary>
+        /// <returns></returns>
+        public virtual async Task ReconnectAsync()
+        {
+            _logger.ReconnectingAllConnections(CurrentConnections);
+            var tasks = new List<Task>();
+            foreach (var client in ApiClients.OfType<SocketApiClient>())
+            {
+                tasks.Add(client.ReconnectAsync());
+            }
+
+            await Task.WhenAll(tasks.ToArray()).ConfigureAwait(false);
+        }
+
+        /// <summary>
+        /// Log the current state of connections and subscriptions
+        /// </summary>
+        public string GetSubscriptionsState()
+        {
+            var result = new StringBuilder();
+            foreach (var client in ApiClients.OfType<SocketApiClient>().Where(c => c.CurrentSubscriptions > 0))
+            {
+                result.AppendLine(client.GetSubscriptionsState());
+            }
+
+            return result.ToString();
+        }
+
+        /// <summary>
+        /// Returns the state of all socket api clients
+        /// </summary>
+        /// <returns></returns>
+        public List<SocketApiClient.SocketApiClientState> GetSocketApiClientStates()
+        {
+            var result = new List<SocketApiClient.SocketApiClientState>();
+            foreach (var client in ApiClients.OfType<SocketApiClient>())
+            {
+                result.Add(client.GetState());
+            }
+
+            return result;
+        }
     }
 }

CryptoExchange.Net/Clients/CryptoBaseClient.cs

@@ -1,78 +1,67 @@
-using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.DependencyInjection;
 using System;
 using System.Collections.Generic;
 
-namespace CryptoExchange.Net.Clients;
+namespace CryptoExchange.Net.Clients
-
-/// <summary>
-/// Base crypto client
-/// </summary>
-public class CryptoBaseClient : IDisposable
 {
-    private readonly Dictionary<Type, object> _serviceCache = new Dictionary<Type, object>();
-
     /// <summary>
-    /// Service provider
+    /// Base crypto client
     /// </summary>
-    protected readonly IServiceProvider? _serviceProvider;
+    public class CryptoBaseClient : IDisposable
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    public CryptoBaseClient() { }
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    /// <param name="serviceProvider"></param>
-    public CryptoBaseClient(IServiceProvider serviceProvider)
     {
-        _serviceProvider = serviceProvider;
+        private readonly Dictionary<Type, object> _serviceCache = new Dictionary<Type, object>();
-        _serviceCache = new Dictionary<Type, object>();
-    }
 
-    /// <summary>
+        /// <summary>
-    /// Try get a client by type for the service collection
+        /// Service provider
-    /// </summary>
+        /// </summary>
-    /// <typeparam name="T"></typeparam>
+        protected readonly IServiceProvider? _serviceProvider;
-    /// <returns></returns>
-    public T TryGet<T>(Func<T> createFunc)
-    {
-        var type = typeof(T);
-        if (_serviceCache.TryGetValue(type, out var value))
-            return (T)value;
 
-        if (_serviceProvider == null)
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public CryptoBaseClient() { }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="serviceProvider"></param>
+        public CryptoBaseClient(IServiceProvider serviceProvider)
         {
-            // Create with default options
+            _serviceProvider = serviceProvider;
-            var createResult = createFunc();
+            _serviceCache = new Dictionary<Type, object>();
-            _serviceCache.Add(typeof(T), createResult!);
-            return createResult;
         }
 
-        var result = _serviceProvider.GetService<T>() 
+        /// <summary>
-            ?? throw new InvalidOperationException($"No service was found for {typeof(T).Name}, make sure the exchange is registered in dependency injection with the `services.Add[Exchange]()` method");
+        /// Try get a client by type for the service collection
-        _serviceCache.Add(type, result!);
+        /// </summary>
-        return result;
+        /// <typeparam name="T"></typeparam>
-    }
+        /// <returns></returns>
+        public T TryGet<T>(Func<T> createFunc)
+        {
+            var type = typeof(T);
+            if (_serviceCache.TryGetValue(type, out var value))
+                return (T)value;
 
-    /// <summary>
+            if (_serviceProvider == null)
-    /// Dispose
+            {
-    /// </summary>
+                // Create with default options
-    public void Dispose(bool disposing)
+                var createResult = createFunc();
-    {
+                _serviceCache.Add(typeof(T), createResult!);
-        if (disposing)
+                return createResult;
+            }
+
+            var result = _serviceProvider.GetService<T>() 
+                ?? throw new InvalidOperationException($"No service was found for {typeof(T).Name}, make sure the exchange is registered in dependency injection with the `services.Add[Exchange]()` method");
+            _serviceCache.Add(type, result!);
+            return result;
+        }
+
+        /// <summary>
+        /// Dispose
+        /// </summary>
+        public void Dispose()
         {
             _serviceCache.Clear();
         }
     }
-
-    /// <summary>
-    /// Dispose
-    /// </summary>
-    public void Dispose()
-    {
-        Dispose(true);
-        GC.SuppressFinalize(this);
-    }
 }

CryptoExchange.Net/Clients/CryptoRestClient.cs

@@ -1,23 +1,24 @@
-using CryptoExchange.Net.Interfaces;
+using CryptoExchange.Net.Interfaces.Clients;
 using System;
 
-namespace CryptoExchange.Net.Clients;
+namespace CryptoExchange.Net.Clients
-
-/// <inheritdoc />
-public class CryptoRestClient : CryptoBaseClient, ICryptoRestClient
 {
-    /// <summary>
+    /// <inheritdoc />
-    /// ctor
+    public class CryptoRestClient : CryptoBaseClient, ICryptoRestClient
-    /// </summary>
-    public CryptoRestClient()
     {
-    }
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public CryptoRestClient()
+        {
+        }
 
-    /// <summary>
+        /// <summary>
-    /// ctor
+        /// ctor
-    /// </summary>
+        /// </summary>
-    /// <param name="serviceProvider"></param>
+        /// <param name="serviceProvider"></param>
-    public CryptoRestClient(IServiceProvider serviceProvider) : base(serviceProvider)
+        public CryptoRestClient(IServiceProvider serviceProvider) : base(serviceProvider)
-    {
+        {
+        }
     }
 }

CryptoExchange.Net/Clients/CryptoSocketClient.cs

@@ -1,23 +1,24 @@
-using CryptoExchange.Net.Interfaces;
+using CryptoExchange.Net.Interfaces.Clients;
 using System;
 
-namespace CryptoExchange.Net.Clients;
+namespace CryptoExchange.Net.Clients
-
-/// <inheritdoc />
-public class CryptoSocketClient : CryptoBaseClient, ICryptoSocketClient
 {
-    /// <summary>
+    /// <inheritdoc />
-    /// ctor
+    public class CryptoSocketClient : CryptoBaseClient, ICryptoSocketClient
-    /// </summary>
-    public CryptoSocketClient()
     {
-    }
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public CryptoSocketClient()
+        {
+        }
 
-    /// <summary>
+        /// <summary>
-    /// ctor
+        /// ctor
-    /// </summary>
+        /// </summary>
-    /// <param name="serviceProvider"></param>
+        /// <param name="serviceProvider"></param>
-    public CryptoSocketClient(IServiceProvider serviceProvider) : base(serviceProvider)
+        public CryptoSocketClient(IServiceProvider serviceProvider) : base(serviceProvider)
-    {
+        {
+        }
     }
 }

CryptoExchange.Net/Converters/ArrayPropertyAttribute.cs

@@ -1,24 +1,25 @@
-using System;
+using System;
 
-namespace CryptoExchange.Net.Converters;
+namespace CryptoExchange.Net.Converters
-
-/// <summary>
-/// Mark property as an index in the array
-/// </summary>
-[AttributeUsage(AttributeTargets.Property)]
-public class ArrayPropertyAttribute : Attribute
 {
     /// <summary>
-    /// The index in the array
+    /// Mark property as an index in the array
     /// </summary>
-    public int Index { get; }
+    [AttributeUsage(AttributeTargets.Property)]
-
+    public class ArrayPropertyAttribute : Attribute
-    /// <summary>
-    /// ctor
-    /// </summary>
-    /// <param name="index"></param>
-    public ArrayPropertyAttribute(int index)
     {
-        Index = index;
+        /// <summary>
+        /// The index in the array
+        /// </summary>
+        public int Index { get; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="index"></param>
+        public ArrayPropertyAttribute(int index)
+        {
+            Index = index;
+        }
     }
 }

CryptoExchange.Net/Converters/JsonSerializerContextCache.cs

@@ -1,28 +1,29 @@
-using System;
+using System;
 using System.Collections.Concurrent;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters;
+namespace CryptoExchange.Net.Converters
-
-/// <summary>
-/// Caching for JsonSerializerContext instances
-/// </summary>
-public static class JsonSerializerContextCache
 {
-    private static ConcurrentDictionary<Type, JsonSerializerContext> _cache = new ConcurrentDictionary<Type, JsonSerializerContext>();
-
     /// <summary>
-    /// Get the instance of the provided type T. It will be created if it doesn't exist yet.
+    /// Caching for JsonSerializerContext instances
     /// </summary>
-    /// <typeparam name="T">Implementation type of the JsonSerializerContext</typeparam>
+    public static class JsonSerializerContextCache
-    public static JsonSerializerContext GetOrCreate<T>() where T: JsonSerializerContext, new()
     {
-        var contextType = typeof(T);
+        private static ConcurrentDictionary<Type, JsonSerializerContext> _cache = new ConcurrentDictionary<Type, JsonSerializerContext>();
-        if (_cache.TryGetValue(contextType, out var context))
-            return context;
 
-        var instance = new T();
+        /// <summary>
-        _cache[contextType] = instance;
+        /// Get the instance of the provided type T. It will be created if it doesn't exist yet.
-        return instance;
+        /// </summary>
+        /// <typeparam name="T">Implementation type of the JsonSerializerContext</typeparam>
+        public static JsonSerializerContext GetOrCreate<T>() where T: JsonSerializerContext, new()
+        {
+            var contextType = typeof(T);
+            if (_cache.TryGetValue(contextType, out var context))
+                return context;
+
+            var instance = new T();
+            _cache[contextType] = instance;
+            return instance;
+        }
     }
 }

CryptoExchange.Net/Converters/MessageParsing/DynamicConverters/IRestMessageHandler.cs

@@ -0,0 +1,64 @@
+using CryptoExchange.Net.Objects;
+using System.IO;
+using System.Net.Http.Headers;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace CryptoExchange.Net.Converters.MessageParsing.DynamicConverters
+{
+    /// <summary>
+    /// REST message handler
+    /// </summary>
+    public interface IRestMessageHandler
+    {
+        /// <summary>
+        /// The `accept` HTTP response header for the request
+        /// </summary>
+        MediaTypeWithQualityHeaderValue AcceptHeader { get; }
+
+        /// <summary>
+        /// Whether a seekable stream is required
+        /// </summary>
+        bool RequiresSeekableStream { get; }
+
+        /// <summary>
+        /// Parse the response when the HTTP response status indicated an error
+        /// </summary>
+        ValueTask<Error> ParseErrorResponse(
+            int httpStatusCode,
+            HttpResponseHeaders responseHeaders,
+            Stream responseStream);
+
+        /// <summary>
+        /// Parse the response when the HTTP response status indicated a rate limit error
+        /// </summary>
+        ValueTask<ServerRateLimitError> ParseErrorRateLimitResponse(
+            int httpStatusCode,
+            HttpResponseHeaders responseHeaders,
+            Stream responseStream);
+
+        /// <summary>
+        /// Check if the response is an error response; if so return the error.<br />
+        /// Note that if the API returns a standard result wrapper, something like this:
+        /// <code>{ "code": 400, "msg": "error", "data": {} }</code> 
+        /// then the `CheckDeserializedResponse` method should be used for checking the result
+        /// </summary>
+        ValueTask<Error?> CheckForErrorResponse(
+            RequestDefinition request,
+            HttpResponseHeaders responseHeaders,
+            Stream responseStream);
+
+        /// <summary>
+        /// Deserialize the response stream
+        /// </summary>
+        ValueTask<(T? Result, Error? Error)> TryDeserializeAsync<T>(
+            Stream responseStream,
+            CancellationToken ct);
+
+        /// <summary>
+        /// Check whether the resulting T object indicates an error or not
+        /// </summary>
+        Error? CheckDeserializedResponse<T>(HttpResponseHeaders responseHeaders, T result);
+    }
+
+}

CryptoExchange.Net/Converters/MessageParsing/DynamicConverters/ISocketMessageHandler.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Net.WebSockets;
+
+namespace CryptoExchange.Net.Converters.MessageParsing.DynamicConverters
+{
+    /// <summary>
+    /// WebSocket message handler
+    /// </summary>
+    public interface ISocketMessageHandler
+    {
+        /// <summary>
+        /// Get an identifier for the message which can be used to determine the type of the message
+        /// </summary>
+        string? GetTypeIdentifier(ReadOnlySpan<byte> data, WebSocketMessageType? webSocketMessageType);
+
+        /// <summary>
+        /// Get optional topic filter, for example a symbol name
+        /// </summary>
+        string? GetTopicFilter(object deserializedObject);
+
+        /// <summary>
+        /// Deserialize to the provided type
+        /// </summary>
+        object Deserialize(ReadOnlySpan<byte> data, Type type);
+    }
+
+}

CryptoExchange.Net/Converters/MessageParsing/DynamicConverters/MessageConverterTypes.cs

@@ -0,0 +1,46 @@
+using System;
+
+namespace CryptoExchange.Net.Converters.MessageParsing.DynamicConverters
+{
+    /// <summary>
+    /// Message type definition
+    /// </summary>
+    public class MessageTypeDefinition
+    {
+        /// <summary>
+        /// Whether to immediately select the definition when it is matched. Can only be used when the evaluator has a single unique field to look for
+        /// </summary>
+        public bool ForceIfFound { get; set; }
+        /// <summary>
+        /// The fields a message needs to contain for this definition
+        /// </summary>
+        public MessageFieldReference[] Fields { get; set; } = [];
+        /// <summary>
+        /// The callback for getting the identifier string
+        /// </summary>
+        public Func<SearchResult, string>? TypeIdentifierCallback { get; set; }
+        /// <summary>
+        /// The static identifier string to return when this evaluator is matched
+        /// </summary>
+        public string? StaticIdentifier { get; set; }
+        
+        internal string? GetMessageType(SearchResult result)
+        {
+            if (StaticIdentifier != null)
+                return StaticIdentifier;
+
+            return TypeIdentifierCallback!(result);
+        }
+
+        internal bool Satisfied(SearchResult result)
+        {
+            foreach(var field in Fields)
+            {
+                if (!result.Contains(field))
+                    return false;
+            }
+
+            return true;
+        }
+    }
+}

CryptoExchange.Net/Converters/MessageParsing/DynamicConverters/MessageEvalutorFieldReference.cs

@@ -0,0 +1,15 @@
+namespace CryptoExchange.Net.Converters.MessageParsing.DynamicConverters
+{
+    internal class MessageEvalutorFieldReference
+    {
+        public bool SkipReading { get; set; }
+        public bool OverlappingField { get; set; }
+        public MessageFieldReference Field { get; set; }
+        public MessageTypeDefinition? ForceEvaluator { get; set; }
+
+        public MessageEvalutorFieldReference(MessageFieldReference field)
+        {
+            Field = field;
+        }
+    }
+}

CryptoExchange.Net/Converters/MessageParsing/DynamicConverters/MessageFieldReference.cs

@@ -0,0 +1,152 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CryptoExchange.Net.Converters.MessageParsing.DynamicConverters
+{
+    /// <summary>
+    /// Reference to a message field
+    /// </summary>
+    public abstract class MessageFieldReference
+    {
+        /// <summary>
+        /// The name for this search field
+        /// </summary>
+        public string SearchName { get; set; }
+        /// <summary>
+        /// The depth at which to look for this field
+        /// </summary>
+        public int Depth { get; set; } = 1;
+        /// <summary>
+        /// Callback to check if the field value matches an expected constraint
+        /// </summary>
+        public Func<string?, bool>? Constraint { get; private set; }
+
+        /// <summary>
+        /// Check whether the value is one of the string values in the set
+        /// </summary>
+        public MessageFieldReference WithFilterConstraint(HashSet<string?> set)
+        {
+            Constraint = set.Contains;
+            return this;
+        }
+
+        /// <summary>
+        /// Check whether the value is equal to a string
+        /// </summary>
+        public MessageFieldReference WithEqualConstraint(string compare)
+        {
+            Constraint = x => x != null && x.Equals(compare, StringComparison.Ordinal);
+            return this;
+        }
+
+        /// <summary>
+        /// Check whether the value is not equal to a string
+        /// </summary>
+        public MessageFieldReference WithNotEqualConstraint(string compare)
+        {
+            Constraint = x => x == null || !x.Equals(compare, StringComparison.Ordinal);
+            return this;
+        }
+
+        /// <summary>
+        /// Check whether the value is not null
+        /// </summary>
+        public MessageFieldReference WithNotNullConstraint()
+        {
+            Constraint = x => x != null;
+            return this;
+        }
+
+        /// <summary>
+        /// Check whether the value starts with a certain string
+        /// </summary>
+        public MessageFieldReference WithStartsWithConstraint(string start)
+        {
+            Constraint = x => x != null && x.StartsWith(start, StringComparison.Ordinal);
+            return this;
+        }
+
+        /// <summary>
+        /// Check whether the value starts with a certain string
+        /// </summary>
+        public MessageFieldReference WithStartsWithConstraints(params string[] startValues)
+        {
+            Constraint = x =>
+            {
+                if (x == null)
+                    return false;
+
+                foreach (var item in startValues)
+                {
+                    if (x!.StartsWith(item, StringComparison.Ordinal))
+                        return true;
+                }
+
+                return false;
+            };
+            return this;
+        }
+
+        /// <summary>
+        /// Check whether the value starts with a certain string
+        /// </summary>
+        public MessageFieldReference WithCustomConstraint(Func<string?, bool> constraint)
+        {
+            Constraint = constraint;
+            return this;
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public MessageFieldReference(string searchName)
+        {
+            SearchName = searchName;
+        }
+    }
+
+    /// <summary>
+    /// Reference to a property message field
+    /// </summary>
+    public class PropertyFieldReference : MessageFieldReference
+    {
+        /// <summary>
+        /// The property name in the JSON
+        /// </summary>
+        public byte[] PropertyName { get; set; }
+        /// <summary>
+        /// Whether the property value is array values
+        /// </summary>
+        public bool ArrayValues { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public PropertyFieldReference(string propertyName) : base(propertyName)
+        {
+            PropertyName = Encoding.UTF8.GetBytes(propertyName);
+        }
+    }
+
+    /// <summary>
+    /// Reference to an array message field
+    /// </summary>
+    public class ArrayFieldReference : MessageFieldReference
+    {
+        /// <summary>
+        /// The index in the array
+        /// </summary>
+        public int ArrayIndex { get; set; }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ArrayFieldReference(string searchName, int depth, int index) : base(searchName)
+        {
+            Depth = depth;
+            ArrayIndex = index;
+        }
+    }
+
+}

CryptoExchange.Net/Converters/MessageParsing/DynamicConverters/SearchResult.cs

@@ -0,0 +1,60 @@
+using System;
+using System.Collections.Generic;
+
+namespace CryptoExchange.Net.Converters.MessageParsing.DynamicConverters
+{
+    /// <summary>
+    /// The results of a search for fields in a JSON message
+    /// </summary>
+    public class SearchResult
+    {
+        private List<SearchResultItem> _items = new List<SearchResultItem>();
+
+        /// <summary>
+        /// Get the value of a field
+        /// </summary>
+        public string? FieldValue(string searchName)
+        {
+            foreach (var item in _items)
+            {
+                if (item.Field.SearchName.Equals(searchName, StringComparison.Ordinal))
+                    return item.Value;
+            }
+
+            throw new Exception($"No field value found for {searchName}");
+        }
+
+        /// <summary>
+        /// The number of found search field values
+        /// </summary>
+        public int Count => _items.Count;
+
+        /// <summary>
+        /// Clear the search result
+        /// </summary>
+        public void Clear() => _items.Clear();
+
+        /// <summary>
+        /// Whether the value for a specific field was found
+        /// </summary>
+        public bool Contains(MessageFieldReference field)
+        {
+            foreach (var item in _items)
+            {
+                if (item.Field == field)
+                    return true;
+            }
+
+            return false;
+        }
+
+        /// <summary>
+        /// Write a value to the result
+        /// </summary>
+        public void Write(MessageFieldReference field, string? value) => _items.Add(new SearchResultItem
+        {
+            Field = field,
+            Value = value
+        });
+    }
+}

CryptoExchange.Net/Converters/MessageParsing/DynamicConverters/SearchResultItem.cs

@@ -0,0 +1,17 @@
+namespace CryptoExchange.Net.Converters.MessageParsing.DynamicConverters
+{
+    /// <summary>
+    /// Search result value
+    /// </summary>
+    public struct SearchResultItem
+    {
+        /// <summary>
+        /// The field the values is for
+        /// </summary>
+        public MessageFieldReference Field { get; set; }
+        /// <summary>
+        /// The value of the field
+        /// </summary>
+        public string? Value { get; set; }
+    }
+}

CryptoExchange.Net/Converters/MessageParsing/MessageNode.cs

@@ -1,48 +0,0 @@
-namespace CryptoExchange.Net.Converters.MessageParsing;
-
-/// <summary>
-/// Node accessor
-/// </summary>
-public readonly struct NodeAccessor
-{
-    /// <summary>
-    /// Index
-    /// </summary>
-    public int? Index { get; }
-    /// <summary>
-    /// Property name
-    /// </summary>
-    public string? Property { get; }
-
-    /// <summary>
-    /// Type (0 = int, 1 = string, 2 = prop name)
-    /// </summary>
-    public int Type { get; }
-
-    private NodeAccessor(int? index, string? property, int type)
-    {
-        Index = index;
-        Property = property;
-        Type = type;
-    }
-
-    /// <summary>
-    /// Create an int node accessor
-    /// </summary>
-    /// <param name="value"></param>
-    /// <returns></returns>
-    public static NodeAccessor Int(int value) { return new NodeAccessor(value, null, 0); }
-
-    /// <summary>
-    /// Create a string node accessor
-    /// </summary>
-    /// <param name="value"></param>
-    /// <returns></returns>
-    public static NodeAccessor String(string value) { return new NodeAccessor(null, value, 1); }
-
-    /// <summary>
-    /// Create a property name node accessor
-    /// </summary>
-    /// <returns></returns>
-    public static NodeAccessor PropertyName() { return new NodeAccessor(null, null, 2); }
-}

CryptoExchange.Net/Converters/MessageParsing/MessagePath.cs

@@ -1,49 +0,0 @@
-using System.Collections;
-using System.Collections.Generic;
-
-namespace CryptoExchange.Net.Converters.MessageParsing;
-
-/// <summary>
-/// Message access definition
-/// </summary>
-public readonly struct MessagePath : IEnumerable<NodeAccessor>
-{
-    private readonly List<NodeAccessor> _path;
-
-    internal void Add(NodeAccessor node)
-    {
-        _path.Add(node);
-    }
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    public MessagePath()
-    {
-        _path = new List<NodeAccessor>();
-    }
-
-    /// <summary>
-    /// Create a new message path
-    /// </summary>
-    /// <returns></returns>
-    public static MessagePath Get()
-    {
-        return new MessagePath();
-    }
-
-    /// <summary>
-    /// IEnumerable implementation
-    /// </summary>
-    /// <returns></returns>
-    public IEnumerator<NodeAccessor> GetEnumerator()
-    {
-        for (var i = 0; i < _path.Count; i++)
-            yield return _path[i];
-    }
-
-    IEnumerator IEnumerable.GetEnumerator()
-    {
-        return GetEnumerator();
-    }
-}

CryptoExchange.Net/Converters/MessageParsing/MessagePathExtension.cs

@@ -1,42 +0,0 @@
-namespace CryptoExchange.Net.Converters.MessageParsing;
-
-/// <summary>
-/// Message path extension methods
-/// </summary>
-public static class MessagePathExtension
-{
-    /// <summary>
-    /// Add a string node accessor
-    /// </summary>
-    /// <param name="path"></param>
-    /// <param name="propName"></param>
-    /// <returns></returns>
-    public static MessagePath Property(this MessagePath path, string propName)
-    {
-        path.Add(NodeAccessor.String(propName));
-        return path;
-    }
-
-    /// <summary>
-    /// Add a property name node accessor
-    /// </summary>
-    /// <param name="path"></param>
-    /// <returns></returns>
-    public static MessagePath PropertyName(this MessagePath path)
-    {
-        path.Add(NodeAccessor.PropertyName());
-        return path;
-    }
-
-    /// <summary>
-    /// Add a int node accessor
-    /// </summary>
-    /// <param name="path"></param>
-    /// <param name="index"></param>
-    /// <returns></returns>
-    public static MessagePath Index(this MessagePath path, int index)
-    {
-        path.Add(NodeAccessor.Int(index));
-        return path;
-    }
-}

CryptoExchange.Net/Converters/MessageParsing/NodeType.cs

@@ -1,20 +0,0 @@
-namespace CryptoExchange.Net.Converters.MessageParsing;
-
-/// <summary>
-/// Message node type
-/// </summary>
-public enum NodeType
-{
-    /// <summary>
-    /// Array node
-    /// </summary>
-    Array,
-    /// <summary>
-    /// Object node
-    /// </summary>
-    Object,
-    /// <summary>
-    /// Value node
-    /// </summary>
-    Value
-}

CryptoExchange.Net/Converters/SystemTextJson/ArrayConverter.cs

@@ -1,232 +1,246 @@
+using CryptoExchange.Net.Exceptions;
 using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
-using System.Text.Json.Serialization;
 using System.Text.Json;
-using System.Collections.Generic;
+using System.Text.Json.Serialization;
-#if NET5_0_OR_GREATER
-using System.Diagnostics.CodeAnalysis;
-#endif
 using System.Threading;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Converter for arrays to objects. Can deserialize data like [0.1, 0.2, "test"] to an object. Mapping is done by marking the class with [JsonConverter(typeof(ArrayConverter))] and the properties
-/// with [ArrayProperty(x)] where x is the index of the property in the array
-/// </summary>
-#if NET5_0_OR_GREATER
-public class ArrayConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties)] T> : JsonConverter<T> where T : new()
-#else
-public class ArrayConverter<T> : JsonConverter<T> where T : new()
-#endif
 {
-    private static readonly Lazy<List<ArrayPropertyInfo>> _typePropertyInfo = new Lazy<List<ArrayPropertyInfo>>(CacheTypeAttributes, LazyThreadSafetyMode.PublicationOnly);
+    /// <summary>
-    
+    /// Converter for arrays to objects. Can deserialize data like [0.1, 0.2, "test"] to an object. Mapping is done by marking the class with [JsonConverter(typeof(ArrayConverter))] and the properties
-    /// <inheritdoc />
+    /// with [ArrayProperty(x)] where x is the index of the property in the array
+    /// </summary>
 #if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+    public class ArrayConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties)] T> : JsonConverter<T> where T : new()
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-    public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
-    {
-        if (value == null)
-        {
-            writer.WriteNullValue();
-            return;
-        }
-
-        writer.WriteStartArray();
-
-        var ordered = _typePropertyInfo.Value.Where(x => x.ArrayProperty != null).OrderBy(p => p.ArrayProperty.Index);
-        var last = -1;
-        foreach (var prop in ordered)
-        {
-            if (prop.ArrayProperty.Index == last)
-                continue;
-
-            while (prop.ArrayProperty.Index != last + 1)
-            {
-                writer.WriteNullValue();
-                last += 1;
-            }
-
-            last = prop.ArrayProperty.Index;
-
-            var objValue = prop.PropertyInfo.GetValue(value);
-            if (objValue == null)
-            {
-                writer.WriteNullValue();
-                continue;
-            }
-
-            JsonSerializerOptions? typeOptions = null;
-            if (prop.JsonConverter != null)
-            {
-                typeOptions = new JsonSerializerOptions
-                {
-                    NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
-                    PropertyNameCaseInsensitive = false,
-                    TypeInfoResolver = options.TypeInfoResolver,
-                };
-                typeOptions.Converters.Add(prop.JsonConverter);
-            }
-
-            if (prop.JsonConverter == null && IsSimple(prop.PropertyInfo.PropertyType))
-            {
-                if (prop.TargetType == typeof(string))
-                    writer.WriteStringValue(Convert.ToString(objValue, CultureInfo.InvariantCulture));
-                else if (prop.TargetType == typeof(bool))
-                    writer.WriteBooleanValue((bool)objValue);
-                else
-                    writer.WriteRawValue(Convert.ToString(objValue, CultureInfo.InvariantCulture)!);
-            }
-            else
-            {
-                JsonSerializer.Serialize(writer, objValue, typeOptions ?? options);
-            }
-        }
-
-        writer.WriteEndArray();
-    }
-
-    /// <inheritdoc />
-    public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-    {
-        if (reader.TokenType == JsonTokenType.Null)
-            return default;
-
-        var result = new T();
-        return ParseObject(ref reader, result, options);
-    }
-
-
-#if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
 #else
-    private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
+    public class ArrayConverter<T> : JsonConverter<T> where T : new()
 #endif
     {
-        if (reader.TokenType != JsonTokenType.StartArray)
+        private static SortedDictionary<int, List<ArrayPropertyInfo>>? _typePropertyInfo;
-            throw new Exception("Not an array");
 
-        int index = 0;
+        /// <inheritdoc />
-        while (reader.Read())
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
         {
-            if (reader.TokenType == JsonTokenType.EndArray)
+            if (value == null)
-                break;
-
-            var indexAttributes = _typePropertyInfo.Value.Where(a => a.ArrayProperty.Index == index);
-            if (!indexAttributes.Any())
             {
-                index++;
+                writer.WriteNullValue();
-                continue;
+                return;
             }
 
-            foreach (var attribute in indexAttributes)
+            if (_typePropertyInfo == null)
+                _typePropertyInfo = CacheTypeAttributes();
+
+            writer.WriteStartArray();
+            var last = -1;
+            foreach (var indexProps in _typePropertyInfo)
             {
-                var targetType = attribute.TargetType;
+                foreach (var prop in indexProps.Value)
-                object? value = null;
-                if (attribute.JsonConverter != null)
                 {
-                    if (attribute.JsonSerializerOptions == null)
+                    if (prop.ArrayProperty.Index == last)
+                        // Don't write the same index twice
+                        continue;
+
+                    while (prop.ArrayProperty.Index != last + 1)
                     {
-                        attribute.JsonSerializerOptions = new JsonSerializerOptions
+                        writer.WriteNullValue();
+                        last += 1;
+                    }
+
+                    last = prop.ArrayProperty.Index;
+
+                    var objValue = prop.PropertyInfo.GetValue(value);
+                    if (objValue == null)
+                    {
+                        writer.WriteNullValue();
+                        continue;
+                    }
+
+                    JsonSerializerOptions? typeOptions = null;
+                    if (prop.JsonConverter != null)
+                    {
+                        typeOptions = new JsonSerializerOptions
                         {
                             NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
                             PropertyNameCaseInsensitive = false,
-                            Converters = { attribute.JsonConverter },
                             TypeInfoResolver = options.TypeInfoResolver,
                         };
+                        typeOptions.Converters.Add(prop.JsonConverter);
+                    }
+
+                    if (prop.JsonConverter == null && IsSimple(prop.PropertyInfo.PropertyType))
+                    {
+                        if (prop.TargetType == typeof(string))
+                            writer.WriteStringValue(Convert.ToString(objValue, CultureInfo.InvariantCulture));
+                        else if (prop.TargetType == typeof(bool))
+                            writer.WriteBooleanValue((bool)objValue);
+                        else
+                            writer.WriteRawValue(Convert.ToString(objValue, CultureInfo.InvariantCulture)!);
+                    }
+                    else
+                    {
+                        JsonSerializer.Serialize(writer, objValue, typeOptions ?? options);
+                    }
+                }
+            }
+
+            writer.WriteEndArray();
+        }
+
+        /// <inheritdoc />
+        public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            if (reader.TokenType == JsonTokenType.Null)
+                return default;
+
+            var result = new T();
+            return ParseObject(ref reader, result, options);
+        }
+
+
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
+#else
+        private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
+#endif
+        {
+            if (reader.TokenType != JsonTokenType.StartArray)
+                throw new CeDeserializationException("Not an array");
+
+
+            if (_typePropertyInfo == null)
+                _typePropertyInfo = CacheTypeAttributes();
+
+            int index = 0;
+            while (reader.Read())
+            {
+                if (reader.TokenType == JsonTokenType.EndArray)
+                    break;
+
+                if(!_typePropertyInfo.TryGetValue(index, out var indexAttributes))
+                {
+                    index++;
+                    continue;
+                }
+
+                foreach (var attribute in indexAttributes)
+                {
+                    var targetType = attribute.TargetType;
+                    object? value = null;
+                    if (attribute.JsonConverter != null)
+                    {
+                        if (attribute.JsonSerializerOptions == null)
+                        {
+                            attribute.JsonSerializerOptions = new JsonSerializerOptions
+                            {
+                                NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
+                                PropertyNameCaseInsensitive = false,
+                                Converters = { attribute.JsonConverter },
+                                TypeInfoResolver = options.TypeInfoResolver,
+                            };
+                        }
+
+                        var doc = JsonDocument.ParseValue(ref reader);
+                        value = doc.Deserialize(attribute.PropertyInfo.PropertyType, attribute.JsonSerializerOptions);
+                    }
+                    else if (attribute.DefaultDeserialization)
+                    {
+                        value = JsonDocument.ParseValue(ref reader).Deserialize(options.GetTypeInfo(attribute.PropertyInfo.PropertyType));
+                    }
+                    else
+                    {
+                        value = reader.TokenType switch
+                        {
+                            JsonTokenType.Null => null,
+                            JsonTokenType.False => false,
+                            JsonTokenType.True => true,
+                            JsonTokenType.String => reader.GetString(),
+                            JsonTokenType.Number => reader.GetDecimal(),
+                            JsonTokenType.StartObject => JsonSerializer.Deserialize(ref reader, attribute.TargetType, options),
+                            _ => throw new CeDeserializationException($"Array deserialization of type {reader.TokenType} not supported"),
+                        };
                     }
 
-                    var doc = JsonDocument.ParseValue(ref reader);
+                    if (targetType.IsAssignableFrom(value?.GetType()))
-                    value = doc.Deserialize(attribute.PropertyInfo.PropertyType, attribute.JsonSerializerOptions);
+                        attribute.PropertyInfo.SetValue(result, value);
-                }
+                    else
-                else if (attribute.DefaultDeserialization)
+                        attribute.PropertyInfo.SetValue(result, value == null ? null : Convert.ChangeType(value, targetType, CultureInfo.InvariantCulture));
-                {
-                    value = JsonDocument.ParseValue(ref reader).Deserialize(options.GetTypeInfo(attribute.PropertyInfo.PropertyType));
-                }
-                else
-                {
-                    value = reader.TokenType switch
-                    {
-                        JsonTokenType.Null => null,
-                        JsonTokenType.False => false,
-                        JsonTokenType.True => true,
-                        JsonTokenType.String => reader.GetString(),
-                        JsonTokenType.Number => reader.GetDecimal(),
-                        JsonTokenType.StartObject => JsonSerializer.Deserialize(ref reader, attribute.TargetType, options),
-                        _ => throw new NotImplementedException($"Array deserialization of type {reader.TokenType} not supported"),
-                    };
                 }
 
-                if (targetType.IsAssignableFrom(value?.GetType()))
+                index++;
-                    attribute.PropertyInfo.SetValue(result, value);
-                else
-                    attribute.PropertyInfo.SetValue(result, value == null ? null : Convert.ChangeType(value, targetType, CultureInfo.InvariantCulture));
             }
 
-            index++;
+            return result;
         }
 
-        return result;
+        private static bool IsSimple(Type type)
-    }
-
-    private static bool IsSimple(Type type)
-    {
-        if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
         {
-            // nullable type, check if the nested type is simple.
+            if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
-            return IsSimple(type.GetGenericArguments()[0]);
+            {
+                // nullable type, check if the nested type is simple.
+                return IsSimple(type.GetGenericArguments()[0]);
+            }
+            return type.IsPrimitive
+              || type.IsEnum
+              || type == typeof(string)
+              || type == typeof(decimal);
         }
-        return type.IsPrimitive
-          || type.IsEnum
-          || type == typeof(string)
-          || type == typeof(decimal);
-    }
 
 #if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    private static List<ArrayPropertyInfo> CacheTypeAttributes()
+        private static SortedDictionary<int, List<ArrayPropertyInfo>> CacheTypeAttributes()
 #else
-    private static List<ArrayPropertyInfo> CacheTypeAttributes()
+        private static SortedDictionary<int, List<ArrayPropertyInfo>> CacheTypeAttributes()
 #endif
-    {
-        var attributes = new List<ArrayPropertyInfo>();
-        var properties = typeof(T).GetProperties();
-        foreach (var property in properties)
         {
-            var att = property.GetCustomAttribute<ArrayPropertyAttribute>();
+            var result = new SortedDictionary<int, List<ArrayPropertyInfo>>();
-            if (att == null)
+            var properties = typeof(T).GetProperties();
-                continue;
+            foreach (var property in properties)
-
-            var targetType = Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType;
-            var converterType = property.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType ?? targetType.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType;
-            attributes.Add(new ArrayPropertyInfo
             {
-                ArrayProperty = att,
+                var att = property.GetCustomAttribute<ArrayPropertyAttribute>();
-                PropertyInfo = property,
+                if (att == null)
-                DefaultDeserialization = property.GetCustomAttribute<CryptoExchange.Net.Attributes.JsonConversionAttribute>() != null,
+                    continue;
-                JsonConverter = converterType == null ? null : (JsonConverter)Activator.CreateInstance(converterType)!,
+
-                TargetType = targetType
+                var targetType = Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType;
-            });
+                var converterType = property.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType ?? targetType.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType;
+                if (!result.TryGetValue(att.Index, out var indexList))
+                {
+                    indexList = new List<ArrayPropertyInfo>();
+                    result[att.Index] = indexList;
+                }
+
+                indexList.Add(new ArrayPropertyInfo
+                {
+                    ArrayProperty = att,
+                    PropertyInfo = property,
+                    DefaultDeserialization = property.GetCustomAttribute<CryptoExchange.Net.Attributes.JsonConversionAttribute>() != null,
+                    JsonConverter = converterType == null ? null : (JsonConverter)Activator.CreateInstance(converterType)!,
+                    TargetType = targetType
+                });
+            }
+
+            return result;
         }
 
-        return attributes;
+        private class ArrayPropertyInfo
-    }
+        {
-
+            public PropertyInfo PropertyInfo { get; set; } = null!;
-    private class ArrayPropertyInfo
+            public ArrayPropertyAttribute ArrayProperty { get; set; } = null!;
-    {
+            public JsonConverter? JsonConverter { get; set; }
-        public PropertyInfo PropertyInfo { get; set; } = null!;
+            public bool DefaultDeserialization { get; set; }
-        public ArrayPropertyAttribute ArrayProperty { get; set; } = null!;
+            public Type TargetType { get; set; } = null!;
-        public JsonConverter? JsonConverter { get; set; }
+            public JsonSerializerOptions? JsonSerializerOptions { get; set; } = null;
-        public bool DefaultDeserialization { get; set; }
+        }
-        public Type TargetType { get; set; } = null!;
-        public JsonSerializerOptions? JsonSerializerOptions { get; set; }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/BigDecimalConverter.cs

@@ -1,45 +1,46 @@
-using System;
+using System;
 using System.Globalization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Decimal converter that handles overflowing decimal values (by setting it to decimal.MaxValue)
-/// </summary>
-public class BigDecimalConverter : JsonConverter<decimal>
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override decimal Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Decimal converter that handles overflowing decimal values (by setting it to decimal.MaxValue)
+    /// </summary>
+    public class BigDecimalConverter : JsonConverter<decimal>
     {
-        if (reader.TokenType == JsonTokenType.String)
+        /// <inheritdoc />
+        public override decimal Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
+            if (reader.TokenType == JsonTokenType.String)
+            {
+                try
+                {
+                    return decimal.Parse(reader.GetString()!, NumberStyles.Float, CultureInfo.InvariantCulture);
+                }
+                catch(OverflowException)
+                {
+                    // Value doesn't fit decimal, default to max value
+                    return decimal.MaxValue;
+                }
+            }
+
             try
             {
-                return decimal.Parse(reader.GetString()!, NumberStyles.Float, CultureInfo.InvariantCulture);
+                return reader.GetDecimal();
             }
-            catch(OverflowException)
+            catch(FormatException)
             {
-                // Value doesn't fit decimal, default to max value
+                // Format issue, assume value is too large
                 return decimal.MaxValue;
             }
         }
 
-        try
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, decimal value, JsonSerializerOptions options)
         {
-            return reader.GetDecimal();
+            writer.WriteNumberValue(value);
         }
-        catch(FormatException)
-        {
-            // Format issue, assume value is too large
-            return decimal.MaxValue;
-        }
-    }
-
-    /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, decimal value, JsonSerializerOptions options)
-    {
-        writer.WriteNumberValue(value);
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/BoolConverter.cs

@@ -1,34 +1,54 @@
+using Microsoft.Extensions.Logging;
 using System;
-using System.Diagnostics;
 using System.Runtime.Serialization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Bool converter
-/// </summary>
-public class BoolConverter : JsonConverterFactory
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override bool CanConvert(Type typeToConvert)
+    /// Bool converter
+    /// </summary>
+    public class BoolConverter : JsonConverterFactory
     {
-        return typeToConvert == typeof(bool) || typeToConvert == typeof(bool?);
+        /// <inheritdoc />
-    }
+        public override bool CanConvert(Type typeToConvert)
+        {
+            return typeToConvert == typeof(bool) || typeToConvert == typeof(bool?);
+        }
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+        public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
-    {
+        {
-        return typeToConvert == typeof(bool) ? new BoolConverterInner<bool>() : new BoolConverterInner<bool?>();
+            return typeToConvert == typeof(bool) ? new BoolConverterInner() : new BoolConverterInnerNullable();
-    }
+        }
 
-    private class BoolConverterInner<T> : JsonConverter<T>
+        private class BoolConverterInnerNullable : JsonConverter<bool?>
-    {
+        {
-        public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+            public override bool? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-            => (T)((object?)ReadBool(ref reader, typeToConvert, options) ?? default(T))!;
+                => ReadBool(ref reader, typeToConvert, options);
-        
+            
-        public static bool? ReadBool(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+            public override void Write(Utf8JsonWriter writer, bool? value, JsonSerializerOptions options)
+            {
+                if (value is bool boolVal)
+                    writer.WriteBooleanValue(boolVal);
+                else
+                    writer.WriteNullValue();
+            }
+        }
+
+        private class BoolConverterInner : JsonConverter<bool>
+        {
+            public override bool Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+                => ReadBool(ref reader, typeToConvert, options) ?? false;
+
+            public override void Write(Utf8JsonWriter writer, bool value, JsonSerializerOptions options)
+            {
+                writer.WriteBooleanValue(value);
+            }
+        }
+
+        private static bool? ReadBool(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
             if (reader.TokenType == JsonTokenType.True)
                 return true;
@@ -47,7 +67,7 @@ public class BoolConverter : JsonConverterFactory
             if (string.IsNullOrEmpty(value))
             {
                 if (typeToConvert == typeof(bool))
-                    Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Received null bool value, but property type is not a nullable bool");
+                    LibraryHelpers.StaticLogger?.LogWarning("Received null or empty bool value, but property type is not a nullable bool. Resolver: {Resolver}", options.TypeInfoResolver?.GetType()?.Name);
                 return default;
             }
 
@@ -71,13 +91,5 @@ public class BoolConverter : JsonConverterFactory
             throw new SerializationException($"Can't convert bool value {value}");
         }
 
-        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
-        {
-            if (value is bool boolVal)
-                writer.WriteBooleanValue(boolVal);
-            else
-                writer.WriteNullValue();
-        }
     }
-
 }

CryptoExchange.Net/Converters/SystemTextJson/CommaSplitEnumConverter.cs

@@ -1,36 +1,35 @@
-using System;
+using System;
-#if NET5_0_OR_GREATER
 using System.Diagnostics.CodeAnalysis;
-#endif
 using System.Linq;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
+{
-/// <summary>
+    /// <summary>
-/// Converter for comma separated enum values
+    /// Converter for comma separated enum values
-/// </summary>
+    /// </summary>
 #if NET5_0_OR_GREATER
-public class CommaSplitEnumConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T> : JsonConverter<T[]> where T : struct, Enum
+    public class CommaSplitEnumConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T> : JsonConverter<T[]> where T : struct, Enum
 #else
-public class CommaSplitEnumConverter<T> : JsonConverter<T[]> where T : struct, Enum
+    public class CommaSplitEnumConverter<T> : JsonConverter<T[]> where T : struct, Enum
 #endif
 
-{
-    /// <inheritdoc />
-    public override T[]? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
     {
-        var str = reader.GetString();
+        /// <inheritdoc />
-        if (string.IsNullOrEmpty(str))
+        public override T[]? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-            return [];
+        {
+            var str = reader.GetString();
+            if (string.IsNullOrEmpty(str))
+                return [];
 
-        return str!.Split(',').Select(x => (T)EnumConverter.ParseString<T>(x)!).ToArray() ?? [];
+            return str!.Split(',').Select(x => (T)EnumConverter.ParseString<T>(x)!).ToArray() ?? [];
-    }
+        }
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, T[] value, JsonSerializerOptions options)
+        public override void Write(Utf8JsonWriter writer, T[] value, JsonSerializerOptions options)
-    {
+        {
-        writer.WriteStringValue(string.Join(",", value.Select(x => EnumConverter.GetString(x))));
+            writer.WriteStringValue(string.Join(",", value.Select(x => EnumConverter.GetString(x))));
+        }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/CommaSplitStringConverter.cs

@@ -0,0 +1,30 @@
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson
+{
+    /// <summary>
+    /// Converter for comma separated string values
+    /// </summary>
+    public class CommaSplitStringConverter : JsonConverter<string[]>
+    {
+        /// <inheritdoc />
+        public override string[]? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            var str = reader.GetString();
+            if (string.IsNullOrEmpty(str))
+                return [];
+
+            return str!.Split(',').ToArray() ?? [];
+        }
+
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, string[] value, JsonSerializerOptions options)
+        {
+            writer.WriteStringValue(string.Join(",", value));
+        }
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/DateTimeConverter.cs

@@ -1,68 +1,98 @@
+using Microsoft.Extensions.Logging;
 using System;
-using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Globalization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Date time converter
-/// </summary>
-public class DateTimeConverter : JsonConverterFactory
 {
-    private static readonly DateTime _epoch = new(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
+    /// <summary>
-    private const long _ticksPerSecond = TimeSpan.TicksPerMillisecond * 1000;
+    /// Date time converter
-    private const double _ticksPerMicrosecond = TimeSpan.TicksPerMillisecond / 1000d;
+    /// </summary>
-    private const double _ticksPerNanosecond = TimeSpan.TicksPerMillisecond / 1000d / 1000;
+    public class DateTimeConverter : JsonConverterFactory
-
-    /// <inheritdoc />
-    public override bool CanConvert(Type typeToConvert)
     {
-        return typeToConvert == typeof(DateTime) || typeToConvert == typeof(DateTime?);
+        private static readonly DateTime _epoch = new(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
-    }
+        private const long _ticksPerSecond = TimeSpan.TicksPerMillisecond * 1000;
+        private const decimal _ticksPerMicrosecond = TimeSpan.TicksPerMillisecond / 1000m;
+        private const decimal _ticksPerNanosecond = TimeSpan.TicksPerMillisecond / 1000m / 1000;
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+        public override bool CanConvert(Type typeToConvert)
-    {
+        {
-        return typeToConvert == typeof(DateTime) ? new DateTimeConverterInner<DateTime>() : new DateTimeConverterInner<DateTime?>();
+            return typeToConvert == typeof(DateTime) || typeToConvert == typeof(DateTime?);
-    }
+        }
 
-    private class DateTimeConverterInner<T> : JsonConverter<T>
+        /// <inheritdoc />
-    {
+        public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
-        public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
-            => (T)((object?)ReadDateTime(ref reader, typeToConvert, options) ?? default(T))!;
+            return typeToConvert == typeof(DateTime) ? new DateTimeConverterInner() : new NullableDateTimeConverterInner();
+        }
+
+        private class NullableDateTimeConverterInner : JsonConverter<DateTime?>
+        {
+            public override DateTime? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+                => ReadDateTime(ref reader, typeToConvert, options);
+
+            public override void Write(Utf8JsonWriter writer, DateTime? value, JsonSerializerOptions options)
+            {
+                if (value == null)
+                {
+                    writer.WriteNullValue();
+                    return;
+                }
+
+                if (value.Value == default)
+                    writer.WriteStringValue(default(DateTime));
+                else
+                    writer.WriteNumberValue((long)Math.Round((value.Value - new DateTime(1970, 1, 1)).TotalMilliseconds));
+            }
+        }
+
+        private class DateTimeConverterInner : JsonConverter<DateTime>
+        {
+            public override DateTime Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+                => ReadDateTime(ref reader, typeToConvert, options) ?? default;            
+
+            public override void Write(Utf8JsonWriter writer, DateTime value, JsonSerializerOptions options)
+            {
+                var dtValue = value;
+                if (dtValue == default)
+                    writer.WriteStringValue(default(DateTime));
+                else
+                    writer.WriteNumberValue((long)Math.Round((dtValue - new DateTime(1970, 1, 1)).TotalMilliseconds));
+            }
+        }
 
         private static DateTime? ReadDateTime(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
             if (reader.TokenType == JsonTokenType.Null)
             {
                 if (typeToConvert == typeof(DateTime))
-                    Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | DateTime value of null, but property is not nullable");
+                    LibraryHelpers.StaticLogger?.LogWarning("DateTime value of null, but property is not nullable. Resolver: {Resolver}", options.TypeInfoResolver?.GetType()?.Name);
                 return default;
             }
 
             if (reader.TokenType is JsonTokenType.Number)
             {
-                var longValue = reader.GetDouble();
+                var decValue = reader.GetDecimal();
-                if (longValue == 0 || longValue < 0)
+                if (decValue == 0 || decValue < 0)
                     return default;
 
-                return ParseFromDouble(longValue);
+                return ParseFromDecimal(decValue);
             }
             else if (reader.TokenType is JsonTokenType.String)
             {
                 var stringValue = reader.GetString();
                 if (string.IsNullOrWhiteSpace(stringValue)
-                    || stringValue == "-1"
+                    || stringValue!.Equals("-1", StringComparison.Ordinal)
-                    || stringValue == "0001-01-01T00:00:00Z"
+                    || stringValue!.Equals("0001-01-01T00:00:00Z", StringComparison.OrdinalIgnoreCase)
-                    || double.TryParse(stringValue, out var doubleVal) && doubleVal == 0)
+                    || decimal.TryParse(stringValue, out var decVal) && decVal == 0)
                 {
                     return default;
                 }
 
-                return ParseFromString(stringValue!);
+                return ParseFromString(stringValue!, options.TypeInfoResolver?.GetType()?.Name);
             }
             else
             {
@@ -70,172 +100,174 @@ public class DateTimeConverter : JsonConverterFactory
             }
         }
 
-        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+        /// <summary>
+        /// Parse a double value to datetime
+        /// </summary>
+        public static DateTime ParseFromDouble(double value)
+            => ParseFromDecimal((decimal)value);
+
+        /// <summary>
+        /// Parse a decimal value to datetime
+        /// </summary>
+        public static DateTime ParseFromDecimal(decimal value)
         {
-            if (value == null)
+            if (value < 19999999999)
-            {
+                return ConvertFromSeconds(value);
-                writer.WriteNullValue();
+            if (value < 19999999999999)
-            }
+                return ConvertFromMilliseconds(value);
-            else
+            if (value < 19999999999999999)
-            {
+                return ConvertFromMicroseconds(value);
-                var dtValue = (DateTime)(object)value;
+
-                if (dtValue == default)
+            return ConvertFromNanoseconds(value);
-                    writer.WriteStringValue(default(DateTime));
-                else
-                    writer.WriteNumberValue((long)Math.Round((dtValue - new DateTime(1970, 1, 1)).TotalMilliseconds));
-            }
         }
+
+        /// <summary>
+        /// Parse a string value to datetime
+        /// </summary>
+        public static DateTime ParseFromString(string stringValue, string? resolverName)
+        {
+            if (stringValue!.Length == 12 && stringValue.StartsWith("202", StringComparison.OrdinalIgnoreCase))
+            {
+                // Parse 202303261200 format
+                if (!int.TryParse(stringValue.Substring(0, 4), out var year)
+                    || !int.TryParse(stringValue.Substring(4, 2), out var month)
+                    || !int.TryParse(stringValue.Substring(6, 2), out var day)
+                    || !int.TryParse(stringValue.Substring(8, 2), out var hour)
+                    || !int.TryParse(stringValue.Substring(10, 2), out var minute))
+                {
+                    LibraryHelpers.StaticLogger?.LogWarning("Unknown DateTime format: {Value}. Resolver: {Resolver}", stringValue, resolverName);
+                    return default;
+                }
+                return new DateTime(year, month, day, hour, minute, 0, DateTimeKind.Utc);
+            }
+
+            if (stringValue.Length == 8)
+            {
+                // Parse 20211103 format
+                if (!int.TryParse(stringValue.Substring(0, 4), out var year)
+                    || !int.TryParse(stringValue.Substring(4, 2), out var month)
+                    || !int.TryParse(stringValue.Substring(6, 2), out var day))
+                {
+                    LibraryHelpers.StaticLogger?.LogWarning("Unknown DateTime format: {Value}. Resolver: {Resolver}", stringValue, resolverName);
+                    return default;
+                }
+                return new DateTime(year, month, day, 0, 0, 0, DateTimeKind.Utc);
+            }
+
+            if (stringValue.Length == 6)
+            {
+                // Parse 211103 format
+                if (!int.TryParse(stringValue.Substring(0, 2), out var year)
+                    || !int.TryParse(stringValue.Substring(2, 2), out var month)
+                    || !int.TryParse(stringValue.Substring(4, 2), out var day))
+                {
+                    LibraryHelpers.StaticLogger?.LogWarning("Unknown DateTime format: {Value}. Resolver: {Resolver}", stringValue, resolverName);
+                    return default;
+                }
+                return new DateTime(year + 2000, month, day, 0, 0, 0, DateTimeKind.Utc);
+            }
+
+            if (decimal.TryParse(stringValue, NumberStyles.Float, CultureInfo.InvariantCulture, out var decimalValue))
+            {
+                // Parse 1637745563.000 format
+                if (decimalValue <= 0)
+                    return default;
+                if (decimalValue < 19999999999)
+                    return ConvertFromSeconds(decimalValue);
+                if (decimalValue < 19999999999999)
+                    return ConvertFromMilliseconds(decimalValue);
+                if (decimalValue < 19999999999999999)
+                    return ConvertFromMicroseconds(decimalValue);
+
+                return ConvertFromNanoseconds(decimalValue);
+            }
+
+            if (stringValue.Length == 10)
+            {
+                // Parse 2021-11-03 format
+                var values = stringValue.Split('-');
+                if (!int.TryParse(values[0], out var year)
+                    || !int.TryParse(values[1], out var month)
+                    || !int.TryParse(values[2], out var day))
+                {
+                    LibraryHelpers.StaticLogger?.LogWarning("Unknown DateTime format: {Value}. Resolver: {Resolver}", stringValue, resolverName);
+                    return default;
+                }
+
+                return new DateTime(year, month, day, 0, 0, 0, DateTimeKind.Utc);
+            }
+
+            return DateTime.Parse(stringValue, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal);
+        }
+
+        /// <summary>
+        /// Convert a seconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromSeconds(decimal seconds) => _epoch.AddTicks((long)Math.Round(seconds * _ticksPerSecond));
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromSeconds(double seconds) => ConvertFromSeconds((decimal)seconds);
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromSeconds(long seconds) => ConvertFromSeconds((decimal)seconds);
+        /// <summary>
+        /// Convert a milliseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromMilliseconds(decimal milliseconds) => _epoch.AddTicks((long)Math.Round(milliseconds * TimeSpan.TicksPerMillisecond));
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromMilliseconds(double milliseconds) => ConvertFromMilliseconds((decimal)milliseconds);
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromMilliseconds(long milliseconds) => ConvertFromMilliseconds((decimal)milliseconds);
+        /// <summary>
+        /// Convert a microseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromMicroseconds(decimal microseconds) => _epoch.AddTicks((long)Math.Round(microseconds * _ticksPerMicrosecond));
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromMicroseconds(double microseconds) => ConvertFromMicroseconds((decimal)microseconds);
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromMicroseconds(long microseconds) => ConvertFromMicroseconds((decimal)microseconds);
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromNanoseconds(decimal nanoseconds) => _epoch.AddTicks((long)Math.Round(nanoseconds * _ticksPerNanosecond));
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromNanoseconds(double nanoseconds) => ConvertFromNanoseconds((decimal)nanoseconds);
+        /// <summary>
+        /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
+        /// </summary>
+        public static DateTime ConvertFromNanoseconds(long nanoseconds) => ConvertFromNanoseconds((decimal)nanoseconds);
+
+        /// <summary>
+        /// Convert a DateTime value to seconds since epoch (01-01-1970) value
+        /// </summary>
+        [return: NotNullIfNotNull("time")]
+        public static long? ConvertToSeconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).TotalSeconds);
+        /// <summary>
+        /// Convert a DateTime value to milliseconds since epoch (01-01-1970) value
+        /// </summary>
+        [return: NotNullIfNotNull("time")]
+        public static long? ConvertToMilliseconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).TotalMilliseconds);
+        /// <summary>
+        /// Convert a DateTime value to microseconds since epoch (01-01-1970) value
+        /// </summary>
+        [return: NotNullIfNotNull("time")]
+        public static long? ConvertToMicroseconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).Ticks / _ticksPerMicrosecond);
+        /// <summary>
+        /// Convert a DateTime value to nanoseconds since epoch (01-01-1970) value
+        /// </summary>
+        [return: NotNullIfNotNull("time")]
+        public static long? ConvertToNanoseconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).Ticks / _ticksPerNanosecond);
     }
-
-    /// <summary>
-    /// Parse a long value to datetime
-    /// </summary>
-    /// <param name="longValue"></param>
-    /// <returns></returns>
-    public static DateTime ParseFromDouble(double longValue)
-    {
-        if (longValue < 19999999999)
-            return ConvertFromSeconds(longValue);
-        if (longValue < 19999999999999)
-            return ConvertFromMilliseconds(longValue);
-        if (longValue < 19999999999999999)
-            return ConvertFromMicroseconds(longValue);
-
-        return ConvertFromNanoseconds(longValue);
-    }
-
-    /// <summary>
-    /// Parse a string value to datetime
-    /// </summary>
-    /// <param name="stringValue"></param>
-    /// <returns></returns>
-    public static DateTime ParseFromString(string stringValue)
-    {
-        if (stringValue!.Length == 12 && stringValue.StartsWith("202"))
-        {
-            // Parse 202303261200 format
-            if (!int.TryParse(stringValue.Substring(0, 4), out var year)
-                || !int.TryParse(stringValue.Substring(4, 2), out var month)
-                || !int.TryParse(stringValue.Substring(6, 2), out var day)
-                || !int.TryParse(stringValue.Substring(8, 2), out var hour)
-                || !int.TryParse(stringValue.Substring(10, 2), out var minute))
-            {
-                Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Unknown DateTime format: " + stringValue);
-                return default;
-            }
-            return new DateTime(year, month, day, hour, minute, 0, DateTimeKind.Utc);
-        }
-
-        if (stringValue.Length == 8)
-        {
-            // Parse 20211103 format
-            if (!int.TryParse(stringValue.Substring(0, 4), out var year)
-                || !int.TryParse(stringValue.Substring(4, 2), out var month)
-                || !int.TryParse(stringValue.Substring(6, 2), out var day))
-            {
-                Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Unknown DateTime format: " + stringValue);
-                return default;
-            }
-            return new DateTime(year, month, day, 0, 0, 0, DateTimeKind.Utc);
-        }
-
-        if (stringValue.Length == 6)
-        {
-            // Parse 211103 format
-            if (!int.TryParse(stringValue.Substring(0, 2), out var year)
-                || !int.TryParse(stringValue.Substring(2, 2), out var month)
-                || !int.TryParse(stringValue.Substring(4, 2), out var day))
-            {
-                Trace.WriteLine("{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Unknown DateTime format: " + stringValue);
-                return default;
-            }
-            return new DateTime(year + 2000, month, day, 0, 0, 0, DateTimeKind.Utc);
-        }
-
-        if (double.TryParse(stringValue, NumberStyles.Float, CultureInfo.InvariantCulture, out var doubleValue))
-        {
-            // Parse 1637745563.000 format
-            if (doubleValue <= 0)
-                return default;
-            if (doubleValue < 19999999999)
-                return ConvertFromSeconds(doubleValue);
-            if (doubleValue < 19999999999999)
-                return ConvertFromMilliseconds((long)doubleValue);
-            if (doubleValue < 19999999999999999)
-                return ConvertFromMicroseconds((long)doubleValue);
-
-            return ConvertFromNanoseconds((long)doubleValue);
-        }
-
-        if (stringValue.Length == 10)
-        {
-            // Parse 2021-11-03 format
-            var values = stringValue.Split('-');
-            if (!int.TryParse(values[0], out var year)
-                || !int.TryParse(values[1], out var month)
-                || !int.TryParse(values[2], out var day))
-            {
-                Trace.WriteLine("{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Unknown DateTime format: " + stringValue);
-                return default;
-            }
-
-            return new DateTime(year, month, day, 0, 0, 0, DateTimeKind.Utc);
-        }
-
-        return DateTime.Parse(stringValue, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal);
-    }
-
-    /// <summary>
-    /// Convert a seconds since epoch (01-01-1970) value to DateTime
-    /// </summary>
-    /// <param name="seconds"></param>
-    /// <returns></returns>
-    public static DateTime ConvertFromSeconds(double seconds) => _epoch.AddTicks((long)Math.Round(seconds * _ticksPerSecond));
-    /// <summary>
-    /// Convert a milliseconds since epoch (01-01-1970) value to DateTime
-    /// </summary>
-    /// <param name="milliseconds"></param>
-    /// <returns></returns>
-    public static DateTime ConvertFromMilliseconds(double milliseconds) => _epoch.AddTicks((long)Math.Round(milliseconds * TimeSpan.TicksPerMillisecond));
-    /// <summary>
-    /// Convert a microseconds since epoch (01-01-1970) value to DateTime
-    /// </summary>
-    /// <param name="microseconds"></param>
-    /// <returns></returns>
-    public static DateTime ConvertFromMicroseconds(double microseconds) => _epoch.AddTicks((long)Math.Round(microseconds * _ticksPerMicrosecond));
-    /// <summary>
-    /// Convert a nanoseconds since epoch (01-01-1970) value to DateTime
-    /// </summary>
-    /// <param name="nanoseconds"></param>
-    /// <returns></returns>
-    public static DateTime ConvertFromNanoseconds(double nanoseconds) => _epoch.AddTicks((long)Math.Round(nanoseconds * _ticksPerNanosecond));
-
-    /// <summary>
-    /// Convert a DateTime value to seconds since epoch (01-01-1970) value
-    /// </summary>
-    /// <param name="time"></param>
-    /// <returns></returns>
-    [return: NotNullIfNotNull("time")]
-    public static long? ConvertToSeconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).TotalSeconds);
-    /// <summary>
-    /// Convert a DateTime value to milliseconds since epoch (01-01-1970) value
-    /// </summary>
-    /// <param name="time"></param>
-    /// <returns></returns>
-    [return: NotNullIfNotNull("time")]
-    public static long? ConvertToMilliseconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).TotalMilliseconds);
-    /// <summary>
-    /// Convert a DateTime value to microseconds since epoch (01-01-1970) value
-    /// </summary>
-    /// <param name="time"></param>
-    /// <returns></returns>
-    [return: NotNullIfNotNull("time")]
-    public static long? ConvertToMicroseconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).Ticks / _ticksPerMicrosecond);
-    /// <summary>
-    /// Convert a DateTime value to nanoseconds since epoch (01-01-1970) value
-    /// </summary>
-    /// <param name="time"></param>
-    /// <returns></returns>
-    [return: NotNullIfNotNull("time")]
-    public static long? ConvertToNanoseconds(DateTime? time) => time == null ? null : (long)Math.Round((time.Value - _epoch).Ticks / _ticksPerNanosecond);
 }

CryptoExchange.Net/Converters/SystemTextJson/DecimalConverter.cs

@@ -1,43 +1,44 @@
-using System;
+using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Decimal converter
-/// </summary>
-public class DecimalConverter : JsonConverter<decimal?>
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override decimal? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Decimal converter
+    /// </summary>
+    public class DecimalConverter : JsonConverter<decimal?>
     {
-        if (reader.TokenType == JsonTokenType.Null)
+        /// <inheritdoc />
-            return null;
+        public override decimal? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-
-        if (reader.TokenType == JsonTokenType.String)
         {
-            var value = reader.GetString();
+            if (reader.TokenType == JsonTokenType.Null)
-            return ExchangeHelpers.ParseDecimal(value);
+                return null;
+
+            if (reader.TokenType == JsonTokenType.String)
+            {
+                var value = reader.GetString();
+                return ExchangeHelpers.ParseDecimal(value);
+            }
+
+            try
+            {
+                return reader.GetDecimal();
+            }
+            catch(FormatException)
+            {
+                // Format issue, assume value is too large
+                return decimal.MaxValue;
+            }
         }
 
-        try
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, decimal? value, JsonSerializerOptions options)
         {
-            return reader.GetDecimal();
+            if (value == null)
+                writer.WriteNullValue();
+            else
+                writer.WriteNumberValue(value.Value);
         }
-        catch(FormatException)
-        {
-            // Format issue, assume value is too large
-            return decimal.MaxValue;
-        }
-    }
-
-    /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, decimal? value, JsonSerializerOptions options)
-    {
-        if (value == null)
-            writer.WriteNullValue();
-        else
-            writer.WriteNumberValue(value.Value);
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/DecimalStringWriterConverter.cs

@@ -1,22 +1,23 @@
-using System;
+using System;
 using System.Globalization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Converter for serializing decimal values as string
-/// </summary>
-public class DecimalStringWriterConverter : JsonConverter<decimal>
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override decimal Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Converter for serializing decimal values as string
+    /// </summary>
+    public class DecimalStringWriterConverter : JsonConverter<decimal>
     {
-        throw new NotImplementedException();
+        /// <inheritdoc />
-    }
+        public override decimal Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            throw new NotImplementedException();
+        }
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, decimal value, JsonSerializerOptions options)
+        public override void Write(Utf8JsonWriter writer, decimal value, JsonSerializerOptions options)
-        => writer.WriteStringValue(value.ToString(CultureInfo.InvariantCulture) ?? null);
+            => writer.WriteStringValue(value.ToString(CultureInfo.InvariantCulture) ?? null);
+    }
 }

CryptoExchange.Net/Converters/SystemTextJson/EnumConverter.cs

@@ -1,288 +1,365 @@
-using CryptoExchange.Net.Attributes;
+using CryptoExchange.Net.Attributes;
+using Microsoft.Extensions.Logging;
 using System;
 using System.Collections.Concurrent;
+#if NET8_0_OR_GREATER
+using System.Collections.Frozen;
+#endif
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Diagnostics.CodeAnalysis;
 using System.Linq;
 using System.Reflection;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Static EnumConverter methods
-/// </summary>
-public static class EnumConverter
 {
     /// <summary>
-    /// Get the enum value from a string
+    /// Static EnumConverter methods
     /// </summary>
-    /// <param name="value">String value</param>
+    public static class EnumConverter
-    /// <returns></returns>
-#if NET5_0_OR_GREATER
-    public static T? ParseString<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>(string value) where T : struct, Enum
-#else
-    public static T? ParseString<T>(string value) where T : struct, Enum
-#endif
-        => EnumConverter<T>.ParseString(value);
-
-    /// <summary>
-    /// Get the string value for an enum value using the MapAttribute mapping. When multiple values are mapped for a enum entry the first value will be returned
-    /// </summary>
-    /// <param name="enumValue"></param>
-    /// <returns></returns>
-#if NET5_0_OR_GREATER
-    public static string GetString<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>(T enumValue) where T : struct, Enum
-#else
-    public static string GetString<T>(T enumValue) where T : struct, Enum
-#endif
-        => EnumConverter<T>.GetString(enumValue);
-
-    /// <summary>
-    /// Get the string value for an enum value using the MapAttribute mapping. When multiple values are mapped for a enum entry the first value will be returned
-    /// </summary>
-    /// <param name="enumValue"></param>
-    /// <returns></returns>
-    [return: NotNullIfNotNull("enumValue")]
-#if NET5_0_OR_GREATER
-    public static string? GetString<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>(T? enumValue) where T : struct, Enum
-#else
-    public static string? GetString<T>(T? enumValue) where T : struct, Enum
-#endif
-        => EnumConverter<T>.GetString(enumValue);
-}
-
-/// <summary>
-/// Converter for enum values. Enums entries should be noted with a MapAttribute to map the enum value to a string value
-/// </summary>
-#if NET5_0_OR_GREATER
-public class EnumConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>
-#else
-public class EnumConverter<T>
-#endif
-     : JsonConverter<T>, INullableConverterFactory where T : struct, Enum
-{
-    private static List<KeyValuePair<T, string>>? _mapping;
-    private NullableEnumConverter? _nullableEnumConverter;
-
-    private static ConcurrentBag<string> _unknownValuesWarned = new ConcurrentBag<string>();
-
-    internal class NullableEnumConverter : JsonConverter<T?>
     {
-        private readonly EnumConverter<T> _enumConverter;
+        /// <summary>
+        /// Get the enum value from a string
+        /// </summary>
+        /// <param name="value">String value</param>
+        /// <returns></returns>
+#if NET5_0_OR_GREATER
+        public static T? ParseString<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>(string value) where T : struct, Enum
+#else
+        public static T? ParseString<T>(string value) where T : struct, Enum
+#endif
+            => EnumConverter<T>.ParseString(value);
 
-        public NullableEnumConverter(EnumConverter<T> enumConverter)
+        /// <summary>
-        {
+        /// Get the string value for an enum value using the MapAttribute mapping. When multiple values are mapped for a enum entry the first value will be returned
-            _enumConverter = enumConverter;
+        /// </summary>
-        }
+        /// <param name="enumValue"></param>
-        public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        /// <returns></returns>
-        {
+#if NET5_0_OR_GREATER
-            return EnumConverter<T>.ReadNullable(ref reader, typeToConvert, options, out var isEmptyString, out var warn);
+        public static string GetString<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>(T enumValue) where T : struct, Enum
-        }
+#else
+        public static string GetString<T>(T enumValue) where T : struct, Enum
+#endif
+            => EnumConverter<T>.GetString(enumValue);
 
-        public override void Write(Utf8JsonWriter writer, T? value, JsonSerializerOptions options)
+        /// <summary>
-        {
+        /// Get the string value for an enum value using the MapAttribute mapping. When multiple values are mapped for a enum entry the first value will be returned
-            if (value == null)
+        /// </summary>
-            {
+        /// <param name="enumValue"></param>
-                writer.WriteNullValue();
+        /// <returns></returns>
-            }
+        [return: NotNullIfNotNull("enumValue")]
-            else
+#if NET5_0_OR_GREATER
-            {
+        public static string? GetString<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>(T? enumValue) where T : struct, Enum
-                _enumConverter.Write(writer, value.Value, options);
+#else
-            }
+        public static string? GetString<T>(T? enumValue) where T : struct, Enum
-        }
+#endif
+            => EnumConverter<T>.GetString(enumValue);
     }
 
-    /// <inheritdoc />
+    /// <summary>
-    public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Converter for enum values. Enums entries should be noted with a MapAttribute to map the enum value to a string value
+    /// </summary>
+#if NET5_0_OR_GREATER
+    public class EnumConverter<[DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicParameterlessConstructor | DynamicallyAccessedMemberTypes.PublicFields)] T>
+#else
+    public class EnumConverter<T>
+#endif
+         : JsonConverter<T>, INullableConverterFactory where T : struct, Enum
     {
-        var t = ReadNullable(ref reader, typeToConvert, options, out var isEmptyString, out var warn);
+        class EnumMapping
-        if (t == null)
         {
-            if (warn)
+            public T Value { get; set; }
+            public string StringValue { get; set; }
+
+            public EnumMapping(T value, string stringValue)
             {
-                if (isEmptyString)
+                Value = value;
+                StringValue = stringValue;
+            }
+        }
+
+#if NET8_0_OR_GREATER
+        private static FrozenSet<EnumMapping>? _mappingToEnum = null;
+        private static FrozenDictionary<T, string>? _mappingToString = null;
+#else
+        private static List<EnumMapping>? _mappingToEnum = null;
+        private static Dictionary<T, string>? _mappingToString = null;
+#endif
+        private NullableEnumConverter? _nullableEnumConverter = null;
+
+        private static ConcurrentBag<string> _unknownValuesWarned = new ConcurrentBag<string>();
+
+        internal class NullableEnumConverter : JsonConverter<T?>
+        {
+            private readonly EnumConverter<T> _enumConverter;
+
+            public NullableEnumConverter(EnumConverter<T> enumConverter)
+            {
+                _enumConverter = enumConverter;
+            }
+            public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+            {
+                return _enumConverter.ReadNullable(ref reader, typeToConvert, options, out var isEmptyString);
+            }
+
+            public override void Write(Utf8JsonWriter writer, T? value, JsonSerializerOptions options)
+            {
+                if (value == null)
                 {
-                    // We received an empty string and have no mapping for it, and the property isn't nullable
+                    writer.WriteNullValue();
-                    Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Received empty string as enum value, but property type is not a nullable enum. EnumType: {typeof(T).Name}. If you think {typeof(T).Name} should be nullable please open an issue on the Github repo");
                 }
                 else
                 {
-                    Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Received null enum value, but property type is not a nullable enum. EnumType: {typeof(T).Name}. If you think {typeof(T).Name} should be nullable please open an issue on the Github repo");
+                    _enumConverter.Write(writer, value.Value, options);
                 }
             }
-
-            return new T(); // return default value
         }
-        else
+
+        /// <inheritdoc />
+        public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
-            return t.Value;
+            var t = ReadNullable(ref reader, typeToConvert, options, out var isEmptyString);
-        }
+            if (t == null)
-    }
-
-    private static T? ReadNullable(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options, out bool isEmptyString, out bool warn)
-    {
-        isEmptyString = false;
-        warn = false;
-        var enumType = typeof(T);
-        if (_mapping == null)
-            _mapping = AddMapping();
-
-        var stringValue = reader.TokenType switch
-        {
-            JsonTokenType.String => reader.GetString(),
-            JsonTokenType.Number => reader.GetInt32().ToString(),
-            JsonTokenType.True => reader.GetBoolean().ToString(),
-            JsonTokenType.False => reader.GetBoolean().ToString(),
-            JsonTokenType.Null => null,
-            _ => throw new Exception("Invalid token type for enum deserialization: " + reader.TokenType)
-        };
-
-        if (string.IsNullOrEmpty(stringValue))
-            return null;
-
-        if (!GetValue(enumType, stringValue!, out var result))
-        {
-            if (string.IsNullOrWhiteSpace(stringValue))
             {
-                isEmptyString = true;
+                if (isEmptyString && !_unknownValuesWarned.Contains(null))
+                {
+                    // We received an empty string and have no mapping for it, and the property isn't nullable
+                    LibraryHelpers.StaticLogger?.LogWarning($"Received null or empty enum value, but property type is not a nullable enum. EnumType: {typeof(T).FullName}. If you think {typeof(T).FullName} should be nullable please open an issue on the Github repo");
+                }
+
+                return new T(); // return default value
             }
             else
             {
-                // We received an enum value but weren't able to parse it.
+                return t.Value;
-                if (!_unknownValuesWarned.Contains(stringValue))
+            }
+        }
+
+        private T? ReadNullable(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options, out bool isEmptyString)
+        {
+            isEmptyString = false;
+            var enumType = typeof(T);
+            if (_mappingToEnum == null)
+                CreateMapping();
+
+            var stringValue = reader.TokenType switch
+            {
+                JsonTokenType.String => reader.GetString(),
+                JsonTokenType.Number => reader.GetInt32().ToString(),
+                JsonTokenType.True => reader.GetBoolean().ToString(),
+                JsonTokenType.False => reader.GetBoolean().ToString(),
+                JsonTokenType.Null => null,
+                _ => throw new Exception("Invalid token type for enum deserialization: " + reader.TokenType)
+            };
+
+            if (stringValue is null)
+                return null;
+
+            if (!GetValue(enumType, stringValue, out var result))
+            {
+                if (string.IsNullOrWhiteSpace(stringValue))
                 {
-                    warn = true;
+                    isEmptyString = true;
-                    _unknownValuesWarned.Add(stringValue!);
+                }
-                    Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Cannot map enum value. EnumType: {enumType.Name}, Value: {stringValue}, Known values: {string.Join(", ", _mapping.Select(m => m.Value))}. If you think {stringValue} should added please open an issue on the Github repo");
+                else
+                {
+                    // We received an enum value but weren't able to parse it.
+                    if (!_unknownValuesWarned.Contains(stringValue))
+                    {
+                        _unknownValuesWarned.Add(stringValue!);
+                        LibraryHelpers.StaticLogger?.LogWarning($"Cannot map enum value. EnumType: {enumType.FullName}, Value: {stringValue}, Known values: [{string.Join(", ", _mappingToEnum!.Select(m => $"{m.StringValue}: {m.Value}"))}]. If you think {stringValue} should added please open an issue on the Github repo");
+                    }
+                }
+
+                return null;
+            }
+
+            return result;
+        }
+
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+        {
+            var stringValue = GetString(value);
+            writer.WriteStringValue(stringValue);
+        }
+
+        private static bool GetValue(Type objectType, string value, out T? result)
+        {
+            if (_mappingToEnum != null)
+            {
+                EnumMapping? mapping = null;
+                // Try match on full equals
+                foreach (var item in _mappingToEnum)
+                {
+                    if (item.StringValue.Equals(value, StringComparison.Ordinal))
+                    {
+                        mapping = item;
+                        break;
+                    }
+                }
+
+                // If not found, try matching ignoring case
+                if (mapping == null)
+                {
+                    foreach (var item in _mappingToEnum)
+                    {
+                        if (item.StringValue.Equals(value, StringComparison.OrdinalIgnoreCase))
+                        {
+                            mapping = item;
+                            break;
+                        }
+                    }
+                }
+
+                if (mapping != null)
+                {
+                    result = mapping.Value;
+                    return true;
                 }
             }
 
-            return null;
+            if (objectType.IsDefined(typeof(FlagsAttribute)))
-        }
-
-        return result;
-    }
-
-    /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
-    {
-        var stringValue = GetString(value);
-        writer.WriteStringValue(stringValue);
-    }
-
-    private static bool GetValue(Type objectType, string value, out T? result)
-    {
-        if (_mapping != null)
-        {
-            // Check for exact match first, then if not found fallback to a case insensitive match 
-            var mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCulture));
-            if (mapping.Equals(default(KeyValuePair<T, string>)))
-                mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCultureIgnoreCase));
-
-            if (!mapping.Equals(default(KeyValuePair<T, string>)))
             {
-                result = mapping.Key;
+                var intValue = int.Parse(value);
+                result = (T)Enum.ToObject(objectType, intValue);
                 return true;
             }
-        }
 
-        if (objectType.IsDefined(typeof(FlagsAttribute)))
+            if (_unknownValuesWarned.Contains(value))
-        {
-            var intValue = int.Parse(value);
-            result = (T)Enum.ToObject(objectType, intValue);
-            return true;
-        }
-
-        if (_unknownValuesWarned.Contains(value))
-        {
-            // Check if it is an known unknown value
-            // Done here to prevent lookup overhead for normal conversions, but prevent expensive exception throwing
-            result = default;
-            return false;
-        }
-
-        try
-        {
-            // If no explicit mapping is found try to parse string
-            result = (T)Enum.Parse(objectType, value, true);
-            return true;
-        }
-        catch (Exception)
-        {
-            result = default;
-            return false;
-        }
-    }
-
-    private static List<KeyValuePair<T, string>> AddMapping()
-    {
-        var mapping = new List<KeyValuePair<T, string>>();
-        var enumType = Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T);
-        var enumMembers = enumType.GetFields();
-        foreach (var member in enumMembers)
-        {
-            var maps = member.GetCustomAttributes(typeof(MapAttribute), false);
-            foreach (MapAttribute attribute in maps)
             {
-                foreach (var value in attribute.Values)
+                // Check if it is an known unknown value
-                    mapping.Add(new KeyValuePair<T, string>((T)Enum.Parse(enumType, member.Name), value));
+                // Done here to prevent lookup overhead for normal conversions, but prevent expensive exception throwing
+                result = default;
+                return false;
+            }
+
+            if (String.IsNullOrEmpty(value))
+            {
+                // An empty/null value will always fail when parsing, so just return here
+                result = default;
+                return false;
+            }
+
+            try
+            {
+                // If no explicit mapping is found try to parse string
+                result = (T)Enum.Parse(objectType, value, true);
+                if (!Enum.IsDefined(objectType, result))
+                {
+                    result = default;
+                    return false;
+                }
+
+                return true;
+            }
+            catch (Exception)
+            {
+                result = default;
+                return false;
             }
         }
 
-        _mapping = mapping;
+        private static void CreateMapping()
-        return mapping;
-    }
-
-    /// <summary>
-    /// Get the string value for an enum value using the MapAttribute mapping. When multiple values are mapped for a enum entry the first value will be returned
-    /// </summary>
-    /// <param name="enumValue"></param>
-    /// <returns></returns>
-    [return: NotNullIfNotNull("enumValue")]
-    public static string? GetString(T? enumValue)
-    {
-        if (_mapping == null)
-            _mapping = AddMapping();
-
-        return enumValue == null ? null : (_mapping.FirstOrDefault(v => v.Key.Equals(enumValue)).Value ?? enumValue.ToString());
-    }
-
-    /// <summary>
-    /// Get the enum value from a string
-    /// </summary>
-    /// <param name="value">String value</param>
-    /// <returns></returns>
-    public static T? ParseString(string value)
-    {
-        var type = Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T);
-        if (_mapping == null)
-            _mapping = AddMapping();
-
-        var mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCulture));
-        if (mapping.Equals(default(KeyValuePair<T, string>)))
-            mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCultureIgnoreCase));
-
-        if (!mapping.Equals(default(KeyValuePair<T, string>)))
-            return mapping.Key;
-
-        try
         {
-            // If no explicit mapping is found try to parse string
+            var mappingToEnum = new List<EnumMapping>();
-            return (T)Enum.Parse(type, value, true);
+            var mappingToString = new Dictionary<T, string>();
-        }
-        catch (Exception)
-        {
-            return default;
-        }
-    }
 
-    /// <inheritdoc />
+            var enumType = Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T);
-    public JsonConverter CreateNullableConverter()
+            var enumMembers = enumType.GetFields();
-    {
+            foreach (var member in enumMembers)
-        _nullableEnumConverter ??= new NullableEnumConverter(this);
+            {
-        return _nullableEnumConverter;
+                var maps = member.GetCustomAttributes(typeof(MapAttribute), false);
+                foreach (MapAttribute attribute in maps)
+                {
+                    foreach (var value in attribute.Values)
+                    {
+                        var enumVal = (T)Enum.Parse(enumType, member.Name);
+                        mappingToEnum.Add(new EnumMapping(enumVal, value));
+                        if (!mappingToString.ContainsKey(enumVal))
+                            mappingToString.Add(enumVal, value);
+                    }
+                }
+            }
+
+#if NET8_0_OR_GREATER
+            _mappingToEnum = mappingToEnum.ToFrozenSet();
+            _mappingToString = mappingToString.ToFrozenDictionary();
+#else
+            _mappingToEnum = mappingToEnum;
+            _mappingToString = mappingToString;
+#endif
+        }
+
+        /// <summary>
+        /// Get the string value for an enum value using the MapAttribute mapping. When multiple values are mapped for a enum entry the first value will be returned
+        /// </summary>
+        /// <param name="enumValue"></param>
+        /// <returns></returns>
+        [return: NotNullIfNotNull("enumValue")]
+        public static string? GetString(T? enumValue)
+        {
+            if (_mappingToString == null)
+                CreateMapping();
+
+            return enumValue == null ? null : (_mappingToString!.TryGetValue(enumValue.Value, out var str) ? str : enumValue.ToString());
+        }
+
+        /// <summary>
+        /// Get the enum value from a string
+        /// </summary>
+        /// <param name="value">String value</param>
+        /// <returns></returns>
+        public static T? ParseString(string value)
+        {
+            var type = Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T);
+            if (_mappingToEnum == null)
+                CreateMapping();
+
+            EnumMapping? mapping = null;
+            // Try match on full equals
+            foreach(var item in _mappingToEnum!)
+            {
+                if (item.StringValue.Equals(value, StringComparison.Ordinal))
+                {
+                    mapping = item;
+                    break;
+                }
+            }
+
+            // If not found, try matching ignoring case
+            if (mapping == null)
+            {
+                foreach (var item in _mappingToEnum)
+                {
+                    if (item.StringValue.Equals(value, StringComparison.OrdinalIgnoreCase))
+                    {
+                        mapping = item;
+                        break;
+                    }
+                }
+            }
+
+            if (mapping != null)
+                return mapping.Value;
+
+            try
+            {
+                // If no explicit mapping is found try to parse string
+                return (T)Enum.Parse(type, value, true);
+            }
+            catch (Exception)
+            {
+                return default;
+            }
+        }
+
+        /// <inheritdoc />
+        public JsonConverter CreateNullableConverter()
+        {
+            _nullableEnumConverter ??= new NullableEnumConverter(this);
+            return _nullableEnumConverter;
+        }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/EnumIntWriterConverter.cs

@@ -1,21 +1,22 @@
-using System;
+using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Converter for serializing enum values as int
-/// </summary>
-public class EnumIntWriterConverter<T> : JsonConverter<T> where T: struct, Enum
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Converter for serializing enum values as int
+    /// </summary>
+    public class EnumIntWriterConverter<T> : JsonConverter<T> where T: struct, Enum
     {
-        throw new NotImplementedException();
+        /// <inheritdoc />
-    }
+        public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            throw new NotImplementedException();
+        }
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
-        => writer.WriteNumberValue((int)(object)value);
+            => writer.WriteNumberValue((int)(object)value);
+    }
 }

CryptoExchange.Net/Converters/SystemTextJson/INullableConverterFactory.cs

@@ -1,8 +1,9 @@
-using System.Text.Json.Serialization;
+using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-internal interface INullableConverterFactory
 {
-    JsonConverter CreateNullableConverter();
+    internal interface INullableConverterFactory
+    {
+        JsonConverter CreateNullableConverter();
+    }
 }

CryptoExchange.Net/Converters/SystemTextJson/IntBoolConverter.cs

@@ -0,0 +1,38 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson
+{
+    /// <summary>
+    /// Bool converter
+    /// </summary>
+    public class IntBoolConverter : JsonConverter<bool>
+    {
+        private readonly int _trueValue;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="trueValue">The int value representing the true value</param>
+        public IntBoolConverter(int trueValue)
+        {
+            _trueValue = trueValue;
+        }
+
+        /// <inheritdoc />
+        public override bool Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        {
+            if (reader.TokenType != JsonTokenType.Number)
+                return false;
+
+            return reader.GetDecimal() == _trueValue;              
+        }
+
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, bool value, JsonSerializerOptions options)
+        {
+            writer.WriteNumberValue(_trueValue);
+        }
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/IntConverter.cs

@@ -1,39 +1,40 @@
-using System;
+using System;
 using System.Globalization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Int converter
-/// </summary>
-public class IntConverter : JsonConverter<int?>
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override int? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Int converter
+    /// </summary>
+    public class IntConverter : JsonConverter<int?>
     {
-        if (reader.TokenType == JsonTokenType.Null)
+        /// <inheritdoc />
-            return null;
+        public override int? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-
-        if (reader.TokenType == JsonTokenType.String)
         {
-            var value = reader.GetString();
+            if (reader.TokenType == JsonTokenType.Null)
-            if (string.IsNullOrEmpty(value))
                 return null;
 
-            return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
+            if (reader.TokenType == JsonTokenType.String)
+            {
+                var value = reader.GetString();
+                if (string.IsNullOrEmpty(value))
+                    return null;
+
+                return int.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
+            }
+
+            return reader.GetInt32();
         }
 
-        return reader.GetInt32();
+        /// <inheritdoc />
-    }
+        public override void Write(Utf8JsonWriter writer, int? value, JsonSerializerOptions options)
-
+        {
-    /// <inheritdoc />
+            if (value == null)
-    public override void Write(Utf8JsonWriter writer, int? value, JsonSerializerOptions options)
+                writer.WriteNullValue();
-    {
+            else
-        if (value == null)
+                writer.WriteNumberValue(value.Value);
-            writer.WriteNullValue();
+        }
-        else
-            writer.WriteNumberValue(value.Value);
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/LongConverter.cs

@@ -1,39 +1,40 @@
-using System;
+using System;
 using System.Globalization;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Int converter
-/// </summary>
-public class LongConverter : JsonConverter<long?>
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override long? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Int converter
+    /// </summary>
+    public class LongConverter : JsonConverter<long?>
     {
-        if (reader.TokenType == JsonTokenType.Null)
+        /// <inheritdoc />
-            return null;
+        public override long? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-
-        if (reader.TokenType == JsonTokenType.String)
         {
-            var value = reader.GetString();
+            if (reader.TokenType == JsonTokenType.Null)
-            if (string.IsNullOrEmpty(value))
                 return null;
 
-            return long.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
+            if (reader.TokenType == JsonTokenType.String)
+            {
+                var value = reader.GetString();
+                if (string.IsNullOrEmpty(value))
+                    return null;
+
+                return long.Parse(value, NumberStyles.Integer, CultureInfo.InvariantCulture);
+            }
+
+            return reader.GetInt64();
         }
 
-        return reader.GetInt64();
+        /// <inheritdoc />
-    }
+        public override void Write(Utf8JsonWriter writer, long? value, JsonSerializerOptions options)
-
+        {
-    /// <inheritdoc />
+            if (value == null)
-    public override void Write(Utf8JsonWriter writer, long? value, JsonSerializerOptions options)
+                writer.WriteNullValue();
-    {
+            else
-        if (value == null)
+                writer.WriteNumberValue(value.Value);
-            writer.WriteNullValue();
+        }
-        else
-            writer.WriteNumberValue(value.Value);
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/MessageHandlers/JsonRestMessageHandler.cs

@@ -0,0 +1,131 @@
+using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Errors;
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.Linq;
+using System.Net.Http.Headers;
+using System.Text.Json;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers
+{
+    /// <summary>
+    /// JSON REST message handler
+    /// </summary>
+    public abstract class JsonRestMessageHandler : IRestMessageHandler
+    {
+        private static MediaTypeWithQualityHeaderValue _acceptJsonContent = new MediaTypeWithQualityHeaderValue(Constants.JsonContentHeader);
+        private const int _errorResponseSnippetLimit = 128;
+
+        /// <summary>
+        /// Empty rate limit error
+        /// </summary>
+        protected static readonly ServerRateLimitError _emptyRateLimitError = new ServerRateLimitError();
+
+        /// <inheritdoc />
+        public virtual bool RequiresSeekableStream => false;
+
+        /// <summary>
+        /// The serializer options to use
+        /// </summary>
+        public abstract JsonSerializerOptions Options { get; }
+
+        /// <inheritdoc />
+        public MediaTypeWithQualityHeaderValue AcceptHeader => _acceptJsonContent;
+
+        /// <inheritdoc />
+        public virtual ValueTask<ServerRateLimitError> ParseErrorRateLimitResponse(
+            int httpStatusCode,
+            HttpResponseHeaders responseHeaders,
+            Stream responseStream)
+        {
+            // Handle retry after header
+            var retryAfterHeader = responseHeaders.SingleOrDefault(r => r.Key.Equals("Retry-After", StringComparison.InvariantCultureIgnoreCase));
+            if (retryAfterHeader.Value?.Any() != true)
+                return new ValueTask<ServerRateLimitError>(_emptyRateLimitError);
+
+            var value = retryAfterHeader.Value.First();
+            if (int.TryParse(value, out var seconds))
+                return new ValueTask<ServerRateLimitError>(new ServerRateLimitError() { RetryAfter = DateTime.UtcNow.AddSeconds(seconds) });
+
+            if (DateTime.TryParse(value, out var datetime))
+                return new ValueTask<ServerRateLimitError>(new ServerRateLimitError() { RetryAfter = datetime });
+
+            return new ValueTask<ServerRateLimitError>(_emptyRateLimitError);
+        }
+
+        /// <inheritdoc />
+        public abstract ValueTask<Error> ParseErrorResponse(
+            int httpStatusCode,
+            HttpResponseHeaders responseHeaders,
+            Stream responseStream);
+
+        /// <inheritdoc />
+        public virtual ValueTask<Error?> CheckForErrorResponse(
+            RequestDefinition request,
+            HttpResponseHeaders responseHeaders,
+            Stream responseStream) => new ValueTask<Error?>((Error?)null);
+
+        /// <summary>
+        /// Read the response into a JsonDocument object
+        /// </summary>
+        protected virtual async ValueTask<(Error?, JsonDocument?)> GetJsonDocument(Stream stream)
+        {
+            try
+            {
+                var document = await JsonDocument.ParseAsync(stream).ConfigureAwait(false);
+                return (null, document);
+            }
+            catch (Exception ex)
+            {
+                var errorMsg = "Deserialization failed, invalid JSON";
+                if (stream.CanSeek)
+                {
+                    var dataSnippet = new char[_errorResponseSnippetLimit];
+                    stream.Seek(0, SeekOrigin.Begin);
+                    var written = new StreamReader(stream).ReadBlock(dataSnippet, 0, _errorResponseSnippetLimit);
+                    var data = new string(dataSnippet, 0, written);
+                    errorMsg += $": {data}";
+                    if (data.Length == _errorResponseSnippetLimit)
+                        errorMsg += " (truncated)";
+                }
+
+                var error = new DeserializeError(errorMsg, ex);
+                return (error, null);
+            }
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public async ValueTask<(T? Result, Error? Error)> TryDeserializeAsync<T>(Stream responseStream, CancellationToken cancellationToken)
+        {
+            try
+            {
+#pragma warning disable IL2026 // Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code
+#pragma warning disable IL3050 // Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.
+                var result = await JsonSerializer.DeserializeAsync<T>(responseStream, Options)!.ConfigureAwait(false)!;
+#pragma warning restore IL3050 // Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.
+#pragma warning restore IL2026 // Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code
+                return (result, null);
+            }            
+            catch (JsonException ex)
+            {
+                var info = $"Json deserialization failed: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
+                return (default, new DeserializeError(info, ex));
+            }
+            catch (Exception ex)
+            {
+                return (default, new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
+            }
+        }
+
+        /// <inheritdoc />
+        public virtual Error? CheckDeserializedResponse<T>(HttpResponseHeaders responseHeaders, T result) => null;
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/MessageHandlers/JsonSocketMessageHandler.cs

@@ -0,0 +1,362 @@
+using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
+using System;
+using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
+using System.Linq;
+using System.Net.WebSockets;
+using System.Text;
+using System.Text.Json;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers
+{
+    /// <summary>
+    /// JSON WebSocket message handler, sequentially read the JSON and looks for specific predefined fields to identify the message
+    /// </summary>
+    public abstract class JsonSocketMessageHandler : ISocketMessageHandler
+    {
+        /// <summary>
+        /// The serializer options to use
+        /// </summary>
+        public abstract JsonSerializerOptions Options { get; }
+
+        /// <summary>
+        /// Message evaluators
+        /// </summary>
+        protected abstract MessageTypeDefinition[] TypeEvaluators { get; }
+
+        private readonly SearchResult _searchResult = new();
+
+        private bool _hasArraySearches;
+        private bool _initialized;
+        private int _maxSearchDepth;
+        private MessageTypeDefinition? _topEvaluator;
+        private List<MessageEvalutorFieldReference>? _searchFields;
+        private Dictionary<Type, Func<object, string?>>? _baseTypeMapping;
+        private Dictionary<Type, Func<object, string?>>? _mapping;
+
+        /// <summary>
+        /// Add a mapping of a specific object of a type to a specific topic
+        /// </summary>
+        /// <typeparam name="T">Type to get topic for</typeparam>
+        /// <param name="mapping">The topic retrieve delegate</param>
+        protected void AddTopicMapping<T>(Func<T, string?> mapping)
+        {
+            _mapping ??= new Dictionary<Type, Func<object, string?>>();
+            _mapping.Add(typeof(T), x => mapping((T)x));
+        }
+
+        private void InitializeConverter()
+        {
+            if (_initialized)
+                return;
+
+            _maxSearchDepth = int.MinValue;
+            _searchFields = new List<MessageEvalutorFieldReference>();
+            foreach (var evaluator in TypeEvaluators)
+            {
+                _topEvaluator ??= evaluator;
+                foreach (var field in evaluator.Fields)
+                {
+                    var overlapping = _searchFields.Where(otherField =>
+                    {
+                        if (field is PropertyFieldReference propRef
+                            && otherField.Field is PropertyFieldReference otherPropRef)
+                        {
+                            return field.Depth == otherPropRef.Depth && propRef.PropertyName.SequenceEqual(otherPropRef.PropertyName);
+                        }
+                        else if (field is ArrayFieldReference arrayRef
+                            && otherField.Field is ArrayFieldReference otherArrayPropRef)
+                        {
+                            return field.Depth == otherArrayPropRef.Depth && arrayRef.ArrayIndex == otherArrayPropRef.ArrayIndex;
+                        }
+
+                        return false;
+                    }).ToList();
+
+                    if (overlapping.Any())
+                    {
+                        foreach (var overlap in overlapping)
+                            overlap.OverlappingField = true;
+                    }
+
+                    List<MessageEvalutorFieldReference>? existingSameSearchField = new();
+                    if (field is ArrayFieldReference arrayField)
+                    {
+                        _hasArraySearches = true;
+                        existingSameSearchField = _searchFields.Where(x =>
+                            x.Field is ArrayFieldReference arrayFieldRef
+                            && arrayFieldRef.ArrayIndex == arrayField.ArrayIndex
+                            && arrayFieldRef.Depth == arrayField.Depth
+                            && arrayFieldRef.Constraint == null && arrayField.Constraint == null).ToList();
+                    }
+                    else if (field is PropertyFieldReference propField)
+                    {
+                        existingSameSearchField = _searchFields.Where(x =>
+                            x.Field is PropertyFieldReference propFieldRef
+                            && propFieldRef.PropertyName.SequenceEqual(propField.PropertyName)
+                            && propFieldRef.Depth == propField.Depth
+                            && propFieldRef.Constraint == null && propFieldRef.Constraint == null).ToList();
+                    }
+
+                    foreach(var sameSearchField in existingSameSearchField)
+                    {
+                        if (sameSearchField.SkipReading == true
+                            && (evaluator.TypeIdentifierCallback != null || field.Constraint != null))
+                        {
+                            sameSearchField.SkipReading = false;
+                        }
+
+                        if (evaluator.ForceIfFound)
+                        {
+                            if (evaluator.Fields.Length > 1 || sameSearchField.ForceEvaluator != null)
+                                throw new Exception("Invalid config");
+
+                            //sameSearchField.ForceEvaluator = evaluator;
+                        }
+                    }
+
+                    _searchFields.Add(new MessageEvalutorFieldReference(field)
+                    {
+                        SkipReading = evaluator.TypeIdentifierCallback == null && field.Constraint == null,
+                        ForceEvaluator = !existingSameSearchField.Any() ? evaluator.ForceIfFound ? evaluator : null : null,
+                        OverlappingField = overlapping.Any()
+                    });
+
+                    if (field.Depth > _maxSearchDepth)
+                        _maxSearchDepth = field.Depth;
+                }
+            }
+
+            _initialized = true;
+        }
+
+        /// <inheritdoc />
+        public virtual string? GetTopicFilter(object deserializedObject)
+        {
+            if (_mapping == null)
+                return null;
+
+            // Cache the found type for future 
+            var currentType = deserializedObject.GetType();
+            if (_baseTypeMapping != null)
+            {
+                if (_baseTypeMapping.TryGetValue(currentType, out var typeMapping))
+                    return typeMapping(deserializedObject);
+            }
+
+            var mappedBase = false;
+            while (currentType != null)
+            {
+                if (_mapping.TryGetValue(currentType, out var mapping))
+                {
+                    if (mappedBase) 
+                    {
+                        _baseTypeMapping ??= new Dictionary<Type, Func<object, string?>>();
+                        _baseTypeMapping.Add(deserializedObject.GetType(), mapping);
+                    }
+
+                    return mapping(deserializedObject);
+                }
+
+                mappedBase = true;
+                currentType = currentType.BaseType;
+            }
+
+            return null;
+        }
+
+        /// <summary>
+        /// Return type identifier for non-json messages
+        /// </summary>
+        protected virtual string? GetTypeIdentifierNonJson(ReadOnlySpan<byte> data, WebSocketMessageType? webSocketMessageType)
+        {
+            return null;
+        }
+
+        /// <inheritdoc />
+        public virtual string? GetTypeIdentifier(ReadOnlySpan<byte> data, WebSocketMessageType? webSocketMessageType)
+        {
+            InitializeConverter();
+
+            int? arrayIndex = null;
+
+            _searchResult.Clear();
+            if (data[0] != 0x5B && data[0] != 0x7B)
+            {
+                // Message doesn't start with `{` or `[`, not valid for processing as json
+                return GetTypeIdentifierNonJson(data, webSocketMessageType);
+            }
+
+            var reader = new Utf8JsonReader(data);
+            while (reader.Read())
+            {
+                if ((reader.TokenType == JsonTokenType.StartArray
+                    || reader.TokenType == JsonTokenType.StartObject)
+                    && reader.CurrentDepth == _maxSearchDepth)
+                {
+                    // There is no field we need to search for on a depth deeper than this, skip
+                    reader.Skip();
+                    continue;
+                }
+
+                if (reader.TokenType == JsonTokenType.StartArray)
+                    arrayIndex = -1;
+                else if (reader.TokenType == JsonTokenType.EndArray)
+                    arrayIndex = null;
+                else if (arrayIndex != null)
+                    arrayIndex++;
+
+                if (reader.TokenType == JsonTokenType.PropertyName
+                    || arrayIndex != null && _hasArraySearches)
+                {
+                    bool written = false;
+
+                    string? value = null;
+                    byte[]? propName = null;
+                    foreach (var field in _searchFields!)
+                    {
+                        if (field.Field.Depth != reader.CurrentDepth)
+                            continue;
+
+                        bool readArrayValues = false;
+                        if (field.Field is PropertyFieldReference propFieldRef)
+                        {
+                            if (propName == null)
+                            {
+                                if (reader.TokenType != JsonTokenType.PropertyName)
+                                    continue;
+
+                                if (!reader.ValueTextEquals(propFieldRef.PropertyName))
+                                    continue;
+
+                                propName = propFieldRef.PropertyName;
+                                readArrayValues = propFieldRef.ArrayValues;
+                                reader.Read();
+                            }
+                            else if (!propFieldRef.PropertyName.SequenceEqual(propName))
+                            {
+                                continue;
+                            }
+                        }
+                        else if (field.Field is ArrayFieldReference arrayFieldRef)
+                        {
+                            if (propName != null)
+                                continue;
+
+                            if (reader.TokenType == JsonTokenType.PropertyName)
+                                continue;
+
+                            if (arrayFieldRef.ArrayIndex != arrayIndex)
+                                continue;
+                        }
+
+                        if (!field.SkipReading)
+                        {
+                            if (value == null)
+                            {
+                                if (readArrayValues)
+                                {
+                                    if (reader.TokenType != JsonTokenType.StartArray)
+                                        // error
+                                        return null;
+
+                                    var sb = new StringBuilder();
+                                    reader.Read();// Read start array
+                                    bool first = true;
+                                    while(reader.TokenType != JsonTokenType.EndArray)
+                                    {
+                                        if (!first)
+                                            sb.Append(",");
+
+                                        first = false;
+                                        sb.Append(reader.GetString());
+                                        reader.Read();
+                                    }
+
+                                    value = first ? null : sb.ToString();
+                                }
+                                else
+                                {
+                                    switch (reader.TokenType)
+                                    {
+                                        case JsonTokenType.Number:
+                                            value = reader.GetDecimal().ToString();
+                                            break;
+                                        case JsonTokenType.String:
+                                            value = reader.GetString()!;
+                                            break;
+                                        case JsonTokenType.True:
+                                        case JsonTokenType.False:
+                                            value = reader.GetBoolean().ToString()!;
+                                            break;
+                                        case JsonTokenType.Null:
+                                            value = null;
+                                            break;
+                                        case JsonTokenType.StartObject:
+                                        case JsonTokenType.StartArray:
+                                            value = null;
+                                            break;
+                                        default:
+                                            continue;
+                                    }
+                                }
+                            }
+
+                            if (field.Field.Constraint != null
+                                && !field.Field.Constraint(value))
+                            {
+                                continue;
+                            }
+                        }
+
+                        _searchResult.Write(field.Field, value);
+
+                        if (field.ForceEvaluator != null)
+                        {
+                            if (field.ForceEvaluator.StaticIdentifier != null)
+                                return field.ForceEvaluator.StaticIdentifier;
+
+                            // Force the immediate return upon encountering this field
+                            return field.ForceEvaluator.GetMessageType(_searchResult);
+                        }
+
+                        written = true;
+                        if (!field.OverlappingField)
+                            break;
+                    }
+
+                    if (!written)
+                        continue;
+
+                    if (_topEvaluator!.Satisfied(_searchResult))
+                        return _topEvaluator.GetMessageType(_searchResult);
+
+                    if (_searchFields.Count == _searchResult.Count)
+                        break;
+                }
+            }
+
+            foreach (var evaluator in TypeEvaluators)
+            {
+                if (evaluator.Satisfied(_searchResult))
+                    return evaluator.GetMessageType(_searchResult);
+            }
+
+            return null;
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public virtual object Deserialize(ReadOnlySpan<byte> data, Type type)
+        {
+#pragma warning disable IL2026 // Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code
+#pragma warning disable IL3050 // Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.
+            return JsonSerializer.Deserialize(data, type, Options)!;
+#pragma warning restore IL3050 // Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.
+#pragma warning restore IL2026 // Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code
+        }
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/MessageHandlers/JsonSocketPreloadMessageHandler.cs

@@ -0,0 +1,63 @@
+using CryptoExchange.Net.Converters.MessageParsing.DynamicConverters;
+using System;
+using System.Net.WebSockets;
+using System.Text.Json;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson.MessageHandlers
+{
+    /// <summary>
+    /// JSON WebSocket message handler, reads the json data info a JsonDocument after which the data can be inspected to identify the message
+    /// </summary>
+    public abstract class JsonSocketPreloadMessageHandler : ISocketMessageHandler
+    {
+        /// <summary>
+        /// The serializer options to use
+        /// </summary>
+        public abstract JsonSerializerOptions Options { get; }
+
+        /// <inheritdoc />
+        public virtual string? GetTypeIdentifier(ReadOnlySpan<byte> data, WebSocketMessageType? webSocketMessageType)
+        {
+            var reader = new Utf8JsonReader(data);
+            var jsonDocument = JsonDocument.ParseValue(ref reader);
+
+            return GetTypeIdentifier(jsonDocument);
+        }
+
+        /// <summary>
+        /// Get the message identifier for this document
+        /// </summary>
+        protected abstract string? GetTypeIdentifier(JsonDocument document);
+
+        /// <summary>
+        /// Get optional topic filter, for example a symbol name
+        /// </summary>
+        public virtual string? GetTopicFilter(object deserializedObject) => null;
+
+        /// <inheritdoc />
+        public virtual object Deserialize(ReadOnlySpan<byte> data, Type type)
+        {
+#pragma warning disable IL2026 // Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code
+#pragma warning disable IL3050 // Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.
+            return JsonSerializer.Deserialize(data, type, Options)!;
+#pragma warning restore IL3050 // Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.
+#pragma warning restore IL2026 // Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code
+        }
+
+        /// <summary>
+        /// Get the string value for a path, or an emtpy string if not found
+        /// </summary>
+        protected string StringOrEmpty(JsonDocument document, string path)
+        {
+            if (!document.RootElement.TryGetProperty(path, out var element))
+                return string.Empty;
+
+            if (element.ValueKind == JsonValueKind.String)
+                return element.GetString() ?? string.Empty;
+            else if (element.ValueKind == JsonValueKind.Number)
+                return element.GetDecimal().ToString();
+
+            return string.Empty;
+        }
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/NullableEnumConverterFactory.cs

@@ -1,40 +1,41 @@
-using System;
+using System;
 using System.Text.Json.Serialization.Metadata;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-internal class NullableEnumConverterFactory : JsonConverterFactory
 {
-    private readonly IJsonTypeInfoResolver _jsonTypeInfoResolver;
+    internal class NullableEnumConverterFactory : JsonConverterFactory
-    private static readonly JsonSerializerOptions _options = new JsonSerializerOptions();
-
-    public NullableEnumConverterFactory(IJsonTypeInfoResolver jsonTypeInfoResolver)
     {
-        _jsonTypeInfoResolver = jsonTypeInfoResolver;
+        private readonly IJsonTypeInfoResolver _jsonTypeInfoResolver;
-    }
+        private static readonly JsonSerializerOptions _options = new JsonSerializerOptions();
 
-    public override bool CanConvert(Type typeToConvert)
+        public NullableEnumConverterFactory(IJsonTypeInfoResolver jsonTypeInfoResolver)
-    {
+        {
-        var b = Nullable.GetUnderlyingType(typeToConvert);
+            _jsonTypeInfoResolver = jsonTypeInfoResolver;
-        if (b == null)
+        }
-            return false;
 
-        var typeInfo = _jsonTypeInfoResolver.GetTypeInfo(b, _options);
+        public override bool CanConvert(Type typeToConvert)
-        if (typeInfo == null)
+        {
-            return false;
+            var b = Nullable.GetUnderlyingType(typeToConvert);
+            if (b == null)
+                return false;
 
-        return typeInfo.Converter is INullableConverterFactory;
+            var typeInfo = _jsonTypeInfoResolver.GetTypeInfo(b, _options);
-    }
+            if (typeInfo == null)
+                return false;
 
-    public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+            return typeInfo.Converter is INullableConverterFactory;
-    {
+        }
-        var b = Nullable.GetUnderlyingType(typeToConvert) ?? throw new ArgumentNullException($"Not nullable {typeToConvert.Name}");
+
-        var typeInfo = _jsonTypeInfoResolver.GetTypeInfo(b, _options) ?? throw new ArgumentNullException($"Can find type {typeToConvert.Name}");
+        public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
-        if (typeInfo.Converter is not INullableConverterFactory nullConverterFactory)
+        {
-            throw new ArgumentNullException($"Can find type converter for {typeToConvert.Name}");
+            var b = Nullable.GetUnderlyingType(typeToConvert) ?? throw new ArgumentNullException($"Not nullable {typeToConvert.Name}");
-        
+            var typeInfo = _jsonTypeInfoResolver.GetTypeInfo(b, _options) ?? throw new ArgumentNullException($"Can find type {typeToConvert.Name}");
-        return nullConverterFactory.CreateNullableConverter();
+            if (typeInfo.Converter is not INullableConverterFactory nullConverterFactory)
+                throw new ArgumentNullException($"Can find type converter for {typeToConvert.Name}");
+            
+            return nullConverterFactory.CreateNullableConverter();
+        }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/NumberStringConverter.cs

@@ -1,41 +1,42 @@
-using System;
+using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Read string or number as string
-/// </summary>
-public class NumberStringConverter : JsonConverter<string?>
 {
-    /// <inheritdoc />
+    /// <summary>
-    public override string? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    /// Read string or number as string
+    /// </summary>
+    public class NumberStringConverter : JsonConverter<string?>
     {
-        if (reader.TokenType == JsonTokenType.Null)
+        /// <inheritdoc />
-            return null;
+        public override string? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-
-        if (reader.TokenType == JsonTokenType.Number)
         {
-            if (reader.TryGetInt64(out var value))
+            if (reader.TokenType == JsonTokenType.Null)
-                return value.ToString();
+                return null;
 
-            return reader.GetDecimal().ToString();
+            if (reader.TokenType == JsonTokenType.Number)
+            {
+                if (reader.TryGetInt64(out var value))
+                    return value.ToString();
+
+                return reader.GetDecimal().ToString();
+            }
+
+            try
+            {
+                return reader.GetString();
+            }
+            catch (Exception)
+            {
+                return null;
+            }
         }
 
-        try
+        /// <inheritdoc />
+        public override void Write(Utf8JsonWriter writer, string? value, JsonSerializerOptions options)
         {
-            return reader.GetString();
+            writer.WriteStringValue(value);
         }
-        catch (Exception)
-        {
-            return null;
-        }
-    }
-
-    /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, string? value, JsonSerializerOptions options)
-    {
-        writer.WriteStringValue(value);
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/ObjectOrArrayConverter.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+#pragma warning disable IL2026 // Members annotated with 'RequiresUnreferencedCodeAttribute' require dynamic access otherwise can break functionality when trimming application code
+#pragma warning disable IL3050 // Calling members annotated with 'RequiresDynamicCodeAttribute' may break functionality when AOT compiling.
+
+namespace CryptoExchange.Net.Converters.SystemTextJson
+{
+    /// <summary>
+    /// Converter for parsing object or array responses
+    /// </summary>
+    public class ObjectOrArrayConverter : JsonConverterFactory
+    {
+        /// <inheritdoc />
+        public override bool CanConvert(Type typeToConvert) => true;
+        /// <inheritdoc />
+        public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+        {
+            var type = typeof(InternalObjectOrArrayConverter<>).MakeGenericType(typeToConvert);
+            return (JsonConverter)Activator.CreateInstance(type)!;
+        }
+
+        private class InternalObjectOrArrayConverter<T> : JsonConverter<T>
+        {
+            public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+            {
+                if (reader.TokenType == JsonTokenType.StartObject && !typeToConvert.IsArray)
+                {
+                    // Object to object
+                    return JsonDocument.ParseValue(ref reader).Deserialize<T>(options);
+                }
+                else if (reader.TokenType == JsonTokenType.StartArray && typeToConvert.IsArray)
+                {
+                    // Array to array
+                    return JsonDocument.ParseValue(ref reader).Deserialize<T>(options);
+                }
+                else if (reader.TokenType == JsonTokenType.StartArray)
+                {
+                    // Array to object
+                    JsonDocument.ParseValue(ref reader).Deserialize<T[]>(options);
+                    return default;
+                }
+                else
+                {
+                    // Object to array
+                    JsonDocument.ParseValue(ref reader);
+                    return default;
+                }
+            }
+
+            public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+            {
+                JsonSerializer.Serialize(writer, value, options);
+            }
+        }
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/ObjectStringConverter.cs

@@ -1,44 +1,43 @@
-using System;
+using System;
 using System.Text.Json.Serialization;
 using System.Text.Json;
-#if NET5_0_OR_GREATER
 using System.Diagnostics.CodeAnalysis;
-#endif
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Converter for values which contain a nested json value
-/// </summary>
-public class ObjectStringConverter<T> : JsonConverter<T>
 {
-    /// <inheritdoc />
+    /// <summary>
-#if NET5_0_OR_GREATER
+    /// Converter for values which contain a nested json value
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+    /// </summary>
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+    public class ObjectStringConverter<T> : JsonConverter<T>
-#endif
-    public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
     {
-        if (reader.TokenType == JsonTokenType.Null)
+        /// <inheritdoc />
-            return default;
-
-        var value = reader.GetString();
-        if (string.IsNullOrEmpty(value))
-            return default;
-
-        return JsonDocument.Parse(value!).Deserialize<T>(options);
-    }
-
-    /// <inheritdoc />
 #if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
 #endif
-    public override void Write(Utf8JsonWriter writer, T? value, JsonSerializerOptions options)
+        public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-    {
+        {
-        if (value is null)
+            if (reader.TokenType == JsonTokenType.Null)
-            writer.WriteStringValue("");
+                return default;
 
-        writer.WriteStringValue(JsonSerializer.Serialize(value, options));
+            var value = reader.GetString();
+            if (string.IsNullOrEmpty(value))
+                return default;
+
+            return (T?)JsonDocument.Parse(value!).Deserialize(typeof(T), options);
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public override void Write(Utf8JsonWriter writer, T? value, JsonSerializerOptions options)
+        {
+            if (value is null)
+                writer.WriteStringValue("");
+
+            writer.WriteStringValue(JsonSerializer.Serialize(value, options));
+        }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/ReplaceConverter.cs

@@ -1,40 +1,41 @@
-using System;
+using System;
 using System.Linq;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Replace a value on a string property
-/// </summary>
-public abstract class ReplaceConverter : JsonConverter<string>
 {
-    private readonly (string ValueToReplace, string ValueToReplaceWith)[] _replacementSets;
-
     /// <summary>
-    /// ctor
+    /// Replace a value on a string property
     /// </summary>
-    public ReplaceConverter(params string[] replaceSets)
+    public abstract class ReplaceConverter : JsonConverter<string>
     {
-        _replacementSets = replaceSets.Select(x =>
+        private readonly (string ValueToReplace, string ValueToReplaceWith)[] _replacementSets;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ReplaceConverter(params string[] replaceSets)
         {
-            var split = x.Split(["->"], StringSplitOptions.None);
+            _replacementSets = replaceSets.Select(x =>
-            if (split.Length != 2)
+            {
-                throw new ArgumentException("Invalid replacement config");
+                var split = x.Split(new string[] { "->" }, StringSplitOptions.None);
-            return (split[0], split[1]);
+                if (split.Length != 2)
-        }).ToArray();
+                    throw new ArgumentException("Invalid replacement config");
-    }
+                return (split[0], split[1]);
+            }).ToArray();
+        }
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public override string? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        public override string? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-    {
+        {
-        var value = reader.GetString();
+            var value = reader.GetString();
-        foreach (var set in _replacementSets)
+            foreach (var set in _replacementSets)
-            value = value?.Replace(set.ValueToReplace, set.ValueToReplaceWith);
+                value = value?.Replace(set.ValueToReplace, set.ValueToReplaceWith);
-        return value;
+            return value;
-    }
+        }
 
-    /// <inheritdoc />
+        /// <inheritdoc />
-    public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options) => writer.WriteStringValue(value);
+        public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options) => writer.WriteStringValue(value);
+    }
 }

CryptoExchange.Net/Converters/SystemTextJson/SerializationModel.cs

@@ -1,20 +1,21 @@
-using System;
+using System;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Attribute to mark a model as json serializable. Used for AOT compilation.
-/// </summary>
-[AttributeUsage(System.AttributeTargets.Class | AttributeTargets.Enum | System.AttributeTargets.Interface)]
-public class SerializationModelAttribute : Attribute
 {
     /// <summary>
-    /// ctor
+    /// Attribute to mark a model as json serializable. Used for AOT compilation.
     /// </summary>
-    public SerializationModelAttribute() { }
+    [AttributeUsage(System.AttributeTargets.Class | AttributeTargets.Enum | System.AttributeTargets.Interface)]
-    /// <summary>
+    public class SerializationModelAttribute : Attribute
-    /// ctor
+    {
-    /// </summary>
+        /// <summary>
-    /// <param name="type"></param>
+        /// ctor
-    public SerializationModelAttribute(Type type) { }
+        /// </summary>
+        public SerializationModelAttribute() { }
+        /// <summary>
+        /// ctor
+        /// </summary>
+        /// <param name="type"></param>
+        public SerializationModelAttribute(Type type) { }
+    }
 }

CryptoExchange.Net/Converters/SystemTextJson/SerializerOptions.cs

@@ -1,46 +1,47 @@
-using System.Collections.Concurrent;
+using System.Collections.Concurrent;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <summary>
-/// Serializer options
-/// </summary>
-public static class SerializerOptions
 {
-    private static readonly ConcurrentDictionary<JsonSerializerContext, JsonSerializerOptions> _cache = new ConcurrentDictionary<JsonSerializerContext, JsonSerializerOptions>();
-
     /// <summary>
-    /// Get Json serializer settings which includes standard converters for DateTime, bool, enum and number types
+    /// Serializer options
     /// </summary>
-    public static JsonSerializerOptions WithConverters(JsonSerializerContext typeResolver, params JsonConverter[] additionalConverters)
+    public static class SerializerOptions
     {
-        if (!_cache.TryGetValue(typeResolver, out var options))
+        private static readonly ConcurrentDictionary<JsonSerializerContext, JsonSerializerOptions> _cache = new ConcurrentDictionary<JsonSerializerContext, JsonSerializerOptions>();
+
+        /// <summary>
+        /// Get Json serializer settings which includes standard converters for DateTime, bool, enum and number types
+        /// </summary>
+        public static JsonSerializerOptions WithConverters(JsonSerializerContext typeResolver, params JsonConverter[] additionalConverters)
         {
-            options = new JsonSerializerOptions
+            if (!_cache.TryGetValue(typeResolver, out var options))
             {
-                NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
+                options = new JsonSerializerOptions
-                PropertyNameCaseInsensitive = false,
-                Converters =
                 {
-                    new DateTimeConverter(),
+                    NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
-                    new BoolConverter(),
+                    PropertyNameCaseInsensitive = false,
-                    new DecimalConverter(),
+                    Converters =
-                    new IntConverter(),
+                    {
-                    new LongConverter(),
+                        new DateTimeConverter(),
-                    new NullableEnumConverterFactory(typeResolver)
+                        new BoolConverter(),
-                },
+                        new DecimalConverter(),
-                TypeInfoResolver = typeResolver,
+                        new IntConverter(),
-            };
+                        new LongConverter(),
+                        new NullableEnumConverterFactory(typeResolver)
+                    },
+                    TypeInfoResolver = typeResolver,
+                };
 
-            foreach (var converter in additionalConverters)
+                foreach (var converter in additionalConverters)
-                options.Converters.Add(converter);
+                    options.Converters.Add(converter);
 
-            options.TypeInfoResolver = typeResolver;
+                options.TypeInfoResolver = typeResolver;
-            _cache.TryAdd(typeResolver, options);
+                _cache.TryAdd(typeResolver, options);
+            }
+
+            return options;
         }
-
-        return options;
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/SharedQuantityConverter.cs

@@ -1,57 +1,58 @@
-using CryptoExchange.Net.SharedApis;
+using CryptoExchange.Net.SharedApis;
 using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-internal class SharedQuantityConverter : SharedQuantityReferenceConverter<SharedQuantity> { }
-internal class SharedOrderQuantityConverter : SharedQuantityReferenceConverter<SharedOrderQuantity> { }
-
-internal class SharedQuantityReferenceConverter<T> : JsonConverter<T> where T: SharedQuantityReference, new()
 {
-    public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    internal class SharedQuantityConverter : SharedQuantityReferenceConverter<SharedQuantity> { }
+    internal class SharedOrderQuantityConverter : SharedQuantityReferenceConverter<SharedOrderQuantity> { }
+
+    internal class SharedQuantityReferenceConverter<T> : JsonConverter<T> where T: SharedQuantityReference, new()
     {
-        if (reader.TokenType != JsonTokenType.StartArray)
+        public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-            throw new Exception("");
+        {
+            if (reader.TokenType != JsonTokenType.StartArray)
+                throw new Exception("");
 
-        reader.Read(); // Start array
+            reader.Read(); // Start array
-        var baseQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
+            var baseQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
-        reader.Read();
+            reader.Read();
-        var quoteQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
+            var quoteQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
-        reader.Read();
+            reader.Read();
-        var contractQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
+            var contractQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
-        reader.Read();
+            reader.Read();
 
-        if (reader.TokenType != JsonTokenType.EndArray)
+            if (reader.TokenType != JsonTokenType.EndArray)
-            throw new Exception("");
+                throw new Exception("");
 
-        reader.Read(); // End array
+            reader.Read(); // End array
 
-        var result = new T();
+            var result = new T();
-        result.QuantityInBaseAsset = baseQuantity;
+            result.QuantityInBaseAsset = baseQuantity;
-        result.QuantityInQuoteAsset = quoteQuantity;
+            result.QuantityInQuoteAsset = quoteQuantity;
-        result.QuantityInContracts = contractQuantity;
+            result.QuantityInContracts = contractQuantity;
-        return result;
+            return result;
-    }
+        }
 
-    public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
-    {
+        {
-        writer.WriteStartArray();
+            writer.WriteStartArray();
-        if (value.QuantityInBaseAsset == null)
+            if (value.QuantityInBaseAsset == null)
-            writer.WriteNullValue();
+                writer.WriteNullValue();
-        else
+            else
-            writer.WriteNumberValue(value.QuantityInBaseAsset.Value);
+                writer.WriteNumberValue(value.QuantityInBaseAsset.Value);
 
-        if (value.QuantityInQuoteAsset == null)
+            if (value.QuantityInQuoteAsset == null)
-            writer.WriteNullValue();
+                writer.WriteNullValue();
-        else
+            else
-            writer.WriteNumberValue(value.QuantityInQuoteAsset.Value);
+                writer.WriteNumberValue(value.QuantityInQuoteAsset.Value);
 
-        if (value.QuantityInContracts == null)
+            if (value.QuantityInContracts == null)
-            writer.WriteNullValue();
+                writer.WriteNullValue();
-        else
+            else
-            writer.WriteNumberValue(value.QuantityInContracts.Value);
+                writer.WriteNumberValue(value.QuantityInContracts.Value);
-        writer.WriteEndArray();
+            writer.WriteEndArray();
+        }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/SharedSymbolConverter.cs

@@ -1,43 +1,44 @@
-using CryptoExchange.Net.SharedApis;
+using CryptoExchange.Net.SharedApis;
 using System;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-internal class SharedSymbolConverter : JsonConverter<SharedSymbol>
 {
-    public override SharedSymbol? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    internal class SharedSymbolConverter : JsonConverter<SharedSymbol>
     {
-        if (reader.TokenType != JsonTokenType.StartArray)
+        public override SharedSymbol? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
-            throw new Exception("");
+        {
+            if (reader.TokenType != JsonTokenType.StartArray)
+                throw new Exception("");
 
-        reader.Read(); // Start array
+            reader.Read(); // Start array
-        var tradingMode = (TradingMode)Enum.Parse(typeof(TradingMode), reader.GetString()!);
+            var tradingMode = (TradingMode)Enum.Parse(typeof(TradingMode), reader.GetString()!);
-        reader.Read();
+            reader.Read();
-        var baseAsset = reader.GetString()!;
+            var baseAsset = reader.GetString()!;
-        reader.Read();
+            reader.Read();
-        var quoteAsset = reader.GetString()!;
+            var quoteAsset = reader.GetString()!;
-        reader.Read();
+            reader.Read();
-        var timeStr = reader.GetString()!;
+            var timeStr = reader.GetString()!;
-        var deliverTime = string.IsNullOrEmpty(timeStr) ? (DateTime?)null : DateTime.Parse(timeStr);
+            var deliverTime = string.IsNullOrEmpty(timeStr) ? (DateTime?)null : DateTime.Parse(timeStr);
-        reader.Read();
+            reader.Read();
 
-        if (reader.TokenType != JsonTokenType.EndArray)
+            if (reader.TokenType != JsonTokenType.EndArray)
-            throw new Exception("");
+                throw new Exception("");
 
-        reader.Read(); // End array
+            reader.Read(); // End array
 
-        return new SharedSymbol(tradingMode, baseAsset, quoteAsset, deliverTime);
+            return new SharedSymbol(tradingMode, baseAsset, quoteAsset, deliverTime);
-    }
+        }
 
-    public override void Write(Utf8JsonWriter writer, SharedSymbol value, JsonSerializerOptions options)
+        public override void Write(Utf8JsonWriter writer, SharedSymbol value, JsonSerializerOptions options)
-    {
+        {
-        writer.WriteStartArray();
+            writer.WriteStartArray();
-        writer.WriteStringValue(value.TradingMode.ToString());
+            writer.WriteStringValue(value.TradingMode.ToString());
-        writer.WriteStringValue(value.BaseAsset);
+            writer.WriteStringValue(value.BaseAsset);
-        writer.WriteStringValue(value.QuoteAsset);
+            writer.WriteStringValue(value.QuoteAsset);
-        writer.WriteStringValue(value.DeliverTime?.ToString());
+            writer.WriteStringValue(value.DeliverTime?.ToString());
-        writer.WriteEndArray();
+            writer.WriteEndArray();
+        }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/SystemTextJsonMessageAccessor.cs

@@ -1,376 +0,0 @@
-using CryptoExchange.Net.Converters.MessageParsing;
-using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Objects;
-using System;
-#if NET5_0_OR_GREATER
-using System.Diagnostics.CodeAnalysis;
-#endif
-using System.IO;
-using System.Text;
-using System.Text.Json;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.Converters.SystemTextJson;
-
-/// <summary>
-/// System.Text.Json message accessor
-/// </summary>
-public abstract class SystemTextJsonMessageAccessor : IMessageAccessor
-{
-    /// <summary>
-    /// The JsonDocument loaded
-    /// </summary>
-    protected JsonDocument? _document;
-
-    private readonly JsonSerializerOptions? _customSerializerOptions;
-
-    /// <inheritdoc />
-    public bool IsValid { get; set; }
-
-    /// <inheritdoc />
-    public abstract bool OriginalDataAvailable { get; }
-
-    /// <inheritdoc />
-    public object? Underlying => throw new NotImplementedException();
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    public SystemTextJsonMessageAccessor(JsonSerializerOptions options)
-    {
-        _customSerializerOptions = options;
-    }
-
-    /// <inheritdoc />
-#if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-    public CallResult<object> Deserialize(Type type, MessagePath? path = null)
-    {
-        if (!IsValid)
-            return new CallResult<object>(GetOriginalString());
-
-        if (_document == null)
-            throw new InvalidOperationException("No json document loaded");
-
-        try
-        {
-            var result = _document.Deserialize(type, _customSerializerOptions);
-            return new CallResult<object>(result!);
-        }
-        catch (JsonException ex)
-        {
-            var info = $"Json deserialization failed: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
-            return new CallResult<object>(new DeserializeError(info, ex));
-        }
-        catch (Exception ex)
-        {
-            return new CallResult<object>(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-        }
-    }
-
-    /// <inheritdoc />
-#if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-    public CallResult<T> Deserialize<T>(MessagePath? path = null)
-    {
-        if (_document == null)
-            throw new InvalidOperationException("No json document loaded");
-
-        try
-        {
-            var result = _document.Deserialize<T>(_customSerializerOptions);
-            return new CallResult<T>(result!);
-        }
-        catch (JsonException ex)
-        {
-            var info = $"Json deserialization failed: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
-            return new CallResult<T>(new DeserializeError(info, ex));
-        }
-        catch (Exception ex)
-        {
-            return new CallResult<T>(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-        }
-    }
-
-    /// <inheritdoc />
-    public NodeType? GetNodeType()
-    {
-        if (!IsValid)
-            throw new InvalidOperationException("Can't access json data on non-json message");
-
-        if (_document == null)
-            throw new InvalidOperationException("No json document loaded");
-
-        return _document.RootElement.ValueKind switch
-        {
-            JsonValueKind.Object => NodeType.Object,
-            JsonValueKind.Array => NodeType.Array,
-            _ => NodeType.Value
-        };
-    }
-
-    /// <inheritdoc />
-    public NodeType? GetNodeType(MessagePath path)
-    {
-        if (!IsValid)
-            throw new InvalidOperationException("Can't access json data on non-json message");
-
-        var node = GetPathNode(path);
-        if (!node.HasValue)
-            return null;
-
-        return node.Value.ValueKind switch
-        {
-            JsonValueKind.Object => NodeType.Object,
-            JsonValueKind.Array => NodeType.Array,
-            _ => NodeType.Value
-        };
-    }
-
-    /// <inheritdoc />
-#if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-    public T? GetValue<T>(MessagePath path)
-    {
-        if (!IsValid)
-            throw new InvalidOperationException("Can't access json data on non-json message");
-
-        var value = GetPathNode(path);
-        if (value == null)
-            return default;
-
-        if (value.Value.ValueKind == JsonValueKind.Object || value.Value.ValueKind == JsonValueKind.Array)
-        {
-            try
-            {
-                return value.Value.Deserialize<T>(_customSerializerOptions);
-            }
-            catch { }
-
-            return default;
-        }
-
-        if (typeof(T) == typeof(string))
-        {
-            if (value.Value.ValueKind == JsonValueKind.Number)
-                return (T)(object)value.Value.GetInt64().ToString();
-        }
-
-        return value.Value.Deserialize<T>(_customSerializerOptions);
-    }
-
-    /// <inheritdoc />
-#if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-#endif
-    public T?[]? GetValues<T>(MessagePath path)
-    {
-        if (!IsValid)
-            throw new InvalidOperationException("Can't access json data on non-json message");
-
-        var value = GetPathNode(path);
-        if (value == null)
-            return default;
-
-        if (value.Value.ValueKind != JsonValueKind.Array)
-            return default;
-
-        return value.Value.Deserialize<T[]>(_customSerializerOptions)!;
-    }
-
-    private JsonElement? GetPathNode(MessagePath path)
-    {
-        if (!IsValid)
-            throw new InvalidOperationException("Can't access json data on non-json message");
-
-        if (_document == null)
-            throw new InvalidOperationException("No json document loaded");
-
-        JsonElement? currentToken = _document.RootElement;
-        foreach (var node in path)
-        {
-            if (node.Type == 0)
-            {
-                // Int value
-                var val = node.Index!.Value;
-                if (currentToken!.Value.ValueKind != JsonValueKind.Array || currentToken.Value.GetArrayLength() <= val)
-                    return null;
-
-                currentToken = currentToken.Value[val];
-            }
-            else if (node.Type == 1)
-            {
-                // String value
-                if (currentToken!.Value.ValueKind != JsonValueKind.Object)
-                    return null;
-
-                if (!currentToken.Value.TryGetProperty(node.Property!, out var token))
-                    return null;
-                currentToken = token;
-            }
-            else
-            {
-                // Property name
-                if (currentToken!.Value.ValueKind != JsonValueKind.Object)
-                    return null;
-
-                throw new NotImplementedException();
-            }
-
-            if (currentToken == null)
-                return null;
-        }
-
-        return currentToken;
-    }
-
-    /// <inheritdoc />
-    public abstract string GetOriginalString();
-
-    /// <inheritdoc />
-    public abstract void Clear();
-}
-
-/// <summary>
-/// System.Text.Json stream message accessor
-/// </summary>
-#pragma warning disable CA1001 // Types that own disposable fields should be disposable
-public class SystemTextJsonStreamMessageAccessor : SystemTextJsonMessageAccessor, IStreamMessageAccessor
-#pragma warning restore CA1001 // Types that own disposable fields should be disposable
-{
-    private Stream? _stream;
-
-    /// <inheritdoc />
-    public override bool OriginalDataAvailable => _stream?.CanSeek == true;
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    public SystemTextJsonStreamMessageAccessor(JsonSerializerOptions options): base(options)
-    {
-    }
-
-    /// <inheritdoc />
-    public async Task<CallResult> Read(Stream stream, bool bufferStream)
-    {
-        if (bufferStream && stream is not MemoryStream)
-        {
-            // We need to be buffer the stream, and it's not currently a seekable stream, so copy it to a new memory stream
-            _stream = new MemoryStream();
-            stream.CopyTo(_stream);
-            _stream.Position = 0;
-        }
-        else if (bufferStream)
-        {
-            // We need to buffer the stream, and the current stream is seekable, store as is
-            _stream = stream;
-        }
-        else
-        {
-            // We don't need to buffer the stream, so don't bother keeping the reference
-        }
-
-        try
-        {
-            _document = await JsonDocument.ParseAsync(_stream ?? stream).ConfigureAwait(false);
-            IsValid = true;
-            return CallResult.SuccessResult;
-        }
-        catch (Exception ex)
-        {
-            // Not a json message
-            IsValid = false;
-            return new CallResult(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-        }
-    }
-
-    /// <inheritdoc />
-    public override string GetOriginalString()
-    {
-        if (_stream is null)
-            throw new NullReferenceException("Stream not initialized");
-
-        _stream.Position = 0;
-        using var textReader = new StreamReader(_stream, Encoding.UTF8, false, 1024, true);
-        return textReader.ReadToEnd();
-    }
-
-    /// <inheritdoc />
-    public override void Clear()
-    {
-        _stream?.Dispose();
-        _stream = null;
-        _document?.Dispose();
-        _document = null;
-    }
-
-}
-
-/// <summary>
-/// System.Text.Json byte message accessor
-/// </summary>
-public class SystemTextJsonByteMessageAccessor : SystemTextJsonMessageAccessor, IByteMessageAccessor
-{
-    private ReadOnlyMemory<byte> _bytes;
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    public SystemTextJsonByteMessageAccessor(JsonSerializerOptions options) : base(options)
-    {
-    }
-
-    /// <inheritdoc />
-    public CallResult Read(ReadOnlyMemory<byte> data)
-    {
-        _bytes = data;
-
-        try
-        {
-            var firstByte = data.Span[0];
-            if (firstByte != 0x7b && firstByte != 0x5b)
-            {
-                // Value doesn't start with `{` or `[`, prevent deserialization attempt as it's slow
-                IsValid = false;
-                return new CallResult(new DeserializeError("Not a json value"));
-            }
-
-            _document = JsonDocument.Parse(data);
-            IsValid = true;
-            return CallResult.SuccessResult;
-        }
-        catch (Exception ex)
-        {
-            // Not a json message
-            IsValid = false;
-            return new CallResult(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-        }
-    }
-
-    /// <inheritdoc />
-    public override string GetOriginalString() =>
-        // NetStandard 2.0 doesn't support GetString from a ReadonlySpan<byte>, so use ToArray there instead
-#if NETSTANDARD2_0
-        Encoding.UTF8.GetString(_bytes.ToArray());
-#else
-        Encoding.UTF8.GetString(_bytes.Span);
-#endif
-
-    /// <inheritdoc />
-    public override bool OriginalDataAvailable => true;
-
-    /// <inheritdoc />
-    public override void Clear()
-    {
-        _bytes = null;
-        _document?.Dispose();
-        _document = null;
-    }
-}

CryptoExchange.Net/Converters/SystemTextJson/SystemTextJsonMessageSerializer.cs

@@ -1,28 +1,27 @@
-using CryptoExchange.Net.Interfaces;
+using CryptoExchange.Net.Interfaces;
-#if NET5_0_OR_GREATER
 using System.Diagnostics.CodeAnalysis;
-#endif
 using System.Text.Json;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Converters.SystemTextJson
-
-/// <inheritdoc />
-public class SystemTextJsonMessageSerializer : IStringMessageSerializer
 {
-    private readonly JsonSerializerOptions _options;
-
-    /// <summary>
-    /// ctor
-    /// </summary>
-    public SystemTextJsonMessageSerializer(JsonSerializerOptions options)
-    {
-        _options = options;
-    }
-
     /// <inheritdoc />
+    public class SystemTextJsonMessageSerializer : IStringMessageSerializer
+    {
+        private readonly JsonSerializerOptions _options;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public SystemTextJsonMessageSerializer(JsonSerializerOptions options)
+        {
+            _options = options;
+        }
+
+        /// <inheritdoc />
 #if NET5_0_OR_GREATER
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "Everything referenced in the loaded assembly is manually preserved, so it's safe")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "Everything referenced in the loaded assembly is manually preserved, so it's safe")]
-    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "Everything referenced in the loaded assembly is manually preserved, so it's safe")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "Everything referenced in the loaded assembly is manually preserved, so it's safe")]
 #endif
-    public string Serialize<T>(T message) => JsonSerializer.Serialize(message, _options);
+        public string Serialize<T>(T message) => JsonSerializer.Serialize(message, _options);
+    }
 }

CryptoExchange.Net/CryptoExchange.Net.csproj

@@ -1,14 +1,14 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net9.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net9.0;net10.0</TargetFrameworks>
   </PropertyGroup>
   <PropertyGroup>
     <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>9.6.0</PackageVersion>
+    <PackageVersion>10.7.1</PackageVersion>
-    <AssemblyVersion>9.6.0</AssemblyVersion>
+    <AssemblyVersion>10.7.1</AssemblyVersion>
-    <FileVersion>9.6.0</FileVersion>
+    <FileVersion>10.7.1</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;CryptoExchange.Net</PackageTags>
     <RepositoryType>git</RepositoryType>
@@ -20,11 +20,10 @@
     <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
     <PackageReleaseNotes>https://github.com/JKorf/CryptoExchange.Net?tab=readme-ov-file#release-notes</PackageReleaseNotes>
     <Nullable>enable</Nullable>
-    <LangVersion>12.0</LangVersion>
+    <LangVersion>latest</LangVersion>
     <PackageLicenseExpression>MIT</PackageLicenseExpression>
   </PropertyGroup>
   <ItemGroup>
-    <None Include="C:\Projects\CryptoExchange.Net\CryptoExchange.Net\.editorconfig" />
     <None Include="Icon\icon.png" Pack="true" PackagePath="\" />
     <None Include="..\README.md" Pack="true" PackagePath="\" />
   </ItemGroup>
@@ -41,31 +40,24 @@
   <PropertyGroup>
     <DocumentationFile>CryptoExchange.Net.xml</DocumentationFile>
   </PropertyGroup>
-  <PropertyGroup>
-    <EnableNETAnalyzers>true</EnableNETAnalyzers>
-    <AnalysisMode>Recommended</AnalysisMode>
-    <AnalysisModeGlobalization>None</AnalysisModeGlobalization>
-    <EnforceCodeStyleInBuild>true</EnforceCodeStyleInBuild>
-  </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="ConfigureAwaitChecker.Analyzer" Version="5.0.0.1">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="9.0.0">
+    <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.101">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.6" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="10.0.1" />
-    <PackageReference Include="System.Text.Json" Version="9.0.6" />
+    <PackageReference Include="System.Text.Json" Version="10.0.1" />
+    <PackageReference Include="NSec.Cryptography" Version="25.4.0" Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net8.0'))" />
   </ItemGroup>
   <ItemGroup Label="Transitive Client Packages">
-    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.6" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="10.0.1" />
-    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.6" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="10.0.1" />
-  </ItemGroup>
+    <PackageReference Include="System.Threading.Channels" Version="10.0.1" />
-  <ItemGroup>
-    <EditorConfigFiles Remove="C:\Projects\CryptoExchange.Net\CryptoExchange.Net\.editorconfig" />
   </ItemGroup>
 </Project>

CryptoExchange.Net/Exceptions/CeDeserializationException.cs

@@ -0,0 +1,24 @@
+using System;
+
+namespace CryptoExchange.Net.Exceptions
+{
+    /// <summary>
+    /// Exception during deserialization
+    /// </summary>
+    public class CeDeserializationException : Exception
+    {
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public CeDeserializationException(string message) : base(message)
+        {
+        }
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public CeDeserializationException(string message, Exception innerException) : base(message, innerException)
+        {
+        }
+    }
+}

CryptoExchange.Net/ExchangeHelpers.cs

@@ -1,390 +1,535 @@
-using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Sockets;
 using CryptoExchange.Net.SharedApis;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
+using System.Linq;
 using System.Runtime.CompilerServices;
-#if NETSTANDARD2_1_OR_GREATER || NET9_0_OR_GREATER
 using System.Security.Cryptography;
-#endif
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace CryptoExchange.Net;
+namespace CryptoExchange.Net
-
-/// <summary>
-/// General helpers functions
-/// </summary>
-public static class ExchangeHelpers
 {
-    private const string _allowedRandomChars = "ABCDEFGHIJKLMONOPQRSTUVWXYZabcdefghijklmonopqrstuvwxyz0123456789";
-    private const string _allowedRandomHexChars = "0123456789ABCDEF";
-
-    private static readonly Dictionary<int, string> _monthSymbols = new Dictionary<int, string>()
-    {
-        { 1, "F" },
-        { 2, "G" },
-        { 3, "H" },
-        { 4, "J" },
-        { 5, "K" },
-        { 6, "M" },
-        { 7, "N" },
-        { 8, "Q" },
-        { 9, "U" },
-        { 10, "V" },
-        { 11, "X" },
-        { 12, "Z" },
-    };
-
     /// <summary>
-    /// The last used id, use NextId() to get the next id and up this
+    /// General helpers functions
     /// </summary>
-    private static int _lastId;
+    public static class ExchangeHelpers
-
-    /// <summary>
-    /// Clamp a value between a min and max
-    /// </summary>
-    /// <param name="min"></param>
-    /// <param name="max"></param>
-    /// <param name="value"></param>
-    /// <returns></returns>
-    public static decimal ClampValue(decimal min, decimal max, decimal value)
     {
-        value = Math.Min(max, value);
+        private const string _allowedRandomChars = "ABCDEFGHIJKLMONOPQRSTUVWXYZabcdefghijklmonopqrstuvwxyz0123456789";
-        value = Math.Max(min, value);
+        private const string _allowedRandomHexChars = "0123456789ABCDEF";
-        return value;
-    }
 
-    /// <summary>
+        private static readonly Dictionary<int, string> _monthSymbols = new Dictionary<int, string>()
-    /// Adjust a value to be between the min and max parameters and rounded to the closest step.
+        {
-    /// </summary>
+            { 1, "F" },
-    /// <param name="min">The min value</param>
+            { 2, "G" },
-    /// <param name="max">The max value</param>
+            { 3, "H" },
-    /// <param name="step">The step size the value should be floored to. For example, value 2.548 with a step size of 0.01 will output 2.54</param>
+            { 4, "J" },
-    /// <param name="roundingType">How to round</param>
+            { 5, "K" },
-    /// <param name="value">The input value</param>
+            { 6, "M" },
-    /// <returns></returns>
+            { 7, "N" },
-    public static decimal AdjustValueStep(decimal min, decimal max, decimal? step, RoundingType roundingType, decimal value)
+            { 8, "Q" },
-    {
+            { 9, "U" },
-        if(step == 0)
+            { 10, "V" },
-            throw new ArgumentException($"0 not allowed for parameter {nameof(step)}, pass in null to ignore the step size", nameof(step));
+            { 11, "X" },
+            { 12, "Z" },
+        };
 
-        value = Math.Min(max, value);
+        /// <summary>
-        value = Math.Max(min, value);
+        /// The last used id, use NextId() to get the next id and up this
-        if (step == null)
+        /// </summary>
+        private static int _lastId;
+
+        /// <summary>
+        /// Clamp a value between a min and max
+        /// </summary>
+        /// <param name="min"></param>
+        /// <param name="max"></param>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static decimal ClampValue(decimal min, decimal max, decimal value)
+        {
+            value = Math.Min(max, value);
+            value = Math.Max(min, value);
             return value;
+        }
 
-        var offset = value % step.Value;
+        /// <summary>
-        if(roundingType == RoundingType.Down)
+        /// Adjust a value to be between the min and max parameters and rounded to the closest step.
+        /// </summary>
+        /// <param name="min">The min value</param>
+        /// <param name="max">The max value</param>
+        /// <param name="step">The step size the value should be floored to. For example, value 2.548 with a step size of 0.01 will output 2.54</param>
+        /// <param name="roundingType">How to round</param>
+        /// <param name="value">The input value</param>
+        /// <returns></returns>
+        public static decimal AdjustValueStep(decimal min, decimal max, decimal? step, RoundingType roundingType, decimal value)
         {
-            value -= offset;
+            if(step == 0)
-        }
+                throw new ArgumentException($"0 not allowed for parameter {nameof(step)}, pass in null to ignore the step size", nameof(step));
-        else if(roundingType == RoundingType.Up)
+
-        {
+            value = Math.Min(max, value);
-            if (offset != 0)
+            value = Math.Max(min, value);
-                value += (step.Value - offset);
+            if (step == null)
-        }
+                return value;
-        else
+
-        {
+            var offset = value % step.Value;
-            if (offset < step / 2)
+            if(roundingType == RoundingType.Down)
+            {
                 value -= offset;
-            else value += (step.Value - offset);
+            }
-        }
+            else if(roundingType == RoundingType.Up)
-
-        value = RoundDown(value, 8);
-            
-        return value.Normalize();
-    }
-
-    /// <summary>
-    /// Adjust a value to be between the min and max parameters and rounded to the closest precision.
-    /// </summary>
-    /// <param name="min">The min value</param>
-    /// <param name="max">The max value</param>
-    /// <param name="precision">The precision the value should be rounded to. For example, value 2.554215 with a precision of 5 will output 2.5542</param>
-    /// <param name="roundingType">How to round</param>
-    /// <param name="value">The input value</param>
-    /// <returns></returns>
-    public static decimal AdjustValuePrecision(decimal min, decimal max, int? precision, RoundingType roundingType, decimal value)
-    {
-        value = Math.Min(max, value);
-        value = Math.Max(min, value);
-        if (precision == null)
-            return value;
-
-        return RoundToSignificantDigits(value, precision.Value, roundingType);
-    }
-
-    /// <summary>
-    /// Apply the provided rules to the value
-    /// </summary>
-    /// <param name="value">Value to be adjusted</param>
-    /// <param name="decimals">Max decimal places</param>
-    /// <param name="valueStep">The value step for increase/decrease value</param>
-    /// <returns></returns>
-    public static decimal ApplyRules(
-        decimal value,
-        int? decimals = null,
-        decimal? valueStep = null)
-    {
-        if (valueStep.HasValue)
-        {
-            var offset = value % valueStep.Value;
-            if (offset != 0)
             {
-                if (offset < valueStep.Value / 2)
+                if (offset != 0)
+                    value += (step.Value - offset);
+            }
+            else
+            {
+                if (offset < step / 2)
                     value -= offset;
-                else value += (valueStep.Value - offset);
+                else value += (step.Value - offset);
             }
+                
+            return value.Normalize();
         }
-        if (decimals.HasValue)
-            value = Math.Round(value, decimals.Value);
 
-        return value;
+        /// <summary>
-    }
+        /// Adjust a value to be between the min and max parameters and rounded to the closest precision.
-
+        /// </summary>
-    /// <summary>
+        /// <param name="min">The min value</param>
-    /// Round a value to have the provided total number of digits. For example, value 253.12332 with 5 digits would be 253.12 
+        /// <param name="max">The max value</param>
-    /// </summary>
+        /// <param name="precision">The precision the value should be rounded to. For example, value 2.554215 with a precision of 5 will output 2.5542</param>
-    /// <param name="value">The value to round</param>
+        /// <param name="roundingType">How to round</param>
-    /// <param name="digits">The total amount of digits (NOT decimal places) to round to</param>
+        /// <param name="value">The input value</param>
-    /// <param name="roundingType">How to round</param>
+        /// <returns></returns>
-    /// <returns></returns>
+        public static decimal AdjustValuePrecision(decimal min, decimal max, int? precision, RoundingType roundingType, decimal value)
-    public static decimal RoundToSignificantDigits(decimal value, int digits, RoundingType roundingType)
-    {
-        var val = (double)value;
-        if (value == 0)
-            return 0;
-
-        double scale = Math.Pow(10, Math.Floor(Math.Log10(Math.Abs(val))) + 1);
-        if(roundingType == RoundingType.Closest)
-            return (decimal)(scale * Math.Round(val / scale, digits));
-        else
-            return (decimal)(scale * (double)RoundDown((decimal)(val / scale), digits));
-    }
-
-    /// <summary>
-    /// Rounds a value down 
-    /// </summary>
-    public static decimal RoundDown(decimal i, double decimalPlaces)
-    {
-        var power = Convert.ToDecimal(Math.Pow(10, decimalPlaces));
-        return Math.Floor(i * power) / power;
-    }
-
-    /// <summary>
-    /// Rounds a value up
-    /// </summary>
-    public static decimal RoundUp(decimal i, double decimalPlaces)
-    {
-        var power = Convert.ToDecimal(Math.Pow(10, decimalPlaces));
-        return Math.Ceiling(i * power) / power;
-    }
-
-    /// <summary>
-    /// Strips any trailing zero's of a decimal value, useful when converting the value to string.
-    /// </summary>
-    /// <param name="value"></param>
-    /// <returns></returns>
-    public static decimal Normalize(this decimal value)
-    {
-        return value / 1.000000000000000000000000000000000m;
-    }
-
-    /// <summary>
-    /// Generate a new unique id. The id is statically stored so it is guaranteed to be unique
-    /// </summary>
-    /// <returns></returns>
-    public static int NextId() => Interlocked.Increment(ref _lastId);
-
-    /// <summary>
-    /// Return the last unique id that was generated
-    /// </summary>
-    /// <returns></returns>
-    public static int LastId() => _lastId;
-
-    /// <summary>
-    /// Generate a random string of specified length
-    /// </summary>
-    /// <param name="length">Length of the random string</param>
-    /// <returns></returns>
-    public static string RandomString(int length)
-    {
-        var randomChars = new char[length];
-
-#if NETSTANDARD2_1_OR_GREATER || NET9_0_OR_GREATER
-        for (int i = 0; i < length; i++)
-            randomChars[i] = _allowedRandomChars[RandomNumberGenerator.GetInt32(0, _allowedRandomChars.Length)];
-#else
-        var random = new Random();
-        for (int i = 0; i < length; i++)
-            randomChars[i] = _allowedRandomChars[random.Next(0, _allowedRandomChars.Length)];
-#endif
-
-        return new string(randomChars);
-    }
-
-    /// <summary>
-    /// Generate a random string of specified length
-    /// </summary>
-    /// <param name="length">Length of the random string</param>
-    /// <returns></returns>
-    public static string RandomHexString(int length)
-    {
-#if NET9_0_OR_GREATER
-        return "0x" + RandomNumberGenerator.GetHexString(length * 2);
-#else
-        var randomChars = new char[length * 2];
-        var random = new Random();
-        for (int i = 0; i < length * 2; i++)
-            randomChars[i] = _allowedRandomHexChars[random.Next(0, _allowedRandomHexChars.Length)];
-        return "0x" + new string(randomChars);
-#endif
-    }
-
-    /// <summary>
-    /// Generate a long value
-    /// </summary>
-    /// <param name="maxLength">Max character length</param>
-    /// <returns></returns>
-    public static long RandomLong(int maxLength)
-    {
-#if NETSTANDARD2_1_OR_GREATER || NET9_0_OR_GREATER
-        var value = RandomNumberGenerator.GetInt32(0, int.MaxValue);
-#else
-        var random = new Random();
-        var value = random.Next(0, int.MaxValue);
-#endif
-        var val = value.ToString();
-        if (val.Length > maxLength)
-            return int.Parse(val.Substring(0, maxLength));
-        else
-            return value;
-    }
-
-    /// <summary>
-    /// Generate a random string of specified length
-    /// </summary>
-    /// <param name="source">The initial string</param>
-    /// <param name="totalLength">Total length of the resulting string</param>
-    /// <returns></returns>
-    public static string AppendRandomString(string source, int totalLength)
-    {
-        if (totalLength < source.Length)
-            throw new ArgumentException("Total length smaller than source string length", nameof(totalLength));
-
-        if (totalLength == source.Length)
-            return source;
-
-        return source + RandomString(totalLength - source.Length);
-    }
-
-    /// <summary>
-    /// Get the month representation for futures symbol based on the delivery month
-    /// </summary>
-    /// <param name="time">Delivery time</param>
-    /// <returns></returns>
-    public static string GetDeliveryMonthSymbol(DateTime time) => _monthSymbols[time.Month];
-
-    /// <summary>
-    /// Execute multiple requests to retrieve multiple pages of the result set
-    /// </summary>
-    /// <typeparam name="TResult">Type of the client</typeparam>
-    /// <typeparam name="TRequest">Type of the request</typeparam>
-    /// <param name="paginatedFunc">The func to execute with each request</param>
-    /// <param name="request">The request parameters</param>
-    /// <param name="ct">Cancellation token</param>
-    /// <returns></returns>
-    public static async IAsyncEnumerable<ExchangeWebResult<TResult[]>> ExecutePages<TResult, TRequest>(Func<TRequest, INextPageToken?, CancellationToken, Task<ExchangeWebResult<TResult[]>>> paginatedFunc, TRequest request, [EnumeratorCancellation]CancellationToken ct = default)
-    {
-        var result = new List<TResult>();
-        ExchangeWebResult<TResult[]> batch;
-        INextPageToken? nextPageToken = null;
-        while (true)
         {
-            batch = await paginatedFunc(request, nextPageToken, ct).ConfigureAwait(false);
+            value = Math.Min(max, value);
-            yield return batch;
+            value = Math.Max(min, value);
-            if (!batch || ct.IsCancellationRequested)
+            if (precision == null)
-                break;
+                return value;
 
-            result.AddRange(batch.Data);
+            return RoundToSignificantDigits(value, precision.Value, roundingType);
-            nextPageToken = batch.NextPageToken;
-            if (nextPageToken == null)
-                break;
         }
-    }
 
-    /// <summary>
+        /// <summary>
-    /// Apply the rules (price and quantity step size and decimals precision, min/max quantity) from the symbol to the quantity and price
+        /// Apply the provided rules to the value
-    /// </summary>
+        /// </summary>
-    /// <param name="symbol">The symbol as retrieved from the exchange</param>
+        /// <param name="value">Value to be adjusted</param>
-    /// <param name="quantity">Quantity to trade</param>
+        /// <param name="decimals">Max decimal places</param>
-    /// <param name="price">Price to trade at</param>
+        /// <param name="valueStep">The value step for increase/decrease value</param>
-    /// <param name="adjustedQuantity">Quantity adjusted to match all trading rules</param>
+        /// <returns></returns>
-    /// <param name="adjustedPrice">Price adjusted to match all trading rules</param>
+        public static decimal ApplyRules(
-    public static void ApplySymbolRules(SharedSpotSymbol symbol, decimal quantity, decimal? price, out decimal adjustedQuantity, out decimal? adjustedPrice)
+            decimal value,
-    {
+            int? decimals = null,
-        adjustedPrice = price;
+            decimal? valueStep = null)
-        adjustedQuantity = quantity;
-        var minNotionalAdjust = false;
-
-        if (price != null)
         {
-            adjustedPrice = AdjustValueStep(0, decimal.MaxValue, symbol.PriceStep, RoundingType.Down, price.Value);
+            if (valueStep.HasValue)
-            adjustedPrice = symbol.PriceSignificantFigures.HasValue ? RoundToSignificantDigits(adjustedPrice.Value, symbol.PriceSignificantFigures.Value, RoundingType.Closest) : adjustedPrice;
-            adjustedPrice = symbol.PriceDecimals.HasValue ? RoundDown(price.Value, symbol.PriceDecimals.Value) : adjustedPrice;
-            if (adjustedPrice != 0 && adjustedPrice * quantity < symbol.MinNotionalValue)
             {
-                adjustedQuantity = symbol.MinNotionalValue.Value / adjustedPrice.Value;
+                var offset = value % valueStep.Value;
-                minNotionalAdjust = true;
+                if (offset != 0)
+                {
+                    if (offset < valueStep.Value / 2)
+                        value -= offset;
+                    else value += (valueStep.Value - offset);
+                }
+            }
+            if (decimals.HasValue)
+                value = Math.Round(value, decimals.Value);
+
+            return value;
+        }
+
+        /// <summary>
+        /// Round a value to have the provided total number of digits. For example, value 253.12332 with 5 digits would be 253.12 
+        /// </summary>
+        /// <param name="value">The value to round</param>
+        /// <param name="digits">The total amount of digits (NOT decimal places) to round to</param>
+        /// <param name="roundingType">How to round</param>
+        /// <returns></returns>
+        public static decimal RoundToSignificantDigits(decimal value, int digits, RoundingType roundingType)
+        {
+            var val = (double)value;
+            if (value == 0)
+                return 0;
+
+            double scale = Math.Pow(10, Math.Floor(Math.Log10(Math.Abs(val))) + 1);
+            if(roundingType == RoundingType.Closest)
+                return (decimal)(scale * Math.Round(val / scale, digits));
+            else
+                return (decimal)(scale * (double)RoundDown((decimal)(val / scale), digits));
+        }
+
+        /// <summary>
+        /// Rounds a value down 
+        /// </summary>
+        public static decimal RoundDown(decimal i, double decimalPlaces)
+        {
+            var power = Convert.ToDecimal(Math.Pow(10, decimalPlaces));
+            return Math.Floor(i * power) / power;
+        }
+
+        /// <summary>
+        /// Rounds a value up
+        /// </summary>
+        public static decimal RoundUp(decimal i, double decimalPlaces)
+        {
+            var power = Convert.ToDecimal(Math.Pow(10, decimalPlaces));
+            return Math.Ceiling(i * power) / power;
+        }
+
+        /// <summary>
+        /// Strips any trailing zero's of a decimal value, useful when converting the value to string.
+        /// </summary>
+        /// <param name="value"></param>
+        /// <returns></returns>
+        public static decimal Normalize(this decimal value)
+        {
+            return value / 1.000000000000000000000000000000000m;
+        }
+
+        /// <summary>
+        /// Generate a new unique id. The id is statically stored so it is guaranteed to be unique
+        /// </summary>
+        /// <returns></returns>
+        public static int NextId() => Interlocked.Increment(ref _lastId);
+
+        /// <summary>
+        /// Return the last unique id that was generated
+        /// </summary>
+        /// <returns></returns>
+        public static int LastId() => _lastId;
+
+        /// <summary>
+        /// Generate a random string of specified length
+        /// </summary>
+        /// <param name="length">Length of the random string</param>
+        /// <returns></returns>
+        public static string RandomString(int length)
+        {
+            var randomChars = new char[length];
+
+#if NETSTANDARD2_1_OR_GREATER || NET9_0_OR_GREATER
+            for (int i = 0; i < length; i++)
+                randomChars[i] = _allowedRandomChars[RandomNumberGenerator.GetInt32(0, _allowedRandomChars.Length)];
+#else
+            var random = new Random();
+            for (int i = 0; i < length; i++)
+                randomChars[i] = _allowedRandomChars[random.Next(0, _allowedRandomChars.Length)];
+#endif
+
+            return new string(randomChars);
+        }
+
+        /// <summary>
+        /// Generate a random string of specified length
+        /// </summary>
+        /// <param name="length">Length of the random string</param>
+        /// <returns></returns>
+        public static string RandomHexString(int length)
+        {
+#if NET9_0_OR_GREATER
+            return "0x" + RandomNumberGenerator.GetHexString(length * 2);
+#else
+            var randomChars = new char[length * 2];
+            var random = new Random();
+            for (int i = 0; i < length * 2; i++)
+                randomChars[i] = _allowedRandomHexChars[random.Next(0, _allowedRandomHexChars.Length)];
+            return "0x" + new string(randomChars);
+#endif
+        }
+
+        /// <summary>
+        /// Generate a long value
+        /// </summary>
+        /// <param name="maxLength">Max number of digits</param>
+        public static long RandomLong(int maxLength)
+        {
+#if NETSTANDARD2_1_OR_GREATER || NET9_0_OR_GREATER
+            var value = RandomNumberGenerator.GetInt32(0, int.MaxValue);
+#else
+            var random = new Random();
+            var value = random.Next(0, int.MaxValue);
+#endif
+            var val = value.ToString();
+            if (val.Length > maxLength)
+                return int.Parse(val.Substring(0, maxLength));
+            else
+                return value;
+        }
+
+        /// <summary>
+        /// Generate a long value between two values
+        /// </summary>
+        /// <param name="minValue">Min value</param>
+        /// <param name="maxValue">Max value</param>
+        /// <returns></returns>
+        public static long RandomLong(long minValue, long maxValue)
+        {
+#if NET8_0_OR_GREATER
+            var buf = RandomNumberGenerator.GetBytes(8);
+#else
+            byte[] buf = new byte[8];
+            var random = new Random();
+            random.NextBytes(buf);
+#endif
+            long longRand = BitConverter.ToInt64(buf, 0);
+            return (Math.Abs(longRand % (maxValue - minValue)) + minValue);
+        }
+
+        /// <summary>
+        /// Generate a random string of specified length
+        /// </summary>
+        /// <param name="source">The initial string</param>
+        /// <param name="totalLength">Total length of the resulting string</param>
+        /// <returns></returns>
+        public static string AppendRandomString(string source, int totalLength)
+        {
+            if (totalLength < source.Length)
+                throw new ArgumentException("Total length smaller than source string length", nameof(totalLength));
+
+            if (totalLength == source.Length)
+                return source;
+
+            return source + RandomString(totalLength - source.Length);
+        }
+
+        /// <summary>
+        /// Get the month representation for futures symbol based on the delivery month
+        /// </summary>
+        /// <param name="time">Delivery time</param>
+        /// <returns></returns>
+        public static string GetDeliveryMonthSymbol(DateTime time) => _monthSymbols[time.Month];
+
+        /// <summary>
+        /// Execute multiple requests to retrieve multiple pages of the result set
+        /// </summary>
+        /// <typeparam name="T">Type of the client</typeparam>
+        /// <typeparam name="U">Type of the request</typeparam>
+        /// <param name="paginatedFunc">The func to execute with each request</param>
+        /// <param name="request">The request parameters</param>
+        /// <param name="ct">Cancellation token</param>
+        /// <returns></returns>
+        public static async IAsyncEnumerable<ExchangeWebResult<T[]>> ExecutePages<T, U>(Func<U, PageRequest?, CancellationToken, Task<ExchangeWebResult<T[]>>> paginatedFunc, U request, [EnumeratorCancellation]CancellationToken ct = default)
+        {
+            var result = new List<T>();
+            ExchangeWebResult<T[]> batch;
+            PageRequest? nextPageToken = null;
+            while (true)
+            {
+                batch = await paginatedFunc(request, nextPageToken, ct).ConfigureAwait(false);
+                yield return batch;
+                if (!batch || ct.IsCancellationRequested)
+                    break;
+
+                result.AddRange(batch.Data);
+                nextPageToken = batch.NextPageRequest;
+                if (nextPageToken == null)
+                    break;
             }
         }
 
-        adjustedQuantity = AdjustValueStep(symbol.MinTradeQuantity ?? 0, symbol.MaxTradeQuantity ?? decimal.MaxValue, symbol.QuantityStep, minNotionalAdjust ? RoundingType.Up : RoundingType.Down, adjustedQuantity);
+        /// <summary>
-        adjustedQuantity = symbol.QuantityDecimals.HasValue ? (minNotionalAdjust ? RoundUp(adjustedQuantity, symbol.QuantityDecimals.Value) : RoundDown(adjustedQuantity, symbol.QuantityDecimals.Value)) : adjustedQuantity;
+        /// Apply filters to the data set
-
+        /// </summary>
-    }
+        /// <typeparam name="T">Type</typeparam>
-
+        /// <param name="data">Data set</param>
-    /// <summary>
+        /// <param name="timeSelector">Time selector for the data</param>
-    /// Parse a decimal value from a string
+        /// <param name="startTime">Start time filter</param>
-    /// </summary>
+        /// <param name="endTime">End time filter</param>
-    public static decimal? ParseDecimal(string? value)
+        /// <param name="direction">Data direction</param>
-    {
+        public static IEnumerable<T> ApplyFilter<T>(
-        // Value is null or empty is the most common case to return null so check before trying to parse
+            IEnumerable<T> data,
-        if (string.IsNullOrEmpty(value))            
+            Func<T, DateTime> timeSelector,
-            return null;            
+            DateTime? startTime,
-
+            DateTime? endTime,
-        // Try parse, only fails for these reasons:
+            DataDirection direction)
-        // 1. string is null or empty
-        // 2. value is larger or smaller than decimal max/min
-        // 3. unparsable format
-        if (decimal.TryParse(value, NumberStyles.Float, CultureInfo.InvariantCulture, out var decValue))
-            return decValue;
-
-        // Check for values which should be parsed to null
-        if (string.Equals("null", value, StringComparison.OrdinalIgnoreCase)
-            || string.Equals("NaN", value, StringComparison.OrdinalIgnoreCase))
         {
+            if (direction == DataDirection.Ascending)
+                data = data.OrderBy(timeSelector);
+            else
+                data = data.OrderByDescending(timeSelector);
+
+            if (startTime != null)
+                data = data.Where(x => timeSelector(x) >= startTime.Value);
+
+            if (endTime != null)
+                data = data.Where(x => timeSelector(x) < endTime.Value);
+
+            return data;
+        }
+
+        /// <summary>
+        /// Apply the rules (price and quantity step size and decimals precision, min/max quantity) from the symbol to the quantity and price
+        /// </summary>
+        /// <param name="symbol">The symbol as retrieved from the exchange</param>
+        /// <param name="quantity">Quantity to trade</param>
+        /// <param name="price">Price to trade at</param>
+        /// <param name="adjustedQuantity">Quantity adjusted to match all trading rules</param>
+        /// <param name="adjustedPrice">Price adjusted to match all trading rules</param>
+        public static void ApplySymbolRules(SharedSpotSymbol symbol, decimal quantity, decimal? price, out decimal adjustedQuantity, out decimal? adjustedPrice)
+        {
+            adjustedPrice = price;
+            adjustedQuantity = quantity;
+            var minNotionalAdjust = false;
+
+            if (price != null)
+            {
+                adjustedPrice = AdjustValueStep(0, decimal.MaxValue, symbol.PriceStep, RoundingType.Down, price.Value);
+                adjustedPrice = symbol.PriceSignificantFigures.HasValue ? RoundToSignificantDigits(adjustedPrice.Value, symbol.PriceSignificantFigures.Value, RoundingType.Closest) : adjustedPrice;
+                adjustedPrice = symbol.PriceDecimals.HasValue ? RoundDown(price.Value, symbol.PriceDecimals.Value) : adjustedPrice;
+                if (adjustedPrice != 0 && adjustedPrice * quantity < symbol.MinNotionalValue)
+                {
+                    adjustedQuantity = symbol.MinNotionalValue.Value / adjustedPrice.Value;
+                    minNotionalAdjust = true;
+                }
+            }
+
+            adjustedQuantity = AdjustValueStep(symbol.MinTradeQuantity ?? 0, symbol.MaxTradeQuantity ?? decimal.MaxValue, symbol.QuantityStep, minNotionalAdjust ? RoundingType.Up : RoundingType.Down, adjustedQuantity);
+            adjustedQuantity = symbol.QuantityDecimals.HasValue ? (minNotionalAdjust ? RoundUp(adjustedQuantity, symbol.QuantityDecimals.Value) : RoundDown(adjustedQuantity, symbol.QuantityDecimals.Value)) : adjustedQuantity;
+
+        }
+
+        /// <summary>
+        /// Queue updates received from a websocket subscriptions and process them async
+        /// </summary>
+        /// <typeparam name="T">The queued update type</typeparam>
+        /// <param name="subscribeCall">The subscribe call</param>
+        /// <param name="asyncHandler">The async update handler</param>
+        /// <param name="maxQueuedItems">The max number of updates to be queued up. When happens when the queue is full and a new write is attempted can be specified with <see>fullMode</see></param>
+        /// <param name="fullBehavior">What should happen if the queue contains <see>maxQueuedItems</see> pending updates. If no max is set this setting is ignored</param>
+        public static async Task<CallResult<UpdateSubscription>> ProcessQueuedAsync<T>(
+            Func<Action<DataEvent<T>>, Task<CallResult<UpdateSubscription>>> subscribeCall,
+            Func<DataEvent<T>, Task> asyncHandler,
+            int? maxQueuedItems = null,
+            QueueFullBehavior? fullBehavior = null)
+        {
+            var processor = new ProcessQueue<DataEvent<T>>(asyncHandler, maxQueuedItems, fullBehavior);
+            await processor.StartAsync().ConfigureAwait(false);
+            var result = await subscribeCall(upd => processor.Write(upd)).ConfigureAwait(false);
+            if (!result)
+            {
+                await processor.StopAsync().ConfigureAwait(false);
+                return result;
+            }
+
+            processor.Exception += result.Data._subscription.InvokeExceptionHandler;
+            result.Data.SubscriptionStatusChanged += (upd) =>
+            {
+                if (upd == CryptoExchange.Net.Objects.SubscriptionStatus.Closed)
+                    _ = processor.StopAsync(true);
+            };
+
+            return result;
+        }
+
+        /// <summary>
+        /// Queue updates and process them async
+        /// </summary>
+        /// <typeparam name="T">The queued update type</typeparam>
+        /// <param name="subscribeCall">The subscribe call</param>
+        /// <param name="asyncHandler">The async update handler</param>
+        /// <param name="maxQueuedItems">The max number of updates to be queued up. When happens when the queue is full and a new write is attempted can be specified with <see>fullMode</see></param>
+        /// <param name="fullBehavior">What should happen if the queue contains <see>maxQueuedItems</see> pending updates. If no max is set this setting is ignored</param>
+        /// <param name="ct">Cancellation token to stop the processing</param>
+        public static async Task ProcessQueuedAsync<T>(
+            Func<Action<T>, Task> subscribeCall,
+            Func<T, Task> asyncHandler,
+            CancellationToken ct,
+            int? maxQueuedItems = null,
+            QueueFullBehavior? fullBehavior = null)
+        {
+            var processor = new ProcessQueue<T>(asyncHandler, maxQueuedItems, fullBehavior);
+            await processor.StartAsync().ConfigureAwait(false);
+            ct.Register(async () =>
+            {
+                await processor.StopAsync().ConfigureAwait(false);
+            });
+
+            await subscribeCall(upd => processor.Write(upd)).ConfigureAwait(false);
+        }
+
+        /// <summary>
+        /// Queue updates received from a websocket subscriptions and process them async
+        /// </summary>
+        /// <typeparam name="TEventType">The type of the queued item</typeparam>
+        /// <typeparam name="TOutputType">The type of the item to pass to the processor</typeparam>
+        /// <param name="subscribeCall">The subscribe call</param>
+        /// <param name="mapper">The mapper function to go from <see>TEventType</see> to <see>TOutputType</see></param>
+        /// <param name="asyncHandler">The async update handler</param>
+        /// <param name="maxQueuedItems">The max number of updates to be queued up. When happens when the queue is full and a new write is attempted can be specified with <see>fullMode</see></param>
+        /// <param name="fullBehavior">What should happen if the queue contains <see>maxQueuedItems</see> pending updates. If no max is set this setting is ignored</param>
+        public static async Task<CallResult<UpdateSubscription>> ProcessQueuedAsync<TEventType, TOutputType>(
+            Func<ProcessQueue<DataEvent<TEventType>>, Task<CallResult<UpdateSubscription>>> subscribeCall,
+            Func<DataEvent<TEventType>, DataEvent<TOutputType>> mapper,
+            Func<DataEvent<TOutputType>, Task> asyncHandler,
+            int? maxQueuedItems = null,
+            QueueFullBehavior? fullBehavior = null
+            )
+        {
+            var processor = new ProcessQueue<DataEvent<TEventType>>((update) => {
+                return asyncHandler.Invoke(mapper.Invoke(update));
+            }, maxQueuedItems, fullBehavior);
+            await processor.StartAsync().ConfigureAwait(false);
+            var result = await subscribeCall(processor).ConfigureAwait(false);
+            if (!result)
+            {
+                await processor.StopAsync().ConfigureAwait(false);
+                return result;
+            }
+
+            processor.Exception += result.Data._subscription.InvokeExceptionHandler;
+            result.Data.SubscriptionStatusChanged += (upd) =>
+            {
+                if (upd == SubscriptionStatus.Closed)
+                    _ = processor.StopAsync(true);
+            };
+
+            return result;
+        }
+
+        /// <summary>
+        /// Parse a decimal value from a string
+        /// </summary>
+        public static decimal? ParseDecimal(string? value)
+        {
+            // Value is null or empty is the most common case to return null so check before trying to parse
+            if (string.IsNullOrEmpty(value))            
+                return null;            
+
+            // Try parse, only fails for these reasons:
+            // 1. string is null or empty
+            // 2. value is larger or smaller than decimal max/min
+            // 3. unparsable format
+            if (decimal.TryParse(value, NumberStyles.Float, CultureInfo.InvariantCulture, out var decValue))
+                return decValue;
+
+            // Check for values which should be parsed to null
+            if (string.Equals("null", value, StringComparison.OrdinalIgnoreCase)
+                || string.Equals("NaN", value, StringComparison.OrdinalIgnoreCase))
+            {
+                return null;
+            }
+
+            // Infinity value should be parsed to min/max value
+            if (string.Equals("Infinity", value, StringComparison.OrdinalIgnoreCase))
+                return decimal.MaxValue;
+            else if(string.Equals("-Infinity", value, StringComparison.OrdinalIgnoreCase))
+                    return decimal.MinValue;
+
+            if (value!.Length > 27 && decimal.TryParse(value.Substring(0, 27), out var overflowValue))
+            {
+                // Not a valid decimal value and more than 27 chars, from which the first part can be parsed correctly.
+                // assume overflow
+                if (overflowValue < 0)
+                    return decimal.MinValue;
+                else
+                    return decimal.MaxValue;
+            }
+
+            // Unknown decimal format, return null
             return null;
         }
-
-        // Infinity value should be parsed to min/max value
-        if (string.Equals("Infinity", value, StringComparison.OrdinalIgnoreCase))
-            return decimal.MaxValue;
-        else if(string.Equals("-Infinity", value, StringComparison.OrdinalIgnoreCase))
-                return decimal.MinValue;
-
-        if (value!.Length > 27 && decimal.TryParse(value.Substring(0, 27), out var overflowValue))
-        {
-            // Not a valid decimal value and more than 27 chars, from which the first part can be parsed correctly.
-            // assume overflow
-            if (overflowValue < 0)
-                return decimal.MinValue;
-            else
-                return decimal.MaxValue;
-        }
-
-        // Unknown decimal format, return null
-        return null;
     }
 }

CryptoExchange.Net/ExchangeSymbolCache.cs

@@ -1,68 +1,129 @@
-using CryptoExchange.Net.SharedApis;
+using CryptoExchange.Net.SharedApis;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.Linq;
 
-namespace CryptoExchange.Net;
+namespace CryptoExchange.Net
-
-/// <summary>
-/// Cache for symbol parsing
-/// </summary>
-public static class ExchangeSymbolCache
 {
-    private static ConcurrentDictionary<string, ExchangeInfo> _symbolInfos = new ConcurrentDictionary<string, ExchangeInfo>();
-
     /// <summary>
-    /// Update the cached symbol data for an exchange
+    /// Cache for symbol parsing
     /// </summary>
-    /// <param name="topicId">Id for the provided data</param>
+    public static class ExchangeSymbolCache
-    /// <param name="updateData">Symbol data</param>
-    public static void UpdateSymbolInfo(string topicId, SharedSpotSymbol[] updateData)
     {
-        if(!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+        private static ConcurrentDictionary<string, ExchangeInfo> _symbolInfos = new ConcurrentDictionary<string, ExchangeInfo>();
+
+        /// <summary>
+        /// Update the cached symbol data for an exchange
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="updateData">Symbol data</param>
+        public static void UpdateSymbolInfo(string topicId, SharedSpotSymbol[] updateData)
         {
-            exchangeInfo = new ExchangeInfo(DateTime.UtcNow, updateData.ToDictionary(x => x.Name, x => x.SharedSymbol));                
+            if(!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
-            _symbolInfos.TryAdd(topicId, exchangeInfo);
+            {
+                exchangeInfo = new ExchangeInfo(DateTime.UtcNow, updateData.ToDictionary(x => x.Name, x => x.SharedSymbol));                
+                _symbolInfos.TryAdd(topicId, exchangeInfo);
+            }
+
+            if (DateTime.UtcNow - exchangeInfo.UpdateTime < TimeSpan.FromMinutes(60))
+                return;
+
+            _symbolInfos[topicId] = new ExchangeInfo(DateTime.UtcNow, updateData.ToDictionary(x => x.Name, x => x.SharedSymbol));
         }
 
-        if (DateTime.UtcNow - exchangeInfo.UpdateTime < TimeSpan.FromMinutes(60))
+        /// <summary>
-            return;
+        /// Whether the specific topic has been cached
-
+        /// </summary>
-        _symbolInfos[topicId] = new ExchangeInfo(DateTime.UtcNow, updateData.ToDictionary(x => x.Name, x => x.SharedSymbol));
+        /// <param name="topicId">Id</param>
-    }
+        public static bool HasCached(string topicId)
-
-    /// <summary>
-    /// Parse a symbol name to a SharedSymbol
-    /// </summary>
-    /// <param name="topicId">Id for the provided data</param>
-    /// <param name="symbolName">Symbol name</param>
-    public static SharedSymbol? ParseSymbol(string topicId, string? symbolName)
-    {
-        if (symbolName == null)
-            return null;
-
-        if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
-            return null;
-
-        if (!exchangeInfo.Symbols.TryGetValue(symbolName, out var symbolInfo))
-            return null;
-
-        return new SharedSymbol(symbolInfo.TradingMode, symbolInfo.BaseAsset, symbolInfo.QuoteAsset, symbolName)
         {
-            DeliverTime = symbolInfo.DeliverTime
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
-        };
+                return false;
-    }
 
-    class ExchangeInfo
+            return exchangeInfo.Symbols.Count > 0;
-    {
+        }
-        public DateTime UpdateTime { get; set; }
-        public Dictionary<string, SharedSymbol> Symbols { get; set; }
 
-        public ExchangeInfo(DateTime updateTime, Dictionary<string, SharedSymbol> symbols)
+        /// <summary>
+        /// Whether a specific exchange(topic) support the provided symbol
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="symbolName">The symbol name</param>
+        public static bool SupportsSymbol(string topicId, string symbolName)
         {
-            UpdateTime = updateTime;
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
-            Symbols = symbols;
+                return false;
+
+            if (!exchangeInfo.Symbols.TryGetValue(symbolName, out var symbolInfo))
+                return false;
+
+            return true;
+        }
+
+        /// <summary>
+        /// Whether a specific exchange(topic) support the provided symbol
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="symbol">The symbol info</param>
+        public static bool SupportsSymbol(string topicId, SharedSymbol symbol)
+        {
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+                return false;
+
+            return exchangeInfo.Symbols.Any(x => 
+                x.Value.TradingMode == symbol.TradingMode 
+                && x.Value.BaseAsset == symbol.BaseAsset 
+                && x.Value.QuoteAsset == symbol.QuoteAsset);
+        }
+
+        /// <summary>
+        /// Get all symbols for a specific base asset
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="baseAsset">Base asset name</param>
+        public static SharedSymbol[] GetSymbolsForBaseAsset(string topicId, string baseAsset)
+        {
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+                return [];
+
+            return exchangeInfo.Symbols
+                .Where(x => x.Value.BaseAsset.Equals(baseAsset, StringComparison.InvariantCultureIgnoreCase))
+                .Select(x => x.Value)
+                .ToArray();
+        }
+
+        /// <summary>
+        /// Parse a symbol name to a SharedSymbol
+        /// </summary>
+        /// <param name="topicId">Id for the provided data</param>
+        /// <param name="symbolName">Symbol name</param>
+        public static SharedSymbol? ParseSymbol(string topicId, string? symbolName)
+        {
+            if (symbolName == null)
+                return null;
+
+            if (!_symbolInfos.TryGetValue(topicId, out var exchangeInfo))
+                return null;
+
+            if (!exchangeInfo.Symbols.TryGetValue(symbolName, out var symbolInfo))
+                return null;
+
+            return new SharedSymbol(symbolInfo.TradingMode, symbolInfo.BaseAsset, symbolInfo.QuoteAsset, symbolName)
+            {
+                DeliverTime = symbolInfo.DeliverTime
+            };
+        }
+
+        class ExchangeInfo
+        {
+            public DateTime UpdateTime { get; set; }
+            public Dictionary<string, SharedSymbol> Symbols { get; set; }
+
+            public ExchangeInfo(DateTime updateTime, Dictionary<string, SharedSymbol> symbols)
+            {
+                UpdateTime = updateTime;
+                Symbols = symbols;
+            }
         }
     }
 }

CryptoExchange.Net/ExtensionMethods.cs

@@ -1,520 +1,495 @@
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.SharedApis;
+using Microsoft.Extensions.DependencyInjection;
 using System;
 using System.Collections.Generic;
-using System.IO.Compression;
+using System.Globalization;
 using System.IO;
+using System.IO.Compression;
 using System.Linq;
 using System.Runtime.InteropServices;
 using System.Text;
 using System.Web;
-using CryptoExchange.Net.Objects;
-using System.Globalization;
-using Microsoft.Extensions.DependencyInjection;
-using CryptoExchange.Net.SharedApis;
 
-namespace CryptoExchange.Net;
+namespace CryptoExchange.Net
-
-/// <summary>
-/// Helper methods
-/// </summary>
-public static class ExtensionMethods
 {
     /// <summary>
-    /// Add a parameter
+    /// Helper methods
     /// </summary>
-    /// <param name="parameters"></param>
+    public static class ExtensionMethods
-    /// <param name="key"></param>
-    /// <param name="value"></param>
-    public static void AddParameter(this Dictionary<string, object> parameters, string key, string value)
     {
-        parameters.Add(key, value);
+        /// <summary>
-    }
+        /// Add a parameter
-
+        /// </summary>
-    /// <summary>
+        /// <param name="parameters"></param>
-    /// Add a parameter
+        /// <param name="key"></param>
-    /// </summary>
+        /// <param name="value"></param>
-    /// <param name="parameters"></param>
+        public static void AddParameter(this Dictionary<string, object> parameters, string key, string value)
-    /// <param name="key"></param>
+        {
-    /// <param name="value"></param>
-    public static void AddParameter(this Dictionary<string, object> parameters, string key, object value)
-    {
-        parameters.Add(key, value);
-    }
-
-    /// <summary>
-    /// Add an optional parameter. Not added if value is null
-    /// </summary>
-    /// <param name="parameters"></param>
-    /// <param name="key"></param>
-    /// <param name="value"></param>
-    public static void AddOptionalParameter(this Dictionary<string, object> parameters, string key, object? value)
-    {
-        if (value != null)
             parameters.Add(key, value);
-    }
-
-    /// <summary>
-    /// Create a query string of the specified parameters
-    /// </summary>
-    /// <param name="parameters">The parameters to use</param>
-    /// <param name="urlEncodeValues">Whether or not the values should be url encoded</param>
-    /// <param name="serializationType">How to serialize array parameters</param>
-    /// <returns></returns>
-    public static string CreateParamString(this IDictionary<string, object> parameters, bool urlEncodeValues, ArrayParametersSerialization serializationType)
-    {
-        var uriString = string.Empty;
-        var arraysParameters = parameters.Where(p => p.Value.GetType().IsArray).ToList();
-        foreach (var arrayEntry in arraysParameters)
-        {
-            if (serializationType == ArrayParametersSerialization.Array)
-            {
-                uriString += $"{string.Join("&", ((object[])(urlEncodeValues ? Uri.EscapeDataString(arrayEntry.Value.ToString()!) : arrayEntry.Value)).Select(v => $"{arrayEntry.Key}[]={string.Format(CultureInfo.InvariantCulture, "{0}", v)}"))}&";
-            }
-            else if (serializationType == ArrayParametersSerialization.MultipleValues)
-            {
-                var array = (Array)arrayEntry.Value;
-                uriString += string.Join("&", array.OfType<object>().Select(a => $"{arrayEntry.Key}={Uri.EscapeDataString(string.Format(CultureInfo.InvariantCulture, "{0}", a))}"));
-                uriString += "&";
-            }
-            else
-            {
-                var array = (Array)arrayEntry.Value;
-                uriString += $"{arrayEntry.Key}=[{string.Join(",", array.OfType<object>().Select(a => string.Format(CultureInfo.InvariantCulture, "{0}", a)))}]&";
-            }
         }
 
-        uriString += $"{string.Join("&", parameters.Where(p => !p.Value.GetType().IsArray).Select(s => $"{s.Key}={(urlEncodeValues ? Uri.EscapeDataString(string.Format(CultureInfo.InvariantCulture, "{0}", s.Value)) : string.Format(CultureInfo.InvariantCulture, "{0}", s.Value))}"))}";
+        /// <summary>
-        uriString = uriString.TrimEnd('&');
+        /// Add a parameter
-        return uriString;
+        /// </summary>
-    }
+        /// <param name="parameters"></param>
-
+        /// <param name="key"></param>
-    /// <summary>
+        /// <param name="value"></param>
-    /// Convert a dictionary to formdata string
+        public static void AddParameter(this Dictionary<string, object> parameters, string key, object value)
-    /// </summary>
-    /// <param name="parameters"></param>
-    /// <returns></returns>
-    public static string ToFormData(this IDictionary<string, object> parameters)
-    {
-        var formData = HttpUtility.ParseQueryString(string.Empty);
-        foreach (var kvp in parameters)
         {
-            if (kvp.Value is null)
+            parameters.Add(key, value);
-                continue;
+        }
 
-            if (kvp.Value.GetType().IsArray)
+        /// <summary>
+        /// Add an optional parameter. Not added if value is null
+        /// </summary>
+        /// <param name="parameters"></param>
+        /// <param name="key"></param>
+        /// <param name="value"></param>
+        public static void AddOptionalParameter(this Dictionary<string, object> parameters, string key, object? value)
+        {
+            if (value != null)
+                parameters.Add(key, value);
+        }
+
+        /// <summary>
+        /// Create a query string of the specified parameters
+        /// </summary>
+        /// <param name="parameters">The parameters to use</param>
+        /// <param name="urlEncodeValues">Whether or not the values should be url encoded</param>
+        /// <param name="serializationType">How to serialize array parameters</param>
+        /// <returns></returns>
+        public static string CreateParamString(this IDictionary<string, object> parameters, bool urlEncodeValues, ArrayParametersSerialization serializationType)
+        {
+            var uriString = new StringBuilder();
+            bool first = true;
+            foreach(var parameter in parameters)
             {
-                var array = (Array)kvp.Value;
+                if (!first)
-                foreach (var value in array)
+                    uriString.Append("&");
-                    formData.Add(kvp.Key, string.Format(CultureInfo.InvariantCulture, "{0}", value));
-            }
-            else
-            {
-                formData.Add(kvp.Key, string.Format(CultureInfo.InvariantCulture, "{0}", kvp.Value));
-            }
-        }
 
-        return formData.ToString()!;
+                first = false;
-    }
 
-    /// <summary>
+                if (parameter.Value.GetType().IsArray)
-    /// Validates an int is one of the allowed values
-    /// </summary>
-    /// <param name="value">Value of the int</param>
-    /// <param name="argumentName">Name of the parameter</param>
-    /// <param name="allowedValues">Allowed values</param>
-    public static void ValidateIntValues(this int value, string argumentName, params int[] allowedValues)
-    {
-        if (!allowedValues.Contains(value))
-        {
-            throw new ArgumentException(
-                $"{value} not allowed for parameter {argumentName}, allowed values: {string.Join(", ", allowedValues)}", argumentName);
-        }
-    }
-
-    /// <summary>
-    /// Validates an int is between two values
-    /// </summary>
-    /// <param name="value">The value of the int</param>
-    /// <param name="argumentName">Name of the parameter</param>
-    /// <param name="minValue">Min value</param>
-    /// <param name="maxValue">Max value</param>
-    public static void ValidateIntBetween(this int value, string argumentName, int minValue, int maxValue)
-    {
-        if (value < minValue || value > maxValue)
-        {
-            throw new ArgumentException(
-                $"{value} not allowed for parameter {argumentName}, min: {minValue}, max: {maxValue}", argumentName);
-        }
-    }
-
-    /// <summary>
-    /// Validates a string is not null or empty
-    /// </summary>
-    /// <param name="value">The value of the string</param>
-    /// <param name="argumentName">Name of the parameter</param>
-    public static void ValidateNotNull(this string value, string argumentName)
-    {
-        if (string.IsNullOrEmpty(value))
-            throw new ArgumentException($"No value provided for parameter {argumentName}", argumentName);
-    }
-
-    /// <summary>
-    /// Validates a string is null or not empty
-    /// </summary>
-    /// <param name="value"></param>
-    /// <param name="argumentName"></param>
-    public static void ValidateNullOrNotEmpty(this string value, string argumentName)
-    {
-        if (value != null && string.IsNullOrEmpty(value))
-            throw new ArgumentException($"No value provided for parameter {argumentName}", argumentName);
-    }
-
-    /// <summary>
-    /// Validates an object is not null
-    /// </summary>
-    /// <param name="value">The value of the object</param>
-    /// <param name="argumentName">Name of the parameter</param>
-    public static void ValidateNotNull(this object value, string argumentName)
-    {
-        if (value == null)
-            throw new ArgumentException($"No value provided for parameter {argumentName}", argumentName);
-    }
-
-    /// <summary>
-    /// Validates a list is not null or empty
-    /// </summary>
-    /// <param name="value">The value of the object</param>
-    /// <param name="argumentName">Name of the parameter</param>
-    public static void ValidateNotNull<T>(this IEnumerable<T> value, string argumentName)
-    {
-        if (value == null || !value.Any())
-            throw new ArgumentException($"No values provided for parameter {argumentName}", argumentName);
-    }
-
-    /// <summary>
-    /// Format a string to RFC3339/ISO8601 string
-    /// </summary>
-    /// <param name="dateTime"></param>
-    /// <returns></returns>
-    public static string ToRfc3339String(this DateTime dateTime)
-    {
-        return dateTime.ToString("yyyy-MM-dd'T'HH:mm:ss.fffzzz", DateTimeFormatInfo.InvariantInfo);
-    }
-
-    /// <summary>
-    /// Format an exception and inner exception to a readable string
-    /// </summary>
-    /// <param name="exception"></param>
-    /// <returns></returns>
-    public static string ToLogString(this Exception? exception)
-    {
-        var message = new StringBuilder();
-        var indent = 0;
-        while (exception != null)
-        {
-            for (var i = 0; i < indent; i++)
-                message.Append(' ');
-            message.Append(exception.GetType().Name);
-            message.Append(" - ");
-            message.AppendLine(exception.Message);
-            for (var i = 0; i < indent; i++)
-                message.Append(' ');
-            message.AppendLine(exception.StackTrace);
-
-            indent += 2;
-            exception = exception.InnerException;
-        }
-
-        return message.ToString();
-    }
-
-    /// <summary>
-    /// Append a base url with provided path
-    /// </summary>
-    /// <param name="url"></param>
-    /// <param name="path"></param>
-    /// <returns></returns>
-    public static string AppendPath(this string url, params string[] path)
-    {
-        if (!url.EndsWith("/"))
-            url += "/";
-
-        foreach (var item in path)
-            url += item.Trim('/') + "/";
-
-        return url.TrimEnd('/');
-    }
-
-    /// <summary>
-    /// Create a new uri with the provided parameters as query
-    /// </summary>
-    /// <param name="parameters"></param>
-    /// <param name="baseUri"></param>
-    /// <param name="arraySerialization"></param>
-    /// <returns></returns>
-    public static Uri SetParameters(this Uri baseUri, IDictionary<string, object> parameters, ArrayParametersSerialization arraySerialization)
-    {
-        var uriBuilder = new UriBuilder();
-        uriBuilder.Scheme = baseUri.Scheme;
-        uriBuilder.Host = baseUri.Host;
-        uriBuilder.Port = baseUri.Port;
-        uriBuilder.Path = baseUri.AbsolutePath;
-        var httpValueCollection = HttpUtility.ParseQueryString(string.Empty);
-        foreach (var parameter in parameters)
-        {
-            if (parameter.Value.GetType().IsArray)
-            {
-                if (arraySerialization == ArrayParametersSerialization.JsonArray)
                 {
-                    httpValueCollection.Add(parameter.Key, $"[{string.Join(",", (object[])parameter.Value)}]");
+                    if (serializationType == ArrayParametersSerialization.Array)
+                    {
+                        bool firstArrayValue = true;
+                        foreach (var entry in (object[])parameter.Value)
+                        {
+                            if (!firstArrayValue)
+                                uriString.Append('&');
+                            firstArrayValue = false;
+
+                            uriString.Append(parameter.Key);
+                            uriString.Append("[]=");
+                            if (urlEncodeValues)
+                                uriString.Append(Uri.EscapeDataString(string.Format(CultureInfo.InvariantCulture, "{0}", entry)));
+                            else
+                                uriString.Append(string.Format(CultureInfo.InvariantCulture, "{0}", entry));
+                        }
+                    }
+                    else if (serializationType == ArrayParametersSerialization.MultipleValues)
+                    {
+                        bool firstArrayValue = true;
+                        foreach (var entry in (object[])parameter.Value)
+                        {
+                            if (!firstArrayValue)
+                                uriString.Append('&');
+                            firstArrayValue = false;
+                            uriString.Append(parameter.Key);
+                            uriString.Append("=");
+                            if (urlEncodeValues)
+                                uriString.Append(Uri.EscapeDataString(string.Format(CultureInfo.InvariantCulture, "{0}", entry)));
+                            else
+                                uriString.Append(string.Format(CultureInfo.InvariantCulture, "{0}", entry));
+                        }
+                    }
+                    else
+                    {
+                        uriString.Append('[');
+                        var firstArrayEntry = true;
+                        foreach (var entry in (object[])parameter.Value)
+                        {
+                            if (!firstArrayEntry)
+                                uriString.Append(',');                            
+
+                            firstArrayEntry = false;
+                            if (urlEncodeValues)
+                                uriString.Append(Uri.EscapeDataString(string.Format(CultureInfo.InvariantCulture, "{0}", entry)));
+                            else
+                                uriString.Append(string.Format(CultureInfo.InvariantCulture, "{0}", entry));
+                        }
+                        uriString.Append(']');
+                    }
+                }
+                else 
+                {
+                    uriString.Append(parameter.Key);
+                    uriString.Append('=');
+                    if (urlEncodeValues)
+                        uriString.Append(Uri.EscapeDataString(string.Format(CultureInfo.InvariantCulture, "{0}", parameter.Value)));
+                    else
+                        uriString.Append(string.Format(CultureInfo.InvariantCulture, "{0}", parameter.Value));
+                }
+            }
+
+            return uriString.ToString();
+        }
+
+        /// <summary>
+        /// Convert a dictionary to formdata string
+        /// </summary>
+        /// <param name="parameters"></param>
+        /// <returns></returns>
+        public static string ToFormData(this IDictionary<string, object> parameters)
+        {
+            var formData = HttpUtility.ParseQueryString(string.Empty);
+            foreach (var kvp in parameters)
+            {
+                if (kvp.Value is null)
+                    continue;
+
+                if (kvp.Value.GetType().IsArray)
+                {
+                    var array = (Array)kvp.Value;
+                    foreach (var value in array)
+                        formData.Add(kvp.Key, string.Format(CultureInfo.InvariantCulture, "{0}", value));
                 }
                 else
                 {
-                    foreach (var item in (object[])parameter.Value)
+                    formData.Add(kvp.Key, string.Format(CultureInfo.InvariantCulture, "{0}", kvp.Value));
-                    {
-                        if (arraySerialization == ArrayParametersSerialization.Array)
-                        {
-                            httpValueCollection.Add(parameter.Key + "[]", item.ToString());
-                        }
-                        else
-                        {
-                            httpValueCollection.Add(parameter.Key, item.ToString());
-                        }
-                    }
                 }
             }
-            else
+
-            {
+            return formData.ToString()!;
-                httpValueCollection.Add(parameter.Key, parameter.Value.ToString());
-            }
         }
 
-        uriBuilder.Query = httpValueCollection.ToString();
+        /// <summary>
-        return uriBuilder.Uri;
+        /// Validates an int is one of the allowed values
-    }
+        /// </summary>
-
+        /// <param name="value">Value of the int</param>
-    /// <summary>
+        /// <param name="argumentName">Name of the parameter</param>
-    /// Create a new uri with the provided parameters as query
+        /// <param name="allowedValues">Allowed values</param>
-    /// </summary>
+        public static void ValidateIntValues(this int value, string argumentName, params int[] allowedValues)
-    /// <param name="parameters"></param>
-    /// <param name="baseUri"></param>
-    /// <param name="arraySerialization"></param>
-    /// <returns></returns>
-    public static Uri SetParameters(this Uri baseUri, IOrderedEnumerable<KeyValuePair<string, object>> parameters, ArrayParametersSerialization arraySerialization)
-    {
-        var uriBuilder = new UriBuilder();
-        uriBuilder.Scheme = baseUri.Scheme;
-        uriBuilder.Host = baseUri.Host;
-        uriBuilder.Port = baseUri.Port;
-        uriBuilder.Path = baseUri.AbsolutePath;
-        var httpValueCollection = HttpUtility.ParseQueryString(string.Empty);
-        foreach (var parameter in parameters)
         {
-            if (parameter.Value.GetType().IsArray)
+            if (!allowedValues.Contains(value))
             {
-                if (arraySerialization == ArrayParametersSerialization.JsonArray)
+                throw new ArgumentException(
-                {
+                    $"{value} not allowed for parameter {argumentName}, allowed values: {string.Join(", ", allowedValues)}", argumentName);
-                    httpValueCollection.Add(parameter.Key, $"[{string.Join(",", (object[])parameter.Value)}]");
-                }
-                else
-                {
-                    foreach (var item in (object[])parameter.Value)
-                    {
-                        if (arraySerialization == ArrayParametersSerialization.Array)
-                        {
-                            httpValueCollection.Add(parameter.Key + "[]", item.ToString());
-                        }
-                        else
-                        {
-                            httpValueCollection.Add(parameter.Key, item.ToString());
-                        }
-                    }
-                }
-            }
-            else
-            {
-                httpValueCollection.Add(parameter.Key, parameter.Value.ToString());
             }
         }
 
-        uriBuilder.Query = httpValueCollection.ToString();
+        /// <summary>
-        return uriBuilder.Uri;
+        /// Validates an int is between two values
-    }
+        /// </summary>
+        /// <param name="value">The value of the int</param>
+        /// <param name="argumentName">Name of the parameter</param>
+        /// <param name="minValue">Min value</param>
+        /// <param name="maxValue">Max value</param>
+        public static void ValidateIntBetween(this int value, string argumentName, int minValue, int maxValue)
+        {
+            if (value < minValue || value > maxValue)
+            {
+                throw new ArgumentException(
+                    $"{value} not allowed for parameter {argumentName}, min: {minValue}, max: {maxValue}", argumentName);
+            }
+        }
 
-    /// <summary>
+        /// <summary>
-    /// Add parameter to URI
+        /// Validates a string is not null or empty
-    /// </summary>
+        /// </summary>
-    /// <param name="uri"></param>
+        /// <param name="value">The value of the string</param>
-    /// <param name="name"></param>
+        /// <param name="argumentName">Name of the parameter</param>
-    /// <param name="value"></param>
+        public static void ValidateNotNull(this string value, string argumentName)
-    /// <returns></returns>
+        {
-    public static Uri AddQueryParameter(this Uri uri, string name, string value)
+            if (string.IsNullOrEmpty(value))
-    {
+                throw new ArgumentException($"No value provided for parameter {argumentName}", argumentName);
-        var httpValueCollection = HttpUtility.ParseQueryString(uri.Query);
+        }
 
-        httpValueCollection.Remove(name);
+        /// <summary>
-        httpValueCollection.Add(name, value);
+        /// Validates a string is null or not empty
+        /// </summary>
+        /// <param name="value"></param>
+        /// <param name="argumentName"></param>
+        public static void ValidateNullOrNotEmpty(this string value, string argumentName)
+        {
+            if (value != null && string.IsNullOrEmpty(value))
+                throw new ArgumentException($"No value provided for parameter {argumentName}", argumentName);
+        }
 
-        var ub = new UriBuilder(uri);
+        /// <summary>
-        ub.Query = httpValueCollection.ToString();
+        /// Validates an object is not null
+        /// </summary>
+        /// <param name="value">The value of the object</param>
+        /// <param name="argumentName">Name of the parameter</param>
+        public static void ValidateNotNull(this object value, string argumentName)
+        {
+            if (value == null)
+                throw new ArgumentException($"No value provided for parameter {argumentName}", argumentName);
+        }
 
-        return ub.Uri;
+        /// <summary>
-    }
+        /// Validates a list is not null or empty
+        /// </summary>
+        /// <param name="value">The value of the object</param>
+        /// <param name="argumentName">Name of the parameter</param>
+        public static void ValidateNotNull<T>(this IEnumerable<T> value, string argumentName)
+        {
+            if (value == null || !value.Any())
+                throw new ArgumentException($"No values provided for parameter {argumentName}", argumentName);
+        }
 
-    /// <summary>
+        /// <summary>
-    /// Decompress using GzipStream
+        /// Format a string to RFC3339/ISO8601 string
-    /// </summary>
+        /// </summary>
-    /// <param name="data"></param>
+        /// <param name="dateTime"></param>
-    /// <returns></returns>
+        /// <returns></returns>
-    public static ReadOnlyMemory<byte> DecompressGzip(this ReadOnlyMemory<byte> data)
+        public static string ToRfc3339String(this DateTime dateTime)
-    {
+        {
-        using var decompressedStream = new MemoryStream();
+            return dateTime.ToString("yyyy-MM-dd'T'HH:mm:ss.fffzzz", DateTimeFormatInfo.InvariantInfo);
-        using var dataStream = MemoryMarshal.TryGetArray(data, out var arraySegment)
+        }
-            ? new MemoryStream(arraySegment.Array!, arraySegment.Offset, arraySegment.Count)
-            : new MemoryStream(data.ToArray());
-        using var deflateStream = new GZipStream(new MemoryStream(data.ToArray()), CompressionMode.Decompress);
-        deflateStream.CopyTo(decompressedStream);
-        return new ReadOnlyMemory<byte>(decompressedStream.GetBuffer(), 0, (int)decompressedStream.Length);
-    }
 
-    /// <summary>
+        /// <summary>
-    /// Decompress using DeflateStream
+        /// Format an exception and inner exception to a readable string
-    /// </summary>
+        /// </summary>
-    /// <param name="input"></param>
+        /// <param name="exception"></param>
-    /// <returns></returns>
+        /// <returns></returns>
-    public static ReadOnlyMemory<byte> Decompress(this ReadOnlyMemory<byte> input)
+        public static string ToLogString(this Exception? exception)
-    {
+        {
-        var output = new MemoryStream();
+            var message = new StringBuilder();
+            var indent = 0;
+            while (exception != null)
+            {
+                for (var i = 0; i < indent; i++)
+                    message.Append(' ');
+                message.Append(exception.GetType().Name);
+                message.Append(" - ");
+                message.AppendLine(exception.Message);
+                for (var i = 0; i < indent; i++)
+                    message.Append(' ');
+                message.AppendLine(exception.StackTrace);
 
-        using (var compressStream = new MemoryStream(input.ToArray()))
+                indent += 2;
-        using (var decompressor = new DeflateStream(compressStream, CompressionMode.Decompress))
+                exception = exception.InnerException;
+            }
+
+            return message.ToString();
+        }
+
+        /// <summary>
+        /// Append a base url with provided path
+        /// </summary>
+        public static string AppendPath(this string url, params string[] path)
+        {
+            var sb = new StringBuilder(url.TrimEnd('/'));
+            foreach (var subPath in path)
+            {
+                sb.Append('/');
+                sb.Append(subPath.Trim('/'));
+            }
+
+            return sb.ToString();
+        }
+
+        /// <summary>
+        /// Decompress using GzipStream
+        /// </summary>
+        public static ReadOnlySpan<byte> DecompressGzip(this ReadOnlySpan<byte> data)
+        {
+            using var decompressedStream = new MemoryStream();
+            using var deflateStream = new GZipStream(new MemoryStream(data.ToArray()), CompressionMode.Decompress);
+            deflateStream.CopyTo(decompressedStream);
+            return new ReadOnlySpan<byte>(decompressedStream.GetBuffer(), 0, (int)decompressedStream.Length);
+        }
+
+        /// <summary>
+        /// Decompress using GzipStream
+        /// </summary>
+        public static ReadOnlySpan<byte> Decompress(this ReadOnlySpan<byte> input)
+        {
+            using var output = new MemoryStream();
+            using var compressStream = new MemoryStream(input.ToArray());
+            using var decompressor = new DeflateStream(compressStream, CompressionMode.Decompress);
             decompressor.CopyTo(output);
+            return new ReadOnlySpan<byte>(output.GetBuffer(), 0, (int)output.Length);
+        }
 
-        output.Position = 0;
+        /// <summary>
-        return new ReadOnlyMemory<byte>(output.GetBuffer(), 0, (int)output.Length);
+        /// Whether the trading mode is linear
-    }
+        /// </summary>
+        public static bool IsLinear(this TradingMode type) => type == TradingMode.PerpetualLinear || type == TradingMode.DeliveryLinear;        
 
-    /// <summary>
+        /// <summary>
-    /// Whether the trading mode is linear
+        /// Whether the trading mode is inverse
-    /// </summary>
+        /// </summary>
-    public static bool IsLinear(this TradingMode type) => type == TradingMode.PerpetualLinear || type == TradingMode.DeliveryLinear;
+        public static bool IsInverse(this TradingMode type) => type == TradingMode.PerpetualInverse || type == TradingMode.DeliveryInverse;
+        
+        /// <summary>
+        /// Whether the trading mode is perpetual
+        /// </summary>
+        public static bool IsPerpetual(this TradingMode type) => type == TradingMode.PerpetualInverse || type == TradingMode.PerpetualLinear;
 
-    /// <summary>
+        /// <summary>
-    /// Whether the trading mode is inverse
+        /// Whether the trading mode is delivery
-    /// </summary>
+        /// </summary>
-    public static bool IsInverse(this TradingMode type) => type == TradingMode.PerpetualInverse || type == TradingMode.DeliveryInverse;
+        public static bool IsDelivery(this TradingMode type) => type == TradingMode.DeliveryInverse || type == TradingMode.DeliveryLinear;
-    
-    /// <summary>
-    /// Whether the trading mode is perpetual
-    /// </summary>
-    public static bool IsPerpetual(this TradingMode type) => type == TradingMode.PerpetualInverse || type == TradingMode.PerpetualLinear;
 
-    /// <summary>
+        /// <summary>
-    /// Whether the trading mode is delivery
+        /// Whether the account type is a futures account
-    /// </summary>
+        /// </summary>
-    public static bool IsDelivery(this TradingMode type) => type == TradingMode.DeliveryInverse || type == TradingMode.DeliveryLinear;
+        public static bool IsFuturesAccount(this SharedAccountType type) =>
+            type == SharedAccountType.PerpetualLinearFutures
+            || type == SharedAccountType.DeliveryLinearFutures
+            || type == SharedAccountType.PerpetualInverseFutures
+            || type == SharedAccountType.DeliveryInverseFutures;
 
-    /// <summary>
+        /// <summary>
-    /// Register rest client interfaces
+        /// Whether the account type is a margin account
-    /// </summary>
+        /// </summary>
-    public static IServiceCollection RegisterSharedRestInterfaces<T>(this IServiceCollection services, Func<IServiceProvider, T> client)
+        public static bool IsMarginAccount(this SharedAccountType type) =>
-    {
+            type == SharedAccountType.CrossMargin
-        if (typeof(IAssetsRestClient).IsAssignableFrom(typeof(T)))
+            || type == SharedAccountType.IsolatedMargin;
-            services.AddTransient(x => (IAssetsRestClient)client(x)!);
-        if (typeof(IBalanceRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IBalanceRestClient)client(x)!);
-        if (typeof(IDepositRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IDepositRestClient)client(x)!);
-        if (typeof(IKlineRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IKlineRestClient)client(x)!);
-        if (typeof(IListenKeyRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IListenKeyRestClient)client(x)!);
-        if (typeof(IOrderBookRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IOrderBookRestClient)client(x)!);
-        if (typeof(IRecentTradeRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IRecentTradeRestClient)client(x)!);
-        if (typeof(ITradeHistoryRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (ITradeHistoryRestClient)client(x)!);
-        if (typeof(IWithdrawalRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IWithdrawalRestClient)client(x)!);
-        if (typeof(IWithdrawRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IWithdrawRestClient)client(x)!);
-        if (typeof(IFeeRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IFeeRestClient)client(x)!);
-        if (typeof(IBookTickerRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IBookTickerRestClient)client(x)!);
 
-        if (typeof(ISpotOrderRestClient).IsAssignableFrom(typeof(T)))
+        /// <summary>
-            services.AddTransient(x => (ISpotOrderRestClient)client(x)!);
+        /// Map a TradingMode value to a SharedAccountType enum value
-        if (typeof(ISpotSymbolRestClient).IsAssignableFrom(typeof(T)))
+        /// </summary>
-            services.AddTransient(x => (ISpotSymbolRestClient)client(x)!);
+        public static SharedAccountType ToAccountType(this TradingMode mode)
-        if (typeof(ISpotTickerRestClient).IsAssignableFrom(typeof(T)))
+        {
-            services.AddTransient(x => (ISpotTickerRestClient)client(x)!);
+            if (mode == TradingMode.Spot) return SharedAccountType.Spot;
-        if (typeof(ISpotTriggerOrderRestClient).IsAssignableFrom(typeof(T)))
+            if (mode == TradingMode.PerpetualLinear) return SharedAccountType.PerpetualLinearFutures;
-            services.AddTransient(x => (ISpotTriggerOrderRestClient)client(x)!);
+            if (mode == TradingMode.PerpetualInverse) return SharedAccountType.PerpetualInverseFutures;
-        if (typeof(ISpotOrderClientIdRestClient).IsAssignableFrom(typeof(T)))
+            if (mode == TradingMode.DeliveryInverse) return SharedAccountType.DeliveryInverseFutures;
-            services.AddTransient(x => (ISpotOrderClientIdRestClient)client(x)!);
+            if (mode == TradingMode.DeliveryLinear) return SharedAccountType.DeliveryLinearFutures;
 
-        if (typeof(IFundingRateRestClient).IsAssignableFrom(typeof(T)))
+            throw new ArgumentException(nameof(mode), "Unmapped trading mode");
-            services.AddTransient(x => (IFundingRateRestClient)client(x)!);
+        }
-        if (typeof(IFuturesOrderRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IFuturesOrderRestClient)client(x)!);
-        if (typeof(IFuturesSymbolRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IFuturesSymbolRestClient)client(x)!);
-        if (typeof(IFuturesTickerRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IFuturesTickerRestClient)client(x)!);
-        if (typeof(IIndexPriceKlineRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IIndexPriceKlineRestClient)client(x)!);
-        if (typeof(ILeverageRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (ILeverageRestClient)client(x)!);
-        if (typeof(IMarkPriceKlineRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IMarkPriceKlineRestClient)client(x)!);
-        if (typeof(IOpenInterestRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IOpenInterestRestClient)client(x)!);
-        if (typeof(IPositionHistoryRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IPositionHistoryRestClient)client(x)!);
-        if (typeof(IPositionModeRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IPositionModeRestClient)client(x)!);
-        if (typeof(IFuturesTpSlRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IFuturesTpSlRestClient)client(x)!);
-        if (typeof(IFuturesTriggerOrderRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IFuturesTriggerOrderRestClient)client(x)!);
-        if (typeof(IFuturesOrderClientIdRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IFuturesOrderClientIdRestClient)client(x)!);
 
-        return services;
+        /// <summary>
-    }
+        /// Register rest client interfaces
+        /// </summary>
+        public static IServiceCollection RegisterSharedRestInterfaces<T>(this IServiceCollection services, Func<IServiceProvider, T> client)
+        {
+            if (typeof(IAssetsRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IAssetsRestClient)client(x)!);
+            if (typeof(IBalanceRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IBalanceRestClient)client(x)!);
+            if (typeof(IDepositRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IDepositRestClient)client(x)!);
+            if (typeof(IKlineRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IKlineRestClient)client(x)!);
+            if (typeof(IListenKeyRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IListenKeyRestClient)client(x)!);
+            if (typeof(IOrderBookRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IOrderBookRestClient)client(x)!);
+            if (typeof(IRecentTradeRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IRecentTradeRestClient)client(x)!);
+            if (typeof(ITradeHistoryRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ITradeHistoryRestClient)client(x)!);
+            if (typeof(IWithdrawalRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IWithdrawalRestClient)client(x)!);
+            if (typeof(IWithdrawRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IWithdrawRestClient)client(x)!);
+            if (typeof(IFeeRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFeeRestClient)client(x)!);
+            if (typeof(IBookTickerRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IBookTickerRestClient)client(x)!);
+            if (typeof(ITransferRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ITransferRestClient)client(x)!);
 
-    /// <summary>
+            if (typeof(ISpotOrderRestClient).IsAssignableFrom(typeof(T)))
-    /// Register socket client interfaces
+                services.AddTransient(x => (ISpotOrderRestClient)client(x)!);
-    /// </summary>
+            if (typeof(ISpotSymbolRestClient).IsAssignableFrom(typeof(T)))
-    public static IServiceCollection RegisterSharedSocketInterfaces<T>(this IServiceCollection services, Func<IServiceProvider, T> client)
+                services.AddTransient(x => (ISpotSymbolRestClient)client(x)!);
-    {
+            if (typeof(ISpotTickerRestClient).IsAssignableFrom(typeof(T)))
-        if (typeof(IBalanceSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ISpotTickerRestClient)client(x)!);
-            services.AddTransient(x => (IBalanceSocketClient)client(x)!);
+            if (typeof(ISpotTriggerOrderRestClient).IsAssignableFrom(typeof(T)))
-        if (typeof(IBookTickerSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ISpotTriggerOrderRestClient)client(x)!);
-            services.AddTransient(x => (IBookTickerSocketClient)client(x)!);
+            if (typeof(ISpotOrderClientIdRestClient).IsAssignableFrom(typeof(T)))
-        if (typeof(IKlineSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ISpotOrderClientIdRestClient)client(x)!);
-            services.AddTransient(x => (IKlineSocketClient)client(x)!);
-        if (typeof(IOrderBookSocketClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IOrderBookSocketClient)client(x)!);
-        if (typeof(ITickerSocketClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (ITickerSocketClient)client(x)!);
-        if (typeof(ITickersSocketClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (ITickersSocketClient)client(x)!);
-        if (typeof(ITradeSocketClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (ITradeSocketClient)client(x)!);
-        if (typeof(IUserTradeSocketClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IUserTradeSocketClient)client(x)!);
 
-        if (typeof(ISpotOrderSocketClient).IsAssignableFrom(typeof(T)))
+            if (typeof(IFundingRateRestClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (ISpotOrderSocketClient)client(x)!);
+                services.AddTransient(x => (IFundingRateRestClient)client(x)!);
+            if (typeof(IFuturesOrderRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFuturesOrderRestClient)client(x)!);
+            if (typeof(IFuturesSymbolRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFuturesSymbolRestClient)client(x)!);
+            if (typeof(IFuturesTickerRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFuturesTickerRestClient)client(x)!);
+            if (typeof(IIndexPriceKlineRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IIndexPriceKlineRestClient)client(x)!);
+            if (typeof(ILeverageRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ILeverageRestClient)client(x)!);
+            if (typeof(IMarkPriceKlineRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IMarkPriceKlineRestClient)client(x)!);
+            if (typeof(IOpenInterestRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IOpenInterestRestClient)client(x)!);
+            if (typeof(IPositionHistoryRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IPositionHistoryRestClient)client(x)!);
+            if (typeof(IPositionModeRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IPositionModeRestClient)client(x)!);
+            if (typeof(IFuturesTpSlRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFuturesTpSlRestClient)client(x)!);
+            if (typeof(IFuturesTriggerOrderRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFuturesTriggerOrderRestClient)client(x)!);
+            if (typeof(IFuturesOrderClientIdRestClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFuturesOrderClientIdRestClient)client(x)!);
 
-        if (typeof(IFuturesOrderSocketClient).IsAssignableFrom(typeof(T)))
+            return services;
-            services.AddTransient(x => (IFuturesOrderSocketClient)client(x)!);
+        }
-        if (typeof(IPositionSocketClient).IsAssignableFrom(typeof(T)))
-            services.AddTransient(x => (IPositionSocketClient)client(x)!);
 
-        return services;
+        /// <summary>
+        /// Register socket client interfaces
+        /// </summary>
+        public static IServiceCollection RegisterSharedSocketInterfaces<T>(this IServiceCollection services, Func<IServiceProvider, T> client)
+        {
+            if (typeof(IBalanceSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IBalanceSocketClient)client(x)!);
+            if (typeof(IBookTickerSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IBookTickerSocketClient)client(x)!);
+            if (typeof(IKlineSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IKlineSocketClient)client(x)!);
+            if (typeof(IOrderBookSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IOrderBookSocketClient)client(x)!);
+            if (typeof(ITickerSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ITickerSocketClient)client(x)!);
+            if (typeof(ITickersSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ITickersSocketClient)client(x)!);
+            if (typeof(ITradeSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ITradeSocketClient)client(x)!);
+            if (typeof(IUserTradeSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IUserTradeSocketClient)client(x)!);
+
+            if (typeof(ISpotOrderSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (ISpotOrderSocketClient)client(x)!);
+
+            if (typeof(IFuturesOrderSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IFuturesOrderSocketClient)client(x)!);
+            if (typeof(IPositionSocketClient).IsAssignableFrom(typeof(T)))
+                services.AddTransient(x => (IPositionSocketClient)client(x)!);
+
+            return services;
+        }
+
+        /// <summary>
+        /// Convert a hex encoded string to byte array
+        /// </summary>
+        /// <param name="hexString"></param>
+        /// <returns></returns>
+        public static byte[] HexStringToBytes(this string hexString)
+        {
+            if (hexString.StartsWith("0x"))
+                hexString = hexString.Substring(2);
+
+            byte[] bytes = new byte[hexString.Length / 2];
+            for (int i = 0; i < hexString.Length; i += 2)
+            {
+                string hexSubstring = hexString.Substring(i, 2);
+                bytes[i / 2] = Convert.ToByte(hexSubstring, 16);
+            }
+
+            return bytes;
+        }
     }
 }
 

CryptoExchange.Net/Interfaces/Clients/IBaseApiClient.cs

@@ -0,0 +1,47 @@
+using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Objects.Options;
+using CryptoExchange.Net.SharedApis;
+using System;
+
+namespace CryptoExchange.Net.Interfaces.Clients
+{
+    /// <summary>
+    /// Base api client
+    /// </summary>
+    public interface IBaseApiClient
+    {
+        /// <summary>
+        /// Base address
+        /// </summary>
+        string BaseAddress { get; }
+
+        /// <summary>
+        /// Whether or not API credentials have been configured for this client. Does not check the credentials are actually valid.
+        /// </summary>
+        bool Authenticated { get; }
+
+        /// <summary>
+        /// Format a base and quote asset to an exchange accepted symbol 
+        /// </summary>
+        /// <param name="baseAsset">The base asset</param>
+        /// <param name="quoteAsset">The quote asset</param>
+        /// <param name="tradingMode">The trading mode</param>
+        /// <param name="deliverDate">The deliver date for a delivery futures symbol</param>
+        /// <returns></returns>
+        string FormatSymbol(string baseAsset, string quoteAsset, TradingMode tradingMode, DateTime? deliverDate = null);
+
+        /// <summary>
+        /// Set the API credentials for this API client
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <param name="credentials"></param>
+        void SetApiCredentials<T>(T credentials) where T : ApiCredentials;
+
+        /// <summary>
+        /// Set new options. Note that when using a proxy this should be provided in the options even when already set before or it will be reset.
+        /// </summary>
+        /// <typeparam name="T">Api credentials type</typeparam>
+        /// <param name="options">Options to set</param>
+        void SetOptions<T>(UpdateOptions<T> options) where T : ApiCredentials;
+    }
+}

CryptoExchange.Net/Interfaces/Clients/ICryptoRestClient.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace CryptoExchange.Net.Interfaces.Clients
+{
+    /// <summary>
+    /// Client for accessing REST API's for different exchanges
+    /// </summary>
+    public interface ICryptoRestClient
+    {
+        /// <summary>
+        /// Try get 
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        T TryGet<T>(Func<T> createFunc);
+    }
+}

CryptoExchange.Net/Interfaces/Clients/ICryptoSocketClient.cs

@@ -0,0 +1,17 @@
+using System;
+
+namespace CryptoExchange.Net.Interfaces.Clients
+{
+    /// <summary>
+    /// Client for accessing Websocket API's for different exchanges
+    /// </summary>
+    public interface ICryptoSocketClient
+    {
+        /// <summary>
+        /// Try get a client by type for the service collection
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        T TryGet<T>(Func<T> createFunc);
+    }
+}

CryptoExchange.Net/Interfaces/Clients/IRestApiClient.cs

@@ -0,0 +1,18 @@
+namespace CryptoExchange.Net.Interfaces.Clients
+{
+    /// <summary>
+    /// Base rest API client
+    /// </summary>
+    public interface IRestApiClient : IBaseApiClient
+    {
+        /// <summary>
+        /// The factory for creating requests. Used for unit testing
+        /// </summary>
+        IRequestFactory RequestFactory { get; set; }
+
+        /// <summary>
+        /// Total amount of requests made with this API client
+        /// </summary>
+        int TotalRequestsMade { get; set; }
+    }
+}

CryptoExchange.Net/Interfaces/Clients/IRestClient.cs

@@ -0,0 +1,31 @@
+using System;
+using CryptoExchange.Net.Objects.Options;
+
+namespace CryptoExchange.Net.Interfaces.Clients
+{
+    /// <summary>
+    /// Base class for rest API implementations
+    /// </summary>
+    public interface IRestClient: IDisposable
+    {
+        /// <summary>
+        /// The options provided for this client
+        /// </summary>
+        ExchangeOptions ClientOptions { get; }
+
+        /// <summary>
+        /// The total amount of requests made with this client
+        /// </summary>
+        int TotalRequestsMade { get; }
+
+        /// <summary>
+        /// The exchange name
+        /// </summary>
+        string Exchange { get; }
+
+        /// <summary>
+        /// Whether client is disposed
+        /// </summary>
+        bool Disposed { get; }
+    }
+}

CryptoExchange.Net/Interfaces/Clients/ISocketApiClient.cs

@@ -0,0 +1,76 @@
+using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Options;
+using CryptoExchange.Net.Objects.Sockets;
+using CryptoExchange.Net.Sockets.Default.Interfaces;
+using CryptoExchange.Net.Sockets.HighPerf.Interfaces;
+using System.Threading.Tasks;
+
+namespace CryptoExchange.Net.Interfaces.Clients
+{
+    /// <summary>
+    /// Socket API client
+    /// </summary>
+    public interface ISocketApiClient: IBaseApiClient
+    {
+        /// <summary>
+        /// The current amount of socket connections on the API client
+        /// </summary>
+        int CurrentConnections { get; }
+        /// <summary>
+        /// The current amount of subscriptions over all connections
+        /// </summary>
+        int CurrentSubscriptions { get; }
+        /// <summary>
+        /// Incoming data Kbps
+        /// </summary>
+        double IncomingKbps { get; }
+        /// <summary>
+        /// The factory for creating sockets. Used for unit testing
+        /// </summary>
+        IWebsocketFactory SocketFactory { get; set; }
+        /// <summary>
+        /// High performance websocket factory
+        /// </summary>
+        IHighPerfConnectionFactory? HighPerfConnectionFactory { get; set; }
+        /// <summary>
+        /// Current client options
+        /// </summary>
+        SocketExchangeOptions ClientOptions { get; }
+        /// <summary>
+        /// Current API options
+        /// </summary>
+        SocketApiOptions ApiOptions { get; }
+        /// <summary>
+        /// Log the current state of connections and subscriptions
+        /// </summary>
+        string GetSubscriptionsState(bool includeSubDetails = true);
+        /// <summary>
+        /// Reconnect all connections
+        /// </summary>
+        /// <returns></returns>
+        Task ReconnectAsync();
+        /// <summary>
+        /// Unsubscribe all subscriptions
+        /// </summary>
+        /// <returns></returns>
+        Task UnsubscribeAllAsync();
+        /// <summary>
+        /// Unsubscribe an update subscription
+        /// </summary>
+        /// <param name="subscriptionId">The id of the subscription to unsubscribe</param>
+        /// <returns></returns>
+        Task<bool> UnsubscribeAsync(int subscriptionId);
+        /// <summary>
+        /// Unsubscribe an update subscription
+        /// </summary>
+        /// <param name="subscription">The subscription to unsubscribe</param>
+        /// <returns></returns>
+        Task UnsubscribeAsync(UpdateSubscription subscription);
+
+        /// <summary>
+        /// Prepare connections which can subsequently be used for sending websocket requests. Note that this is not required. If not prepared it will be initialized at the first websocket request.
+        /// </summary>
+        /// <returns></returns>
+        Task<CallResult> PrepareConnectionsAsync();
+    }
+}

CryptoExchange.Net/Interfaces/Clients/ISocketClient.cs

@@ -0,0 +1,63 @@
+using System;
+using System.Threading.Tasks;
+using CryptoExchange.Net.Objects.Options;
+using CryptoExchange.Net.Objects.Sockets;
+
+namespace CryptoExchange.Net.Interfaces.Clients
+{
+    /// <summary>
+    /// Base class for socket API implementations
+    /// </summary>
+    public interface ISocketClient: IDisposable
+    {
+        /// <summary>
+        /// The exchange name
+        /// </summary>
+        string Exchange { get; }
+
+        /// <summary>
+        /// The options provided for this client
+        /// </summary>
+        ExchangeOptions ClientOptions { get; }
+
+        /// <summary>
+        /// Incoming kilobytes per second of data
+        /// </summary>
+        public double IncomingKbps { get; }
+
+        /// <summary>
+        /// The current amount of connections to the API from this client. A connection can have multiple subscriptions.
+        /// </summary>
+        public int CurrentConnections { get; }
+        
+        /// <summary>
+        /// The current amount of subscriptions running from the client
+        /// </summary>
+        public int CurrentSubscriptions { get; }
+
+        /// <summary>
+        /// Whether client is disposed
+        /// </summary>
+        bool Disposed { get; }
+
+        /// <summary>
+        /// Unsubscribe from a stream using the subscription id received when starting the subscription
+        /// </summary>
+        /// <param name="subscriptionId">The id of the subscription to unsubscribe</param>
+        /// <returns></returns>
+        Task UnsubscribeAsync(int subscriptionId);
+
+        /// <summary>
+        /// Unsubscribe from a stream
+        /// </summary>
+        /// <param name="subscription">The subscription to unsubscribe</param>
+        /// <returns></returns>
+        Task UnsubscribeAsync(UpdateSubscription subscription);
+
+        /// <summary>
+        /// Unsubscribe all subscriptions
+        /// </summary>
+        /// <returns></returns>
+        Task UnsubscribeAllAsync();
+    }
+}

CryptoExchange.Net/Interfaces/IAuthTimeProvider.cs

@@ -1,15 +1,16 @@
-using System;
+using System;
 
-namespace CryptoExchange.Net.Interfaces;
+namespace CryptoExchange.Net.Interfaces
-
-/// <summary>
-/// Time provider
-/// </summary>
-internal interface IAuthTimeProvider
 {
     /// <summary>
-    /// Get current time
+    /// Time provider
     /// </summary>
-    /// <returns></returns>
+    internal interface IAuthTimeProvider
-    DateTime GetTime();
+    {
+        /// <summary>
+        /// Get current time
+        /// </summary>
+        /// <returns></returns>
+        DateTime GetTime();
+    }
 }

CryptoExchange.Net/Interfaces/IBaseApiClient.cs

@@ -1,46 +0,0 @@
-using CryptoExchange.Net.Authentication;
-using CryptoExchange.Net.Objects.Options;
-using CryptoExchange.Net.SharedApis;
-using System;
-
-namespace CryptoExchange.Net.Interfaces;
-
-/// <summary>
-/// Base api client
-/// </summary>
-public interface IBaseApiClient
-{
-    /// <summary>
-    /// Base address
-    /// </summary>
-    string BaseAddress { get; }
-
-    /// <summary>
-    /// Whether or not API credentials have been configured for this client. Does not check the credentials are actually valid.
-    /// </summary>
-    bool Authenticated { get; }
-
-    /// <summary>
-    /// Format a base and quote asset to an exchange accepted symbol 
-    /// </summary>
-    /// <param name="baseAsset">The base asset</param>
-    /// <param name="quoteAsset">The quote asset</param>
-    /// <param name="tradingMode">The trading mode</param>
-    /// <param name="deliverDate">The deliver date for a delivery futures symbol</param>
-    /// <returns></returns>
-    string FormatSymbol(string baseAsset, string quoteAsset, TradingMode tradingMode, DateTime? deliverDate = null);
-
-    /// <summary>
-    /// Set the API credentials for this API client
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <param name="credentials"></param>
-    void SetApiCredentials<T>(T credentials) where T : ApiCredentials;
-
-    /// <summary>
-    /// Set new options. Note that when using a proxy this should be provided in the options even when already set before or it will be reset.
-    /// </summary>
-    /// <typeparam name="T">Api credentials type</typeparam>
-    /// <param name="options">Options to set</param>
-    void SetOptions<T>(UpdateOptions<T> options) where T : ApiCredentials;
-}

CryptoExchange.Net/Interfaces/ICryptoRestClient.cs

@@ -1,16 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.Interfaces;
-
-/// <summary>
-/// Client for accessing REST API's for different exchanges
-/// </summary>
-public interface ICryptoRestClient
-{
-    /// <summary>
-    /// Try get 
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <returns></returns>
-    T TryGet<T>(Func<T> createFunc);
-}

CryptoExchange.Net/Interfaces/ICryptoSocketClient.cs

@@ -1,16 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.Interfaces;
-
-/// <summary>
-/// Client for accessing Websocket API's for different exchanges
-/// </summary>
-public interface ICryptoSocketClient
-{
-    /// <summary>
-    /// Try get a client by type for the service collection
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    /// <returns></returns>
-    T TryGet<T>(Func<T> createFunc);
-}

CryptoExchange.Net/Interfaces/IExchangeService.cs

@@ -0,0 +1,13 @@
+namespace CryptoExchange.Net.Interfaces
+{
+    /// <summary>
+    /// Service for an exchange
+    /// </summary>
+    public interface IExchangeService
+    {
+        /// <summary>
+        /// The exchange the service is for
+        /// </summary>
+        public string ExchangeName { get; }
+    }
+}