.

Updated websocket message to listener matching logic to be more flexible

.github/workflows/dotnet.yml

@@ -16,7 +16,7 @@ jobs:
     - name: Setup .NET
       uses: actions/setup-dotnet@v1
       with:
-        dotnet-version: 8.0.x
+        dotnet-version: 9.0.x
     - name: Restore dependencies
       run: dotnet restore
     - name: Build

CryptoExchange.Net.Protobuf/Converters/Protobuf/ProtobufMessageAccessor.cs

@@ -0,0 +1,530 @@
+using CryptoExchange.Net.Converters.MessageParsing;
+using CryptoExchange.Net.Interfaces;
+using CryptoExchange.Net.Objects;
+using ProtoBuf;
+using ProtoBuf.Meta;
+using System;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.Runtime.InteropServices.ComTypes;
+using System.Text;
+using System.Text.Json;
+using System.Threading.Tasks;
+
+namespace CryptoExchange.Net.Converters.Protobuf
+{
+    /// <summary>
+    /// System.Text.Json message accessor
+    /// </summary>
+#if NET5_0_OR_GREATER
+    public abstract class ProtobufMessageAccessor<
+        [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+        DynamicallyAccessedMemberTypes.NonPublicConstructors |
+        DynamicallyAccessedMemberTypes.PublicFields |
+        DynamicallyAccessedMemberTypes.NonPublicFields |
+        DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+        DynamicallyAccessedMemberTypes.PublicProperties |
+        DynamicallyAccessedMemberTypes.NonPublicProperties |
+#endif
+        DynamicallyAccessedMemberTypes.PublicNestedTypes |
+        DynamicallyAccessedMemberTypes.NonPublicMethods |
+        DynamicallyAccessedMemberTypes.PublicMethods
+        )]
+    TIntermediateType> : IMessageAccessor
+#else
+    public abstract class ProtobufMessageAccessor<TIntermediateType> : IMessageAccessor
+#endif
+    {
+        /// <summary>
+        /// The intermediate deserialization object
+        /// </summary>
+        protected TIntermediateType? _intermediateType;
+        /// <summary>
+        /// Runtime type model
+        /// </summary>
+        protected RuntimeTypeModel _model;
+
+        /// <inheritdoc />
+        public bool IsValid { get; set; }
+
+        /// <inheritdoc />
+        public abstract bool OriginalDataAvailable { get; }
+
+        /// <inheritdoc />
+        public object? Underlying => _intermediateType;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ProtobufMessageAccessor(RuntimeTypeModel model)
+        {
+            _model = model;
+        }
+
+        /// <inheritdoc />
+        public NodeType? GetNodeType()
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <inheritdoc />
+        public NodeType? GetNodeType(MessagePath path)
+        {
+            if (_intermediateType == null)
+                throw new InvalidOperationException("Data not read");
+
+            object? value = _intermediateType;
+            foreach (var step in path)
+            {
+                if (value == null)
+                    break;
+
+                if (step.Type == 0)
+                {
+                    // array index
+                }
+                else if (step.Type == 1)
+                {
+                    // property value
+#pragma warning disable IL2075 // Type is already annotated
+                    value = value.GetType().GetProperty(step.Property!)?.GetValue(value);
+#pragma warning restore
+                }
+                else
+                {
+                    // property name
+                }
+            }
+
+            if (value == null)
+                return null;
+
+            var valueType = value.GetType();
+            if (valueType.IsArray)
+                return NodeType.Array;
+
+            if (IsSimple(valueType))
+                return NodeType.Value;
+
+            return NodeType.Object;
+        }
+
+        private static bool IsSimple(Type type)
+        {
+            if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
+            {
+                // 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);
+        }
+
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2075:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public T? GetValue<T>(MessagePath path)
+        {
+            if (_intermediateType == null)
+                throw new InvalidOperationException("Data not read");
+
+            object? value = _intermediateType;
+            foreach(var step in path)
+            {
+                if (value == null)
+                    break;
+
+                if (step.Type == 0)
+                {
+                    // array index
+                }
+                else if (step.Type == 1)
+                {
+                    // property value
+#pragma warning disable IL2075 // Type is already annotated
+                    value = value.GetType().GetProperty(step.Property!)?.GetValue(value);
+#pragma warning restore
+                }
+                else
+                {
+                    // property name
+                }
+            }
+
+            return (T?)value;
+        }
+
+        /// <inheritdoc />
+        public T?[]? GetValues<T>(MessagePath path)
+        {
+            throw new NotImplementedException();
+        }
+
+        /// <inheritdoc />
+        public abstract string GetOriginalString();
+
+        /// <inheritdoc />
+        public abstract void Clear();
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public abstract CallResult<object> Deserialize(
+#if NET5_0_OR_GREATER
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+#endif
+        Type type, MessagePath? path = null);
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public abstract CallResult<T> Deserialize<
+#if NET5_0_OR_GREATER
+        [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+#endif
+        T>(MessagePath? path = null);
+    }
+
+    /// <summary>
+    /// System.Text.Json stream message accessor
+    /// </summary>
+    public class ProtobufStreamMessageAccessor<
+#if NET5_0_OR_GREATER
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+#endif
+    TIntermediate> : ProtobufMessageAccessor<TIntermediate>, IStreamMessageAccessor
+    {
+        private Stream? _stream;
+
+        /// <inheritdoc />
+        public override bool OriginalDataAvailable => _stream?.CanSeek == true;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ProtobufStreamMessageAccessor(RuntimeTypeModel model) : base(model)
+        {
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public override CallResult<object> Deserialize(
+#if NET5_0_OR_GREATER
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+#endif
+        Type type, MessagePath? path = null)
+        {
+            try
+            {
+                var result = _model.Deserialize(type, _stream);
+                return new CallResult<object>(result);
+            }
+            catch (Exception ex)
+            {
+                return new CallResult<object>(new DeserializeError("Protobuf deserialization failed: " + ex.Message, ex));
+            }
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public override CallResult<T> Deserialize<            
+#if NET5_0_OR_GREATER
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+#endif
+        T>(MessagePath? path = null)
+        {
+            try
+            {
+                var result = _model.Deserialize<T>(_stream);
+                return new CallResult<T>(result);
+            }
+            catch(Exception ex)
+            {
+                return new CallResult<T>(new DeserializeError("Protobuf deserialization failed: " + ex.Message, ex));
+            }
+        }
+
+        /// <inheritdoc />
+        public 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
+            {
+                _intermediateType = _model.Deserialize<TIntermediate>(_stream);
+                IsValid = true;
+                return Task.FromResult(CallResult.SuccessResult);
+            }
+            catch (Exception ex)
+            {
+                // Not a json message
+                IsValid = false;
+                return Task.FromResult(new CallResult(new DeserializeError("Protobuf 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;
+            _intermediateType = default;
+        }
+
+    }
+
+    /// <summary>
+    /// Protobuf byte message accessor
+    /// </summary>
+    public class ProtobufByteMessageAccessor<
+#if NET5_0_OR_GREATER
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+#endif
+    TIntermediate> : ProtobufMessageAccessor<TIntermediate>, IByteMessageAccessor
+    {
+        private ReadOnlyMemory<byte> _bytes;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ProtobufByteMessageAccessor(RuntimeTypeModel model) : base(model)
+        {
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+        public override CallResult<object> Deserialize(
+
+#if NET5_0_OR_GREATER
+            [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+            [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+#endif
+        Type type, MessagePath? path = null)
+        {
+            try
+            {
+                using var stream = new MemoryStream(_bytes.ToArray());
+                stream.Position = 0;
+                var result = _model.Deserialize(type, stream);
+                return new CallResult<object>(result);
+            }
+            catch (Exception ex)
+            {
+                return new CallResult<object>(new DeserializeError("Protobuf deserialization failed: " + ex.Message, ex));
+            }
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+#if NET5_0_OR_GREATER
+        public override CallResult<T> Deserialize<
+            [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+            [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+        T>(MessagePath? path = null)
+#else
+        public override CallResult<T> Deserialize<T>(MessagePath? path = null)
+#endif
+        {
+            try
+            {
+                var result = _model.Deserialize<T>(_bytes);
+                return new CallResult<T>(result);
+            }
+            catch (Exception ex)
+            {
+                return new CallResult<T>(new DeserializeError("Protobuf deserialization failed: " + ex.Message, ex));
+            }
+        }
+
+        /// <inheritdoc />
+        public CallResult Read(ReadOnlyMemory<byte> data)
+        {
+            _bytes = data;
+
+            try
+            {
+                _intermediateType = _model.Deserialize<TIntermediate>(data);
+                IsValid = true;
+                return CallResult.SuccessResult;
+            }
+            catch (Exception ex)
+            {
+                // Not a json message
+                IsValid = false;
+                return new CallResult(new DeserializeError("Protobuf 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;
+            _intermediateType = default;
+        }
+    }
+}

CryptoExchange.Net.Protobuf/Converters/Protobuf/ProtobufMessageSerializer.cs

@@ -0,0 +1,53 @@
+using CryptoExchange.Net.Interfaces;
+using ProtoBuf.Meta;
+using System.Diagnostics.CodeAnalysis;
+using System.IO;
+using System.Reflection;
+
+namespace CryptoExchange.Net.Converters.Protobuf
+{
+    /// <inheritdoc />
+    public class ProtobufMessageSerializer : IByteMessageSerializer
+    {
+        private RuntimeTypeModel _model;
+
+        /// <summary>
+        /// ctor
+        /// </summary>
+        public ProtobufMessageSerializer(RuntimeTypeModel model)
+        {
+            _model = model;
+        }
+
+        /// <inheritdoc />
+#if NET5_0_OR_GREATER
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2092:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+        [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2095:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
+#if NET5_0_OR_GREATER
+        public byte[] Serialize<
+            [DynamicallyAccessedMembers(
+#if NET8_0_OR_GREATER
+            DynamicallyAccessedMemberTypes.NonPublicConstructors |
+            DynamicallyAccessedMemberTypes.PublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicFields |
+            DynamicallyAccessedMemberTypes.NonPublicNestedTypes |
+            DynamicallyAccessedMemberTypes.PublicProperties |
+            DynamicallyAccessedMemberTypes.NonPublicProperties |
+            DynamicallyAccessedMemberTypes.PublicConstructors |
+#endif
+            DynamicallyAccessedMemberTypes.PublicNestedTypes |
+            DynamicallyAccessedMemberTypes.NonPublicMethods |
+            DynamicallyAccessedMemberTypes.PublicMethods
+            )]
+        T>(T message)
+#else
+        public byte[] Serialize<T>(T message)
+#endif
+        {
+            using var memoryStream = new MemoryStream();
+            _model.Serialize(memoryStream, message);
+            return memoryStream.ToArray();
+        }
+    }
+}

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

@@ -0,0 +1,47 @@
+<Project Sdk="Microsoft.NET.Sdk">
+  <PropertyGroup>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net9.0</TargetFrameworks>
+  </PropertyGroup>
+  <PropertyGroup>
+    <PackageId>CryptoExchange.Net.Protobuf</PackageId>
+    <Authors>JKorf</Authors>
+    <Description>Protobuf support for CryptoExchange.Net</Description>
+    <PackageVersion>9.6.0</PackageVersion>
+    <AssemblyVersion>9.6.0</AssemblyVersion>
+    <FileVersion>9.6.0</FileVersion>
+    <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
+    <PackageTags>CryptoExchange;CryptoExchange.Net</PackageTags>
+    <RepositoryType>git</RepositoryType>
+    <RepositoryUrl>https://github.com/JKorf/CryptoExchange.Net.git</RepositoryUrl>
+    <PackageProjectUrl>https://github.com/JKorf/CryptoExchange.Net/tree/master/CryptoExchange.Net.Protobuf</PackageProjectUrl>
+    <NeutralLanguage>en</NeutralLanguage>
+    <PackageReadmeFile>README.md</PackageReadmeFile>
+    <PackageIcon>icon.png</PackageIcon>
+    <GeneratePackageOnBuild>true</GeneratePackageOnBuild>
+    <PackageReleaseNotes>https://github.com/JKorf/CryptoExchange.Net?tab=readme-ov-file#release-notes</PackageReleaseNotes>
+    <Nullable>enable</Nullable>
+    <LangVersion>12.0</LangVersion>
+    <PackageLicenseExpression>MIT</PackageLicenseExpression>
+  </PropertyGroup>
+  <ItemGroup>
+    <None Include="..\CryptoExchange.Net\Icon\icon.png" Pack="true" PackagePath="\" />
+    <None Include="README.md" Pack="true" PackagePath="\" />
+  </ItemGroup>
+  <PropertyGroup Label="AOT" Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">
+    <IsAotCompatible>true</IsAotCompatible>
+  </PropertyGroup>
+  <PropertyGroup Label="Deterministic Build" Condition="'$(Configuration)' == 'Release'">
+    <PublishRepositoryUrl>true</PublishRepositoryUrl>
+    <IncludeSymbols>true</IncludeSymbols>
+    <SymbolPackageFormat>snupkg</SymbolPackageFormat>
+    <EmbedUntrackedSources>true</EmbedUntrackedSources>
+    <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
+  </PropertyGroup>
+  <PropertyGroup>
+    <DocumentationFile>CryptoExchange.Net.Protobuf.xml</DocumentationFile>
+  </PropertyGroup>
+  <ItemGroup>
+    <PackageReference Include="CryptoExchange.Net" Version="9.6.0" />
+    <PackageReference Include="protobuf-net" Version="3.2.56" />
+  </ItemGroup>
+</Project>

CryptoExchange.Net.Protobuf/CryptoExchange.Net.Protobuf.xml

@@ -0,0 +1,128 @@
+<?xml version="1.0"?>
+<doc>
+    <assembly>
+        <name>CryptoExchange.Net.Protobuf</name>
+    </assembly>
+    <members>
+        <member name="T:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1">
+            <summary>
+            System.Text.Json message accessor
+            </summary>
+        </member>
+        <member name="F:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1._intermediateType">
+            <summary>
+            The intermediate deserialization object
+            </summary>
+        </member>
+        <member name="F:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1._model">
+            <summary>
+            Runtime type model
+            </summary>
+        </member>
+        <member name="P:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.IsValid">
+            <inheritdoc />
+        </member>
+        <member name="P:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.OriginalDataAvailable">
+            <inheritdoc />
+        </member>
+        <member name="P:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.Underlying">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.#ctor(ProtoBuf.Meta.RuntimeTypeModel)">
+            <summary>
+            ctor
+            </summary>
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.GetNodeType">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.GetNodeType(CryptoExchange.Net.Converters.MessageParsing.MessagePath)">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.GetValue``1(CryptoExchange.Net.Converters.MessageParsing.MessagePath)">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.GetValues``1(CryptoExchange.Net.Converters.MessageParsing.MessagePath)">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.GetOriginalString">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.Clear">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.Deserialize(System.Type,System.Nullable{CryptoExchange.Net.Converters.MessageParsing.MessagePath})">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageAccessor`1.Deserialize``1(System.Nullable{CryptoExchange.Net.Converters.MessageParsing.MessagePath})">
+            <inheritdoc />
+        </member>
+        <member name="T:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1">
+            <summary>
+            System.Text.Json stream message accessor
+            </summary>
+        </member>
+        <member name="P:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1.OriginalDataAvailable">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1.#ctor(ProtoBuf.Meta.RuntimeTypeModel)">
+            <summary>
+            ctor
+            </summary>
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1.Deserialize(System.Type,System.Nullable{CryptoExchange.Net.Converters.MessageParsing.MessagePath})">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1.Deserialize``1(System.Nullable{CryptoExchange.Net.Converters.MessageParsing.MessagePath})">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1.Read(System.IO.Stream,System.Boolean)">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1.GetOriginalString">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufStreamMessageAccessor`1.Clear">
+            <inheritdoc />
+        </member>
+        <member name="T:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1">
+            <summary>
+            Protobuf byte message accessor
+            </summary>
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1.#ctor(ProtoBuf.Meta.RuntimeTypeModel)">
+            <summary>
+            ctor
+            </summary>
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1.Deserialize(System.Type,System.Nullable{CryptoExchange.Net.Converters.MessageParsing.MessagePath})">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1.Deserialize``1(System.Nullable{CryptoExchange.Net.Converters.MessageParsing.MessagePath})">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1.Read(System.ReadOnlyMemory{System.Byte})">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1.GetOriginalString">
+            <inheritdoc />
+        </member>
+        <member name="P:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1.OriginalDataAvailable">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufByteMessageAccessor`1.Clear">
+            <inheritdoc />
+        </member>
+        <member name="T:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageSerializer">
+            <inheritdoc />
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageSerializer.#ctor(ProtoBuf.Meta.RuntimeTypeModel)">
+            <summary>
+            ctor
+            </summary>
+        </member>
+        <member name="M:CryptoExchange.Net.Converters.Protobuf.ProtobufMessageSerializer.Serialize``1(``0)">
+            <inheritdoc />
+        </member>
+    </members>
+</doc>

CryptoExchange.Net.Protobuf/README.md

@@ -0,0 +1,22 @@
+# ![.CryptoExchange.Net](https://github.com/JKorf/CryptoExchange.Net/blob/ffcb7db8ff597c2f14982d68464015a748815580/CryptoExchange.Net/Icon/icon.png) CryptoExchange.Net.Proto  
+
+[![.NET](https://img.shields.io/github/actions/workflow/status/JKorf/CryptoExchange.Net/dotnet.yml?style=for-the-badge)](https://github.com/JKorf/CryptoExchange.Net/actions/workflows/dotnet.yml) [![Nuget downloads](https://img.shields.io/nuget/dt/CryptoExchange.Net.Protobuf.svg?style=for-the-badge)](https://www.nuget.org/packages/CryptoExchange.Net.Protobuf) ![License](https://img.shields.io/github/license/JKorf/CryptoExchange.Net?style=for-the-badge)
+
+Protobuf support for CryptoExchange.Net.
+
+## Release notes
+* Version 9.6.0 - 25 Aug 2025
+    * Updated CryptoExchange.Net version to 9.6.0
+
+* Version 9.5.0 - 19 Aug 2025
+    * Updated CryptoExchange.Net version to 9.5.0
+
+* Version 9.4.0 - 04 Aug 2025
+    * Updated CryptoExchange.Net to version 9.4.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+    * Updated protobuf-net package version to 3.2.56
+
+* Version 9.3.0 - 23 Jul 2025
+    * Updated CryptoExchange.Net to version 9.3.0, see https://github.com/JKorf/CryptoExchange.Net/releases/
+
+* Version 9.2.0 - 14 Jul 2025
+    * Initial release

CryptoExchange.Net.UnitTests/AsyncResetEventTests.cs

@@ -106,6 +106,7 @@ namespace CryptoExchange.Net.UnitTests
             for(var i = 1; i <= 10; i++)
             {
                 evnt.Set();
+                await Task.Delay(1); // Wait for the continuation.
                 Assert.That(10 - i == waiters.Count(w => w.Status != TaskStatus.RanToCompletion));
             }
 

CryptoExchange.Net.UnitTests/CallResultTests.cs

@@ -1,4 +1,5 @@
 using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Errors;
 using NUnit.Framework;
 using NUnit.Framework.Legacy;
 using System;
@@ -16,9 +17,9 @@ namespace CryptoExchange.Net.UnitTests
         [Test]
         public void TestBasicErrorCallResult()
         {
-            var result = new CallResult(new ServerError("TestError"));
+            var result = new CallResult(new ServerError("TestError", ErrorInfo.Unknown));
 
-            ClassicAssert.AreSame(result.Error.Message, "TestError");
+            ClassicAssert.AreSame(result.Error.ErrorCode, "TestError");
             ClassicAssert.IsFalse(result);
             ClassicAssert.IsFalse(result.Success);
         }
@@ -36,9 +37,9 @@ namespace CryptoExchange.Net.UnitTests
         [Test]
         public void TestCallResultError()
         {
-            var result = new CallResult<object>(new ServerError("TestError"));
+            var result = new CallResult<object>(new ServerError("TestError", ErrorInfo.Unknown));
 
-            ClassicAssert.AreSame(result.Error.Message, "TestError");
+            ClassicAssert.AreSame(result.Error.ErrorCode, "TestError");
             ClassicAssert.IsNull(result.Data);
             ClassicAssert.IsFalse(result);
             ClassicAssert.IsFalse(result.Success);
@@ -71,11 +72,11 @@ namespace CryptoExchange.Net.UnitTests
         [Test]
         public void TestCallResultErrorAs()
         {
-            var result = new CallResult<TestObjectResult>(new ServerError("TestError"));
+            var result = new CallResult<TestObjectResult>(new ServerError("TestError", ErrorInfo.Unknown));
             var asResult = result.As<TestObject2>(default);
 
             ClassicAssert.IsNotNull(asResult.Error);
-            ClassicAssert.AreSame(asResult.Error.Message, "TestError");
+            ClassicAssert.AreSame(asResult.Error.ErrorCode, "TestError");
             ClassicAssert.IsNull(asResult.Data);
             ClassicAssert.IsFalse(asResult);
             ClassicAssert.IsFalse(asResult.Success);
@@ -84,11 +85,11 @@ namespace CryptoExchange.Net.UnitTests
         [Test]
         public void TestCallResultErrorAsError()
         {
-            var result = new CallResult<TestObjectResult>(new ServerError("TestError"));
+            var result = new CallResult<TestObjectResult>(new ServerError("TestError", ErrorInfo.Unknown));
-            var asResult = result.AsError<TestObject2>(new ServerError("TestError2"));
+            var asResult = result.AsError<TestObject2>(new ServerError("TestError2", ErrorInfo.Unknown));
 
             ClassicAssert.IsNotNull(asResult.Error);
-            ClassicAssert.AreSame(asResult.Error.Message, "TestError2");
+            ClassicAssert.AreSame(asResult.Error.ErrorCode, "TestError2");
             ClassicAssert.IsNull(asResult.Data);
             ClassicAssert.IsFalse(asResult);
             ClassicAssert.IsFalse(asResult.Success);
@@ -97,11 +98,11 @@ namespace CryptoExchange.Net.UnitTests
         [Test]
         public void TestWebCallResultErrorAsError()
         {
-            var result = new WebCallResult<TestObjectResult>(new ServerError("TestError"));
+            var result = new WebCallResult<TestObjectResult>(new ServerError("TestError", ErrorInfo.Unknown));
-            var asResult = result.AsError<TestObject2>(new ServerError("TestError2"));
+            var asResult = result.AsError<TestObject2>(new ServerError("TestError2", ErrorInfo.Unknown));
 
             ClassicAssert.IsNotNull(asResult.Error);
-            ClassicAssert.AreSame(asResult.Error.Message, "TestError2");
+            ClassicAssert.AreSame(asResult.Error.ErrorCode, "TestError2");
             ClassicAssert.IsNull(asResult.Data);
             ClassicAssert.IsFalse(asResult);
             ClassicAssert.IsFalse(asResult.Success);
@@ -112,7 +113,7 @@ namespace CryptoExchange.Net.UnitTests
         {
             var result = new WebCallResult<TestObjectResult>(
                 System.Net.HttpStatusCode.OK,
-                new List<KeyValuePair<string, IEnumerable<string>>>(),
+                new KeyValuePair<string, string[]>[0],
                 TimeSpan.FromSeconds(1),
                 null,
                 "{}",
@@ -120,14 +121,14 @@ namespace CryptoExchange.Net.UnitTests
                 "https://test.com/api",
                 null,
                 HttpMethod.Get,
-                new List<KeyValuePair<string, IEnumerable<string>>>(),
+                new KeyValuePair<string, string[]>[0],
                 ResultDataSource.Server,
                 new TestObjectResult(),
                 null);
-            var asResult = result.AsError<TestObject2>(new ServerError("TestError2"));
+            var asResult = result.AsError<TestObject2>(new ServerError("TestError2", ErrorInfo.Unknown));
 
             ClassicAssert.IsNotNull(asResult.Error);
-            Assert.That(asResult.Error.Message == "TestError2");
+            Assert.That(asResult.Error.ErrorCode == "TestError2");
             Assert.That(asResult.ResponseStatusCode == System.Net.HttpStatusCode.OK);
             Assert.That(asResult.ResponseTime == TimeSpan.FromSeconds(1));
             Assert.That(asResult.RequestUrl == "https://test.com/api");
@@ -142,7 +143,7 @@ namespace CryptoExchange.Net.UnitTests
         {
             var result = new WebCallResult<TestObjectResult>(
                 System.Net.HttpStatusCode.OK,
-                new List<KeyValuePair<string, IEnumerable<string>>>(),
+                new KeyValuePair<string, string[]>[0],
                 TimeSpan.FromSeconds(1),
                 null,
                 "{}",
@@ -150,7 +151,7 @@ namespace CryptoExchange.Net.UnitTests
                 "https://test.com/api",
                 null,
                 HttpMethod.Get,
-                new List<KeyValuePair<string, IEnumerable<string>>>(),
+                new KeyValuePair<string, string[]>[0],
                 ResultDataSource.Server,
                 new TestObjectResult(),
                 null);

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

@@ -1,15 +1,19 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFramework>net8.0</TargetFramework>
+    <TargetFramework>net9.0</TargetFramework>
     <IsPackable>false</IsPackable>
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0"></PackageReference>
+    <None Include="..\CryptoExchange.Net\.editorconfig" Link=".editorconfig" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.14.1"></PackageReference>
     <PackageReference Include="Moq" Version="4.20.72" />
-    <PackageReference Include="NUnit" Version="4.2.2"></PackageReference>
+    <PackageReference Include="NUnit" Version="4.3.2"></PackageReference>
-    <PackageReference Include="NUnit3TestAdapter" Version="4.6.0"></PackageReference>
+    <PackageReference Include="NUnit3TestAdapter" Version="5.0.0"></PackageReference>
   </ItemGroup>
 
   <ItemGroup>

CryptoExchange.Net.UnitTests/JsonNetConverterTests.cs

@@ -1,248 +0,0 @@
-using CryptoExchange.Net.Attributes;
-using CryptoExchange.Net.Converters;
-using CryptoExchange.Net.Converters.JsonNet;
-using Newtonsoft.Json;
-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
-{
-    [TestFixture()]
-    public class JsonNetConverterTests
-    {
-        [TestCase("2021-05-12")]
-        [TestCase("20210512")]
-        [TestCase("210512")]
-        [TestCase("1620777600.000")]
-        [TestCase("1620777600000")]
-        [TestCase("2021-05-12T00:00:00.000Z")]
-        [TestCase("2021-05-12T00:00:00.000000000Z")]
-        [TestCase("0.000000", true)]
-        [TestCase("0", true)]
-        [TestCase("", true)]
-        [TestCase("  ", true)]
-        public void TestDateTimeConverterString(string input, bool expectNull = false)
-        {
-            var output = JsonConvert.DeserializeObject<TimeObject>($"{{ \"time\": \"{input}\" }}");
-            Assert.That(output.Time == (expectNull ? null: new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc)));
-        }
-
-        [TestCase(1620777600.000)]
-        [TestCase(1620777600000d)]
-        public void TestDateTimeConverterDouble(double input)
-        {
-            var output = JsonConvert.DeserializeObject<TimeObject>($"{{ \"time\": {input} }}");
-            Assert.That(output.Time == new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-        }
-
-        [TestCase(1620777600)]
-        [TestCase(1620777600000)]
-        [TestCase(1620777600000000)]
-        [TestCase(1620777600000000000)]
-        [TestCase(0, true)]
-        public void TestDateTimeConverterLong(long input, bool expectNull = false)
-        {
-            var output = JsonConvert.DeserializeObject<TimeObject>($"{{ \"time\": {input} }}");
-            Assert.That(output.Time == (expectNull ? null : new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc)));
-        }
-
-        [TestCase(1620777600)]
-        [TestCase(1620777600.000)]
-        public void TestDateTimeConverterFromSeconds(double input)
-        {
-            var output = DateTimeConverter.ConvertFromSeconds(input);
-            Assert.That(output == new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-        }
-
-        [Test]
-        public void TestDateTimeConverterToSeconds()
-        {
-            var output = DateTimeConverter.ConvertToSeconds(new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-            Assert.That(output == 1620777600);
-        }
-
-        [TestCase(1620777600000)]
-        [TestCase(1620777600000.000)]
-        public void TestDateTimeConverterFromMilliseconds(double input)
-        {
-            var output = DateTimeConverter.ConvertFromMilliseconds(input);
-            Assert.That(output == new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-        }
-
-        [Test]
-        public void TestDateTimeConverterToMilliseconds()
-        {
-            var output = DateTimeConverter.ConvertToMilliseconds(new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-            Assert.That(output == 1620777600000);
-        }
-
-        [TestCase(1620777600000000)]
-        public void TestDateTimeConverterFromMicroseconds(long input)
-        {
-            var output = DateTimeConverter.ConvertFromMicroseconds(input);
-            Assert.That(output == new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-        }
-
-        [Test]
-        public void TestDateTimeConverterToMicroseconds()
-        {
-            var output = DateTimeConverter.ConvertToMicroseconds(new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-            Assert.That(output == 1620777600000000);
-        }
-
-        [TestCase(1620777600000000000)]
-        public void TestDateTimeConverterFromNanoseconds(long input)
-        {
-            var output = DateTimeConverter.ConvertFromNanoseconds(input);
-            Assert.That(output == new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-        }
-
-        [Test]
-        public void TestDateTimeConverterToNanoseconds()
-        {
-            var output = DateTimeConverter.ConvertToNanoseconds(new DateTime(2021, 05, 12, 0, 0, 0, DateTimeKind.Utc));
-            Assert.That(output == 1620777600000000000);
-        }
-
-        [TestCase()]
-        public void TestDateTimeConverterNull()
-        {
-            var output = JsonConvert.DeserializeObject<TimeObject>($"{{ \"time\": null }}");
-            Assert.That(output.Time == null);
-        }
-
-        [TestCase(TestEnum.One, "1")]
-        [TestCase(TestEnum.Two, "2")]
-        [TestCase(TestEnum.Three, "three")]
-        [TestCase(TestEnum.Four, "Four")]
-        [TestCase(null, null)]
-        public void TestEnumConverterNullableGetStringTests(TestEnum? value, string expected)
-        {
-            var output = EnumConverter.GetString(value);
-            Assert.That(output == expected);
-        }
-
-        [TestCase(TestEnum.One, "1")]
-        [TestCase(TestEnum.Two, "2")]
-        [TestCase(TestEnum.Three, "three")]
-        [TestCase(TestEnum.Four, "Four")]
-        public void TestEnumConverterGetStringTests(TestEnum value, string expected)
-        {
-            var output = EnumConverter.GetString(value);
-            Assert.That(output == expected);
-        }
-
-        [TestCase("1", TestEnum.One)]
-        [TestCase("2", TestEnum.Two)]
-        [TestCase("3", TestEnum.Three)]
-        [TestCase("three", TestEnum.Three)]
-        [TestCase("Four", TestEnum.Four)]
-        [TestCase("four", TestEnum.Four)]
-        [TestCase("Four1", null)]
-        [TestCase(null, null)]
-        public void TestEnumConverterNullableDeserializeTests(string value, TestEnum? expected)
-        {
-            var val = value == null ? "null" : $"\"{value}\"";
-            var output = JsonConvert.DeserializeObject<EnumObject>($"{{ \"Value\": {val} }}");
-            Assert.That(output.Value == expected);
-        }
-
-        [TestCase("1", TestEnum.One)]
-        [TestCase("2", TestEnum.Two)]
-        [TestCase("3", TestEnum.Three)]
-        [TestCase("three", TestEnum.Three)]
-        [TestCase("Four", TestEnum.Four)]
-        [TestCase("four", TestEnum.Four)]
-        [TestCase("Four1", TestEnum.One)]
-        [TestCase(null, TestEnum.One)]
-        public void TestEnumConverterNotNullableDeserializeTests(string value, TestEnum? expected)
-        {
-            var val = value == null ? "null" : $"\"{value}\"";
-            var output = JsonConvert.DeserializeObject<NotNullableEnumObject>($"{{ \"Value\": {val} }}");
-            Assert.That(output.Value == expected);
-        }
-
-        [TestCase("1", true)]
-        [TestCase("true", true)]
-        [TestCase("yes", true)]
-        [TestCase("y", true)]
-        [TestCase("on", true)]
-        [TestCase("-1", false)]
-        [TestCase("0", false)]
-        [TestCase("n", false)]
-        [TestCase("no", false)]
-        [TestCase("false", false)]
-        [TestCase("off", false)]
-        [TestCase("", null)]
-        public void TestBoolConverter(string value, bool? expected)
-        {
-            var val = value == null ? "null" : $"\"{value}\"";
-            var output = JsonConvert.DeserializeObject<BoolObject>($"{{ \"Value\": {val} }}");
-            Assert.That(output.Value == expected);
-        }
-
-        [TestCase("1", true)]
-        [TestCase("true", true)]
-        [TestCase("yes", true)]
-        [TestCase("y", true)]
-        [TestCase("on", true)]
-        [TestCase("-1", false)]
-        [TestCase("0", false)]
-        [TestCase("n", false)]
-        [TestCase("no", false)]
-        [TestCase("false", false)]
-        [TestCase("off", false)]
-        [TestCase("", false)]
-        public void TestBoolConverterNotNullable(string value, bool expected)
-        {
-            var val = value == null ? "null" : $"\"{value}\"";
-            var output = JsonConvert.DeserializeObject<NotNullableBoolObject>($"{{ \"Value\": {val} }}");
-            Assert.That(output.Value == expected);
-        }
-    }
-
-    public class TimeObject
-    {
-        [JsonConverter(typeof(DateTimeConverter))]
-        public DateTime? Time { get; set; }
-    }
-
-    public class EnumObject
-    {
-        public TestEnum? Value { get; set; }
-    }
-
-    public class NotNullableEnumObject
-    {
-        public TestEnum Value { get; set; }
-    }
-
-    public class BoolObject
-    {
-        [JsonConverter(typeof(BoolConverter))]
-        public bool? Value { get; set; }
-    }
-
-    public class NotNullableBoolObject
-    {
-        [JsonConverter(typeof(BoolConverter))]
-        public bool Value { get; set; }
-    }
-
-    [JsonConverter(typeof(EnumConverter))]
-    public enum TestEnum
-    {
-        [Map("1")]
-        One,
-        [Map("2")]
-        Two,
-        [Map("three", "3")]
-        Three,
-        Four
-    }
-}

CryptoExchange.Net.UnitTests/RestClientTests.cs

@@ -1,14 +1,9 @@
-using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Objects;
-using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.UnitTests.TestImplementations;
-using Newtonsoft.Json;
 using NUnit.Framework;
 using System;
 using System.Collections.Generic;
-using System.Diagnostics;
 using System.Linq;
-using CryptoExchange.Net.Interfaces;
-using Microsoft.Extensions.Logging;
 using System.Net.Http;
 using System.Threading.Tasks;
 using System.Threading;
@@ -18,6 +13,7 @@ using System.Net;
 using CryptoExchange.Net.RateLimiting.Guards;
 using CryptoExchange.Net.RateLimiting.Filters;
 using CryptoExchange.Net.RateLimiting.Interfaces;
+using System.Text.Json;
 
 namespace CryptoExchange.Net.UnitTests
 {
@@ -30,7 +26,7 @@ namespace CryptoExchange.Net.UnitTests
             // arrange
             var client = new TestRestClient();
             var expected = new TestObject() { DecimalData = 1.23M, IntData = 10, StringData = "Some data" };
-            client.SetResponse(JsonConvert.SerializeObject(expected), out _);
+            client.SetResponse(JsonSerializer.Serialize(expected, new JsonSerializerOptions { TypeInfoResolver = new TestSerializerContext() }), out _);
 
             // act
             var result = client.Api1.Request<TestObject>().Result;
@@ -84,8 +80,6 @@ namespace CryptoExchange.Net.UnitTests
             ClassicAssert.IsFalse(result.Success);
             Assert.That(result.Error != null);
             Assert.That(result.Error is ServerError);
-            Assert.That(result.Error.Message.Contains("Invalid request"));
-            Assert.That(result.Error.Message.Contains("123"));
         }
 
         [TestCase]
@@ -102,7 +96,7 @@ namespace CryptoExchange.Net.UnitTests
             ClassicAssert.IsFalse(result.Success);
             Assert.That(result.Error != null);
             Assert.That(result.Error is ServerError);
-            Assert.That(result.Error.Code == 123);
+            Assert.That(result.Error.ErrorCode == "123");
             Assert.That(result.Error.Message == "Invalid request");
         }
 
@@ -140,7 +134,7 @@ namespace CryptoExchange.Net.UnitTests
 
             client.SetResponse("{}", out var request);
 
-            await client.Api1.RequestWithParams<TestObject>(new HttpMethod(method), new Dictionary<string, object>
+            await client.Api1.RequestWithParams<TestObject>(new HttpMethod(method), new ParameterCollection
             {
                 { "TestParam1", "Value1" },
                 { "TestParam2", 2 },
@@ -176,19 +170,19 @@ namespace CryptoExchange.Net.UnitTests
 
             for (var i = 0; i < requests + 1; i++)
             {
-                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);             
+                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);             
                 Assert.That(i == requests? triggered : !triggered);
             }
             triggered = false;
             await Task.Delay((int)Math.Round(perSeconds * 1000) + 10);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1,  RateLimitingBehaviour.Wait, default);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1,  RateLimitingBehaviour.Wait, null, default);
             Assert.That(!triggered);
         }
 
         [TestCase("/sapi/test1", true)]
         [TestCase("/sapi/test2", true)]
         [TestCase("/api/test1", false)]
-        [TestCase("sapi/test1", false)]
+        [TestCase("sapi/test1", true)]
         [TestCase("/sapi/", true)]
         public async Task PartialEndpointRateLimiterEndpoints(string endpoint, bool expectLimiting)
         {
@@ -201,7 +195,7 @@ namespace CryptoExchange.Net.UnitTests
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
             for (var i = 0; i < 2; i++)
             {
-                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
                 bool expected = i == 1 ? (expectLimiting ? evnt.DelayTime > TimeSpan.Zero : evnt == null) : evnt == null;
                 Assert.That(expected);
             }
@@ -222,9 +216,9 @@ namespace CryptoExchange.Net.UnitTests
             RateLimitEvent evnt = null;
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
 
-            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(evnt == null);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition2, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition2, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(expectLimiting ? evnt != null : evnt == null);
         }
 
@@ -243,12 +237,12 @@ namespace CryptoExchange.Net.UnitTests
 
             for (var i = 0; i < requests + 1; i++)
             {
-                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
                 Assert.That(i == requests ? triggered : !triggered);
             }
             triggered = false;
             await Task.Delay((int)Math.Round(perSeconds * 1000) + 10);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(!triggered);
         }
 
@@ -266,7 +260,7 @@ namespace CryptoExchange.Net.UnitTests
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
             for (var i = 0; i < 2; i++)
             {
-                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
                 bool expected = i == 1 ? (expectLimited ? evnt.DelayTime > TimeSpan.Zero : evnt == null) : evnt == null;
                 Assert.That(expected);
             }
@@ -286,7 +280,7 @@ namespace CryptoExchange.Net.UnitTests
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
             for (var i = 0; i < 2; i++)
             {
-                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+                var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
                 bool expected = i == 1 ? (expectLimited ? evnt.DelayTime > TimeSpan.Zero : evnt == null) : evnt == null;
                 Assert.That(expected);
             }
@@ -309,9 +303,9 @@ namespace CryptoExchange.Net.UnitTests
             RateLimitEvent evnt = null;
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
 
-            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, "https://test.com", key1, 1, RateLimitingBehaviour.Wait, default);
+            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, "https://test.com", key1, 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(evnt == null);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition2, "https://test.com", key2, 1, RateLimitingBehaviour.Wait, default);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition2, "https://test.com", key2, 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(expectLimited ? evnt != null : evnt == null);
         }
 
@@ -328,9 +322,9 @@ namespace CryptoExchange.Net.UnitTests
             RateLimitEvent evnt = null;
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
 
-            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, default);
+            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(evnt == null);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition2, "https://test.com", null, 1, RateLimitingBehaviour.Wait, default);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition2, "https://test.com", null, 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(expectLimited ? evnt != null : evnt == null);
         }
 
@@ -348,9 +342,9 @@ namespace CryptoExchange.Net.UnitTests
             RateLimitEvent evnt = null;
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
 
-            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, host1, "123", 1, RateLimitingBehaviour.Wait, default);
+            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, host1, "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(evnt == null);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, host2, "123", 1, RateLimitingBehaviour.Wait, default);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Request, requestDefinition1, host2, "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(expectLimited ? evnt != null : evnt == null);
         }
 
@@ -365,9 +359,9 @@ namespace CryptoExchange.Net.UnitTests
             RateLimitEvent evnt = null;
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
 
-            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), host1, "123", 1, RateLimitingBehaviour.Wait, default);
+            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), host1, "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(evnt == null);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), host2, "123", 1, RateLimitingBehaviour.Wait, default);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), host2, "123", 1, RateLimitingBehaviour.Wait, null, default);
             Assert.That(expectLimited ? evnt != null : evnt == null);
         }
 
@@ -381,8 +375,8 @@ namespace CryptoExchange.Net.UnitTests
             rateLimiter.RateLimitTriggered += (x) => { evnt = x; };
             var ct = new CancellationTokenSource(TimeSpan.FromSeconds(0.2));
 
-            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), "https://test.com", "123", 1, RateLimitingBehaviour.Wait, ct.Token);
+            var result1 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, ct.Token);
-            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), "https://test.com", "123", 1, RateLimitingBehaviour.Wait, ct.Token);
+            var result2 = await rateLimiter.ProcessAsync(new TraceLogger(), 1, RateLimitItemType.Connection, new RequestDefinition("1", HttpMethod.Get), "https://test.com", "123", 1, RateLimitingBehaviour.Wait, null, ct.Token);
             Assert.That(result2.Error, Is.TypeOf<CancellationRequestedError>());
         }
     }

CryptoExchange.Net.UnitTests/SocketClientTests.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Text.Json;
 using System.Threading;
 using System.Threading.Tasks;
 using CryptoExchange.Net.Objects;
@@ -9,7 +10,6 @@ using CryptoExchange.Net.UnitTests.TestImplementations;
 using CryptoExchange.Net.UnitTests.TestImplementations.Sockets;
 using Microsoft.Extensions.Logging;
 using Moq;
-using Newtonsoft.Json;
 using NUnit.Framework;
 using NUnit.Framework.Legacy;
 
@@ -103,7 +103,7 @@ namespace CryptoExchange.Net.UnitTests
                 rstEvent.Set();
             });
             sub.AddSubscription(subObj);
-            var msgToSend = JsonConvert.SerializeObject(new { topic = "topic", action = "update", property = 123 });
+            var msgToSend = JsonSerializer.Serialize(new { topic = "topic", action = "update", property = "123" });
 
             // act
             socket.InvokeMessage(msgToSend);
@@ -198,7 +198,7 @@ namespace CryptoExchange.Net.UnitTests
 
             // act
             var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => {}, ct: default);
-            socket.InvokeMessage(JsonConvert.SerializeObject(new { channel, action = "subscribe", status = "error" }));
+            socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "error" }));
             await sub;
 
             // assert
@@ -221,7 +221,7 @@ namespace CryptoExchange.Net.UnitTests
 
             // act
             var sub = client.SubClient.SubscribeToSomethingAsync(channel, onUpdate => {}, ct: default);
-            socket.InvokeMessage(JsonConvert.SerializeObject(new { channel, action = "subscribe", status = "confirmed" }));
+            socket.InvokeMessage(JsonSerializer.Serialize(new { channel, action = "subscribe", status = "confirmed" }));
             await sub;
 
             // assert

CryptoExchange.Net.UnitTests/SystemTextJsonConverterTests.cs

@@ -7,6 +7,7 @@ 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
 {
@@ -146,7 +147,7 @@ namespace CryptoExchange.Net.UnitTests
         public void TestEnumConverterNullableDeserializeTests(string value, TestEnum? expected)
         {
             var val = value == null ? "null" : $"\"{value}\"";
-            var output = JsonSerializer.Deserialize<STJEnumObject>($"{{ \"Value\": {val} }}");
+            var output = JsonSerializer.Deserialize<STJEnumObject>($"{{ \"Value\": {val} }}", SerializerOptions.WithConverters(new SerializationContext()));
             Assert.That(output.Value == expected);
         }
 
@@ -171,8 +172,8 @@ namespace CryptoExchange.Net.UnitTests
         [TestCase("three", TestEnum.Three)]
         [TestCase("Four", TestEnum.Four)]
         [TestCase("four", TestEnum.Four)]
-        [TestCase("Four1", TestEnum.One)]
+        [TestCase("Four1", null)]
-        [TestCase(null, TestEnum.One)]
+        [TestCase(null, null)]
         public void TestEnumConverterParseStringTests(string value, TestEnum? expected)
         {
             var result = EnumConverter.ParseString<TestEnum>(value);
@@ -194,7 +195,7 @@ namespace CryptoExchange.Net.UnitTests
         public void TestBoolConverter(string value, bool? expected)
         {
             var val = value == null ? "null" : $"\"{value}\"";
-            var output = JsonSerializer.Deserialize<STJBoolObject>($"{{ \"Value\": {val} }}");
+            var output = JsonSerializer.Deserialize<STJBoolObject>($"{{ \"Value\": {val} }}", SerializerOptions.WithConverters(new SerializationContext()));
             Assert.That(output.Value == expected);
         }
 
@@ -213,7 +214,7 @@ namespace CryptoExchange.Net.UnitTests
         public void TestBoolConverterNotNullable(string value, bool expected)
         {
             var val = value == null ? "null" : $"\"{value}\"";
-            var output = JsonSerializer.Deserialize<NotNullableSTJBoolObject>($"{{ \"Value\": {val} }}");
+            var output = JsonSerializer.Deserialize<NotNullableSTJBoolObject>($"{{ \"Value\": {val} }}", SerializerOptions.WithConverters(new SerializationContext()));
             Assert.That(output.Value == expected);
         }
 
@@ -223,13 +224,17 @@ namespace CryptoExchange.Net.UnitTests
         [TestCase(null, null)]
         [TestCase("", null)]
         [TestCase("null", null)]
+        [TestCase("nan", null)]
         [TestCase("1E+2", 100)]
         [TestCase("1E-2", 0.01)]
-        [TestCase("80228162514264337593543950335", -999)] // -999 is workaround for not being able to specify decimal.MaxValue
+        [TestCase("Infinity", 999)] // 999 is workaround for not being able to specify decimal.MinValue
+        [TestCase("-Infinity", -999)] // -999 is workaround for not being able to specify decimal.MaxValue
+        [TestCase("80228162514264337593543950335", 999)] // 999 is workaround for not being able to specify decimal.MaxValue
+        [TestCase("-80228162514264337593543950335", -999)] // -999 is workaround for not being able to specify decimal.MaxValue
         public void TestDecimalConverterString(string value, decimal? expected)
         {
             var result = JsonSerializer.Deserialize<STJDecimalObject>("{ \"test\": \""+ value + "\"}");
-            Assert.That(result.Test, Is.EqualTo(expected == -999 ? decimal.MaxValue : expected));
+            Assert.That(result.Test, Is.EqualTo(expected == -999 ? decimal.MinValue : expected == 999 ? decimal.MaxValue: expected));
         }
 
         [TestCase("1", 1)]
@@ -265,9 +270,22 @@ namespace CryptoExchange.Net.UnitTests
                     Prop31 = 4,
                     Prop32 = "789"
                 },
-                Prop7 = TestEnum.Two
+                Prop7 = TestEnum.Two,
+                TestInternal = new Test
+                {
+                    Prop1 = 10
+                },
+                Prop8 = new Test3
+                {
+                    Prop31 = 5,
+                    Prop32 = "101"
+                },
             };
 
+            var options = new JsonSerializerOptions()
+            {
+                TypeInfoResolver = new SerializationContext()
+            };
             var serialized = JsonSerializer.Serialize(data);
             var deserialized = JsonSerializer.Deserialize<Test>(serialized);
 
@@ -281,6 +299,43 @@ namespace CryptoExchange.Net.UnitTests
             Assert.That(deserialized.Prop6.Prop31, Is.EqualTo(4));
             Assert.That(deserialized.Prop6.Prop32, Is.EqualTo("789"));
             Assert.That(deserialized.Prop7, Is.EqualTo(TestEnum.Two));
+            Assert.That(deserialized.TestInternal.Prop1, Is.EqualTo(10));
+            Assert.That(deserialized.Prop8.Prop31, Is.EqualTo(5));
+            Assert.That(deserialized.Prop8.Prop32, Is.EqualTo("101"));
+        }
+
+        [TestCase(TradingMode.Spot, "ETH", "USDT", null)]
+        [TestCase(TradingMode.PerpetualLinear, "ETH", "USDT", null)]
+        [TestCase(TradingMode.DeliveryLinear, "ETH", "USDT", 1748432430)]
+        public void TestSharedSymbolConversion(TradingMode tradingMode, string baseAsset, string quoteAsset, int? deliverTime)
+        {
+            DateTime? time = deliverTime == null ? null : DateTimeConverter.ParseFromDouble(deliverTime.Value);
+            var symbol = new SharedSymbol(tradingMode, baseAsset, quoteAsset, time);
+
+            var serialized = JsonSerializer.Serialize(symbol);
+            var restored = JsonSerializer.Deserialize<SharedSymbol>(serialized);
+
+            Assert.That(restored.TradingMode, Is.EqualTo(symbol.TradingMode));
+            Assert.That(restored.BaseAsset, Is.EqualTo(symbol.BaseAsset));
+            Assert.That(restored.QuoteAsset, Is.EqualTo(symbol.QuoteAsset));
+            Assert.That(restored.DeliverTime, Is.EqualTo(symbol.DeliverTime));
+        }
+
+        [TestCase(0.1, null, null)]
+        [TestCase(0.1, 0.1, null)]
+        [TestCase(0.1, 0.1, 0.1)]
+        [TestCase(null, 0.1, null)]
+        [TestCase(null, 0.1, 0.1)]
+        public void TestSharedQuantityConversion(double? baseQuantity, double? quoteQuantity, double? contractQuantity)
+        {
+            var symbol = new SharedOrderQuantity((decimal?)baseQuantity, (decimal?)quoteQuantity, (decimal?)contractQuantity);
+
+            var serialized = JsonSerializer.Serialize(symbol);
+            var restored = JsonSerializer.Deserialize<SharedOrderQuantity>(serialized);
+
+            Assert.That(restored.QuantityInBaseAsset, Is.EqualTo(symbol.QuantityInBaseAsset));
+            Assert.That(restored.QuantityInQuoteAsset, Is.EqualTo(symbol.QuantityInQuoteAsset));
+            Assert.That(restored.QuantityInContracts, Is.EqualTo(symbol.QuantityInContracts));
         }
     }
 
@@ -300,29 +355,25 @@ namespace CryptoExchange.Net.UnitTests
 
     public class STJEnumObject
     {
-        [JsonConverter(typeof(EnumConverter))]
         public TestEnum? Value { get; set; }
     }
 
     public class NotNullableSTJEnumObject
     {
-        [JsonConverter(typeof(EnumConverter))]
         public TestEnum Value { get; set; }
     }
 
     public class STJBoolObject
     {
-        [JsonConverter(typeof(BoolConverter))]
         public bool? Value { get; set; }
     }
 
     public class NotNullableSTJBoolObject
     {
-        [JsonConverter(typeof(BoolConverter))]
         public bool Value { get; set; }
     }
 
-    [JsonConverter(typeof(ArrayConverter))]
+    [JsonConverter(typeof(ArrayConverter<Test>))]
     record Test
     {
         [ArrayProperty(0)]
@@ -339,11 +390,15 @@ namespace CryptoExchange.Net.UnitTests
         public Test2 Prop5 { get; set; }
         [ArrayProperty(5)]
         public Test3 Prop6 { get; set; }
-        [ArrayProperty(6), JsonConverter(typeof(EnumConverter))]
+        [ArrayProperty(6), JsonConverter(typeof(EnumConverter<TestEnum>))]
         public TestEnum? Prop7 { get; set; }
+        [ArrayProperty(7)]
+        public Test TestInternal { get; set; }
+        [ArrayProperty(8), JsonConversion]
+        public Test3 Prop8 { get; set; }
     }
 
-    [JsonConverter(typeof(ArrayConverter))]
+    [JsonConverter(typeof(ArrayConverter<Test2>))]
     record Test2
     {
         [ArrayProperty(0)]
@@ -359,4 +414,29 @@ namespace CryptoExchange.Net.UnitTests
         [JsonPropertyName("prop32")]
         public string Prop32 { get; set; }
     }
+
+    [JsonConverter(typeof(EnumConverter<TestEnum>))]
+    public enum TestEnum
+    {
+        [Map("1")]
+        One,
+        [Map("2")]
+        Two,
+        [Map("three", "3")]
+        Three,
+        Four
+    }
+
+    [JsonSerializable(typeof(Test))]
+    [JsonSerializable(typeof(Test2))]
+    [JsonSerializable(typeof(Test3))]
+    [JsonSerializable(typeof(NotNullableSTJBoolObject))]
+    [JsonSerializable(typeof(STJBoolObject))]
+    [JsonSerializable(typeof(NotNullableSTJEnumObject))]
+    [JsonSerializable(typeof(STJEnumObject))]
+    [JsonSerializable(typeof(STJDecimalObject))]
+    [JsonSerializable(typeof(STJTimeObject))]
+    internal partial class SerializationContext : JsonSerializerContext
+    {
+    }
 }

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

@@ -1,52 +1,50 @@
 using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Errors;
 using CryptoExchange.Net.Objects.Sockets;
 using CryptoExchange.Net.Sockets;
-using Newtonsoft.Json;
 using System;
 using System.Collections.Generic;
-using System.Threading.Tasks;
+using System.Text.Json.Serialization;
 
 namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
 {
     internal class SubResponse
     {
 
-        [JsonProperty("action")]
+        [JsonPropertyName("action")]
         public string Action { get; set; } = null!;
 
-        [JsonProperty("channel")]
+        [JsonPropertyName("channel")]
         public string Channel { get; set; } = null!;
 
-        [JsonProperty("status")]
+        [JsonPropertyName("status")]
         public string Status { get; set; } = null!;
     }
 
     internal class UnsubResponse
     {
-        [JsonProperty("action")]
+        [JsonPropertyName("action")]
         public string Action { get; set; } = null!;
 
-        [JsonProperty("status")]
+        [JsonPropertyName("status")]
         public string Status { get; set; } = null!;
     }
 
     internal class TestChannelQuery : Query<SubResponse>
     {
-        public override HashSet<string> ListenerIdentifiers { get; set; }
-
         public TestChannelQuery(string channel, string request, bool authenticated, int weight = 1) : base(request, authenticated, weight)
         {
-            ListenerIdentifiers = new HashSet<string> { request + "-" + channel };
+            MessageMatcher = MessageMatcher.Create<SubResponse>(request + "-" + channel, HandleMessage);
         }
 
-        public override CallResult<SubResponse> HandleMessage(SocketConnection connection, DataEvent<SubResponse> message)
+        public CallResult<SubResponse> HandleMessage(SocketConnection connection, DataEvent<SubResponse> message)
         {
             if (!message.Data.Status.Equals("confirmed", StringComparison.OrdinalIgnoreCase))
             {
-                return new CallResult<SubResponse>(new ServerError(message.Data.Status));
+                return new CallResult<SubResponse>(new ServerError(ErrorInfo.Unknown with { Message = message.Data.Status }));
             }
 
-            return base.HandleMessage(connection, message);
+            return message.ToCallResult();
         }
     }
 }

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

@@ -9,11 +9,9 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
 {
     internal class TestQuery : Query<object>
     {
-        public override HashSet<string> ListenerIdentifiers { get; set; }
-
         public TestQuery(string identifier, object request, bool authenticated, int weight = 1) : base(request, authenticated, weight)
         {
-            ListenerIdentifiers = new HashSet<string> { identifier };
+            MessageMatcher = MessageMatcher.Create<object>(identifier);
         }
     }
 }

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

@@ -15,22 +15,20 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
     {
         private readonly Action<DataEvent<T>> _handler;
 
-        public override HashSet<string> ListenerIdentifiers { get; set; } = new HashSet<string> { "update-topic" };
-
         public TestSubscription(ILogger logger, Action<DataEvent<T>> handler) : base(logger, false)
         {
             _handler = handler;
+
+            MessageMatcher = MessageMatcher.Create<T>("update-topic", DoHandleMessage);
         }
 
-        public override CallResult DoHandleMessage(SocketConnection connection, DataEvent<object> message)
+        public CallResult DoHandleMessage(SocketConnection connection, DataEvent<T> message)
         {
-            var data = (T)message.Data;
+            _handler.Invoke(message);
-            _handler.Invoke(message.As(data));
             return new CallResult(null);
         }
 
-        public override Type GetMessageType(IMessageAccessor message) => typeof(T);
+        protected override Query GetSubQuery(SocketConnection connection) => new TestQuery("sub", new object(), false, 1);
-        public 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);
-        public override Query GetUnsubQuery() => new TestQuery("unsub", new object(), false, 1);
     }
 }

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

@@ -15,24 +15,20 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations.Sockets
         private readonly Action<DataEvent<T>> _handler;
         private readonly string _channel;
 
-        public override HashSet<string> ListenerIdentifiers { get; set; }
-
         public TestSubscriptionWithResponseCheck(string channel, Action<DataEvent<T>> handler) : base(Mock.Of<ILogger>(), false)
         {
-            ListenerIdentifiers = new HashSet<string>() { channel };
+            MessageMatcher = MessageMatcher.Create<T>(channel, DoHandleMessage);
             _handler = handler;
             _channel = channel;
         }
 
-        public override CallResult DoHandleMessage(SocketConnection connection, DataEvent<object> message)
+        public CallResult DoHandleMessage(SocketConnection connection, DataEvent<T> message)
         {
-            var data = (T)message.Data;
+            _handler.Invoke(message);
-            _handler.Invoke(message.As(data));
             return new CallResult(null);
         }
 
-        public override Type GetMessageType(IMessageAccessor message) => typeof(T);
+        protected override Query GetSubQuery(SocketConnection connection) => new TestChannelQuery(_channel, "subscribe", false, 1);
-        public override Query GetSubQuery(SocketConnection connection) => new TestChannelQuery(_channel, "subscribe", false, 1);
+        protected override Query GetUnsubQuery(SocketConnection connection) => new TestChannelQuery(_channel, "unsubscribe", false, 1);
-        public override Query GetUnsubQuery() => new TestChannelQuery(_channel, "unsubscribe", false, 1);
     }
 }

CryptoExchange.Net.UnitTests/TestImplementations/TestBaseClient.cs

@@ -3,14 +3,19 @@ using System.Collections.Generic;
 using System.IO;
 using System.Net.Http;
 using System.Text;
+using System.Text.Json.Serialization;
 using System.Threading.Tasks;
 using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Clients;
+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;
 
 namespace CryptoExchange.Net.UnitTests
 {
@@ -21,12 +26,14 @@ namespace CryptoExchange.Net.UnitTests
         public TestBaseClient(): base(null, "Test")
         {
             var options = new TestClientOptions();
+            _logger = NullLogger.Instance;
             Initialize(options);
             SubClient = AddApiClient(new TestSubClient(options, new RestApiOptions()));
         }
 
         public TestBaseClient(TestClientOptions exchangeOptions) : base(null, "Test")
         {
+            _logger = NullLogger.Instance;
             Initialize(exchangeOptions);
             SubClient = AddApiClient(new TestSubClient(exchangeOptions, new RestApiOptions()));
         }
@@ -49,7 +56,7 @@ namespace CryptoExchange.Net.UnitTests
             var accessor = CreateAccessor();
             var valid = accessor.Read(stream, true).Result;
             if (!valid)
-                return new CallResult<T>(new ServerError(data));
+                return new CallResult<T>(new ServerError(ErrorInfo.Unknown with { Message = data }));
             
             var deserializeResult = accessor.Deserialize<T>();
             return deserializeResult;
@@ -59,6 +66,8 @@ namespace CryptoExchange.Net.UnitTests
         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();
     }
@@ -69,7 +78,7 @@ namespace CryptoExchange.Net.UnitTests
         {
         }
 
-        public override void AuthenticateRequest(RestApiClient apiClient, Uri uri, HttpMethod method, ref IDictionary<string, object> uriParams, ref IDictionary<string, object> bodyParams, ref Dictionary<string, string> headers, bool auth, ArrayParametersSerialization arraySerialization, HttpMethodParameterPosition parameterPosition, RequestBodyFormat bodyFormat)
+        public override void ProcessRequest(RestApiClient apiClient, RestRequestConfiguration requestConfig)
         {
         }
         

CryptoExchange.Net.UnitTests/TestImplementations/TestObjects.cs

@@ -1,12 +1,14 @@
-using Newtonsoft.Json;
+using System.Text.Json.Serialization;
 
 namespace CryptoExchange.Net.UnitTests.TestImplementations
 {
     public class TestObject
     {
-        [JsonProperty("other")]
+        [JsonPropertyName("other")]
         public string StringData { get; set; }
+        [JsonPropertyName("intData")]
         public int IntData { get; set; }
+        [JsonPropertyName("decimalData")]
         public decimal DecimalData { get; set; }
     }
 }

CryptoExchange.Net.UnitTests/TestImplementations/TestRestClient.cs

@@ -1,7 +1,6 @@
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Objects;
 using Moq;
-using Newtonsoft.Json.Linq;
 using System;
 using System.IO;
 using System.Net;
@@ -12,11 +11,14 @@ using System.Threading;
 using System.Threading.Tasks;
 using CryptoExchange.Net.Authentication;
 using System.Collections.Generic;
-using CryptoExchange.Net.Objects.Options;
 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;
 
 namespace CryptoExchange.Net.UnitTests.TestImplementations
 {
@@ -49,13 +51,13 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
             response.Setup(c => c.IsSuccessStatusCode).Returns(true);
             response.Setup(c => c.GetResponseStreamAsync()).Returns(Task.FromResult((Stream)responseStream));
             
-            var headers = new Dictionary<string, IEnumerable<string>>();
+            var headers = new Dictionary<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.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 List<string> { val }));
+            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);
+            request.Setup(c => c.GetHeaders()).Returns(() => headers.ToArray());
 
             var factory = Mock.Get(Api1.RequestFactory);
             factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
@@ -84,7 +86,7 @@ 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 Dictionary<string, IEnumerable<string>>());
+            request.Setup(c => c.GetHeaders()).Returns(new KeyValuePair<string, string[]>[0]);
             request.Setup(c => c.GetResponseAsync(It.IsAny<CancellationToken>())).Throws(we);
 
             var factory = Mock.Get(Api1.RequestFactory);
@@ -108,12 +110,12 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
             response.Setup(c => c.IsSuccessStatusCode).Returns(false);
             response.Setup(c => c.GetResponseStreamAsync()).Returns(Task.FromResult((Stream)responseStream));
 
-            var headers = new Dictionary<string, IEnumerable<string>>();
+            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(key, new List<string> { val }));
+            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);
+            request.Setup(c => c.GetHeaders()).Returns(headers.ToArray());
 
             var factory = Mock.Get(Api1.RequestFactory);
             factory.Setup(c => c.Create(It.IsAny<HttpMethod>(), It.IsAny<Uri>(), It.IsAny<int>()))
@@ -137,14 +139,17 @@ 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
         {
-            return await SendRequestAsync<T>(new Uri("http://www.test.com"), HttpMethod.Get, ct, requestWeight: 0);
+            return await SendAsync<T>("http://www.test.com", new RequestDefinition("/", HttpMethod.Get) { Weight = 0 }, null, ct);
         }
 
-        public async Task<CallResult<T>> RequestWithParams<T>(HttpMethod method, Dictionary<string, object> parameters, Dictionary<string, string> headers) where T : class
+        public async Task<CallResult<T>> RequestWithParams<T>(HttpMethod method, ParameterCollection parameters, Dictionary<string, string> headers) where T : class
         {
-            return await SendRequestAsync<T>(new Uri("http://www.test.com"), method, default, parameters, requestWeight: 0, additionalHeaders: headers);
+            return await SendAsync<T>("http://www.test.com", new RequestDefinition("/", method) { Weight = 0 }, parameters, default, additionalHeaders: headers);
         }
 
         public void SetParameterPosition(HttpMethod method, HttpMethodParameterPosition position)
@@ -178,19 +183,22 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
             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 />
         public override string FormatSymbol(string baseAsset, string quoteAsset, TradingMode futuresType, DateTime? deliverDate = null) => $"{baseAsset.ToUpperInvariant()}{quoteAsset.ToUpperInvariant()}";
 
         public async Task<CallResult<T>> Request<T>(CancellationToken ct = default) where T : class
         {
-            return await SendRequestAsync<T>(new Uri("http://www.test.com"), HttpMethod.Get, ct, requestWeight: 0);
+            return await SendAsync<T>("http://www.test.com", new RequestDefinition("/", HttpMethod.Get) { Weight = 0 }, null, ct);
         }
 
-        protected override Error ParseErrorResponse(int httpStatusCode, IEnumerable<KeyValuePair<string, IEnumerable<string>>> responseHeaders, IMessageAccessor accessor)
+        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, errorData.Data.ErrorMessage);
+            return new ServerError(errorData.Data.ErrorCode, GetErrorInfo(errorData.Data.ErrorCode, errorData.Data.ErrorMessage));
         }
 
         public override TimeSpan? GetTimeOffset()
@@ -214,7 +222,9 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
 
     public class TestError
     {
+        [JsonPropertyName("errorCode")]
         public int ErrorCode { get; set; }
+        [JsonPropertyName("errorMessage")]
         public string ErrorMessage { get; set; }
     }
 

CryptoExchange.Net.UnitTests/TestImplementations/TestSocket.cs

@@ -1,132 +0,0 @@
-//using System;
-//using System.IO;
-//using System.Net.WebSockets;
-//using System.Security.Authentication;
-//using System.Text;
-//using System.Threading.Tasks;
-//using CryptoExchange.Net.Interfaces;
-//using CryptoExchange.Net.Objects;
-
-//namespace CryptoExchange.Net.UnitTests.TestImplementations
-//{
-//    public class TestSocket: IWebsocket
-//    {
-//        public bool CanConnect { get; set; }
-//        public bool Connected { get; set; }
-
-//        public event Func<Task> OnClose;
-//#pragma warning disable 0067
-//        public event Func<Task> OnReconnected;
-//        public event Func<Task> OnReconnecting;
-//        public event Func<int, Task> OnRequestRateLimited;
-//#pragma warning restore 0067
-//        public event Func<int, Task> OnRequestSent;
-//        public event Func<WebSocketMessageType, ReadOnlyMemory<byte>, Task> OnStreamMessage;
-//        public event Func<Exception, Task> OnError;
-//        public event Func<Task> OnOpen;
-//        public Func<Task<Uri>> GetReconnectionUrl { get; set; }
-
-//        public int Id { get; }
-//        public bool ShouldReconnect { get; set; }
-//        public TimeSpan Timeout { get; set; }
-//        public Func<string, string> DataInterpreterString { get; set; }
-//        public Func<byte[], string> DataInterpreterBytes { get; set; }
-//        public DateTime? DisconnectTime { get; set; }
-//        public string Url { get; }
-//        public bool IsClosed => !Connected;
-//        public bool IsOpen => Connected;
-//        public bool PingConnection { get; set; }
-//        public TimeSpan PingInterval { get; set; }
-//        public SslProtocols SSLProtocols { get; set; }
-//        public Encoding Encoding { get; set; }
-
-//        public int ConnectCalls { get; private set; }
-//        public bool Reconnecting { get; set; }
-//        public string Origin { get; set; }
-//        public int? RatelimitPerSecond { get; set; }
-
-//        public double IncomingKbps => throw new NotImplementedException();
-
-//        public Uri Uri => new Uri("");
-
-//        public TimeSpan KeepAliveInterval { get; set; }
-
-//        public static int lastId = 0;
-//        public static object lastIdLock = new object();
-
-//        public TestSocket()
-//        {
-//            lock (lastIdLock)
-//            {
-//                Id = lastId + 1;
-//                lastId++;
-//            }
-//        }
-
-//        public Task<CallResult> ConnectAsync()
-//        {
-//            Connected = CanConnect;
-//            ConnectCalls++;
-//            if (CanConnect)
-//                InvokeOpen();
-//            return Task.FromResult(CanConnect ? new CallResult(null) : new CallResult(new CantConnectError()));
-//        }
-
-//        public bool Send(int requestId, string data, int weight)
-//        {
-//            if(!Connected)
-//                throw new Exception("Socket not connected");
-//            OnRequestSent?.Invoke(requestId);
-//            return true;
-//        }
-
-//        public void Reset()
-//        {
-//        }
-
-//        public Task CloseAsync()
-//        {
-//            Connected = false;
-//            DisconnectTime = DateTime.UtcNow;
-//            OnClose?.Invoke();
-//            return Task.FromResult(0);
-//        }
-
-//        public void SetProxy(string host, int port)
-//        {
-//            throw new NotImplementedException();
-//        }
-//        public void Dispose()
-//        {
-//        }
-
-//        public void InvokeClose()
-//        {
-//            Connected = false;
-//            DisconnectTime = DateTime.UtcNow;
-//            Reconnecting = true;
-//            OnClose?.Invoke();
-//        }
-
-//        public void InvokeOpen()
-//        {
-//            OnOpen?.Invoke();
-//        }
-
-//        public void InvokeMessage(string data)
-//        {
-//            OnStreamMessage?.Invoke(WebSocketMessageType.Text, new ReadOnlyMemory<byte>(Encoding.UTF8.GetBytes(data))).Wait();
-//        }
-
-//        public void SetProxy(ApiProxy proxy)
-//        {
-//            throw new NotImplementedException();
-//        }
-
-//        public void InvokeError(Exception error)
-//        {
-//            OnError?.Invoke(error);
-//        }
-//        public Task ReconnectAsync() => Task.CompletedTask;
-//    }
-//}

CryptoExchange.Net.UnitTests/TestImplementations/TestSocketClient.cs

@@ -16,6 +16,8 @@ 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
 {
@@ -97,6 +99,9 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
 
         }
 
+        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()}";
 
@@ -110,12 +115,12 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
 
         public CallResult ConnectSocketSub(SocketConnection sub)
         {
-            return ConnectSocketAsync(sub).Result;
+            return ConnectSocketAsync(sub, default).Result;
         }
 
         public override string GetListenerIdentifier(IMessageAccessor message)
         {
-            if (!message.IsJson)
+            if (!message.IsValid)
             {
                 return "topic";
             }

CryptoExchange.Net.UnitTests/TestSerializerContext.cs

@@ -0,0 +1,21 @@
+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
+{
+    [JsonSerializable(typeof(string))]
+    [JsonSerializable(typeof(int))]
+    [JsonSerializable(typeof(Dictionary<string, string>))]
+    [JsonSerializable(typeof(IDictionary<string, string>))]
+    [JsonSerializable(typeof(Dictionary<string, object>))]
+    [JsonSerializable(typeof(IDictionary<string, object>))]
+    [JsonSerializable(typeof(TestObject))]
+    internal partial class TestSerializerContext : JsonSerializerContext
+    {
+    }
+}

CryptoExchange.Net.sln

@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "ConsoleClient", "Examples\C
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SharedClients", "Examples\SharedClients\SharedClients.csproj", "{988A87EF-EAEA-4313-A6CF-FA869813D5AB}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "CryptoExchange.Net.Protobuf", "CryptoExchange.Net.Protobuf\CryptoExchange.Net.Protobuf.csproj", "{CC6A807A-9183-6F41-8EF1-8A70172B0E83}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -41,6 +43,10 @@ Global
 		{988A87EF-EAEA-4313-A6CF-FA869813D5AB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{988A87EF-EAEA-4313-A6CF-FA869813D5AB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{988A87EF-EAEA-4313-A6CF-FA869813D5AB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{CC6A807A-9183-6F41-8EF1-8A70172B0E83}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{CC6A807A-9183-6F41-8EF1-8A70172B0E83}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{CC6A807A-9183-6F41-8EF1-8A70172B0E83}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{CC6A807A-9183-6F41-8EF1-8A70172B0E83}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

CryptoExchange.Net/.editorconfig

@@ -0,0 +1,183 @@
+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

@@ -1,6 +1,5 @@
-[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 { }
-}

CryptoExchange.Net/Attributes/JsonConversionAttribute.cs

@@ -1,7 +1,7 @@
-using System;
+using System;
+
+namespace CryptoExchange.Net.Attributes;
 
-namespace CryptoExchange.Net.Attributes
-{
 /// <summary>
 /// Used for conversion in ArrayConverter
 /// </summary>
@@ -9,4 +9,3 @@ namespace CryptoExchange.Net.Attributes
 public class JsonConversionAttribute: Attribute
 {
 }
-}

CryptoExchange.Net/Attributes/MapAttribute.cs

@@ -1,10 +1,11 @@
-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>
@@ -21,4 +22,3 @@ namespace CryptoExchange.Net.Attributes
         Values = maps;
     }
 }
-}

CryptoExchange.Net/Authentication/ApiCredentials.cs

@@ -1,10 +1,7 @@
-using System;
+using System;
-using System.IO;
+
-using CryptoExchange.Net.Converters.SystemTextJson;
+namespace CryptoExchange.Net.Authentication;
-using CryptoExchange.Net.Converters.MessageParsing;
 
-namespace CryptoExchange.Net.Authentication
-{
 /// <summary>
 /// Api credentials, used to sign requests accessing private endpoints
 /// </summary>
@@ -20,6 +17,11 @@ namespace CryptoExchange.Net.Authentication
     /// </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>
@@ -30,8 +32,9 @@ namespace CryptoExchange.Net.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, ApiCredentialsType credentialType = ApiCredentialsType.Hmac)
+    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");
@@ -39,6 +42,7 @@ namespace CryptoExchange.Net.Authentication
         CredentialType = credentialType;
         Key = key;
         Secret = secret;
+        Pass = pass;
     }
 
     /// <summary>
@@ -47,28 +51,6 @@ namespace CryptoExchange.Net.Authentication
     /// <returns></returns>
     public virtual ApiCredentials Copy()
     {
-            return new ApiCredentials(Key, Secret, CredentialType);
+        return new ApiCredentials(Key, Secret, Pass, CredentialType);
-        }
-
-        /// <summary>
-        /// Create Api credentials providing a stream containing json data. The json data should include two values: apiKey and apiSecret
-        /// </summary>
-        /// <param name="inputStream">The stream containing the json data</param>
-        /// <param name="identifierKey">A key to identify the credentials for the API. For example, when set to `binanceKey` the json data should contain a value for the property `binanceKey`. Defaults to 'apiKey'.</param>
-        /// <param name="identifierSecret">A key to identify the credentials for the API. For example, when set to `binanceSecret` the json data should contain a value for the property `binanceSecret`. Defaults to 'apiSecret'.</param>
-        public static ApiCredentials FromStream(Stream inputStream, string? identifierKey = null, string? identifierSecret = null)
-        {
-            var accessor = new SystemTextJsonStreamMessageAccessor();
-            if (!accessor.Read(inputStream, false).Result)
-                throw new ArgumentException("Input stream not valid json data");
-
-            var key = accessor.GetValue<string>(MessagePath.Get().Property(identifierKey ?? "apiKey"));
-            var secret = accessor.GetValue<string>(MessagePath.Get().Property(identifierSecret ?? "apiSecret"));
-            if (key == null || secret == null)
-                throw new ArgumentException("apiKey or apiSecret value not found in Json credential file");
-            
-            inputStream.Seek(0, SeekOrigin.Begin);
-            return new ApiCredentials(key, secret);
-        }
     }
 }

CryptoExchange.Net/Authentication/ApiCredentialsType.cs

@@ -1,5 +1,5 @@
-namespace CryptoExchange.Net.Authentication
+namespace CryptoExchange.Net.Authentication;
-{
+
 /// <summary>
 /// Credentials type
 /// </summary>
@@ -18,4 +18,3 @@
     /// </summary>
     RsaPem
 }
-}

CryptoExchange.Net/Authentication/AuthenticationProvider.cs

@@ -1,16 +1,15 @@
-using CryptoExchange.Net.Clients;
+using CryptoExchange.Net.Clients;
 using CryptoExchange.Net.Converters.SystemTextJson;
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Objects;
 using System;
 using System.Collections.Generic;
 using System.Globalization;
-using System.Net.Http;
 using System.Security.Cryptography;
 using System.Text;
 
-namespace CryptoExchange.Net.Authentication
+namespace CryptoExchange.Net.Authentication;
-{
+
 /// <summary>
 /// Base class for authentication providers
 /// </summary>
@@ -32,6 +31,10 @@ namespace CryptoExchange.Net.Authentication
     /// Get the API key of the current credentials
     /// </summary>
     public string ApiKey => _credentials.Key!;
+    /// <summary>
+    /// Get the Passphrase of the current credentials
+    /// </summary>
+    public string? Pass => _credentials.Pass;
 
     /// <summary>
     /// ctor
@@ -47,30 +50,11 @@ namespace CryptoExchange.Net.Authentication
     }
 
     /// <summary>
-        /// Authenticate a request. Output parameters should include the providedParameters input
+    /// Authenticate a request
     /// </summary>
     /// <param name="apiClient">The Api client sending the request</param>
-        /// <param name="uri">The uri for the request</param>
+    /// <param name="requestConfig">The request configuration</param>
-        /// <param name="method">The method of the request</param>
+    public abstract void ProcessRequest(RestApiClient apiClient, RestRequestConfiguration requestConfig);
-        /// <param name="auth">If the requests should be authenticated</param>
-        /// <param name="arraySerialization">Array serialization type</param>
-        /// <param name="requestBodyFormat">The formatting of the request body</param>
-        /// <param name="uriParameters">Parameters that need to be in the Uri of the request. Should include the provided parameters if they should go in the uri</param>
-        /// <param name="bodyParameters">Parameters that need to be in the body of the request. Should include the provided parameters if they should go in the body</param>
-        /// <param name="headers">The headers that should be send with the request</param>
-        /// <param name="parameterPosition">The position where the providedParameters should go</param>
-        public abstract void AuthenticateRequest(
-            RestApiClient apiClient,
-            Uri uri,
-            HttpMethod method,
-            ref IDictionary<string, object>? uriParameters,
-            ref IDictionary<string, object>? bodyParameters,
-            ref Dictionary<string, string>? headers,
-            bool auth,
-            ArrayParametersSerialization arraySerialization,
-            HttpMethodParameterPosition parameterPosition,
-            RequestBodyFormat requestBodyFormat
-            );
 
     /// <summary>
     /// SHA256 sign the data and return the bytes
@@ -224,7 +208,9 @@ namespace CryptoExchange.Net.Authentication
     /// <returns></returns>
     protected static string SignMD5(string data, SignOutputType? outputType = null)
     {
+#pragma warning disable CA5351
         using var encryptor = MD5.Create();
+#pragma warning restore CA5351
         var resultBytes = encryptor.ComputeHash(Encoding.UTF8.GetBytes(data));
         return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
     }
@@ -237,7 +223,9 @@ namespace CryptoExchange.Net.Authentication
     /// <returns></returns>
     protected static string SignMD5(byte[] data, SignOutputType? outputType = null)
     {
+#pragma warning disable CA5351
         using var encryptor = MD5.Create();
+#pragma warning restore CA5351
         var resultBytes = encryptor.ComputeHash(data);
         return outputType == SignOutputType.Base64 ? BytesToBase64String(resultBytes) : BytesToHexString(resultBytes);
     }
@@ -249,7 +237,9 @@ namespace CryptoExchange.Net.Authentication
     /// <returns></returns>
     protected static byte[] SignMD5Bytes(string data)
     {
+#pragma warning disable CA5351
         using var encryptor = MD5.Create();
+#pragma warning restore CA5351
         return encryptor.ComputeHash(Encoding.UTF8.GetBytes(data));
     }
 
@@ -403,10 +393,14 @@ namespace CryptoExchange.Net.Authentication
     /// <returns></returns>
     protected static string BytesToHexString(byte[] buff)
     {
+#if NET9_0_OR_GREATER
+        return Convert.ToHexString(buff);
+#else
         var result = string.Empty;
         foreach (var t in buff)
             result += t.ToString("X2");
         return result;
+#endif
     }
 
     /// <summary>
@@ -439,18 +433,31 @@ namespace CryptoExchange.Net.Authentication
         return DateTimeConverter.ConvertToMilliseconds(GetTimestamp(apiClient)).Value.ToString(CultureInfo.InvariantCulture);
     }
 
+    /// <summary>
+    /// Get millisecond timestamp as a long including the time sync offset from the api client
+    /// </summary>
+    /// <param name="apiClient"></param>
+    /// <returns></returns>
+    protected long GetMillisecondTimestampLong(RestApiClient apiClient)
+    {
+        return DateTimeConverter.ConvertToMilliseconds(GetTimestamp(apiClient)).Value;
+    }
+
     /// <summary>
     /// Return the serialized request body
     /// </summary>
     /// <param name="serializer"></param>
     /// <param name="parameters"></param>
     /// <returns></returns>
-        protected string GetSerializedBody(IMessageSerializer serializer, IDictionary<string, object> parameters)
+    protected static string GetSerializedBody(IMessageSerializer serializer, IDictionary<string, object> parameters)
     {
-            if (parameters.Count == 1 && parameters.ContainsKey(Constants.BodyPlaceHolderKey))
+        if (serializer is not IStringMessageSerializer stringSerializer)
-                return serializer.Serialize(parameters[Constants.BodyPlaceHolderKey]);
+            throw new InvalidOperationException("Non-string message serializer can't get serialized request body");
+
+        if (parameters.Count == 1 && parameters.TryGetValue(Constants.BodyPlaceHolderKey, out object? value))
+            return stringSerializer.Serialize(value);
         else
-                return serializer.Serialize(parameters);
+            return stringSerializer.Serialize(parameters);
     }
 }
 
@@ -458,7 +465,11 @@ namespace CryptoExchange.Net.Authentication
 public abstract class AuthenticationProvider<TApiCredentials> : AuthenticationProvider where TApiCredentials : ApiCredentials
 {
     /// <inheritdoc />
+#pragma warning disable IDE1006 // Naming Styles
+#pragma warning disable CA1707 // Naming Styles
     protected new TApiCredentials _credentials => (TApiCredentials)base._credentials;
+#pragma warning restore IDE1006 // Naming Styles
+#pragma warning restore CA1707 // Naming Styles
 
     /// <summary>
     /// ctor
@@ -468,4 +479,3 @@ namespace CryptoExchange.Net.Authentication
     {
     }
 }
-}

CryptoExchange.Net/Authentication/SignOutputType.cs

@@ -1,5 +1,5 @@
-namespace CryptoExchange.Net.Authentication
+namespace CryptoExchange.Net.Authentication;
-{
+
 /// <summary>
 /// Output string type
 /// </summary>
@@ -14,4 +14,3 @@
     /// </summary>
     Base64
 }
-}

CryptoExchange.Net/Caching/MemoryCache.cs

@@ -1,11 +1,13 @@
-using System;
+using System;
 using System.Collections.Concurrent;
+using System.Linq;
+
+namespace CryptoExchange.Net.Caching;
 
-namespace CryptoExchange.Net.Caching
-{
 internal class MemoryCache
 {
     private readonly ConcurrentDictionary<string, CacheItem> _cache = new ConcurrentDictionary<string, CacheItem>();
+    private readonly object _lock = new object();
 
     /// <summary>
     /// Add a new cache entry. Will override an existing entry if it already exists
@@ -26,16 +28,13 @@ namespace CryptoExchange.Net.Caching
     /// <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;
 
-            if (DateTime.UtcNow - value.CacheTime > maxAge)
-            {
-                _cache.TryRemove(key, out _);
-                return null;
-            }
-
         return value.Value;
     }
 
@@ -51,4 +50,3 @@ namespace CryptoExchange.Net.Caching
         }
     }
 }
-}

CryptoExchange.Net/Clients/BaseApiClient.cs

@@ -1,13 +1,13 @@
 using System;
 using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Objects;
+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>
@@ -38,10 +38,11 @@ namespace CryptoExchange.Net.Clients
     /// </summary>
     public bool OutputOriginalData { get; }
 
-        /// <summary>
+    /// <inheritdoc />
-        /// Whether or not API credentials have been configured for this client. Does not check the credentials are actually valid.
+    public bool Authenticated => ApiCredentials != null;
-        /// </summary>
+
-        public bool Authenticated => ApiOptions.ApiCredentials != null || ClientOptions.ApiCredentials != null;
+    /// <inheritdoc />
+    public ApiCredentials? ApiCredentials { get; set; }
 
     /// <summary>
     /// Api options
@@ -53,11 +54,16 @@ namespace CryptoExchange.Net.Clients
     /// </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 orginal data in the call result</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>
@@ -70,9 +76,10 @@ namespace CryptoExchange.Net.Clients
         ApiOptions = apiOptions;
         OutputOriginalData = outputOriginalData;
         BaseAddress = baseAddress;
+        ApiCredentials = apiCredentials?.Copy();
 
-            if (apiCredentials != null)
+        if (ApiCredentials != null)
-                AuthenticationProvider = CreateAuthenticationProvider(apiCredentials.Copy());
+            AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
     }
 
     /// <summary>
@@ -85,12 +92,22 @@ namespace CryptoExchange.Net.Clients
     /// <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
     {
-            ApiOptions.ApiCredentials = credentials;
+        ApiCredentials = credentials?.Copy();
-            if (credentials != null)
+        if (ApiCredentials != null)
-                AuthenticationProvider = CreateAuthenticationProvider(credentials.Copy());
+            AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
     }
 
     /// <inheritdoc />
@@ -99,17 +116,25 @@ namespace CryptoExchange.Net.Clients
         ClientOptions.Proxy = options.Proxy;
         ClientOptions.RequestTimeout = options.RequestTimeout ?? ClientOptions.RequestTimeout;
 
-            ApiOptions.ApiCredentials = options.ApiCredentials ?? ClientOptions.ApiCredentials;
+        ApiCredentials = options.ApiCredentials?.Copy() ?? ApiCredentials;
-            if (options.ApiCredentials != null)
+        if (ApiCredentials != null)
-                AuthenticationProvider = CreateAuthenticationProvider(options.ApiCredentials.Copy());
+            AuthenticationProvider = CreateAuthenticationProvider(ApiCredentials);
     }
 
     /// <summary>
     /// Dispose
     /// </summary>
-        public virtual void Dispose()
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    /// <summary>
+    /// Dispose
+    /// </summary>
+    public virtual void Dispose(bool disposing)
     {
         _disposing = true;
     }
 }
-}

CryptoExchange.Net/Clients/BaseClient.cs

@@ -1,12 +1,11 @@
-using CryptoExchange.Net.Authentication;
+using CryptoExchange.Net.Authentication;
 using CryptoExchange.Net.Objects.Options;
 using Microsoft.Extensions.Logging;
-using Microsoft.Extensions.Logging.Abstractions;
 using System;
 using System.Collections.Generic;
 
-namespace CryptoExchange.Net.Clients
+namespace CryptoExchange.Net.Clients;
-{
+
 /// <summary>
 /// The base for all clients, websocket client and rest client
 /// </summary>
@@ -49,7 +48,7 @@ namespace CryptoExchange.Net.Clients
     /// </summary>
     protected internal ILogger _logger;
 
-        private object _versionLock = new object();
+    private readonly object _versionLock = new object();
     private Version _exchangeVersion;
 
     /// <summary>
@@ -66,8 +65,6 @@ namespace CryptoExchange.Net.Clients
     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.
     {
-            _logger = logger?.CreateLogger(exchange) ?? NullLoggerFactory.Instance.CreateLogger(exchange);
-
         Exchange = exchange;
     }
 
@@ -82,7 +79,7 @@ namespace CryptoExchange.Net.Clients
             throw new ArgumentNullException(nameof(options));
 
         ClientOptions = options;
-            _logger.Log(LogLevel.Trace, $"Client configuration: {options}, CryptoExchange.Net: v{CryptoExchangeLibVersion}, {Exchange}.Net: v{ExchangeLibVersion}");
+        _logger.Log(LogLevel.Trace, "Client configuration: {Options}, CryptoExchange.Net: v{CryptoExchangeVersion}, {Exchange}.Net: v{ExchangeVersion}", options, CryptoExchangeLibVersion, Exchange, ExchangeLibVersion);
     }
 
     /// <summary>
@@ -104,7 +101,7 @@ namespace CryptoExchange.Net.Clients
         if (ClientOptions == null)
             throw new InvalidOperationException("Client should have called Initialize before adding API clients");
 
-            _logger.Log(LogLevel.Trace, $"  {apiClient.GetType().Name}, base address: {apiClient.BaseAddress}");
+        _logger.Log(LogLevel.Trace, "  {ApiClient}, base address: {BaseAddress}", apiClient.GetType().Name, apiClient.BaseAddress);
         ApiClients.Add(apiClient);
         return apiClient;
     }
@@ -122,11 +119,24 @@ namespace CryptoExchange.Net.Clients
     /// <summary>
     /// Dispose
     /// </summary>
-        public virtual void Dispose()
+    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");
             foreach (var client in ApiClients)
                 client.Dispose();
         }
     }
+
+
 }

CryptoExchange.Net/Clients/BaseRestClient.cs

@@ -1,9 +1,10 @@
 using System.Linq;
 using CryptoExchange.Net.Interfaces;
 using Microsoft.Extensions.Logging;
+using Microsoft.Extensions.Logging.Abstractions;
+
+namespace CryptoExchange.Net.Clients;
 
-namespace CryptoExchange.Net.Clients
-{
 /// <summary>
 /// Base rest client
 /// </summary>
@@ -19,6 +20,6 @@ namespace CryptoExchange.Net.Clients
     /// <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);
     }
 }

CryptoExchange.Net/Clients/BaseSocketClient.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Text;
@@ -7,9 +7,10 @@ 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>
@@ -33,10 +34,11 @@ namespace CryptoExchange.Net.Clients
     /// <summary>
     /// ctor
     /// </summary>
-        /// <param name="logger">Logger</param>
+    /// <param name="loggerFactory">Logger factory</param>
-        /// <param name="exchange">The name of the exchange this client is for</param>
+    /// <param name="name">The name of the exchange this client is for</param>
-        protected BaseSocketClient(ILoggerFactory? logger, string exchange) : base(logger, exchange)
+    protected BaseSocketClient(ILoggerFactory? loggerFactory, string name) : base(loggerFactory, name)
     {
+        _logger = loggerFactory?.CreateLogger(name + ".SocketClient") ?? NullLoggerFactory.Instance.CreateLogger(name);
     }
 
     /// <summary>
@@ -93,6 +95,7 @@ namespace CryptoExchange.Net.Clients
         {
             tasks.Add(client.ReconnectAsync());
         }
+
         await Task.WhenAll(tasks.ToArray()).ConfigureAwait(false);
     }
 
@@ -106,6 +109,7 @@ namespace CryptoExchange.Net.Clients
         {
             result.AppendLine(client.GetSubscriptionsState());
         }
+
         return result.ToString();
     }
 
@@ -120,7 +124,7 @@ namespace CryptoExchange.Net.Clients
         {
             result.Add(client.GetState());
         }
+
         return result;
     }
 }
-}

CryptoExchange.Net/Clients/CryptoBaseClient.cs

@@ -1,15 +1,15 @@
-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 Dictionary<Type, object> _serviceCache = new Dictionary<Type, object>();
+    private readonly Dictionary<Type, object> _serviceCache = new Dictionary<Type, object>();
 
     /// <summary>
     /// Service provider
@@ -59,9 +59,20 @@ namespace CryptoExchange.Net.Clients
     /// <summary>
     /// Dispose
     /// </summary>
-        public void Dispose()
+    public void Dispose(bool disposing)
+    {
+        if (disposing)
         {
             _serviceCache.Clear();
         }
     }
+
+    /// <summary>
+    /// Dispose
+    /// </summary>
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
 }

CryptoExchange.Net/Clients/CryptoRestClient.cs

@@ -1,12 +1,8 @@
 using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Interfaces.CommonClients;
-using Microsoft.Extensions.DependencyInjection;
 using System;
-using System.Collections.Generic;
-using System.Linq;
 
-namespace CryptoExchange.Net.Clients
+namespace CryptoExchange.Net.Clients;
-{
+
 /// <inheritdoc />
 public class CryptoRestClient : CryptoBaseClient, ICryptoRestClient
 {
@@ -24,24 +20,4 @@ namespace CryptoExchange.Net.Clients
     public CryptoRestClient(IServiceProvider serviceProvider) : base(serviceProvider)
     {
     }
-
-        /// <summary>
-        /// Get a list of the registered ISpotClient implementations
-        /// </summary>
-        /// <returns></returns>
-        public IEnumerable<ISpotClient> GetSpotClients()
-        {
-            if (_serviceProvider == null)
-                return new List<ISpotClient>();
-
-            return _serviceProvider.GetServices<ISpotClient>().ToList();
-        }
-
-        /// <summary>
-        /// Get an ISpotClient implementation by exchange name
-        /// </summary>
-        /// <param name="exchangeName"></param>
-        /// <returns></returns>
-        public ISpotClient? SpotClient(string exchangeName) => _serviceProvider?.GetServices<ISpotClient>()?.SingleOrDefault(s => s.ExchangeName.Equals(exchangeName, StringComparison.InvariantCultureIgnoreCase));
-    }
 }

CryptoExchange.Net/Clients/CryptoSocketClient.cs

@@ -1,8 +1,8 @@
-using CryptoExchange.Net.Interfaces;
+using CryptoExchange.Net.Interfaces;
 using System;
 
-namespace CryptoExchange.Net.Clients
+namespace CryptoExchange.Net.Clients;
-{
+
 /// <inheritdoc />
 public class CryptoSocketClient : CryptoBaseClient, ICryptoSocketClient
 {
@@ -21,4 +21,3 @@ namespace CryptoExchange.Net.Clients
     {
     }
 }
-}

CryptoExchange.Net/Clients/RestApiClient.cs

@@ -1,7 +1,6 @@
 using System;
 using System.Collections.Generic;
 using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Linq;
 using System.Net;
@@ -9,18 +8,18 @@ using System.Net.Http;
 using System.Threading;
 using System.Threading.Tasks;
 using CryptoExchange.Net.Caching;
-using CryptoExchange.Net.Converters.JsonNet;
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Logging.Extensions;
 using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Errors;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.RateLimiting;
 using CryptoExchange.Net.RateLimiting.Interfaces;
 using CryptoExchange.Net.Requests;
 using Microsoft.Extensions.Logging;
 
-namespace CryptoExchange.Net.Clients
+namespace CryptoExchange.Net.Clients;
-{
+
 /// <summary>
 /// Base rest API client for interacting with a REST API
 /// </summary>
@@ -56,7 +55,7 @@ namespace CryptoExchange.Net.Clients
     /// <summary>
     /// Request headers to be sent with each request
     /// </summary>
-        protected Dictionary<string, string>? StandardRequestHeaders { get; set; }
+    protected Dictionary<string, string> StandardRequestHeaders { get; set; } = [];
 
     /// <summary>
     /// Whether parameters need to be ordered
@@ -89,7 +88,7 @@ namespace CryptoExchange.Net.Clients
     /// <summary>
     /// Memory cache
     /// </summary>
-        private static MemoryCache _cache = new MemoryCache();
+    private readonly static MemoryCache _cache = new MemoryCache();
 
     /// <summary>
     /// ctor
@@ -114,13 +113,13 @@ namespace CryptoExchange.Net.Clients
     /// Create a message accessor instance
     /// </summary>
     /// <returns></returns>
-        protected virtual IStreamMessageAccessor CreateAccessor() => new JsonNetStreamMessageAccessor();
+    protected abstract IStreamMessageAccessor CreateAccessor();
 
     /// <summary>
     /// Create a serializer instance
     /// </summary>
     /// <returns></returns>
-        protected virtual IMessageSerializer CreateSerializer() => new JsonNetMessageSerializer();
+    protected abstract IMessageSerializer CreateSerializer();
 
     /// <summary>
     /// Send a request to the base address based on the request definition
@@ -154,6 +153,8 @@ namespace CryptoExchange.Net.Clients
     /// <param name="cancellationToken">Cancellation token</param>
     /// <param name="additionalHeaders">Additional headers for this request</param>
     /// <param name="weight">Override the request weight for this request definition, for example when the weight depends on the parameters</param>
+    /// <param name="weightSingleLimiter">Specify the weight to apply to the individual rate limit guard for this request</param>
+    /// <param name="rateLimitKeySuffix">An additional optional suffix for the key selector. Can be used to make rate limiting work based on parameters.</param>
     /// <returns></returns>
     protected virtual Task<WebCallResult<T>> SendAsync<T>(
         string baseAddress,
@@ -161,7 +162,9 @@ namespace CryptoExchange.Net.Clients
         ParameterCollection? parameters,
         CancellationToken cancellationToken,
         Dictionary<string, string>? additionalHeaders = null,
-            int? weight = null) where T : class
+        int? weight = null,
+        int? weightSingleLimiter = null,
+        string? rateLimitKeySuffix = null)
     {
         var parameterPosition = definition.ParameterPosition ?? ParameterPositions[definition.Method];
         return SendAsync<T>(
@@ -171,7 +174,9 @@ namespace CryptoExchange.Net.Clients
             parameterPosition == HttpMethodParameterPosition.InBody ? parameters : null,
             cancellationToken,
             additionalHeaders,
-                weight);
+            weight,
+            weightSingleLimiter,
+            rateLimitKeySuffix);
     }
 
     /// <summary>
@@ -185,6 +190,8 @@ namespace CryptoExchange.Net.Clients
     /// <param name="cancellationToken">Cancellation token</param>
     /// <param name="additionalHeaders">Additional headers for this request</param>
     /// <param name="weight">Override the request weight for this request definition, for example when the weight depends on the parameters</param>
+    /// <param name="weightSingleLimiter">Specify the weight to apply to the individual rate limit guard for this request</param>
+    /// <param name="rateLimitKeySuffix">An additional optional suffix for the key selector. Can be used to make rate limiting work based on parameters.</param>
     /// <returns></returns>
     protected virtual async Task<WebCallResult<T>> SendAsync<T>(
         string baseAddress,
@@ -193,7 +200,9 @@ namespace CryptoExchange.Net.Clients
         ParameterCollection? bodyParameters,
         CancellationToken cancellationToken,
         Dictionary<string, string>? additionalHeaders = null,
-            int? weight = null) where T : class
+        int? weight = null,
+        int? weightSingleLimiter = null,
+        string? rateLimitKeySuffix = null)
     {
         string? cacheKey = null;
         if (ShouldCache(definition))
@@ -217,7 +226,7 @@ namespace CryptoExchange.Net.Clients
             currentTry++;
             var requestId = ExchangeHelpers.NextId();
 
-                var prepareResult = await PrepareAsync(requestId, baseAddress, definition, cancellationToken, additionalHeaders, weight).ConfigureAwait(false);
+            var prepareResult = await PrepareAsync(requestId, baseAddress, definition, cancellationToken, additionalHeaders, weight, weightSingleLimiter, rateLimitKeySuffix).ConfigureAwait(false);
             if (!prepareResult)
                 return new WebCallResult<T>(prepareResult.Error!);
 
@@ -230,11 +239,19 @@ namespace CryptoExchange.Net.Clients
                 additionalHeaders);
             _logger.RestApiSendRequest(request.RequestId, definition, request.Content, string.IsNullOrEmpty(request.Uri.Query) ? "-" : request.Uri.Query, string.Join(", ", request.GetHeaders().Select(h => h.Key + $"=[{string.Join(",", h.Value)}]")));
             TotalRequestsMade++;
-                var result = await GetResponseAsync<T>(request, definition.RateLimitGate, cancellationToken).ConfigureAwait(false);
+            var result = await GetResponseAsync<T>(definition, request, definition.RateLimitGate, cancellationToken).ConfigureAwait(false);
+            if (result.Error is not CancellationRequestedError)
+            {
+                var originalData = OutputOriginalData ? result.OriginalData : "[Data only available when OutputOriginal = true]";
                 if (!result)
-                    _logger.RestApiErrorReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), result.Error?.ToString());
+                    _logger.RestApiErrorReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), result.Error?.ToString(), originalData, result.Error?.Exception);
                 else
-                    _logger.RestApiResponseReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), OutputOriginalData ? result.OriginalData : "[Data only available when OutputOriginal = true]");
+                    _logger.RestApiResponseReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), originalData);
+            }
+            else
+            {
+                _logger.RestApiCancellationRequested(result.RequestId);
+            }
 
             if (await ShouldRetryRequestAsync(definition.RateLimitGate, result, currentTry).ConfigureAwait(false))
                 continue;
@@ -258,6 +275,8 @@ namespace CryptoExchange.Net.Clients
     /// <param name="cancellationToken">Cancellation token</param>
     /// <param name="additionalHeaders">Additional headers for this request</param>
     /// <param name="weight">Override the request weight for this request</param>
+    /// <param name="weightSingleLimiter">Specify the weight to apply to the individual rate limit guard for this request</param>
+    /// <param name="rateLimitKeySuffix">An additional optional suffix for the key selector</param>
     /// <returns></returns>
     /// <exception cref="Exception"></exception>
     protected virtual async Task<CallResult> PrepareAsync(
@@ -266,10 +285,10 @@ namespace CryptoExchange.Net.Clients
         RequestDefinition definition,
         CancellationToken cancellationToken,
         Dictionary<string, string>? additionalHeaders = null,
-            int? weight = null)
+        int? weight = null,
+        int? weightSingleLimiter = null,
+        string? rateLimitKeySuffix = null)
     {
-            var requestWeight = weight ?? definition.Weight;
-
         // Time sync
         if (definition.Authenticated)
         {
@@ -295,6 +314,7 @@ namespace CryptoExchange.Net.Clients
         }            
 
         // Rate limiting
+        var requestWeight = weight ?? definition.Weight;
         if (requestWeight != 0)
         {
             if (definition.RateLimitGate == null)
@@ -302,7 +322,7 @@ namespace CryptoExchange.Net.Clients
 
             if (ClientOptions.RateLimiterEnabled)
             {
-                    var limitResult = await definition.RateLimitGate.ProcessAsync(_logger, requestId, RateLimitItemType.Request, definition, baseAddress, AuthenticationProvider?._credentials.Key, requestWeight, ClientOptions.RateLimitingBehaviour, cancellationToken).ConfigureAwait(false);
+                var limitResult = await definition.RateLimitGate.ProcessAsync(_logger, requestId, RateLimitItemType.Request, definition, baseAddress, AuthenticationProvider?._credentials.Key, requestWeight, ClientOptions.RateLimitingBehaviour, rateLimitKeySuffix, cancellationToken).ConfigureAwait(false);
                 if (!limitResult)
                     return new CallResult(limitResult.Error!);
             }
@@ -316,13 +336,14 @@ namespace CryptoExchange.Net.Clients
 
             if (ClientOptions.RateLimiterEnabled)
             {
-                    var limitResult = await definition.RateLimitGate.ProcessSingleAsync(_logger, requestId, definition.LimitGuard, RateLimitItemType.Request, definition, baseAddress, AuthenticationProvider?._credentials.Key, ClientOptions.RateLimitingBehaviour, cancellationToken).ConfigureAwait(false);
+                var singleRequestWeight = weightSingleLimiter ?? 1;
+                var limitResult = await definition.RateLimitGate.ProcessSingleAsync(_logger, requestId, definition.LimitGuard, RateLimitItemType.Request, definition, baseAddress, AuthenticationProvider?._credentials.Key, singleRequestWeight, ClientOptions.RateLimitingBehaviour, rateLimitKeySuffix, cancellationToken).ConfigureAwait(false);
                 if (!limitResult)
                     return new CallResult(limitResult.Error!);
             }
         }
 
-            return new CallResult(null);
+        return CallResult.SuccessResult;
     }
 
     /// <summary>
@@ -343,296 +364,73 @@ namespace CryptoExchange.Net.Clients
         ParameterCollection? bodyParameters,
         Dictionary<string, string>? additionalHeaders)
     {
-            var uriParams = uriParameters == null ? null : CreateParameterDictionary(uriParameters);
+        var requestConfiguration = new RestRequestConfiguration(
-            var bodyParams = bodyParameters == null ? null : CreateParameterDictionary(bodyParameters);
+            definition,
+            baseAddress,
+            uriParameters == null ? new Dictionary<string, object>() : CreateParameterDictionary(uriParameters),
+            bodyParameters == null ? new Dictionary<string, object>() : CreateParameterDictionary(bodyParameters),
+            new Dictionary<string, string>(additionalHeaders ?? []),
+            definition.ArraySerialization ?? ArraySerialization,
+            definition.ParameterPosition ?? ParameterPositions[definition.Method],
+            definition.RequestBodyFormat ?? RequestBodyFormat);
 
-            var uri = new Uri(baseAddress.AppendPath(definition.Path));
-            var arraySerialization = definition.ArraySerialization ?? ArraySerialization;
-            var bodyFormat = definition.RequestBodyFormat ?? RequestBodyFormat;
-            var parameterPosition = definition.ParameterPosition ?? ParameterPositions[definition.Method];
-
-            Dictionary<string, string>? headers = null;
-            if (AuthenticationProvider != null)
-            {
         try
         {
-                    AuthenticationProvider.AuthenticateRequest(
+            AuthenticationProvider?.ProcessRequest(this, requestConfiguration);
-                        this,
-                        uri,
-                        definition.Method,
-                        ref uriParams,
-                        ref bodyParams,
-                        ref headers,
-                        definition.Authenticated,
-                        arraySerialization,
-                        parameterPosition,
-                        bodyFormat                        
-                        );
         }
         catch (Exception ex)
         {
             throw new Exception("Failed to authenticate request, make sure your API credentials are correct", ex);
         }
-            }
         
-            // Add the auth parameters to the uri, start with a new URI to be able to sort the parameters including the auth parameters
+        var queryString = requestConfiguration.GetQueryString(true);
-            if (uriParams != null)
+        if (!string.IsNullOrEmpty(queryString) && !queryString.StartsWith("?"))
-                uri = uri.SetParameters(uriParams, arraySerialization);
+            queryString = $"?{queryString}";
 
+        var uri = new Uri(baseAddress.AppendPath(definition.Path) + queryString);
         var request = RequestFactory.Create(definition.Method, uri, requestId);
         request.Accept = Constants.JsonContentHeader;
 
-            if (headers != null)
+        foreach (var header in requestConfiguration.Headers)
-            {
-                foreach (var header in headers)
             request.AddHeader(header.Key, header.Value);            
-            }
 
-            if (additionalHeaders != null)
-            {
-                foreach (var header in additionalHeaders)
-                    request.AddHeader(header.Key, header.Value);
-            }
-
-            if (StandardRequestHeaders != null)
-            {
         foreach (var header in StandardRequestHeaders)
         {
             // Only add it if it isn't overwritten
-                    if (additionalHeaders?.ContainsKey(header.Key) != true)
+            if (!requestConfiguration.Headers.ContainsKey(header.Key))
                 request.AddHeader(header.Key, header.Value);
         }            
-            }
 
-            if (parameterPosition == HttpMethodParameterPosition.InBody)
+        if (requestConfiguration.ParameterPosition == HttpMethodParameterPosition.InBody)
         {
-                var contentType = bodyFormat == RequestBodyFormat.Json ? Constants.JsonContentHeader : Constants.FormContentHeader;
+            var contentType = requestConfiguration.BodyFormat == RequestBodyFormat.Json ? Constants.JsonContentHeader : Constants.FormContentHeader;
-                if (bodyParams != null && bodyParams.Count != 0)
+            var bodyContent = requestConfiguration.GetBodyContent();
-                    WriteParamBody(request, bodyParams, contentType);
+            if (bodyContent != null)
+            {
+                request.SetContent(bodyContent, contentType);
+            }
+            else
+            {
+                if (requestConfiguration.BodyParameters != null && requestConfiguration.BodyParameters.Count != 0)
+                    WriteParamBody(request, requestConfiguration.BodyParameters, contentType);
                 else
                     request.SetContent(RequestBodyEmptyContent, contentType);
             }
+        }
 
         return request;
     }
 
-        /// <summary>
-        /// Execute a request to the uri and returns if it was successful
-        /// </summary>
-        /// <param name="uri">The uri to send the request to</param>
-        /// <param name="method">The method of the request</param>
-        /// <param name="cancellationToken">Cancellation token</param>
-        /// <param name="parameters">The parameters of the request</param>
-        /// <param name="signed">Whether or not the request should be authenticated</param>
-        /// <param name="requestBodyFormat">The format of the body content</param>
-        /// <param name="parameterPosition">Where the parameters should be placed, overwrites the value set in the client</param>
-        /// <param name="arraySerialization">How array parameters should be serialized, overwrites the value set in the client</param>
-        /// <param name="requestWeight">Credits used for the request</param>
-        /// <param name="additionalHeaders">Additional headers to send with the request</param>
-        /// <param name="gate">The ratelimit gate to use</param>
-        /// <returns></returns>
-        [return: NotNull]
-        protected virtual async Task<WebCallResult> SendRequestAsync(
-            Uri uri,
-            HttpMethod method,
-            CancellationToken cancellationToken,
-            Dictionary<string, object>? parameters = null,
-            bool signed = false,
-            RequestBodyFormat? requestBodyFormat = null,
-            HttpMethodParameterPosition? parameterPosition = null,
-            ArrayParametersSerialization? arraySerialization = null,
-            int requestWeight = 1,
-            Dictionary<string, string>? additionalHeaders = null,
-            IRateLimitGate? gate = null)
-        {
-            int currentTry = 0;
-            while (true)
-            {
-                currentTry++;
-                var request = await PrepareRequestAsync(uri, method, cancellationToken, parameters, signed, requestBodyFormat, parameterPosition, arraySerialization, requestWeight, additionalHeaders, gate).ConfigureAwait(false);
-                if (!request)
-                    return new WebCallResult(request.Error!);
-
-                var result = await GetResponseAsync<object>(request.Data, gate, cancellationToken).ConfigureAwait(false);
-                if (!result)
-                    _logger.RestApiErrorReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), result.Error?.ToString());
-                else
-                    _logger.RestApiResponseReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), OutputOriginalData ? result.OriginalData : "[Data only available when OutputOriginal = true]");
-
-                if (await ShouldRetryRequestAsync(gate, result, currentTry).ConfigureAwait(false))
-                    continue;
-
-                return result.AsDataless();
-            }
-        }
-
-        /// <summary>
-        /// Execute a request to the uri and deserialize the response into the provided type parameter
-        /// </summary>
-        /// <typeparam name="T">The type to deserialize into</typeparam>
-        /// <param name="uri">The uri to send the request to</param>
-        /// <param name="method">The method of the request</param>
-        /// <param name="cancellationToken">Cancellation token</param>
-        /// <param name="parameters">The parameters of the request</param>
-        /// <param name="signed">Whether or not the request should be authenticated</param>
-        /// <param name="requestBodyFormat">The format of the body content</param>
-        /// <param name="parameterPosition">Where the parameters should be placed, overwrites the value set in the client</param>
-        /// <param name="arraySerialization">How array parameters should be serialized, overwrites the value set in the client</param>
-        /// <param name="requestWeight">Credits used for the request</param>
-        /// <param name="additionalHeaders">Additional headers to send with the request</param>
-        /// <param name="gate">The ratelimit gate to use</param>
-        /// <param name="preventCaching">Whether caching should be prevented for this request</param>
-        /// <returns></returns>
-        [return: NotNull]
-        protected virtual async Task<WebCallResult<T>> SendRequestAsync<T>(
-            Uri uri,
-            HttpMethod method,
-            CancellationToken cancellationToken,
-            Dictionary<string, object>? parameters = null,
-            bool signed = false,
-            RequestBodyFormat? requestBodyFormat = null,
-            HttpMethodParameterPosition? parameterPosition = null,
-            ArrayParametersSerialization? arraySerialization = null,
-            int requestWeight = 1,
-            Dictionary<string, string>? additionalHeaders = null,
-            IRateLimitGate? gate = null,
-            bool preventCaching = false
-            ) where T : class
-        {
-            var key = uri.ToString() + method + signed + parameters?.ToFormData();
-            if (ShouldCache(method) && !preventCaching)
-            {
-                _logger.CheckingCache(key);
-                var cachedValue = _cache.Get(key, ClientOptions.CachingMaxAge);
-                if (cachedValue != null)
-                {
-                    _logger.CacheHit(key);
-                    var original = (WebCallResult<T>)cachedValue;
-                    return original.Cached();
-                }
-
-                _logger.CacheNotHit(key);
-            }
-
-            int currentTry = 0;
-            while (true)
-            {
-                currentTry++;
-                var request = await PrepareRequestAsync(uri, method, cancellationToken, parameters, signed, requestBodyFormat, parameterPosition, arraySerialization, requestWeight, additionalHeaders, gate).ConfigureAwait(false);
-                if (!request)
-                    return new WebCallResult<T>(request.Error!);
-
-                var result = await GetResponseAsync<T>(request.Data, gate, cancellationToken).ConfigureAwait(false);
-                if (!result)
-                    _logger.RestApiErrorReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), result.Error?.ToString());
-                else
-                    _logger.RestApiResponseReceived(result.RequestId, result.ResponseStatusCode, (long)Math.Floor(result.ResponseTime!.Value.TotalMilliseconds), OutputOriginalData ? result.OriginalData : "[Data only available when OutputOriginal = true]");
-
-                if (await ShouldRetryRequestAsync(gate, result, currentTry).ConfigureAwait(false))
-                    continue;
-
-                if (result.Success &&
-                    ShouldCache(method) && 
-                    !preventCaching)
-                {
-                    _cache.Add(key, result);
-                }
-
-                return result;
-            }
-        }
-
-        /// <summary>
-        /// Prepares a request to be sent to the server
-        /// </summary>
-        /// <param name="uri">The uri to send the request to</param>
-        /// <param name="method">The method of the request</param>
-        /// <param name="cancellationToken">Cancellation token</param>
-        /// <param name="parameters">The parameters of the request</param>
-        /// <param name="signed">Whether or not the request should be authenticated</param>
-        /// <param name="requestBodyFormat">The format of the body content</param>
-        /// <param name="parameterPosition">Where the parameters should be placed, overwrites the value set in the client</param>
-        /// <param name="arraySerialization">How array parameters should be serialized, overwrites the value set in the client</param>
-        /// <param name="requestWeight">Credits used for the request</param>
-        /// <param name="additionalHeaders">Additional headers to send with the request</param>
-        /// <param name="gate">The rate limit gate to use</param>
-        /// <returns></returns>
-        protected virtual async Task<CallResult<IRequest>> PrepareRequestAsync(
-            Uri uri,
-            HttpMethod method,
-            CancellationToken cancellationToken,
-            Dictionary<string, object>? parameters = null,
-            bool signed = false,
-            RequestBodyFormat? requestBodyFormat = null,
-            HttpMethodParameterPosition? parameterPosition = null,
-            ArrayParametersSerialization? arraySerialization = null,
-            int requestWeight = 1,
-            Dictionary<string, string>? additionalHeaders = null,
-            IRateLimitGate? gate = null)
-        {
-            var requestId = ExchangeHelpers.NextId();
-
-            if (signed)
-            {
-                if (AuthenticationProvider == null)
-                {
-                    _logger.RestApiNoApiCredentials(requestId, uri.AbsolutePath);
-                    return new CallResult<IRequest>(new NoApiCredentialsError());
-                }
-
-                var syncTask = SyncTimeAsync();
-                var timeSyncInfo = GetTimeSyncInfo();
-
-                if (timeSyncInfo != null && timeSyncInfo.TimeSyncState.LastSyncTime == default)
-                {
-                    // Initially with first request we'll need to wait for the time syncing, if it's not the first request we can just continue
-                    var syncTimeResult = await syncTask.ConfigureAwait(false);
-                    if (!syncTimeResult)
-                    {
-                        _logger.RestApiFailedToSyncTime(requestId, syncTimeResult.Error!.ToString());
-                        return syncTimeResult.As<IRequest>(default);
-                    }
-                }
-            }
-            
-            if (requestWeight != 0)
-            {
-                if (gate == null)
-                    throw new Exception("Ratelimit gate not set when request weight is not 0");
-
-                if (ClientOptions.RateLimiterEnabled)
-                {
-                    var limitResult = await gate.ProcessAsync(_logger, requestId, RateLimitItemType.Request, new RequestDefinition(uri.AbsolutePath.TrimStart('/'), method) { Authenticated = signed }, uri.Host, AuthenticationProvider?._credentials.Key, requestWeight, ClientOptions.RateLimitingBehaviour, cancellationToken).ConfigureAwait(false);
-                    if (!limitResult)
-                        return new CallResult<IRequest>(limitResult.Error!);
-                }
-            }
-
-            _logger.RestApiCreatingRequest(requestId, uri);
-            var paramsPosition = parameterPosition ?? ParameterPositions[method];
-            var request = ConstructRequest(uri, method, parameters?.OrderBy(p => p.Key).ToDictionary(p => p.Key, p => p.Value), signed, paramsPosition, arraySerialization ?? ArraySerialization, requestBodyFormat ?? RequestBodyFormat, requestId, additionalHeaders);
-
-            string? paramString = "";
-            if (paramsPosition == HttpMethodParameterPosition.InBody)
-                paramString = $" with request body '{request.Content}'";
-
-            var headers = request.GetHeaders();
-            if (headers.Any())
-                paramString += " with headers " + string.Join(", ", headers.Select(h => h.Key + $"=[{string.Join(",", h.Value)}]"));
-
-            TotalRequestsMade++;
-            _logger.RestApiSendingRequest(requestId, method, signed ? "signed": "", request.Uri, paramString);
-            return new CallResult<IRequest>(request);
-        }
-
     /// <summary>
     /// Executes the request and returns the result deserialized into the type parameter class
     /// </summary>
+    /// <param name="requestDefinition">The request definition</param>
     /// <param name="request">The request object to execute</param>
     /// <param name="gate">The ratelimit gate used</param>
     /// <param name="cancellationToken">Cancellation token</param>
     /// <returns></returns>
     protected virtual async Task<WebCallResult<T>> GetResponseAsync<T>(
+        RequestDefinition requestDefinition,
         IRequest request,
         IRateLimitGate? gate,
         CancellationToken cancellationToken)
@@ -652,10 +450,10 @@ namespace CryptoExchange.Net.Clients
             var outputOriginalData = ApiOptions.OutputOriginalData ?? ClientOptions.OutputOriginalData;
 
             accessor = CreateAccessor();
-                if (!response.IsSuccessStatusCode)
+            if (!response.IsSuccessStatusCode && !requestDefinition.TryParseOnNonSuccess)
             {
                 // Error response
-                    await accessor.Read(responseStream, true).ConfigureAwait(false);
+                var readResult = await accessor.Read(responseStream, true).ConfigureAwait(false);
 
                 Error error;
                 if (response.StatusCode == (HttpStatusCode)418 || response.StatusCode == (HttpStatusCode)429)
@@ -671,7 +469,7 @@ namespace CryptoExchange.Net.Clients
                 }
                 else
                 {
-                        error = ParseErrorResponse((int)response.StatusCode, response.ResponseHeaders, accessor);
+                    error = ParseErrorResponse((int)response.StatusCode, response.ResponseHeaders, accessor, readResult.Error?.Exception);
                 }
 
                 if (error.Code == null || error.Code == 0)
@@ -680,23 +478,33 @@ namespace CryptoExchange.Net.Clients
                 return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, sw.Elapsed, responseLength, OutputOriginalData ? accessor.GetOriginalString() : null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, error!);
             }
 
+            var valid = await accessor.Read(responseStream, outputOriginalData).ConfigureAwait(false);
             if (typeof(T) == typeof(object))
                 // Success status code and expected empty response, assume it's correct
-                    return new WebCallResult<T>(statusCode, headers, sw.Elapsed, 0, null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, null);
+                return new WebCallResult<T>(statusCode, headers, sw.Elapsed, 0, accessor.OriginalDataAvailable ? accessor.GetOriginalString() : "[Data only available when OutputOriginal = true in client options]", request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, null);
 
-                var valid = await accessor.Read(responseStream, outputOriginalData).ConfigureAwait(false);
             if (!valid)
             {
                 // Invalid json
-                    var error = new ServerError("Failed to parse response: " + valid.Error!.Message, accessor.OriginalDataAvailable ? accessor.GetOriginalString() : "[Data only available when OutputOriginal = true in client options]");
+                return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, sw.Elapsed, responseLength, OutputOriginalData ? accessor.GetOriginalString() : null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, valid.Error);
-                    return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, sw.Elapsed, responseLength, OutputOriginalData ? accessor.GetOriginalString() : null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, error);
             }
 
             // Json response received
-                var parsedError = TryParseError(accessor);
+            var parsedError = TryParseError(requestDefinition, response.ResponseHeaders, accessor);
             if (parsedError != null)
+            {
+                if (parsedError is ServerRateLimitError rateError)
+                {
+                    if (rateError.RetryAfter != null && gate != null && ClientOptions.RateLimiterEnabled)
+                    {
+                        _logger.RestApiRateLimitPauseUntil(request.RequestId, rateError.RetryAfter.Value);
+                        await gate.SetRetryAfterGuardAsync(rateError.RetryAfter.Value).ConfigureAwait(false);
+                    }
+                }
+
                 // Success status code, but TryParseError determined it was an error response
                 return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, sw.Elapsed, responseLength, OutputOriginalData ? accessor.GetOriginalString() : null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, parsedError);
+            }
 
             var deserializeResult = accessor.Deserialize<T>();
             return new WebCallResult<T>(response.StatusCode, response.ResponseHeaders, sw.Elapsed, responseLength, OutputOriginalData ? accessor.GetOriginalString() : null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, deserializeResult.Data, deserializeResult.Error);
@@ -704,20 +512,22 @@ namespace CryptoExchange.Net.Clients
         catch (HttpRequestException requestException)
         {
             // Request exception, can't reach server for instance
-                var exceptionInfo = requestException.ToLogString();
+            var error = new WebError(requestException.Message, requestException);
-                return new WebCallResult<T>(null, null, sw.Elapsed, null, null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, new WebError(exceptionInfo));
+            return new WebCallResult<T>(null, null, sw.Elapsed, null, null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, error);
         }
         catch (OperationCanceledException canceledException)
         {
             if (cancellationToken != default && canceledException.CancellationToken == cancellationToken)
             {
                 // Cancellation token canceled by caller
-                    return new WebCallResult<T>(null, null, sw.Elapsed, null, null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, new CancellationRequestedError());
+                return new WebCallResult<T>(null, null, sw.Elapsed, null, null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, new CancellationRequestedError(canceledException));
             }
             else
             {
                 // Request timed out
-                    return new WebCallResult<T>(null, null, sw.Elapsed, null, null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, new WebError($"Request timed out"));
+                var error = new WebError($"Request timed out", exception: canceledException);
+                error.ErrorType = ErrorType.Timeout;
+                return new WebCallResult<T>(null, null, sw.Elapsed, null, null, request.RequestId, request.Uri.ToString(), request.Content, request.Method, request.GetHeaders(), ResultDataSource.Server, default, error);
             }
         }
         finally
@@ -730,12 +540,14 @@ namespace CryptoExchange.Net.Clients
 
     /// <summary>
     /// Can be used to parse an error even though response status indicates success. Some apis always return 200 OK, even though there is an error.
-        /// When setting manualParseError to true this method will be called for each response to be able to check if the response is an error or not.
+    /// This method will be called for each response to be able to check if the response is an error or not.
     /// If the response is an error this method should return the parsed error, else it should return null
     /// </summary>
+    /// <param name="requestDefinition">Request definition</param>
     /// <param name="accessor">Data accessor</param>
+    /// <param name="responseHeaders">The response headers</param>
     /// <returns>Null if not an error, Error otherwise</returns>
-        protected virtual ServerError? TryParseError(IMessageAccessor accessor) => null;
+    protected virtual Error? TryParseError(RequestDefinition requestDefinition, KeyValuePair<string, string[]>[] responseHeaders, IMessageAccessor accessor) => null;
 
     /// <summary>
     /// Can be used to indicate that a request should be retried. Defaults to false. Make sure to retry a max number of times (based on the the tries parameter) or the request will retry forever.
@@ -752,7 +564,7 @@ namespace CryptoExchange.Net.Clients
             // Only retry once
             return false;
 
-            if ((int?)callResult.ResponseStatusCode == 429 
+        if (callResult.Error is ServerRateLimitError
             && ClientOptions.RateLimiterEnabled
             && ClientOptions.RateLimitingBehaviour != RateLimitingBehaviour.Fail
             && gate != null)
@@ -771,112 +583,6 @@ namespace CryptoExchange.Net.Clients
         return false;
     }
 
-        /// <summary>
-        /// Creates a request object
-        /// </summary>
-        /// <param name="uri">The uri to send the request to</param>
-        /// <param name="method">The method of the request</param>
-        /// <param name="parameters">The parameters of the request</param>
-        /// <param name="signed">Whether or not the request should be authenticated</param>
-        /// <param name="parameterPosition">Where the parameters should be placed</param>
-        /// <param name="arraySerialization">How array parameters should be serialized</param>
-        /// <param name="bodyFormat">Format of the body content</param>
-        /// <param name="requestId">Unique id of a request</param>
-        /// <param name="additionalHeaders">Additional headers to send with the request</param>
-        /// <returns></returns>
-        protected virtual IRequest ConstructRequest(
-            Uri uri,
-            HttpMethod method,
-            Dictionary<string, object>? parameters,
-            bool signed,
-            HttpMethodParameterPosition parameterPosition,
-            ArrayParametersSerialization arraySerialization,
-            RequestBodyFormat bodyFormat,
-            int requestId,
-            Dictionary<string, string>? additionalHeaders)
-        {
-            parameters ??= new Dictionary<string, object>();
-
-            for (var i = 0; i < parameters.Count; i++)
-            {
-                var kvp = parameters.ElementAt(i);
-                if (kvp.Value is Func<object> delegateValue)
-                    parameters[kvp.Key] = delegateValue();
-            }
-
-            if (parameterPosition == HttpMethodParameterPosition.InUri)
-            {
-                foreach (var parameter in parameters)
-                    uri = uri.AddQueryParmeter(parameter.Key, parameter.Value.ToString()!);
-            }
-
-            var headers = new Dictionary<string, string>();
-            var uriParameters = parameterPosition == HttpMethodParameterPosition.InUri ? CreateParameterDictionary(parameters) : null;
-            var bodyParameters = parameterPosition == HttpMethodParameterPosition.InBody ? CreateParameterDictionary(parameters) : null;
-            if (AuthenticationProvider != null)
-            {
-                try
-                {
-                    AuthenticationProvider.AuthenticateRequest(
-                        this,
-                        uri,
-                        method,
-                        ref uriParameters,
-                        ref bodyParameters,
-                        ref headers,
-                        signed,
-                        arraySerialization,
-                        parameterPosition,
-                        bodyFormat
-                        );
-                }
-                catch (Exception ex)
-                {
-                    throw new Exception("Failed to authenticate request, make sure your API credentials are correct", ex);
-                }
-            }
-
-            // Add the auth parameters to the uri, start with a new URI to be able to sort the parameters including the auth parameters            
-            if (uriParameters != null)
-                uri = uri.SetParameters(uriParameters, arraySerialization);
-
-            var request = RequestFactory.Create(method, uri, requestId);
-            request.Accept = Constants.JsonContentHeader;
-
-            if (headers != null)
-            {
-                foreach (var header in headers)
-                    request.AddHeader(header.Key, header.Value);
-            }
-
-            if (additionalHeaders != null)
-            {
-                foreach (var header in additionalHeaders)
-                    request.AddHeader(header.Key, header.Value);
-            }
-
-            if (StandardRequestHeaders != null)
-            {
-                foreach (var header in StandardRequestHeaders)
-                {
-                    // Only add it if it isn't overwritten
-                    if (additionalHeaders?.ContainsKey(header.Key) != true)
-                        request.AddHeader(header.Key, header.Value);
-                }
-            }
-
-            if (parameterPosition == HttpMethodParameterPosition.InBody)
-            {
-                var contentType = bodyFormat == RequestBodyFormat.Json ? Constants.JsonContentHeader : Constants.FormContentHeader;
-                if (bodyParameters?.Any() == true)
-                    WriteParamBody(request, bodyParameters, contentType);
-                else
-                    request.SetContent(RequestBodyEmptyContent, contentType);
-            }
-
-            return request;
-        }
-
     /// <summary>
     /// Writes the parameters of the request to the request object body
     /// </summary>
@@ -887,12 +593,16 @@ namespace CryptoExchange.Net.Clients
     {
         if (contentType == Constants.JsonContentHeader)
         {
+            var serializer = CreateSerializer();
+            if (serializer is not IStringMessageSerializer stringSerializer)
+                throw new InvalidOperationException("Non-string message serializer can't get serialized request body");
+
             // Write the parameters as json in the body
             string stringData;
-                if (parameters.Count == 1 && parameters.ContainsKey(Constants.BodyPlaceHolderKey))
+            if (parameters.Count == 1 && parameters.TryGetValue(Constants.BodyPlaceHolderKey, out object? value))
-                    stringData = CreateSerializer().Serialize(parameters[Constants.BodyPlaceHolderKey]);
+                stringData = stringSerializer.Serialize(value);
             else
-                    stringData = CreateSerializer().Serialize(parameters);
+                stringData = stringSerializer.Serialize(parameters);
             request.SetContent(stringData, contentType);
         }
         else if (contentType == Constants.FormContentHeader)
@@ -909,11 +619,11 @@ namespace CryptoExchange.Net.Clients
     /// <param name="httpStatusCode">The response status code</param>
     /// <param name="responseHeaders">The response headers</param>
     /// <param name="accessor">Data accessor</param>
+    /// <param name="exception">Exception</param>
     /// <returns></returns>
-        protected virtual Error ParseErrorResponse(int httpStatusCode, IEnumerable<KeyValuePair<string, IEnumerable<string>>> responseHeaders, IMessageAccessor accessor)
+    protected virtual Error ParseErrorResponse(int httpStatusCode, KeyValuePair<string, string[]>[] responseHeaders, IMessageAccessor accessor, Exception? exception)
     {
-            var message = accessor.OriginalDataAvailable ? accessor.GetOriginalString() : "[Error response content only available when OutputOriginal = true in client options]";
+        return new ServerError(ErrorInfo.Unknown, exception);
-            return new ServerError(message);
     }
 
     /// <summary>
@@ -923,23 +633,21 @@ namespace CryptoExchange.Net.Clients
     /// <param name="responseHeaders">The response headers</param>
     /// <param name="accessor">Data accessor</param>
     /// <returns></returns>
-        protected virtual ServerRateLimitError ParseRateLimitResponse(int httpStatusCode, IEnumerable<KeyValuePair<string, IEnumerable<string>>> responseHeaders, IMessageAccessor accessor)
+    protected virtual ServerRateLimitError ParseRateLimitResponse(int httpStatusCode, KeyValuePair<string, string[]>[] responseHeaders, IMessageAccessor accessor)
     {
-            var message = accessor.OriginalDataAvailable ? accessor.GetOriginalString() : "[Error response content only available when OutputOriginal = true in client options]";
-
         // Handle retry after header
         var retryAfterHeader = responseHeaders.SingleOrDefault(r => r.Key.Equals("Retry-After", StringComparison.InvariantCultureIgnoreCase));
-            if (retryAfterHeader.Value?.Any() != true)
+        if (!(retryAfterHeader.Value.Length > 0))
-                return new ServerRateLimitError(message);
+            return new ServerRateLimitError();
 
         var value = retryAfterHeader.Value.First();
         if (int.TryParse(value, out var seconds))
-                return new ServerRateLimitError(message) { RetryAfter = DateTime.UtcNow.AddSeconds(seconds) };
+            return new ServerRateLimitError() { RetryAfter = DateTime.UtcNow.AddSeconds(seconds) };
 
         if (DateTime.TryParse(value, out var datetime))
-                return new ServerRateLimitError(message) { RetryAfter = datetime };
+            return new ServerRateLimitError() { RetryAfter = datetime };
 
-            return new ServerRateLimitError(message);
+        return new ServerRateLimitError();
     }
 
     /// <summary>
@@ -1016,9 +724,4 @@ namespace CryptoExchange.Net.Clients
         => ClientOptions.CachingEnabled
         && definition.Method == HttpMethod.Get
         && !definition.PreventCaching;
-
-        private bool ShouldCache(HttpMethod method)
-            => ClientOptions.CachingEnabled
-            && method == HttpMethod.Get;
-    }
 }

CryptoExchange.Net/Clients/SocketApiClient.cs

@@ -1,9 +1,10 @@
-using CryptoExchange.Net.Converters.JsonNet;
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Logging.Extensions;
 using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects.Errors;
 using CryptoExchange.Net.Objects.Options;
 using CryptoExchange.Net.Objects.Sockets;
+using CryptoExchange.Net.RateLimiting;
 using CryptoExchange.Net.RateLimiting.Interfaces;
 using CryptoExchange.Net.Sockets;
 using Microsoft.Extensions.Logging;
@@ -16,8 +17,8 @@ using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace CryptoExchange.Net.Clients
+namespace CryptoExchange.Net.Clients;
-{
+
 /// <summary>
 /// Base socket API client for interaction with a websocket API
 /// </summary>
@@ -42,6 +43,11 @@ namespace CryptoExchange.Net.Clients
     /// </summary>
     protected TimeSpan KeepAliveInterval { get; set; } = TimeSpan.FromSeconds(10);
 
+    /// <summary>
+    /// Keep alive timeout for websocket connection
+    /// </summary>
+    protected TimeSpan KeepAliveTimeout { get; set; } = TimeSpan.FromSeconds(10);
+
     /// <summary>
     /// Handlers for data from the socket which doesn't need to be forwarded to the caller. Ping or welcome messages for example.
     /// </summary>
@@ -77,12 +83,17 @@ namespace CryptoExchange.Net.Clients
     /// </summary>
     protected bool AllowTopicsOnTheSameConnection { get; set; } = true;
 
+    /// <summary>
+    /// Whether to continue processing and forward unparsable messages to handlers
+    /// </summary>
+    protected internal bool ProcessUnparsableMessages { get; set; }
+
     /// <inheritdoc />
     public double IncomingKbps
     {
         get
         {
-                if (!socketConnections.Any())
+            if (socketConnections.IsEmpty)
                 return 0;
 
             return socketConnections.Sum(s => s.Value.IncomingKbps);
@@ -97,7 +108,7 @@ namespace CryptoExchange.Net.Clients
     {
         get
         {
-                if (!socketConnections.Any())
+            if (socketConnections.IsEmpty)
                 return 0;
 
             return socketConnections.Sum(s => s.Value.UserSubscriptionCount);
@@ -133,13 +144,13 @@ namespace CryptoExchange.Net.Clients
     /// Create a message accessor instance
     /// </summary>
     /// <returns></returns>
-        protected internal virtual IByteMessageAccessor CreateAccessor() => new JsonNetByteMessageAccessor();
+    protected internal abstract IByteMessageAccessor CreateAccessor(WebSocketMessageType messageType);
 
     /// <summary>
     /// Create a serializer instance
     /// </summary>
     /// <returns></returns>
-        protected internal virtual IMessageSerializer CreateSerializer() => new JsonNetMessageSerializer();
+    protected internal abstract IMessageSerializer CreateSerializer();
 
     /// <summary>
     /// Keep an open connection to this url
@@ -206,9 +217,9 @@ namespace CryptoExchange.Net.Clients
         {
             await semaphoreSlim.WaitAsync(ct).ConfigureAwait(false);
         }
-            catch (OperationCanceledException)
+        catch (OperationCanceledException tce)
         {
-                return new CallResult<UpdateSubscription>(new CancellationRequestedError());
+            return new CallResult<UpdateSubscription>(new CancellationRequestedError(tce));
         }
 
         try
@@ -239,7 +250,7 @@ namespace CryptoExchange.Net.Clients
 
                 var needsConnecting = !socketConnection.Connected;
 
-                    var connectResult = await ConnectIfNeededAsync(socketConnection, subscription.Authenticated).ConfigureAwait(false);
+                var connectResult = await ConnectIfNeededAsync(socketConnection, subscription.Authenticated, ct).ConfigureAwait(false);
                 if (!connectResult)
                     return new CallResult<UpdateSubscription>(connectResult.Error!);
 
@@ -255,15 +266,15 @@ namespace CryptoExchange.Net.Clients
         if (socketConnection.PausedActivity)
         {
             _logger.HasBeenPausedCantSubscribeAtThisMoment(socketConnection.SocketId);
-                return new CallResult<UpdateSubscription>(new ServerError("Socket is paused"));
+            return new CallResult<UpdateSubscription>(new ServerError(new ErrorInfo(ErrorType.WebsocketPaused, "Socket is paused")));
         }
 
         var waitEvent = new AsyncResetEvent(false);
-            var subQuery = subscription.GetSubQuery(socketConnection);
+        var subQuery = subscription.CreateSubscriptionQuery(socketConnection);
         if (subQuery != null)
         {
             // Send the request and wait for answer
-                var subResult = await socketConnection.SendAndWaitQueryAsync(subQuery, waitEvent).ConfigureAwait(false);
+            var subResult = await socketConnection.SendAndWaitQueryAsync(subQuery, waitEvent, ct).ConfigureAwait(false);
             if (!subResult)
             {
                 waitEvent?.Set();
@@ -303,11 +314,10 @@ namespace CryptoExchange.Net.Clients
     /// Send a query on a socket connection to the BaseAddress and wait for the response
     /// </summary>
     /// <typeparam name="THandlerResponse">Expected result type</typeparam>
-        /// <typeparam name="TServerResponse">The type returned to the caller</typeparam>
     /// <param name="query">The query</param>
     /// <param name="ct">Cancellation token</param>
     /// <returns></returns>
-        protected virtual Task<CallResult<THandlerResponse>> QueryAsync<TServerResponse, THandlerResponse>(Query<TServerResponse, THandlerResponse> query, CancellationToken ct = default)
+    protected virtual Task<CallResult<THandlerResponse>> QueryAsync<THandlerResponse>(Query<THandlerResponse> query, CancellationToken ct = default)
     {
         return QueryAsync(BaseAddress, query, ct);
     }
@@ -316,12 +326,11 @@ namespace CryptoExchange.Net.Clients
     /// Send a query on a socket connection and wait for the response
     /// </summary>
     /// <typeparam name="THandlerResponse">Expected result type</typeparam>
-        /// <typeparam name="TServerResponse">The type returned to the caller</typeparam>
     /// <param name="url">The url for the request</param>
     /// <param name="query">The query</param>
     /// <param name="ct">Cancellation token</param>
     /// <returns></returns>
-        protected virtual async Task<CallResult<THandlerResponse>> QueryAsync<TServerResponse, THandlerResponse>(string url, Query<TServerResponse, THandlerResponse> query, CancellationToken ct = default)
+    protected virtual async Task<CallResult<THandlerResponse>> QueryAsync<THandlerResponse>(string url, Query<THandlerResponse> query, CancellationToken ct = default)
     {
         if (_disposing)
             return new CallResult<THandlerResponse>(new InvalidOperationError("Client disposed, can't query"));
@@ -331,7 +340,13 @@ namespace CryptoExchange.Net.Clients
 
         SocketConnection socketConnection;
         var released = false;
-            await semaphoreSlim.WaitAsync().ConfigureAwait(false);
+
+        try
+        {
+            await semaphoreSlim.WaitAsync(ct).ConfigureAwait(false);
+        }
+        catch (OperationCanceledException) { }
+
         try
         {
             var socketResult = await GetSocketConnection(url, query.Authenticated, true).ConfigureAwait(false);
@@ -347,7 +362,7 @@ namespace CryptoExchange.Net.Clients
                 released = true;
             }
 
-                var connectResult = await ConnectIfNeededAsync(socketConnection, query.Authenticated).ConfigureAwait(false);
+            var connectResult = await ConnectIfNeededAsync(socketConnection, query.Authenticated, ct).ConfigureAwait(false);
             if (!connectResult)
                 return new CallResult<THandlerResponse>(connectResult.Error!);
         }
@@ -360,7 +375,7 @@ namespace CryptoExchange.Net.Clients
         if (socketConnection.PausedActivity)
         {
             _logger.HasBeenPausedCantSendQueryAtThisMoment(socketConnection.SocketId);
-                return new CallResult<THandlerResponse>(new ServerError("Socket is paused"));
+            return new CallResult<THandlerResponse>(new ServerError(new ErrorInfo(ErrorType.WebsocketPaused, "Socket is paused")));
         }
 
         if (ct.IsCancellationRequested)
@@ -374,21 +389,28 @@ namespace CryptoExchange.Net.Clients
     /// </summary>
     /// <param name="socket">The connection to check</param>
     /// <param name="authenticated">Whether the socket should authenticated</param>
+    /// <param name="ct">Cancellation token</param>
     /// <returns></returns>
-        protected virtual async Task<CallResult> ConnectIfNeededAsync(SocketConnection socket, bool authenticated)
+    protected virtual async Task<CallResult> ConnectIfNeededAsync(SocketConnection socket, bool authenticated, CancellationToken ct)
     {
         if (socket.Connected)
-                return new CallResult(null);
+            return CallResult.SuccessResult;
 
-            var connectResult = await ConnectSocketAsync(socket).ConfigureAwait(false);
+        var connectResult = await ConnectSocketAsync(socket, ct).ConfigureAwait(false);
         if (!connectResult)
             return connectResult;
 
         if (ClientOptions.DelayAfterConnect != TimeSpan.Zero)
-                await Task.Delay(ClientOptions.DelayAfterConnect).ConfigureAwait(false);
+        {
+            try
+            {
+                await Task.Delay(ClientOptions.DelayAfterConnect, ct).ConfigureAwait(false);
+            }
+            catch (OperationCanceledException) { }
+        }
 
         if (!authenticated || socket.Authenticated)
-                return new CallResult(null);
+            return CallResult.SuccessResult;
 
         var result = await AuthenticateSocketAsync(socket).ConfigureAwait(false);
         if (!result)
@@ -427,7 +449,7 @@ namespace CryptoExchange.Net.Clients
         }
 
         socket.Authenticated = true;
-            return new CallResult(null);
+        return CallResult.SuccessResult;
     }
 
     /// <summary>
@@ -475,7 +497,7 @@ namespace CryptoExchange.Net.Clients
     /// <returns></returns>
     protected internal virtual Task<CallResult> RevitalizeRequestAsync(Subscription subscription)
     {
-            return Task.FromResult(new CallResult(null));
+        return Task.FromResult(CallResult.SuccessResult);
     }
 
     /// <summary>
@@ -510,7 +532,7 @@ namespace CryptoExchange.Net.Clients
 
         if (connection != null)
         {
-                if (connection.UserSubscriptionCount < ClientOptions.SocketSubscriptionsCombineTarget || socketConnections.Count >= (ApiOptions.MaxSocketConnections ?? ClientOptions.MaxSocketConnections) && socketConnections.All(s => s.Value.UserSubscriptionCount >= ClientOptions.SocketSubscriptionsCombineTarget))
+            if (connection.UserSubscriptionCount < ClientOptions.SocketSubscriptionsCombineTarget || (socketConnections.Count >= (ApiOptions.MaxSocketConnections ?? ClientOptions.MaxSocketConnections) && socketConnections.All(s => s.Value.UserSubscriptionCount >= ClientOptions.SocketSubscriptionsCombineTarget)))
                 // Use existing socket if it has less than target connections OR it has the least connections and we can't make new
                 return new CallResult<SocketConnection>(connection);
         }
@@ -561,11 +583,12 @@ namespace CryptoExchange.Net.Clients
     /// </summary>
     protected async virtual Task HandleConnectRateLimitedAsync()
     {
-            if (ClientOptions.RateLimiterEnabled && RateLimiter is not null && ClientOptions.ConnectDelayAfterRateLimited is not null)
+        if (ClientOptions.RateLimiterEnabled && ClientOptions.ConnectDelayAfterRateLimited.HasValue)
         {
             var retryAfter = DateTime.UtcNow.Add(ClientOptions.ConnectDelayAfterRateLimited.Value);
             _logger.AddingRetryAfterGuard(retryAfter);
-                await RateLimiter.SetRetryAfterGuardAsync(retryAfter, RateLimiting.RateLimitItemType.Connection).ConfigureAwait(false);
+            RateLimiter ??= new RateLimitGate("Connection");
+            await RateLimiter.SetRetryAfterGuardAsync(retryAfter, RateLimitItemType.Connection).ConfigureAwait(false);
         }
     }
 
@@ -573,10 +596,11 @@ namespace CryptoExchange.Net.Clients
     /// Connect a socket
     /// </summary>
     /// <param name="socketConnection">The socket to connect</param>
+    /// <param name="ct">Cancellation token</param>
     /// <returns></returns>
-        protected virtual async Task<CallResult> ConnectSocketAsync(SocketConnection socketConnection)
+    protected virtual async Task<CallResult> ConnectSocketAsync(SocketConnection socketConnection, CancellationToken ct)
     {
-            var connectResult = await socketConnection.ConnectAsync().ConfigureAwait(false);
+        var connectResult = await socketConnection.ConnectAsync(ct).ConfigureAwait(false);
         if (connectResult)
         {
             socketConnections.TryAdd(socketConnection.SocketId, socketConnection);
@@ -596,11 +620,13 @@ namespace CryptoExchange.Net.Clients
         => new(new Uri(address), ClientOptions.ReconnectPolicy)
         {
             KeepAliveInterval = KeepAliveInterval,
+            KeepAliveTimeout = KeepAliveTimeout,
             ReconnectInterval = ClientOptions.ReconnectInterval,
             RateLimiter = ClientOptions.RateLimiterEnabled ? RateLimiter : null,
-                RateLimitingBehaviour = ClientOptions.RateLimitingBehaviour,
+            RateLimitingBehavior = ClientOptions.RateLimitingBehaviour,
             Proxy = ClientOptions.Proxy,
-                Timeout = ApiOptions.SocketNoDataTimeout ?? ClientOptions.SocketNoDataTimeout
+            Timeout = ApiOptions.SocketNoDataTimeout ?? ClientOptions.SocketNoDataTimeout,
+            ReceiveBufferSize = ClientOptions.ReceiveBufferSize,
         };
 
     /// <summary>
@@ -670,8 +696,11 @@ namespace CryptoExchange.Net.Clients
         var tasks = new List<Task>();
         {
             var socketList = socketConnections.Values;
-                foreach (var connection in socketList.Where(s => !s.DedicatedRequestConnection.IsDedicatedRequestConnection))
+            foreach (var connection in socketList)
-                    tasks.Add(connection.CloseAsync());
+            {
+                foreach(var subscription in connection.Subscriptions.Where(x => x.UserSubscription))
+                    tasks.Add(connection.CloseAsync(subscription));
+            }
         }
 
         await Task.WhenAll(tasks.ToArray()).ConfigureAwait(false);
@@ -703,12 +732,12 @@ namespace CryptoExchange.Net.Clients
             if (!socketResult)
                 return socketResult.AsDataless();
 
-                var connectResult = await ConnectIfNeededAsync(socketResult.Data, item.Authenticated).ConfigureAwait(false);
+            var connectResult = await ConnectIfNeededAsync(socketResult.Data, item.Authenticated, default).ConfigureAwait(false);
             if (!connectResult)
                 return new CallResult(connectResult.Error!);
         }
 
-            return new CallResult(null);
+        return CallResult.SuccessResult;
     }
 
     /// <inheritdoc />
@@ -718,7 +747,7 @@ namespace CryptoExchange.Net.Clients
         base.SetOptions(options);
 
         if ((!previousProxyIsSet && options.Proxy == null)
-                || !socketConnections.Any())
+            || socketConnections.IsEmpty)
         {
             return;
         }
@@ -798,7 +827,7 @@ namespace CryptoExchange.Net.Clients
                         sb.AppendLine($"\t\t\tId: {subState.Id}");
                         sb.AppendLine($"\t\t\tConfirmed: {subState.Confirmed}");
                         sb.AppendLine($"\t\t\tInvocations: {subState.Invocations}");
-                            sb.AppendLine($"\t\t\tIdentifiers: [{string.Join(",", subState.Identifiers)}]");
+                        sb.AppendLine($"\t\t\tIdentifiers: [{subState.ListenMatcher.ToString()}]");
                     });
                 }
             });
@@ -810,8 +839,11 @@ namespace CryptoExchange.Net.Clients
     /// <summary>
     /// Dispose the client
     /// </summary>
-        public override void Dispose()
+    public override void Dispose(bool disposing)
     {
+        if (disposing)
+            return;
+
         _disposing = true;
         var tasks = new List<Task>();
         {
@@ -826,7 +858,7 @@ namespace CryptoExchange.Net.Clients
         }
 
         semaphoreSlim?.Dispose();
-            base.Dispose();
+        base.Dispose(disposing);
     }
 
     /// <summary>
@@ -845,4 +877,3 @@ namespace CryptoExchange.Net.Clients
     /// <returns></returns>
     public virtual ReadOnlyMemory<byte> PreprocessStreamMessage(SocketConnection connection, WebSocketMessageType type, ReadOnlyMemory<byte> data) => data;
 }
-}

CryptoExchange.Net/CommonObjects/Balance.cs

@@ -1,21 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Balance data
-    /// </summary>
-    public class Balance: BaseCommonObject
-    {
-        /// <summary>
-        /// The asset name
-        /// </summary>
-        public string Asset { get; set;  } = string.Empty;
-        /// <summary>
-        /// Quantity available
-        /// </summary>
-        public decimal? Available { get; set; }
-        /// <summary>
-        /// Total quantity
-        /// </summary>
-        public decimal? Total { get; set;  }
-    }
-}

CryptoExchange.Net/CommonObjects/BaseComonObject.cs

@@ -1,13 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Base class for common objects
-    /// </summary>
-    public class BaseCommonObject
-    {
-        /// <summary>
-        /// The source object the data is derived from
-        /// </summary>
-        public object SourceObject { get; set; } = null!;
-    }
-}

CryptoExchange.Net/CommonObjects/Enums.cs

@@ -1,73 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Order type
-    /// </summary>
-    public enum CommonOrderType
-    {
-        /// <summary>
-        /// Limit type
-        /// </summary>
-        Limit,
-        /// <summary>
-        /// Market type
-        /// </summary>
-        Market,
-        /// <summary>
-        /// Other order type
-        /// </summary>
-        Other
-    }
-
-    /// <summary>
-    /// Order side
-    /// </summary>
-    public enum CommonOrderSide
-    {
-        /// <summary>
-        /// Buy order
-        /// </summary>
-        Buy,
-        /// <summary>
-        /// Sell order
-        /// </summary>
-        Sell
-    }
-    /// <summary>
-    /// Order status
-    /// </summary>
-    public enum CommonOrderStatus
-    {
-        /// <summary>
-        /// placed and not fully filled order
-        /// </summary>
-        Active,
-        /// <summary>
-        /// canceled order
-        /// </summary>
-        Canceled,
-        /// <summary>
-        /// filled order
-        /// </summary>
-        Filled
-    }
-    
-    /// <summary>
-    /// Position side
-    /// </summary>
-    public enum CommonPositionSide
-    {
-        /// <summary>
-        /// Long position
-        /// </summary>
-        Long,
-        /// <summary>
-        /// Short position
-        /// </summary>
-        Short,
-        /// <summary>
-        /// Both
-        /// </summary>
-        Both
-    }
-}

CryptoExchange.Net/CommonObjects/Kline.cs

@@ -1,35 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Kline data
-    /// </summary>
-    public class Kline: BaseCommonObject
-    {
-        /// <summary>
-        /// Opening time of the kline
-        /// </summary>
-        public DateTime OpenTime { get; set; }
-        /// <summary>
-        /// Price at the open time
-        /// </summary>
-        public decimal? OpenPrice { get; set; }
-        /// <summary>
-        /// Highest price of the kline
-        /// </summary>
-        public decimal? HighPrice { get; set; }
-        /// <summary>
-        /// Lowest price of the kline
-        /// </summary>
-        public decimal? LowPrice { get; set; }
-        /// <summary>
-        /// Close price of the kline
-        /// </summary>
-        public decimal? ClosePrice { get; set; }
-        /// <summary>
-        /// Volume of the kline
-        /// </summary>
-        public decimal? Volume { get; set; }
-    }
-}

CryptoExchange.Net/CommonObjects/Order.cs

@@ -1,47 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Order data
-    /// </summary>
-    public class Order: BaseCommonObject
-    {
-        /// <summary>
-        /// Id of the order
-        /// </summary>
-        public string Id { get; set; } = string.Empty;
-        /// <summary>
-        /// Symbol of the order
-        /// </summary>
-        public string Symbol { get; set; } = string.Empty;
-        /// <summary>
-        /// Price of the order
-        /// </summary>
-        public decimal? Price { get; set; }
-        /// <summary>
-        /// Quantity of the order
-        /// </summary>
-        public decimal? Quantity { get; set; }
-        /// <summary>
-        /// The quantity of the order which has been filled
-        /// </summary>
-        public decimal? QuantityFilled { get; set; }
-        /// <summary>
-        /// Status of the order
-        /// </summary>
-        public CommonOrderStatus Status { get; set; }
-        /// <summary>
-        /// Side of the order
-        /// </summary>
-        public CommonOrderSide Side { get; set; }
-        /// <summary>
-        /// Type of the order
-        /// </summary>
-        public CommonOrderType Type { get; set; }
-        /// <summary>
-        /// Order time
-        /// </summary>
-        public DateTime Timestamp { get; set; }
-    }
-}

CryptoExchange.Net/CommonObjects/OrderBook.cs

@@ -1,20 +0,0 @@
-using System;
-using System.Collections.Generic;
-
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Order book data
-    /// </summary>
-    public class OrderBook: BaseCommonObject
-    {
-        /// <summary>
-        /// List of bids
-        /// </summary>
-        public IEnumerable<OrderBookEntry> Bids { get; set; } = Array.Empty<OrderBookEntry>();
-        /// <summary>
-        /// List of asks
-        /// </summary>
-        public IEnumerable<OrderBookEntry> Asks { get; set; } = Array.Empty<OrderBookEntry>();
-    }
-}

CryptoExchange.Net/CommonObjects/OrderBookEntry.cs

@@ -1,17 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Order book entry
-    /// </summary>
-    public class OrderBookEntry
-    {
-        /// <summary>
-        /// Quantity of the entry
-        /// </summary>
-        public decimal Quantity { get; set; }
-        /// <summary>
-        /// Price of the entry
-        /// </summary>
-        public decimal Price { get; set; }
-    }
-}

CryptoExchange.Net/CommonObjects/OrderId.cs

@@ -1,13 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Id of an order
-    /// </summary>
-    public class OrderId: BaseCommonObject
-    {
-        /// <summary>
-        /// Id of an order
-        /// </summary>
-        public string Id { get; set; } = string.Empty;
-    }
-}

CryptoExchange.Net/CommonObjects/Position.cs

@@ -1,65 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Position data
-    /// </summary>
-    public class Position: BaseCommonObject
-    {
-        /// <summary>
-        /// Id of the position
-        /// </summary>
-        public string? Id { get; set; }
-        /// <summary>
-        /// Symbol of the position
-        /// </summary>
-        public string Symbol { get; set; } = string.Empty;
-        /// <summary>
-        /// Leverage
-        /// </summary>
-        public decimal Leverage { get; set; }
-        /// <summary>
-        /// Position quantity
-        /// </summary>
-        public decimal Quantity { get; set; }
-        /// <summary>
-        /// Entry price
-        /// </summary>
-        public decimal? EntryPrice { get; set; }
-        /// <summary>
-        /// Liquidation price
-        /// </summary>
-        public decimal? LiquidationPrice { get; set; }
-        /// <summary>
-        /// Unrealized profit and loss
-        /// </summary>
-        public decimal? UnrealizedPnl { get; set; }
-        /// <summary>
-        /// Realized profit and loss
-        /// </summary>
-        public decimal? RealizedPnl { get; set; }
-        /// <summary>
-        /// Mark price
-        /// </summary>
-        public decimal? MarkPrice { get; set; }
-        /// <summary>
-        /// Auto adding margin
-        /// </summary>
-        public bool? AutoMargin { get; set; }
-        /// <summary>
-        /// Position margin
-        /// </summary>
-        public decimal? PositionMargin { get; set; }
-        /// <summary>
-        /// Position side
-        /// </summary>
-        public CommonPositionSide? Side { get; set; }
-        /// <summary>
-        /// Is isolated
-        /// </summary>
-        public bool? Isolated { get; set; }
-        /// <summary>
-        /// Maintenance margin
-        /// </summary>
-        public decimal? MaintananceMargin { get; set; }
-    }
-}

CryptoExchange.Net/CommonObjects/Symbol.cs

@@ -1,33 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Symbol data
-    /// </summary>
-    public class Symbol: BaseCommonObject
-    {
-        /// <summary>
-        /// Name of the symbol
-        /// </summary>
-        public string Name { get; set; } = string.Empty;
-        /// <summary>
-        /// Minimal quantity of an order
-        /// </summary>
-        public decimal? MinTradeQuantity { get; set; }
-        /// <summary>
-        /// Step with which the quantity should increase
-        /// </summary>
-        public decimal? QuantityStep { get; set; } 
-        /// <summary>
-        /// step with which the price should increase
-        /// </summary>
-        public decimal? PriceStep { get; set; } 
-        /// <summary>
-        /// The max amount of decimals for quantity
-        /// </summary>
-        public int? QuantityDecimals { get; set; } 
-        /// <summary>
-        /// The max amount of decimal for price
-        /// </summary>
-        public int? PriceDecimals { get; set; } 
-    }
-}

CryptoExchange.Net/CommonObjects/Ticker.cs

@@ -1,33 +0,0 @@
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Ticker data
-    /// </summary>
-    public class Ticker: BaseCommonObject
-    {
-        /// <summary>
-        /// Symbol
-        /// </summary>
-        public string Symbol { get; set; } = string.Empty;
-        /// <summary>
-        /// Price 24 hours ago
-        /// </summary>
-        public decimal? Price24H { get; set; }
-        /// <summary>
-        /// Last trade price
-        /// </summary>
-        public decimal? LastPrice { get; set; }
-        /// <summary>
-        /// 24 hour low price
-        /// </summary>
-        public decimal? LowPrice { get; set; }
-        /// <summary>
-        /// 24 hour high price
-        /// </summary>
-        public decimal? HighPrice { get; set; }
-        /// <summary>
-        /// 24 hour volume
-        /// </summary>
-        public decimal? Volume { get; set; }
-    }
-}

CryptoExchange.Net/CommonObjects/Trade.cs

@@ -1,50 +0,0 @@
-using System;
-
-namespace CryptoExchange.Net.CommonObjects
-{
-    /// <summary>
-    /// Trade data
-    /// </summary>
-    public class Trade: BaseCommonObject
-    {
-        /// <summary>
-        /// Symbol of the trade
-        /// </summary>
-        public string Symbol { get; set; } = string.Empty;
-        /// <summary>
-        /// Price of the trade
-        /// </summary>
-        public decimal Price { get; set; }
-        /// <summary>
-        /// Quantity of the trade
-        /// </summary>
-        public decimal Quantity { get; set; }
-        /// <summary>
-        /// Timestamp of the trade
-        /// </summary>
-        public DateTime Timestamp { get; set; }
-    }
-
-    /// <summary>
-    /// User trade info
-    /// </summary>
-    public class UserTrade: Trade
-    {
-        /// <summary>
-        /// Id of the trade
-        /// </summary>
-        public string Id { get; set; } = string.Empty;
-        /// <summary>
-        /// Order id of the trade
-        /// </summary>
-        public string? OrderId { get; set; }
-        /// <summary>
-        /// Fee of the trade
-        /// </summary>
-        public decimal? Fee { get; set; }
-        /// <summary>
-        /// The asset the fee is paid in
-        /// </summary>
-        public string? FeeAsset { get; set; }
-    }
-}

CryptoExchange.Net/Converters/ArrayPropertyAttribute.cs

@@ -1,7 +1,7 @@
-using System;
+using System;
+
+namespace CryptoExchange.Net.Converters;
 
-namespace CryptoExchange.Net.Converters
-{
 /// <summary>
 /// Mark property as an index in the array
 /// </summary>
@@ -22,4 +22,3 @@ namespace CryptoExchange.Net.Converters
         Index = index;
     }
 }
-}

CryptoExchange.Net/Converters/JsonNet/ArrayConverter.cs

@@ -1,195 +0,0 @@
-using System;
-using System.Collections;
-using System.Collections.Concurrent;
-using System.Globalization;
-using System.Linq;
-using System.Reflection;
-using CryptoExchange.Net.Attributes;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <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>
-    public class ArrayConverter : JsonConverter
-    {
-        private static readonly ConcurrentDictionary<(MemberInfo, Type), Attribute> _attributeByMemberInfoAndTypeCache = new ConcurrentDictionary<(MemberInfo, Type), Attribute>();
-        private static readonly ConcurrentDictionary<(Type, Type), Attribute> _attributeByTypeAndTypeCache = new ConcurrentDictionary<(Type, Type), Attribute>();
-
-        /// <inheritdoc />
-        public override bool CanConvert(Type objectType)
-        {
-            return true;
-        }
-        
-        /// <inheritdoc />
-        public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
-        {
-            if (reader.TokenType == JsonToken.Null)
-                return null;
-
-            if (objectType == typeof(JToken))
-                return JToken.Load(reader);
-
-            var result = Activator.CreateInstance(objectType);
-            var arr = JArray.Load(reader);
-            return ParseObject(arr, result!, objectType);
-        }
-
-        private static object ParseObject(JArray arr, object result, Type objectType)
-        {
-            foreach (var property in objectType.GetProperties())
-            {
-                var attribute = GetCustomAttribute<ArrayPropertyAttribute>(property);
-
-                if (attribute == null)
-                    continue;
-
-                if (attribute.Index >= arr.Count)
-                    continue;
-
-                if (property.PropertyType.BaseType == typeof(Array))
-                {
-                    var objType = property.PropertyType.GetElementType();
-                    var innerArray = (JArray)arr[attribute.Index];
-                    var count = 0;
-                    if (innerArray.Count == 0)
-                    {
-                        var arrayResult = (IList)Activator.CreateInstance(property.PropertyType, new [] { 0 })!;
-                        property.SetValue(result, arrayResult);
-                    }
-                    else if (innerArray[0].Type == JTokenType.Array)
-                    {
-                        var arrayResult = (IList)Activator.CreateInstance(property.PropertyType, new [] { innerArray.Count })!;
-                        foreach (var obj in innerArray)
-                        {
-                            var innerObj = Activator.CreateInstance(objType!);
-                            arrayResult[count] = ParseObject((JArray)obj, innerObj!, objType!);
-                            count++;
-                        }
-                        property.SetValue(result, arrayResult);
-                    }
-                    else
-                    {
-                        var arrayResult = (IList)Activator.CreateInstance(property.PropertyType, new [] { 1 })!;
-                        var innerObj = Activator.CreateInstance(objType!);
-                        arrayResult[0] = ParseObject(innerArray, innerObj!, objType!);
-                        property.SetValue(result, arrayResult);
-                    }
-                    continue;
-                }
-
-                var converterAttribute = GetCustomAttribute<JsonConverterAttribute>(property) ?? GetCustomAttribute<JsonConverterAttribute>(property.PropertyType);
-                var conversionAttribute = GetCustomAttribute<JsonConversionAttribute>(property) ?? GetCustomAttribute<JsonConversionAttribute>(property.PropertyType);
-
-                object? value;
-                if (converterAttribute != null)
-                {
-                    value = arr[attribute.Index].ToObject(property.PropertyType, new JsonSerializer {Converters = {(JsonConverter) Activator.CreateInstance(converterAttribute.ConverterType)!}});
-                }
-                else if (conversionAttribute != null)
-                {
-                    value = arr[attribute.Index].ToObject(property.PropertyType);
-                }
-                else
-                {
-                    value = arr[attribute.Index];
-                }
-
-                if (value != null && property.PropertyType.IsInstanceOfType(value))
-                {
-                    property.SetValue(result, value);
-                }
-                else
-                {
-                    if (value is JToken token)
-                    {
-                        if (token.Type == JTokenType.Null)
-                            value = null;
-
-                        if (token.Type == JTokenType.Float)
-                            value = token.Value<decimal>();
-                    }
-
-                    if (value is decimal)
-                    {
-                        property.SetValue(result, value);
-                    }
-                    else if ((property.PropertyType == typeof(decimal)
-                     || property.PropertyType == typeof(decimal?))
-                     && (value != null && value.ToString()!.IndexOf("e", StringComparison.OrdinalIgnoreCase) >= 0))
-                    {
-                        var v = value.ToString();
-                        if (decimal.TryParse(v, NumberStyles.Float, CultureInfo.InvariantCulture, out var dec))
-                            property.SetValue(result, dec);
-                    }
-                    else
-                    {
-                        property.SetValue(result, value == null ? null : Convert.ChangeType(value, property.PropertyType));
-                    }
-                }
-            }
-            return result;
-        }
-
-        /// <inheritdoc />
-        public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
-        {
-            if (value == null)
-                return;
-
-            writer.WriteStartArray();
-            var props = value.GetType().GetProperties();
-            var ordered = props.OrderBy(p => GetCustomAttribute<ArrayPropertyAttribute>(p)?.Index);
-
-            var last = -1;
-            foreach (var prop in ordered)
-            {
-                var arrayProp = GetCustomAttribute<ArrayPropertyAttribute>(prop);
-                if (arrayProp == null)
-                    continue;
-
-                if (arrayProp.Index == last)
-                    continue;
-
-                while (arrayProp.Index != last + 1)
-                {
-                    writer.WriteValue((string?)null);
-                    last += 1;
-                }
-
-                last = arrayProp.Index;
-                var converterAttribute = GetCustomAttribute<JsonConverterAttribute>(prop);
-                if (converterAttribute != null)
-                    writer.WriteRawValue(JsonConvert.SerializeObject(prop.GetValue(value), (JsonConverter)Activator.CreateInstance(converterAttribute.ConverterType)!));
-                else if (!IsSimple(prop.PropertyType))
-                    serializer.Serialize(writer, prop.GetValue(value));
-                else
-                    writer.WriteValue(prop.GetValue(value));
-            }
-            writer.WriteEndArray();
-        }
-
-        private static bool IsSimple(Type type)
-        {
-            if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
-            {
-                // 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);
-        }
-
-        private static T? GetCustomAttribute<T>(MemberInfo memberInfo) where T : Attribute =>
-            (T?)_attributeByMemberInfoAndTypeCache.GetOrAdd((memberInfo, typeof(T)), tuple => memberInfo.GetCustomAttribute(typeof(T))!);
-
-        private static T? GetCustomAttribute<T>(Type type) where T : Attribute =>
-            (T?)_attributeByTypeAndTypeCache.GetOrAdd((type, typeof(T)), tuple => type.GetCustomAttribute(typeof(T))!);
-    }
-}

CryptoExchange.Net/Converters/JsonNet/BaseConverter.cs

@@ -1,98 +0,0 @@
-using System;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Linq;
-using Newtonsoft.Json;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Base class for enum converters
-    /// </summary>
-    /// <typeparam name="T">Type of enum to convert</typeparam>
-    public abstract class BaseConverter<T>: JsonConverter where T: struct
-    {
-        /// <summary>
-        /// The enum->string mapping
-        /// </summary>
-        protected abstract List<KeyValuePair<T, string>> Mapping { get; }
-        private readonly bool _quotes;
-        
-        /// <summary>
-        /// ctor
-        /// </summary>
-        /// <param name="useQuotes"></param>
-        protected BaseConverter(bool useQuotes)
-        {
-            _quotes = useQuotes;
-        }
-
-        /// <inheritdoc />
-        public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
-        {
-            var stringValue = value == null? null: GetValue((T) value);
-            if (_quotes)
-                writer.WriteValue(stringValue);
-            else
-                writer.WriteRawValue(stringValue);
-        }
-
-        /// <inheritdoc />
-        public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
-        {
-            if (reader.Value == null)
-                return null;
-
-            var stringValue = reader.Value.ToString();
-            if (string.IsNullOrWhiteSpace(stringValue))
-                return null;
-
-            if (!GetValue(stringValue, out var result))
-            {
-                Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Cannot map enum value. EnumType: {typeof(T)}, Value: {reader.Value}, Known values: {string.Join(", ", Mapping.Select(m => m.Value))}. If you think {reader.Value} should added please open an issue on the Github repo");
-                return null;
-            }
-
-            return result;
-        }
-
-        /// <summary>
-        /// Convert a string value
-        /// </summary>
-        /// <param name="data"></param>
-        /// <returns></returns>
-        public T ReadString(string data)
-        {
-            return Mapping.FirstOrDefault(v => v.Value == data).Key;
-        }
-
-        /// <inheritdoc />
-        public override bool CanConvert(Type objectType)
-        {
-            // Check if it is type, or nullable of type
-            return objectType == typeof(T) || Nullable.GetUnderlyingType(objectType) == typeof(T);
-        }
-
-        private bool GetValue(string value, out T result)
-        {
-            // 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;
-                return true;
-            }
-
-            result = default;
-            return false;
-        }
-
-        private string GetValue(T value)
-        {
-            return Mapping.FirstOrDefault(v => v.Key.Equals(value)).Value;
-        }
-    }
-}

CryptoExchange.Net/Converters/JsonNet/BigDecimalConverter.cs

@@ -1,62 +0,0 @@
-using System;
-using System.Globalization;
-using Newtonsoft.Json;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Decimal converter that handles overflowing decimal values (by setting it to decimal.MaxValue)
-    /// </summary>
-    public class BigDecimalConverter : JsonConverter
-    {
-        /// <inheritdoc />
-        public override bool CanConvert(Type objectType)
-        {
-            if (Nullable.GetUnderlyingType(objectType) != null)
-                return Nullable.GetUnderlyingType(objectType) == typeof(decimal);
-            return objectType == typeof(decimal);
-        }
-
-        /// <inheritdoc />
-        public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
-        {
-            if (reader.TokenType == JsonToken.Null)
-                return null;
-
-            if (reader.TokenType == JsonToken.Float || reader.TokenType == JsonToken.Integer)
-            {
-                try
-                {
-                    return decimal.Parse(reader.Value!.ToString()!, NumberStyles.Float, CultureInfo.InvariantCulture);
-                }
-                catch (OverflowException) 
-                {
-                    // Value doesn't fit decimal; set it to max value
-                    return decimal.MaxValue;
-                }
-            }
-
-            if (reader.TokenType == JsonToken.String)
-            {
-                try
-                {
-                    var value = reader.Value!.ToString()!;
-                    return decimal.Parse(value, NumberStyles.Float, CultureInfo.InvariantCulture);
-                }
-                catch (OverflowException)
-                {
-                    // Value doesn't fit decimal; set it to max value
-                    return decimal.MaxValue;
-                }
-            }
-
-            return null;
-        }
-
-        /// <inheritdoc />
-        public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
-        {
-            writer.WriteValue(value);
-        }
-    }
-}

CryptoExchange.Net/Converters/JsonNet/BoolConverter.cs

@@ -1,80 +0,0 @@
-using System;
-using Newtonsoft.Json;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Boolean converter with support for "0"/"1" (strings)
-    /// </summary>
-    public class BoolConverter : JsonConverter
-    {
-        /// <summary>
-        /// Determines whether this instance can convert the specified object type.
-        /// </summary>
-        /// <param name="objectType">Type of the object.</param>
-        /// <returns>
-        /// <c>true</c> if this instance can convert the specified object type; otherwise, <c>false</c>.
-        /// </returns>
-        public override bool CanConvert(Type objectType)
-        {
-            if (Nullable.GetUnderlyingType(objectType) != null)
-                return Nullable.GetUnderlyingType(objectType) == typeof(bool);
-            return objectType == typeof(bool);
-        }
-
-        /// <summary>
-        /// Reads the JSON representation of the object.
-        /// </summary>
-        /// <param name="reader">The <see cref="T:Newtonsoft.Json.JsonReader"/> to read from.</param>
-        /// <param name="objectType">Type of the object.</param>
-        /// <param name="existingValue">The existing value of object being read.</param>
-        /// <param name="serializer">The calling serializer.</param>
-        /// <returns>
-        /// The object value.
-        /// </returns>
-        public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
-        {
-            var value = reader.Value?.ToString()!.ToLower().Trim();
-            if (value == null || value == "")
-            {
-                if (Nullable.GetUnderlyingType(objectType) != null)
-                    return null;
-
-                return false;
-            }
-
-            switch (value)
-            {
-                case "true":
-                case "yes":
-                case "y":
-                case "1":
-                case "on":
-                    return true;
-                case "false":
-                case "no":
-                case "n":
-                case "0":
-                case "off":
-                case "-1":
-                    return false;
-            }
-
-            // If we reach here, we're pretty much going to throw an error so let's let Json.NET throw it's pretty-fied error message.
-            return new JsonSerializer().Deserialize(reader, objectType);
-        }
-
-        /// <summary>
-        /// Specifies that this converter will not participate in writing results.
-        /// </summary>
-        public override bool CanWrite { get { return false; } }
-
-        /// <summary>
-        /// Writes the JSON representation of the object.
-        /// </summary>
-        /// <param name="writer">The <see cref="T:Newtonsoft.Json.JsonWriter"/> to write to.</param><param name="value">The value.</param><param name="serializer">The calling serializer.</param>
-        public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
-        {
-        }
-    }
-}

CryptoExchange.Net/Converters/JsonNet/DateTimeConverter.cs

@@ -1,240 +0,0 @@
-using Newtonsoft.Json;
-using System;
-using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.Globalization;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Datetime converter. Supports converting from string/long/double to DateTime and back. Numbers are assumed to be the time since 1970-01-01.
-    /// </summary>
-    public class DateTimeConverter: JsonConverter
-    {
-        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 / 1000;
-        private const decimal _ticksPerNanosecond = TimeSpan.TicksPerMillisecond / 1000m / 1000;
-
-        /// <inheritdoc />
-        public override bool CanConvert(Type objectType)
-        {
-            return objectType == typeof(DateTime) || objectType == typeof(DateTime?);
-        }
-
-        /// <inheritdoc />
-        public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
-        {
-            if (reader.Value == null)
-            {
-                if (objectType == typeof(DateTime))
-                    return default(DateTime);
-
-                return null;
-            }
-
-            if(reader.TokenType is JsonToken.Integer)
-            {
-                var longValue = (long)reader.Value;
-                if (longValue == 0 || longValue == -1)
-                    return objectType == typeof(DateTime) ? default(DateTime): null;
-
-                return ParseFromLong(longValue);
-            }
-            else if (reader.TokenType is JsonToken.Float)
-            {
-                var doubleValue = (double)reader.Value;
-                if (doubleValue == 0 || doubleValue == -1)
-                    return objectType == typeof(DateTime) ? default(DateTime) : null;
-
-                if (doubleValue < 19999999999)
-                    return ConvertFromSeconds(doubleValue);
-                
-                return ConvertFromMilliseconds(doubleValue);
-            }
-            else if(reader.TokenType is JsonToken.String)
-            {
-                var stringValue = (string)reader.Value;
-                if (string.IsNullOrWhiteSpace(stringValue)
-                    || stringValue == "-1"
-                    || (double.TryParse(stringValue, out var doubleVal) && doubleVal == 0))
-                {
-                    return objectType == typeof(DateTime) ? default(DateTime) : null;
-                }
-
-                return ParseFromString(stringValue);
-            }
-            else if(reader.TokenType == JsonToken.Date)
-            {
-                return (DateTime)reader.Value;
-            }
-            else
-            {
-                Trace.WriteLine("{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Unknown DateTime format: " + reader.Value);
-                return default;
-            }
-        }
-
-        /// <summary>
-        /// Parse a long value to datetime
-        /// </summary>
-        /// <param name="longValue"></param>
-        /// <returns></returns>
-        public static DateTime ParseFromLong(long 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 < 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(long 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(long 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);
-
-
-        /// <inheritdoc />
-        public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
-        {
-            var datetimeValue = (DateTime?)value;
-            if (datetimeValue == null)
-                writer.WriteValue((DateTime?)null);
-            if(datetimeValue == default(DateTime))
-                writer.WriteValue((DateTime?)null);
-            else
-                writer.WriteValue((long)Math.Round(((DateTime)value! - new DateTime(1970, 1, 1)).TotalMilliseconds));
-        }
-    }
-}

CryptoExchange.Net/Converters/JsonNet/DecimalStringWriterConverter.cs

@@ -1,27 +0,0 @@
-using Newtonsoft.Json;
-using System;
-using System.Globalization;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Converter for serializing decimal values as string
-    /// </summary>
-    public class DecimalStringWriterConverter : JsonConverter
-    {
-        /// <inheritdoc />
-        public override bool CanRead => false;
-
-        /// <inheritdoc />
-        public override bool CanConvert(Type objectType) => objectType == typeof(decimal) || objectType == typeof(decimal?);
-
-        /// <inheritdoc />
-        public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
-        {
-            throw new NotImplementedException();
-        }
-
-        /// <inheritdoc />
-        public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer) => writer.WriteValue(((decimal?)value)?.ToString(CultureInfo.InvariantCulture) ?? null);
-    }
-}

CryptoExchange.Net/Converters/JsonNet/EnumConverter.cs

@@ -1,176 +0,0 @@
-using CryptoExchange.Net.Attributes;
-using Newtonsoft.Json;
-using System;
-using System.Collections.Concurrent;
-using System.Collections.Generic;
-using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.Linq;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Converter for enum values. Enums entries should be noted with a MapAttribute to map the enum value to a string value
-    /// </summary>
-    public class EnumConverter : JsonConverter
-    {
-        private bool _warnOnMissingEntry = true;
-        private bool _writeAsInt;
-
-        /// <summary>
-        /// </summary>
-        public EnumConverter() { }
-
-        /// <summary>
-        /// </summary>
-        /// <param name="writeAsInt"></param>
-        /// <param name="warnOnMissingEntry"></param>
-        public EnumConverter(bool writeAsInt, bool warnOnMissingEntry)
-        {
-            _writeAsInt = writeAsInt;
-            _warnOnMissingEntry = warnOnMissingEntry;
-        }   
-
-        private static readonly ConcurrentDictionary<Type, List<KeyValuePair<object, string>>> _mapping = new();
-
-        /// <inheritdoc />
-        public override bool CanConvert(Type objectType)
-        {
-            return objectType.IsEnum || Nullable.GetUnderlyingType(objectType)?.IsEnum == true;
-        }
-
-        /// <inheritdoc />
-        public override object? ReadJson(JsonReader reader, Type objectType, object? existingValue, JsonSerializer serializer)
-        {
-            var enumType = Nullable.GetUnderlyingType(objectType) ?? objectType;
-            if (!_mapping.TryGetValue(enumType, out var mapping))
-                mapping = AddMapping(enumType);
-
-            var stringValue = reader.Value?.ToString();
-            if (stringValue == null || stringValue == "")
-            {
-                // Received null value
-                var emptyResult = GetDefaultValue(objectType, enumType);
-                if(emptyResult != null)
-                    // If the property we're parsing to isn't nullable there isn't a correct way to return this as null will either throw an exception (.net framework) or the default enum value (dotnet core).
-                    Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Received null enum value, but property type is not a nullable enum. EnumType: {enumType.Name}. If you think {enumType.Name} should be nullable please open an issue on the Github repo");
-
-                return emptyResult;
-            }
-
-            if (!GetValue(enumType, mapping, stringValue!, out var result))
-            {
-                var defaultValue = GetDefaultValue(objectType, enumType);
-                if (string.IsNullOrWhiteSpace(stringValue))
-                {
-                    if (defaultValue != null)
-                        // We received an empty string and have no mapping for it, and the property isn't nullable
-                        Trace.WriteLine($"{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: {enumType.Name}. If you think {enumType.Name} should be nullable please open an issue on the Github repo");
-                }
-                else
-                {
-                    // We received an enum value but weren't able to parse it.
-                    if (_warnOnMissingEntry)
-                        Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Cannot map enum value. EnumType: {enumType.Name}, Value: {reader.Value}, Known values: {string.Join(", ", mapping.Select(m => m.Value))}. If you think {reader.Value} should added please open an issue on the Github repo");
-                }
-            
-                return defaultValue;
-            }
-
-            return result;
-        }
-
-        private static object? GetDefaultValue(Type objectType, Type enumType)
-        {
-            if (Nullable.GetUnderlyingType(objectType) != null)
-                return null;
-
-            return Activator.CreateInstance(enumType); // return default value
-        }
-
-        private static List<KeyValuePair<object, string>> AddMapping(Type objectType) 
-        {
-            var mapping = new List<KeyValuePair<object, string>>();
-            var enumMembers = objectType.GetMembers();
-            foreach (var member in enumMembers)
-            {
-                var maps = member.GetCustomAttributes(typeof(MapAttribute), false);
-                foreach (MapAttribute attribute in maps)
-                {
-                    foreach (var value in attribute.Values)
-                        mapping.Add(new KeyValuePair<object, string>(Enum.Parse(objectType, member.Name), value));
-                }
-            }
-            _mapping.TryAdd(objectType, mapping);
-            return mapping;
-        }
-
-        private static bool GetValue(Type objectType, List<KeyValuePair<object, string>> enumMapping, string value, out object? result)
-        {
-            // Check for exact match first, then if not found fallback to a case insensitive match 
-            var mapping = enumMapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCulture));
-            if (mapping.Equals(default(KeyValuePair<object, string>)))
-                mapping = enumMapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCultureIgnoreCase));
-
-            if (!mapping.Equals(default(KeyValuePair<object, string>)))
-            {
-                result = mapping.Key;
-                return true;
-            }
-
-            try
-            {
-                // If no explicit mapping is found try to parse string
-                result = Enum.Parse(objectType, value, true);
-                return true;
-            }
-            catch (Exception)
-            {
-                result = default;
-                return false;
-            }
-        }
-
-        /// <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>
-        /// <typeparam name="T"></typeparam>
-        /// <param name="enumValue"></param>
-        /// <returns></returns>
-        [return: NotNullIfNotNull("enumValue")]
-        public static string? GetString<T>(T enumValue) => GetString(typeof(T), enumValue);     
-        
-
-        [return: NotNullIfNotNull("enumValue")]
-        private static string? GetString(Type objectType, object? enumValue)
-        {
-            objectType = Nullable.GetUnderlyingType(objectType) ?? objectType;
-
-            if (!_mapping.TryGetValue(objectType, out var mapping))
-                mapping = AddMapping(objectType);
-
-            return enumValue == null ? null : (mapping.FirstOrDefault(v => v.Key.Equals(enumValue)).Value ?? enumValue.ToString());
-        }
-
-        /// <inheritdoc />
-        public override void WriteJson(JsonWriter writer, object? value, JsonSerializer serializer)
-        {
-            if (value == null)
-            {
-                writer.WriteNull();
-            }
-            else
-            {
-                if (!_writeAsInt)
-                {
-                    var stringValue = GetString(value.GetType(), value);
-                    writer.WriteValue(stringValue);
-                }
-                else
-                {
-                    writer.WriteValue((int)value);
-                }
-            }
-        }
-    }
-}

CryptoExchange.Net/Converters/JsonNet/JsonNetMessageAccessor.cs

@@ -1,338 +0,0 @@
-using CryptoExchange.Net.Converters.MessageParsing;
-using CryptoExchange.Net.Interfaces;
-using CryptoExchange.Net.Objects;
-using Newtonsoft.Json;
-using Newtonsoft.Json.Linq;
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Runtime.InteropServices;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Json.Net message accessor
-    /// </summary>
-    public abstract class JsonNetMessageAccessor : IMessageAccessor
-    {
-        /// <summary>
-        /// The json token loaded
-        /// </summary>
-        protected JToken? _token;
-        private static readonly JsonSerializer _serializer = JsonSerializer.Create(SerializerOptions.WithConverters);
-
-        /// <inheritdoc />
-        public bool IsJson { get; protected set; }
-
-        /// <inheritdoc />
-        public abstract bool OriginalDataAvailable { get; }
-
-        /// <inheritdoc />
-        public object? Underlying => _token;
-
-        /// <inheritdoc />
-        public CallResult<object> Deserialize(Type type, MessagePath? path = null)
-        {
-            if (!IsJson)
-                return new CallResult<object>(GetOriginalString());
-
-            var source = _token;
-            if (path != null)
-                source = GetPathNode(path.Value);
-
-            try
-            {
-                var result = source!.ToObject(type, _serializer)!;
-                return new CallResult<object>(result);
-            }
-            catch (JsonReaderException jre)
-            {
-                var info = $"Deserialize JsonReaderException: {jre.Message}, Path: {jre.Path}, LineNumber: {jre.LineNumber}, LinePosition: {jre.LinePosition}";
-                return new CallResult<object>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
-            }
-            catch (JsonSerializationException jse)
-            {
-                var info = $"Deserialize JsonSerializationException: {jse.Message}";
-                return new CallResult<object>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
-            }
-            catch (Exception ex)
-            {
-                var exceptionInfo = ex.ToLogString();
-                var info = $"Deserialize Unknown Exception: {exceptionInfo}";
-                return new CallResult<object>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
-            }
-        }
-
-        /// <inheritdoc />
-        public CallResult<T> Deserialize<T>(MessagePath? path = null)
-        {
-            var source = _token;
-            if (path != null)
-                source = GetPathNode(path.Value);
-
-            try
-            {
-                var result = source!.ToObject<T>(_serializer)!;
-                return new CallResult<T>(result);
-            }
-            catch (JsonReaderException jre)
-            {
-                var info = $"Deserialize JsonReaderException: {jre.Message}, Path: {jre.Path}, LineNumber: {jre.LineNumber}, LinePosition: {jre.LinePosition}";
-                return new CallResult<T>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
-            }
-            catch (JsonSerializationException jse)
-            {
-                var info = $"Deserialize JsonSerializationException: {jse.Message}";
-                return new CallResult<T>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
-            }
-            catch (Exception ex)
-            {
-                var exceptionInfo = ex.ToLogString();
-                var info = $"Deserialize Unknown Exception: {exceptionInfo}";
-                return new CallResult<T>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
-            }
-        }
-
-        /// <inheritdoc />
-        public NodeType? GetNodeType()
-        {
-            if (!IsJson)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            if (_token == null)
-                return null;
-
-            if (_token.Type == JTokenType.Object)
-                return NodeType.Object;
-
-            if (_token.Type == JTokenType.Array)
-                return NodeType.Array;
-
-            return NodeType.Value;
-        }
-
-        /// <inheritdoc />
-        public NodeType? GetNodeType(MessagePath path)
-        {
-            if (!IsJson)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            var node = GetPathNode(path);
-            if (node == null)
-                return null;
-
-            if (node.Type == JTokenType.Object)
-                return NodeType.Object;
-
-            if (node.Type == JTokenType.Array)
-                return NodeType.Array;
-
-            return NodeType.Value;
-        }
-
-        /// <inheritdoc />
-        public T? GetValue<T>(MessagePath path)
-        {
-            if (!IsJson)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            var value = GetPathNode(path);
-            if (value == null)
-                return default;
-
-            if (value.Type == JTokenType.Object || value.Type == JTokenType.Array)
-                return default;
-
-            return value!.Value<T>();
-        }
-
-        /// <inheritdoc />
-        public List<T?>? GetValues<T>(MessagePath path)
-        {
-            if (!IsJson)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            var value = GetPathNode(path);
-            if (value == null)
-                return default;
-
-            if (value.Type == JTokenType.Object)
-                return default;
-
-            return value!.Values<T>().ToList();
-        }
-
-        private JToken? GetPathNode(MessagePath path)
-        {
-            if (!IsJson)
-                throw new InvalidOperationException("Can't access json data on non-json message");
-
-            var currentToken = _token;
-            foreach (var node in path)
-            {
-                if (node.Type == 0)
-                {
-                    // Int value
-                    var val = node.Index!.Value;
-                    if (currentToken!.Type != JTokenType.Array || ((JArray)currentToken).Count <= val)
-                        return null;
-
-                    currentToken = currentToken[val];
-                }
-                else if (node.Type == 1)
-                {
-                    // String value
-                    if (currentToken!.Type != JTokenType.Object)
-                        return null;
-
-                    currentToken = currentToken[node.Property!];
-                }
-                else
-                {
-                    // Property name
-                    if (currentToken!.Type != JTokenType.Object)
-                        return null;
-
-                    currentToken = (currentToken.First as JProperty)?.Name;
-                }
-
-                if (currentToken == null)
-                    return null;
-            }
-
-            return currentToken;
-        }
-
-        /// <inheritdoc />
-        public abstract string GetOriginalString();
-
-        /// <inheritdoc />
-        public abstract void Clear();
-    }
-
-    /// <summary>
-    /// Json.Net stream message accessor
-    /// </summary>
-    public class JsonNetStreamMessageAccessor : JsonNetMessageAccessor, IStreamMessageAccessor
-    {
-        private Stream? _stream;
-
-        /// <inheritdoc />
-        public override bool OriginalDataAvailable => _stream?.CanSeek == true;
-
-        /// <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
-            }
-
-            var readStream = _stream ?? stream;
-            var length = readStream.CanSeek ? readStream.Length : 4096;
-            using var reader = new StreamReader(readStream, Encoding.UTF8, false, (int)Math.Max(2, length), true);
-            using var jsonTextReader = new JsonTextReader(reader);
-
-            try
-            {
-                _token = await JToken.LoadAsync(jsonTextReader).ConfigureAwait(false);
-                IsJson = true;
-                return new CallResult(null);
-            }
-            catch (Exception ex)
-            {
-                // Not a json message
-                IsJson = false;
-                return new CallResult(new ServerError("JsonError: " + ex.Message));
-            }
-
-        }
-        /// <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;
-            _token = null;
-        }
-
-    }
-
-    /// <summary>
-    /// Json.Net byte message accessor
-    /// </summary>
-    public class JsonNetByteMessageAccessor : JsonNetMessageAccessor, IByteMessageAccessor
-    {
-        private ReadOnlyMemory<byte> _bytes;
-
-        /// <inheritdoc />
-        public CallResult Read(ReadOnlyMemory<byte> data)
-        {
-            _bytes = data;
-
-            // Try getting the underlying byte[] instead of the ToArray to prevent creating a copy
-            using var stream = MemoryMarshal.TryGetArray(data, out var arraySegment)
-                ? new MemoryStream(arraySegment.Array!, arraySegment.Offset, arraySegment.Count)
-                : new MemoryStream(data.ToArray());
-            using var reader = new StreamReader(stream, Encoding.UTF8, false, Math.Max(2, data.Length), true);
-            using var jsonTextReader = new JsonTextReader(reader);
-
-            try
-            {
-                _token = JToken.Load(jsonTextReader);
-                IsJson = true;
-                return new CallResult(null);
-            }
-            catch (Exception ex)
-            {
-                // Not a json message
-                IsJson = false;
-                return new CallResult(new ServerError("JsonError: " + ex.Message));
-            }
-        }
-
-        /// <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;
-            _token = null;
-        }
-    }
-}

CryptoExchange.Net/Converters/JsonNet/JsonNetMessageSerializer.cs

@@ -1,12 +0,0 @@
-using CryptoExchange.Net.Interfaces;
-using Newtonsoft.Json;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <inheritdoc />
-    public class JsonNetMessageSerializer : IMessageSerializer
-    {
-        /// <inheritdoc />
-        public string Serialize(object message) => JsonConvert.SerializeObject(message, Formatting.None);
-    }
-}

CryptoExchange.Net/Converters/JsonNet/SerializerOptions.cs

@@ -1,35 +0,0 @@
-using Newtonsoft.Json;
-using System.Globalization;
-
-namespace CryptoExchange.Net.Converters.JsonNet
-{
-    /// <summary>
-    /// Serializer options
-    /// </summary>
-    public static class SerializerOptions
-    {
-        /// <summary>
-        /// Json serializer settings which includes the EnumConverter, DateTimeConverter and BoolConverter
-        /// </summary>
-        public static JsonSerializerSettings WithConverters => new JsonSerializerSettings
-        {
-            DateTimeZoneHandling = DateTimeZoneHandling.Utc,
-            Culture = CultureInfo.InvariantCulture,
-            Converters =
-            {
-                new EnumConverter(),
-                new DateTimeConverter(),
-                new BoolConverter()
-            }
-        };
-
-        /// <summary>
-        /// Default json serializer settings
-        /// </summary>
-        public static JsonSerializerSettings Default => new JsonSerializerSettings
-        {
-            DateTimeZoneHandling = DateTimeZoneHandling.Utc,
-            Culture = CultureInfo.InvariantCulture
-        };
-    }
-}

CryptoExchange.Net/Converters/JsonSerializerContextCache.cs

@@ -0,0 +1,28 @@
+using System;
+using System.Collections.Concurrent;
+using System.Text.Json.Serialization;
+
+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.
+    /// </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/MessageNode.cs

@@ -1,9 +1,9 @@
-namespace CryptoExchange.Net.Converters.MessageParsing
+namespace CryptoExchange.Net.Converters.MessageParsing;
-{
+
 /// <summary>
 /// Node accessor
 /// </summary>
-    public struct NodeAccessor
+public readonly struct NodeAccessor
 {
     /// <summary>
     /// Index
@@ -46,4 +46,3 @@
     /// <returns></returns>
     public static NodeAccessor PropertyName() { return new NodeAccessor(null, null, 2); }
 }
-}

CryptoExchange.Net/Converters/MessageParsing/MessagePath.cs

@@ -1,14 +1,14 @@
-using System.Collections;
+using System.Collections;
 using System.Collections.Generic;
 
-namespace CryptoExchange.Net.Converters.MessageParsing
+namespace CryptoExchange.Net.Converters.MessageParsing;
-{
+
 /// <summary>
 /// Message access definition
 /// </summary>
-    public struct MessagePath : IEnumerable<NodeAccessor>
+public readonly struct MessagePath : IEnumerable<NodeAccessor>
 {
-        private List<NodeAccessor> _path;
+    private readonly List<NodeAccessor> _path;
 
     internal void Add(NodeAccessor node)
     {
@@ -47,4 +47,3 @@ namespace CryptoExchange.Net.Converters.MessageParsing
         return GetEnumerator();
     }
 }
-}

CryptoExchange.Net/Converters/MessageParsing/MessagePathExtension.cs

@@ -1,5 +1,5 @@
-namespace CryptoExchange.Net.Converters.MessageParsing
+namespace CryptoExchange.Net.Converters.MessageParsing;
-{
+
 /// <summary>
 /// Message path extension methods
 /// </summary>
@@ -40,4 +40,3 @@
         return path;
     }
 }
-}

CryptoExchange.Net/Converters/MessageParsing/NodeType.cs

@@ -1,5 +1,5 @@
-namespace CryptoExchange.Net.Converters.MessageParsing
+namespace CryptoExchange.Net.Converters.MessageParsing;
-{
+
 /// <summary>
 /// Message node type
 /// </summary>
@@ -18,4 +18,3 @@
     /// </summary>
     Value
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/ArrayConverter.cs

@@ -1,45 +1,34 @@
-using System;
+using System;
-using System.Collections.Concurrent;
 using System.Globalization;
 using System.Linq;
 using System.Reflection;
 using System.Text.Json.Serialization;
 using System.Text.Json;
-using CryptoExchange.Net.Attributes;
 using System.Collections.Generic;
+#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>
-    public class ArrayConverter : JsonConverterFactory
+#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
 {
-        /// <inheritdoc />
+    private static readonly Lazy<List<ArrayPropertyInfo>> _typePropertyInfo = new Lazy<List<ArrayPropertyInfo>>(CacheTypeAttributes, LazyThreadSafetyMode.PublicationOnly);
-        public override bool CanConvert(Type typeToConvert) => true;
     
     /// <inheritdoc />
-        public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+#if NET5_0_OR_GREATER
-        {
+    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-            Type converterType = typeof(ArrayConverterInner<>).MakeGenericType(typeToConvert);
+    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-            return (JsonConverter)Activator.CreateInstance(converterType)!;
+#endif
-        }
-
-        private class ArrayPropertyInfo
-        {
-            public PropertyInfo PropertyInfo { get; set; } = null!;
-            public ArrayPropertyAttribute ArrayProperty { get; set; } = null!;
-            public Type? JsonConverterType { get; set; }
-            public bool DefaultDeserialization { get; set; }
-            public Type TargetType { get; set; } = null!;
-        }
-
-        private class ArrayConverterInner<T> : JsonConverter<T>
-        {
-            private static readonly ConcurrentDictionary<Type, List<ArrayPropertyInfo>> _typeAttributesCache = new ConcurrentDictionary<Type, List<ArrayPropertyInfo>>();
-            private static readonly ConcurrentDictionary<Type, JsonSerializerOptions> _converterOptionsCache = new ConcurrentDictionary<Type, JsonSerializerOptions>();
-
     public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
     {
         if (value == null)
@@ -50,11 +39,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 
         writer.WriteStartArray();
 
-                var valueType = value.GetType();
+        var ordered = _typePropertyInfo.Value.Where(x => x.ArrayProperty != null).OrderBy(p => p.ArrayProperty.Index);
-                if (!_typeAttributesCache.TryGetValue(valueType, out var typeAttributes))
-                    typeAttributes = CacheTypeAttributes(valueType);
-
-                var ordered = typeAttributes.Where(x => x.ArrayProperty != null).OrderBy(p => p.ArrayProperty.Index);
         var last = -1;
         foreach (var prop in ordered)
         {
@@ -77,18 +62,23 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             }
 
             JsonSerializerOptions? typeOptions = null;
-                    if (prop.JsonConverterType != null)
+            if (prop.JsonConverter != null)
             {
-                        var converter = (JsonConverter)Activator.CreateInstance(prop.JsonConverterType)!;
+                typeOptions = new JsonSerializerOptions
-                        typeOptions = new JsonSerializerOptions();
+                {
-                        typeOptions.Converters.Clear();
+                    NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
-                        typeOptions.Converters.Add(converter);
+                    PropertyNameCaseInsensitive = false,
+                    TypeInfoResolver = options.TypeInfoResolver,
+                };
+                typeOptions.Converters.Add(prop.JsonConverter);
             }
 
-                    if (prop.JsonConverterType == null && IsSimple(prop.PropertyInfo.PropertyType))
+            if (prop.JsonConverter == null && IsSimple(prop.PropertyInfo.PropertyType))
             {
-                        if (prop.PropertyInfo.PropertyType == typeof(string))
+                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)!);
             }
@@ -107,62 +97,29 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         if (reader.TokenType == JsonTokenType.Null)
             return default;
 
-                var result = Activator.CreateInstance(typeToConvert)!;
+        var result = new T();
-                return (T)ParseObject(ref reader, result, typeToConvert, options);
+        return ParseObject(ref reader, result, options);
     }
 
-            private static bool IsSimple(Type type)
-            {
-                if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
-                {
-                    // 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);
-            }
 
-            private static List<ArrayPropertyInfo> CacheTypeAttributes(Type type)
+#if NET5_0_OR_GREATER
-            {
+    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-                var attributes = new List<ArrayPropertyInfo>();
+    [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-                var properties = type.GetProperties();
+    private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
-                foreach (var property in properties)
+#else
-                {
+    private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
-                    var att = property.GetCustomAttribute<ArrayPropertyAttribute>();
+#endif
-                    if (att == null)
-                        continue;
-
-                    attributes.Add(new ArrayPropertyInfo
-                    {
-                        ArrayProperty = att,
-                        PropertyInfo = property,
-                        DefaultDeserialization = property.GetCustomAttribute<JsonConversionAttribute>() != null,
-                        JsonConverterType = property.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType ?? property.PropertyType.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType,
-                        TargetType = Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType
-                    });
-                }
-
-                _typeAttributesCache.TryAdd(type, attributes);
-                return attributes;
-            }
-
-            private static object ParseObject(ref Utf8JsonReader reader, object result, Type objectType, JsonSerializerOptions options)
     {
         if (reader.TokenType != JsonTokenType.StartArray)
             throw new Exception("Not an array");
 
-                if (!_typeAttributesCache.TryGetValue(objectType, out var attributes))
-                    attributes = CacheTypeAttributes(objectType);
-
         int index = 0;
         while (reader.Read())
         {
             if (reader.TokenType == JsonTokenType.EndArray)
                 break;
 
-                    var indexAttributes = attributes.Where(a => a.ArrayProperty.Index == index);
+            var indexAttributes = _typePropertyInfo.Value.Where(a => a.ArrayProperty.Index == index);
             if (!indexAttributes.Any())
             {
                 index++;
@@ -173,26 +130,25 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             {
                 var targetType = attribute.TargetType;
                 object? value = null;
-                        if (attribute.JsonConverterType != null)
+                if (attribute.JsonConverter != null)
                 {
-                            if (!_converterOptionsCache.TryGetValue(attribute.JsonConverterType, out var newOptions))
+                    if (attribute.JsonSerializerOptions == null)
                     {
-                                var converter = (JsonConverter)Activator.CreateInstance(attribute.JsonConverterType)!;
+                        attribute.JsonSerializerOptions = new JsonSerializerOptions
-                                newOptions = new JsonSerializerOptions
                         {
-                                    NumberHandling = SerializerOptions.WithConverters.NumberHandling,
+                            NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
-                                    PropertyNameCaseInsensitive = SerializerOptions.WithConverters.PropertyNameCaseInsensitive,
+                            PropertyNameCaseInsensitive = false,
-                                    Converters = { converter },
+                            Converters = { attribute.JsonConverter },
+                            TypeInfoResolver = options.TypeInfoResolver,
                         };
-                                _converterOptionsCache.TryAdd(attribute.JsonConverterType, newOptions);
                     }
 
-                            value = JsonDocument.ParseValue(ref reader).Deserialize(targetType, newOptions);
+                    var doc = JsonDocument.ParseValue(ref reader);
+                    value = doc.Deserialize(attribute.PropertyInfo.PropertyType, attribute.JsonSerializerOptions);
                 }
                 else if (attribute.DefaultDeserialization)
                 {
-                            // Use default deserialization
+                    value = JsonDocument.ParseValue(ref reader).Deserialize(options.GetTypeInfo(attribute.PropertyInfo.PropertyType));
-                            value = JsonDocument.ParseValue(ref reader).Deserialize(targetType, options);
                 }
                 else
                 {
@@ -219,6 +175,58 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 
         return result;
     }
-        }
+
+    private static bool IsSimple(Type type)
+    {
+        if (type.IsGenericType && type.GetGenericTypeDefinition() == typeof(Nullable<>))
+        {
+            // 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);
+    }
+
+#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 List<ArrayPropertyInfo> CacheTypeAttributes()
+#else
+    private static List<ArrayPropertyInfo> CacheTypeAttributes()
+#endif
+    {
+        var attributes = new List<ArrayPropertyInfo>();
+        var properties = typeof(T).GetProperties();
+        foreach (var property in properties)
+        {
+            var att = property.GetCustomAttribute<ArrayPropertyAttribute>();
+            if (att == null)
+                continue;
+
+            var targetType = Nullable.GetUnderlyingType(property.PropertyType) ?? property.PropertyType;
+            var converterType = property.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType ?? targetType.GetCustomAttribute<JsonConverterAttribute>()?.ConverterType;
+            attributes.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 attributes;
+    }
+
+    private class ArrayPropertyInfo
+    {
+        public PropertyInfo PropertyInfo { get; set; } = null!;
+        public ArrayPropertyAttribute ArrayProperty { get; set; } = null!;
+        public JsonConverter? JsonConverter { get; set; }
+        public bool DefaultDeserialization { get; set; }
+        public Type TargetType { get; set; } = null!;
+        public JsonSerializerOptions? JsonSerializerOptions { get; set; }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/BigDecimalConverter.cs

@@ -1,10 +1,10 @@
-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>
@@ -43,4 +43,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         writer.WriteNumberValue(value);
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/BoolConverter.cs

@@ -1,11 +1,11 @@
-using System;
+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>
@@ -20,8 +20,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     /// <inheritdoc />
     public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
     {
-            Type converterType = typeof(BoolConverterInner<>).MakeGenericType(typeToConvert);
+        return typeToConvert == typeof(bool) ? new BoolConverterInner<bool>() : new BoolConverterInner<bool?>();
-            return (JsonConverter)Activator.CreateInstance(converterType)!;
     }
 
     private class BoolConverterInner<T> : JsonConverter<T>
@@ -29,7 +28,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
             => (T)((object?)ReadBool(ref reader, typeToConvert, options) ?? default(T))!;
         
-            public bool? ReadBool(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        public static bool? ReadBool(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
             if (reader.TokenType == JsonTokenType.True)
                 return true;
@@ -82,4 +81,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     }
 
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/CommaSplitEnumConverter.cs

@@ -1,27 +1,36 @@
-using System;
+using System;
-using System.Collections.Generic;
+#if NET5_0_OR_GREATER
+using System.Diagnostics.CodeAnalysis;
+#endif
 using System.Linq;
-using System.Text;
 using System.Text.Json;
 using System.Text.Json.Serialization;
 
-namespace CryptoExchange.Net.Converters.SystemTextJson
+namespace CryptoExchange.Net.Converters.SystemTextJson;
-{
+
 /// <summary>
-    /// Converter for comma seperated enum values
+/// Converter for comma separated enum values
 /// </summary>
-    public class CommaSplitEnumConverter<T> : JsonConverter<IEnumerable<T>> where T : Enum
+#if NET5_0_OR_GREATER
+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
+#endif
+
 {
     /// <inheritdoc />
-        public override IEnumerable<T>? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    public override T[]? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
     {
-            return (reader.GetString()?.Split(',').Select(x => EnumConverter.ParseString<T>(x)).ToArray() ?? new T[0])!;
+        var str = reader.GetString();
+        if (string.IsNullOrEmpty(str))
+            return [];
+
+        return str!.Split(',').Select(x => (T)EnumConverter.ParseString<T>(x)!).ToArray() ?? [];
     }
 
     /// <inheritdoc />
-        public override void Write(Utf8JsonWriter writer, IEnumerable<T> value, JsonSerializerOptions options)
+    public override void Write(Utf8JsonWriter writer, T[] value, JsonSerializerOptions options)
     {
         writer.WriteStringValue(string.Join(",", value.Select(x => EnumConverter.GetString(x))));
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/DateTimeConverter.cs

@@ -1,12 +1,12 @@
-using System;
+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>
@@ -26,8 +26,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     /// <inheritdoc />
     public override JsonConverter CreateConverter(Type typeToConvert, JsonSerializerOptions options)
     {
-            Type converterType = typeof(DateTimeConverterInner<>).MakeGenericType(typeToConvert);
+        return typeToConvert == typeof(DateTime) ? new DateTimeConverterInner<DateTime>() : new DateTimeConverterInner<DateTime?>();
-            return (JsonConverter)Activator.CreateInstance(converterType)!;
     }
 
     private class DateTimeConverterInner<T> : JsonConverter<T>
@@ -35,7 +34,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
             => (T)((object?)ReadDateTime(ref reader, typeToConvert, options) ?? default(T))!;
 
-            private DateTime? ReadDateTime(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+        private static DateTime? ReadDateTime(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
             if (reader.TokenType == JsonTokenType.Null)
             {
@@ -47,7 +46,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             if (reader.TokenType is JsonTokenType.Number)
             {
                 var longValue = reader.GetDouble();
-                    if (longValue == 0 || longValue == -1)
+                if (longValue == 0 || longValue < 0)
                     return default;
 
                 return ParseFromDouble(longValue);
@@ -240,4 +239,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     [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

@@ -1,10 +1,9 @@
-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
 /// </summary>
@@ -19,22 +18,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         if (reader.TokenType == JsonTokenType.String)
         {
             var value = reader.GetString();
-                if (string.IsNullOrEmpty(value) || string.Equals("null", value, StringComparison.OrdinalIgnoreCase))
+            return ExchangeHelpers.ParseDecimal(value);
-                    return null;
-
-                if (string.Equals("Infinity", value, StringComparison.Ordinal))
-                    // Infinity returned by the server, default to max value
-                    return decimal.MaxValue;
-
-                try
-                {
-                    return decimal.Parse(value, NumberStyles.Float, CultureInfo.InvariantCulture);
-                }
-                catch(OverflowException)
-                {
-                    // Value doesn't fit decimal, default to max value
-                    return decimal.MaxValue;
-                }
         }
 
         try
@@ -57,4 +41,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             writer.WriteNumberValue(value.Value);
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/DecimalStringWriterConverter.cs

@@ -1,10 +1,10 @@
-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>
@@ -20,4 +20,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     public override void Write(Utf8JsonWriter writer, decimal value, JsonSerializerOptions options)
         => writer.WriteStringValue(value.ToString(CultureInfo.InvariantCulture) ?? null);
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/EmptyArrayObjectConverter.cs

@@ -1,37 +0,0 @@
-using System;
-using System.Text.Json;
-using System.Text.Json.Serialization;
-
-namespace CryptoExchange.Net.Converters.SystemTextJson
-{
-    /// <summary>
-    /// Converter mapping to an object but also handles when an empty array is send
-    /// </summary>
-    /// <typeparam name="T"></typeparam>
-    public class EmptyArrayObjectConverter<T> : JsonConverter<T>
-    {
-        private static JsonSerializerOptions _defaultConverter = SerializerOptions.WithConverters;
-
-        /// <inheritdoc />
-        public override T? Read(
-            ref Utf8JsonReader reader,
-            Type typeToConvert,
-            JsonSerializerOptions options)
-        {
-            switch (reader.TokenType)
-            {
-                case JsonTokenType.StartArray:
-                    _ = JsonSerializer.Deserialize<object[]>(ref reader, options);
-                    return default;
-                case JsonTokenType.StartObject:
-                    return JsonSerializer.Deserialize<T>(ref reader, _defaultConverter);
-            };
-
-            return default;
-        }
-
-        /// <inheritdoc />
-        public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
-            => JsonSerializer.Serialize(writer, (object?)value, options);
-    }
-}

CryptoExchange.Net/Converters/SystemTextJson/EnumConverter.cs

@@ -1,4 +1,4 @@
-using CryptoExchange.Net.Attributes;
+using CryptoExchange.Net.Attributes;
 using System;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -9,129 +9,80 @@ 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
+    /// </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);
+
+    /// <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>
-    public class EnumConverter : JsonConverterFactory
+#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 bool _warnOnMissingEntry = true;
+    private static List<KeyValuePair<T, string>>? _mapping;
-        private bool _writeAsInt;
+    private NullableEnumConverter? _nullableEnumConverter;
-        private static readonly ConcurrentDictionary<Type, List<KeyValuePair<object, string>>> _mapping = new();
 
-        /// <summary>
+    private static ConcurrentBag<string> _unknownValuesWarned = new ConcurrentBag<string>();
-        /// </summary>
-        public EnumConverter() { }
 
-        /// <summary>
+    internal class NullableEnumConverter : JsonConverter<T?>
-        /// </summary>
-        /// <param name="writeAsInt"></param>
-        /// <param name="warnOnMissingEntry"></param>
-        public EnumConverter(bool writeAsInt, bool warnOnMissingEntry)
     {
-            _writeAsInt = writeAsInt;
+        private readonly EnumConverter<T> _enumConverter;
-            _warnOnMissingEntry = warnOnMissingEntry;
+
+        public NullableEnumConverter(EnumConverter<T> enumConverter)
+        {
+            _enumConverter = enumConverter;
         }
-
-        /// <inheritdoc />
-        public override bool CanConvert(Type typeToConvert)
-        {
-            return typeToConvert.IsEnum || Nullable.GetUnderlyingType(typeToConvert)?.IsEnum == true;
-        }
-
-        /// <inheritdoc />
-        public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
-        {
-            JsonConverter converter = (JsonConverter)Activator.CreateInstance(
-                typeof(EnumConverterInner<>).MakeGenericType(
-                    new Type[] { typeToConvert }),
-                BindingFlags.Instance | BindingFlags.Public,
-                binder: null,
-                args: new object[] { _writeAsInt, _warnOnMissingEntry },
-                culture: null)!;
-
-            return converter;
-        }
-
-        private static List<KeyValuePair<object, string>> AddMapping(Type objectType)
-        {
-            var mapping = new List<KeyValuePair<object, string>>();
-            var enumMembers = objectType.GetMembers();
-            foreach (var member in enumMembers)
-            {
-                var maps = member.GetCustomAttributes(typeof(MapAttribute), false);
-                foreach (MapAttribute attribute in maps)
-                {
-                    foreach (var value in attribute.Values)
-                        mapping.Add(new KeyValuePair<object, string>(Enum.Parse(objectType, member.Name), value));
-                }
-            }
-            _mapping.TryAdd(objectType, mapping);
-            return mapping;
-        }
-
-        private class EnumConverterInner<T> : JsonConverter<T>
-        {
-            private bool _warnOnMissingEntry = true;
-            private bool _writeAsInt;
-
-            public EnumConverterInner(bool writeAsInt, bool warnOnMissingEntry)
-            {
-                _warnOnMissingEntry = warnOnMissingEntry;
-                _writeAsInt = writeAsInt;
-            }
-
         public override T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
         {
-                var enumType = Nullable.GetUnderlyingType(typeToConvert) ?? typeToConvert;
+            return EnumConverter<T>.ReadNullable(ref reader, typeToConvert, options, out var isEmptyString, out var warn);
-                if (!_mapping.TryGetValue(enumType, out var mapping))
-                    mapping = AddMapping(enumType);
-
-                var stringValue = reader.TokenType switch
-                {
-                    JsonTokenType.String => reader.GetString(),
-                    JsonTokenType.Number => reader.GetInt16().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))
-                {
-                    // Received null value
-                    var emptyResult = GetDefaultValue(typeToConvert, enumType);
-                    if (emptyResult != null)
-                        // If the property we're parsing to isn't nullable there isn't a correct way to return this as null will either throw an exception (.net framework) or the default enum value (dotnet core).
-                        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: {enumType.Name}. If you think {enumType.Name} should be nullable please open an issue on the Github repo");
-
-                    return (T?)emptyResult;
         }
 
-                if (!GetValue(enumType, mapping, stringValue!, out var result))
+        public override void Write(Utf8JsonWriter writer, T? value, JsonSerializerOptions options)
-                {
-                    var defaultValue = GetDefaultValue(typeToConvert, enumType);
-                    if (string.IsNullOrWhiteSpace(stringValue))
-                    {
-                        if (defaultValue != null)
-                            // We received an empty string and have no mapping for it, and the property isn't nullable
-                            Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Received empty string as enum value, but property type is not a nullable enum. EnumType: {enumType.Name}. If you think {enumType.Name} should be nullable please open an issue on the Github repo");
-                    }
-                    else
-                    {
-                        // We received an enum value but weren't able to parse it.
-                        if (_warnOnMissingEntry)
-                            Trace.WriteLine($"{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");
-                    }
-
-                    return (T?)defaultValue;
-                }
-
-                return (T?)result;
-            }
-
-            public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
         {
             if (value == null)
             {
@@ -139,43 +90,124 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             }
             else
             {
-                    if (!_writeAsInt)
+                _enumConverter.Write(writer, value.Value, options);
+            }
+        }
+    }
+
+    /// <inheritdoc />
+    public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
     {
-                        var stringValue = GetString(value.GetType(), value);
+        var t = ReadNullable(ref reader, typeToConvert, options, out var isEmptyString, out var warn);
-                        writer.WriteStringValue(stringValue);
+        if (t == null)
+        {
+            if (warn)
+            {
+                if (isEmptyString)
+                {
+                    // We received an empty string and have no mapping for it, and the property isn't nullable
+                    Trace.WriteLine($"{DateTime.Now:yyyy/MM/dd HH:mm:ss:fff} | Warning | Received empty string as enum value, but property type is not a nullable enum. EnumType: {typeof(T).Name}. If you think {typeof(T).Name} should be nullable please open an issue on the Github repo");
                 }
                 else
                 {
-                        writer.WriteNumberValue((int)Convert.ChangeType(value, typeof(int)));
+                    Trace.WriteLine($"{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");
-                    }
                 }
             }
 
-            private static object? GetDefaultValue(Type objectType, Type enumType)
+            return new T(); // return default value
+        }
+        else
         {
-                if (Nullable.GetUnderlyingType(objectType) != null)
+            return t.Value;
+        }
+    }
+
+    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;
 
-                return Activator.CreateInstance(enumType); // return default value
+        if (!GetValue(enumType, stringValue!, out var result))
+        {
+            if (string.IsNullOrWhiteSpace(stringValue))
+            {
+                isEmptyString = true;
+            }
+            else
+            {
+                // We received an enum value but weren't able to parse it.
+                if (!_unknownValuesWarned.Contains(stringValue))
+                {
+                    warn = 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");
+                }
             }
 
-            private static bool GetValue(Type objectType, List<KeyValuePair<object, string>> enumMapping, string value, out object? result)
+            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 (_mapping != null)
         {
             // Check for exact match first, then if not found fallback to a case insensitive match 
-                var mapping = enumMapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCulture));
+            var mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCulture));
-                if (mapping.Equals(default(KeyValuePair<object, string>)))
+            if (mapping.Equals(default(KeyValuePair<T, string>)))
-                    mapping = enumMapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCultureIgnoreCase));
+                mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCultureIgnoreCase));
 
-                if (!mapping.Equals(default(KeyValuePair<object, string>)))
+            if (!mapping.Equals(default(KeyValuePair<T, string>)))
             {
                 result = mapping.Key;
                 return true;
             }
+        }
+
+        if (objectType.IsDefined(typeof(FlagsAttribute)))
+        {
+            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 = Enum.Parse(objectType, value, true);
+            result = (T)Enum.Parse(objectType, value, true);
             return true;
         }
         catch (Exception)
@@ -184,54 +216,57 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             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)
+                    mapping.Add(new KeyValuePair<T, string>((T)Enum.Parse(enumType, member.Name), value));
+            }
+        }
+
+        _mapping = mapping;
+        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>
-        /// <typeparam name="T"></typeparam>
     /// <param name="enumValue"></param>
     /// <returns></returns>
     [return: NotNullIfNotNull("enumValue")]
-        public static string? GetString<T>(T enumValue) => GetString(typeof(T), enumValue);
+    public static string? GetString(T? 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="objectType"></param>
-        /// <param name="enumValue"></param>
-        /// <returns></returns>
-        [return: NotNullIfNotNull("enumValue")]
-        public static string? GetString(Type objectType, object? enumValue)
     {
-            objectType = Nullable.GetUnderlyingType(objectType) ?? objectType;
+        if (_mapping == null)
+            _mapping = AddMapping();
 
-            if (!_mapping.TryGetValue(objectType, out var mapping))
+        return enumValue == null ? null : (_mapping.FirstOrDefault(v => v.Key.Equals(enumValue)).Value ?? enumValue.ToString());
-                mapping = AddMapping(objectType);
-
-            return enumValue == null ? null : (mapping.FirstOrDefault(v => v.Key.Equals(enumValue)).Value ?? enumValue.ToString());
     }
 
     /// <summary>
     /// Get the enum value from a string
     /// </summary>
-        /// <typeparam name="T">Enum type</typeparam>
     /// <param name="value">String value</param>
     /// <returns></returns>
-        public static T? ParseString<T>(string value) where T : Enum
+    public static T? ParseString(string value)
     {
-            var type = typeof(T);
+        var type = Nullable.GetUnderlyingType(typeof(T)) ?? typeof(T);
-            if (!_mapping.TryGetValue(type, out var enumMapping))
+        if (_mapping == null)
-                enumMapping = AddMapping(type);
+            _mapping = AddMapping();
 
-            var mapping = enumMapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCulture));
+        var mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCulture));
-            if (mapping.Equals(default(KeyValuePair<object, string>)))
+        if (mapping.Equals(default(KeyValuePair<T, string>)))
-                mapping = enumMapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCultureIgnoreCase));
+            mapping = _mapping.FirstOrDefault(kv => kv.Value.Equals(value, StringComparison.InvariantCultureIgnoreCase));
 
-            if (!mapping.Equals(default(KeyValuePair<object, string>)))
+        if (!mapping.Equals(default(KeyValuePair<T, string>)))
-            {
+            return mapping.Key;
-                return (T)mapping.Key;
-            }
 
         try
         {
@@ -243,5 +278,11 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             return default;
         }
     }
+
+    /// <inheritdoc />
+    public JsonConverter CreateNullableConverter()
+    {
+        _nullableEnumConverter ??= new NullableEnumConverter(this);
+        return _nullableEnumConverter;
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/EnumIntWriterConverter.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+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 />
+    public override T Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        throw new NotImplementedException();
+    }
+
+    /// <inheritdoc />
+    public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+        => writer.WriteNumberValue((int)(object)value);
+}

CryptoExchange.Net/Converters/SystemTextJson/INullableConverterFactory.cs

@@ -0,0 +1,8 @@
+using System.Text.Json.Serialization;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson;
+
+internal interface INullableConverterFactory
+{
+    JsonConverter CreateNullableConverter();
+}

CryptoExchange.Net/Converters/SystemTextJson/IntConverter.cs

@@ -1,10 +1,10 @@
-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>
@@ -37,4 +37,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             writer.WriteNumberValue(value.Value);
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/JsonConverterCtorAttribute.cs

@@ -1,31 +0,0 @@
-using System;
-using System.Text.Json.Serialization;
-
-namespace CryptoExchange.Net.Converters.SystemTextJson
-{
-    /// <summary>
-    /// Attribute for allowing specifying a JsonConverter with constructor parameters
-    /// </summary>
-    [AttributeUsage(AttributeTargets.Property)]
-    public class JsonConverterCtorAttribute : JsonConverterAttribute
-    {
-        private readonly object[] _parameters;
-        private readonly Type _type;
-
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public JsonConverterCtorAttribute(Type type, params object[] parameters)
-        {
-            _type = type;
-            _parameters = parameters;
-        }
-
-        /// <inheritdoc />
-        public override JsonConverter CreateConverter(Type typeToConvert)
-        {
-            return (JsonConverter)Activator.CreateInstance(_type, _parameters)!;
-        }
-    }
-
-}

CryptoExchange.Net/Converters/SystemTextJson/LongConverter.cs

@@ -1,10 +1,10 @@
-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>
@@ -37,4 +37,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             writer.WriteNumberValue(value.Value);
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/NullableEnumConverterFactory.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Text.Json.Serialization.Metadata;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson;
+
+internal class NullableEnumConverterFactory : JsonConverterFactory
+{
+    private readonly IJsonTypeInfoResolver _jsonTypeInfoResolver;
+    private static readonly JsonSerializerOptions _options = new JsonSerializerOptions();
+
+    public NullableEnumConverterFactory(IJsonTypeInfoResolver jsonTypeInfoResolver)
+    {
+        _jsonTypeInfoResolver = jsonTypeInfoResolver;
+    }
+
+    public override bool CanConvert(Type typeToConvert)
+    {
+        var b = Nullable.GetUnderlyingType(typeToConvert);
+        if (b == null)
+            return false;
+
+        var typeInfo = _jsonTypeInfoResolver.GetTypeInfo(b, _options);
+        if (typeInfo == null)
+            return false;
+
+        return typeInfo.Converter is INullableConverterFactory;
+    }
+
+    public override JsonConverter? CreateConverter(Type typeToConvert, JsonSerializerOptions options)
+    {
+        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}");
+        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

@@ -1,9 +1,9 @@
-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>
@@ -39,4 +39,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         writer.WriteStringValue(value);
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/ObjectStringConverter.cs

@@ -1,16 +1,22 @@
-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>
-    /// <typeparam name="T"></typeparam>
 public class ObjectStringConverter<T> : JsonConverter<T>
 {
     /// <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 T? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
     {
         if (reader.TokenType == JsonTokenType.Null)
@@ -20,10 +26,14 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         if (string.IsNullOrEmpty(value))
             return default;
 
-            return (T?)JsonDocument.Parse(value!).Deserialize(typeof(T));
+        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", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
+#endif
     public override void Write(Utf8JsonWriter writer, T? value, JsonSerializerOptions options)
     {
         if (value is null)
@@ -32,4 +42,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         writer.WriteStringValue(JsonSerializer.Serialize(value, options));
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/ReplaceConverter.cs

@@ -1,14 +1,14 @@
-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 class ReplaceConverter : JsonConverter<string>
+public abstract class ReplaceConverter : JsonConverter<string>
 {
     private readonly (string ValueToReplace, string ValueToReplaceWith)[] _replacementSets;
 
@@ -19,7 +19,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     {
         _replacementSets = replaceSets.Select(x =>
         {
-                var split = x.Split(new string[] { "->" }, StringSplitOptions.None);
+            var split = x.Split(["->"], StringSplitOptions.None);
             if (split.Length != 2)
                 throw new ArgumentException("Invalid replacement config");
             return (split[0], split[1]);
@@ -38,4 +38,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     /// <inheritdoc />
     public override void Write(Utf8JsonWriter writer, string value, JsonSerializerOptions options) => writer.WriteStringValue(value);
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/SerializationModel.cs

@@ -0,0 +1,20 @@
+using System;
+
+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
+    /// </summary>
+    public SerializationModelAttribute() { }
+    /// <summary>
+    /// ctor
+    /// </summary>
+    /// <param name="type"></param>
+    public SerializationModelAttribute(Type type) { }
+}

CryptoExchange.Net/Converters/SystemTextJson/SerializerOptions.cs

@@ -1,29 +1,46 @@
-using System.Text.Json;
+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>
-        /// Json serializer settings which includes the EnumConverter, DateTimeConverter, BoolConverter and DecimalConverter
+    /// Get Json serializer settings which includes standard converters for DateTime, bool, enum and number types
     /// </summary>
-        public static JsonSerializerOptions WithConverters { get; } = new JsonSerializerOptions
+    public static JsonSerializerOptions WithConverters(JsonSerializerContext typeResolver, params JsonConverter[] additionalConverters)
+    {
+        if (!_cache.TryGetValue(typeResolver, out var options))
+        {
+            options = new JsonSerializerOptions
             {
                 NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
                 PropertyNameCaseInsensitive = false,
                 Converters =
                 {
                     new DateTimeConverter(),
-                        new EnumConverter(),
                     new BoolConverter(),
                     new DecimalConverter(),
                     new IntConverter(),
-                        new LongConverter()
+                    new LongConverter(),
-                    }
+                    new NullableEnumConverterFactory(typeResolver)
+                },
+                TypeInfoResolver = typeResolver,
             };
+
+            foreach (var converter in additionalConverters)
+                options.Converters.Add(converter);
+
+            options.TypeInfoResolver = typeResolver;
+            _cache.TryAdd(typeResolver, options);
+        }
+
+        return options;
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/SharedQuantityConverter.cs

@@ -0,0 +1,57 @@
+using CryptoExchange.Net.SharedApis;
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+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)
+    {
+        if (reader.TokenType != JsonTokenType.StartArray)
+            throw new Exception("");
+
+        reader.Read(); // Start array
+        var baseQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
+        reader.Read();
+        var quoteQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
+        reader.Read();
+        var contractQuantity = reader.TokenType == JsonTokenType.Null ? (decimal?)null : reader.GetDecimal();
+        reader.Read();
+
+        if (reader.TokenType != JsonTokenType.EndArray)
+            throw new Exception("");
+
+        reader.Read(); // End array
+
+        var result = new T();
+        result.QuantityInBaseAsset = baseQuantity;
+        result.QuantityInQuoteAsset = quoteQuantity;
+        result.QuantityInContracts = contractQuantity;
+        return result;
+    }
+
+    public override void Write(Utf8JsonWriter writer, T value, JsonSerializerOptions options)
+    {
+        writer.WriteStartArray();
+        if (value.QuantityInBaseAsset == null)
+            writer.WriteNullValue();
+        else
+            writer.WriteNumberValue(value.QuantityInBaseAsset.Value);
+
+        if (value.QuantityInQuoteAsset == null)
+            writer.WriteNullValue();
+        else
+            writer.WriteNumberValue(value.QuantityInQuoteAsset.Value);
+
+        if (value.QuantityInContracts == null)
+            writer.WriteNullValue();
+        else
+            writer.WriteNumberValue(value.QuantityInContracts.Value);
+        writer.WriteEndArray();
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/SharedSymbolConverter.cs

@@ -0,0 +1,43 @@
+using CryptoExchange.Net.SharedApis;
+using System;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+
+namespace CryptoExchange.Net.Converters.SystemTextJson;
+
+internal class SharedSymbolConverter : JsonConverter<SharedSymbol>
+{
+    public override SharedSymbol? Read(ref Utf8JsonReader reader, Type typeToConvert, JsonSerializerOptions options)
+    {
+        if (reader.TokenType != JsonTokenType.StartArray)
+            throw new Exception("");
+
+        reader.Read(); // Start array
+        var tradingMode = (TradingMode)Enum.Parse(typeof(TradingMode), reader.GetString()!);
+        reader.Read();
+        var baseAsset = reader.GetString()!;
+        reader.Read();
+        var quoteAsset = reader.GetString()!;
+        reader.Read();
+        var timeStr = reader.GetString()!;
+        var deliverTime = string.IsNullOrEmpty(timeStr) ? (DateTime?)null : DateTime.Parse(timeStr);
+        reader.Read();
+
+        if (reader.TokenType != JsonTokenType.EndArray)
+            throw new Exception("");
+
+        reader.Read(); // End array
+
+        return new SharedSymbol(tradingMode, baseAsset, quoteAsset, deliverTime);
+    }
+
+    public override void Write(Utf8JsonWriter writer, SharedSymbol value, JsonSerializerOptions options)
+    {
+        writer.WriteStartArray();
+        writer.WriteStringValue(value.TradingMode.ToString());
+        writer.WriteStringValue(value.BaseAsset);
+        writer.WriteStringValue(value.QuoteAsset);
+        writer.WriteStringValue(value.DeliverTime?.ToString());
+        writer.WriteEndArray();
+    }
+}

CryptoExchange.Net/Converters/SystemTextJson/SystemTextJsonMessageAccessor.cs

@@ -1,15 +1,17 @@
-using CryptoExchange.Net.Converters.MessageParsing;
+using CryptoExchange.Net.Converters.MessageParsing;
 using CryptoExchange.Net.Interfaces;
 using CryptoExchange.Net.Objects;
 using System;
-using System.Collections.Generic;
+#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
+namespace CryptoExchange.Net.Converters.SystemTextJson;
-{
+
 /// <summary>
 /// System.Text.Json message accessor
 /// </summary>
@@ -20,11 +22,10 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     /// </summary>
     protected JsonDocument? _document;
 
-        private static JsonSerializerOptions _serializerOptions = SerializerOptions.WithConverters;
+    private readonly JsonSerializerOptions? _customSerializerOptions;
-        private JsonSerializerOptions? _customSerializerOptions;
 
     /// <inheritdoc />
-        public bool IsJson { get; set; }
+    public bool IsValid { get; set; }
 
     /// <inheritdoc />
     public abstract bool OriginalDataAvailable { get; }
@@ -32,13 +33,6 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     /// <inheritdoc />
     public object? Underlying => throw new NotImplementedException();
 
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public SystemTextJsonMessageAccessor()
-        {
-        }
-
     /// <summary>
     /// ctor
     /// </summary>
@@ -48,9 +42,13 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     }
 
     /// <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 (!IsJson)
+        if (!IsValid)
             return new CallResult<object>(GetOriginalString());
 
         if (_document == null)
@@ -58,22 +56,25 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 
         try
         {
-                var result = _document.Deserialize(type, _customSerializerOptions ?? _serializerOptions);
+            var result = _document.Deserialize(type, _customSerializerOptions);
             return new CallResult<object>(result!);
         }
         catch (JsonException ex)
         {
-                var info = $"Deserialize JsonException: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
+            var info = $"Json deserialization failed: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
-                return new CallResult<object>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
+            return new CallResult<object>(new DeserializeError(info, ex));
         }
         catch (Exception ex)
         {
-                var info = $"Deserialize unknown Exception: {ex.Message}";
+            return new CallResult<object>(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-                return new CallResult<object>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client 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<T> Deserialize<T>(MessagePath? path = null)
     {
         if (_document == null)
@@ -81,25 +82,24 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 
         try
         {
-                var result = _document.Deserialize<T>(_customSerializerOptions ?? _serializerOptions);
+            var result = _document.Deserialize<T>(_customSerializerOptions);
             return new CallResult<T>(result!);
         }
         catch (JsonException ex)
         {
-                var info = $"Deserialize JsonException: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
+            var info = $"Json deserialization failed: {ex.Message}, Path: {ex.Path}, LineNumber: {ex.LineNumber}, LinePosition: {ex.BytePositionInLine}";
-                return new CallResult<T>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
+            return new CallResult<T>(new DeserializeError(info, ex));
         }
         catch (Exception ex)
         {
-                var info = $"Unknown exception: {ex.Message}";
+            return new CallResult<T>(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
-                return new CallResult<T>(new DeserializeError(info, OriginalDataAvailable ? GetOriginalString() : "[Data only available when OutputOriginal = true in client options]"));
         }
     }
 
     /// <inheritdoc />
     public NodeType? GetNodeType()
     {
-            if (!IsJson)
+        if (!IsValid)
             throw new InvalidOperationException("Can't access json data on non-json message");
 
         if (_document == null)
@@ -116,7 +116,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     /// <inheritdoc />
     public NodeType? GetNodeType(MessagePath path)
     {
-            if (!IsJson)
+        if (!IsValid)
             throw new InvalidOperationException("Can't access json data on non-json message");
 
         var node = GetPathNode(path);
@@ -132,9 +132,13 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     }
 
     /// <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 (!IsJson)
+        if (!IsValid)
             throw new InvalidOperationException("Can't access json data on non-json message");
 
         var value = GetPathNode(path);
@@ -145,9 +149,10 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         {
             try
             {
-                    return value.Value.Deserialize<T>(_customSerializerOptions ?? _serializerOptions);
+                return value.Value.Deserialize<T>(_customSerializerOptions);
             }
             catch { }
+
             return default;
         }
 
@@ -157,13 +162,17 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
                 return (T)(object)value.Value.GetInt64().ToString();
         }
 
-            return value.Value.Deserialize<T>();
+        return value.Value.Deserialize<T>(_customSerializerOptions);
     }
 
     /// <inheritdoc />
-        public List<T?>? GetValues<T>(MessagePath path)
+#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 (!IsJson)
+        if (!IsValid)
             throw new InvalidOperationException("Can't access json data on non-json message");
 
         var value = GetPathNode(path);
@@ -173,12 +182,12 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         if (value.Value.ValueKind != JsonValueKind.Array)
             return default;
 
-            return value.Value.Deserialize<List<T>>()!;
+        return value.Value.Deserialize<T[]>(_customSerializerOptions)!;
     }
 
     private JsonElement? GetPathNode(MessagePath path)
     {
-            if (!IsJson)
+        if (!IsValid)
             throw new InvalidOperationException("Can't access json data on non-json message");
 
         if (_document == null)
@@ -232,20 +241,15 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 /// <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(): base()
-        {
-        }
-
     /// <summary>
     /// ctor
     /// </summary>
@@ -276,14 +280,14 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         try
         {
             _document = await JsonDocument.ParseAsync(_stream ?? stream).ConfigureAwait(false);
-                IsJson = true;
+            IsValid = true;
-                return new CallResult(null);
+            return CallResult.SuccessResult;
         }
         catch (Exception ex)
         {
             // Not a json message
-                IsJson = false;
+            IsValid = false;
-                return new CallResult(new ServerError("JsonError: " + ex.Message));
+            return new CallResult(new DeserializeError($"Json deserialization failed: {ex.Message}", ex));
         }
     }
 
@@ -316,13 +320,6 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 {
     private ReadOnlyMemory<byte> _bytes;
 
-        /// <summary>
-        /// ctor
-        /// </summary>
-        public SystemTextJsonByteMessageAccessor() : base()
-        {
-        }
-
     /// <summary>
     /// ctor
     /// </summary>
@@ -341,25 +338,25 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             if (firstByte != 0x7b && firstByte != 0x5b)
             {
                 // Value doesn't start with `{` or `[`, prevent deserialization attempt as it's slow
-                    IsJson = false;
+                IsValid = false;
-                    return new CallResult(new ServerError("Not a json value"));
+                return new CallResult(new DeserializeError("Not a json value"));
             }
 
             _document = JsonDocument.Parse(data);
-                IsJson = true;
+            IsValid = true;
-                return new CallResult(null);
+            return CallResult.SuccessResult;
         }
         catch (Exception ex)
         {
             // Not a json message
-                IsJson = false;
+            IsValid = false;
-                return new CallResult(new ServerError("JsonError: " + ex.Message));
+            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
+        // 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
@@ -377,4 +374,3 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         _document = null;
     }
 }
-}

CryptoExchange.Net/Converters/SystemTextJson/SystemTextJsonMessageSerializer.cs

@@ -1,12 +1,28 @@
-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 : IMessageSerializer
+public class SystemTextJsonMessageSerializer : IStringMessageSerializer
 {
+    private readonly JsonSerializerOptions _options;
+
+    /// <summary>
+    /// ctor
+    /// </summary>
+    public SystemTextJsonMessageSerializer(JsonSerializerOptions options)
+    {
+        _options = options;
+    }
+
     /// <inheritdoc />
-        public string Serialize(object message) => JsonSerializer.Serialize(message, SerializerOptions.WithConverters);
+#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", "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);
 }

CryptoExchange.Net/CryptoExchange.Net.csproj

@@ -1,16 +1,16 @@
 <Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
-    <TargetFrameworks>netstandard2.0;netstandard2.1;net9.0</TargetFrameworks>
+    <TargetFrameworks>netstandard2.0;netstandard2.1;net8.0;net9.0</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>8.5.0</PackageVersion>
+    <PackageVersion>9.6.0</PackageVersion>
-    <AssemblyVersion>8.5.0</AssemblyVersion>
+    <AssemblyVersion>9.6.0</AssemblyVersion>
-    <FileVersion>8.5.0</FileVersion>
+    <FileVersion>9.6.0</FileVersion>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
-    <PackageTags>OKX;OKX.Net;Mexc;Mexc.Net;Kucoin;Kucoin.Net;Kraken;Kraken.Net;Huobi;Huobi.Net;CoinEx;CoinEx.Net;Bybit;Bybit.Net;Bitget;Bitget.Net;Bitfinex;Bitfinex.Net;Binance;Binance.Net;CryptoCurrency;CryptoCurrency Exchange</PackageTags>
+    <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>
     <RepositoryUrl>https://github.com/JKorf/CryptoExchange.Net.git</RepositoryUrl>
     <PackageProjectUrl>https://github.com/JKorf/CryptoExchange.Net</PackageProjectUrl>
@@ -24,9 +24,13 @@
     <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>
+  <PropertyGroup Label="AOT" Condition="$([MSBuild]::IsTargetFrameworkCompatible('$(TargetFramework)', 'net7.0'))">
+    <IsAotCompatible>true</IsAotCompatible>
+  </PropertyGroup>
   <PropertyGroup Label="Deterministic Build" Condition="'$(Configuration)' == 'Release'">
     <PublishRepositoryUrl>true</PublishRepositoryUrl>
     <IncludeSymbols>true</IncludeSymbols>
@@ -34,15 +38,15 @@
     <EmbedUntrackedSources>true</EmbedUntrackedSources>
     <ContinuousIntegrationBuild>true</ContinuousIntegrationBuild>
   </PropertyGroup>
-  <ItemGroup Label="Deterministic Build" Condition="'$(Configuration)' == 'Release'">
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0">
-      <PrivateAssets>all</PrivateAssets>
-      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
-    </PackageReference>
-  </ItemGroup>
   <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>
@@ -52,13 +56,16 @@
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
-    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.0" />
-    <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="9.0.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.6" />
-    <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.0" />
+    <PackageReference Include="System.Text.Json" Version="9.0.6" />
-    <PackageReference Include="System.Text.Json" Version="9.0.0" />
+  </ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Options.ConfigurationExtensions" Version="9.0.0" />
+  <ItemGroup Label="Transitive Client Packages">
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.6" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.6" />
+  </ItemGroup>
+  <ItemGroup>
+    <EditorConfigFiles Remove="C:\Projects\CryptoExchange.Net\CryptoExchange.Net\.editorconfig" />
   </ItemGroup>
 </Project>

CryptoExchange.Net/ExchangeHelpers.cs

@@ -1,20 +1,24 @@
-using CryptoExchange.Net.Objects;
+using CryptoExchange.Net.Objects;
 using CryptoExchange.Net.SharedApis;
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 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>()
     {
@@ -111,6 +115,34 @@ namespace CryptoExchange.Net
         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)
+                    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>
@@ -160,7 +192,7 @@ namespace CryptoExchange.Net
     }
 
     /// <summary>
-        /// Generate a new unique id. The id is staticly stored so it is guarenteed to be unique
+    /// 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);
@@ -192,6 +224,44 @@ namespace CryptoExchange.Net
         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>
@@ -219,16 +289,16 @@ namespace CryptoExchange.Net
     /// <summary>
     /// Execute multiple requests to retrieve multiple pages of the result set
     /// </summary>
-        /// <typeparam name="T">Type of the client</typeparam>
+    /// <typeparam name="TResult">Type of the client</typeparam>
-        /// <typeparam name="U">Type of the request</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<IEnumerable<T>>> ExecutePages<T, U>(Func<U, INextPageToken?, CancellationToken, Task<ExchangeWebResult<IEnumerable<T>>>> paginatedFunc, U request, [EnumeratorCancellation]CancellationToken ct = default)
+    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<T>();
+        var result = new List<TResult>();
-            ExchangeWebResult<IEnumerable<T>> batch;
+        ExchangeWebResult<TResult[]> batch;
         INextPageToken? nextPageToken = null;
         while (true)
         {
@@ -261,6 +331,7 @@ namespace CryptoExchange.Net
         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)
             {
@@ -273,5 +344,47 @@ namespace CryptoExchange.Net
         adjustedQuantity = symbol.QuantityDecimals.HasValue ? (minNotionalAdjust ? RoundUp(adjustedQuantity, symbol.QuantityDecimals.Value) : RoundDown(adjustedQuantity, symbol.QuantityDecimals.Value)) : adjustedQuantity;
 
     }
+
+    /// <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;
     }
 }

CryptoExchange.Net/ExchangeSymbolCache.cs

@@ -0,0 +1,68 @@
+using CryptoExchange.Net.SharedApis;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+
+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
+    /// </summary>
+    /// <param name="topicId">Id for the provided data</param>
+    /// <param name="updateData">Symbol data</param>
+    public static void UpdateSymbolInfo(string topicId, SharedSpotSymbol[] updateData)
+    {
+        if(!_symbolInfos.TryGetValue(topicId, out var 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));
+    }
+
+    /// <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

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Collections.Generic;
 using System.IO.Compression;
 using System.IO;
@@ -11,8 +11,8 @@ using System.Globalization;
 using Microsoft.Extensions.DependencyInjection;
 using CryptoExchange.Net.SharedApis;
 
-namespace CryptoExchange.Net
+namespace CryptoExchange.Net;
-{
+
 /// <summary>
 /// Helper methods
 /// </summary>
@@ -111,6 +111,7 @@ namespace CryptoExchange.Net
                 formData.Add(kvp.Key, string.Format(CultureInfo.InvariantCulture, "{0}", kvp.Value));
             }
         }
+
         return formData.ToString()!;
     }
 
@@ -286,6 +287,7 @@ namespace CryptoExchange.Net
                 httpValueCollection.Add(parameter.Key, parameter.Value.ToString());
             }
         }
+
         uriBuilder.Query = httpValueCollection.ToString();
         return uriBuilder.Uri;
     }
@@ -333,6 +335,7 @@ namespace CryptoExchange.Net
                 httpValueCollection.Add(parameter.Key, parameter.Value.ToString());
             }
         }
+
         uriBuilder.Query = httpValueCollection.ToString();
         return uriBuilder.Uri;
     }
@@ -344,7 +347,7 @@ namespace CryptoExchange.Net
     /// <param name="name"></param>
     /// <param name="value"></param>
     /// <returns></returns>
-        public static Uri AddQueryParmeter(this Uri uri, string name, string value)
+    public static Uri AddQueryParameter(this Uri uri, string name, string value)
     {
         var httpValueCollection = HttpUtility.ParseQueryString(uri.Query);
 
@@ -435,6 +438,10 @@ namespace CryptoExchange.Net
             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)))
             services.AddTransient(x => (ISpotOrderRestClient)client(x)!);
@@ -442,6 +449,10 @@ namespace CryptoExchange.Net
             services.AddTransient(x => (ISpotSymbolRestClient)client(x)!);
         if (typeof(ISpotTickerRestClient).IsAssignableFrom(typeof(T)))
             services.AddTransient(x => (ISpotTickerRestClient)client(x)!);
+        if (typeof(ISpotTriggerOrderRestClient).IsAssignableFrom(typeof(T)))
+            services.AddTransient(x => (ISpotTriggerOrderRestClient)client(x)!);
+        if (typeof(ISpotOrderClientIdRestClient).IsAssignableFrom(typeof(T)))
+            services.AddTransient(x => (ISpotOrderClientIdRestClient)client(x)!);
 
         if (typeof(IFundingRateRestClient).IsAssignableFrom(typeof(T)))
             services.AddTransient(x => (IFundingRateRestClient)client(x)!);
@@ -463,6 +474,12 @@ namespace CryptoExchange.Net
             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;
     }
@@ -478,8 +495,8 @@ namespace CryptoExchange.Net
             services.AddTransient(x => (IBookTickerSocketClient)client(x)!);
         if (typeof(IKlineSocketClient).IsAssignableFrom(typeof(T)))
             services.AddTransient(x => (IKlineSocketClient)client(x)!);
-            if (typeof(IOrderBookRestClient).IsAssignableFrom(typeof(T)))
+        if (typeof(IOrderBookSocketClient).IsAssignableFrom(typeof(T)))
-                services.AddTransient(x => (IOrderBookRestClient)client(x)!);
+            services.AddTransient(x => (IOrderBookSocketClient)client(x)!);
         if (typeof(ITickerSocketClient).IsAssignableFrom(typeof(T)))
             services.AddTransient(x => (ITickerSocketClient)client(x)!);
         if (typeof(ITickersSocketClient).IsAssignableFrom(typeof(T)))
@@ -500,5 +517,4 @@ namespace CryptoExchange.Net
         return services;
     }
 }
-}
 

CryptoExchange.Net/Interfaces/CommonClients/IBaseRestClient.cs

@@ -1,94 +0,0 @@
-using CryptoExchange.Net.CommonObjects;
-using CryptoExchange.Net.Objects;
-using System;
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-
-namespace CryptoExchange.Net.Interfaces.CommonClients
-{
-    /// <summary>
-    /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-    /// </summary>
-    public interface IBaseRestClient
-    {
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        string ExchangeName { get; }
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        event Action<OrderId> OnOrderPlaced;
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        event Action<OrderId> OnOrderCanceled;
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        string GetSymbolName(string baseAsset, string quoteAsset);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Symbol>>> GetSymbolsAsync(CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<Ticker>> GetTickerAsync(string symbol, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Ticker>>> GetTickersAsync(CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Kline>>> GetKlinesAsync(string symbol, TimeSpan timespan, DateTime? startTime = null, DateTime? endTime = null, int? limit = null, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<CommonObjects.OrderBook>> GetOrderBookAsync(string symbol, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Trade>>> GetRecentTradesAsync(string symbol, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Balance>>> GetBalancesAsync(string? accountId = null, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<Order>> GetOrderAsync(string orderId, string? symbol = null, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<UserTrade>>> GetOrderTradesAsync(string orderId, string? symbol = null, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Order>>> GetOpenOrdersAsync(string? symbol = null, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Order>>> GetClosedOrdersAsync(string? symbol = null, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<OrderId>> CancelOrderAsync(string orderId, string? symbol = null, CancellationToken ct = default);
-    }
-}

CryptoExchange.Net/Interfaces/CommonClients/IFuturesClient.cs

@@ -1,24 +0,0 @@
-using System.Collections.Generic;
-using System.Threading;
-using System.Threading.Tasks;
-using CryptoExchange.Net.CommonObjects;
-using CryptoExchange.Net.Objects;
-
-namespace CryptoExchange.Net.Interfaces.CommonClients
-{
-    /// <summary>
-    /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-    /// </summary>
-    public interface IFuturesClient : IBaseRestClient
-    {
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<OrderId>> PlaceOrderAsync(string symbol, CommonOrderSide side, CommonOrderType type, decimal quantity, decimal? price = null, int? leverage = null, string? accountId = null, string? clientOrderId = null, CancellationToken ct = default);
-
-        /// <summary>
-        /// DEPRECATED; use <see cref="SharedApis.ISharedClient" /> instead for common/shared functionality. See <see href="https://jkorf.github.io/CryptoExchange.Net/docs/index.html#shared" /> for more info.
-        /// </summary>
-        Task<WebCallResult<IEnumerable<Position>>> GetPositionsAsync(CancellationToken ct = default);
-    }
-}