[#23] Client: Refactoring to optimize memory usage

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

src/FrostFS.SDK.Tests/SmokeTestsBase.cs

@@ -0,0 +1,29 @@
+using System.Security.Cryptography;
+
+using FrostFS.SDK.ClientV2;
+using FrostFS.SDK.Cryptography;
+
+namespace FrostFS.SDK.SmokeTests;
+
+public abstract class SmokeTestsBase
+{
+    protected readonly string key = "KwHDAJ66o8FoLBjVbjP2sWBmgBMGjt7Vv4boA7xQrBoAYBE397Aq";
+    protected readonly string url = "http://172.23.32.4:8080";
+
+    protected ECDsa Key { get; }
+
+    protected FrostFsOwner OwnerId { get; }
+
+    protected FrostFsVersion Version { get; }
+
+    protected Context Ctx { get; }
+
+    protected SmokeTestsBase()
+    {
+        Key = key.LoadWif();
+        OwnerId = FrostFsOwner.FromKey(Key);
+        Version = new FrostFsVersion(2, 13);
+
+        Ctx = new Context { Key = Key, OwnerId = OwnerId, Version = Version };
+    }
+}