src/FrostFS.SDK.Client/FrostFSClient.cs

@@ -49,7 +49,7 @@ public class FrostFSClient : IFrostFSClient
 
     internal ClientContext ClientCtx { get; set; }
 
-    public static IFrostFSClient GetSingleOwnerInstance(IOptions<ClientSettings> clientOptions, GrpcChannelOptions? channelOptions = null)
+    public static IFrostFSClient GetInstance(IOptions<ClientSettings> clientOptions, GrpcChannelOptions? channelOptions = null)
     {
         return new FrostFSClient(clientOptions, channelOptions);
     }
@@ -170,229 +170,134 @@ public class FrostFSClient : IFrostFSClient
     }
 
     #region ApeManagerImplementation
-    public Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args)
+    public Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args, CallContext ctx)
     {
-        if (args is null)
-        {
-            throw new ArgumentNullException(nameof(args));
-        }
-
-        var service = GetApeManagerService();
-        return service.AddChainAsync(args);
+        return GetApeManagerService().AddChainAsync(args, ctx);
     }
 
-    public Task RemoveChainAsync(PrmApeChainRemove args)
+    public Task RemoveChainAsync(PrmApeChainRemove args, CallContext ctx)
     {
-        if (args is null)
-        {
-            throw new ArgumentNullException(nameof(args));
-        }
-
-        var service = GetApeManagerService();
-        return service.RemoveChainAsync(args);
+        return GetApeManagerService().RemoveChainAsync(args, ctx);
     }
 
-    public Task<Chain[]> ListChainAsync(PrmApeChainList args)
+    public Task<Chain[]> ListChainAsync(PrmApeChainList args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetApeManagerService();
-        return service.ListChainAsync(args);
+        return GetApeManagerService().ListChainAsync(args, ctx);
     }
     #endregion
 
     #region ContainerImplementation
-    public Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args)
+    public Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetContainerService();
-        return service.GetContainerAsync(args);
+        return GetContainerService().GetContainerAsync(args, ctx);
     }
 
-    public IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll? args = null)
+    public IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll args, CallContext ctx)
     {
-        args ??= new PrmContainerGetAll();
-        var service = GetContainerService();
-        return service.ListContainersAsync(args);
+        return GetContainerService().ListContainersAsync(args, ctx);
     }
 
-    public Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args)
+    public Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetContainerService();
-        return service.CreateContainerAsync(args);
+        return GetContainerService().CreateContainerAsync(args, ctx);
     }
 
-    public Task DeleteContainerAsync(PrmContainerDelete args)
+    public Task DeleteContainerAsync(PrmContainerDelete args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetContainerService();
-        return service.DeleteContainerAsync(args);
+        return GetContainerService().DeleteContainerAsync(args, ctx);
     }
     #endregion
 
     #region NetworkImplementation
-    public Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(PrmNetmapSnapshot? args)
+    public Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(CallContext ctx)
     {
-        args ??= new PrmNetmapSnapshot();
-        var service = GetNetmapService();
-        return service.GetNetmapSnapshotAsync(args);
+        return GetNetmapService().GetNetmapSnapshotAsync(ctx);
     }
 
-    public Task<FrostFsNodeInfo> GetNodeInfoAsync(PrmNodeInfo? args)
+    public Task<FrostFsNodeInfo> GetNodeInfoAsync(CallContext ctx)
     {
-        args ??= new PrmNodeInfo();
-        var service = GetNetmapService();
-        return service.GetLocalNodeInfoAsync(args);
+        return GetNetmapService().GetLocalNodeInfoAsync(ctx);
     }
 
-    public Task<NetworkSettings> GetNetworkSettingsAsync(PrmNetworkSettings? args)
+    public Task<NetworkSettings> GetNetworkSettingsAsync(CallContext ctx)
     {
-        args ??= new PrmNetworkSettings();
-        var service = GetNetmapService();
-        return service.GetNetworkSettingsAsync(args.Context!);
+        return GetNetmapService().GetNetworkSettingsAsync(ctx);
     }
     #endregion
 
     #region ObjectImplementation
-    public Task<FrostFsObjectHeader> GetObjectHeadAsync(PrmObjectHeadGet args)
+    public Task<FrostFsHeaderResult> GetObjectHeadAsync(PrmObjectHeadGet args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.GetObjectHeadAsync(args);
+        return GetObjectService().GetObjectHeadAsync(args, ctx);
     }
 
-    public Task<FrostFsObject> GetObjectAsync(PrmObjectGet args)
+    public Task<FrostFsObject> GetObjectAsync(PrmObjectGet args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.GetObjectAsync(args);
+        return GetObjectService().GetObjectAsync(args, ctx);
     }
 
-    public Task<RangeReader> GetRangeAsync(PrmRangeGet args)
+    public Task<RangeReader> GetRangeAsync(PrmRangeGet args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.GetRangeAsync(args);
+        return GetObjectService().GetRangeAsync(args, ctx);
     }
 
-    public Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args)
+    public Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.GetRangeHashAsync(args);
+        return GetObjectService().GetRangeHashAsync(args, ctx);
     }
 
-    public Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args)
+    public Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.PutObjectAsync(args);
+        return GetObjectService().PutObjectAsync(args, ctx);
     }
 
-    public Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args)
+    public Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.PutSingleObjectAsync(args);
+        return GetObjectService().PutSingleObjectAsync(args, ctx);
     }
 
-    public Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args)
+    public Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args, CallContext ctx)
     {
-        if (args is null)
-        {
-            throw new ArgumentNullException(nameof(args));
-        }
-
-        var service = GetObjectService();
-        return service.PatchObjectAsync(args);
+        return GetObjectService().PatchObjectAsync(args, ctx);
     }
 
-    public Task DeleteObjectAsync(PrmObjectDelete args)
+    public Task DeleteObjectAsync(PrmObjectDelete args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.DeleteObjectAsync(args);
+        return GetObjectService().DeleteObjectAsync(args, ctx);
     }
 
-    public IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args)
+    public IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var service = GetObjectService();
-        return service.SearchObjectsAsync(args);
+        return GetObjectService().SearchObjectsAsync(args, ctx);
     }
     #endregion
 
     #region Session Implementation
-    public async Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args)
+    public async Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
-        var token = await CreateSessionInternalAsync(args).ConfigureAwait(false);
+        var token = await CreateSessionInternalAsync(args, ctx).ConfigureAwait(false);
 
         return new FrostFsSessionToken(token);
     }
 
-    internal Task<SessionToken> CreateSessionInternalAsync(PrmSessionCreate args)
+    internal Task<SessionToken> CreateSessionInternalAsync(PrmSessionCreate args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
         var service = GetSessionService();
-        return service.CreateSessionAsync(args);
+        return service.CreateSessionAsync(args, ctx);
     }
     #endregion
 
     #region Accounting Implementation
-    public async Task<Accounting.Decimal> GetBalanceAsync(PrmBalance? args)
+    public async Task<Accounting.Decimal> GetBalanceAsync(CallContext ctx)
     {
-        args ??= new PrmBalance();
-
-        var service = GetAccouningService();
-        return await service.GetBallance(args).ConfigureAwait(false);
+        return await GetAccouningService().GetBallance(ctx).ConfigureAwait(false);
     }
     #endregion
 
-    #region ToolsImplementation
-    public FrostFsObjectId CalculateObjectId(FrostFsObjectHeader header)
+    private async void CheckFrostFsVersionSupport(CallContext ctx)
     {
-        if (header == null)
-            throw new ArgumentNullException(nameof(header));
-
-        return ObjectTools.CalculateObjectId(header, this.ClientCtx);
-    }
-    #endregion
-
-    private async void CheckFrostFsVersionSupport(CallContext? ctx = default)
-    {
-        var args = new PrmNodeInfo(ctx);
-
         var service = GetNetmapService();
-        var localNodeInfo = await service.GetLocalNodeInfoAsync(args).ConfigureAwait(false);
+        var localNodeInfo = await service.GetLocalNodeInfoAsync(ctx).ConfigureAwait(false);
 
         if (!localNodeInfo.Version.IsSupported(ClientCtx.Version))
         {
@@ -559,10 +464,8 @@ public class FrostFSClient : IFrostFSClient
 
     public async Task<string?> Dial(CallContext ctx)
     {
-        var prm = new PrmBalance(ctx);
-
         var service = GetAccouningService();
-        _ = await service.GetBallance(prm).ConfigureAwait(false);
+        _ = await service.GetBallance(ctx).ConfigureAwait(false);
 
         return null;
     }

src/FrostFS.SDK.Client/Interfaces/IFrostFSClient.cs

@@ -9,61 +9,57 @@ namespace FrostFS.SDK.Client.Interfaces;
 public interface IFrostFSClient : IDisposable
 {
     #region Network
-    Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(PrmNetmapSnapshot? args = null);
+    Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(CallContext ctx);
 
-    Task<FrostFsNodeInfo> GetNodeInfoAsync(PrmNodeInfo? args = null);
+    Task<FrostFsNodeInfo> GetNodeInfoAsync(CallContext ctx);
 
-    Task<NetworkSettings> GetNetworkSettingsAsync(PrmNetworkSettings? args = null);
+    Task<NetworkSettings> GetNetworkSettingsAsync(CallContext ctx);
     #endregion
 
     #region Session
-    Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args);
+    Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args, CallContext ctx);
     #endregion
 
     #region ApeManager
-    Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args);
+    Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args, CallContext ctx);
 
-    Task RemoveChainAsync(PrmApeChainRemove args);
+    Task RemoveChainAsync(PrmApeChainRemove args, CallContext ctx);
 
-    Task<Chain[]> ListChainAsync(PrmApeChainList args);
+    Task<Chain[]> ListChainAsync(PrmApeChainList args, CallContext ctx);
     #endregion
 
     #region Container
-    Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args);
+    Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args, CallContext ctx);
 
-    IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll? args = null);
+    IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll args, CallContext ctx);
 
-    Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args);
+    Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args, CallContext ctx);
 
-    Task DeleteContainerAsync(PrmContainerDelete args);
+    Task DeleteContainerAsync(PrmContainerDelete args, CallContext ctx);
     #endregion
 
     #region Object
-    Task<FrostFsObjectHeader> GetObjectHeadAsync(PrmObjectHeadGet args);
+    Task<FrostFsHeaderResult> GetObjectHeadAsync(PrmObjectHeadGet args, CallContext ctx);
 
-    Task<FrostFsObject> GetObjectAsync(PrmObjectGet args);
+    Task<FrostFsObject> GetObjectAsync(PrmObjectGet args, CallContext ctx);
 
-    Task<RangeReader> GetRangeAsync(PrmRangeGet args);
+    Task<RangeReader> GetRangeAsync(PrmRangeGet args, CallContext ctx);
 
-    Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args);
+    Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args, CallContext ctx);
 
-    Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args);
+    Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args, CallContext ctx);
 
-    Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args);
+    Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args, CallContext ctx);
 
-    Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args);
+    Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args, CallContext ctx);
 
-    Task DeleteObjectAsync(PrmObjectDelete args);
+    Task DeleteObjectAsync(PrmObjectDelete args, CallContext ctx);
 
-    IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args);
+    IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args, CallContext ctx);
     #endregion
 
     #region Account
-    Task<Accounting.Decimal> GetBalanceAsync(PrmBalance? args = null);
-    #endregion
-
-    #region Tools
-    FrostFsObjectId CalculateObjectId(FrostFsObjectHeader header);
+    Task<Accounting.Decimal> GetBalanceAsync(CallContext ctx);
     #endregion
 
     public Task<string?> Dial(CallContext ctx);

src/FrostFS.SDK.Client/Models/Chain/ChainTarget.cs

@@ -36,13 +36,19 @@ public struct FrostFsChainTarget(FrostFsTargetType type, string name) : IEquatab
 
     public override readonly bool Equals(object obj)
     {
-        var target = (FrostFsChainTarget)obj;
-        return Equals(target);
+        if (obj == null || obj is not FrostFsChainTarget)
+            return false;
+
+        return Equals((FrostFsChainTarget)obj);
+    }
+    public readonly bool Equals(FrostFsChainTarget other)
+    {
+        return Type == other.Type && Name.Equals(other.Name, StringComparison.Ordinal);
     }
 
     public override readonly int GetHashCode()
     {
-        return $"{Name}{Type}".GetHashCode();
+        return Name.GetHashCode() ^ (int)Type;
     }
 
     public static bool operator ==(FrostFsChainTarget left, FrostFsChainTarget right)
@@ -54,9 +60,4 @@ public struct FrostFsChainTarget(FrostFsTargetType type, string name) : IEquatab
     {
         return !(left == right);
     }
-
-    public readonly bool Equals(FrostFsChainTarget other)
-    {
-        return Type == other.Type && Name.Equals(other.Name, StringComparison.Ordinal);
-    }
 }

src/FrostFS.SDK.Client/Models/Object/FrostFsHeaderResult.cs

@@ -0,0 +1,8 @@
+namespace FrostFS.SDK;
+
+public class FrostFsHeaderResult
+{
+    public FrostFsObjectHeader? HeaderInfo { get; internal set; }
+
+    public FrostFsSplitInfo? SplitInfo { get; internal set; }
+}

src/FrostFS.SDK.Client/Models/Object/FrostFsSplit.cs

@@ -24,5 +24,4 @@ public class FrostFsSplit(SplitId splitId,
     public FrostFsObjectHeader? ParentHeader { get; set; } = parentHeader;
 
     public ReadOnlyCollection<FrostFsObjectId>? Children { get; } = children;
-
 }

src/FrostFS.SDK.Client/Models/Object/FrostFsSplitInfo.cs

@@ -0,0 +1,26 @@
+using FrostFS.Object;
+using FrostFS.SDK.Cryptography;
+
+namespace FrostFS.SDK;
+
+public class FrostFsSplitInfo
+{
+    private readonly SplitInfo _splitInfo;
+
+    private SplitId? _splitId;
+
+    private FrostFsObjectId? _link;
+
+    private FrostFsObjectId? _lastPart;
+
+    internal FrostFsSplitInfo(SplitInfo splitInfo)
+    {
+        _splitInfo = splitInfo;
+    }
+
+    public SplitId SplitId => _splitId ??= new SplitId(_splitInfo.SplitId.ToUuid());
+
+    public FrostFsObjectId Link => _link ??= FrostFsObjectId.FromHash(_splitInfo.Link.Value.Span);
+
+    public FrostFsObjectId LastPart => _lastPart ??= FrostFsObjectId.FromHash(_splitInfo.LastPart.Value.Span);
+}

src/FrostFS.SDK.Client/Parameters/CallContext.cs

@@ -3,22 +3,42 @@ using System.Threading;
 
 namespace FrostFS.SDK.Client;
 
-public class CallContext()
+public readonly struct CallContext(TimeSpan timeout, CancellationToken cancellationToken = default) : IEquatable<CallContext>
 {
+    public CancellationToken CancellationToken { get; } = cancellationToken;
 
-    //    internal Action<Exception>? PoolErrorHandler { get; set; }
+    public TimeSpan Timeout { get; } = timeout;
 
-    //    public FrostFsOwner? OwnerId { get; set; }
+    internal readonly DateTime? GetDeadline()
+    {
+        return Timeout.Ticks > 0 ? DateTime.UtcNow.Add(Timeout) : null;
+    }
 
-    //   public FrostFsVersion? Version { get; set; }
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not CallContext)
+            return false;
 
-    public CancellationToken CancellationToken { get; set; }
+        return Equals((CallContext)obj);
+    }
 
-    public TimeSpan Timeout { get; set; }
+    public bool Equals(CallContext other)
+    {
+        return Timeout == other.Timeout && CancellationToken.Equals(other.CancellationToken);
+    }
 
-    public DateTime? Deadline => Timeout.Ticks > 0 ? DateTime.UtcNow.Add(Timeout) : null;
+    public override int GetHashCode()
+    {
+        return CancellationToken.GetHashCode() ^ Timeout.GetHashCode();
+    }
 
-    //    public Action<CallStatistics>? Callback { get; set; }
+    public static bool operator ==(CallContext left, CallContext right)
+    {
+        return left.Equals(right);
+    }
 
-    //  public Collection<Interceptor> Interceptors { get; } = [];
+    public static bool operator !=(CallContext left, CallContext right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/Credentials.cs

@@ -1,10 +0,0 @@
-using System.Security.Cryptography;
-
-namespace FrostFS.SDK.Client;
-
-public class Credentials(ECDsa key, FrostFsOwner ownerId)
-{
-    public ECDsa Key { get; } = key;
-
-    public FrostFsOwner OwnerId { get; } = ownerId;
-}

src/FrostFS.SDK.Client/Parameters/IContext.cs

@@ -1,11 +0,0 @@
-namespace FrostFS.SDK.Client;
-
-public interface IContext
-{
-    /// <summary>
-    /// The method call can be extended with additional behavior like canceling by timeout or user's request,
-    /// callbacks, interceptors.
-    /// </summary>
-    /// <value>Additional parameters for calling the method</value>
-    CallContext? Context { get; }
-}

src/FrostFS.SDK.Client/Parameters/ISessionToken.cs

@@ -8,5 +8,5 @@ public interface ISessionToken
     /// member. The session has a limited validity period, and applies to a strictly defined set of operations.
     /// </summary>
     /// <value>Instance of the session obtained from the server</value> 
-    FrostFsSessionToken? SessionToken { get; set; }
+    FrostFsSessionToken? SessionToken { get; }
 }

src/FrostFS.SDK.Client/Parameters/PrmApeChainAdd.cs

@@ -0,0 +1,43 @@
+namespace FrostFS.SDK.Client;
+
+public readonly struct PrmApeChainAdd(FrostFsChainTarget target, FrostFsChain chain, string[]? xheaders = null) : System.IEquatable<PrmApeChainAdd>
+{
+    public FrostFsChainTarget Target { get; } = target;
+
+    public FrostFsChain Chain { get; } = chain;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmApeChainAdd)
+            return false;
+
+        return Equals((PrmApeChainAdd)obj);
+    }
+
+    public readonly bool Equals(PrmApeChainAdd other)
+    {
+        return Target == other.Target
+            && Chain == other.Chain
+            && XHeaders == other.XHeaders;
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Chain.GetHashCode() ^ Target.GetHashCode() ^ XHeaders.GetHashCode();
+    }
+
+    public static bool operator ==(PrmApeChainAdd left, PrmApeChainAdd right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmApeChainAdd left, PrmApeChainAdd right)
+    {
+        return !(left == right);
+    }
+}

src/FrostFS.SDK.Client/Parameters/PrmApeChainList.cs

@@ -1,6 +1,40 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmApeChainList(FrostFsChainTarget target, CallContext? ctx = null) : PrmBase(ctx)
+public readonly struct PrmApeChainList(FrostFsChainTarget target, string[]? xheaders = null) : System.IEquatable<PrmApeChainList>
 {
     public FrostFsChainTarget Target { get; } = target;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmApeChainList)
+            return false;
+
+        return Equals((PrmApeChainList)obj);
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Target.GetHashCode() ^ XHeaders.GetHashCode();
+    }
+
+    public readonly bool Equals(PrmApeChainList other)
+    {
+        return Target == other.Target
+            && XHeaders == other.XHeaders;
+    }
+
+    public static bool operator ==(PrmApeChainList left, PrmApeChainList right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmApeChainList left, PrmApeChainList right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmApeChainRemove.cs

@@ -1,8 +1,46 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmApeChainRemove(FrostFsChainTarget target, FrostFsChain chain, CallContext? ctx = null) : PrmBase(ctx)
+public readonly struct PrmApeChainRemove(
+    FrostFsChainTarget target,
+    FrostFsChain chain,
+    string[]? xheaders = null) : System.IEquatable<PrmApeChainRemove>
 {
     public FrostFsChainTarget Target { get; } = target;
 
     public FrostFsChain Chain { get; } = chain;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmApeChainRemove)
+            return false;
+
+        return Equals((PrmApeChainRemove)obj);
+    }
+
+    public readonly bool Equals(PrmApeChainRemove other)
+    {
+        return Target == other.Target
+            && Chain == other.Chain
+            && XHeaders == other.XHeaders;
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Chain.GetHashCode() ^ Target.GetHashCode() ^ XHeaders.GetHashCode();
+    }
+
+    public static bool operator ==(PrmApeChainRemove left, PrmApeChainRemove right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmApeChainRemove left, PrmApeChainRemove right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmApeRemoveAdd.cs

@@ -1,8 +0,0 @@
-namespace FrostFS.SDK.Client;
-
-public sealed class PrmApeChainAdd(FrostFsChainTarget target, FrostFsChain chain, CallContext? ctx = null) : PrmBase(ctx)
-{
-    public FrostFsChainTarget Target { get; } = target;
-
-    public FrostFsChain Chain { get; } = chain;
-}

src/FrostFS.SDK.Client/Parameters/PrmBalance.cs

@@ -1,5 +0,0 @@
-namespace FrostFS.SDK.Client;
-
-public sealed class PrmBalance(CallContext? ctx = null) : PrmBase(ctx)
-{
-}

src/FrostFS.SDK.Client/Parameters/PrmBase.cs

@@ -1,14 +0,0 @@
-using System.Collections.Specialized;
-
-namespace FrostFS.SDK.Client;
-
-public class PrmBase(CallContext? ctx, NameValueCollection? xheaders = null) : IContext
-{
-    /// <summary>
-    /// FrostFS request X-Headers
-    /// </summary>
-    public NameValueCollection XHeaders { get; } = xheaders ?? [];
-
-    /// <inheritdoc />
-    public CallContext Context { get; } = ctx ?? new CallContext();
-}

src/FrostFS.SDK.Client/Parameters/PrmContainerCreate.cs

@@ -1,17 +1,61 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmContainerCreate(FrostFsContainerInfo container, CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public readonly struct PrmContainerCreate(
+    FrostFsContainerInfo container,
+    PrmWait waitParams,
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmContainerCreate>
 {
-    public FrostFsContainerInfo Container { get; set; } = container;
+    public FrostFsContainerInfo Container { get; } = container;
 
     /// <summary>
     /// Since the container becomes available with some delay, it needs to poll the container status
     /// </summary>
     /// <value>Rules for polling the result</value>
-    public PrmWait? WaitParams { get; set; }
+    public PrmWait WaitParams { get; } = waitParams;
 
     /// <summary>
     /// Blank session token
     /// </summary>
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmContainerCreate)
+            return false;
+
+        return Equals((PrmContainerCreate)obj);
+    }
+
+    public readonly bool Equals(PrmContainerCreate other)
+    {
+        return Container == other.Container
+            && WaitParams == other.WaitParams
+            && SessionToken == other.SessionToken
+            && XHeaders == other.XHeaders;
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Container.GetHashCode()
+            ^ WaitParams.GetHashCode()
+            ^ (SessionToken == null ? 0 : SessionToken.GetHashCode())
+            ^ XHeaders.GetHashCode();
+    }
+
+    public static bool operator ==(PrmContainerCreate left, PrmContainerCreate right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmContainerCreate left, PrmContainerCreate right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmContainerDelete.cs

@@ -1,14 +1,52 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmContainerDelete(FrostFsContainerId containerId, CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public readonly struct PrmContainerDelete(
+    FrostFsContainerId containerId,
+    PrmWait waitParams,
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmContainerDelete>
 {
-    public FrostFsContainerId ContainerId { get; set; } = containerId;
+    public FrostFsContainerId ContainerId { get; } = containerId;
 
     /// <summary>
     /// Since the container is removed with some delay, it needs to poll the container status
     /// </summary>
     /// <value>Rules for polling the result</value>
-    public PrmWait? WaitParams { get; set; }
+    public PrmWait WaitParams { get; } = waitParams;
 
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmContainerDelete)
+            return false;
+
+        return Equals((PrmContainerDelete)obj);
+    }
+
+    public readonly bool Equals(PrmContainerDelete other)
+    {
+        return ContainerId == other.ContainerId
+            && WaitParams.Equals(other.WaitParams);
+    }
+
+    public override int GetHashCode()
+    {
+        return ContainerId.GetHashCode() ^ WaitParams.GetHashCode();
+    }
+
+    public static bool operator ==(PrmContainerDelete left, PrmContainerDelete right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmContainerDelete left, PrmContainerDelete right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmContainerGet.cs

@@ -1,6 +1,40 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmContainerGet(FrostFsContainerId container, CallContext? ctx = null) : PrmBase(ctx)
+public readonly struct PrmContainerGet(FrostFsContainerId container, string[]? xheaders = null) : System.IEquatable<PrmContainerGet>
 {
-    public FrostFsContainerId Container { get; set; } = container;
+    public FrostFsContainerId Container { get; } = container;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmContainerGet)
+            return false;
+
+        return Equals((PrmContainerGet)obj);
+    }
+
+    public readonly bool Equals(PrmContainerGet other)
+    {
+        return GetHashCode() == other.GetHashCode();
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Container.GetHashCode()
+            ^ XHeaders.GetHashCode();
+    }
+
+    public static bool operator ==(PrmContainerGet left, PrmContainerGet right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmContainerGet left, PrmContainerGet right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmContainerGetAll.cs

@@ -1,5 +1,39 @@
-namespace FrostFS.SDK.Client;
+using System;
 
-public sealed class PrmContainerGetAll(CallContext? ctx = null) : PrmBase(ctx)
+namespace FrostFS.SDK.Client;
+
+public readonly struct PrmContainerGetAll(string[]? xheaders = null) : IEquatable<PrmContainerGetAll>
 {
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmContainerGetAll)
+            return false;
+
+        return Equals((PrmContainerGetAll)obj);
+    }
+
+    public readonly bool Equals(PrmContainerGetAll other)
+    {
+        return XHeaders == other.XHeaders;
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return XHeaders.GetHashCode();
+    }
+
+    public static bool operator ==(PrmContainerGetAll left, PrmContainerGetAll right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmContainerGetAll left, PrmContainerGetAll right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmNetmapSnapshot.cs

@@ -1,5 +0,0 @@
-namespace FrostFS.SDK.Client;
-
-public sealed class PrmNetmapSnapshot(CallContext? ctx = null) : PrmBase(ctx)
-{
-}

src/FrostFS.SDK.Client/Parameters/PrmNetworkSettings.cs

@@ -1,5 +0,0 @@
-namespace FrostFS.SDK.Client;
-
-public sealed class PrmNetworkSettings(CallContext? ctx = null) : PrmBase(ctx)
-{
-}

src/FrostFS.SDK.Client/Parameters/PrmNodeInfo.cs

@@ -1,5 +0,0 @@
-namespace FrostFS.SDK.Client;
-
-public sealed class PrmNodeInfo(CallContext? ctx = null) : PrmBase(ctx)
-{
-}

src/FrostFS.SDK.Client/Parameters/PrmObjectDelete.cs

@@ -1,11 +1,51 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmObjectDelete(FrostFsContainerId containerId, FrostFsObjectId objectId, CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public readonly struct PrmObjectDelete(
+    FrostFsContainerId containerId,
+    FrostFsObjectId objectId,
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmObjectDelete>
 {
-    public FrostFsContainerId ContainerId { get; set; } = containerId;
+    public FrostFsContainerId ContainerId { get; } = containerId;
 
-    public FrostFsObjectId ObjectId { get; set; } = objectId;
+    public FrostFsObjectId ObjectId { get; } = objectId;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmObjectDelete)
+            return false;
+
+        return Equals((PrmObjectDelete)obj);
+    }
+
+    public readonly bool Equals(PrmObjectDelete other)
+    {
+        return ContainerId == other.ContainerId
+            && ObjectId == other.ObjectId
+            && SessionToken == other.SessionToken
+            && XHeaders == other.XHeaders;
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return ContainerId.GetHashCode() ^ ObjectId.GetHashCode() ^ (SessionToken != null ? SessionToken.GetHashCode() : 1);
+    }
+
+    public static bool operator ==(PrmObjectDelete left, PrmObjectDelete right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmObjectDelete left, PrmObjectDelete right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmObjectGet.cs

@@ -1,11 +1,52 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmObjectGet(FrostFsContainerId containerId, FrostFsObjectId objectId, CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public readonly struct PrmObjectGet(
+    FrostFsContainerId containerId,
+    FrostFsObjectId objectId,
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmObjectGet>
 {
-    public FrostFsContainerId ContainerId { get; set; } = containerId;
+    public FrostFsContainerId ContainerId { get; } = containerId;
 
-    public FrostFsObjectId ObjectId { get; set; } = objectId;
+    public FrostFsObjectId ObjectId { get; } = objectId;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmObjectGet)
+            return false;
+
+        return Equals((PrmObjectGet)obj);
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return ContainerId.GetHashCode()
+            ^ ObjectId.GetHashCode()
+            ^ (SessionToken == null ? 0 : SessionToken.GetHashCode());
+    }
+
+    public readonly bool Equals(PrmObjectGet other)
+    {
+        return ContainerId == other.ContainerId
+            && ObjectId == other.ObjectId
+            && SessionToken == other.SessionToken;
+    }
+
+    public static bool operator ==(PrmObjectGet left, PrmObjectGet right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmObjectGet left, PrmObjectGet right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmObjectHeadGet.cs

@@ -1,11 +1,56 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmObjectHeadGet(FrostFsContainerId containerId, FrostFsObjectId objectId, CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public readonly struct PrmObjectHeadGet(
+    FrostFsContainerId containerId,
+    FrostFsObjectId objectId,
+    bool raw = false,
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null)
+    : ISessionToken, System.IEquatable<PrmObjectHeadGet>
 {
-    public FrostFsContainerId ContainerId { get; set; } = containerId;
+    public FrostFsContainerId ContainerId { get; } = containerId;
 
-    public FrostFsObjectId ObjectId { get; set; } = objectId;
+    public FrostFsObjectId ObjectId { get; } = objectId;
+
+    public bool Raw { get; } = raw;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmObjectHeadGet)
+            return false;
+
+        return Equals((PrmObjectHeadGet)obj);
+    }
+
+    public readonly bool Equals(PrmObjectHeadGet other)
+    {
+        return ContainerId == other.ContainerId
+          && ObjectId == other.ObjectId
+          && SessionToken == other.SessionToken;
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return ContainerId.GetHashCode()
+           ^ ObjectId.GetHashCode()
+           ^ (SessionToken == null ? 0 : SessionToken.GetHashCode());
+    }
+
+    public static bool operator ==(PrmObjectHeadGet left, PrmObjectHeadGet right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmObjectHeadGet left, PrmObjectHeadGet right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmObjectPatch.cs

@@ -2,23 +2,70 @@
 
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmObjectPatch(FrostFsAddress address, CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public readonly struct PrmObjectPatch(
+    FrostFsAddress address,
+    FrostFsRange range,
+    Stream? payload,
+    int maxChunkLength,
+    FrostFsSessionToken? sessionToken = null,
+    bool replaceAttributes = false,
+    FrostFsAttributePair[]? newAttributes = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmObjectPatch>
 {
     public FrostFsAddress Address { get; } = address;
 
-    public FrostFsRange Range { get; set; }
+    public FrostFsRange Range { get; } = range;
 
     /// <summary>
     /// A stream with source data
     /// </summary>
-    public Stream? Payload { get; set; }
+    public Stream? Payload { get; } = payload;
 
-    public FrostFsAttributePair[]? NewAttributes { get; set; }
+    public FrostFsAttributePair[]? NewAttributes { get; } = newAttributes;
 
-    public bool ReplaceAttributes { get; set; }
+    public bool ReplaceAttributes { get; } = replaceAttributes;
 
-    public int MaxPayloadPatchChunkLength { get; set; }
+    public int MaxChunkLength { get; } = maxChunkLength;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmObjectPatch)
+            return false;
+
+        return Equals((PrmObjectPatch)obj);
+    }
+
+    public readonly bool Equals(PrmObjectPatch other)
+    {
+        return GetHashCode() == other.GetHashCode();
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Address.GetHashCode()
+           ^ Range.GetHashCode()
+           ^ (Payload == null ? 0 : Payload.GetHashCode())
+           ^ (NewAttributes == null ? 0 : NewAttributes.GetHashCode())
+           ^ (SessionToken == null ? 0 : SessionToken.GetHashCode())
+           ^ (ReplaceAttributes ? 1 : 0)
+           ^ MaxChunkLength;
+    }
+
+    public static bool operator ==(PrmObjectPatch left, PrmObjectPatch right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmObjectPatch left, PrmObjectPatch right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmObjectPut.cs

@@ -2,19 +2,26 @@ using System.IO;
 
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmObjectPut(CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public readonly struct PrmObjectPut(
+    FrostFsObjectHeader? header,
+    Stream? payload,
+    bool clientCut,
+    int bufferMaxSize = 0,
+    FrostFsSessionToken? sessionToken = null,
+    byte[]? customBuffer = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmObjectPut>
 {
     /// <summary>
     /// Need to provide values like <c>ContainerId</c> and <c>ObjectType</c> to create and object.
     /// Optional parameters ike <c>Attributes</c> can be provided as well.
     /// </summary>
     /// <value>Header with required parameters to create an object</value>
-    public FrostFsObjectHeader? Header { get; set; }
+    public FrostFsObjectHeader? Header { get; } = header;
 
     /// <summary>
     /// A stream with source data
     /// </summary>
-    public Stream? Payload { get; set; }
+    public Stream? Payload { get; } = payload;
 
     /// <summary>
     /// Object size is limited. In the data exceeds the limit, the object will be splitted.
@@ -22,25 +29,60 @@ public sealed class PrmObjectPut(CallContext? ctx = null) : PrmBase(ctx), ISessi
     /// as a stream and will be cut on server side.
     /// </summary>
     /// <value>Is client cut is applied</value>
-    public bool ClientCut { get; set; }
+    public bool ClientCut { get; } = clientCut;
 
     /// <summary>
     /// Overrides default size of the buffer for stream transferring.
     /// </summary>
     /// <value>Size of the buffer</value>
-    public int BufferMaxSize { get; set; }
+    public int BufferMaxSize { get; } = bufferMaxSize;
 
     /// <summary>
     /// Allows to define a buffer for chunks to manage by the memory allocation and releasing.
     /// </summary>
-    public byte[]? CustomBuffer { get; set; }
+    public byte[]? CustomBuffer { get; } = customBuffer;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
 
-    internal int MaxObjectSizeCache { get; set; }
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
 
-    internal ulong CurrentStreamPosition { get; set; }
+    internal PutObjectContext PutObjectContext { get; } = new();
 
-    internal ulong FullLength { get; set; }
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmObjectPut)
+            return false;
+
+        return Equals((PrmObjectPut)obj);
+    }
+
+    public readonly bool Equals(PrmObjectPut other)
+    {
+        return GetHashCode() == other.GetHashCode();
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return BufferMaxSize
+            ^ (Header == null ? 0 : Header.GetHashCode())
+            ^ (Payload == null ? 0 : Payload.GetHashCode())
+            ^ (ClientCut ? 1 : 0)
+            ^ (CustomBuffer == null ? 0 : CustomBuffer.GetHashCode())
+            ^ (SessionToken == null ? 0 : SessionToken.GetHashCode())
+            ^ XHeaders.GetHashCode();
+    }
+
+    public static bool operator ==(PrmObjectPut left, PrmObjectPut right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmObjectPut left, PrmObjectPut right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmObjectSearch.cs

@@ -1,21 +1,59 @@
-using System.Collections.Generic;
+namespace FrostFS.SDK.Client;
 
-namespace FrostFS.SDK.Client;
-
-public sealed class PrmObjectSearch(FrostFsContainerId containerId, CallContext? ctx = null, params IObjectFilter[] filters) : PrmBase(ctx), ISessionToken
+public readonly struct PrmObjectSearch(
+    FrostFsContainerId containerId,
+    FrostFsSessionToken? token,
+    string[]? xheaders = null,
+    params IObjectFilter[] filters) : ISessionToken, System.IEquatable<PrmObjectSearch>
 {
     /// <summary>
     /// Defines container for the search
     /// </summary>
     /// <value></value>
-    public FrostFsContainerId ContainerId { get; set; } = containerId;
+    public FrostFsContainerId ContainerId { get; } = containerId;
 
     /// <summary>
     /// Defines the search criteria
     /// </summary>
     /// <value>Collection of filters</value>
-    public IEnumerable<IObjectFilter> Filters { get; set; } = filters;
+    public IObjectFilter[] Filters { get; } = filters;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = token;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmObjectSearch)
+            return false;
+
+        return Equals((PrmObjectSearch)obj);
+    }
+
+    public readonly bool Equals(PrmObjectSearch other)
+    {
+        return GetHashCode() == other.GetHashCode();
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return ContainerId.GetHashCode()
+            ^ Filters.GetHashCode()
+            ^ (SessionToken == null ? 0 : SessionToken.GetHashCode())
+            ^ XHeaders.GetHashCode();
+    }
+
+    public static bool operator ==(PrmObjectSearch left, PrmObjectSearch right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmObjectSearch left, PrmObjectSearch right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmRangeGet.cs

@@ -1,11 +1,12 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmRangeGet(
+public readonly struct PrmRangeGet(
     FrostFsContainerId containerId,
     FrostFsObjectId objectId,
     FrostFsRange range,
     bool raw = false,
-    CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmRangeGet>
 {
     public FrostFsContainerId ContainerId { get; } = containerId;
 
@@ -16,5 +17,41 @@ public sealed class PrmRangeGet(
     public bool Raw { get; } = raw;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmRangeGet)
+            return false;
+
+        return Equals((PrmRangeGet)obj);
+    }
+
+    public readonly bool Equals(PrmRangeGet other)
+    {
+        return GetHashCode() == other.GetHashCode();
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return ContainerId.GetHashCode()
+            ^ ObjectId.GetHashCode()
+            ^ Range.GetHashCode()
+            ^ Raw.GetHashCode();
+    }
+
+    public static bool operator ==(PrmRangeGet left, PrmRangeGet right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmRangeGet left, PrmRangeGet right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmRangeHashGet.cs

@@ -1,11 +1,12 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmRangeHashGet(
+public readonly struct PrmRangeHashGet(
     FrostFsContainerId containerId,
     FrostFsObjectId objectId,
     FrostFsRange[] ranges,
     byte[] salt,
-    CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+    FrostFsSessionToken? sessionToken = null,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmRangeHashGet>
 {
     public FrostFsContainerId ContainerId { get; } = containerId;
 
@@ -16,5 +17,42 @@ public sealed class PrmRangeHashGet(
     public byte[] Salt { get; } = salt;
 
     /// <inheritdoc />
-    public FrostFsSessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; } = sessionToken;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmRangeHashGet)
+            return false;
+
+        return Equals((PrmRangeHashGet)obj);
+    }
+
+    public readonly bool Equals(PrmRangeHashGet other)
+    {
+        return GetHashCode() == other.GetHashCode();
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return ContainerId.GetHashCode()
+            ^ ObjectId.GetHashCode()
+            ^ Ranges.GetHashCode()
+            ^ Salt.GetHashCode()
+            ^ (SessionToken == null ? 0 : SessionToken.GetHashCode());
+    }
+
+    public static bool operator ==(PrmRangeHashGet left, PrmRangeHashGet right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmRangeHashGet left, PrmRangeHashGet right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmSessionCreate.cs

@@ -1,6 +1,40 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmSessionCreate(ulong expiration, CallContext? ctx = null) : PrmBase(ctx)
+public readonly struct PrmSessionCreate(ulong expiration, string[]? xheaders = null) : System.IEquatable<PrmSessionCreate>
 {
-    public ulong Expiration { get; set; } = expiration;
+    public ulong Expiration { get; } = expiration;
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmSessionCreate)
+            return false;
+
+        return Equals((PrmSessionCreate)obj);
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return Expiration.GetHashCode() ^ XHeaders.GetHashCode();
+    }
+
+    public readonly bool Equals(PrmSessionCreate other)
+    {
+        return Expiration == other.Expiration
+            && XHeaders == other.XHeaders;
+    }
+
+    public static bool operator ==(PrmSessionCreate left, PrmSessionCreate right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmSessionCreate left, PrmSessionCreate right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmSingleObjectPut.cs

@@ -1,9 +1,46 @@
 namespace FrostFS.SDK.Client;
 
-public sealed class PrmSingleObjectPut(FrostFsObject frostFsObject, CallContext? ctx = null) : PrmBase(ctx), ISessionToken
+public struct PrmSingleObjectPut(
+    FrostFsObject frostFsObject,
+    string[]? xheaders = null) : ISessionToken, System.IEquatable<PrmSingleObjectPut>
 {
     public FrostFsObject FrostFsObject { get; set; } = frostFsObject;
 
     /// <inheritdoc />
     public FrostFsSessionToken? SessionToken { get; set; }
+
+    /// <summary>
+    /// FrostFS request X-Headers
+    /// </summary>
+    public string[] XHeaders { get; } = xheaders ?? [];
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmSingleObjectPut)
+            return false;
+
+        return Equals((PrmSingleObjectPut)obj);
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return FrostFsObject.GetHashCode()
+            ^ (SessionToken == null ? 0 : SessionToken.GetHashCode());
+    }
+
+    public readonly bool Equals(PrmSingleObjectPut other)
+    {
+        return FrostFsObject == other.FrostFsObject
+            && SessionToken == other.SessionToken;
+    }
+
+    public static bool operator ==(PrmSingleObjectPut left, PrmSingleObjectPut right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmSingleObjectPut left, PrmSingleObjectPut right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PrmWait.cs

@@ -2,7 +2,7 @@
 
 namespace FrostFS.SDK.Client;
 
-public class PrmWait(TimeSpan timeout, TimeSpan pollInterval)
+public readonly struct PrmWait(TimeSpan timeout, TimeSpan pollInterval) : IEquatable<PrmWait>
 {
     private static TimeSpan DefaultTimeout = TimeSpan.FromSeconds(120);
     private static TimeSpan DefaultPollInterval = TimeSpan.FromSeconds(5);
@@ -13,12 +13,40 @@ public class PrmWait(TimeSpan timeout, TimeSpan pollInterval)
 
     public static PrmWait DefaultParams { get; } = new PrmWait(DefaultTimeout, DefaultPollInterval);
 
-    public TimeSpan Timeout { get; set; } = timeout.Ticks == 0 ? DefaultTimeout : timeout;
+    public TimeSpan Timeout { get; } = timeout.Ticks == 0 ? DefaultTimeout : timeout;
 
-    public TimeSpan PollInterval { get; set; } = pollInterval.Ticks == 0 ? DefaultPollInterval : pollInterval;
+    public TimeSpan PollInterval { get; } = pollInterval.Ticks == 0 ? DefaultPollInterval : pollInterval;
 
-    public DateTime GetDeadline()
+    public readonly DateTime GetDeadline()
     {
         return DateTime.UtcNow.AddTicks(Timeout.Ticks);
     }
+
+    public override readonly bool Equals(object obj)
+    {
+        if (obj == null || obj is not PrmWait)
+            return false;
+
+        return Equals((PrmWait)obj);
+    }
+
+    public override readonly int GetHashCode()
+    {
+        return DefaultTimeout.GetHashCode() ^ DefaultPollInterval.GetHashCode();
+    }
+
+    public readonly bool Equals(PrmWait other)
+    {
+        return Timeout == other.Timeout && PollInterval == other.PollInterval;
+    }
+
+    public static bool operator ==(PrmWait left, PrmWait right)
+    {
+        return left.Equals(right);
+    }
+
+    public static bool operator !=(PrmWait left, PrmWait right)
+    {
+        return !(left == right);
+    }
 }

src/FrostFS.SDK.Client/Parameters/PutObjectContext.cs

@@ -0,0 +1,10 @@
+namespace FrostFS.SDK.Client;
+
+internal sealed class PutObjectContext
+{
+    internal int MaxObjectSizeCache { get; set; }
+
+    internal ulong CurrentStreamPosition { get; set; }
+
+    internal ulong FullLength { get; set; }
+}

src/FrostFS.SDK.Client/Pool/ClientWrapper.cs

@@ -83,8 +83,7 @@ public class ClientWrapper : ClientStatusMonitor
 
         try
         {
-            var prmNodeInfo = new PrmNodeInfo(ctx);
-            var response = await Client!.GetNodeInfoAsync(prmNodeInfo).ConfigureAwait(false);
+            var response = await Client!.GetNodeInfoAsync(ctx).ConfigureAwait(false);
             return false;
         }
         catch (RpcException)
@@ -105,11 +104,7 @@ public class ClientWrapper : ClientStatusMonitor
         {
             client = new(WrapperPrm, sessionCache);
 
-            var dialCtx = new CallContext
-            {
-                Timeout = TimeSpan.FromTicks((long)WrapperPrm.DialTimeout),
-                CancellationToken = ctx.CancellationToken
-            };
+            var dialCtx = new CallContext(TimeSpan.FromTicks((long)WrapperPrm.DialTimeout), ctx.CancellationToken);
 
             var error = await client.Dial(ctx).ConfigureAwait(false);
             if (!string.IsNullOrEmpty(error))
@@ -132,8 +127,7 @@ public class ClientWrapper : ClientStatusMonitor
 
         try
         {
-            var prmNodeInfo = new PrmNodeInfo(ctx);
-            var res = await Client.GetNodeInfoAsync(prmNodeInfo).ConfigureAwait(false);
+            var res = await Client.GetNodeInfoAsync(ctx).ConfigureAwait(false);
         }
         catch (FrostFsException)
         {

src/FrostFS.SDK.Client/Pool/Pool.cs

@@ -185,7 +185,7 @@ public partial class Pool : IFrostFSClient
 
         InnerPools = inner;
 
-        var res = await GetNetworkSettingsAsync(new PrmNetworkSettings(ctx)).ConfigureAwait(false);
+        var res = await GetNetworkSettingsAsync(default).ConfigureAwait(false);
 
         MaxObjectSize = res.MaxObjectSize;
 
@@ -312,7 +312,7 @@ public partial class Pool : IFrostFSClient
     private static async Task<FrostFsSessionToken> InitSessionForDuration(CallContext ctx, ClientWrapper cw, ulong duration, ECDsa key, bool clientCut)
     {
         var client = cw.Client;
-        var networkInfo = await client!.GetNetworkSettingsAsync(new PrmNetworkSettings(ctx)).ConfigureAwait(false);
+        var networkInfo = await client!.GetNetworkSettingsAsync(ctx).ConfigureAwait(false);
 
         var epoch = networkInfo.Epoch;
 
@@ -320,9 +320,9 @@ public partial class Pool : IFrostFSClient
             ? ulong.MaxValue
             : epoch + duration;
 
-        var prmSessionCreate = new PrmSessionCreate(exp, ctx);
+        var prmSessionCreate = new PrmSessionCreate(exp);
 
-        return await client.CreateSessionAsync(prmSessionCreate).ConfigureAwait(false);
+        return await client.CreateSessionAsync(prmSessionCreate, ctx).ConfigureAwait(false);
     }
 
     internal static string FormCacheKey(string address, string key)
@@ -507,139 +507,137 @@ public partial class Pool : IFrostFSClient
         return statistics;
     }
 
-    public async Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(PrmNetmapSnapshot? args = null)
+    public async Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(CallContext ctx)
     {
         var client = Connection();
 
-        args ??= new();
-
-        return await client.Client!.GetNetmapSnapshotAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetNetmapSnapshotAsync(ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsNodeInfo> GetNodeInfoAsync(PrmNodeInfo? args = null)
+    public async Task<FrostFsNodeInfo> GetNodeInfoAsync(CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetNodeInfoAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetNodeInfoAsync(ctx).ConfigureAwait(false);
     }
 
-    public async Task<NetworkSettings> GetNetworkSettingsAsync(PrmNetworkSettings? args = null)
+    public async Task<NetworkSettings> GetNetworkSettingsAsync(CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetNetworkSettingsAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetNetworkSettingsAsync(ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args)
+    public async Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.CreateSessionAsync(args).ConfigureAwait(false);
+        return await client.Client!.CreateSessionAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args)
+    public async Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.AddChainAsync(args).ConfigureAwait(false);
+        return await client.Client!.AddChainAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task RemoveChainAsync(PrmApeChainRemove args)
+    public async Task RemoveChainAsync(PrmApeChainRemove args, CallContext ctx)
     {
         var client = Connection();
-        await client.Client!.RemoveChainAsync(args).ConfigureAwait(false);
+        await client.Client!.RemoveChainAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<Chain[]> ListChainAsync(PrmApeChainList args)
+    public async Task<Chain[]> ListChainAsync(PrmApeChainList args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.ListChainAsync(args).ConfigureAwait(false);
+        return await client.Client!.ListChainAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args)
+    public async Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetContainerAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetContainerAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll? args = null)
+    public IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll args, CallContext ctx)
     {
         var client = Connection();
-        return client.Client!.ListContainersAsync(args);
+        return client.Client!.ListContainersAsync(args, ctx);
     }
 
-    public async Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args)
+    public async Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.CreateContainerAsync(args).ConfigureAwait(false);
+        return await client.Client!.CreateContainerAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task DeleteContainerAsync(PrmContainerDelete args)
+    public async Task DeleteContainerAsync(PrmContainerDelete args, CallContext ctx)
     {
         var client = Connection();
-        await client.Client!.DeleteContainerAsync(args).ConfigureAwait(false);
+        await client.Client!.DeleteContainerAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsObjectHeader> GetObjectHeadAsync(PrmObjectHeadGet args)
+    public async Task<FrostFsHeaderResult> GetObjectHeadAsync(PrmObjectHeadGet args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetObjectHeadAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetObjectHeadAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsObject> GetObjectAsync(PrmObjectGet args)
+    public async Task<FrostFsObject> GetObjectAsync(PrmObjectGet args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetObjectAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetObjectAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args)
+    public async Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.PutObjectAsync(args).ConfigureAwait(false);
+        return await client.Client!.PutObjectAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args)
+    public async Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.PutSingleObjectAsync(args).ConfigureAwait(false);
+        return await client.Client!.PutSingleObjectAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args)
+    public async Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.PatchObjectAsync(args).ConfigureAwait(false);
+        return await client.Client!.PatchObjectAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<RangeReader> GetRangeAsync(PrmRangeGet args)
+    public async Task<RangeReader> GetRangeAsync(PrmRangeGet args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetRangeAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetRangeAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args)
+    public async Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetRangeHashAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetRangeHashAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task<FrostFsObjectId> PatchAsync(PrmObjectPatch args)
+    public async Task<FrostFsObjectId> PatchAsync(PrmObjectPatch args, CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.PatchObjectAsync(args).ConfigureAwait(false);
+        return await client.Client!.PatchObjectAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public async Task DeleteObjectAsync(PrmObjectDelete args)
+    public async Task DeleteObjectAsync(PrmObjectDelete args, CallContext ctx)
     {
         var client = Connection();
-        await client.Client!.DeleteObjectAsync(args).ConfigureAwait(false);
+        await client.Client!.DeleteObjectAsync(args, ctx).ConfigureAwait(false);
     }
 
-    public IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args)
+    public IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args, CallContext ctx)
     {
         var client = Connection();
-        return client.Client!.SearchObjectsAsync(args);
+        return client.Client!.SearchObjectsAsync(args, ctx);
     }
 
-    public async Task<Accounting.Decimal> GetBalanceAsync(PrmBalance? args)
+    public async Task<Accounting.Decimal> GetBalanceAsync(CallContext ctx)
     {
         var client = Connection();
-        return await client.Client!.GetBalanceAsync(args).ConfigureAwait(false);
+        return await client.Client!.GetBalanceAsync(ctx).ConfigureAwait(false);
     }
 
     protected virtual void Dispose(bool disposing)
@@ -661,9 +659,4 @@ public partial class Pool : IFrostFSClient
         Dispose(disposing: true);
         GC.SuppressFinalize(this);
     }
-
-    public FrostFsObjectId CalculateObjectId(FrostFsObjectHeader header)
-    {
-        throw new NotImplementedException();
-    }
 }

src/FrostFS.SDK.Client/Services/AccountingServiceProvider.cs

@@ -16,10 +16,8 @@ internal sealed class AccountingServiceProvider : ContextAccessor
         _accountingServiceClient = accountingServiceClient;
     }
 
-    internal async Task<Decimal> GetBallance(PrmBalance args)
+    internal async Task<Decimal> GetBallance(CallContext ctx)
     {
-        var ctx = args.Context!;
-
         BalanceRequest request = new()
         {
             Body = new()
@@ -28,10 +26,10 @@ internal sealed class AccountingServiceProvider : ContextAccessor
             }
         };
 
-        request.AddMetaHeader(args.XHeaders);
+        request.AddMetaHeader([]);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await _accountingServiceClient!.BalanceAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await _accountingServiceClient!.BalanceAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 

src/FrostFS.SDK.Client/Services/ApeManagerServiceProvider.cs

@@ -16,10 +16,8 @@ internal sealed class ApeManagerServiceProvider : ContextAccessor
         _apeManagerServiceClient = apeManagerServiceClient;
     }
 
-    internal async Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args)
+    internal async Task<ReadOnlyMemory<byte>> AddChainAsync(PrmApeChainAdd args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         AddChainRequest request = new()
         {
             Body = new()
@@ -32,17 +30,15 @@ internal sealed class ApeManagerServiceProvider : ContextAccessor
         request.AddMetaHeader(args.XHeaders);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await _apeManagerServiceClient!.AddChainAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await _apeManagerServiceClient!.AddChainAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 
         return response.Body.ChainId.Memory;
     }
 
-    internal async Task RemoveChainAsync(PrmApeChainRemove args)
+    internal async Task RemoveChainAsync(PrmApeChainRemove args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         RemoveChainRequest request = new()
         {
             Body = new()
@@ -55,15 +51,13 @@ internal sealed class ApeManagerServiceProvider : ContextAccessor
         request.AddMetaHeader(args.XHeaders);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await _apeManagerServiceClient!.RemoveChainAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await _apeManagerServiceClient!.RemoveChainAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
     }
 
-    internal async Task<Chain[]> ListChainAsync(PrmApeChainList args)
+    internal async Task<Chain[]> ListChainAsync(PrmApeChainList args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         ListChainsRequest request = new()
         {
             Body = new()
@@ -75,7 +69,7 @@ internal sealed class ApeManagerServiceProvider : ContextAccessor
         request.AddMetaHeader(args.XHeaders);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await _apeManagerServiceClient!.ListChainsAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await _apeManagerServiceClient!.ListChainsAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 

src/FrostFS.SDK.Client/Services/ContainerServiceProvider.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Collections.Specialized;
 using System.Security.Cryptography;
 using System.Threading.Tasks;
 
@@ -38,21 +37,19 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
         return token;
     }
 
-    internal async Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args)
+    internal async Task<FrostFsContainerInfo> GetContainerAsync(PrmContainerGet args, CallContext ctx)
     {
         GetRequest request = GetContainerRequest(args.Container.ContainerID, args.XHeaders, ClientContext.Key.ECDsaKey);
 
-        var response = await service.GetAsync(request, null, args.Context.Deadline, args.Context.CancellationToken);
+        var response = await service.GetAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 
         return response.Body.Container.ToModel();
     }
 
-    internal async IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll args)
+    internal async IAsyncEnumerable<FrostFsContainerId> ListContainersAsync(PrmContainerGetAll args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new ListRequest
         {
             Body = new()
@@ -64,7 +61,7 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
         request.AddMetaHeader(args.XHeaders);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await service.ListAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await service.ListAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 
@@ -74,10 +71,8 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
         }
     }
 
-    internal async Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args)
+    internal async Task<FrostFsContainerId> CreateContainerAsync(PrmContainerCreate args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var grpcContainer = args.Container.GetContainer();
 
         grpcContainer.OwnerId ??= ClientContext.Owner.OwnerID;
@@ -103,7 +98,7 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
 
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await service.PutAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await service.PutAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 
@@ -112,10 +107,8 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
         return new FrostFsContainerId(response.Body.ContainerId);
     }
 
-    internal async Task DeleteContainerAsync(PrmContainerDelete args)
+    internal async Task DeleteContainerAsync(PrmContainerDelete args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new DeleteRequest
         {
             Body = new DeleteRequest.Types.Body
@@ -136,7 +129,7 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
 
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await service.DeleteAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await service.DeleteAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 
@@ -146,7 +139,7 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
         Verifier.CheckResponse(response);
     }
 
-    private static GetRequest GetContainerRequest(ContainerID id, NameValueCollection? xHeaders, ECDsa key)
+    private static GetRequest GetContainerRequest(ContainerID id, string[] xHeaders, ECDsa key)
     {
         var request = new GetRequest
         {
@@ -168,13 +161,13 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
         Removed
     }
 
-    private async Task WaitForContainer(WaitExpects expect, ContainerID id, PrmWait? waitParams, CallContext ctx)
+    private async Task WaitForContainer(WaitExpects expect, ContainerID id, PrmWait waitParams, CallContext ctx)
     {
-        var request = GetContainerRequest(id, null, ClientContext.Key.ECDsaKey);
+        var request = GetContainerRequest(id, [], ClientContext.Key.ECDsaKey);
 
         async Task action()
         {
-            var response = await service.GetAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+            var response = await service.GetAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
             Verifier.CheckResponse(response);
         }
 
@@ -184,9 +177,8 @@ internal sealed class ContainerServiceProvider(ContainerService.ContainerService
     private static async Task WaitFor(
         Func<Task> action,
         WaitExpects expect,
-        PrmWait? waitParams)
+        PrmWait waitParams)
     {
-        waitParams ??= PrmWait.DefaultParams;
         var deadLine = waitParams.GetDeadline();
 
         while (true)

src/FrostFS.SDK.Client/Services/NetmapServiceProvider.cs

@@ -42,19 +42,17 @@ internal sealed class NetmapServiceProvider : ContextAccessor
         return settings;
     }
 
-    internal async Task<FrostFsNodeInfo> GetLocalNodeInfoAsync(PrmNodeInfo args)
+    internal async Task<FrostFsNodeInfo> GetLocalNodeInfoAsync(CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new LocalNodeInfoRequest
         {
             Body = new LocalNodeInfoRequest.Types.Body { }
         };
 
-        request.AddMetaHeader(args.XHeaders);
+        request.AddMetaHeader([]);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await netmapServiceClient.LocalNodeInfoAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await netmapServiceClient.LocalNodeInfoAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 
@@ -65,10 +63,10 @@ internal sealed class NetmapServiceProvider : ContextAccessor
     {
         var request = new NetworkInfoRequest();
 
-        request.AddMetaHeader(null);
+        request.AddMetaHeader([]);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await netmapServiceClient.NetworkInfoAsync(request, null, ctx.Deadline, ctx.CancellationToken)
+        var response = await netmapServiceClient.NetworkInfoAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken)
             .ConfigureAwait(false);
 
         Verifier.CheckResponse(response);
@@ -76,16 +74,14 @@ internal sealed class NetmapServiceProvider : ContextAccessor
         return response;
     }
 
-    internal async Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(PrmNetmapSnapshot args)
+    internal async Task<FrostFsNetmapSnapshot> GetNetmapSnapshotAsync(CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new NetmapSnapshotRequest();
 
-        request.AddMetaHeader(args.XHeaders);
+        request.AddMetaHeader([]);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await netmapServiceClient.NetmapSnapshotAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await netmapServiceClient.NetmapSnapshotAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 

src/FrostFS.SDK.Client/Services/ObjectServiceProvider.cs

@@ -43,10 +43,8 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         return token;
     }
 
-    internal async Task<FrostFsObjectHeader> GetObjectHeadAsync(PrmObjectHeadGet args)
+    internal async Task<FrostFsHeaderResult> GetObjectHeadAsync(PrmObjectHeadGet args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new HeadRequest
         {
             Body = new HeadRequest.Types.Body
@@ -55,7 +53,8 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
                 {
                     ContainerId = args.ContainerId.ContainerID,
                     ObjectId = args.ObjectId.ToMessage()
-                }
+                },
+                Raw = args.Raw
             }
         };
 
@@ -70,17 +69,27 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
 
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await client!.HeadAsync(request, null, ctx.Deadline, ctx.CancellationToken).ConfigureAwait(false);
+        var response = await client!.HeadAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken).ConfigureAwait(false);
 
         Verifier.CheckResponse(response);
 
-        return response.Body.Header.Header.ToModel();
+        var result = new FrostFsHeaderResult();
+
+        if (response.Body.Header != null)
+        {
+            result.HeaderInfo = response.Body.Header?.Header.ToModel();
+        }
+
+        if (response.Body.SplitInfo != null)
+        {
+            result.SplitInfo = new FrostFsSplitInfo(response.Body.SplitInfo);
+        }
+
+        return result;
     }
 
-    internal async Task<FrostFsObject> GetObjectAsync(PrmObjectGet args)
+    internal async Task<FrostFsObject> GetObjectAsync(PrmObjectGet args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new GetRequest
         {
             Body = new GetRequest.Types.Body
@@ -107,10 +116,8 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         return await GetObject(request, ctx).ConfigureAwait(false);
     }
 
-    internal async Task<RangeReader> GetRangeAsync(PrmRangeGet args)
+    internal async Task<RangeReader> GetRangeAsync(PrmRangeGet args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new GetRangeRequest
         {
             Body = new GetRangeRequest.Types.Body
@@ -140,14 +147,12 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
 
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var call = client.GetRange(request, null, ctx.Deadline, ctx.CancellationToken);
+        var call = client.GetRange(request, null, ctx.GetDeadline(), ctx.CancellationToken);
         return new RangeReader(call);
     }
 
-    internal async Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args)
+    internal async Task<ReadOnlyMemory<byte>[]> GetRangeHashAsync(PrmRangeHashGet args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new GetRangeHashRequest
         {
             Body = new GetRangeHashRequest.Types.Body
@@ -182,7 +187,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
 
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await client.GetRangeHashAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await client.GetRangeHashAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 
@@ -191,11 +196,8 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         return hashCollection;
     }
 
-
-    internal async Task DeleteObjectAsync(PrmObjectDelete args)
+    internal async Task DeleteObjectAsync(PrmObjectDelete args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new DeleteRequest
         {
             Body = new DeleteRequest.Types.Body
@@ -218,15 +220,13 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         request.AddMetaHeader(args.XHeaders, protoToken);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await client.DeleteAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await client.DeleteAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
     }
 
-    internal async IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args)
+    internal async IAsyncEnumerable<FrostFsObjectId> SearchObjectsAsync(PrmObjectSearch args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new SearchRequest
         {
             Body = new SearchRequest.Types.Body
@@ -265,11 +265,8 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         }
     }
 
-    internal async Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args)
+    internal async Task<FrostFsObjectId> PutObjectAsync(PrmObjectPut args, CallContext ctx)
     {
-        if (args is null)
-            throw new ArgumentNullException(nameof(args));
-
         if (args.Header == null)
             throw new ArgumentNullException(nameof(args), "Header is null");
 
@@ -278,27 +275,25 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
 
         if (args.ClientCut)
         {
-            return await PutClientCutObject(args).ConfigureAwait(false);
+            return await PutClientCutObject(args, ctx).ConfigureAwait(false);
         }
         else
         {
             if (args.Header.PayloadLength > 0)
-                args.FullLength = args.Header.PayloadLength;
+                args.PutObjectContext.FullLength = args.Header.PayloadLength;
             else if (args.Payload.CanSeek)
-                args.FullLength = (ulong)args.Payload.Length;
+                args.PutObjectContext.FullLength = (ulong)args.Payload.Length;
             else
                 throw new ArgumentException("The stream does not have a length and payload length is not defined");
 
-            var response = await PutStreamObject(args).ConfigureAwait(false);
+            var response = await PutStreamObject(args, ctx).ConfigureAwait(false);
 
             return response.ObjectId;
         }
     }
 
-    internal async Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args)
+    internal async Task<FrostFsObjectId> PutSingleObjectAsync(PrmSingleObjectPut args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var grpcObject = ObjectTools.CreateObject(args.FrostFsObject, ClientContext);
 
         var request = new PutSingleRequest
@@ -317,21 +312,19 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
 
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        var response = await client.PutSingleAsync(request, null, ctx.Deadline, ctx.CancellationToken).ConfigureAwait(false);
+        var response = await client.PutSingleAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken).ConfigureAwait(false);
 
         Verifier.CheckResponse(response);
 
         return FrostFsObjectId.FromHash(grpcObject.ObjectId.Value.Span);
     }
 
-    internal async Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args)
+    internal async Task<FrostFsObjectId> PatchObjectAsync(PrmObjectPatch args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
-        var chunkSize = args.MaxPayloadPatchChunkLength;
+        var chunkSize = args.MaxChunkLength;
         Stream payload = args.Payload ?? throw new ArgumentNullException(nameof(args), "Stream parameter is null");
 
-        var call = client.Patch(null, ctx.Deadline, ctx.CancellationToken);
+        var call = client.Patch(null, ctx.GetDeadline(), ctx.CancellationToken);
 
         byte[]? chunkBuffer = null;
         try
@@ -415,36 +408,32 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         return response.Body.ObjectId.ToModel();
     }
 
-    private async Task<FrostFsObjectId> PutClientCutObject(PrmObjectPut args)
+    private async Task<FrostFsObjectId> PutClientCutObject(PrmObjectPut args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
-        args.SessionToken ??= await GetDefaultSession(args, ctx).ConfigureAwait(false);
-
         var payloadStream = args.Payload!;
         var header = args.Header!;
 
         if (header.PayloadLength > 0)
-            args.FullLength = header.PayloadLength;
+            args.PutObjectContext.FullLength = header.PayloadLength;
         else if (payloadStream.CanSeek)
-            args.FullLength = (ulong)payloadStream.Length;
+            args.PutObjectContext.FullLength = (ulong)payloadStream.Length;
         else
             throw new ArgumentException("The stream does not have a length and payload length is not defined");
 
-        if (args.MaxObjectSizeCache == 0)
+        if (args.PutObjectContext.MaxObjectSizeCache == 0)
         {
-            var networkSettings = await ClientContext.Client.GetNetworkSettingsAsync(new PrmNetworkSettings(ctx))
+            var networkSettings = await ClientContext.Client.GetNetworkSettingsAsync(ctx)
                 .ConfigureAwait(false);
 
-            args.MaxObjectSizeCache = (int)networkSettings.MaxObjectSize;
+            args.PutObjectContext.MaxObjectSizeCache = (int)networkSettings.MaxObjectSize;
         }
 
-        var restBytes = args.FullLength - args.CurrentStreamPosition;
-        var objectSize = restBytes > 0 ? (int)Math.Min((ulong)args.MaxObjectSizeCache, restBytes) : args.MaxObjectSizeCache;
+        var restBytes = args.PutObjectContext.FullLength - args.PutObjectContext.CurrentStreamPosition;
+        var objectSize = restBytes > 0 ? (int)Math.Min((ulong)args.PutObjectContext.MaxObjectSizeCache, restBytes) : args.PutObjectContext.MaxObjectSizeCache;
 
         //define collection capacity
         var restPart = (restBytes % (ulong)objectSize) > 0 ? 1 : 0;
-        var objectsCount = args.FullLength > 0 ? (int)(restBytes / (ulong)objectSize) + restPart : 0;
+        var objectsCount = args.PutObjectContext.FullLength > 0 ? (int)(restBytes / (ulong)objectSize) + restPart : 0;
 
         List<FrostFsObjectId> sentObjectIds = new(objectsCount);
 
@@ -456,13 +445,13 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         args.Header!.Attributes = null;
 
         // send all parts except the last one as separate Objects
-        while (restBytes > (ulong)args.MaxObjectSizeCache)
+        while (restBytes > (ulong)args.PutObjectContext.MaxObjectSizeCache)
         {
             split = new FrostFsSplit(splitId, sentObjectIds.LastOrDefault());
 
             args.Header!.Split = split;
 
-            var result = await PutStreamObject(args).ConfigureAwait(false);
+            var result = await PutStreamObject(args, default).ConfigureAwait(false);
 
             sentObjectIds.Add(result.ObjectId);
 
@@ -474,18 +463,18 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         {
             var largeObjectHeader = new FrostFsObjectHeader(header.ContainerId, FrostFsObjectType.Regular, [.. attributes])
             {
-                PayloadLength = args.FullLength,
+                PayloadLength = args.PutObjectContext.FullLength,
             };
 
             args.Header.Split!.ParentHeader = largeObjectHeader;
 
-            var result = await PutStreamObject(args).ConfigureAwait(false);
+            var result = await PutStreamObject(args, default).ConfigureAwait(false);
 
             sentObjectIds.Add(result.ObjectId);
 
             var linkObject = new FrostFsLinkObject(header.ContainerId, split!.SplitId, largeObjectHeader, sentObjectIds);
 
-            _ = await PutSingleObjectAsync(new PrmSingleObjectPut(linkObject, args.Context)).ConfigureAwait(false);
+            _ = await PutSingleObjectAsync(new PrmSingleObjectPut(linkObject), ctx).ConfigureAwait(false);
 
             var parentHeader = args.Header.GetHeader();
 
@@ -495,7 +484,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         // We are here if the payload is placed to one Object. It means no cut action, just simple PUT.
         args.Header!.Attributes = attributes;
 
-        var singlePartResult = await PutStreamObject(args).ConfigureAwait(false);
+        var singlePartResult = await PutStreamObject(args, default).ConfigureAwait(false);
 
         return singlePartResult.ObjectId;
     }
@@ -506,15 +495,13 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         public int ObjectSize = objectSize;
     }
 
-    private async Task<PutObjectResult> PutStreamObject(PrmObjectPut args)
+    private async Task<PutObjectResult> PutStreamObject(PrmObjectPut args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var payload = args.Payload!;
 
         var chunkSize = args.BufferMaxSize > 0 ? args.BufferMaxSize : Constants.ObjectChunkSize;
 
-        var restBytes = args.FullLength - args.CurrentStreamPosition;
+        var restBytes = args.PutObjectContext.FullLength - args.PutObjectContext.CurrentStreamPosition;
 
         chunkSize = (int)Math.Min(restBytes, (ulong)chunkSize);
 
@@ -524,7 +511,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         try
         {
             // 0 means no limit from client, so server side cut is performed
-            var objectLimitSize = args.ClientCut ? args.MaxObjectSizeCache : 0;
+            var objectLimitSize = args.ClientCut ? args.PutObjectContext.MaxObjectSizeCache : 0;
 
             if (args.CustomBuffer != null)
             {
@@ -634,7 +621,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
             throw new ArgumentNullException(nameof(initRequest));
         }
 
-        var call = client.Put(null, ctx.Deadline, ctx.CancellationToken);
+        var call = client.Put(null, ctx.GetDeadline(), ctx.CancellationToken);
 
         await call.RequestStream.WriteAsync(initRequest).ConfigureAwait(false);
 
@@ -658,7 +645,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
         if (initRequest is null)
             throw new ArgumentNullException(nameof(initRequest));
 
-        var call = client.Get(initRequest, null, ctx.Deadline, ctx.CancellationToken);
+        var call = client.Get(initRequest, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         return new ObjectReader(call);
     }
@@ -670,7 +657,7 @@ internal sealed class ObjectServiceProvider(ObjectService.ObjectServiceClient cl
             throw new ArgumentNullException(nameof(initRequest));
         }
 
-        var call = client.Search(initRequest, null, ctx.Deadline, ctx.CancellationToken);
+        var call = client.Search(initRequest, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         return new SearchReader(call);
     }

src/FrostFS.SDK.Client/Services/SessionServiceProvider.cs

@@ -14,10 +14,8 @@ internal sealed class SessionServiceProvider : ContextAccessor
         _sessionServiceClient = sessionServiceClient;
     }
 
-    internal async Task<SessionToken> CreateSessionAsync(PrmSessionCreate args)
+    internal async Task<SessionToken> CreateSessionAsync(PrmSessionCreate args, CallContext ctx)
     {
-        var ctx = args.Context!;
-
         var request = new CreateRequest
         {
             Body = new CreateRequest.Types.Body
@@ -30,12 +28,12 @@ internal sealed class SessionServiceProvider : ContextAccessor
         request.AddMetaHeader(args.XHeaders);
         request.Sign(ClientContext.Key.ECDsaKey);
 
-        return await CreateSession(request, args.Context!).ConfigureAwait(false);
+        return await CreateSession(request, ctx).ConfigureAwait(false);
     }
 
     internal async Task<SessionToken> CreateSession(CreateRequest request, CallContext ctx)
     {
-        var response = await _sessionServiceClient!.CreateAsync(request, null, ctx.Deadline, ctx.CancellationToken);
+        var response = await _sessionServiceClient!.CreateAsync(request, null, ctx.GetDeadline(), ctx.CancellationToken);
 
         Verifier.CheckResponse(response);
 

src/FrostFS.SDK.Client/Services/Shared/SessionProvider.cs

@@ -18,6 +18,6 @@ internal sealed class SessionProvider(ClientContext envCtx)
 
     internal async Task<Session.SessionToken> GetDefaultSession(ISessionToken args, CallContext ctx)
     {
-        return await envCtx.Client.CreateSessionInternalAsync(new PrmSessionCreate(uint.MaxValue, ctx)).ConfigureAwait(false);
+        return await envCtx.Client.CreateSessionInternalAsync(new PrmSessionCreate(uint.MaxValue), ctx).ConfigureAwait(false);
     }
 }

src/FrostFS.SDK.Client/Tools/ObjectTools.cs

@@ -11,16 +11,6 @@ namespace FrostFS.SDK.Client;
 
 internal static class ObjectTools
 {
-    internal static FrostFsObjectId CalculateObjectId(FrostFsObjectHeader header, ClientContext ctx)
-    {
-        var grpcHeader = CreateHeader(header, [], ctx);
-
-        if (header.Split != null)
-            SetSplitValues(grpcHeader, header.Split, ctx);
-
-        return new ObjectID { Value = grpcHeader.Sha256() }.ToModel();
-    }
-
     internal static Object.Object CreateObject(FrostFsObject @object, ClientContext ctx)
     {
         @object.Header.OwnerId ??= ctx.Owner;

src/FrostFS.SDK.Client/Tools/RequestConstructor.cs

@@ -1,6 +1,4 @@
 using System;
-using System.Collections.Specialized;
-using System.Linq;
 
 using FrostFS.SDK.Client.Mappers.GRPC;
 using FrostFS.SDK.Proto.Interfaces;
@@ -11,7 +9,7 @@ namespace FrostFS.SDK.Client;
 public static class RequestConstructor
 {
     public static void AddMetaHeader(this IRequest request,
-        NameValueCollection? xHeaders,
+        string[] xHeaders,
         SessionToken? sessionToken = null)
     {
         if (request is null)
@@ -25,9 +23,15 @@ public static class RequestConstructor
         if (sessionToken != null)
             request.MetaHeader.SessionToken = sessionToken;
 
-        if (xHeaders != null && xHeaders.Count > 0)
-            request.MetaHeader.XHeaders.AddRange(
-                xHeaders.Cast<string>().SelectMany(key => xHeaders.GetValues(key),
-                     (k, v) => new XHeader { Key = k, Value = v }));
+        if (xHeaders != null && xHeaders.Length > 0)
+        {
+            if (xHeaders.Length % 2 != 0)
+                throw new ArgumentException("xHeaders with odd length");
+
+            for (var i = 0; i < xHeaders.Length; i += 2)
+            {
+                request.MetaHeader.XHeaders.Add(new XHeader { Key = xHeaders[i], Value = xHeaders[i + 1] });
+            }
+        }
     }
 }

src/FrostFS.SDK.Cryptography/FrostFS.SDK.Cryptography.csproj

@@ -16,7 +16,7 @@
 
   <ItemGroup>
     <PackageReference Include="BouncyCastle.Cryptography" Version="2.4.0" />
-    <PackageReference Include="Google.Protobuf" Version="3.27.0" />
+    <PackageReference Include="Google.Protobuf" Version="3.21.12" />
     <PackageReference Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="8.0.0">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>

src/FrostFS.SDK.Tests/GlobalSuppressions.cs

@@ -1,6 +0,0 @@
-// This file is used by Code Analysis to maintain SuppressMessage
-// attributes that are applied to this project.
-// Project-level suppressions either have no target or are given
-// a specific target and scoped to a namespace, type, member, etc.
-
-

src/FrostFS.SDK.Tests/Multithread/MultiThreadTestsBase.cs

@@ -0,0 +1,42 @@
+using System.Security.Cryptography;
+
+using FrostFS.SDK.Client;
+using FrostFS.SDK.Cryptography;
+
+namespace FrostFS.SDK.Tests.Smoke;
+
+public abstract class MultiThreadTestsBase
+{
+    private TestNodeInfo[] nodes;
+
+    protected CallContext? Ctx { get; }
+
+    protected MultiThreadTestsBase()
+    {
+        nodes = new TestNodeInfo[4];
+
+        nodes[0] = new(new Uri(""), "");
+        nodes[1] = new(new Uri(""), "");
+        nodes[2] = new(new Uri(""), "");
+        nodes[3] = new(new Uri(""), "");
+    }
+}
+
+public class TestNodeInfo
+{
+    internal Uri Uri;
+
+    protected ECDsa? Key { get; }
+
+    protected FrostFsOwner? OwnerId { get; }
+
+    protected FrostFsVersion? Version { get; }
+
+    public TestNodeInfo(Uri uri, string keyString)
+    {
+        Uri = uri;
+        Key = keyString.LoadWif();
+        OwnerId = FrostFsOwner.FromKey(Key);
+        Version = new FrostFsVersion(2, 13);
+    }
+}

src/FrostFS.SDK.Tests/Multithread/MultithreadPoolSmokeTests.cs

@@ -6,11 +6,11 @@ using FrostFS.SDK.Cryptography;
 
 using Microsoft.Extensions.Options;
 
-namespace FrostFS.SDK.SmokeTests;
+namespace FrostFS.SDK.Tests.Smoke;
 
 [SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 [SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
-public class PoolSmokeTests : SmokeTestsBase
+public class MultithreadPoolSmokeTests : SmokeTestsBase
 {
     private static readonly PrmWait lightWait = new(100, 1);
 
@@ -20,7 +20,7 @@ public class PoolSmokeTests : SmokeTestsBase
         {
             Key = keyString.LoadWif(),
 
-            NodeParams = [new(1, this.url, 100.0f)],
+            NodeParams = [new(1, url, 100.0f)],
             ClientBuilder = null,
             GracefulCloseOnSwitchTimeout = 30_000_000,
             Logger = null
@@ -34,7 +34,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var error = await pool.Dial(new CallContext());
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero));
 
         Assert.Null(error);
 
@@ -59,11 +59,11 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var error = await pool.Dial(new CallContext());
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero));
 
         Assert.Null(error);
 
-        var result = await pool.GetNodeInfoAsync();
+        var result = await pool.GetNodeInfoAsync(default);
 
         Assert.Equal(2, result.Version.Major);
         Assert.Equal(13, result.Version.Minor);
@@ -82,8 +82,8 @@ public class PoolSmokeTests : SmokeTestsBase
         {
             Key = keyString.LoadWif(),
             NodeParams = [
-                new(1, this.url, 100.0f),
-                new(2, this.url.Replace('0', '1'), 100.0f)
+                new(1, url, 100.0f),
+                new(2, url.Replace('0', '1'), 100.0f)
                 ],
             ClientBuilder = null,
             GracefulCloseOnSwitchTimeout = 30_000_000,
@@ -93,17 +93,15 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var ctx = new CallContext
-        {
-        };
+        var ctx = new CallContext(TimeSpan.Zero);
 
         var error = await pool.Dial(ctx).ConfigureAwait(true);
 
         Assert.Null(error);
 
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetSingleOwnerOptions(keyString, url));
 
-        var result = await client.GetNodeInfoAsync();
+        var result = await client.GetNodeInfoAsync(default);
 
         var statistics = pool.Statistic();
 
@@ -121,15 +119,15 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var ctx = new CallContext();
+        var ctx = new CallContext(TimeSpan.Zero);
 
         var error = await pool.Dial(ctx).ConfigureAwait(true);
 
         Assert.Null(error);
 
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetSingleOwnerOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetSingleOwnerOptions(keyString, url));
 
-        var result = await client.GetNodeInfoAsync();
+        var result = await client.GetNodeInfoAsync(default);
 
         Assert.False(string.IsNullOrEmpty(callbackText));
         Assert.Contains(" took ", callbackText, StringComparison.Ordinal);
@@ -142,13 +140,13 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
 
         Assert.Null(error);
 
         var prm = new PrmSessionCreate(100);
 
-        var token = await pool.CreateSessionAsync(prm).ConfigureAwait(true);
+        var token = await pool.CreateSessionAsync(prm, default).ConfigureAwait(true);
 
         var ownerHash = Base58.Decode(OwnerId!.Value);
 
@@ -164,37 +162,36 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
 
         Assert.Null(error);
 
         await Cleanup(pool);
 
-        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
+        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))));
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["key1", "value1"]);
 
-        createContainerParam.XHeaders.Add("key1", "value1");
-
-        var containerId = await pool.CreateContainerAsync(createContainerParam);
+        var containerId = await pool.CreateContainerAsync(createContainerParam, default);
 
         var bytes = GetRandomBytes(1024);
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: containerId,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false,
-            SessionToken = token
-        };
+            bufferMaxSize: 1024,
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
 
-        var objectId = await pool.PutObjectAsync(param).ConfigureAwait(true);
+        var objectId = await pool.PutObjectAsync(param, default).ConfigureAwait(true);
 
-        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId));
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -217,19 +214,17 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
 
         Assert.Null(error);
 
         await Cleanup(pool);
 
         var createContainerParam = new PrmContainerCreate(
-           new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
-        {
-            WaitParams = lightWait
-        };
+           new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+           lightWait);
 
-        var containerId = await pool.CreateContainerAsync(createContainerParam);
+        var containerId = await pool.CreateContainerAsync(createContainerParam, default);
 
         var bytes = new byte[] { 1, 2, 3 };
 
@@ -240,30 +235,28 @@ public class PoolSmokeTests : SmokeTestsBase
             PayloadLength = 3
         };
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: containerId,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")],
                 new FrostFsSplit()),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var objectId = await pool.PutObjectAsync(param);
+        var objectId = await pool.PutObjectAsync(param, default);
 
-        var head = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
+        var head = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId, false), default);
 
-        var ecdsaKey = this.keyString.LoadWif();
+        var ecdsaKey = keyString.LoadWif();
 
-        var networkInfo = await pool.GetNetmapSnapshotAsync();
+        var networkInfo = await pool.GetNetmapSnapshotAsync(default);
 
         await CheckFilter(pool, containerId, new FilterByContainerId(FrostFsMatchType.Equals, containerId));
 
         await CheckFilter(pool, containerId, new FilterByOwnerId(FrostFsMatchType.Equals, FrostFsOwner.FromKey(ecdsaKey)));
 
-        await CheckFilter(pool, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header.Split!.SplitId));
+        await CheckFilter(pool, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header!.Split!.SplitId));
 
         await CheckFilter(pool, containerId, new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test"));
 
@@ -286,12 +279,12 @@ public class PoolSmokeTests : SmokeTestsBase
     {
         var resultObjectsCount = 0;
 
-        PrmObjectSearch searchParam = new(containerId) { Filters = [filter] };
+        PrmObjectSearch searchParam = new(containerId, null, [], filter);
 
-        await foreach (var objId in pool.SearchObjectsAsync(searchParam))
+        await foreach (var objId in pool.SearchObjectsAsync(searchParam, default))
         {
             resultObjectsCount++;
-            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objId));
+            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objId), default);
         }
 
         Assert.True(0 < resultObjectsCount, $"Filter for {filter.Key} doesn't work");
@@ -307,7 +300,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         var options = GetDefaultParams();
 
-        options.Callback = new((CallStatistics cs) =>
+        options.Callback = new((cs) =>
         {
             callbackInvoked = true;
             Assert.True(cs.ElapsedMicroSeconds > 0);
@@ -315,45 +308,45 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
 
         Assert.Null(error);
 
         await Cleanup(pool);
 
-        var ctx = new CallContext { };
-
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1)), [new("testKey", "testValue")]), ctx);
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
 
-        var createdContainer = await pool.CreateContainerAsync(createContainerParam);
+        var createdContainer = await pool.CreateContainerAsync(createContainerParam, default);
 
-        var container = await pool.GetContainerAsync(new PrmContainerGet(createdContainer));
+        var container = await pool.GetContainerAsync(new PrmContainerGet(createdContainer), default);
         Assert.NotNull(container);
         Assert.True(callbackInvoked);
 
         var bytes = GetRandomBytes(objectSize);
 
-        var param = new PrmObjectPut()
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: createdContainer,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var objectId = await pool.PutObjectAsync(param);
+        var objectId = await pool.PutObjectAsync(param, default);
 
         var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
-        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(createdContainer) { Filters = [filter] }))
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(createdContainer, null, [], filter), default))
         {
             hasObject = true;
 
-            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId));
+            var res = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId), default);
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
             Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes!);
@@ -363,7 +356,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         Assert.True(hasObject);
 
-        var @object = await pool.GetObjectAsync(new PrmObjectGet(createdContainer, objectId));
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(createdContainer, objectId), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -378,7 +371,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         await Cleanup(pool);
 
-        await foreach (var _ in pool.ListContainersAsync())
+        await foreach (var _ in pool.ListContainersAsync(default, default))
         {
             Assert.Fail("Containers exist");
         }
@@ -393,52 +386,51 @@ public class PoolSmokeTests : SmokeTestsBase
         var options = GetDefaultParams();
 
         using var pool = new Pool(options);
-        options.Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0));
+        options.Callback = new((cs) => Assert.True(cs.ElapsedMicroSeconds > 0));
 
-        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
 
         Assert.Null(error);
 
-        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
+        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
 
         await Cleanup(pool);
 
-        var ctx = new CallContext
-        {
-            Timeout = TimeSpan.FromSeconds(20)
-        };
+        var ctx = new CallContext(TimeSpan.FromSeconds(20));
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))), ctx);
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+             PrmWait.DefaultParams);
 
-        var container = await pool.CreateContainerAsync(createContainerParam);
+        var container = await pool.CreateContainerAsync(createContainerParam, ctx);
 
-        var containerInfo = await pool.GetContainerAsync(new PrmContainerGet(container, ctx));
+        var containerInfo = await pool.GetContainerAsync(new PrmContainerGet(container), ctx);
         Assert.NotNull(containerInfo);
 
         var bytes = GetRandomBytes(objectSize);
 
-        var param = new PrmObjectPut(new CallContext())
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: container,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false,
-            SessionToken = token
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
 
-        var objectId = await pool.PutObjectAsync(param);
+        var objectId = await pool.PutObjectAsync(param, default);
 
         var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
-        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(container) { Filters = [filter], SessionToken = token }))
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(container, token, [], filter), default))
         {
             hasObject = true;
 
-            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId) { SessionToken = token });
+            var res = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId, false, token), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
             Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
@@ -448,7 +440,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         Assert.True(hasObject);
 
-        var @object = await pool.GetObjectAsync(new PrmObjectGet(container, objectId) { SessionToken = token });
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(container, objectId, token), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -463,7 +455,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         await Cleanup(pool);
 
-        await foreach (var _ in pool.ListContainersAsync())
+        await foreach (var _ in pool.ListContainersAsync(default, default))
         {
             Assert.Fail("Containers exist");
         }
@@ -482,52 +474,49 @@ public class PoolSmokeTests : SmokeTestsBase
 
         using var pool = new Pool(options);
 
-        var error = await pool.Dial(new CallContext()).ConfigureAwait(true);
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
 
         Assert.Null(error);
 
         await Cleanup(pool);
 
-        var createContainerParam = new PrmContainerCreate(new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
-        {
-            WaitParams = lightWait
-        };
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            lightWait);
 
-        var containerId = await pool.CreateContainerAsync(createContainerParam);
+        var containerId = await pool.CreateContainerAsync(createContainerParam, default);
 
-        var ctx = new CallContext
-        {
-            Timeout = TimeSpan.FromSeconds(10),
-        };
+        var ctx = new CallContext(TimeSpan.FromSeconds(10));
 
         //  ctx.Interceptors.Add(new CallbackInterceptor());
 
-        var container = await pool.GetContainerAsync(new PrmContainerGet(containerId, ctx));
+        var container = await pool.GetContainerAsync(new PrmContainerGet(containerId), ctx);
 
         Assert.NotNull(container);
 
         byte[] bytes = GetRandomBytes(objectSize);
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: containerId,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = true
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: true);
 
-        var objectId = await pool.PutObjectAsync(param);
+        var objectId = await pool.PutObjectAsync(param, default);
 
         var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
-        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(containerId, null, filter)))
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(containerId, null, [], filter), default))
         {
             hasObject = true;
 
-            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
+            var res = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
             Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
@@ -537,7 +526,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         Assert.True(hasObject);
 
-        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId));
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -554,7 +543,7 @@ public class PoolSmokeTests : SmokeTestsBase
 
         await Cleanup(pool);
 
-        await foreach (var cid in pool.ListContainersAsync())
+        await foreach (var cid in pool.ListContainersAsync(default, default))
         {
             Assert.Fail($"Container {cid.GetValue()} exist");
         }
@@ -587,9 +576,9 @@ public class PoolSmokeTests : SmokeTestsBase
 
     static async Task Cleanup(Pool pool)
     {
-        await foreach (var cid in pool.ListContainersAsync())
+        await foreach (var cid in pool.ListContainersAsync(default, default))
         {
-            await pool.DeleteContainerAsync(new PrmContainerDelete(cid) { WaitParams = lightWait }).ConfigureAwait(true);
+            await pool.DeleteContainerAsync(new PrmContainerDelete(cid, lightWait), default).ConfigureAwait(true);
         }
     }
 }

src/FrostFS.SDK.Tests/Multithread/MultithreadSmokeClientTests.cs

@@ -4,23 +4,24 @@ using System.Security.Cryptography;
 using FrostFS.SDK.Client;
 using FrostFS.SDK.Client.Interfaces;
 using FrostFS.SDK.Cryptography;
+using FrostFS.SDK.SmokeTests;
 
 using Microsoft.Extensions.Options;
 
-namespace FrostFS.SDK.SmokeTests;
+namespace FrostFS.SDK.Tests.Smoke;
 
 [SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 [SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
-public class SmokeClientTests : SmokeTestsBase
+public class MultithreadSmokeClientTests : SmokeTestsBase
 {
     private static readonly PrmWait lightWait = new(100, 1);
 
     [Fact]
     public async void AccountTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
-        var result = await client.GetBalanceAsync();
+        var result = await client.GetBalanceAsync(default);
 
         Assert.NotNull(result);
         Assert.True(result.Value == 0);
@@ -29,9 +30,9 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void NetworkMapTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
-        var result = await client.GetNetmapSnapshotAsync();
+        var result = await client.GetNetmapSnapshotAsync(default);
 
         Assert.True(result.Epoch > 0);
         Assert.Single(result.NodeInfoCollection);
@@ -49,9 +50,9 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void NodeInfoTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
-        var result = await client.GetNodeInfoAsync();
+        var result = await client.GetNodeInfoAsync(default);
 
         Assert.Equal(2, result.Version.Major);
         Assert.Equal(13, result.Version.Minor);
@@ -64,14 +65,14 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void NodeInfoStatisticsTest()
     {
-        var options = GetClientOptions(this.keyString, this.url);
+        var options = GetClientOptions(keyString, url);
 
         var callbackContent = string.Empty;
         options.Value.Callback = (cs) => callbackContent = $"{cs.MethodName} took {cs.ElapsedMicroSeconds} microseconds";
 
-        using var client = FrostFSClient.GetSingleOwnerInstance(options);
+        using var client = FrostFSClient.GetInstance(options);
 
-        var result = await client.GetNodeInfoAsync();
+        var result = await client.GetNodeInfoAsync(default);
 
         Assert.NotEmpty(callbackContent);
     }
@@ -79,11 +80,9 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void GetSessionTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
-        PrmSessionCreate? prm = new(100);
-
-        var token = await client.CreateSessionAsync(prm);
+        var token = await client.CreateSessionAsync(new(100), default);
 
         var ownerHash = Base58.Decode(OwnerId!.Value);
 
@@ -95,35 +94,33 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void CreateObjectWithSessionToken()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
         await Cleanup(client);
 
-        var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
+        var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))));
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["key1", "value1"]);
 
-        createContainerParam.XHeaders.Add("key1", "value1");
-
-        var containerId = await client.CreateContainerAsync(createContainerParam);
+        var containerId = await client.CreateContainerAsync(createContainerParam, default);
 
         var bytes = GetRandomBytes(1024);
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: containerId,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false,
-            SessionToken = token
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
 
-        var objectId = await client.PutObjectAsync(param).ConfigureAwait(true);
+        var objectId = await client.PutObjectAsync(param, default).ConfigureAwait(true);
 
-        var @object = await client.GetObjectAsync(new PrmObjectGet(containerId, objectId))
+        var @object = await client.GetObjectAsync(new PrmObjectGet(containerId, objectId), default)
             .ConfigureAwait(true);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
@@ -143,17 +140,15 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void FilterTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
         await Cleanup(client);
 
         var createContainerParam = new PrmContainerCreate(
-           new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
-        {
-            WaitParams = lightWait
-        };
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            lightWait);
 
-        var containerId = await client.CreateContainerAsync(createContainerParam);
+        var containerId = await client.CreateContainerAsync(createContainerParam, default);
 
         var bytes = new byte[] { 1, 2, 3 };
 
@@ -164,30 +159,28 @@ public class SmokeClientTests : SmokeTestsBase
             PayloadLength = 3
         };
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: containerId,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")],
                 new FrostFsSplit()),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var objectId = await client.PutObjectAsync(param);
+        var objectId = await client.PutObjectAsync(param, default);
 
-        var head = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
+        var head = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId), default);
 
-        var ecdsaKey = this.keyString.LoadWif();
+        var ecdsaKey = keyString.LoadWif();
 
-        var networkInfo = await client.GetNetmapSnapshotAsync();
+        var networkInfo = await client.GetNetmapSnapshotAsync(default);
 
         await CheckFilter(client, containerId, new FilterByContainerId(FrostFsMatchType.Equals, containerId));
 
         await CheckFilter(client, containerId, new FilterByOwnerId(FrostFsMatchType.Equals, FrostFsOwner.FromKey(ecdsaKey)));
 
-        await CheckFilter(client, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header.Split!.SplitId));
+        await CheckFilter(client, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header!.Split!.SplitId));
 
         await CheckFilter(client, containerId, new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test"));
 
@@ -210,12 +203,12 @@ public class SmokeClientTests : SmokeTestsBase
     {
         var resultObjectsCount = 0;
 
-        PrmObjectSearch searchParam = new(containerId) { Filters = [filter] };
+        PrmObjectSearch searchParam = new(containerId, null, [], filter);
 
-        await foreach (var objId in client.SearchObjectsAsync(searchParam))
+        await foreach (var objId in client.SearchObjectsAsync(searchParam, default))
         {
             resultObjectsCount++;
-            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objId));
+            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objId), default);
         }
 
         Assert.True(0 < resultObjectsCount, $"Filter for {filter.Key} doesn't work");
@@ -229,51 +222,53 @@ public class SmokeClientTests : SmokeTestsBase
     {
         bool callbackInvoked = false;
 
-        var options = GetClientOptions(this.keyString, this.url);
+        var options = GetClientOptions(keyString, url);
 
-        options.Value.Callback = new((CallStatistics cs) =>
+        options.Value.Callback = new((cs) =>
         {
             callbackInvoked = true;
             Assert.True(cs.ElapsedMicroSeconds > 0);
         });
 
-        using var client = FrostFSClient.GetSingleOwnerInstance(options);
+        using var client = FrostFSClient.GetInstance(options);
 
         await Cleanup(client);
 
-        var ctx = new CallContext { Timeout = TimeSpan.FromSeconds(20) };
+        var ctx = new CallContext(TimeSpan.FromSeconds(20));
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1)), [new("testKey", "testValue")]), ctx);
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
 
-        var createdContainer = await client.CreateContainerAsync(createContainerParam);
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, ctx);
 
-        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer));
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
         Assert.NotNull(container);
         Assert.True(callbackInvoked);
 
         var bytes = GetRandomBytes(objectSize);
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: createdContainer,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var objectId = await client.PutObjectAsync(param);
+        var objectId = await client.PutObjectAsync(param, default);
 
         var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
-        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(createdContainer) { Filters = [filter] }))
+        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(createdContainer, null, [], filter), default))
         {
             hasObject = true;
 
-            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId));
+            var res = await client.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId), default);
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
             Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
@@ -283,7 +278,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         Assert.True(hasObject);
 
-        var @object = await client.GetObjectAsync(new PrmObjectGet(createdContainer, objectId));
+        var @object = await client.GetObjectAsync(new PrmObjectGet(createdContainer, objectId), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -298,7 +293,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         await Cleanup(client);
 
-        await foreach (var _ in client.ListContainersAsync())
+        await foreach (var _ in client.ListContainersAsync(default, default))
         {
             Assert.Fail("Containers exist");
         }
@@ -307,54 +302,53 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void PatchTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
         await Cleanup(client);
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1)), [new("testKey", "testValue")]));
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
 
-        var createdContainer = await client.CreateContainerAsync(createContainerParam);
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, default);
 
-        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer));
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
         Assert.NotNull(container);
 
         var bytes = new byte[1024];
         for (int i = 0; i < 1024; i++)
         {
-            bytes[i] = (byte)31;
+            bytes[i] = 31;
         }
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: createdContainer,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var objectId = await client.PutObjectAsync(param);
+        var objectId = await client.PutObjectAsync(param, default);
 
         var patch = new byte[16];
         for (int i = 0; i < 16; i++)
         {
-            patch[i] = (byte)32;
+            patch[i] = 32;
         }
 
         var range = new FrostFsRange(8, (ulong)patch.Length);
 
-        var patchParams = new PrmObjectPatch(new FrostFsAddress(createdContainer, objectId))
-        {
-            Payload = new MemoryStream(patch),
-            MaxPayloadPatchChunkLength = 32,
-            Range = range
-        };
+        var patchParams = new PrmObjectPatch(
+            new FrostFsAddress(createdContainer, objectId),
+            payload: new MemoryStream(patch),
+            maxChunkLength: 32,
+            range: range);
 
-        var newIbjId = await client.PatchObjectAsync(patchParams);
+        var newIbjId = await client.PatchObjectAsync(patchParams, default);
 
-        var @object = await client.GetObjectAsync(new PrmObjectGet(createdContainer, newIbjId));
+        var @object = await client.GetObjectAsync(new PrmObjectGet(createdContainer, newIbjId), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -378,7 +372,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         await Cleanup(client);
 
-        await foreach (var _ in client.ListContainersAsync())
+        await foreach (var _ in client.ListContainersAsync(default, default))
         {
             Assert.Fail("Containers exist");
         }
@@ -387,16 +381,18 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void RangeTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
         await Cleanup(client);
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1)), [new("testKey", "testValue")]));
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
 
-        var createdContainer = await client.CreateContainerAsync(createContainerParam);
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, default);
 
-        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer));
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
         Assert.NotNull(container);
 
         var bytes = new byte[256];
@@ -405,20 +401,16 @@ public class SmokeClientTests : SmokeTestsBase
             bytes[i] = (byte)i;
         }
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
-                containerId: createdContainer,
-                type: FrostFsObjectType.Regular),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(containerId: createdContainer, type: FrostFsObjectType.Regular),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var objectId = await client.PutObjectAsync(param);
+        var objectId = await client.PutObjectAsync(param, default);
 
         var rangeParam = new PrmRangeGet(createdContainer, objectId, new FrostFsRange(100, 64));
 
-        var rangeReader = await client.GetRangeAsync(rangeParam);
+        var rangeReader = await client.GetRangeAsync(rangeParam, default);
 
         var downloadedBytes = new byte[rangeParam.Range.Length];
         MemoryStream ms = new(downloadedBytes);
@@ -433,7 +425,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         await Cleanup(client);
 
-        await foreach (var _ in client.ListContainersAsync())
+        await foreach (var _ in client.ListContainersAsync(default, default))
         {
             Assert.Fail("Containers exist");
         }
@@ -442,16 +434,18 @@ public class SmokeClientTests : SmokeTestsBase
     [Fact]
     public async void RangeHashTest()
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
         await Cleanup(client);
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1)), [new("testKey", "testValue")]));
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
 
-        var createdContainer = await client.CreateContainerAsync(createContainerParam);
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, default);
 
-        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer));
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
         Assert.NotNull(container);
 
         var bytes = new byte[256];
@@ -460,20 +454,18 @@ public class SmokeClientTests : SmokeTestsBase
             bytes[i] = (byte)i;
         }
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: createdContainer,
                 type: FrostFsObjectType.Regular),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var objectId = await client.PutObjectAsync(param);
+        var objectId = await client.PutObjectAsync(param, default);
 
         var rangeParam = new PrmRangeHashGet(createdContainer, objectId, [new FrostFsRange(100, 64)], bytes);
 
-        var hashes = await client.GetRangeHashAsync(rangeParam);
+        var hashes = await client.GetRangeHashAsync(rangeParam, default);
 
         foreach (var hash in hashes)
         {
@@ -482,7 +474,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         await Cleanup(client);
 
-        await foreach (var _ in client.ListContainersAsync())
+        await foreach (var _ in client.ListContainersAsync(default, default))
         {
             Assert.Fail("Containers exist");
         }
@@ -494,49 +486,48 @@ public class SmokeClientTests : SmokeTestsBase
     [InlineData(6 * 1024 * 1024 + 100)]
     public async void SimpleScenarioWithSessionTest(int objectSize)
     {
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
         //Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
-        var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
+        var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
 
         await Cleanup(client);
 
-        var ctx = new CallContext
-        {
-            Timeout = TimeSpan.FromSeconds(20),
-
-        };
+        var ctx = new CallContext(TimeSpan.FromSeconds(20));
 
         var createContainerParam = new PrmContainerCreate(
-            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))), ctx);
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams);
 
-        var container = await client.CreateContainerAsync(createContainerParam);
+        var container = await client.CreateContainerAsync(createContainerParam, ctx);
 
-        var containerInfo = await client.GetContainerAsync(new PrmContainerGet(container, ctx));
+        var containerInfo = await client.GetContainerAsync(new PrmContainerGet(container), ctx);
         Assert.NotNull(containerInfo);
 
         var bytes = GetRandomBytes(objectSize);
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: container,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = false,
-            SessionToken = token
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
 
-        var objectId = await client.PutObjectAsync(param);
+        var objectId = await client.PutObjectAsync(param, default);
 
         var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
-        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(container) { Filters = [filter], SessionToken = token }))
+        await foreach (var objId in client.SearchObjectsAsync(
+            new PrmObjectSearch(container, token, [], filter), default))
         {
             hasObject = true;
 
-            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId) { SessionToken = token });
+            var res = await client.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId, false, token), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
             Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
@@ -546,7 +537,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         Assert.True(hasObject);
 
-        var @object = await client.GetObjectAsync(new PrmObjectGet(container, objectId) { SessionToken = token });
+        var @object = await client.GetObjectAsync(new PrmObjectGet(container, objectId, token), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -561,7 +552,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         await Cleanup(client);
 
-        await foreach (var _ in client.ListContainersAsync())
+        await foreach (var _ in client.ListContainersAsync(default, default))
         {
             Assert.Fail("Containers exist");
         }
@@ -577,48 +568,48 @@ public class SmokeClientTests : SmokeTestsBase
     public async void ClientCutScenarioTest(int objectSize)
     {
 
-        var options = GetClientOptions(this.keyString, this.url);
+        var options = GetClientOptions(keyString, url);
         options.Value.Interceptors.Add(new CallbackInterceptor());
 
-        using var client = FrostFSClient.GetSingleOwnerInstance(GetClientOptions(this.keyString, this.url));
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
 
         await Cleanup(client);
 
-        var createContainerParam = new PrmContainerCreate(new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
-        {
-            WaitParams = lightWait
-        };
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            lightWait);
 
-        var containerId = await client.CreateContainerAsync(createContainerParam);
+        var containerId = await client.CreateContainerAsync(createContainerParam, default);
 
-        var ctx = new CallContext { Timeout = TimeSpan.FromSeconds(10) };
+        var ctx = new CallContext(TimeSpan.FromSeconds(10));
 
-        var container = await client.GetContainerAsync(new PrmContainerGet(containerId, ctx));
+        var container = await client.GetContainerAsync(new PrmContainerGet(containerId), ctx);
 
         Assert.NotNull(container);
 
         byte[] bytes = GetRandomBytes(objectSize);
 
-        var param = new PrmObjectPut
-        {
-            Header = new FrostFsObjectHeader(
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
                 containerId: containerId,
                 type: FrostFsObjectType.Regular,
                 [new FrostFsAttributePair("fileName", "test")]),
-            Payload = new MemoryStream(bytes),
-            ClientCut = true
-        };
+            payload: new MemoryStream(bytes),
+            clientCut: true);
 
-        var objectId = await client.PutObjectAsync(param);
+        var objectId = await client.PutObjectAsync(param, default);
 
         var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
-        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(containerId, null, filter)))
+        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(containerId, null, [], filter), default))
         {
             hasObject = true;
 
-            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId));
+            var res = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
             Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
             Assert.NotNull(objHeader.Attributes);
             Assert.Single(objHeader.Attributes);
@@ -628,7 +619,7 @@ public class SmokeClientTests : SmokeTestsBase
 
         Assert.True(hasObject);
 
-        var @object = await client.GetObjectAsync(new PrmObjectGet(containerId, objectId));
+        var @object = await client.GetObjectAsync(new PrmObjectGet(containerId, objectId), default);
 
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
@@ -656,7 +647,7 @@ public class SmokeClientTests : SmokeTestsBase
                 break;
             }
 
-            enumerator = client.ListContainersAsync().GetAsyncEnumerator();
+            enumerator = client.ListContainersAsync(default, default).GetAsyncEnumerator();
             await Task.Delay(500);
         }
         while (await enumerator!.MoveNextAsync());
@@ -668,8 +659,8 @@ public class SmokeClientTests : SmokeTestsBase
         bool callbackInvoked = false;
         bool intercepterInvoked = false;
 
-        var options = GetClientOptions(this.keyString, this.url);
-        options.Value.Callback = (CallStatistics cs) =>
+        var options = GetClientOptions(keyString, url);
+        options.Value.Callback = (cs) =>
         {
             callbackInvoked = true;
             Assert.True(cs.ElapsedMicroSeconds > 0);
@@ -677,9 +668,9 @@ public class SmokeClientTests : SmokeTestsBase
 
         options.Value.Interceptors.Add(new CallbackInterceptor(s => intercepterInvoked = true));
 
-        using var client = FrostFSClient.GetSingleOwnerInstance(options);
+        using var client = FrostFSClient.GetInstance(options);
 
-        var result = await client.GetNodeInfoAsync(new PrmNodeInfo());
+        var result = await client.GetNodeInfoAsync(default);
 
         Assert.True(callbackInvoked);
         Assert.True(intercepterInvoked);
@@ -712,9 +703,9 @@ public class SmokeClientTests : SmokeTestsBase
 
     static async Task Cleanup(IFrostFSClient client)
     {
-        await foreach (var cid in client.ListContainersAsync())
+        await foreach (var cid in client.ListContainersAsync(default, default))
         {
-            await client.DeleteContainerAsync(new PrmContainerDelete(cid) { WaitParams = lightWait });
+            await client.DeleteContainerAsync(new PrmContainerDelete(cid, lightWait), default);
         }
     }
 }

src/FrostFS.SDK.Tests/Smoke/PoolSmokeTests.cs

@@ -0,0 +1,585 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Security.Cryptography;
+
+using FrostFS.SDK.Client;
+using FrostFS.SDK.Cryptography;
+
+using Microsoft.Extensions.Options;
+
+namespace FrostFS.SDK.Tests.Smoke;
+
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
+[SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
+public class PoolSmokeTests : SmokeTestsBase
+{
+    private static readonly PrmWait lightWait = new(100, 1);
+
+    private InitParameters GetDefaultParams()
+    {
+        return new InitParameters
+        {
+            Key = keyString.LoadWif(),
+
+            NodeParams = [new(1, url, 100.0f)],
+            ClientBuilder = null,
+            GracefulCloseOnSwitchTimeout = 30_000_000,
+            Logger = null
+        };
+    }
+
+    [Fact]
+    public async void NetworkMapTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero));
+
+        Assert.Null(error);
+
+        var result = await pool.GetNetmapSnapshotAsync(default);
+
+        Assert.True(result.Epoch > 0);
+        Assert.Single(result.NodeInfoCollection);
+
+        var item = result.NodeInfoCollection[0];
+        Assert.Equal(2, item.Version.Major);
+        Assert.Equal(13, item.Version.Minor);
+        Assert.Equal(NodeState.Online, item.State);
+        Assert.True(item.PublicKey.Length > 0);
+        Assert.Single(item.Addresses);
+        Assert.Equal(9, item.Attributes.Count);
+    }
+
+    [Fact]
+    public async void NodeInfoTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero));
+
+        Assert.Null(error);
+
+        var result = await pool.GetNodeInfoAsync(default);
+
+        Assert.Equal(2, result.Version.Major);
+        Assert.Equal(13, result.Version.Minor);
+        Assert.Equal(NodeState.Online, result.State);
+        Assert.Equal(33, result.PublicKey.Length);
+        Assert.Single(result.Addresses);
+        Assert.Equal(9, result.Attributes.Count);
+    }
+
+    [Fact]
+    public async void NodeInfoStatisticsTwoNodesTest()
+    {
+        var callbackText = string.Empty;
+
+        var options = new InitParameters
+        {
+            Key = keyString.LoadWif(),
+            NodeParams = [
+                new(1, url, 100.0f),
+                new(2, url.Replace('0', '1'), 100.0f)
+                ],
+            ClientBuilder = null,
+            GracefulCloseOnSwitchTimeout = 30_000_000,
+            Logger = null,
+            Callback = (cs) => callbackText = $"{cs.MethodName} took {cs.ElapsedMicroSeconds} microseconds"
+        };
+
+        using var pool = new Pool(options);
+
+        var ctx = new CallContext(TimeSpan.Zero);
+
+        var error = await pool.Dial(ctx).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        using var client = FrostFSClient.GetInstance(GetSingleOwnerOptions(keyString, url));
+
+        var result = await client.GetNodeInfoAsync(default);
+
+        var statistics = pool.Statistic();
+
+        Assert.False(string.IsNullOrEmpty(callbackText));
+        Assert.Contains(" took ", callbackText, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public async void NodeInfoStatisticsTest()
+    {
+        var options = GetDefaultParams();
+
+        var callbackText = string.Empty;
+        options.Callback = (cs) => callbackText = $"{cs.MethodName} took {cs.ElapsedMicroSeconds} microseconds";
+
+        using var pool = new Pool(options);
+
+        var ctx = new CallContext(TimeSpan.Zero);
+
+        var error = await pool.Dial(ctx).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        using var client = FrostFSClient.GetInstance(GetSingleOwnerOptions(keyString, url));
+
+        var result = await client.GetNodeInfoAsync(default);
+
+        Assert.False(string.IsNullOrEmpty(callbackText));
+        Assert.Contains(" took ", callbackText, StringComparison.Ordinal);
+    }
+
+    [Fact]
+    public async void GetSessionTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        var prm = new PrmSessionCreate(100);
+
+        var token = await pool.CreateSessionAsync(prm, default).ConfigureAwait(true);
+
+        var ownerHash = Base58.Decode(OwnerId!.Value);
+
+        Assert.NotNull(token);
+        Assert.NotEqual(Guid.Empty, token.Id);
+        Assert.Equal(33, token.SessionKey.Length);
+    }
+
+    [Fact]
+    public async void CreateObjectWithSessionToken()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["key1", "value1"]);
+
+        var containerId = await pool.CreateContainerAsync(createContainerParam, default);
+
+        var bytes = GetRandomBytes(1024);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
+
+        var objectId = await pool.PutObjectAsync(param, default).ConfigureAwait(true);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(pool);
+    }
+
+    [Fact]
+    public async void FilterTest()
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            lightWait);
+
+        var containerId = await pool.CreateContainerAsync(createContainerParam, default);
+
+        var bytes = new byte[] { 1, 2, 3 };
+
+        var ParentHeader = new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular)
+        {
+            PayloadLength = 3
+        };
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")],
+                new FrostFsSplit()),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
+
+        var objectId = await pool.PutObjectAsync(param, default);
+
+        var head = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId), default);
+
+        var ecdsaKey = keyString.LoadWif();
+
+        var networkInfo = await pool.GetNetmapSnapshotAsync(default);
+
+        await CheckFilter(pool, containerId, new FilterByContainerId(FrostFsMatchType.Equals, containerId));
+
+        await CheckFilter(pool, containerId, new FilterByOwnerId(FrostFsMatchType.Equals, FrostFsOwner.FromKey(ecdsaKey)));
+
+        await CheckFilter(pool, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header!.Split!.SplitId));
+
+        await CheckFilter(pool, containerId, new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test"));
+
+        await CheckFilter(pool, containerId, new FilterByObjectId(FrostFsMatchType.Equals, objectId));
+
+        await CheckFilter(pool, containerId, new FilterByVersion(FrostFsMatchType.Equals, networkInfo.NodeInfoCollection[0].Version));
+
+        await CheckFilter(pool, containerId, new FilterByEpoch(FrostFsMatchType.Equals, networkInfo.Epoch));
+
+        await CheckFilter(pool, containerId, new FilterByPayloadLength(FrostFsMatchType.Equals, 3));
+
+        var checkSum = CheckSum.CreateCheckSum(bytes);
+
+        await CheckFilter(pool, containerId, new FilterByPayloadHash(FrostFsMatchType.Equals, checkSum));
+
+        await CheckFilter(pool, containerId, new FilterByPhysicallyStored());
+    }
+
+    private static async Task CheckFilter(Pool pool, FrostFsContainerId containerId, IObjectFilter filter)
+    {
+        var resultObjectsCount = 0;
+
+        PrmObjectSearch searchParam = new(containerId, null, [], filter);
+
+        await foreach (var objId in pool.SearchObjectsAsync(searchParam, default))
+        {
+            resultObjectsCount++;
+            var objHeader = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objId), default);
+        }
+
+        Assert.True(0 < resultObjectsCount, $"Filter for {filter.Key} doesn't work");
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(3 * 1024 * 1024)]            // exactly one chunk size - 3MB
+    [InlineData(6 * 1024 * 1024 + 100)]
+    public async void SimpleScenarioTest(int objectSize)
+    {
+        bool callbackInvoked = false;
+
+        var options = GetDefaultParams();
+
+        options.Callback = new((cs) =>
+        {
+            callbackInvoked = true;
+            Assert.True(cs.ElapsedMicroSeconds > 0);
+        });
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        var ctx = new CallContext(TimeSpan.Zero);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
+
+        var createdContainer = await pool.CreateContainerAsync(createContainerParam, ctx);
+
+        var container = await pool.GetContainerAsync(new PrmContainerGet(createdContainer), default);
+        Assert.NotNull(container);
+        Assert.True(callbackInvoked);
+
+        var bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: createdContainer,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
+
+        var objectId = await pool.PutObjectAsync(param, default);
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(createdContainer, null, [], filter), default))
+        {
+            hasObject = true;
+
+            var res = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId), default);
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
+            Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes!);
+            Assert.Equal("fileName", objHeader.Attributes!.First().Key);
+            Assert.Equal("test", objHeader.Attributes!.First().Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(createdContainer, objectId), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(pool);
+
+        await foreach (var _ in pool.ListContainersAsync(default, default))
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(3 * 1024 * 1024)]            // exactly one chunk size - 3MB
+    [InlineData(6 * 1024 * 1024 + 100)]
+    public async void SimpleScenarioWithSessionTest(int objectSize)
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+        options.Callback = new((cs) => Assert.True(cs.ElapsedMicroSeconds > 0));
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        var token = await pool.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
+
+        await Cleanup(pool);
+
+        var ctx = new CallContext(TimeSpan.FromSeconds(20));
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams);
+
+        var container = await pool.CreateContainerAsync(createContainerParam, ctx);
+
+        var containerInfo = await pool.GetContainerAsync(new PrmContainerGet(container), ctx);
+        Assert.NotNull(containerInfo);
+
+        var bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: container,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
+
+        var objectId = await pool.PutObjectAsync(param, new CallContext(TimeSpan.Zero));
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        var objs = pool.SearchObjectsAsync(new PrmObjectSearch(container, token, [], filter), default);
+        await foreach (var objId in objs)
+        {
+            hasObject = true;
+
+            var res = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId, false, token), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
+            Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes);
+            Assert.Equal("fileName", objHeader.Attributes.First().Key);
+            Assert.Equal("test", objHeader.Attributes.First().Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(container, objectId, token), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(pool);
+
+        await foreach (var _ in pool.ListContainersAsync(default, default))
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(64 * 1024 * 1024)]      // exactly 1 block size - 64MB
+    [InlineData(64 * 1024 * 1024 - 1)]
+    [InlineData(64 * 1024 * 1024 + 1)]
+    [InlineData(2 * 64 * 1024 * 1024 + 256)]
+    [InlineData(200)]
+    public async void ClientCutScenarioTest(int objectSize)
+    {
+        var options = GetDefaultParams();
+
+        using var pool = new Pool(options);
+
+        var error = await pool.Dial(new CallContext(TimeSpan.Zero)).ConfigureAwait(true);
+
+        Assert.Null(error);
+
+        await Cleanup(pool);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            lightWait);
+
+        var containerId = await pool.CreateContainerAsync(createContainerParam, default);
+
+        var ctx = new CallContext(TimeSpan.FromSeconds(10));
+
+        //  ctx.Interceptors.Add(new CallbackInterceptor());
+
+        var container = await pool.GetContainerAsync(new PrmContainerGet(containerId), ctx);
+
+        Assert.NotNull(container);
+
+        byte[] bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: true);
+
+        var objectId = await pool.PutObjectAsync(param, default);
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        await foreach (var objId in pool.SearchObjectsAsync(new PrmObjectSearch(containerId, null, [], filter), default))
+        {
+            hasObject = true;
+
+            var res = await pool.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader); Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes);
+            Assert.Equal("fileName", objHeader.Attributes[0].Key);
+            Assert.Equal("test", objHeader.Attributes[0].Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await pool.GetObjectAsync(new PrmObjectGet(containerId, objectId), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await CheckFilter(pool, containerId, new FilterByRootObject());
+
+        await Cleanup(pool);
+
+        await foreach (var cid in pool.ListContainersAsync(default, default))
+        {
+            Assert.Fail($"Container {cid.GetValue()} exist");
+        }
+    }
+
+    private static byte[] GetRandomBytes(int size)
+    {
+        Random rnd = new();
+        var bytes = new byte[size];
+        rnd.NextBytes(bytes);
+        return bytes;
+    }
+
+    private static IOptions<ClientSettings> GetSingleOwnerOptions(string key, string url)
+    {
+        return Options.Create(new ClientSettings
+        {
+            Key = key,
+            Host = url
+        });
+    }
+
+    private static IOptions<ClientSettings> GetOptions(string url)
+    {
+        return Options.Create(new ClientSettings
+        {
+            Host = url
+        });
+    }
+
+    static async Task Cleanup(Pool pool)
+    {
+        await foreach (var cid in pool.ListContainersAsync(default, default))
+        {
+            await pool.DeleteContainerAsync(new PrmContainerDelete(cid, lightWait), default).ConfigureAwait(true);
+        }
+    }
+}

src/FrostFS.SDK.Tests/Smoke/SmokeClientTests.cs

@@ -0,0 +1,709 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Security.Cryptography;
+
+using FrostFS.SDK.Client;
+using FrostFS.SDK.Client.Interfaces;
+using FrostFS.SDK.Cryptography;
+using FrostFS.SDK.SmokeTests;
+
+using Microsoft.Extensions.Options;
+
+namespace FrostFS.SDK.Tests.Smoke;
+
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
+[SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
+public class SmokeClientTests : SmokeTestsBase
+{
+    private static readonly PrmWait lightWait = new(100, 1);
+
+    [Fact]
+    public async void AccountTest()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        var result = await client.GetBalanceAsync(default);
+
+        Assert.NotNull(result);
+        Assert.True(result.Value == 0);
+    }
+
+    [Fact]
+    public async void NodeInfoTest()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        var result = await client.GetNodeInfoAsync(default);
+
+        Assert.Equal(2, result.Version.Major);
+        Assert.Equal(13, result.Version.Minor);
+        Assert.Equal(NodeState.Online, result.State);
+        Assert.Equal(33, result.PublicKey.Length);
+        Assert.Single(result.Addresses);
+        Assert.Equal(9, result.Attributes.Count);
+    }
+
+    [Fact]
+    public async void NodeInfoStatisticsTest()
+    {
+        var options = GetClientOptions(keyString, url);
+
+        var callbackContent = string.Empty;
+        options.Value.Callback = (cs) => callbackContent = $"{cs.MethodName} took {cs.ElapsedMicroSeconds} microseconds";
+
+        using var client = FrostFSClient.GetInstance(options);
+
+        var result = await client.GetNodeInfoAsync(default);
+
+        Assert.NotEmpty(callbackContent);
+    }
+
+    [Fact]
+    public async void GetSessionTest()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        var token = await client.CreateSessionAsync(new(100), default);
+
+        var ownerHash = Base58.Decode(OwnerId!.Value);
+
+        Assert.NotNull(token);
+        Assert.NotEqual(Guid.Empty, token.Id);
+        Assert.Equal(33, token.SessionKey.Length);
+    }
+
+    [Fact]
+    public async void CreateObjectWithSessionToken()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        await Cleanup(client);
+
+        var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["key1", "value1"]);
+
+        var containerId = await client.CreateContainerAsync(createContainerParam, default);
+
+        var bytes = GetRandomBytes(1024);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
+
+        var objectId = await client.PutObjectAsync(param, default).ConfigureAwait(true);
+
+        var @object = await client.GetObjectAsync(new PrmObjectGet(containerId, objectId), default)
+            .ConfigureAwait(true);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk().ConfigureAwait(true)) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(client).ConfigureAwait(true);
+    }
+
+    [Fact]
+    public async void FilterTest()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        await Cleanup(client);
+
+        var createContainerParam = new PrmContainerCreate(
+           new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+           lightWait);
+
+        var containerId = await client.CreateContainerAsync(createContainerParam, default);
+
+        var bytes = new byte[] { 1, 2, 3 };
+
+        var ParentHeader = new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular)
+        {
+            PayloadLength = 3
+        };
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")],
+                new FrostFsSplit()),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
+
+        var objectId = await client.PutObjectAsync(param, default);
+
+        var head = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId), default);
+
+        var ecdsaKey = keyString.LoadWif();
+
+        var networkInfo = await client.GetNetmapSnapshotAsync(default);
+
+        await CheckFilter(client, containerId, new FilterByContainerId(FrostFsMatchType.Equals, containerId));
+
+        await CheckFilter(client, containerId, new FilterByOwnerId(FrostFsMatchType.Equals, FrostFsOwner.FromKey(ecdsaKey)));
+
+        await CheckFilter(client, containerId, new FilterBySplitId(FrostFsMatchType.Equals, param.Header!.Split!.SplitId));
+
+        await CheckFilter(client, containerId, new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test"));
+
+        await CheckFilter(client, containerId, new FilterByObjectId(FrostFsMatchType.Equals, objectId));
+
+        await CheckFilter(client, containerId, new FilterByVersion(FrostFsMatchType.Equals, networkInfo.NodeInfoCollection[0].Version));
+
+        await CheckFilter(client, containerId, new FilterByEpoch(FrostFsMatchType.Equals, networkInfo.Epoch));
+
+        await CheckFilter(client, containerId, new FilterByPayloadLength(FrostFsMatchType.Equals, 3));
+
+        var checkSum = CheckSum.CreateCheckSum(bytes);
+
+        await CheckFilter(client, containerId, new FilterByPayloadHash(FrostFsMatchType.Equals, checkSum));
+
+        await CheckFilter(client, containerId, new FilterByPhysicallyStored());
+    }
+
+    private static async Task CheckFilter(IFrostFSClient client, FrostFsContainerId containerId, IObjectFilter filter)
+    {
+        var resultObjectsCount = 0;
+
+        PrmObjectSearch searchParam = new(containerId, null, [], filter);
+
+        await foreach (var objId in client.SearchObjectsAsync(searchParam, default))
+        {
+            resultObjectsCount++;
+            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objId), default);
+        }
+
+        Assert.True(0 < resultObjectsCount, $"Filter for {filter.Key} doesn't work");
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(3 * 1024 * 1024)]            // exactly one chunk size - 3MB
+    [InlineData(6 * 1024 * 1024 + 100)]
+    public async void SimpleScenarioTest(int objectSize)
+    {
+        bool callbackInvoked = false;
+
+        var options = GetClientOptions(keyString, url);
+
+        options.Value.Callback = new((cs) =>
+        {
+            callbackInvoked = true;
+            Assert.True(cs.ElapsedMicroSeconds > 0);
+        });
+
+        using var client = FrostFSClient.GetInstance(options);
+
+        await Cleanup(client);
+
+        var ctx = new CallContext(TimeSpan.FromSeconds(20));
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
+
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, ctx);
+
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
+        Assert.NotNull(container);
+        Assert.True(callbackInvoked);
+
+        var bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: createdContainer,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
+
+        var objectId = await client.PutObjectAsync(param, default);
+
+        var filter1 = new FilterByOwnerId(FrostFsMatchType.Equals, OwnerId!);
+        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(createdContainer, null, [], filter1), default))
+        {
+            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId, false), default);
+
+            var objHeader1 = await client.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId, true), default);
+
+        }
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(createdContainer, null, [], filter), default))
+        {
+            hasObject = true;
+
+            var res = await client.GetObjectHeadAsync(new PrmObjectHeadGet(createdContainer, objectId), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
+            Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes);
+            Assert.Equal("fileName", objHeader.Attributes.First().Key);
+            Assert.Equal("test", objHeader.Attributes.First().Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await client.GetObjectAsync(new PrmObjectGet(createdContainer, objectId), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(client);
+
+        await foreach (var _ in client.ListContainersAsync(default, default))
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Fact]
+    public async void PatchTest()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        await Cleanup(client);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
+
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, default);
+
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
+        Assert.NotNull(container);
+
+        var bytes = new byte[1024];
+        for (int i = 0; i < 1024; i++)
+        {
+            bytes[i] = 31;
+        }
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: createdContainer,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
+
+        var objectId = await client.PutObjectAsync(param, default);
+
+        var patch = new byte[16];
+        for (int i = 0; i < 16; i++)
+        {
+            patch[i] = 32;
+        }
+
+        var range = new FrostFsRange(8, (ulong)patch.Length);
+
+        var patchParams = new PrmObjectPatch(
+            new FrostFsAddress(createdContainer, objectId),
+            payload: new MemoryStream(patch),
+            maxChunkLength: 32,
+            range: range);
+
+        var newIbjId = await client.PatchObjectAsync(patchParams, default);
+
+        var @object = await client.GetObjectAsync(new PrmObjectGet(createdContainer, newIbjId), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        for (int i = 0; i < (int)range.Offset; i++)
+            Assert.Equal(downloadedBytes[i], bytes[i]);
+
+        var rangeEnd = range.Offset + range.Length;
+
+        for (int i = (int)range.Offset; i < (int)rangeEnd; i++)
+            Assert.Equal(downloadedBytes[i], patch[i - (int)range.Offset]);
+
+        for (int i = (int)rangeEnd; i < bytes.Length; i++)
+            Assert.Equal(downloadedBytes[i], bytes[i]);
+
+        await Cleanup(client);
+
+        await foreach (var _ in client.ListContainersAsync(default, default))
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Fact]
+    public async void RangeTest()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        await Cleanup(client);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
+
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, default);
+
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
+        Assert.NotNull(container);
+
+        var bytes = new byte[256];
+        for (int i = 0; i < 256; i++)
+        {
+            bytes[i] = (byte)i;
+        }
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: createdContainer,
+                type: FrostFsObjectType.Regular),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
+
+        var objectId = await client.PutObjectAsync(param, default);
+
+        var rangeParam = new PrmRangeGet(createdContainer, objectId, new FrostFsRange(100, 64));
+
+        var rangeReader = await client.GetRangeAsync(rangeParam, default);
+
+        var downloadedBytes = new byte[rangeParam.Range.Length];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await rangeReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes.AsSpan().Slice(100, 64)), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(client);
+
+        await foreach (var _ in client.ListContainersAsync(default, default))
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Fact]
+    public async void RangeHashTest()
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        await Cleanup(client);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams,
+            xheaders: ["testKey", "testValue"]);
+
+        var createdContainer = await client.CreateContainerAsync(createContainerParam, default);
+
+        var container = await client.GetContainerAsync(new PrmContainerGet(createdContainer), default);
+        Assert.NotNull(container);
+
+        var bytes = new byte[256];
+        for (int i = 0; i < 256; i++)
+        {
+            bytes[i] = (byte)i;
+        }
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: createdContainer,
+                type: FrostFsObjectType.Regular),
+            payload: new MemoryStream(bytes),
+            clientCut: false);
+
+        var objectId = await client.PutObjectAsync(param, default);
+
+        var rangeParam = new PrmRangeHashGet(createdContainer, objectId, [new FrostFsRange(100, 64)], bytes);
+
+        var hashes = await client.GetRangeHashAsync(rangeParam, default);
+
+        foreach (var hash in hashes)
+        {
+            var x = hash[..32].ToArray();
+        }
+
+        await Cleanup(client);
+
+        await foreach (var _ in client.ListContainersAsync(default, default))
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(3 * 1024 * 1024)]            // exactly one chunk size - 3MB
+    [InlineData(6 * 1024 * 1024 + 100)]
+    public async void SimpleScenarioWithSessionTest(int objectSize)
+    {
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+        //Callback = new((CallStatistics cs) => Assert.True(cs.ElapsedMicroSeconds > 0))
+        var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue), default);
+
+        await Cleanup(client);
+
+        var ctx = new CallContext(TimeSpan.FromSeconds(20));
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            PrmWait.DefaultParams);
+
+        var container = await client.CreateContainerAsync(createContainerParam, ctx);
+
+        var containerInfo = await client.GetContainerAsync(new PrmContainerGet(container), ctx);
+        Assert.NotNull(containerInfo);
+
+        var bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: container,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: false,
+            sessionToken: token);
+
+        var objectId = await client.PutObjectAsync(param, default);
+
+        var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        bool hasObject = false;
+        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(container, token, [], filter), default))
+        {
+            hasObject = true;
+
+            var res = await client.GetObjectHeadAsync(new PrmObjectHeadGet(container, objectId, false, token), default);
+
+            var objHeader = res.HeaderInfo;
+            Assert.NotNull(objHeader);
+            Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+            Assert.NotNull(objHeader.Attributes);
+            Assert.Single(objHeader.Attributes);
+            Assert.Equal("fileName", objHeader.Attributes.First().Key);
+            Assert.Equal("test", objHeader.Attributes.First().Value);
+        }
+
+        Assert.True(hasObject);
+
+        var @object = await client.GetObjectAsync(new PrmObjectGet(container, objectId, token), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await Cleanup(client);
+
+        await foreach (var _ in client.ListContainersAsync(default, default))
+        {
+            Assert.Fail("Containers exist");
+        }
+    }
+
+    [Theory]
+    [InlineData(1)]
+    [InlineData(64 * 1024 * 1024)]      // exactly 1 block size - 64MB
+    [InlineData(64 * 1024 * 1024 - 1)]
+    [InlineData(64 * 1024 * 1024 + 1)]
+    [InlineData(2 * 64 * 1024 * 1024 + 256)]
+    [InlineData(200)]
+    public async void ClientCutScenarioTest(int objectSize)
+    {
+
+        var options = GetClientOptions(keyString, url);
+        options.Value.Interceptors.Add(new CallbackInterceptor());
+
+        using var client = FrostFSClient.GetInstance(GetClientOptions(keyString, url));
+
+        await Cleanup(client);
+
+        var createContainerParam = new PrmContainerCreate(
+            new FrostFsContainerInfo(new FrostFsPlacementPolicy(true, new FrostFsReplica(1))),
+            lightWait);
+
+        var containerId = await client.CreateContainerAsync(createContainerParam, default);
+
+        var ctx = new CallContext(TimeSpan.FromSeconds(10));
+
+        var container = await client.GetContainerAsync(new PrmContainerGet(containerId), ctx);
+
+        Assert.NotNull(container);
+
+        byte[] bytes = GetRandomBytes(objectSize);
+
+        var param = new PrmObjectPut(
+            new FrostFsObjectHeader(
+                containerId: containerId,
+                type: FrostFsObjectType.Regular,
+                [new FrostFsAttributePair("fileName", "test")]),
+            payload: new MemoryStream(bytes),
+            clientCut: true);
+
+        var objectId = await client.PutObjectAsync(param, default);
+
+        //  var filter = new FilterByAttributePair(FrostFsMatchType.Equals, "fileName", "test");
+
+        //bool hasObject = false;
+        //await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(containerId, null, [], filter), default))
+        //{
+        //    hasObject = true;
+
+        //    var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId), default);
+        //    Assert.Equal((ulong)bytes.Length, objHeader.PayloadLength);
+        //    Assert.NotNull(objHeader.Attributes);
+        //    Assert.Single(objHeader.Attributes);
+        //    Assert.Equal("fileName", objHeader.Attributes[0].Key);
+        //    Assert.Equal("test", objHeader.Attributes[0].Value);
+        //}
+
+        //Assert.True(hasObject);
+
+
+        var filter1 = new FilterByOwnerId(FrostFsMatchType.Equals, OwnerId!);
+        await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(containerId, null, [], filter1), default))
+        {
+            var objHeader = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId, false), default);
+
+            var objHeader1 = await client.GetObjectHeadAsync(new PrmObjectHeadGet(containerId, objectId, true), default);
+
+        }
+
+        var @object = await client.GetObjectAsync(new PrmObjectGet(containerId, objectId), default);
+
+        var downloadedBytes = new byte[@object.Header.PayloadLength];
+        MemoryStream ms = new(downloadedBytes);
+
+        ReadOnlyMemory<byte>? chunk = null;
+        while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
+        {
+            ms.Write(chunk.Value.Span);
+        }
+
+        Assert.Equal(SHA256.HashData(bytes), SHA256.HashData(downloadedBytes));
+
+        await CheckFilter(client, containerId, new FilterByRootObject());
+
+        await Cleanup(client);
+
+        var deadline = DateTime.UtcNow.Add(TimeSpan.FromSeconds(5));
+
+        IAsyncEnumerator<FrostFsContainerId>? enumerator = null;
+        do
+        {
+            if (deadline <= DateTime.UtcNow)
+            {
+                Assert.Fail("Containers exist");
+                break;
+            }
+
+            enumerator = client.ListContainersAsync(default, default).GetAsyncEnumerator();
+            await Task.Delay(500);
+        }
+        while (await enumerator!.MoveNextAsync());
+    }
+
+    [Fact]
+    public async void NodeInfoCallbackAndInterceptorTest()
+    {
+        bool callbackInvoked = false;
+        bool intercepterInvoked = false;
+
+        var options = GetClientOptions(keyString, url);
+        options.Value.Callback = (cs) =>
+        {
+            callbackInvoked = true;
+            Assert.True(cs.ElapsedMicroSeconds > 0);
+        };
+
+        options.Value.Interceptors.Add(new CallbackInterceptor(s => intercepterInvoked = true));
+
+        using var client = FrostFSClient.GetInstance(options);
+
+        var result = await client.GetNodeInfoAsync(default);
+
+        Assert.True(callbackInvoked);
+        Assert.True(intercepterInvoked);
+
+        Assert.Equal(2, result.Version.Major);
+        Assert.Equal(13, result.Version.Minor);
+        Assert.Equal(NodeState.Online, result.State);
+        Assert.Equal(33, result.PublicKey.Length);
+        Assert.Single(result.Addresses);
+        Assert.Equal(9, result.Attributes.Count);
+    }
+
+    private static byte[] GetRandomBytes(int size)
+    {
+        Random rnd = new();
+        var bytes = new byte[size];
+        rnd.NextBytes(bytes);
+        return bytes;
+    }
+
+    private static IOptions<ClientSettings> GetClientOptions(string key, string url)
+    {
+        return Options.Create(new ClientSettings
+        {
+            Key = key,
+            Host = url
+        });
+    }
+
+
+    static async Task Cleanup(IFrostFSClient client)
+    {
+        await foreach (var cid in client.ListContainersAsync(default, default))
+        {
+            await client.DeleteContainerAsync(new PrmContainerDelete(cid, lightWait), default);
+        }
+    }
+}

src/FrostFS.SDK.Tests/Smoke/SmokeTestsBase.cs

@@ -3,7 +3,7 @@
 using FrostFS.SDK.Client;
 using FrostFS.SDK.Cryptography;
 
-namespace FrostFS.SDK.SmokeTests;
+namespace FrostFS.SDK.Tests.Smoke;
 
 public abstract class SmokeTestsBase
 {

src/FrostFS.SDK.Tests/Unit/ContainerTest.cs

@@ -6,7 +6,7 @@ using FrostFS.SDK.Cryptography;
 
 using Google.Protobuf;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 [SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 public class ContainerTest : ContainerTestsBase
@@ -14,9 +14,9 @@ public class ContainerTest : ContainerTestsBase
     [Fact]
     public async void CreateContainerTest()
     {
-        var param = new PrmContainerCreate(new FrostFsContainerInfo(Mocker.PlacementPolicy));
+        var param = new PrmContainerCreate(new FrostFsContainerInfo(Mocker.PlacementPolicy), PrmWait.DefaultParams);
 
-        var result = await GetClient().CreateContainerAsync(param);
+        var result = await GetClient().CreateContainerAsync(param, default);
 
         Assert.NotNull(result);
         Assert.NotNull(result.GetValue());
@@ -28,7 +28,7 @@ public class ContainerTest : ContainerTestsBase
     {
         var cid = new FrostFsContainerId(Base58.Encode(Mocker.ContainerGuid.ToBytes()));
 
-        var result = await GetClient().GetContainerAsync(new PrmContainerGet(cid));
+        var result = await GetClient().GetContainerAsync(new PrmContainerGet(cid), default);
 
         Assert.NotNull(result);
         Assert.Equal(Mocker.ContainerGuid, result.Nonce);
@@ -43,7 +43,7 @@ public class ContainerTest : ContainerTestsBase
         Mocker.ContainerIds.Add([0xbb]);
         Mocker.ContainerIds.Add([0xcc]);
 
-        var result = GetClient().ListContainersAsync();
+        var result = GetClient().ListContainersAsync(default, default);
 
         Assert.NotNull(result);
 
@@ -63,7 +63,7 @@ public class ContainerTest : ContainerTestsBase
         Mocker.ReturnContainerRemoved = true;
         var cid = new FrostFsContainerId(Base58.Encode(Mocker.ContainerGuid.ToBytes()));
 
-        await GetClient().DeleteContainerAsync(new PrmContainerDelete(cid));
+        await GetClient().DeleteContainerAsync(new PrmContainerDelete(cid, PrmWait.DefaultParams), default);
 
         Assert.Single(Mocker.Requests);
 

src/FrostFS.SDK.Tests/Unit/ContainerTestsBase.cs

@@ -2,7 +2,7 @@
 
 using Microsoft.Extensions.Options;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 public abstract class ContainerTestsBase
 {
@@ -19,7 +19,7 @@ public abstract class ContainerTestsBase
             Host = "http://localhost:8080"
         });
 
-        Mocker = new ContainerMocker(this.key)
+        Mocker = new ContainerMocker(key)
         {
             PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
             Version = new FrostFsVersion(2, 13),
@@ -32,9 +32,9 @@ public abstract class ContainerTestsBase
         return Client.FrostFSClient.GetTestInstance(
             Settings,
             null,
-            new NetworkMocker(this.key).GetMock().Object,
-            new SessionMocker(this.key).GetMock().Object,
+            new NetworkMocker(key).GetMock().Object,
+            new SessionMocker(key).GetMock().Object,
             Mocker.GetMock().Object,
-            new ObjectMocker(this.key).GetMock().Object);
+            new ObjectMocker(key).GetMock().Object);
     }
 }

src/FrostFS.SDK.Tests/Unit/NetworkTest.cs

@@ -5,7 +5,7 @@ using FrostFS.SDK.Client;
 
 using Google.Protobuf;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 [SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 public class NetworkTest : NetworkTestsBase
@@ -28,17 +28,13 @@ public class NetworkTest : NetworkTestsBase
         Mocker.Parameters.Add("HomomorphicHashingDisabled", [1]);
         Mocker.Parameters.Add("MaintenanceModeAllowed", [1]);
 
-        var param = useContext ?
-            new PrmNetworkSettings(new CallContext
-            {
-                CancellationToken = Mocker.CancellationTokenSource.Token,
-                Timeout = TimeSpan.FromSeconds(20)
-            })
-            : new PrmNetworkSettings();
+        var ctx = useContext
+            ? new CallContext(TimeSpan.FromSeconds(20), Mocker.CancellationTokenSource.Token)
+            : default;
 
         var validTimeoutFrom = DateTime.UtcNow.AddSeconds(20);
 
-        var result = await GetClient(DefaultSettings).GetNetworkSettingsAsync(param);
+        var result = await GetClient(DefaultSettings).GetNetworkSettingsAsync(ctx);
 
         var validTimeoutTo = DateTime.UtcNow.AddSeconds(20);
 
@@ -110,28 +106,13 @@ public class NetworkTest : NetworkTestsBase
 
         Mocker.NetmapSnapshotResponse = new NetmapSnapshotResponse { Body = body };
 
-        PrmNetmapSnapshot param = new();
-
-        if (useContext)
-        {
-            var ctx = new CallContext
-            {
-                CancellationToken = Mocker.CancellationTokenSource.Token,
-                Timeout = TimeSpan.FromSeconds(20)
-            };
-
-            param = new(ctx);
-            param.XHeaders.Add("headerKey1", "headerValue1");
-
-        }
-        else
-        {
-            param = new();
-        }
+        var ctx = useContext
+            ? new CallContext(TimeSpan.FromSeconds(20), Mocker.CancellationTokenSource.Token)
+            : default;
 
         var validTimeoutFrom = DateTime.UtcNow.AddSeconds(20);
 
-        var result = await GetClient(DefaultSettings).GetNetmapSnapshotAsync(param);
+        var result = await GetClient(DefaultSettings).GetNetmapSnapshotAsync(ctx);
 
         var validTimeoutTo = DateTime.UtcNow.AddSeconds(20);
 
@@ -166,13 +147,10 @@ public class NetworkTest : NetworkTestsBase
         if (useContext)
         {
             Assert.NotNull(Mocker.NetmapSnapshotRequest);
-            Assert.Single(Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders);
-            Assert.Equal(param.XHeaders.Keys[0], Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders.First().Key);
-            Assert.Equal(param.XHeaders[param.XHeaders.Keys[0]], Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders.First().Value);
+            Assert.Empty(Mocker.NetmapSnapshotRequest.MetaHeader.XHeaders);
 
             Assert.Equal(Mocker.CancellationTokenSource.Token, Mocker.CancellationToken);
             Assert.NotNull(Mocker.DateTime);
-
             Assert.True(Mocker.DateTime.Value >= validTimeoutFrom);
             Assert.True(Mocker.DateTime.Value <= validTimeoutTo);
         }
@@ -206,28 +184,13 @@ public class NetworkTest : NetworkTestsBase
 
         Mocker.NodeInfoResponse = new LocalNodeInfoResponse { Body = body };
 
-        PrmNodeInfo param;
-
-        if (useContext)
-        {
-            var ctx = new CallContext
-            {
-                CancellationToken = Mocker.CancellationTokenSource.Token,
-                Timeout = TimeSpan.FromSeconds(20)
-            };
-
-            param = new(ctx);
-            param.XHeaders.Add("headerKey1", "headerValue1");
-
-        }
-        else
-        {
-            param = new();
-        }
+        var ctx = useContext
+            ? new CallContext(TimeSpan.FromSeconds(20), Mocker.CancellationTokenSource.Token)
+            : default;
 
         var validTimeoutFrom = DateTime.UtcNow.AddSeconds(20);
 
-        var result = await GetClient(DefaultSettings).GetNodeInfoAsync(param);
+        var result = await GetClient(DefaultSettings).GetNodeInfoAsync(ctx);
 
         var validTimeoutTo = DateTime.UtcNow.AddSeconds(20);
 
@@ -246,10 +209,7 @@ public class NetworkTest : NetworkTestsBase
         Assert.NotNull(Mocker.LocalNodeInfoRequest);
         if (useContext)
         {
-            Assert.Single(Mocker.LocalNodeInfoRequest.MetaHeader.XHeaders);
-            Assert.Equal(param.XHeaders.Keys[0], Mocker.LocalNodeInfoRequest.MetaHeader.XHeaders.First().Key);
-            Assert.Equal(param.XHeaders[param.XHeaders.Keys[0]], Mocker.LocalNodeInfoRequest.MetaHeader.XHeaders.First().Value);
-
+            Assert.Empty(Mocker.LocalNodeInfoRequest.MetaHeader.XHeaders);
             Assert.Equal(Mocker.CancellationTokenSource.Token, Mocker.CancellationToken);
             Assert.NotNull(Mocker.DateTime);
 

src/FrostFS.SDK.Tests/Unit/NetworkTestsBase.cs

@@ -4,7 +4,7 @@ using FrostFS.SDK.Client.Interfaces;
 
 using Microsoft.Extensions.Options;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 [SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 public abstract class NetworkTestsBase
@@ -25,7 +25,7 @@ public abstract class NetworkTestsBase
             Host = "http://localhost:8080",
         };
 
-        Mocker = new NetworkMocker(this.key);
+        Mocker = new NetworkMocker(key);
     }
 
     protected IFrostFSClient GetClient(ClientSettings settings)
@@ -34,8 +34,8 @@ public abstract class NetworkTestsBase
             Options.Create(settings),
             null,
             Mocker.GetMock().Object,
-            new SessionMocker(this.key).GetMock().Object,
-            new ContainerMocker(this.key).GetMock().Object,
-            new ObjectMocker(this.key).GetMock().Object);
+            new SessionMocker(key).GetMock().Object,
+            new ContainerMocker(key).GetMock().Object,
+            new ObjectMocker(key).GetMock().Object);
     }
 }

src/FrostFS.SDK.Tests/Unit/ObjectTest.cs

@@ -9,34 +9,12 @@ using FrostFS.SDK.Client.Mappers.GRPC;
 
 using Google.Protobuf;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 [SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 [SuppressMessage("Security", "CA5394:Do not use insecure randomness", Justification = "No secure purpose")]
 public class ObjectTest : ObjectTestsBase
 {
-    [Fact]
-    public async void GetObjectTest()
-    {
-        var client = GetClient();
-
-        var objectId = client.CalculateObjectId(Mocker.ObjectHeader!);
-
-        var result = await client.GetObjectAsync(new PrmObjectGet(ContainerId, objectId));
-
-        Assert.NotNull(result);
-
-        Assert.NotNull(Mocker.ObjectHeader);
-
-        Assert.Equal(Mocker.ObjectHeader.ContainerId.GetValue(), result.Header.ContainerId.GetValue());
-        Assert.Equal(Mocker.ObjectHeader.OwnerId!.Value, result.Header.OwnerId!.Value);
-        Assert.Equal(Mocker.ObjectHeader.PayloadLength, result.Header.PayloadLength);
-        Assert.NotNull(result.Header.Attributes);
-        Assert.Single(result.Header.Attributes);
-        Assert.Equal(Mocker.ObjectHeader.Attributes![0].Key, result.Header.Attributes[0].Key);
-        Assert.Equal(Mocker.ObjectHeader.Attributes![0].Value, result.Header.Attributes[0].Value);
-    }
-
     [Fact]
     public async void PutObjectTest()
     {
@@ -46,14 +24,12 @@ public class ObjectTest : ObjectTestsBase
         var bytes = new byte[1024];
         rnd.NextBytes(bytes);
 
-        var param = new PrmObjectPut
-        {
-            Header = Mocker.ObjectHeader,
-            Payload = new MemoryStream(bytes),
-            ClientCut = false
-        };
+        var param = new PrmObjectPut(
+            Mocker.ObjectHeader,
+            payload: new MemoryStream(bytes),
+            clientCut: false);
 
-        var result = await GetClient().PutObjectAsync(param);
+        var result = await GetClient().PutObjectAsync(param, default);
 
         var sentMessages = Mocker.ClientStreamWriter!.Messages;
 
@@ -81,13 +57,11 @@ public class ObjectTest : ObjectTestsBase
         byte[] bytes = File.ReadAllBytes(@".\..\..\..\cat.jpg");
         var fileLength = bytes.Length;
 
-        var param = new PrmObjectPut
-        {
-            Header = Mocker.ObjectHeader,
-            Payload = new MemoryStream(bytes),
-            BufferMaxSize = 1024,
-            ClientCut = true
-        };
+        var param = new PrmObjectPut(
+            Mocker.ObjectHeader,
+            payload: new MemoryStream(bytes),
+            bufferMaxSize: 1024,
+            clientCut: true);
 
         Random rnd = new();
 
@@ -99,7 +73,7 @@ public class ObjectTest : ObjectTestsBase
         foreach (var objId in objIds)
             Mocker.ResultObjectIds!.Add(objId);
 
-        var result = await GetClient().PutObjectAsync(param);
+        var result = await GetClient().PutObjectAsync(param, default);
 
         var singleObjects = Mocker.PutSingleRequests.ToArray();
 
@@ -151,7 +125,7 @@ public class ObjectTest : ObjectTestsBase
         Assert.NotNull(header3.Split.ParentHeader);
         Assert.NotNull(header3.Split.ParentSignature);
         Assert.Equal(header2.Split.SplitId, header3.Split.SplitId);
-        Assert.Equal(bytes[((fileLength / blockSize) * blockSize)..fileLength], payload3);
+        Assert.Equal(bytes[(fileLength / blockSize * blockSize)..fileLength], payload3);
         Assert.True(header3.Attributes.Count == 0);
 
         //link object
@@ -175,7 +149,7 @@ public class ObjectTest : ObjectTestsBase
     {
         Mocker.ObjectId = new ObjectID { Value = ByteString.CopyFrom(SHA256.HashData(Encoding.UTF8.GetBytes("test"))) }.ToModel();
 
-        await GetClient().DeleteObjectAsync(new PrmObjectDelete(ContainerId, Mocker.ObjectId));
+        await GetClient().DeleteObjectAsync(new PrmObjectDelete(ContainerId, Mocker.ObjectId), default);
 
         var request = Mocker.DeleteRequests.FirstOrDefault();
         Assert.NotNull(request);
@@ -188,30 +162,33 @@ public class ObjectTest : ObjectTestsBase
     {
         Mocker.ObjectId = new ObjectID { Value = ByteString.CopyFrom(SHA256.HashData(Encoding.UTF8.GetBytes("test"))) }.ToModel();
 
-        var response = await GetClient().GetObjectHeadAsync(new PrmObjectHeadGet(ContainerId, Mocker.ObjectId));
+        var res = await GetClient().GetObjectHeadAsync(new PrmObjectHeadGet(ContainerId, Mocker.ObjectId), default);
+
+        var objHeader = res.HeaderInfo;
+        Assert.NotNull(objHeader);
 
         var request = Mocker.HeadRequests.FirstOrDefault();
         Assert.NotNull(request);
         Assert.Equal(ContainerId.ToMessage(), request.Body.Address.ContainerId);
         Assert.Equal(Mocker.ObjectId.ToMessage(), request.Body.Address.ObjectId);
 
-        Assert.NotNull(response);
-        Assert.Equal(ContainerId.GetValue(), response.ContainerId.GetValue());
+        Assert.NotNull(objHeader);
+        Assert.Equal(ContainerId.GetValue(), objHeader.ContainerId.GetValue());
 
-        Assert.Equal(Mocker.ObjectHeader!.OwnerId!.Value, response.OwnerId!.Value);
-        Assert.Equal(Mocker.ObjectHeader!.Version!.ToString(), response.Version!.ToString());
+        Assert.Equal(Mocker.ObjectHeader!.OwnerId!.Value, objHeader.OwnerId!.Value);
+        Assert.Equal(Mocker.ObjectHeader!.Version!.ToString(), objHeader.Version!.ToString());
 
-        Assert.Equal(Mocker.HeadResponse!.PayloadLength, response.PayloadLength);
+        Assert.Equal(Mocker.HeadResponse!.PayloadLength, objHeader.PayloadLength);
 
-        Assert.Equal(FrostFsObjectType.Regular, response.ObjectType);
+        Assert.Equal(FrostFsObjectType.Regular, objHeader.ObjectType);
 
-        Assert.NotNull(response.Attributes);
-        Assert.Single(response.Attributes);
+        Assert.NotNull(objHeader.Attributes);
+        Assert.Single(objHeader.Attributes);
 
-        Assert.Equal(Mocker.HeadResponse.Attributes[0].Key, response.Attributes.First().Key);
-        Assert.Equal(Mocker.HeadResponse.Attributes[0].Value, response.Attributes.First().Value);
+        Assert.Equal(Mocker.HeadResponse.Attributes[0].Key, objHeader.Attributes.First().Key);
+        Assert.Equal(Mocker.HeadResponse.Attributes[0].Value, objHeader.Attributes.First().Value);
 
-        Assert.Null(response.Split);
+        Assert.Null(objHeader.Split);
     }
 
     [Fact]
@@ -229,7 +206,7 @@ public class ObjectTest : ObjectTestsBase
 
         var param = new PrmRangeGet(ContainerId, Mocker.ObjectId, new FrostFsRange(100, (ulong)Mocker.RangeResponse.Length));
 
-        var result = await GetClient().GetRangeAsync(param);
+        var result = await GetClient().GetRangeAsync(param, default);
 
         Assert.NotNull(Mocker.GetRangeRequest);
 
@@ -271,7 +248,7 @@ public class ObjectTest : ObjectTestsBase
 
         var param = new PrmRangeHashGet(ContainerId, Mocker.ObjectId, [new FrostFsRange(100, len)], salt);
 
-        var result = await GetClient().GetRangeHashAsync(param);
+        var result = await GetClient().GetRangeHashAsync(param, default);
 
         Assert.NotNull(Mocker.GetRangeHashRequest);
 
@@ -299,14 +276,13 @@ public class ObjectTest : ObjectTestsBase
 
         var range = new FrostFsRange(8, (ulong)patch.Length);
 
-        var param = new PrmObjectPatch(address)
-        {
-            Payload = new MemoryStream(patch),
-            MaxPayloadPatchChunkLength = 32,
-            Range = range
-        };
+        var param = new PrmObjectPatch(
+            address,
+            payload: new MemoryStream(patch),
+            maxChunkLength: 32,
+            range: range);
 
-        var result = await GetClient().PatchObjectAsync(param);
+        var result = await GetClient().PatchObjectAsync(param, default);
 
         Assert.NotNull(result);
 

src/FrostFS.SDK.Tests/Unit/ObjectTestsBase.cs

@@ -4,7 +4,7 @@ using FrostFS.SDK.Cryptography;
 
 using Microsoft.Extensions.Options;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 public abstract class ObjectTestsBase
 {

src/FrostFS.SDK.Tests/Unit/SessionTests.cs

@@ -4,7 +4,7 @@ using FrostFS.SDK.Client;
 using FrostFS.SDK.Client.Mappers.GRPC;
 using FrostFS.SDK.Cryptography;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 [SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
 public class SessionTest : SessionTestsBase
@@ -17,26 +17,21 @@ public class SessionTest : SessionTestsBase
         var exp = 100u;
         PrmSessionCreate param;
 
+        CallContext ctx;
         if (useContext)
         {
-            var ctx = new CallContext
-            {
-                CancellationToken = Mocker.CancellationTokenSource.Token,
-                Timeout = TimeSpan.FromSeconds(20)
-            };
-
-            param = new PrmSessionCreate(exp, ctx);
-
-            param.XHeaders.Add("headerKey1", "headerValue1");
+            ctx = new CallContext(TimeSpan.FromSeconds(20), Mocker.CancellationTokenSource.Token);
+            param = new PrmSessionCreate(exp, ["headerKey1", "headerValue1"]);
         }
         else
         {
+            ctx = default;
             param = new PrmSessionCreate(exp);
         }
 
         var validTimeoutFrom = DateTime.UtcNow.AddSeconds(20);
 
-        var result = await GetClient().CreateSessionAsync(param);
+        var result = await GetClient().CreateSessionAsync(param, ctx);
 
         var validTimeoutTo = DateTime.UtcNow.AddSeconds(20);
 
@@ -64,8 +59,8 @@ public class SessionTest : SessionTestsBase
         if (useContext)
         {
             Assert.Single(Mocker.CreateSessionRequest.MetaHeader.XHeaders);
-            Assert.Equal(param.XHeaders.Keys[0], Mocker.CreateSessionRequest.MetaHeader.XHeaders.First().Key);
-            Assert.Equal(param.XHeaders[param.XHeaders.Keys[0]], Mocker.CreateSessionRequest.MetaHeader.XHeaders.First().Value);
+            Assert.Equal(param.XHeaders[0], Mocker.CreateSessionRequest.MetaHeader.XHeaders.First().Key);
+            Assert.Equal(param.XHeaders[1], Mocker.CreateSessionRequest.MetaHeader.XHeaders.First().Value);
 
             Assert.Equal(Mocker.CancellationTokenSource.Token, Mocker.CancellationToken);
             Assert.NotNull(Mocker.DateTime);

src/FrostFS.SDK.Tests/Unit/SessionTestsBase.cs

@@ -5,7 +5,7 @@ using FrostFS.SDK.Cryptography;
 
 using Microsoft.Extensions.Options;
 
-namespace FrostFS.SDK.Tests;
+namespace FrostFS.SDK.Tests.Unit;
 
 public abstract class SessionTestsBase
 {
@@ -28,7 +28,7 @@ public abstract class SessionTestsBase
         ECDsaKey = key.LoadWif();
         OwnerId = FrostFsOwner.FromKey(ECDsaKey);
 
-        Mocker = new SessionMocker(this.key)
+        Mocker = new SessionMocker(key)
         {
             PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
             Version = new FrostFsVersion(2, 13)
@@ -40,9 +40,9 @@ public abstract class SessionTestsBase
         return Client.FrostFSClient.GetTestInstance(
             Settings,
             null,
-            new NetworkMocker(this.key).GetMock().Object,
+            new NetworkMocker(key).GetMock().Object,
             Mocker.GetMock().Object,
-            new ContainerMocker(this.key).GetMock().Object,
-            new ObjectMocker(this.key).GetMock().Object);
+            new ContainerMocker(key).GetMock().Object,
+            new ObjectMocker(key).GetMock().Object);
     }
 }