optimizations

src/FrostFS.SDK.ClientV2/Cache.cs

@@ -1,6 +1,4 @@
-
+using Microsoft.Extensions.Caching.Memory;
-
-using Microsoft.Extensions.Caching.Memory;
 
 namespace FrostFS.SDK.ClientV2
 {

src/FrostFS.SDK.ClientV2/Client.cs

@@ -1,21 +1,21 @@
-using FrostFS.Container;
+using System;
+using System.Collections.Generic;
+using System.Net.Http;
+using System.Threading.Tasks;
+
+using FrostFS.Container;
 using FrostFS.Netmap;
 using FrostFS.Object;
 using FrostFS.SDK.ClientV2.Interfaces;
 using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
-using FrostFS.SDK.ModelsV2.Netmap;
 using FrostFS.Session;
+
 using Grpc.Core;
 using Grpc.Core.Interceptors;
 using Grpc.Net.Client;
+
 using Microsoft.Extensions.Options;
-using System;
-using System.Collections.Generic;
-using System.Net.Http;
-using System.Threading.Tasks;
-using Version = FrostFS.SDK.ModelsV2.Version;
 
 namespace FrostFS.SDK.ClientV2;
 
@@ -77,7 +77,7 @@ public class Client : IFrostFSClient
            key: ecdsaKey,
            owner: OwnerId.FromKey(ecdsaKey),
            channel: InitGrpcChannel(settings.Value.Host, channelOptions),
-           version: new Version(2, 13));
+           version: new FrostFsVersion(2, 13));
 
         ContainerServiceClient = containerService;
         NetmapServiceClient = netmapService;
@@ -98,7 +98,7 @@ public class Client : IFrostFSClient
             key: null,
             owner: null,
             channel: channel,
-            version: new Version(2, 13));
+            version: new FrostFsVersion(2, 13));
 
         // TODO: define timeout logic
         // CheckFrostFsVersionSupport(new Context { Timeout = TimeSpan.FromSeconds(20) });
@@ -119,7 +119,7 @@ public class Client : IFrostFSClient
             key: ecdsaKey,
             owner: OwnerId.FromKey(ecdsaKey),
             channel: channel,
-            version: new Version(2, 13));
+            version: new FrostFsVersion(2, 13));
 
         // TODO: define timeout logic
         CheckFrostFsVersionSupport(new Context { Timeout = TimeSpan.FromSeconds(20)});
@@ -135,13 +135,13 @@ public class Client : IFrostFSClient
     {
         if (disposing && !isDisposed)
         {
-            ClientCtx.Dispose();
+            ClientCtx?.Dispose();
             isDisposed = true;
         }
     }
 
     #region ContainerImplementation
-    public Task<ModelsV2.Container> GetContainerAsync(PrmContainerGet args)
+    public Task<FrostFsContainer> GetContainerAsync(PrmContainerGet args)
     {
         var service = GetContainerService(args);
         return service.GetContainerAsync(args);
@@ -175,7 +175,7 @@ public class Client : IFrostFSClient
         return service.GetNetmapSnapshotAsync(args);
     }
 
-    public Task<ModelsV2.Netmap.NodeInfo> GetNodeInfoAsync(PrmNodeInfo? args)
+    public Task<FrostFsNodeInfo> GetNodeInfoAsync(PrmNodeInfo? args)
     {
         args ??= new PrmNodeInfo();
         var service = GetNetmapService(args);
@@ -229,12 +229,12 @@ public class Client : IFrostFSClient
     #endregion
 
     #region SessionImplementation
-    public async Task<ModelsV2.SessionToken> CreateSessionAsync(PrmSessionCreate args)
+    public async Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args)
     {
         var session = await CreateSessionInternalAsync(args);
         var token = session.Serialize();
         
-        return new ModelsV2.SessionToken(token);
+        return new FrostFsSessionToken(token);
     }
 
     internal Task<Session.SessionToken> CreateSessionInternalAsync(PrmSessionCreate args)

src/FrostFS.SDK.ClientV2/CllientKey.cs

@@ -1,6 +1,8 @@
-using FrostFS.SDK.Cryptography;
+using System.Security.Cryptography;
+
+using FrostFS.SDK.Cryptography;
+
 using Google.Protobuf;
-using System.Security.Cryptography;
 
 namespace FrostFS.SDK.ClientV2
 {

src/FrostFS.SDK.ClientV2/Exceptions/ResponseException.cs

@@ -1,9 +1,8 @@
-using FrostFS.SDK.ModelsV2;
 using System;
 
 namespace FrostFS.SDK.ClientV2;
 
-public class ResponseException(ResponseStatus status) : Exception()
+public class ResponseException(FrostFsResponseStatus status) : Exception()
 {
-    public ResponseStatus Status { get; set; } = status;
+    public FrostFsResponseStatus Status { get; set; } = status;
 }

src/FrostFS.SDK.ClientV2/Interceptors/MetricsInterceptor.cs

@@ -1,7 +1,7 @@
 using System;
 using System.Diagnostics;
 using System.Threading.Tasks;
-using FrostFS.SDK.ModelsV2;
+
 using Grpc.Core;
 using Grpc.Core.Interceptors;
 

src/FrostFS.SDK.ClientV2/Interfaces/IFrostFSClient.cs

@@ -1,9 +1,8 @@
 using System;
 using System.Collections.Generic;
 using System.Threading.Tasks;
+
 using FrostFS.SDK.ClientV2.Parameters;
-using FrostFS.SDK.ModelsV2;
-using FrostFS.SDK.ModelsV2.Netmap;
 namespace FrostFS.SDK.ClientV2.Interfaces;
 
 public interface IFrostFSClient : IDisposable
@@ -11,17 +10,17 @@ public interface IFrostFSClient : IDisposable
     #region Network
     Task<NetmapSnapshot> GetNetmapSnapshotAsync(PrmNetmapSnapshot? args = null);
 
-    Task<NodeInfo> GetNodeInfoAsync(PrmNodeInfo? args = null);
+    Task<FrostFsNodeInfo> GetNodeInfoAsync(PrmNodeInfo? args = null);
 
     Task<NetworkSettings> GetNetworkSettingsAsync(PrmNetworkSettings? args = null);
     #endregion
 
     #region Session
-    Task<SessionToken> CreateSessionAsync(PrmSessionCreate args);
+    Task<FrostFsSessionToken> CreateSessionAsync(PrmSessionCreate args);
     #endregion
 
     #region Container
-    Task<ModelsV2.Container> GetContainerAsync(PrmContainerGet args);
+    Task<FrostFsContainer> GetContainerAsync(PrmContainerGet args);
 
     IAsyncEnumerable<ContainerId> ListContainersAsync(PrmContainerGetAll? args = null);
 
@@ -35,7 +34,7 @@ public interface IFrostFSClient : IDisposable
 
     Task<FrostFsObject> GetObjectAsync(PrmObjectGet args);
 
-    Task<ObjectId> PutObjectAsync(PrmObjectPut putObjectParameters);
+    Task<ObjectId> PutObjectAsync(PrmObjectPut args);
     
     Task<ObjectId> PutSingleObjectAsync(PrmSingleObjectPut args);
 

src/FrostFS.SDK.ClientV2/Mappers/Container.cs

@@ -1,16 +1,15 @@
 using System;
 
-using Google.Protobuf;
-
 using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2.Enums;
+
+using Google.Protobuf;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
 public static class ContainerMapper
 {
-    public static Container.Container ToMessage(this ModelsV2.Container container)
+    public static Container.Container ToMessage(this FrostFsContainer container)
     {
         return new Container.Container
         {
@@ -20,14 +19,14 @@ public static class ContainerMapper
         };
     }
 
-    public static ModelsV2.Container ToModel(this Container.Container container)
+    public static FrostFsContainer ToModel(this Container.Container container)
     {
         if (!Enum.IsDefined(typeof(BasicAcl),(int)container.BasicAcl))
             throw new ArgumentException($"Unknown BasicACL rule. Value: '{container.BasicAcl}'.");
         
         BasicAcl acl = (BasicAcl)container.BasicAcl;
 
-        return new ModelsV2.Container(acl, container.PlacementPolicy.ToModel())
+        return new FrostFsContainer(acl, container.PlacementPolicy.ToModel())
         {
             Nonce = container.Nonce.ToUuid(),
             Version = container.Version.ToModel()

src/FrostFS.SDK.ClientV2/Mappers/ContainerId.cs

@@ -1,9 +1,11 @@
+using System;
+
 using FrostFS.Refs;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
+
 using Google.Protobuf;
+
 using Microsoft.Extensions.Caching.Memory;
-using System;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 

src/FrostFS.SDK.ClientV2/Mappers/MetaHeader.cs

@@ -1,4 +1,3 @@
-using FrostFS.SDK.ModelsV2;
 using FrostFS.Session;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;

src/FrostFS.SDK.ClientV2/Mappers/Netmap/Netmap.cs

@@ -1,6 +1,6 @@
 using System.Linq;
+
 using FrostFS.Netmap;
-using FrostFS.SDK.ModelsV2.Netmap;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 

src/FrostFS.SDK.ClientV2/Mappers/Netmap/NodeInfo.cs

@@ -1,30 +1,29 @@
 using System;
 using System.Linq;
+
 using FrostFS.Netmap;
-using FrostFS.SDK.ModelsV2.Enums;
-using NodeInfo = FrostFS.SDK.ModelsV2.Netmap.NodeInfo;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 
 public static class NodeInfoMapper
 {
-    public static NodeInfo ToModel(this LocalNodeInfoResponse.Types.Body node)
+    public static FrostFsNodeInfo ToModel(this LocalNodeInfoResponse.Types.Body node)
     {
         return node.NodeInfo.ToModel(node.Version);
     }
 
-    public static NodeInfo ToModel(this FrostFS.Netmap.NodeInfo nodeInfo, Refs.Version version)
+    public static FrostFsNodeInfo ToModel(this NodeInfo nodeInfo, Refs.Version version)
     {
         NodeState state = nodeInfo.State switch
         {
-            FrostFS.Netmap.NodeInfo.Types.State.Unspecified => NodeState.Unspecified,
+            NodeInfo.Types.State.Unspecified => NodeState.Unspecified,
-            FrostFS.Netmap.NodeInfo.Types.State.Online => NodeState.Online,
+            NodeInfo.Types.State.Online => NodeState.Online,
-            FrostFS.Netmap.NodeInfo.Types.State.Offline => NodeState.Offline,
+            NodeInfo.Types.State.Offline => NodeState.Offline,
-            FrostFS.Netmap.NodeInfo.Types.State.Maintenance => NodeState.Maintenance,
+            NodeInfo.Types.State.Maintenance => NodeState.Maintenance,
             _ => throw new ArgumentException($"Unknown NodeState. Value: '{nodeInfo.State}'.")
         };
 
-        return new NodeInfo(
+        return new FrostFsNodeInfo(
             version: version.ToModel(),
             state: state,
             addresses: [.. nodeInfo.Addresses],

src/FrostFS.SDK.ClientV2/Mappers/Netmap/PlacementPolicy.cs

@@ -1,11 +1,12 @@
 using System.Linq;
+
 using FrostFS.Netmap;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 
 public static class PlacementPolicyMapper
 {
-    public static PlacementPolicy ToMessage(this ModelsV2.Netmap.PlacementPolicy placementPolicy)
+    public static PlacementPolicy ToMessage(this FrostFsPlacementPolicy placementPolicy)
     {
         var pp = new PlacementPolicy
         {
@@ -23,9 +24,9 @@ public static class PlacementPolicyMapper
         return pp;
     }
 
-    public static ModelsV2.Netmap.PlacementPolicy ToModel(this PlacementPolicy placementPolicy)
+    public static FrostFsPlacementPolicy ToModel(this PlacementPolicy placementPolicy)
     {
-        return new ModelsV2.Netmap.PlacementPolicy(
+        return new FrostFsPlacementPolicy(
             placementPolicy.Unique,
             placementPolicy.Replicas.Select(replica => replica.ToModel()).ToArray()
         );

src/FrostFS.SDK.ClientV2/Mappers/Netmap/Replica.cs

@@ -4,7 +4,7 @@ namespace FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 
 public static class ReplicaMapper
 {
-    public static Replica ToMessage(this ModelsV2.Netmap.Replica replica)
+    public static Replica ToMessage(this FrostFsReplica replica)
     {
         return new Replica
         {
@@ -13,8 +13,8 @@ public static class ReplicaMapper
         };
     }
 
-    public static ModelsV2.Netmap.Replica ToModel(this Replica replica)
+    public static FrostFsReplica ToModel(this Replica replica)
     {
-        return new ModelsV2.Netmap.Replica((int)replica.Count, replica.Selector);
+        return new FrostFsReplica((int)replica.Count, replica.Selector);
     }
 }

src/FrostFS.SDK.ClientV2/Mappers/Object/Object.cs

@@ -1,5 +1,3 @@
-using FrostFS.SDK.ModelsV2;
-
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
 internal static class ObjectMapper

src/FrostFS.SDK.ClientV2/Mappers/Object/ObjectAttributeMapper.cs

@@ -1,5 +1,4 @@
 using FrostFS.Object;
-using FrostFS.SDK.ModelsV2;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 

src/FrostFS.SDK.ClientV2/Mappers/Object/ObjectFilterMapper.cs

@@ -1,7 +1,6 @@
 using System;
+
 using FrostFS.Object;
-using FrostFS.SDK.ModelsV2;
-using MatchType = FrostFS.Object.MatchType;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
@@ -11,11 +10,11 @@ public static class ObjectFilterMapper
     {
         var objMatchTypeName = filter.MatchType switch
         {
-            ModelsV2.Enums.ObjectMatchType.Unspecified => MatchType.Unspecified,
+            FrostFsObjectMatchType.Unspecified => MatchType.Unspecified,
-            ModelsV2.Enums.ObjectMatchType.Equals => MatchType.StringEqual,
+            FrostFsObjectMatchType.Equals => MatchType.StringEqual,
-            ModelsV2.Enums.ObjectMatchType.NotEquals => MatchType.StringNotEqual,
+            FrostFsObjectMatchType.NotEquals => MatchType.StringNotEqual,
-            ModelsV2.Enums.ObjectMatchType.KeyAbsent => MatchType.NotPresent,
+            FrostFsObjectMatchType.KeyAbsent => MatchType.NotPresent,
-            ModelsV2.Enums.ObjectMatchType.StartsWith => MatchType.CommonPrefix,
+            FrostFsObjectMatchType.StartsWith => MatchType.CommonPrefix,
 
             _ => throw new ArgumentException($"Unknown MatchType. Value: '{filter.MatchType}'.")
         };

src/FrostFS.SDK.ClientV2/Mappers/Object/ObjectHeaderMapper.cs

@@ -1,10 +1,8 @@
 using System;
 using System.Linq;
+
 using FrostFS.Object;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
-using Google.Protobuf;
-using ObjectType = FrostFS.Object.ObjectType;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
@@ -14,9 +12,9 @@ public static class ObjectHeaderMapper
     {
         var objTypeName = header.ObjectType switch
         {
-            ModelsV2.Enums.ObjectType.Regular => ObjectType.Regular,
+            FrostFsObjectType.Regular => ObjectType.Regular,
-            ModelsV2.Enums.ObjectType.Lock => ObjectType.Lock,
+            FrostFsObjectType.Lock => ObjectType.Lock,
-            ModelsV2.Enums.ObjectType.Tombstone => ObjectType.Tombstone,
+            FrostFsObjectType.Tombstone => ObjectType.Tombstone,
             _ => throw new ArgumentException($"Unknown ObjectType. Value: '{header.ObjectType}'.")
         };
 
@@ -39,7 +37,7 @@ public static class ObjectHeaderMapper
         {
             head.Split = new Header.Types.Split
             {
-                SplitId = split.SplitId != null ? ByteString.CopyFrom(split.SplitId.ToBinary()) : null
+                SplitId = split!.SplitId != null ? split.SplitId.GetMessage() : null
             };
         }
 
@@ -50,9 +48,9 @@ public static class ObjectHeaderMapper
     {
         var objTypeName = header.ObjectType switch
         {
-            ObjectType.Regular => ModelsV2.Enums.ObjectType.Regular,
+            ObjectType.Regular => FrostFsObjectType.Regular,
-            ObjectType.Lock => ModelsV2.Enums.ObjectType.Lock,
+            ObjectType.Lock => FrostFsObjectType.Lock,
-            ObjectType.Tombstone => ModelsV2.Enums.ObjectType.Tombstone,
+            ObjectType.Tombstone => FrostFsObjectType.Tombstone,
             _ => throw new ArgumentException($"Unknown ObjectType. Value: '{header.ObjectType}'.")
         };
 

src/FrostFS.SDK.ClientV2/Mappers/Object/ObjectId.cs

@@ -1,5 +1,5 @@
 using FrostFS.Refs;
-using FrostFS.SDK.ModelsV2;
+
 using Google.Protobuf;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;

src/FrostFS.SDK.ClientV2/Mappers/OwnerId.cs

@@ -1,9 +1,11 @@
+using System;
+
 using FrostFS.Refs;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
+
 using Google.Protobuf;
+
 using Microsoft.Extensions.Caching.Memory;
-using System;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 

src/FrostFS.SDK.ClientV2/Mappers/SignatureMapper.cs

@@ -1,12 +1,12 @@
 using System;
-using FrostFS.SDK.ModelsV2;
+
 using Google.Protobuf;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
 public static class SignatureMapper
 {
-    public static Refs.Signature ToMessage(this Signature signature)
+    public static Refs.Signature ToMessage(this FrostFsSignature signature)
     {
         var scheme = signature.Scheme switch
         {

src/FrostFS.SDK.ClientV2/Mappers/Status.cs

@@ -1,19 +1,18 @@
 using System;
-using FrostFS.SDK.ModelsV2.Enums;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
 public static class StatusMapper
 {
-    public static ModelsV2.ResponseStatus ToModel(this Status.Status status)
+    public static FrostFsResponseStatus ToModel(this Status.Status status)
     {
         if (status is null) 
-            return new ModelsV2.ResponseStatus(StatusCode.Success);
+            return new FrostFsResponseStatus(FrostFsStatusCode.Success);
+
+        var codeName = Enum.GetName(typeof(FrostFsStatusCode), status.Code);
 
-        var codeName = Enum.GetName(typeof(StatusCode), status.Code);
-        
         return codeName is null
             ? throw new ArgumentException($"Unknown StatusCode. Value: '{status.Code}'.")
-            : new ModelsV2.ResponseStatus((StatusCode)Enum.Parse(typeof(StatusCode), codeName), status.Message);
+            : new FrostFsResponseStatus((FrostFsStatusCode)status.Code, status.Message);
     }
 }

src/FrostFS.SDK.ClientV2/Mappers/Version.cs

@@ -1,6 +1,7 @@
 using System.Collections;
 using System.Threading;
-using Version = FrostFS.Refs.Version;
+
+using FrostFS.Refs;
 
 namespace FrostFS.SDK.ClientV2.Mappers.GRPC;
 
@@ -10,7 +11,7 @@ public static class VersionMapper
     private static readonly Hashtable _cacheModels = [];
     private static SpinLock _spinlock = new();
 
-    public static Version ToMessage(this ModelsV2.Version model)
+    public static Version ToMessage(this FrostFsVersion model)
     {
         var key = model.Major << 16 + model.Minor;
 
@@ -31,7 +32,7 @@ public static class VersionMapper
             }
             catch (System.ArgumentException)
             {
-                // ignore attempt to add duplicate error.
+                // ignore attempt to add duplicate
             }
             finally
             {
@@ -43,7 +44,7 @@ public static class VersionMapper
         return (Version)_cacheMessages[key];
     }
 
-    public static ModelsV2.Version ToModel(this Version message)
+    public static FrostFsVersion ToModel(this Version message)
     {
         var key = (int)message.Major << 16 + (int)message.Minor;
 
@@ -53,14 +54,14 @@ public static class VersionMapper
             try
             {
                 _spinlock.Enter(ref lockTaken);
-                var model = new ModelsV2.Version((int)message.Major, (int)message.Minor);
+                var model = new FrostFsVersion((int)message.Major, (int)message.Minor);
 
                 _cacheModels.Add(key, model);
                 return model;
             }
             catch (System.ArgumentException)
             {
-                // ignore attempt to add duplicate error.
+                // ignore attempt to add duplicate
             }
             finally
             {
@@ -69,6 +70,6 @@ public static class VersionMapper
             }
         }
 
-        return (ModelsV2.Version)_cacheModels[key];
+        return (FrostFsVersion)_cacheModels[key];
     }
 }

src/FrostFS.SDK.ClientV2/Parameters/Context.cs

@@ -2,9 +2,11 @@ using System;
 using System.Collections.Generic;
 using System.Security.Cryptography;
 using System.Threading;
-using FrostFS.SDK.ModelsV2;
+
 using FrostFS.SDK.Cryptography;
+
 using Google.Protobuf;
+
 using Grpc.Core.Interceptors;
 
 namespace FrostFS.SDK.ClientV2;
@@ -13,13 +15,13 @@ public class Context()
 {
     private List<Interceptor>? interceptors;
 
-    private ByteString publicKeyCache;
+    private ByteString? publicKeyCache;
 
     public ECDsa Key { get; set; }
 
     public OwnerId OwnerId { get; set; }
 
-    public ModelsV2.Version Version { get; set; }
+    public FrostFsVersion Version { get; set; }
 
     public CancellationToken CancellationToken { get; set; } = default;
     
@@ -35,16 +37,13 @@ public class Context()
         set { this.interceptors = value; }
     }
 
-    public ByteString PublicKeyCache 
+    public ByteString? GetPublicKeyCache()
     { 
-        get
+        if (publicKeyCache == null && Key != null)
         {
-            if (publicKeyCache == null)
+            publicKeyCache = ByteString.CopyFrom(Key.PublicKey());
-            {
-                publicKeyCache = ByteString.CopyFrom(Key.PublicKey());
-            }
-
-            return publicKeyCache;
         }
+
+        return publicKeyCache;
     }
 }

src/FrostFS.SDK.ClientV2/Parameters/Credentials.cs

@@ -1,5 +1,4 @@
-using FrostFS.SDK.ModelsV2;
+using System.Security.Cryptography;
-using System.Security.Cryptography;
 
 namespace FrostFS.SDK.ClientV2.Parameters;
 

src/FrostFS.SDK.ClientV2/Parameters/ISessionToken.cs

@@ -1,5 +1,3 @@
-using FrostFS.SDK.ModelsV2;
-
 namespace FrostFS.SDK.ClientV2.Parameters;
 
 public interface ISessionToken
@@ -10,5 +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> 
-    SessionToken? SessionToken { get; set; }
+    FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmContainerCreate.cs

@@ -1,11 +1,8 @@
-using FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK.ClientV2.Parameters;
-using System.Security.Cryptography;
 
-namespace FrostFS.SDK.ClientV2.Parameters;
+public sealed class PrmContainerCreate(FrostFsContainer container) : PrmBase, ISessionToken
-
-public sealed class PrmContainerCreate(ModelsV2.Container container) : PrmBase, ISessionToken
 {
-    public ModelsV2.Container Container { get; set; } = container;
+    public FrostFsContainer Container { get; set; } = container;
 
     /// <summary>
     /// Since the container becomes available with some delay, it needs to poll the container status
@@ -16,5 +13,5 @@ public sealed class PrmContainerCreate(ModelsV2.Container container) : PrmBase,
     /// <summary>
     /// Blank session token
     /// </summary>
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmContainerDelete.cs

@@ -1,6 +1,4 @@
-using FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK.ClientV2.Parameters;
-
-namespace FrostFS.SDK.ClientV2.Parameters;
 
 public sealed class PrmContainerDelete(ContainerId containerId) : PrmBase, ISessionToken
 {
@@ -12,5 +10,5 @@ public sealed class PrmContainerDelete(ContainerId containerId) : PrmBase, ISess
     /// <value>Rules for polling the result</value>
     public PrmWait? WaitParams { get; set; }
 
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmContainerGet.cs

@@ -1,6 +1,4 @@
-using FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK.ClientV2.Parameters;
-
-namespace FrostFS.SDK.ClientV2.Parameters;
 
 public sealed class PrmContainerGet(ContainerId containerId) : PrmBase
 {

src/FrostFS.SDK.ClientV2/Parameters/PrmObjectDelete.cs

@@ -1,6 +1,4 @@
-using FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK.ClientV2.Parameters;
-
-namespace FrostFS.SDK.ClientV2.Parameters;
 
 public sealed class PrmObjectDelete(ContainerId containerId, ObjectId objectId) : PrmBase, ISessionToken
 {
@@ -9,5 +7,5 @@ public sealed class PrmObjectDelete(ContainerId containerId, ObjectId objectId)
     public ObjectId ObjectId { get; set; } = objectId;
 
     /// <inheritdoc />
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmObjectGet.cs

@@ -1,6 +1,4 @@
-using FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK.ClientV2.Parameters;
-
-namespace FrostFS.SDK.ClientV2.Parameters;
 
 public sealed class PrmObjectGet(ContainerId containerId, ObjectId objectId) : PrmBase, ISessionToken
 {
@@ -9,5 +7,5 @@ public sealed class PrmObjectGet(ContainerId containerId, ObjectId objectId) : P
     public ObjectId ObjectId { get; set; } = objectId;
 
     /// <inheritdoc />
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmObjectHeadGet.cs

@@ -1,6 +1,4 @@
-using FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK.ClientV2.Parameters;
-
-namespace FrostFS.SDK.ClientV2.Parameters;
 
 public sealed class PrmObjectHeadGet(ContainerId containerId, ObjectId objectId) : PrmBase, ISessionToken
 {
@@ -9,5 +7,5 @@ public sealed class PrmObjectHeadGet(ContainerId containerId, ObjectId objectId)
     public ObjectId ObjectId { get; set; } = objectId;
 
     /// <inheritdoc />
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmObjectPut.cs

@@ -1,5 +1,4 @@
 using System.IO;
-using FrostFS.SDK.ModelsV2;
 
 namespace FrostFS.SDK.ClientV2.Parameters;
 
@@ -37,7 +36,7 @@ public sealed class PrmObjectPut : PrmBase, ISessionToken
     public byte[]? CustomBuffer { get; set; }
 
     /// <inheritdoc />
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 
     internal int MaxObjectSizeCache { get; set; }
 

src/FrostFS.SDK.ClientV2/Parameters/PrmObjectSearch.cs

@@ -1,5 +1,5 @@
-using FrostFS.SDK.ModelsV2;
+using System.Collections.Generic;
-using System.Collections.Generic;
+
 namespace FrostFS.SDK.ClientV2.Parameters;
 
 public sealed class PrmObjectSearch(ContainerId containerId, params IObjectFilter[] filters) : PrmBase, ISessionToken
@@ -17,5 +17,5 @@ public sealed class PrmObjectSearch(ContainerId containerId, params IObjectFilte
     public IEnumerable<IObjectFilter> Filters { get; set; } = filters;
 
     /// <inheritdoc />
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmSingleObjectPut.cs

@@ -1,11 +1,9 @@
-using FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK.ClientV2.Parameters;
-
-namespace FrostFS.SDK.ClientV2.Parameters;
 
 public sealed class PrmSingleObjectPut(FrostFsObject frostFsObject) : PrmBase, ISessionToken
 {
     public FrostFsObject FrostFsObject { get; set; } = frostFsObject;
 
     /// <inheritdoc />
-    public SessionToken? SessionToken { get; set; }
+    public FrostFsSessionToken? SessionToken { get; set; }
 }

src/FrostFS.SDK.ClientV2/Parameters/PrmWait.cs

@@ -1,4 +1,5 @@
 using System;
+
 namespace FrostFS.SDK.ClientV2.Parameters;
 
 public class PrmWait(TimeSpan timeout, TimeSpan pollInterval)

src/FrostFS.SDK.ClientV2/Services/ContainerServiceProvider.cs

@@ -7,7 +7,6 @@ using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 using FrostFS.Container;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
 using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.Refs;
 using FrostFS.Session;
@@ -23,7 +22,7 @@ internal class ContainerServiceProvider(ContainerService.ContainerServiceClient
         return await sessions.GetOrCreateSession(args, ctx);
     }
 
-    internal async Task<ModelsV2.Container> GetContainerAsync(PrmContainerGet args)
+    internal async Task<FrostFsContainer> GetContainerAsync(PrmContainerGet args)
     {
         GetRequest request = GetContainerRequest(args.ContainerId.ToMessage(), args.XHeaders, args.Context!);
 
@@ -40,9 +39,9 @@ internal class ContainerServiceProvider(ContainerService.ContainerServiceClient
 
         var request = new ListRequest
         {
-            Body = new ListRequest.Types.Body
+            Body = new () 
             {
-                OwnerId = ctx.OwnerId.ToMessage()
+                OwnerId = ctx.OwnerId.ToMessage() 
             }
         };
         
@@ -81,9 +80,7 @@ internal class ContainerServiceProvider(ContainerService.ContainerServiceClient
             null,
             ContainerSessionContext.Types.Verb.Put,
             ctx.Key,
-            ctx.PublicKeyCache);
+            ctx.GetPublicKeyCache());
-
-        var v = sessionToken.Body.OwnerId == grpcContainer.OwnerId;
 
         request.AddMetaHeader(args.XHeaders, sessionToken);
 
@@ -116,7 +113,7 @@ internal class ContainerServiceProvider(ContainerService.ContainerServiceClient
             request.Body.ContainerId,
             ContainerSessionContext.Types.Verb.Delete,
             ctx.Key,
-            ctx.PublicKeyCache);
+            ctx.GetPublicKeyCache());
 
         request.AddMetaHeader(args.XHeaders, sessionToken);
 
@@ -193,7 +190,7 @@ internal class ContainerServiceProvider(ContainerService.ContainerServiceClient
                 if (DateTime.UtcNow >= deadLine)
                     throw new TimeoutException();
 
-                if (ex.Status.Code != ModelsV2.Enums.StatusCode.ContainerNotFound)
+                if (ex.Status.Code != FrostFsStatusCode.ContainerNotFound)
                     throw;
 
                 if (expect == WaitExpects.Removed)

src/FrostFS.SDK.ClientV2/Services/NetmapServiceProvider.cs

@@ -1,14 +1,13 @@
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
+
 using FrostFS.Netmap;
 using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
-using NodeInfo = FrostFS.SDK.ModelsV2.Netmap.NodeInfo;
-
-using FrostFS.SDK.ModelsV2.Netmap;
-using static FrostFS.Netmap.NetworkConfig.Types;
 using FrostFS.SDK.ClientV2.Parameters;
 
+using static FrostFS.Netmap.NetworkConfig.Types;
+
 namespace FrostFS.SDK.ClientV2;
 
 internal class NetmapServiceProvider : ContextAccessor
@@ -40,7 +39,7 @@ internal class NetmapServiceProvider : ContextAccessor
         return settings;
     }
 
-    internal async Task<NodeInfo> GetLocalNodeInfoAsync(PrmNodeInfo args)
+    internal async Task<FrostFsNodeInfo> GetLocalNodeInfoAsync(PrmNodeInfo args)
     {
         var ctx = args.Context!;
         var request = new LocalNodeInfoRequest

src/FrostFS.SDK.ClientV2/Services/ObjectServiceProvider.cs

@@ -1,19 +1,18 @@
 using System;
+using System.Buffers;
 using System.Collections.Generic;
 using System.Linq;
 using System.Threading.Tasks;
 
-using Google.Protobuf;
-
 using FrostFS.Object;
 using FrostFS.Refs;
+using FrostFS.SDK.ClientV2.Extensions;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
+using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.SDK.Cryptography;
 using FrostFS.Session;
-using FrostFS.SDK.ModelsV2;
+
-using FrostFS.SDK.ClientV2.Extensions;
+using Google.Protobuf;
-using FrostFS.SDK.ClientV2.Parameters;
-using System.Buffers;
 
 namespace FrostFS.SDK.ClientV2;
 
@@ -210,7 +209,7 @@ internal class ObjectServiceProvider(ObjectService.ObjectServiceClient client, C
         var ctx = args.Context!;
        
         var tokenRaw = await GetOrCreateSession(args, ctx);
-        var token = new ModelsV2.SessionToken(tokenRaw.Serialize());
+        var token = new FrostFsSessionToken(tokenRaw.Serialize());
 
         args.SessionToken = token;
 

src/FrostFS.SDK.ClientV2/Services/SessionServiceProvider.cs

@@ -1,4 +1,5 @@
 using System.Threading.Tasks;
+
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.Session;

src/FrostFS.SDK.ClientV2/Services/Shared/ContextAccessor.cs

@@ -4,5 +4,3 @@ internal class ContextAccessor(ClientEnvironment context)
 {
     protected ClientEnvironment Context { get; set; } = context;
 }
-
-

src/FrostFS.SDK.ClientV2/Services/Shared/SessionProvider.cs

@@ -1,5 +1,5 @@
-
 using System.Threading.Tasks;
+
 using FrostFS.SDK.ClientV2.Parameters;
 
 namespace FrostFS.SDK.ClientV2;

src/FrostFS.SDK.ClientV2/Tools/ClientEnvironment.cs

@@ -1,12 +1,12 @@
-using FrostFS.SDK.ModelsV2;
-using Grpc.Net.Client;
 using System;
-using System.Security.Cryptography;
 using System.Buffers;
+using System.Security.Cryptography;
+
+using Grpc.Net.Client;
 
 namespace FrostFS.SDK.ClientV2;
 
-public class ClientEnvironment(Client client, ECDsa? key, OwnerId? owner, GrpcChannel channel, ModelsV2.Version version) : IDisposable
+public class ClientEnvironment(Client client, ECDsa? key, OwnerId? owner, GrpcChannel channel, FrostFsVersion version) : IDisposable
 {
     private ArrayPool<byte> _arrayPool;
 
@@ -14,7 +14,7 @@ public class ClientEnvironment(Client client, ECDsa? key, OwnerId? owner, GrpcCh
 
     internal GrpcChannel Channel { get; private set; } = channel;
 
-    internal ModelsV2.Version Version { get; } = version;
+    internal FrostFsVersion Version { get; } = version;
 
     internal NetworkSettings? NetworkSettings { get; set; }
 
@@ -42,7 +42,7 @@ public class ClientEnvironment(Client client, ECDsa? key, OwnerId? owner, GrpcCh
     {
         if (disposing)
         {
-            Channel.Dispose();
+            Channel?.Dispose();
         }
     }
 }

src/FrostFS.SDK.ClientV2/Tools/Object.cs

@@ -1,7 +1,5 @@
-
 using System;
 using System.Collections.Generic;
-using FrostFS.SDK.ModelsV2;
 
 namespace FrostFS.SDK.ClientV2.Extensions;
 

src/FrostFS.SDK.ClientV2/Tools/ObjectReader.cs

@@ -4,7 +4,6 @@ using System.Threading.Tasks;
 using Grpc.Core;
 
 using FrostFS.Object;
-using FrostFS.SDK.ModelsV2;
 using System.Threading;
 
 namespace FrostFS.SDK.ClientV2;
@@ -33,7 +32,7 @@ public class ObjectReader(AsyncServerStreamingCall<GetResponse> call) : IObjectR
         };
     }
 
-    public async Task<byte[]?> ReadChunk(CancellationToken cancellationToken = default)
+    public async Task<ReadOnlyMemory<byte>?> ReadChunk(CancellationToken cancellationToken = default)
     {
         if (!await Call.ResponseStream.MoveNext(cancellationToken))
             return null;
@@ -44,14 +43,14 @@ public class ObjectReader(AsyncServerStreamingCall<GetResponse> call) : IObjectR
         if (response.Body.ObjectPartCase != GetResponse.Types.Body.ObjectPartOneofCase.Chunk)
             throw new InvalidOperationException("unexpected message type");
 
-        return response.Body.Chunk.ToByteArray();
+        return response.Body.Chunk.Memory;
     }
 
     public void Dispose()
     {
         if (!disposed)
         {
-            Call.Dispose();
+            Call?.Dispose();
             GC.SuppressFinalize(this);
 
             disposed = true;

src/FrostFS.SDK.ClientV2/Tools/ObjectStreamer.cs

@@ -30,6 +30,6 @@ internal class ObjectStreamer(AsyncClientStreamingCall<PutRequest, PutResponse>
 
     public void Dispose()
     {
-        Call.Dispose();
+        Call?.Dispose();
     }
 }

src/FrostFS.SDK.ClientV2/Tools/ObjectTools.cs

@@ -6,7 +6,6 @@ using FrostFS.Object;
 using FrostFS.Refs;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
 
 namespace FrostFS.SDK.ClientV2;
 
@@ -47,18 +46,21 @@ internal class ObjectTools
 
         obj.Signature = new Refs.Signature
         {
-            Key = ctx.PublicKeyCache,
+            Key = ctx.GetPublicKeyCache(),
             Sign = ByteString.CopyFrom(ctx.Key.SignData(obj.ObjectId.ToByteArray())),
         };        
       
         return obj;
     }
 
-    internal static void SetSplitValues(Header grpcHeader, ModelsV2.Split split, Context ctx)
+    internal static void SetSplitValues(Header grpcHeader, Split split, Context ctx)
     {
+        if (split == null)
+            return;
+
         grpcHeader.Split = new Header.Types.Split
         {
-            SplitId = split.SplitId != null ? ByteString.CopyFrom(split.SplitId.ToBinary()) : null
+            SplitId = split.SplitId?.GetMessage()
         };
 
         if (split.Children != null && split.Children.Count != 0)
@@ -72,7 +74,7 @@ internal class ObjectTools
             grpcHeader.Split.ParentHeader = grpcParentHeader;
             grpcHeader.Split.ParentSignature = new Refs.Signature
             {
-                Key = ctx.PublicKeyCache,
+                Key = ctx.GetPublicKeyCache(),
                 Sign = ByteString.CopyFrom(ctx.Key.SignData(grpcHeader.Split.Parent.ToByteArray())),
             };
 

src/FrostFS.SDK.ClientV2/Tools/Range.cs

@@ -24,10 +24,8 @@ namespace System
         public Index(int value, bool fromEnd = false)
         {
             if (value < 0)
-            {
                 throw new ArgumentOutOfRangeException(nameof(value), "value must be non-negative");
-            }
+            
-
             if (fromEnd)
                 _value = ~value;
             else
@@ -52,10 +50,8 @@ namespace System
         public static Index FromStart(int value)
         {
             if (value < 0)
-            {
                 throw new ArgumentOutOfRangeException(nameof(value), "value must be non-negative");
-            }
+            
-
             return new Index(value);
         }
 
@@ -65,10 +61,8 @@ namespace System
         public static Index FromEnd(int value)
         {
             if (value < 0)
-            {
                 throw new ArgumentOutOfRangeException(nameof(value), "value must be non-negative");
-            }
+            
-
             return new Index(~value);
         }
 
@@ -77,14 +71,7 @@ namespace System
         {
             get
             {
-                if (_value < 0)
+                return _value < 0 ? ~_value : _value;
-                {
-                    return ~_value;
-                }
-                else
-                {
-                    return _value;
-                }
             }
         }
 
@@ -202,6 +189,7 @@ namespace System
         {
             int start;
             var startIndex = Start;
+            
             if (startIndex.IsFromEnd)
                 start = length - startIndex.Value;
             else
@@ -209,16 +197,15 @@ namespace System
 
             int end;
             var endIndex = End;
+
             if (endIndex.IsFromEnd)
                 end = length - endIndex.Value;
             else
                 end = endIndex.Value;
 
             if ((uint)end > (uint)length || (uint)start > (uint)end)
-            {
                 throw new ArgumentOutOfRangeException(nameof(length));
-            }
+            
-
             return (start, end - start);
         }
     }
@@ -234,10 +221,8 @@ namespace System.Runtime.CompilerServices
         public static T[] GetSubArray<T>(T[] array, Range range)
         {
             if (array == null)
-            {
                 throw new ArgumentNullException(nameof(array));
-            }
+            
-
             (int offset, int length) = range.GetOffsetAndLength(array.Length);
 
             if (default(T) != null || typeof(T[]) == array.GetType())
@@ -245,10 +230,8 @@ namespace System.Runtime.CompilerServices
                 // We know the type of the array to be exactly T[].
 
                 if (length == 0)
-                {
                     return [];
-                }
+                
-
                 var dest = new T[length];
                 Array.Copy(array, offset, dest, 0, length);
                 return dest;

src/FrostFS.SDK.ClientV2/Tools/RequestConstructor.cs

@@ -5,7 +5,6 @@ using System.Security.Cryptography;
 using FrostFS.Refs;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
 using FrostFS.SDK.ProtosV2.Interfaces;
 using FrostFS.Session;
 

src/FrostFS.SDK.ClientV2/Tools/RequestSigner.cs

@@ -1,6 +1,11 @@
 using System;
 using System.Security.Cryptography;
 
+using FrostFS.Refs;
+using FrostFS.SDK.Cryptography;
+using FrostFS.SDK.ProtosV2.Interfaces;
+using FrostFS.Session;
+
 using Google.Protobuf;
 
 using Org.BouncyCastle.Asn1.Sec;
@@ -9,11 +14,6 @@ using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Signers;
 using Org.BouncyCastle.Math;
 
-using FrostFS.Refs;
-using FrostFS.SDK.Cryptography;
-using FrostFS.Session;
-using FrostFS.SDK.ProtosV2.Interfaces;
-
 namespace FrostFS.SDK.ClientV2;
 
 public static class RequestSigner

src/FrostFS.SDK.ClientV2/Tools/SearchReader.cs

@@ -1,13 +1,13 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Threading;
 using System.Threading.Tasks;
 
-using Grpc.Core;
-
 using FrostFS.Object;
 using FrostFS.Refs;
-using System.Threading;
+
+using Grpc.Core;
 
 namespace FrostFS.SDK.ClientV2;
 
@@ -29,6 +29,6 @@ internal class SearchReader(AsyncServerStreamingCall<SearchResponse> call) : IDi
 
     public void Dispose()
     {
-        Call.Dispose();
+        Call?.Dispose();
     }
 }

src/FrostFS.SDK.ClientV2/Tools/Verifier.cs

@@ -1,6 +1,12 @@
 using System;
 using System.Security.Cryptography;
 
+using FrostFS.Refs;
+using FrostFS.SDK.ClientV2.Mappers.GRPC;
+using FrostFS.SDK.Cryptography;
+using FrostFS.SDK.ProtosV2.Interfaces;
+using FrostFS.Session;
+
 using Google.Protobuf;
 
 using Org.BouncyCastle.Asn1.Sec;
@@ -9,12 +15,6 @@ using Org.BouncyCastle.Crypto.Parameters;
 using Org.BouncyCastle.Crypto.Signers;
 using Org.BouncyCastle.Math;
 
-using FrostFS.Refs;
-using FrostFS.SDK.ClientV2.Mappers.GRPC;
-using FrostFS.SDK.Cryptography;
-using FrostFS.Session;
-using FrostFS.SDK.ProtosV2.Interfaces;
-
 namespace FrostFS.SDK.ClientV2;
 
 public static class Verifier

src/FrostFS.SDK.ModelsV2/Client/ClientSettings.cs

@@ -2,7 +2,7 @@ using System;
 using System.Collections.Generic;
 using System.Text;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class ClientSettings
 {
@@ -13,7 +13,7 @@ public class ClientSettings
     public virtual void Validate()
     {
         var errors = CheckFields();
-        if (errors != null) 
+        if (errors != null)
             ThrowException(errors);
     }
 
@@ -28,7 +28,7 @@ public class ClientSettings
     }
 
     protected static void ThrowException(List<string> errors)
-    {  
+    {
         StringBuilder messages = new();
 
         foreach (var error in errors)
@@ -48,7 +48,7 @@ public class SingleOwnerClientSettings : ClientSettings
     {
         var errors = CheckFields();
         if (errors != null)
-            ThrowException(errors);       
+            ThrowException(errors);
     }
 
     protected List<string>? CheckFields()
@@ -59,5 +59,5 @@ public class SingleOwnerClientSettings : ClientSettings
             (errors ??= []).Add(string.Format(errorTemplate, nameof(Key)));
 
         return errors;
-    }  
+    }
 }

src/FrostFS.SDK.ModelsV2/Containers/Container.cs

@@ -1,13 +0,0 @@
-using System;
-using FrostFS.SDK.ModelsV2.Enums;
-using FrostFS.SDK.ModelsV2.Netmap;
-
-namespace FrostFS.SDK.ModelsV2;
-
-public class Container(BasicAcl basicAcl, PlacementPolicy placementPolicy)
-{
-    public Guid Nonce { get; set; } = Guid.NewGuid();
-    public BasicAcl BasicAcl { get; set; } = basicAcl;
-    public PlacementPolicy PlacementPolicy { get; set; } = placementPolicy;
-    public Version? Version { get; set; }
-}

src/FrostFS.SDK.ModelsV2/Containers/ContainerId.cs

@@ -1,4 +1,4 @@
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class ContainerId(string id)
 {

src/FrostFS.SDK.ModelsV2/Containers/FrostFsContainer.cs

@@ -0,0 +1,11 @@
+using System;
+
+namespace FrostFS.SDK;
+
+public class FrostFsContainer(BasicAcl basicAcl, FrostFsPlacementPolicy placementPolicy)
+{
+    public Guid Nonce { get; set; } = Guid.NewGuid();
+    public BasicAcl BasicAcl { get; set; } = basicAcl;
+    public FrostFsPlacementPolicy PlacementPolicy { get; set; } = placementPolicy;
+    public FrostFsVersion? Version { get; set; }
+}

src/FrostFS.SDK.ModelsV2/Enums/BasicAcl.cs

@@ -1,6 +1,6 @@
 using System.ComponentModel;
 
-namespace FrostFS.SDK.ModelsV2.Enums;
+namespace FrostFS.SDK;
 
 public enum BasicAcl
 {

src/FrostFS.SDK.ModelsV2/Enums/FrostFsObjectMatchType.cs

@@ -1,6 +1,6 @@
-namespace FrostFS.SDK.ModelsV2.Enums;
+namespace FrostFS.SDK;
 
-public enum ObjectMatchType
+public enum FrostFsObjectMatchType
 {
     Unspecified = 0,
     Equals = 1,

src/FrostFS.SDK.ModelsV2/Enums/FrostFsObjectType.cs

@@ -0,0 +1,8 @@
+namespace FrostFS.SDK;
+
+public enum FrostFsObjectType
+{
+    Regular = 0,
+    Tombstone = 1,
+    Lock = 3
+}

src/FrostFS.SDK.ModelsV2/Enums/FrostFsStatusCode.cs

@@ -1,6 +1,6 @@
-namespace FrostFS.SDK.ModelsV2.Enums;
+namespace FrostFS.SDK;
 
-public enum StatusCode
+public enum FrostFsStatusCode
 {
     Success = 0,
     Internal = 1024,

src/FrostFS.SDK.ModelsV2/Enums/NodeState.cs

@@ -1,4 +1,4 @@
-namespace FrostFS.SDK.ModelsV2.Enums;
+namespace FrostFS.SDK;
 
 public enum NodeState
 {

src/FrostFS.SDK.ModelsV2/Enums/ObjectType.cs

@@ -1,8 +0,0 @@
-namespace FrostFS.SDK.ModelsV2.Enums;
-
-public enum ObjectType
-{
-    Regular = 0,
-    Tombstone = 1,
-    Lock = 3
-}

src/FrostFS.SDK.ModelsV2/Enums/SignatureScheme.cs

@@ -1,7 +1,8 @@
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
-public enum SignatureScheme {
+public enum SignatureScheme
+{
     EcdsaSha512,
     EcdsaRfc6979Sha256,
     EcdsaRfc6979Sha256WalletConnect
-  }
+}

src/FrostFS.SDK.ModelsV2/Misc/CallStatistics.cs

@@ -1,7 +1,7 @@
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class CallStatistics
-{ 
+{
     public string? MethodName { get; set; }
     public long ElapsedMicroSeconds { get; set; }
 }

src/FrostFS.SDK.ModelsV2/Misc/CheckSum.cs

@@ -1,7 +1,7 @@
 using FrostFS.SDK.Cryptography;
 using System;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class CheckSum
 {

src/FrostFS.SDK.ModelsV2/Misc/Constants.cs

@@ -1,4 +1,4 @@
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class Constants
 {

src/FrostFS.SDK.ModelsV2/Netmap/FrostFsNodeInfo.cs

@@ -1,18 +1,17 @@
 using System;
 using System.Collections.Generic;
-using FrostFS.SDK.ModelsV2.Enums;
 
-namespace FrostFS.SDK.ModelsV2.Netmap;
+namespace FrostFS.SDK;
 
-public class NodeInfo(
+public class FrostFsNodeInfo(
-    Version version,
+    FrostFsVersion version,
     NodeState state,
     IReadOnlyCollection<string> addresses,
     IReadOnlyDictionary<string, string> attributes,
     ReadOnlyMemory<byte> publicKey)
 {
     public NodeState State { get; private set; } = state;
-    public Version Version { get; private set; } = version;
+    public FrostFsVersion Version { get; private set; } = version;
     public IReadOnlyCollection<string> Addresses { get; private set; } = addresses;
     public IReadOnlyDictionary<string, string> Attributes { get; private set; } = attributes;
     public ReadOnlyMemory<byte> PublicKey { get; private set; } = publicKey;

src/FrostFS.SDK.ModelsV2/Netmap/FrostFsPlacementPolicy.cs

@@ -1,16 +1,16 @@
 using System;
 using System.Linq;
 
-namespace FrostFS.SDK.ModelsV2.Netmap;
+namespace FrostFS.SDK;
 
-public class PlacementPolicy(bool unique, params Replica[] replicas) : IComparable<PlacementPolicy>
+public class FrostFsPlacementPolicy(bool unique, params FrostFsReplica[] replicas) : IComparable<FrostFsPlacementPolicy>
 {
-    public Replica[] Replicas { get; private set; } = replicas;
+    public FrostFsReplica[] Replicas { get; private set; } = replicas;
     public bool Unique { get; private set; } = unique;
 
-    public int CompareTo(PlacementPolicy other)
+    public int CompareTo(FrostFsPlacementPolicy other)
     {
-        var notEqual = other == null 
+        var notEqual = other == null
             || Unique != other.Unique
             || Replicas.Length != other.Replicas.Length;
 

src/FrostFS.SDK.ModelsV2/Netmap/FrostFsReplica.cs

@@ -1,14 +1,14 @@
-namespace FrostFS.SDK.ModelsV2.Netmap;
+namespace FrostFS.SDK;
 
-public class Replica
+public class FrostFsReplica
 {
     public int Count { get; set; }
     public string Selector { get; set; }
 
-    public Replica(int count, string? selector = null)
+    public FrostFsReplica(int count, string? selector = null)
     {
         selector ??= string.Empty;
-    
+
         Count = count;
         Selector = selector;
     }

src/FrostFS.SDK.ModelsV2/Netmap/FrostFsVersion.cs

@@ -1,11 +1,11 @@
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
-public class Version(int major, int minor)
+public class FrostFsVersion(int major, int minor)
 {
     public int Major { get; set; } = major;
     public int Minor { get; set; } = minor;
 
-    public bool IsSupported(Version version)
+    public bool IsSupported(FrostFsVersion version)
     {
         return Major == version.Major;
     }

src/FrostFS.SDK.ModelsV2/Netmap/NetmapInfo.cs

@@ -1,10 +1,10 @@
 using System.Collections.Generic;
 
-namespace FrostFS.SDK.ModelsV2.Netmap;
+namespace FrostFS.SDK;
 
-public class NetmapSnapshot(ulong epoch, IReadOnlyList<NodeInfo> nodeInfoCollection)
+public class NetmapSnapshot(ulong epoch, IReadOnlyList<FrostFsNodeInfo> nodeInfoCollection)
 {
     public ulong Epoch { get; private set; } = epoch;
 
-    public IReadOnlyList<NodeInfo> NodeInfoCollection { get; private set; } = nodeInfoCollection;
+    public IReadOnlyList<FrostFsNodeInfo> NodeInfoCollection { get; private set; } = nodeInfoCollection;
 }

src/FrostFS.SDK.ModelsV2/Object/FrostFsObject.cs

@@ -1,7 +1,6 @@
 using System;
-using FrostFS.SDK.ModelsV2.Enums;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class FrostFsObject
 {
@@ -11,7 +10,7 @@ public class FrostFsObject
     /// <param name="header"></param> <summary>
     public FrostFsObject(ObjectHeader header)
     {
-        Header = header;        
+        Header = header;
     }
 
     /// <summary>
@@ -19,17 +18,17 @@ public class FrostFsObject
     /// </summary>
     /// <param name="container"></param>
     /// <param name="objectType"></param>
-    public FrostFsObject(ContainerId container, ObjectType objectType = ObjectType.Regular)
+    public FrostFsObject(ContainerId container, FrostFsObjectType objectType = FrostFsObjectType.Regular)
     {
-        Header = new ObjectHeader(containerId: container, type: objectType);        
+        Header = new ObjectHeader(containerId: container, type: objectType);
     }
-    
+
     /// <summary>
     /// Header contains metadata for the object
     /// </summary>
     /// <value></value>
     public ObjectHeader Header { get; set; }
-    
+
     /// <summary>
     /// The value is calculated internally as a hash of ObjectHeader. Do not use pre-calculated value is the object has been changed.
     /// </summary>
@@ -50,7 +49,7 @@ public class FrostFsObject
     /// </summary>
     /// <value>Reader for received data</value>
     public IObjectReader? ObjectReader { get; set; }
-    
+
     /// <summary>
     /// Applied only for the last Object in chain in case of manual multipart uploading
     /// </summary>
@@ -74,11 +73,11 @@ public class LargeObject(ContainerId container) : FrostFsObject(container)
 
 public class LinkObject : FrostFsObject
 {
-    public LinkObject(ContainerId containerId, SplitId splitId, ObjectHeader largeObjectHeader) : base (containerId)
+    public LinkObject(ContainerId containerId, SplitId splitId, ObjectHeader largeObjectHeader) : base(containerId)
     {
         Header!.Split = new Split(splitId)
         {
-            ParentHeader = largeObjectHeader            
+            ParentHeader = largeObjectHeader
         };
     }
 }

src/FrostFS.SDK.ModelsV2/Object/IObjectReader.cs

@@ -2,9 +2,9 @@ using System;
 using System.Threading;
 using System.Threading.Tasks;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public interface IObjectReader : IDisposable
 {
-    Task<byte[]?> ReadChunk(CancellationToken cancellationToken = default);
+    Task<ReadOnlyMemory<byte>?> ReadChunk(CancellationToken cancellationToken = default);
 }

src/FrostFS.SDK.ModelsV2/Object/ObjectAttribute.cs

@@ -1,4 +1,4 @@
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class ObjectAttribute(string key, string value)
 {

src/FrostFS.SDK.ModelsV2/Object/ObjectFilter.cs

@@ -1,18 +1,16 @@
-using FrostFS.SDK.ModelsV2.Enums;
+namespace FrostFS.SDK;
-
-namespace FrostFS.SDK.ModelsV2;
 
 public interface IObjectFilter
 {
-    public ObjectMatchType MatchType { get; set; }
+    public FrostFsObjectMatchType MatchType { get; set; }
     public string Key { get; set; }
-    
+
     string? GetSerializedValue();
 }
 
-public abstract class ObjectFilter<T>(ObjectMatchType matchType, string key, T value) : IObjectFilter
+public abstract class ObjectFilter<T>(FrostFsObjectMatchType matchType, string key, T value) : IObjectFilter
 {
-    public ObjectMatchType MatchType { get; set; } = matchType;
+    public FrostFsObjectMatchType MatchType { get; set; } = matchType;
     public string Key { get; set; } = key;
 
     public T Value { get; set; } = value;
@@ -29,85 +27,85 @@ public abstract class ObjectFilter<T>(ObjectMatchType matchType, string key, T v
 /// <param name="matchType">Match type</param>
 /// <param name="key">Attribute key</param>
 /// <param name="value">Attribute value</param>
-public class FilterByAttribute(ObjectMatchType matchType, string key, string value) : ObjectFilter<string>(matchType, key, value) { }
+public class FilterByAttribute(FrostFsObjectMatchType matchType, string key, string value) : ObjectFilter<string>(matchType, key, value) { }
 
 /// <summary>
 /// Creates filter to search by ObjectId
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="objectId">ObjectId</param>
-public class FilterByObjectId(ObjectMatchType matchType, ObjectId objectId) : ObjectFilter<ObjectId>(matchType, Constants.FilterHeaderObjectID, objectId) { }
+public class FilterByObjectId(FrostFsObjectMatchType matchType, ObjectId objectId) : ObjectFilter<ObjectId>(matchType, Constants.FilterHeaderObjectID, objectId) { }
 
 /// <summary>
 /// Creates filter to search by OwnerId
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="ownerId">ObjectId</param>
-public class FilterByOwnerId(ObjectMatchType matchType, OwnerId ownerId) : ObjectFilter<OwnerId>(matchType, Constants.FilterHeaderOwnerID, ownerId) {}
+public class FilterByOwnerId(FrostFsObjectMatchType matchType, OwnerId ownerId) : ObjectFilter<OwnerId>(matchType, Constants.FilterHeaderOwnerID, ownerId) { }
 
 /// <summary>
 /// Creates filter to search by Version
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="version">Version</param>
-public class FilterByVersion(ObjectMatchType matchType, Version version) : ObjectFilter<Version>(matchType, Constants.FilterHeaderVersion, version)  {}
+public class FilterByVersion(FrostFsObjectMatchType matchType, FrostFsVersion version) : ObjectFilter<FrostFsVersion>(matchType, Constants.FilterHeaderVersion, version) { }
 
 /// <summary>
 /// Creates filter to search by ContainerId
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="containerId">ContainerId</param>
-public class FilterByContainerId(ObjectMatchType matchType, ContainerId containerId) : ObjectFilter<ContainerId>(matchType, Constants.FilterHeaderContainerID, containerId)  {}
+public class FilterByContainerId(FrostFsObjectMatchType matchType, ContainerId containerId) : ObjectFilter<ContainerId>(matchType, Constants.FilterHeaderContainerID, containerId) { }
 
 /// <summary>
 /// Creates filter to search by creation Epoch
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="epoch">Creation Epoch</param>
-public class FilterByEpoch(ObjectMatchType matchType, ulong epoch) : ObjectFilter<ulong>(matchType, Constants.FilterHeaderCreationEpoch, epoch)  {}
+public class FilterByEpoch(FrostFsObjectMatchType matchType, ulong epoch) : ObjectFilter<ulong>(matchType, Constants.FilterHeaderCreationEpoch, epoch) { }
 
 /// <summary>
 /// Creates filter to search by Payload Length
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="payloadLength">Payload Length</param>
-public class FilterByPayloadLength(ObjectMatchType matchType, ulong payloadLength) : ObjectFilter<ulong>(matchType, Constants.FilterHeaderPayloadLength, payloadLength)  {}
+public class FilterByPayloadLength(FrostFsObjectMatchType matchType, ulong payloadLength) : ObjectFilter<ulong>(matchType, Constants.FilterHeaderPayloadLength, payloadLength) { }
 
 /// <summary>
 /// Creates filter to search by Payload Hash
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="payloadHash">Payload Hash</param>
-public class FilterByPayloadHash(ObjectMatchType matchType, CheckSum payloadHash) : ObjectFilter<CheckSum>(matchType, Constants.FilterHeaderPayloadHash, payloadHash)  {}
+public class FilterByPayloadHash(FrostFsObjectMatchType matchType, CheckSum payloadHash) : ObjectFilter<CheckSum>(matchType, Constants.FilterHeaderPayloadHash, payloadHash) { }
 
 /// <summary>
 /// Creates filter to search by Parent
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="parentId">Parent</param>
-public class FilterByParent(ObjectMatchType matchType, ObjectId parentId) : ObjectFilter<ObjectId>(matchType, Constants.FilterHeaderParent, parentId)  {}
+public class FilterByParent(FrostFsObjectMatchType matchType, ObjectId parentId) : ObjectFilter<ObjectId>(matchType, Constants.FilterHeaderParent, parentId) { }
 
 /// <summary>
 /// Creates filter to search by SplitId
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="splitId">SplitId</param>
-public class FilterBySplitId(ObjectMatchType matchType, SplitId splitId) : ObjectFilter<SplitId>(matchType, Constants.FilterHeaderSplitID, splitId)  {}
+public class FilterBySplitId(FrostFsObjectMatchType matchType, SplitId splitId) : ObjectFilter<SplitId>(matchType, Constants.FilterHeaderSplitID, splitId) { }
 
 /// <summary>
 /// Creates filter to search by Payload Hash
 /// </summary>
 /// <param name="matchType">Match type</param>
 /// <param name="ecParentId">Payload Hash</param>
-public class FilterByECParent(ObjectMatchType matchType, ObjectId ecParentId) : ObjectFilter<ObjectId>(matchType, Constants.FilterHeaderECParent, ecParentId)  {}
+public class FilterByECParent(FrostFsObjectMatchType matchType, ObjectId ecParentId) : ObjectFilter<ObjectId>(matchType, Constants.FilterHeaderECParent, ecParentId) { }
 
 /// <summary>
 /// Creates filter to search Root objects
 /// </summary>
-public class FilterByRootObject() : ObjectFilter<string>(ObjectMatchType.Unspecified, Constants.FilterHeaderRoot, string.Empty) {}
+public class FilterByRootObject() : ObjectFilter<string>(FrostFsObjectMatchType.Unspecified, Constants.FilterHeaderRoot, string.Empty) { }
 
 /// <summary>
 /// Creates filter to search objects that are physically stored on the server 
 /// </summary
-public class FilterByPhysicallyStored() : ObjectFilter<string>(ObjectMatchType.Unspecified, Constants.FilterHeaderPhy, string.Empty)  {}
+public class FilterByPhysicallyStored() : ObjectFilter<string>(FrostFsObjectMatchType.Unspecified, Constants.FilterHeaderPhy, string.Empty) { }
 

src/FrostFS.SDK.ModelsV2/Object/ObjectHeader.cs

@@ -1,11 +1,10 @@
 using System.Collections.Generic;
-using FrostFS.SDK.ModelsV2.Enums;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class ObjectHeader(
     ContainerId containerId,
-    ObjectType type = ObjectType.Regular,
+    FrostFsObjectType type = FrostFsObjectType.Regular,
     params ObjectAttribute[] attributes
     )
 {
@@ -19,9 +18,9 @@ public class ObjectHeader(
 
     public byte[]? PayloadCheckSum { get; set; }
 
-    public ObjectType ObjectType { get; set; } = type;
+    public FrostFsObjectType ObjectType { get; set; } = type;
 
-    public Version? Version { get; set; }
+    public FrostFsVersion? Version { get; set; }
 
     public Split? Split { get; set; }
 }

src/FrostFS.SDK.ModelsV2/Object/ObjectId.cs

@@ -2,7 +2,7 @@
 
 using FrostFS.SDK.Cryptography;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class ObjectId(string id)
 {
@@ -12,7 +12,7 @@ public class ObjectId(string id)
     {
         if (hash.Length != Constants.Sha256HashLength)
             throw new FormatException("ObjectID must be a sha256 hash.");
-        
+
         return new ObjectId(Base58.Encode(hash));
     }
 

src/FrostFS.SDK.ModelsV2/Object/OwnerId.cs

@@ -2,7 +2,7 @@ using System.Security.Cryptography;
 
 using FrostFS.SDK.Cryptography;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class OwnerId(string id)
 {

src/FrostFS.SDK.ModelsV2/Object/SplitId.cs

@@ -1,30 +1,35 @@
 using FrostFS.SDK.Cryptography;
+
+using Google.Protobuf;
+
 using System;
 
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
 public class SplitId
 {
-    private Guid id;
+    private readonly Guid id;
+
+    ByteString? _message;
 
     public SplitId()
     {
-        this.id = Guid.NewGuid();
+        id = Guid.NewGuid();
     }
 
     public SplitId(Guid guid)
     {
-        this.id = guid;
+        id = guid;
     }
 
     private SplitId(byte[] binary)
     {
-        this.id = new Guid(binary);
+        id = new Guid(binary);
     }
 
     private SplitId(string str)
     {
-        this.id = new Guid(str);
+        id = new Guid(str);
     }
 
     public static SplitId CreateFromBinary(byte[] binaryData)
@@ -35,18 +40,23 @@ public class SplitId
     public static SplitId CreateFromString(string stringData)
     {
         return new SplitId(stringData);
- 	}
+    }
 
     public override string ToString()
     {
-        return this.id.ToString();
+        return id.ToString();
     }
 
     public byte[]? ToBinary()
     {
-        if (this.id == Guid.Empty)
+        if (id == Guid.Empty)
             return null;
 
-        return this.id.ToBytes();
+        return id.ToBytes();
+    }
+
+    public ByteString? GetMessage()
+    {
+        return _message ??= ByteString.CopyFrom(ToBinary());
     }
 }

src/FrostFS.SDK.ModelsV2/Object/Splitter.cs

@@ -1,7 +1,6 @@
 using System.Collections.Generic;
 
-
+namespace FrostFS.SDK;
-namespace FrostFS.SDK.ModelsV2;
 
 public class Split(SplitId splitId)
 {
@@ -14,8 +13,8 @@ public class Split(SplitId splitId)
     public ObjectId? Parent { get; set; }
 
     public ObjectId? Previous { get; set; }
-    
+
-    public Signature? ParentSignature { get; set; }
+    public FrostFsSignature? ParentSignature { get; set; }
 
     public ObjectHeader? ParentHeader { get; set; }
 

src/FrostFS.SDK.ModelsV2/Response/FrostFsResponseStatus.cs

@@ -0,0 +1,14 @@
+namespace FrostFS.SDK;
+
+public class FrostFsResponseStatus(FrostFsStatusCode code, string? message = null)
+{
+    public FrostFsStatusCode Code { get; set; } = code;
+    public string Message { get; set; } = message ?? string.Empty;
+
+    public bool IsSuccess => Code == FrostFsStatusCode.Success;
+
+    public override string ToString()
+    {
+        return $"Response status: {Code}. Message: {Message}.";
+    }
+}

src/FrostFS.SDK.ModelsV2/Response/FrostFsSignature.cs

@@ -0,0 +1,10 @@
+namespace FrostFS.SDK;
+
+public class FrostFsSignature
+{
+    public byte[]? Key { get; set; }
+
+    public byte[]? Sign { get; set; }
+
+    public SignatureScheme Scheme { get; set; }
+}

src/FrostFS.SDK.ModelsV2/Response/MetaHeader.cs

@@ -1,15 +1,15 @@
-namespace FrostFS.SDK.ModelsV2;
+namespace FrostFS.SDK;
 
-public class MetaHeader(Version version, int epoch, int ttl)
+public class MetaHeader(FrostFsVersion version, int epoch, int ttl)
 {
-    public Version Version { get; set; } = version;
+    public FrostFsVersion Version { get; set; } = version;
     public int Epoch { get; set; } = epoch;
     public int Ttl { get; set; } = ttl;
 
     public static MetaHeader Default()
     {
         return new MetaHeader(
-            new Version(
+            new FrostFsVersion(
                 major: 2,
                 minor: 13
             ),

src/FrostFS.SDK.ModelsV2/Response/ResponseStatus.cs

@@ -1,16 +0,0 @@
-using FrostFS.SDK.ModelsV2.Enums;
-
-namespace FrostFS.SDK.ModelsV2;
-
-public class ResponseStatus(StatusCode code, string? message = null)
-{
-    public StatusCode Code { get; set; } = code;
-    public string Message { get; set; } = message ?? string.Empty;
-
-    public bool IsSuccess => Code == StatusCode.Success;
-
-    public override string ToString()
-    {
-        return $"Response status: {Code}. Message: {Message}.";
-    }
-}

src/FrostFS.SDK.ModelsV2/Response/Signature.cs

@@ -1,8 +0,0 @@
-namespace FrostFS.SDK.ModelsV2;
-
-public class Signature 
-{
-    public byte[]? Key { get; set; }
-    public byte[]? Sign  { get; set; }
-    public SignatureScheme Scheme { get; set; }
-}

src/FrostFS.SDK.ModelsV2/Session/FrostFsSessionToken.cs

@@ -0,0 +1,6 @@
+namespace FrostFS.SDK;
+
+public class FrostFsSessionToken(byte[] token)
+{
+    public byte[] Token { get; private set; } = token;
+}

src/FrostFS.SDK.ModelsV2/Session/SessionToken.cs

@@ -1,6 +0,0 @@
-namespace FrostFS.SDK.ModelsV2;
-
-public class SessionToken(byte[] token)
-{
-    public byte[] Token { get; private set; } = token;
-}

src/FrostFS.SDK.Tests/ContainerTest.cs

@@ -1,14 +1,11 @@
-using FrostFS.SDK.ModelsV2;
 using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
+using FrostFS.SDK.ClientV2.Interfaces;
+using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.SDK.Cryptography;
 
 using Microsoft.Extensions.Options;
-using FrostFS.SDK.ModelsV2.Netmap;
-using FrostFS.SDK.ModelsV2.Enums;
 using Google.Protobuf;
-using FrostFS.SDK.ClientV2.Interfaces;
-using FrostFS.SDK.ClientV2.Parameters;
 
 namespace FrostFS.SDK.Tests;
 
@@ -29,8 +26,8 @@ public abstract class ContainerTestsBase
 
         Mocker = new ContainerMocker(this.key)
         {
-            PlacementPolicy = new PlacementPolicy(true, new Replica(1)),
+            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
-            Version = new ModelsV2.Version(2, 13),
+            Version = new FrostFsVersion(2, 13),
             ContainerGuid = Guid.NewGuid()
         };
     }
@@ -52,7 +49,7 @@ public class ContainerTest : ContainerTestsBase
     [Fact]
     public async void CreateContainerTest()
     {
-        var param = new PrmContainerCreate(new ModelsV2.Container(BasicAcl.PublicRW, Mocker.PlacementPolicy));
+        var param = new PrmContainerCreate(new FrostFsContainer(BasicAcl.PublicRW, Mocker.PlacementPolicy));
 
         var result = await GetClient().CreateContainerAsync(param);
 

src/FrostFS.SDK.Tests/Mocks/AsyncStreamReaderMock.cs

@@ -3,7 +3,6 @@ using FrostFS.Session;
 using Google.Protobuf;
 using Grpc.Core;
 using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.ModelsV2;
 using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.Cryptography;

src/FrostFS.SDK.Tests/Mocks/ContainerServiceMocks/ContainerServiceBase.cs

@@ -3,8 +3,6 @@ using FrostFS.Container;
 using Moq;
 
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2.Enums;
-using FrostFS.SDK.ModelsV2.Netmap;
 using FrostFS.Session;
 using Google.Protobuf;
 
@@ -19,18 +17,18 @@ public abstract class ServiceBase(string key)
 {
     public string StringKey { get; private set; } = key;
     public ECDsa Key { get; private set; } = key.LoadWif();
-    public ModelsV2.Version Version { get; set; } = DefaultVersion;
+    public FrostFsVersion Version { get; set; } = DefaultVersion;
     public BasicAcl Acl { get; set; } = DefaultAcl;
-    public PlacementPolicy PlacementPolicy { get; set; } = DefaultPlacementPolicy;
+    public FrostFsPlacementPolicy PlacementPolicy { get; set; } = DefaultPlacementPolicy;
 
-    public static ModelsV2.Version DefaultVersion { get; } = new(2, 13);
+    public static FrostFsVersion DefaultVersion { get; } = new(2, 13);
     public static BasicAcl DefaultAcl { get; } = BasicAcl.PublicRW;
-    public static PlacementPolicy DefaultPlacementPolicy { get; } = new PlacementPolicy(true, new Replica(1));
+    public static FrostFsPlacementPolicy DefaultPlacementPolicy { get; } = new FrostFsPlacementPolicy(true, new FrostFsReplica(1));
 
     public Metadata Metadata { get; protected set; }
     public DateTime? DateTime { get; protected set; }
-    public CancellationToken CancellationToken { get; protected set; }
 
+    public CancellationToken CancellationToken { get; protected set; }
     public CancellationTokenSource CancellationTokenSource { get; protected set; } = new CancellationTokenSource();
 
     public static Metadata ResponseMetaData => [];

src/FrostFS.SDK.Tests/Mocks/ContainerServiceMocks/GetContainerMock.cs

@@ -5,7 +5,6 @@ using Moq;
 
 using FrostFS.SDK.Cryptography;
 using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.ModelsV2.Netmap;
 using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.Session;

src/FrostFS.SDK.Tests/Mocks/ObjectMock.cs

@@ -2,7 +2,6 @@ using Google.Protobuf;
 using Grpc.Core;
 using Moq;
 using FrostFS.SDK.ClientV2;
-using FrostFS.SDK.ModelsV2;
 using FrostFS.Object;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using System.Security.Cryptography;

src/FrostFS.SDK.Tests/NetworkTest.cs

@@ -3,10 +3,11 @@ using FrostFS.SDK.ClientV2;
 using FrostFS.SDK.ClientV2.Interfaces;
 using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
+
-using FrostFS.SDK.ModelsV2.Enums;
 using Google.Protobuf;
+
 using Microsoft.Extensions.Options;
+
 using System.Security.Cryptography;
 
 namespace FrostFS.SDK.Tests;
@@ -17,7 +18,7 @@ public abstract class NetworkTestsBase
 
     protected IOptions<SingleOwnerClientSettings> Settings { get; set; }
 
-    protected ModelsV2.Version Version { get; set; } = new ModelsV2.Version(2, 13);
+    protected FrostFsVersion Version { get; set; } = new FrostFsVersion(2, 13);
 
     protected ECDsa ECDsaKey { get; set; }
     protected OwnerId OwnerId { get; set; }

src/FrostFS.SDK.Tests/ObjectTest.cs

@@ -4,11 +4,11 @@ using FrostFS.SDK.ClientV2.Interfaces;
 using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
+
-using FrostFS.SDK.ModelsV2.Enums;
-using FrostFS.SDK.ModelsV2.Netmap;
 using Google.Protobuf;
+
 using Microsoft.Extensions.Options;
+
 using System.Security.Cryptography;
 using System.Text;
 
@@ -38,16 +38,16 @@ public abstract class ObjectTestsBase
 
         Mocker = new ObjectMocker(key)
         {
-            PlacementPolicy = new PlacementPolicy(true, new Replica(1)),
+            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
-            Version = new ModelsV2.Version(2, 13),
+            Version = new FrostFsVersion(2, 13),
             ContainerGuid = Guid.NewGuid()
         };
 
         ContainerId = new ContainerId(Base58.Encode(Mocker.ContainerGuid.ToBytes()));
 
-        Mocker.ObjectHeader = new(ContainerId, ModelsV2.Enums.ObjectType.Regular, [new ObjectAttribute("k", "v")])
+        Mocker.ObjectHeader = new(ContainerId, FrostFsObjectType.Regular, [new ObjectAttribute("k", "v")])
         {           
-            Version = new ModelsV2.Version(2, 13),
+            Version = new FrostFsVersion(2, 13),
             OwnerId = OwnerId.FromKey(ecdsaKey)
         };
     }
@@ -76,7 +76,7 @@ public class ObjectTest : ObjectTestsBase
         var ctx = new Context {
                 Key = ecdsaKey, 
                 OwnerId = OwnerId.FromKey(ecdsaKey), 
-                Version = new ModelsV2.Version(2, 13) };
+                Version = new FrostFsVersion(2, 13) };
 
         var objectId = client.CalculateObjectId(Mocker.ObjectHeader!, ctx);
                
@@ -256,7 +256,7 @@ public class ObjectTest : ObjectTestsBase
      
         Assert.Equal(Mocker.HeadResponse!.PayloadLength, response.PayloadLength);
 
-        Assert.Equal(ObjectType.Regular, response.ObjectType);
+        Assert.Equal(FrostFsObjectType.Regular, response.ObjectType);
 
         Assert.Single(response.Attributes);
 

src/FrostFS.SDK.Tests/SessionTests.cs

@@ -4,9 +4,9 @@ using FrostFS.SDK.ClientV2.Mappers.GRPC;
 using FrostFS.SDK.ClientV2.Mappers.GRPC.Netmap;
 using FrostFS.SDK.ClientV2.Parameters;
 using FrostFS.SDK.Cryptography;
-using FrostFS.SDK.ModelsV2;
+
-using FrostFS.SDK.ModelsV2.Netmap;
 using Microsoft.Extensions.Options;
+
 using System.Security.Cryptography;
 
 namespace FrostFS.SDK.Tests;
@@ -35,8 +35,8 @@ public abstract class SessionTestsBase
 
         Mocker = new SessionMocker(this.key)
         {
-            PlacementPolicy = new PlacementPolicy(true, new Replica(1)),
+            PlacementPolicy = new FrostFsPlacementPolicy(true, new FrostFsReplica(1)),
-            Version = new ModelsV2.Version(2, 13)
+            Version = new FrostFsVersion(2, 13)
         };
     }
 

src/FrostFS.SDK.Tests/SmokeTests.cs

@@ -1,9 +1,6 @@
 using System.Security.Cryptography;
 using FrostFS.SDK.ClientV2;
 using FrostFS.SDK.ClientV2.Interfaces;
-using FrostFS.SDK.ModelsV2;
-using FrostFS.SDK.ModelsV2.Enums;
-using FrostFS.SDK.ModelsV2.Netmap;
 using FrostFS.SDK.Cryptography;
 
 using Grpc.Core;
@@ -26,7 +23,7 @@ public abstract class SmokeTestsBase
 
     protected OwnerId OwnerId { get; }
 
-    protected ModelsV2.Version Version { get; }
+    protected FrostFsVersion Version { get; }
 
     protected Context Ctx { get; }
 
@@ -34,7 +31,7 @@ public abstract class SmokeTestsBase
     {
         Key = key.LoadWif();
         OwnerId = OwnerId.FromKey(Key);
-        Version = new ModelsV2.Version(2, 13);
+        Version = new FrostFsVersion(2, 13);
 
         Ctx = new Context { Key = Key, OwnerId = OwnerId, Version = Version };
     }
@@ -134,7 +131,7 @@ public class SmokeTests : SmokeTestsBase
         var token = await client.CreateSessionAsync(new PrmSessionCreate(int.MaxValue));
 
         var createContainerParam = new PrmContainerCreate(
-            new ModelsV2.Container(BasicAcl.PublicRW, new PlacementPolicy(true, new Replica(1))));
+            new FrostFsContainer(BasicAcl.PublicRW, new FrostFsPlacementPolicy(true, new FrostFsReplica(1))));
 
         createContainerParam.XHeaders.Add("key1", "value1");
 
@@ -146,7 +143,7 @@ public class SmokeTests : SmokeTestsBase
         {
             Header = new ObjectHeader(
                 containerId: containerId,
-                type: ModelsV2.Enums.ObjectType.Regular,
+                type: FrostFsObjectType.Regular,
                 new ObjectAttribute("fileName", "test")),
             Payload = new MemoryStream(bytes),
             ClientCut = false,
@@ -160,10 +157,10 @@ public class SmokeTests : SmokeTestsBase
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
 
-        byte[]? chunk = null;
+        ReadOnlyMemory<byte>? chunk = null;
         while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
         {
-            ms.Write(chunk);
+            ms.Write(chunk.Value.Span);
         }
 
         Assert.Equal(MD5.HashData(bytes), MD5.HashData(downloadedBytes));
@@ -179,7 +176,7 @@ public class SmokeTests : SmokeTestsBase
         await Cleanup(client);
 
         var createContainerParam = new PrmContainerCreate(
-           new ModelsV2.Container(BasicAcl.PublicRW, new PlacementPolicy(true, new Replica(1))))
+           new FrostFsContainer(BasicAcl.PublicRW, new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
         {
             WaitParams = lightWait
         };
@@ -190,7 +187,7 @@ public class SmokeTests : SmokeTestsBase
 
         var ParentHeader = new ObjectHeader(
                 containerId: containerId,
-                type: ModelsV2.Enums.ObjectType.Regular)
+                type: FrostFsObjectType.Regular)
         {
             PayloadLength = 3
         };
@@ -199,7 +196,7 @@ public class SmokeTests : SmokeTestsBase
         {
             Header = new ObjectHeader(
                 containerId: containerId,
-                type: ModelsV2.Enums.ObjectType.Regular,
+                type: FrostFsObjectType.Regular,
                 new ObjectAttribute("fileName", "test"))
             {
                 Split = new Split(),
@@ -216,25 +213,25 @@ public class SmokeTests : SmokeTestsBase
 
         var networkInfo = await client.GetNetmapSnapshotAsync();
 
-        await CheckFilter(client, containerId, new FilterByContainerId(ObjectMatchType.Equals, containerId));
+        await CheckFilter(client, containerId, new FilterByContainerId(FrostFsObjectMatchType.Equals, containerId));
 
-        await CheckFilter(client, containerId, new FilterByOwnerId(ObjectMatchType.Equals, OwnerId.FromKey(ecdsaKey)));
+        await CheckFilter(client, containerId, new FilterByOwnerId(FrostFsObjectMatchType.Equals, OwnerId.FromKey(ecdsaKey)));
 
-        await CheckFilter(client, containerId, new FilterBySplitId(ObjectMatchType.Equals, param.Header.Split.SplitId));
+        await CheckFilter(client, containerId, new FilterBySplitId(FrostFsObjectMatchType.Equals, param.Header.Split.SplitId));
 
-        await CheckFilter(client, containerId, new FilterByAttribute(ObjectMatchType.Equals, "fileName", "test"));
+        await CheckFilter(client, containerId, new FilterByAttribute(FrostFsObjectMatchType.Equals, "fileName", "test"));
 
-        await CheckFilter(client, containerId, new FilterByObjectId(ObjectMatchType.Equals, objectId));
+        await CheckFilter(client, containerId, new FilterByObjectId(FrostFsObjectMatchType.Equals, objectId));
 
-        await CheckFilter(client, containerId, new FilterByVersion(ObjectMatchType.Equals, networkInfo.NodeInfoCollection[0].Version));
+        await CheckFilter(client, containerId, new FilterByVersion(FrostFsObjectMatchType.Equals, networkInfo.NodeInfoCollection[0].Version));
 
-        await CheckFilter(client, containerId, new FilterByEpoch(ObjectMatchType.Equals, networkInfo.Epoch));
+        await CheckFilter(client, containerId, new FilterByEpoch(FrostFsObjectMatchType.Equals, networkInfo.Epoch));
 
-        await CheckFilter(client, containerId, new FilterByPayloadLength(ObjectMatchType.Equals, 3));
+        await CheckFilter(client, containerId, new FilterByPayloadLength(FrostFsObjectMatchType.Equals, 3));
 
         var checkSum = CheckSum.CreateCheckSum(bytes);
 
-        await CheckFilter(client, containerId, new FilterByPayloadHash(ObjectMatchType.Equals, checkSum));
+        await CheckFilter(client, containerId, new FilterByPayloadHash(FrostFsObjectMatchType.Equals, checkSum));
 
         await CheckFilter(client, containerId, new FilterByPhysicallyStored());
     }
@@ -276,7 +273,7 @@ public class SmokeTests : SmokeTestsBase
         };
 
         var createContainerParam = new PrmContainerCreate(
-            new ModelsV2.Container(BasicAcl.PublicRW, new PlacementPolicy(true, new Replica(1))))
+            new FrostFsContainer(BasicAcl.PublicRW, new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
         {
             Context = ctx
         };
@@ -293,7 +290,7 @@ public class SmokeTests : SmokeTestsBase
         {
             Header = new ObjectHeader(
                 containerId: containerId,
-                type: ModelsV2.Enums.ObjectType.Regular,
+                type: FrostFsObjectType.Regular,
                 new ObjectAttribute("fileName", "test")),
             Payload = new MemoryStream(bytes),
             ClientCut = false,
@@ -305,7 +302,7 @@ public class SmokeTests : SmokeTestsBase
 
         var objectId = await client.PutObjectAsync(param);
 
-        var filter = new FilterByAttribute(ObjectMatchType.Equals, "fileName", "test");
+        var filter = new FilterByAttribute(FrostFsObjectMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
         await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(containerId) { Filters = [filter] }))
@@ -326,10 +323,10 @@ public class SmokeTests : SmokeTestsBase
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
 
-        byte[]? chunk = null;
+        ReadOnlyMemory<byte>? chunk = null;
         while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
         {
-            ms.Write(chunk);
+            ms.Write(chunk.Value.Span);
         }
 
         Assert.Equal(MD5.HashData(bytes), MD5.HashData(downloadedBytes));
@@ -361,7 +358,7 @@ public class SmokeTests : SmokeTestsBase
         };
 
         var createContainerParam = new PrmContainerCreate(
-            new ModelsV2.Container(BasicAcl.PublicRW, new PlacementPolicy(true, new Replica(1))))
+            new FrostFsContainer(BasicAcl.PublicRW, new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
         {
             Context = ctx
         };
@@ -377,7 +374,7 @@ public class SmokeTests : SmokeTestsBase
         {
             Header = new ObjectHeader(
                 containerId: containerId,
-                type: ModelsV2.Enums.ObjectType.Regular,
+                type: FrostFsObjectType.Regular,
                 new ObjectAttribute("fileName", "test")),
             Payload = new MemoryStream(bytes),
             ClientCut = false,
@@ -390,7 +387,7 @@ public class SmokeTests : SmokeTestsBase
 
         var objectId = await client.PutObjectAsync(param);
 
-        var filter = new FilterByAttribute(ObjectMatchType.Equals, "fileName", "test");
+        var filter = new FilterByAttribute(FrostFsObjectMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
         await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(containerId) { Filters = [filter], SessionToken = token }))
@@ -411,10 +408,10 @@ public class SmokeTests : SmokeTestsBase
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
 
-        byte[]? chunk = null;
+        ReadOnlyMemory<byte>? chunk = null;
         while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
         {
-            ms.Write(chunk);
+            ms.Write(chunk.Value.Span);
         }
 
         Assert.Equal(MD5.HashData(bytes), MD5.HashData(downloadedBytes));
@@ -440,7 +437,7 @@ public class SmokeTests : SmokeTestsBase
 
         await Cleanup(client);
 
-        var createContainerParam = new PrmContainerCreate(new ModelsV2.Container(BasicAcl.PublicRW, new PlacementPolicy(true, new Replica(1))))
+        var createContainerParam = new PrmContainerCreate(new FrostFsContainer(BasicAcl.PublicRW, new FrostFsPlacementPolicy(true, new FrostFsReplica(1))))
         {
             WaitParams = lightWait
         };
@@ -463,7 +460,7 @@ public class SmokeTests : SmokeTestsBase
         {
             Header = new ObjectHeader(
                 containerId: containerId,
-                type: ModelsV2.Enums.ObjectType.Regular,
+                type: FrostFsObjectType.Regular,
                 new ObjectAttribute("fileName", "test")),
             Payload = new MemoryStream(bytes),
             ClientCut = true
@@ -471,7 +468,7 @@ public class SmokeTests : SmokeTestsBase
 
         var objectId = await client.PutObjectAsync(param);
 
-        var filter = new FilterByAttribute(ObjectMatchType.Equals, "fileName", "test");
+        var filter = new FilterByAttribute(FrostFsObjectMatchType.Equals, "fileName", "test");
 
         bool hasObject = false;
         await foreach (var objId in client.SearchObjectsAsync(new PrmObjectSearch(containerId, filter)))
@@ -492,10 +489,10 @@ public class SmokeTests : SmokeTestsBase
         var downloadedBytes = new byte[@object.Header.PayloadLength];
         MemoryStream ms = new(downloadedBytes);
 
-        byte[]? chunk = null;
+        ReadOnlyMemory<byte>? chunk = null;
         while ((chunk = await @object.ObjectReader!.ReadChunk()) != null)
         {
-            ms.Write(chunk);
+            ms.Write(chunk.Value.Span);
         }
 
         Assert.Equal(MD5.HashData(bytes), MD5.HashData(downloadedBytes));