[#11] Add Network Snapshot

Signed-off-by: Pavel Gross <p.gross@yadro.com>

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

@@ -0,0 +1,40 @@
+using FrostFS.SDK.ModelsV2;
+using Grpc.Net.Client;
+using System;
+using System.Security.Cryptography;
+
+namespace FrostFS.SDK.ClientV2;
+
+public class ClientEnvironment(ECDsa key, OwnerId owner, GrpcChannel channel, ModelsV2.Version version) : IDisposable
+{
+    internal OwnerId Owner { get; } = owner;
+    internal GrpcChannel Channel { get; private set; } = channel;
+    internal ECDsa Key { get; } = key;
+    internal ModelsV2.Version Version { get; } = version;
+    internal NetworkSettings? NetworkSettings { get; set; }
+
+    internal ContainerServiceProvider? ContainerService { get; set; }
+    internal NetmapServiceProvider? NetmapService { get; set; }
+    internal SessionServiceProvider? SessionService { get; set; }
+    internal ObjectServiceProvider? ObjectService { get; set; }
+
+    internal bool Initialized => 
+        ContainerService != null
+        && NetmapService != null
+        && SessionService != null
+        && ObjectService != null;
+
+    public void Dispose()
+    {
+        Dispose(true);
+        GC.SuppressFinalize(this);
+    }
+
+    protected virtual void Dispose(bool disposing)
+    {
+        if (disposing)
+        {
+            Channel.Dispose();
+        }
+    }
+}