Updated to version 9.2.1

Co-authored-by: Eric GARNIER <ega@softfluent.com>

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(ex.Message));
+            }
+        }
+
+        /// <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(ex.ToLogString()));
+            }
+        }
+
+        /// <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("ProtoBufError: " + 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(ex.ToLogString()));
+            }
+        }
+
+        /// <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(ex.Message));
+            }
+        }
+
+        /// <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("ProtobufError: " + 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>9.2.0</PackageVersion>
+    <AssemblyVersion>9.2.0</AssemblyVersion>
+    <FileVersion>9.2.0</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="9.2.0" />
+    <PackageReference Include="protobuf-net" Version="3.2.52" />
+  </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 +1,9 @@
+# ![.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 9.2.0 - 14 Jul 2025
+    * Initial release

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

@@ -6,10 +6,10 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0"></PackageReference>
+    <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/TestImplementations/TestSocketClient.cs

@@ -17,6 +17,7 @@ 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
 {
@@ -98,7 +99,7 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
 
         }
 
-        protected internal override IByteMessageAccessor CreateAccessor() => new SystemTextJsonByteMessageAccessor(new System.Text.Json.JsonSerializerOptions());
+        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 />
@@ -119,7 +120,7 @@ namespace CryptoExchange.Net.UnitTests.TestImplementations
 
         public override string GetListenerIdentifier(IMessageAccessor message)
         {
-            if (!message.IsJson)
+            if (!message.IsValid)
             {
                 return "topic";
             }

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/Authentication/AuthenticationProvider.cs

@@ -465,10 +465,13 @@ namespace CryptoExchange.Net.Authentication
         /// <returns></returns>
         protected static string GetSerializedBody(IMessageSerializer serializer, IDictionary<string, object> parameters)
         {
+            if (serializer is not IStringMessageSerializer stringSerializer)
+                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 serializer.Serialize(value);
+                return stringSerializer.Serialize(value);
             else
-                return serializer.Serialize(parameters);
+                return stringSerializer.Serialize(parameters);
         }
     }
 

CryptoExchange.Net/Clients/RestApiClient.cs

@@ -603,12 +603,16 @@ 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.TryGetValue(Constants.BodyPlaceHolderKey, out object? value))
-                    stringData = CreateSerializer().Serialize(value);
+                    stringData = stringSerializer.Serialize(value);
                 else
-                    stringData = CreateSerializer().Serialize(parameters);
+                    stringData = stringSerializer.Serialize(parameters);
                 request.SetContent(stringData, contentType);
             }
             else if (contentType == Constants.FormContentHeader)

CryptoExchange.Net/Clients/SocketApiClient.cs

@@ -82,6 +82,11 @@ 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; } = false;
+
         /// <inheritdoc />
         public double IncomingKbps
         {
@@ -138,7 +143,7 @@ namespace CryptoExchange.Net.Clients
         /// Create a message accessor instance
         /// </summary>
         /// <returns></returns>
-        protected internal abstract IByteMessageAccessor CreateAccessor();
+        protected internal abstract IByteMessageAccessor CreateAccessor(WebSocketMessageType messageType);
 
         /// <summary>
         /// Create a serializer instance

CryptoExchange.Net/Converters/SystemTextJson/ArrayConverter.cs

@@ -25,8 +25,6 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
     {
         private static readonly Lazy<List<ArrayPropertyInfo>> _typePropertyInfo = new Lazy<List<ArrayPropertyInfo>>(CacheTypeAttributes, LazyThreadSafetyMode.PublicationOnly);
         
-        private static readonly ConcurrentDictionary<JsonConverter, JsonSerializerOptions> _converterOptionsCache = new ConcurrentDictionary<JsonConverter, JsonSerializerOptions>();
-
         /// <inheritdoc />
 #if NET5_0_OR_GREATER
         [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
@@ -100,17 +98,17 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             if (reader.TokenType == JsonTokenType.Null)
                 return default;
 
-            var result = Activator.CreateInstance(typeof(T))!;
+            var result = new T();
-            return (T)ParseObject(ref reader, result, typeof(T), options);
+            return ParseObject(ref reader, result, options);
         }
 
 
 #if NET5_0_OR_GREATER
         [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL3050:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
         [UnconditionalSuppressMessage("AssemblyLoadTrimming", "IL2026:RequiresUnreferencedCode", Justification = "JsonSerializerOptions provided here has TypeInfoResolver set")]
-        private static object ParseObject(ref Utf8JsonReader reader, object result, [DynamicallyAccessedMembers(DynamicallyAccessedMemberTypes.PublicProperties)] Type objectType, JsonSerializerOptions options)
+        private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
 #else
-        private static object ParseObject(ref Utf8JsonReader reader, object result, Type objectType, JsonSerializerOptions options)
+        private static T ParseObject(ref Utf8JsonReader reader, T result, JsonSerializerOptions options)
 #endif
         {
             if (reader.TokenType != JsonTokenType.StartArray)
@@ -135,20 +133,19 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
                     object? value = null;
                     if (attribute.JsonConverter != null)
                     {
-                        if (!_converterOptionsCache.TryGetValue(attribute.JsonConverter, out var newOptions))
+                        if (attribute.JsonSerializerOptions == null)
-                        {                            
+                        {
-                            newOptions = new JsonSerializerOptions
+                            attribute.JsonSerializerOptions = new JsonSerializerOptions
                             {
                                 NumberHandling = JsonNumberHandling.AllowReadingFromString | JsonNumberHandling.AllowNamedFloatingPointLiterals,
                                 PropertyNameCaseInsensitive = false,
                                 Converters = { attribute.JsonConverter },
                                 TypeInfoResolver = options.TypeInfoResolver,
                             };
-                            _converterOptionsCache.TryAdd(attribute.JsonConverter, newOptions);
                         }
 
                         var doc = JsonDocument.ParseValue(ref reader);
-                        value = doc.Deserialize(attribute.PropertyInfo.PropertyType, newOptions);
+                        value = doc.Deserialize(attribute.PropertyInfo.PropertyType, attribute.JsonSerializerOptions);
                     }
                     else if (attribute.DefaultDeserialization)
                     {
@@ -231,6 +228,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             public JsonConverter? JsonConverter { get; set; }
             public bool DefaultDeserialization { get; set; }
             public Type TargetType { get; set; } = null!;
+            public JsonSerializerOptions? JsonSerializerOptions { get; set; } = null;
         }
     }
 }

CryptoExchange.Net/Converters/SystemTextJson/DecimalConverter.cs

@@ -19,22 +19,7 @@ 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

CryptoExchange.Net/Converters/SystemTextJson/SystemTextJsonMessageAccessor.cs

@@ -24,7 +24,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         private readonly JsonSerializerOptions? _customSerializerOptions;
 
         /// <inheritdoc />
-        public bool IsJson { get; set; }
+        public bool IsValid { get; set; }
 
         /// <inheritdoc />
         public abstract bool OriginalDataAvailable { get; }
@@ -47,7 +47,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 #endif
         public CallResult<object> Deserialize(Type type, MessagePath? path = null)
         {
-            if (!IsJson)
+            if (!IsValid)
                 return new CallResult<object>(GetOriginalString());
 
             if (_document == null)
@@ -100,7 +100,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
         /// <inheritdoc />
         public NodeType? GetNodeType()
         {
-            if (!IsJson)
+            if (!IsValid)
                 throw new InvalidOperationException("Can't access json data on non-json message");
 
             if (_document == null)
@@ -117,7 +117,7 @@ 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);
@@ -139,7 +139,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 #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);
@@ -173,7 +173,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 #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);
@@ -188,7 +188,7 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
 
         private JsonElement? GetPathNode(MessagePath path)
         {
-            if (!IsJson)
+            if (!IsValid)
                 throw new InvalidOperationException("Can't access json data on non-json message");
 
             if (_document == null)
@@ -279,13 +279,13 @@ namespace CryptoExchange.Net.Converters.SystemTextJson
             try
             {
                 _document = await JsonDocument.ParseAsync(_stream ?? stream).ConfigureAwait(false);
-                IsJson = true;
+                IsValid = true;
                 return CallResult.SuccessResult;
             }
             catch (Exception ex)
             {
                 // Not a json message
-                IsJson = false;
+                IsValid = false;
                 return new CallResult(new DeserializeError("JsonError: " + ex.Message, ex));
             }
         }
@@ -337,18 +337,18 @@ 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"));
                 }
 
                 _document = JsonDocument.Parse(data);
-                IsJson = true;
+                IsValid = true;
                 return CallResult.SuccessResult;
             }
             catch (Exception ex)
             {
                 // Not a json message
-                IsJson = false;
+                IsValid = false;
                 return new CallResult(new DeserializeError("JsonError: " + ex.Message, ex));
             }
         }

CryptoExchange.Net/Converters/SystemTextJson/SystemTextJsonMessageSerializer.cs

@@ -7,7 +7,7 @@ using System.Text.Json.Serialization.Metadata;
 namespace CryptoExchange.Net.Converters.SystemTextJson
 {
     /// <inheritdoc />
-    public class SystemTextJsonMessageSerializer : IMessageSerializer
+    public class SystemTextJsonMessageSerializer : IStringMessageSerializer
     {
         private readonly JsonSerializerOptions _options;
 

CryptoExchange.Net/CryptoExchange.Net.csproj

@@ -6,9 +6,9 @@
     <PackageId>CryptoExchange.Net</PackageId>
     <Authors>JKorf</Authors>
     <Description>CryptoExchange.Net is a base library which is used to implement different cryptocurrency (exchange) API's. It provides a standardized way of implementing different API's, which results in a very similar experience for users of the API implementations.</Description>
-    <PackageVersion>9.1.0</PackageVersion>
+    <PackageVersion>9.2.1</PackageVersion>
-    <AssemblyVersion>9.1.0</AssemblyVersion>
+    <AssemblyVersion>9.2.1</AssemblyVersion>
-    <FileVersion>9.1.0</FileVersion>
+    <FileVersion>9.2.1</FileVersion>
     <PackageRequireLicenseAcceptance>false</PackageRequireLicenseAcceptance>
     <PackageTags>OKX;OKX.Net;Mexc;Mexc.Net;Kucoin;Kucoin.Net;Kraken;Kraken.Net;Huobi;Huobi.Net;CoinEx;CoinEx.Net;Bybit;Bybit.Net;Bitget;Bitget.Net;Bitfinex;Bitfinex.Net;Binance;Binance.Net;CryptoCurrency;CryptoCurrency Exchange</PackageTags>
     <RepositoryType>git</RepositoryType>
@@ -51,11 +51,11 @@
     </PackageReference>
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.5" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.6" />
-    <PackageReference Include="System.Text.Json" Version="9.0.5" />
+    <PackageReference Include="System.Text.Json" Version="9.0.6" />
   </ItemGroup>
   <ItemGroup Label="Transitive Client Packages">
-    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.5" />
+    <PackageReference Include="Microsoft.Extensions.Configuration.Binder" Version="9.0.6" />
-    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.5" />
+    <PackageReference Include="Microsoft.Extensions.Http" Version="9.0.6" />
   </ItemGroup>
 </Project>

CryptoExchange.Net/ExchangeHelpers.cs

@@ -2,6 +2,7 @@
 using CryptoExchange.Net.SharedApis;
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.Runtime.CompilerServices;
 using System.Security.Cryptography;
 using System.Threading;
@@ -341,5 +342,28 @@ 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)
+        {
+            if (string.IsNullOrEmpty(value) || string.Equals("null", value, StringComparison.OrdinalIgnoreCase))
+                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;
+            }
+        }
     }
 }

CryptoExchange.Net/Interfaces/IMessageAccessor.cs

@@ -2,6 +2,7 @@
 using CryptoExchange.Net.Objects;
 using System;
 using System.Collections.Generic;
+using System.Diagnostics.CodeAnalysis;
 using System.IO;
 using System.Threading.Tasks;
 
@@ -13,9 +14,9 @@ namespace CryptoExchange.Net.Interfaces
     public interface IMessageAccessor
     {
         /// <summary>
-        /// Is this a json message
+        /// Is this a valid message
         /// </summary>
-        bool IsJson { get; }
+        bool IsValid { get; }
         /// <summary>
         /// Is the original data available for retrieval
         /// </summary>
@@ -59,12 +60,20 @@ namespace CryptoExchange.Net.Interfaces
         /// <param name="type"></param>
         /// <param name="path"></param>
         /// <returns></returns>
+#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
         CallResult<object> Deserialize(Type type, MessagePath? path = null);
         /// <summary>
         /// Deserialize the message into this type
         /// </summary>
         /// <param name="path"></param>
         /// <returns></returns>
+#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
         CallResult<T> Deserialize<T>(MessagePath? path = null);
 
         /// <summary>

CryptoExchange.Net/Interfaces/IMessageSerializer.cs

@@ -1,9 +1,31 @@
-namespace CryptoExchange.Net.Interfaces
+using System.Diagnostics.CodeAnalysis;
+
+namespace CryptoExchange.Net.Interfaces
 {
     /// <summary>
     /// Serializer interface
     /// </summary>
     public interface IMessageSerializer
+    {
+    }
+
+    /// <summary>
+    /// Serialize to byte array
+    /// </summary>
+    public interface IByteMessageSerializer: IMessageSerializer
+    {
+        /// <summary>
+        /// Serialize an object to a string
+        /// </summary>
+        /// <param name="message"></param>
+        /// <returns></returns>
+        byte[] Serialize<T>(T message);
+    }
+
+    /// <summary>
+    /// Serialize to string
+    /// </summary>
+    public interface IStringMessageSerializer: IMessageSerializer
     {
         /// <summary>
         /// Serialize an object to a string

CryptoExchange.Net/Interfaces/IWebsocket.cs

@@ -78,13 +78,20 @@ namespace CryptoExchange.Net.Interfaces
         /// <returns></returns>
         Task<CallResult> ConnectAsync(CancellationToken ct);
         /// <summary>
-        /// Send data
+        /// Send string data
         /// </summary>
         /// <param name="id"></param>
         /// <param name="data"></param>
         /// <param name="weight"></param>
         bool Send(int id, string data, int weight);
         /// <summary>
+        /// Send byte data
+        /// </summary>
+        /// <param name="id"></param>
+        /// <param name="data"></param>
+        /// <param name="weight"></param>
+        bool Send(int id, byte[] data, int weight);
+        /// <summary>
         /// Reconnect the socket
         /// </summary>
         /// <returns></returns>

CryptoExchange.Net/Logging/Extensions/SocketConnectionLoggingExtension.cs

@@ -15,6 +15,7 @@ namespace CryptoExchange.Net.Logging.Extensions
         private static readonly Action<ILogger, int, string?, Exception?> _webSocketError;
         private static readonly Action<ILogger, int, int, Exception?> _messageSentNotPending;
         private static readonly Action<ILogger, int, string, Exception?> _receivedData;
+        private static readonly Action<ILogger, int, string, Exception?> _failedToParse;
         private static readonly Action<ILogger, int, string, Exception?> _failedToEvaluateMessage;
         private static readonly Action<ILogger, int, Exception?> _errorProcessingMessage;
         private static readonly Action<ILogger, int, int, string, Exception?> _processorMatched;
@@ -37,6 +38,7 @@ namespace CryptoExchange.Net.Logging.Extensions
         private static readonly Action<ILogger, int, string, string, Exception?> _periodicSendFailed;
         private static readonly Action<ILogger, int, int, string, Exception?> _sendingData;
         private static readonly Action<ILogger, int, string, string, Exception?> _receivedMessageNotMatchedToAnyListener;
+        private static readonly Action<ILogger, int, int, int, Exception?> _sendingByteData;
 
         static SocketConnectionLoggingExtension()
         {
@@ -189,6 +191,16 @@ namespace CryptoExchange.Net.Logging.Extensions
                 LogLevel.Warning,
                 new EventId(2029, "ReceivedMessageNotMatchedToAnyListener"),
                 "[Sckt {SocketId}] received message not matched to any listener. ListenId: {ListenId}, current listeners: {ListenIds}");
+
+            _failedToParse = LoggerMessage.Define<int, string>(
+                LogLevel.Warning,
+                new EventId(2030, "FailedToParse"),
+                "[Sckt {SocketId}] failed to parse data: {Error}");
+
+            _sendingByteData = LoggerMessage.Define<int, int, int>(
+                LogLevel.Trace,
+                new EventId(2031, "SendingByteData"),
+                "[Sckt {SocketId}] [Req {RequestId}] sending byte message of length: {Length}");
         }
 
         public static void ActivityPaused(this ILogger logger, int socketId, bool paused)
@@ -230,6 +242,12 @@ namespace CryptoExchange.Net.Logging.Extensions
         {
             _receivedData(logger, socketId, originalData, null);
         }
+
+        public static void FailedToParse(this ILogger logger, int socketId, string error)
+        {
+            _failedToParse(logger, socketId, error, null);
+        }
+
         public static void FailedToEvaluateMessage(this ILogger logger, int socketId, string originalData)
         {
             _failedToEvaluateMessage(logger, socketId, originalData, null);
@@ -321,5 +339,10 @@ namespace CryptoExchange.Net.Logging.Extensions
         {
             _receivedMessageNotMatchedToAnyListener(logger, socketId, listenId, listenIds, null);
         }
+
+        public static void SendingByteData(this ILogger logger, int socketId, int requestId, int length)
+        {
+            _sendingByteData(logger, socketId, requestId, length, null);
+        }
     }
 }

CryptoExchange.Net/Sockets/CryptoExchangeWebSocketClient.cs

@@ -377,7 +377,19 @@ namespace CryptoExchange.Net.Sockets
 
             var bytes = Parameters.Encoding.GetBytes(data);
             _logger.SocketAddingBytesToSendBuffer(Id, id, bytes);
-            _sendBuffer.Enqueue(new SendItem { Id = id, Weight = weight, Bytes = bytes });
+            _sendBuffer.Enqueue(new SendItem { Id = id, Type = WebSocketMessageType.Text, Weight = weight, Bytes = bytes });
+            _sendEvent.Set();
+            return true;
+        }
+
+        /// <inheritdoc />
+        public virtual bool Send(int id, byte[] data, int weight)
+        {
+            if (_ctsSource.IsCancellationRequested || _processState != ProcessState.Processing)
+                return false;
+
+            _logger.SocketAddingBytesToSendBuffer(Id, id, data);
+            _sendBuffer.Enqueue(new SendItem { Id = id, Type = WebSocketMessageType.Binary, Weight = weight, Bytes = data });
             _sendEvent.Set();
             return true;
         }
@@ -532,7 +544,7 @@ namespace CryptoExchange.Net.Sockets
 
                         try
                         {
-                            await _socket.SendAsync(new ArraySegment<byte>(data.Bytes, 0, data.Bytes.Length), WebSocketMessageType.Text, true, _ctsSource.Token).ConfigureAwait(false);
+                            await _socket.SendAsync(new ArraySegment<byte>(data.Bytes, 0, data.Bytes.Length), data.Type, true, _ctsSource.Token).ConfigureAwait(false);
                             await (OnRequestSent?.Invoke(data.Id) ?? Task.CompletedTask).ConfigureAwait(false);
                             _logger.SocketSentBytes(Id, data.Id, data.Bytes.Length);
                         }
@@ -858,6 +870,11 @@ namespace CryptoExchange.Net.Sockets
         /// </summary>
         public DateTime SendTime { get; set; }
 
+        /// <summary>
+        /// Message type
+        /// </summary>
+        public WebSocketMessageType Type { get; set; }
+
         /// <summary>
         /// The bytes to send
         /// </summary>

CryptoExchange.Net/Sockets/SocketConnection.cs

@@ -11,8 +11,6 @@ using System.Diagnostics;
 using CryptoExchange.Net.Clients;
 using CryptoExchange.Net.Logging.Extensions;
 using System.Threading;
-using CryptoExchange.Net.Objects.Options;
-using CryptoExchange.Net.Authentication;
 
 namespace CryptoExchange.Net.Sockets
 {
@@ -211,7 +209,8 @@ namespace CryptoExchange.Net.Sockets
         private SocketStatus _status;
 
         private readonly IMessageSerializer _serializer;
-        private readonly IByteMessageAccessor _accessor;
+        private IByteMessageAccessor? _stringMessageAccessor;
+        private IByteMessageAccessor? _byteMessageAccessor;
 
         /// <summary>
         /// The task that is sending periodic data on the websocket. Can be used for sending Ping messages every x seconds or similar. Not necessary.
@@ -258,7 +257,6 @@ namespace CryptoExchange.Net.Sockets
             _listeners = new List<IMessageProcessor>();
 
             _serializer = apiClient.CreateSerializer();
-            _accessor = apiClient.CreateAccessor();
         }
 
         /// <summary>
@@ -459,25 +457,37 @@ namespace CryptoExchange.Net.Sockets
             data = ApiClient.PreprocessStreamMessage(this, type, data);
 
             // 2. Read data into accessor
-            _accessor.Read(data);
+            IByteMessageAccessor accessor;
+            if (type == WebSocketMessageType.Binary)
+                accessor = _stringMessageAccessor ??= ApiClient.CreateAccessor(type);
+            else
+                accessor = _byteMessageAccessor ??= ApiClient.CreateAccessor(type);
+
+            var result = accessor.Read(data);
             try
             {
                 bool outputOriginalData = ApiClient.ApiOptions.OutputOriginalData ?? ApiClient.ClientOptions.OutputOriginalData;
                 if (outputOriginalData)
                 {
-                    originalData = _accessor.GetOriginalString();
+                    originalData = accessor.GetOriginalString();
                     _logger.ReceivedData(SocketId, originalData);
                 }
 
+                if (!accessor.IsValid && !ApiClient.ProcessUnparsableMessages)
+                {
+                    _logger.FailedToParse(SocketId, result.Error!.Message);
+                    return;
+                }
+
                 // 3. Determine the identifying properties of this message
-                var listenId = ApiClient.GetListenerIdentifier(_accessor);
+                var listenId = ApiClient.GetListenerIdentifier(accessor);
                 if (listenId == null)
                 {
-                    originalData = outputOriginalData ? _accessor.GetOriginalString() : "[OutputOriginalData is false]";
+                    originalData = outputOriginalData ? accessor.GetOriginalString() : "[OutputOriginalData is false]";
                     if (!ApiClient.UnhandledMessageExpected)
                         _logger.FailedToEvaluateMessage(SocketId, originalData);
 
-                    UnhandledMessage?.Invoke(_accessor);
+                    UnhandledMessage?.Invoke(accessor);
                     return;
                 }
 
@@ -494,7 +504,7 @@ namespace CryptoExchange.Net.Sockets
                         lock (_listenersLock)
                             listenerIds = _listeners.SelectMany(l => l.ListenerIdentifiers).ToList();
                         _logger.ReceivedMessageNotMatchedToAnyListener(SocketId, listenId, string.Join(",", listenerIds));
-                        UnhandledMessage?.Invoke(_accessor);
+                        UnhandledMessage?.Invoke(accessor);
                     }
 
                     return;
@@ -512,7 +522,7 @@ namespace CryptoExchange.Net.Sockets
                 foreach (var processor in processors)
                 {
                     // 5. Determine the type to deserialize to for this processor
-                    var messageType = processor.GetMessageType(_accessor);
+                    var messageType = processor.GetMessageType(accessor);
                     if (messageType == null)
                     {
                         _logger.ReceivedMessageNotRecognized(SocketId, processor.Id);
@@ -532,7 +542,7 @@ namespace CryptoExchange.Net.Sockets
 
                     if (deserialized == null)
                     {
-                        var desResult = processor.Deserialize(_accessor, messageType);
+                        var desResult = processor.Deserialize(accessor, messageType);
                         if (!desResult)
                         {
                             _logger.FailedToDeserializeMessage(SocketId, desResult.Error?.ToString(), desResult.Error?.Exception);
@@ -563,7 +573,7 @@ namespace CryptoExchange.Net.Sockets
             }
             finally
             {
-                _accessor.Clear();
+                accessor.Clear();
             }
         }
 
@@ -825,8 +835,55 @@ namespace CryptoExchange.Net.Sockets
         /// <param name="weight">The weight of the message</param>
         public virtual CallResult Send<T>(int requestId, T obj, int weight)
         {
-            var data = obj is string str ? str : _serializer.Serialize(obj!);
+            if (_serializer is IByteMessageSerializer byteSerializer)
-            return Send(requestId, data, weight);
+            {
+                return SendBytes(requestId, byteSerializer.Serialize(obj), weight);
+            }
+            else if (_serializer is IStringMessageSerializer stringSerializer)
+            {
+                if (obj is string str)
+                    return Send(requestId, str, weight);
+
+                str = stringSerializer.Serialize(obj);
+                return Send(requestId, str, weight);
+            }
+
+            throw new Exception("Unknown serializer when sending message");
+        }
+
+        /// <summary>
+        /// Send byte data over the websocket connection
+        /// </summary>
+        /// <param name="data">The data to send</param>
+        /// <param name="weight">The weight of the message</param>
+        /// <param name="requestId">The id of the request</param>
+        public virtual CallResult SendBytes(int requestId, byte[] data, int weight)
+        {
+            if (ApiClient.MessageSendSizeLimit != null && data.Length > ApiClient.MessageSendSizeLimit.Value)
+            {
+                var info = $"Message to send exceeds the max server message size ({ApiClient.MessageSendSizeLimit.Value} bytes). Split the request into batches to keep below this limit";
+                _logger.LogWarning("[Sckt {SocketId}] [Req {RequestId}] {Info}", SocketId, requestId, info);
+                return new CallResult(new InvalidOperationError(info));
+            }
+
+            if (!_socket.IsOpen)
+            {
+                _logger.LogWarning("[Sckt {SocketId}] [Req {RequestId}] failed to send, socket no longer open", SocketId, requestId);
+                return new CallResult(new WebError("Failed to send message, socket no longer open"));
+            }
+
+            _logger.SendingByteData(SocketId, requestId, data.Length);
+            try
+            {
+                if (!_socket.Send(requestId, data, weight))
+                    return new CallResult(new WebError("Failed to send message, connection not open"));
+
+                return CallResult.SuccessResult;
+            }
+            catch (Exception ex)
+            {
+                return new CallResult(new WebError("Failed to send message: " + ex.Message, exception: ex));
+            }
         }
 
         /// <summary>

CryptoExchange.Net/Testing/Implementations/TestSocket.cs

@@ -67,6 +67,17 @@ namespace CryptoExchange.Net.Testing.Implementations
             return true;
         }
 
+        public bool Send(int requestId, byte[] data, int weight)
+        {
+            if (!Connected)
+                throw new Exception("Socket not connected");
+
+            OnRequestSent?.Invoke(requestId);
+            OnMessageSend?.Invoke(Encoding.UTF8.GetString(data));
+            return true;
+        }
+
+
         public Task CloseAsync()
         {
             Connected = false;

CryptoExchange.Net/Trackers/Klines/KlineTracker.cs

@@ -176,18 +176,32 @@ namespace CryptoExchange.Net.Trackers.Klines
             Status = SyncStatus.Syncing;
             _logger.KlineTrackerStarting(SymbolName);
 
-            var startResult = await DoStartAsync().ConfigureAwait(false);
+            var subResult = await _socketClient.SubscribeToKlineUpdatesAsync(new SubscribeKlineRequest(Symbol, _interval),
-            if (!startResult)
+                 update =>
+                 {
+                     AddOrUpdate(update.Data);
+                 }).ConfigureAwait(false);
+
+            if (!subResult)
             {
-                _logger.KlineTrackerStartFailed(SymbolName, startResult.Error!.Message, startResult.Error.Exception);
+                _logger.KlineTrackerStartFailed(SymbolName, subResult.Error!.Message, subResult.Error.Exception);
                 Status = SyncStatus.Disconnected;
-                return new CallResult(startResult.Error!);
+                return subResult;
             }
 
-            _updateSubscription = startResult.Data;
+            _updateSubscription = subResult.Data;
             _updateSubscription.ConnectionLost += HandleConnectionLost;
             _updateSubscription.ConnectionClosed += HandleConnectionClosed;
             _updateSubscription.ConnectionRestored += HandleConnectionRestored;
+
+            var startResult = await DoStartAsync().ConfigureAwait(false);
+            if (!startResult)
+            {
+                _ = subResult.Data.CloseAsync();
+                Status = SyncStatus.Disconnected;                
+                return new CallResult(startResult.Error!);
+            }
+
             Status = SyncStatus.Synced;
             _logger.KlineTrackerStarted(SymbolName);
             return CallResult.SuccessResult;
@@ -208,22 +222,10 @@ namespace CryptoExchange.Net.Trackers.Klines
         /// The start procedure needed for kline syncing, generally subscribing to an update stream and requesting the snapshot
         /// </summary>
         /// <returns></returns>
-        protected virtual async Task<CallResult<UpdateSubscription>> DoStartAsync()
+        protected virtual async Task<CallResult> DoStartAsync()
         {
-            var subResult = await _socketClient.SubscribeToKlineUpdatesAsync(new SubscribeKlineRequest(Symbol, _interval),
-                 update =>
-                 {
-                     AddOrUpdate(update.Data);
-                 }).ConfigureAwait(false);
-
-            if (!subResult)
-            {
-                Status = SyncStatus.Disconnected;
-                return subResult;
-            }
-
             if (!_startWithSnapshot)
-                return subResult;
+                return CallResult.SuccessResult;
 
             var startTime = Period == null ? (DateTime?)null : DateTime.UtcNow.Add(-Period.Value);
             if (_restClient.GetKlinesOptions.MaxAge != null && DateTime.UtcNow.Add(-_restClient.GetKlinesOptions.MaxAge.Value) > startTime)
@@ -236,11 +238,7 @@ namespace CryptoExchange.Net.Trackers.Klines
             await foreach (var result in ExchangeHelpers.ExecutePages(_restClient.GetKlinesAsync, request).ConfigureAwait(false))
             {
                 if (!result)
-                {
+                    return result;                
-                    _ = subResult.Data.CloseAsync();
-                    Status = SyncStatus.Disconnected;
-                    return subResult.AsError<UpdateSubscription>(result.Error!);
-                }
 
                 if (Limit != null && data.Count > Limit)
                     break;
@@ -249,7 +247,7 @@ namespace CryptoExchange.Net.Trackers.Klines
             }
 
             SetInitialData(data);
-            return subResult;
+            return CallResult.SuccessResult;
         }
 
         /// <summary>

CryptoExchange.Net/Trackers/Trades/TradeTracker.cs

@@ -199,7 +199,12 @@ namespace CryptoExchange.Net.Trackers.Trades
             _startWithSnapshot = startWithSnapshot;
             Status = SyncStatus.Syncing;
             _logger.TradeTrackerStarting(SymbolName);
-            var subResult = await DoStartAsync().ConfigureAwait(false);
+            var subResult = await _socketClient.SubscribeToTradeUpdatesAsync(new SubscribeTradeRequest(Symbol),
+                 update =>
+                 {
+                     AddData(update.Data);
+                 }).ConfigureAwait(false);
+
             if (!subResult)
             {
                 _logger.TradeTrackerStartFailed(SymbolName, subResult.Error!.Message, subResult.Error.Exception);
@@ -211,6 +216,15 @@ namespace CryptoExchange.Net.Trackers.Trades
             _updateSubscription.ConnectionLost += HandleConnectionLost;
             _updateSubscription.ConnectionClosed += HandleConnectionClosed;
             _updateSubscription.ConnectionRestored += HandleConnectionRestored;
+
+            var result = await DoStartAsync().ConfigureAwait(false);
+            if (!result)
+            {
+                _ = subResult.Data.CloseAsync();
+                Status = SyncStatus.Disconnected;
+                return result;
+            }
+
             SetSyncStatus();
             _logger.TradeTrackerStarted(SymbolName);
             return CallResult.SuccessResult;
@@ -231,22 +245,10 @@ namespace CryptoExchange.Net.Trackers.Trades
         /// The start procedure needed for trade syncing, generally subscribing to an update stream and requesting the snapshot
         /// </summary>
         /// <returns></returns>
-        protected virtual async Task<CallResult<UpdateSubscription>> DoStartAsync()
+        protected virtual async Task<CallResult> DoStartAsync()
         {
-            var subResult = await _socketClient.SubscribeToTradeUpdatesAsync(new SubscribeTradeRequest(Symbol),
-                 update =>
-                 {
-                     AddData(update.Data);
-                 }).ConfigureAwait(false);
-
-            if (!subResult)
-            {
-                Status = SyncStatus.Disconnected;
-                return subResult;
-            }
-
             if (!_startWithSnapshot)
-                return subResult;
+                return CallResult.SuccessResult;
 
             if (_historyRestClient != null)
             {
@@ -256,12 +258,8 @@ namespace CryptoExchange.Net.Trackers.Trades
                 await foreach(var result in ExchangeHelpers.ExecutePages(_historyRestClient.GetTradeHistoryAsync, request).ConfigureAwait(false))
                 {
                     if (!result)
-                    {
+                        return result;
-                        _ = subResult.Data.CloseAsync();
+                    
-                        Status = SyncStatus.Disconnected;
-                        return subResult.AsError<UpdateSubscription>(result.Error!);
-                    }
-
                     if (Limit != null && data.Count > Limit)
                         break;
 
@@ -279,15 +277,13 @@ namespace CryptoExchange.Net.Trackers.Trades
                 var snapshot = await _recentRestClient.GetRecentTradesAsync(new GetRecentTradesRequest(Symbol, limit)).ConfigureAwait(false);
                 if (!snapshot)
                 {
-                    _ = subResult.Data.CloseAsync();
+                    return snapshot;
-                    Status = SyncStatus.Disconnected;
-                    return subResult.AsError<UpdateSubscription>(snapshot.Error!);
                 }
 
                 SetInitialData(snapshot.Data);
             }
 
-            return subResult;
+            return CallResult.SuccessResult;
         }
 
         /// <summary>

Examples/BlazorClient/BlazorClient.csproj

@@ -5,27 +5,28 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Binance.Net" Version="11.0.0" />
+    <PackageReference Include="Binance.Net" Version="11.1.0" />
-    <PackageReference Include="Bitfinex.Net" Version="9.0.0" />
+    <PackageReference Include="Bitfinex.Net" Version="9.1.0" />
-    <PackageReference Include="BitMart.Net" Version="2.0.0" />
+    <PackageReference Include="BitMart.Net" Version="2.1.0" />
-    <PackageReference Include="Bybit.Net" Version="5.0.0" />
+    <PackageReference Include="Bybit.Net" Version="5.1.0" />
-    <PackageReference Include="CoinEx.Net" Version="9.0.1" />
+    <PackageReference Include="CoinEx.Net" Version="9.1.0" />
-    <PackageReference Include="CryptoCom.Net" Version="2.0.0" />
+    <PackageReference Include="CryptoCom.Net" Version="2.1.0" />
-    <PackageReference Include="DeepCoin.Net" Version="2.0.0" />
+    <PackageReference Include="DeepCoin.Net" Version="2.1.0" />
-    <PackageReference Include="GateIo.Net" Version="2.0.0" />
+    <PackageReference Include="GateIo.Net" Version="2.1.0" />
-    <PackageReference Include="HyperLiquid.Net" Version="2.0.0" />
+    <PackageReference Include="HyperLiquid.Net" Version="2.1.1" />
-    <PackageReference Include="JK.BingX.Net" Version="2.0.0" />
+    <PackageReference Include="JK.BingX.Net" Version="2.1.0" />
-    <PackageReference Include="JK.Bitget.Net" Version="2.0.0" />
+    <PackageReference Include="JK.Bitget.Net" Version="2.1.0" />
-    <PackageReference Include="JK.Mexc.Net" Version="3.0.0" />
+    <PackageReference Include="JK.Mexc.Net" Version="3.1.0" />
-    <PackageReference Include="JK.OKX.Net" Version="3.0.0" />
+    <PackageReference Include="JK.OKX.Net" Version="3.1.0" />
-    <PackageReference Include="JKorf.BitMEX.Net" Version="2.0.0" />
+    <PackageReference Include="JKorf.BitMEX.Net" Version="2.1.0" />
-    <PackageReference Include="JKorf.Coinbase.Net" Version="2.0.0" />
+    <PackageReference Include="JKorf.Coinbase.Net" Version="2.1.0" />
-    <PackageReference Include="JKorf.HTX.Net" Version="7.0.0" />
+    <PackageReference Include="JKorf.HTX.Net" Version="7.1.0" />
-    <PackageReference Include="KrakenExchange.Net" Version="6.0.0" />
+    <PackageReference Include="KrakenExchange.Net" Version="6.1.0" />
-    <PackageReference Include="Kucoin.Net" Version="7.0.0" />
+    <PackageReference Include="Kucoin.Net" Version="7.1.0" />
     <PackageReference Include="Serilog.AspNetCore" Version="9.0.0" />
-    <PackageReference Include="WhiteBit.Net" Version="2.0.0" />
+    <PackageReference Include="Toobit.Net" Version="1.0.1" />
-    <PackageReference Include="XT.Net" Version="2.0.0" />
+    <PackageReference Include="WhiteBit.Net" Version="2.1.0" />
+    <PackageReference Include="XT.Net" Version="2.1.0" />
   </ItemGroup>
 
 </Project>

Examples/BlazorClient/Pages/Index.razor

@@ -17,6 +17,7 @@
 @inject IKucoinRestClient kucoinClient
 @inject IMexcRestClient mexcClient
 @inject IOKXRestClient okxClient
+@inject IToobitRestClient toobitClient
 @inject IWhiteBitRestClient whitebitClient
 @inject IXTRestClient xtClient
 
@@ -48,9 +49,10 @@
         var krakenTask = krakenClient.SpotApi.ExchangeData.GetTickerAsync("XBTUSD");
         var kucoinTask = kucoinClient.SpotApi.ExchangeData.GetTickerAsync("BTC-USDT");
         var mexcTask = mexcClient.SpotApi.ExchangeData.GetTickerAsync("BTCUSDT");
-        var okxTask = okxClient.UnifiedApi.ExchangeData.GetTickerAsync("BTCUSDT");
+        var okxTask = okxClient.UnifiedApi.ExchangeData.GetTickerAsync("BTC-USDT");
+        var toobitTask = toobitClient.SpotApi.ExchangeData.GetTickersAsync("BTCUSDT");
         var whitebitTask = whitebitClient.V4Api.ExchangeData.GetTickersAsync();
-        var xtTask = xtClient.SpotApi.ExchangeData.GetTickersAsync("eth_btc");
+        var xtTask = xtClient.SpotApi.ExchangeData.GetTickersAsync("btc_usdt");
 
         await Task.WhenAll(binanceTask, bingXTask, bitfinexTask, bitgetTask, bitmartTask, bybitTask, coinexTask, deepCoinTask, gateioTask, htxTask, krakenTask, kucoinTask, mexcTask, okxTask);
 
@@ -116,6 +118,9 @@
         if (okxTask.Result.Success)
             _prices.Add("OKX", okxTask.Result.Data.LastPrice ?? 0);
 
+        if (toobitTask.Result.Success)
+            _prices.Add("Toobit", toobitTask.Result.Data.Single().LastPrice ?? 0);
+
         if (whitebitTask.Result.Success){
             // WhiteBit API doesn't offer an endpoint to filter for a specific ticker, so we have to filter client side
             var tickers = whitebitTask.Result.Data;

Examples/BlazorClient/Pages/LiveData.razor

@@ -17,6 +17,7 @@
 @inject IKucoinSocketClient kucoinSocketClient
 @inject IMexcSocketClient mexcSocketClient
 @inject IOKXSocketClient okxSocketClient
+@inject IToobitSocketClient toobitSocketClient
 @inject IWhiteBitSocketClient whitebitSocketClient
 @inject IXTSocketClient xtSocketClient
 @using System.Collections.Concurrent
@@ -60,6 +61,8 @@
             kucoinSocketClient.SpotApi.SubscribeToTickerUpdatesAsync("ETH-BTC", data => UpdateData("Kucoin", data.Data.LastPrice ?? 0)),
             mexcSocketClient.SpotApi.SubscribeToMiniTickerUpdatesAsync("ETHBTC", data => UpdateData("Mexc", data.Data.LastPrice)),
             okxSocketClient.UnifiedApi.ExchangeData.SubscribeToTickerUpdatesAsync("ETH-BTC", data => UpdateData("OKX", data.Data.LastPrice ?? 0)),
+            // Toobit doesn't support the ETH/BTC pair
+            //toobitSocketClient.SpotApi.SubscribeToTickerUpdatesAsync("ETHBTC", data => UpdateData("Toobit", data.Data.LastPrice ?? 0)),
             whitebitSocketClient.V4Api.SubscribeToTickerUpdatesAsync("ETH_BTC", data => UpdateData("WhiteBit", data.Data.Ticker.LastPrice)),
         };
 

Examples/BlazorClient/Pages/OrderBooks.razor

@@ -22,6 +22,7 @@
 @using Kucoin.Net.Interfaces
 @using Mexc.Net.Interfaces
 @using OKX.Net.Interfaces;
+@using Toobit.Net.Interfaces;
 @using WhiteBit.Net.Interfaces
 @using XT.Net.Interfaces
 @inject IBinanceOrderBookFactory binanceFactory
@@ -42,6 +43,7 @@
 @inject IKucoinOrderBookFactory kucoinFactory
 @inject IMexcOrderBookFactory mexcFactory
 @inject IOKXOrderBookFactory okxFactory
+@inject IToobitOrderBookFactory toobitFactory
 @inject IWhiteBitOrderBookFactory whitebitFactory
 @inject IXTOrderBookFactory xtFactory
 @implements IDisposable
@@ -97,6 +99,8 @@
                 { "Kucoin", kucoinFactory.CreateSpot("ETH-BTC") },
                 { "Mexc", mexcFactory.CreateSpot("ETHBTC") },
                 { "OKX", okxFactory.Create("ETH-BTC") },
+                // Toobit does not support the ETH/BTC pair
+                //{ "Toobit", toobitFactory.Create("ETH/BTC") },
                 { "WhiteBit", whitebitFactory.CreateV4("ETH_BTC") },
                 { "XT", xtFactory.CreateSpot("eth_btc") },
             };

Examples/BlazorClient/Pages/Trackers.razor

@@ -23,6 +23,7 @@
 @using Kucoin.Net.Interfaces
 @using Mexc.Net.Interfaces
 @using OKX.Net.Interfaces;
+@using Toobit.Net.Interfaces;
 @using WhiteBit.Net.Interfaces
 @using XT.Net.Interfaces
 @inject IBinanceTrackerFactory binanceFactory
@@ -43,6 +44,7 @@
 @inject IKucoinTrackerFactory kucoinFactory
 @inject IMexcTrackerFactory mexcFactory
 @inject IOKXTrackerFactory okxFactory
+@inject IToobitTrackerFactory toobitFactory
 @inject IWhiteBitTrackerFactory whitebitFactory
 @inject IXTTrackerFactory xtFactory
 @implements IDisposable
@@ -90,6 +92,7 @@
                 { kucoinFactory.CreateTradeTracker(usdtSymbol, period: TimeSpan.FromMinutes(5)) },
                 { mexcFactory.CreateTradeTracker(usdtSymbol, period: TimeSpan.FromMinutes(5)) },
                 { okxFactory.CreateTradeTracker(usdtSymbol, period: TimeSpan.FromMinutes(5)) },
+                { toobitFactory.CreateTradeTracker(usdtSymbol, period: TimeSpan.FromMinutes(5)) },
                 { whitebitFactory.CreateTradeTracker(usdtSymbol, period: TimeSpan.FromMinutes(5)) },
                 { xtFactory.CreateTradeTracker(usdtSymbol, period: TimeSpan.FromMinutes(5)) },
             };

Examples/BlazorClient/Startup.cs

@@ -50,6 +50,7 @@ namespace BlazorClient
             services.AddKucoin();
             services.AddMexc();
             services.AddOKX();
+            services.AddToobit();
             services.AddWhiteBit();
             services.AddXT();
         }

Examples/BlazorClient/_Imports.razor

@@ -26,6 +26,7 @@
 @using Kucoin.Net.Interfaces.Clients;
 @using Mexc.Net.Interfaces.Clients;
 @using OKX.Net.Interfaces.Clients;
+@using Toobit.Net.Interfaces.Clients;
 @using WhiteBit.Net.Interfaces.Clients
 @using XT.Net.Interfaces.Clients
 @using CryptoExchange.Net.Interfaces;

Examples/ConsoleClient/ConsoleClient.csproj

@@ -6,20 +6,20 @@
   </PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="Binance.Net" Version="11.0.0" />
+		<PackageReference Include="Binance.Net" Version="11.1.0" />
-	<PackageReference Include="Bitfinex.Net" Version="9.0.0" />
+	<PackageReference Include="Bitfinex.Net" Version="9.1.0" />
-	<PackageReference Include="BitMart.Net" Version="2.0.0" />
+	<PackageReference Include="BitMart.Net" Version="2.1.0" />
-	<PackageReference Include="Bybit.Net" Version="5.0.0" />
+	<PackageReference Include="Bybit.Net" Version="5.1.0" />
-	<PackageReference Include="CoinEx.Net" Version="9.0.0" />
+	<PackageReference Include="CoinEx.Net" Version="9.1.0" />
-	<PackageReference Include="CryptoCom.Net" Version="2.0.0" />
+	<PackageReference Include="CryptoCom.Net" Version="2.1.0" />
-	<PackageReference Include="GateIo.Net" Version="2.0.0" />
+	<PackageReference Include="GateIo.Net" Version="2.1.0" />
-	<PackageReference Include="JK.Bitget.Net" Version="2.0.0" />
+	<PackageReference Include="JK.Bitget.Net" Version="2.1.0" />
-	<PackageReference Include="JK.Mexc.Net" Version="3.0.0" />
+	<PackageReference Include="JK.Mexc.Net" Version="3.1.0" />
-	<PackageReference Include="JK.OKX.Net" Version="3.0.0" />
+	<PackageReference Include="JK.OKX.Net" Version="3.1.0" />
-	<PackageReference Include="JKorf.Coinbase.Net" Version="2.0.0" />
+	<PackageReference Include="JKorf.Coinbase.Net" Version="2.1.0" />
-	<PackageReference Include="JKorf.HTX.Net" Version="7.0.0" />
+	<PackageReference Include="JKorf.HTX.Net" Version="7.1.0" />
-	<PackageReference Include="KrakenExchange.Net" Version="6.0.0" />
+	<PackageReference Include="KrakenExchange.Net" Version="6.1.0" />
-		<PackageReference Include="Kucoin.Net" Version="7.0.0" />
+		<PackageReference Include="Kucoin.Net" Version="7.1.0" />
 	</ItemGroup>
 
 </Project>

Examples/SharedClients/SharedClients.csproj

@@ -8,9 +8,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Binance.Net" Version="11.0.0" />
+    <PackageReference Include="Binance.Net" Version="11.1.0" />
-    <PackageReference Include="BitMart.Net" Version="2.0.0" />
+    <PackageReference Include="BitMart.Net" Version="2.1.0" />
-    <PackageReference Include="JK.OKX.Net" Version="3.0.0" />
+    <PackageReference Include="JK.OKX.Net" Version="3.1.0" />
   </ItemGroup>
 
 </Project>

README.md

@@ -31,6 +31,7 @@ Full list of all libraries part of the CryptoExchange.Net ecosystem. Consider us
 |![Kucoin](https://raw.githubusercontent.com/JKorf/Kucoin.Net/refs/heads/master/Kucoin.Net/Icon/icon.png)|Kucoin|CEX|[JKorf/Kucoin.Net](https://github.com/JKorf/Kucoin.Net)|[![Nuget version](https://img.shields.io/nuget/v/Kucoin.net.svg?style=flat-square)](https://www.nuget.org/packages/Kucoin.Net)|[Link](https://www.kucoin.com/r/rf/QBS4FPED)|-|
 |![Mexc](https://raw.githubusercontent.com/JKorf/Mexc.Net/refs/heads/main/Mexc.Net/Icon/icon.png)|Mexc|CEX|[JKorf/Mexc.Net](https://github.com/JKorf/Mexc.Net)|[![Nuget version](https://img.shields.io/nuget/v/JK.Mexc.net.svg?style=flat-square)](https://www.nuget.org/packages/JK.Mexc.Net)|-|-|
 |![OKX](https://raw.githubusercontent.com/JKorf/OKX.Net/refs/heads/main/OKX.Net/Icon/icon.png)|OKX|CEX|[JKorf/OKX.Net](https://github.com/JKorf/OKX.Net)|[![Nuget version](https://img.shields.io/nuget/v/JK.OKX.net.svg?style=flat-square)](https://www.nuget.org/packages/JK.OKX.Net)|[Link](https://www.okx.com/join/14592495)|20%|
+|![Toobit](https://raw.githubusercontent.com/JKorf/Toobit.Net/refs/heads/main/Toobit.Net/Icon/icon.png)|Toobit|CEX|[JKorf/Toobit.Net](https://github.com/JKorf/Toobit.Net)|[![Nuget version](https://img.shields.io/nuget/v/Toobit.net.svg?style=flat-square)](https://www.nuget.org/packages/Toobit.Net)|[Link](https://www.toobit.com/en-US/register?invite_code=zsV19h)|-|
 |![WhiteBit](https://raw.githubusercontent.com/JKorf/WhiteBit.Net/refs/heads/main/WhiteBit.Net/Icon/icon.png)|WhiteBit|CEX|[JKorf/WhiteBit.Net](https://github.com/JKorf/WhiteBit.Net)|[![Nuget version](https://img.shields.io/nuget/v/WhiteBit.net.svg?style=flat-square)](https://www.nuget.org/packages/WhiteBit.Net)|[Link](https://whitebit.com/referral/a8e59b59-186c-4662-824c-3095248e0edf)|-|
 |![XT](https://raw.githubusercontent.com/JKorf/XT.Net/refs/heads/main/XT.Net/Icon/icon.png)|XT|CEX|[JKorf/XT.Net](https://github.com/JKorf/XT.Net)|[![Nuget version](https://img.shields.io/nuget/v/XT.net.svg?style=flat-square)](https://www.nuget.org/packages/XT.Net)|[Link](https://www.xt.com/ru/accounts/register?ref=CZG39C)|25%|
 
@@ -57,6 +58,17 @@ Make a one time donation in a crypto currency of your choice. If you prefer to d
 Alternatively, sponsor me on Github using [Github Sponsors](https://github.com/sponsors/JKorf). 
 
 ## Release notes
+* Version 9.2.1 - 16 Jul 2025
+    * Added setting for whether or not to process unparsable websocket messages
+    * Fixed issue causing duplicate subscriptions and data in the TradeTracker and KlineTracker when websocket connection was reconnected
+
+* Version 9.2.0 - 14 Jul 2025
+    * Added support for sending byte data on websocket
+    * Added support for handling both string and byte data with different IMessageAccessor types
+    * Split IMessageSerializer into IByteMessageSerializer and IStringMessageSerializer
+    * Renamed IMessageAccessor.IsJson to IsValid
+    * Refactored ArrayConverter to remove separate converter options cache
+
 * Version 9.1.0 - 28 May 2025
     * Added JsonConverter implementation for SharedQuantity and SharedSymbol types, making usage of the types easier
     * Updated dotnet dependency packages from 9.0.0 to 9.0.5