[#60] Wallet tools in SDK

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

src/FrostFS.SDK.Tests/TestData/wallet.json

@@ -0,0 +1,30 @@
+{
+  "version": "1.0",
+  "accounts": [
+    {
+      "address": "NWeByJPgNC97F83hTUnSbnZSBKaFvk5HNw",
+      "key": "6PYVCcS2yp89JpcfR61FGhdhhzyYjSErNedmpZErnybNTxUZMRdhzJLrek",
+      "label": "",
+      "contract": {
+        "script": "DCEDJOdiiPy5ABANAYAqFO+XfMpFrQc1YSMERt8Us0TIWLZBVuezJw==",
+        "parameters": [
+          {
+            "name": "parameter0",
+            "type": "Signature"
+          }
+        ],
+        "deployed": false
+      },
+      "lock": false,
+      "isDefault": false
+    }
+  ],
+  "scrypt": {
+    "n": 16384,
+    "r": 8,
+    "p": 8
+  },
+  "extra": {
+    "Tokens": null
+  }
+}

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

@@ -0,0 +1,25 @@
+using System.Diagnostics.CodeAnalysis;
+using System.Text;
+using FrostFS.SDK.Client;
+
+namespace FrostFS.SDK.Tests.Unit;
+
+[SuppressMessage("Reliability", "CA2007:Consider calling ConfigureAwait on the awaited task", Justification = "Default Value is correct for tests")]
+public class WalletTest : SessionTestsBase
+{
+    [Fact]
+    public void TestWallet()
+    {
+        var password = Encoding.UTF8.GetBytes("");
+
+        var d = Directory.GetCurrentDirectory();
+        var path = ".\\..\\..\\..\\TestData\\wallet.json";
+        Assert.True(File.Exists(path));
+
+        var content = File.ReadAllText(path);
+     
+        var wif = WalletTools.GetWifFromWallet(content, password);
+       
+        Assert.Equal("KzPXA6669m2pf18XmUdoR8MnP1pi1PMmefiFujStVFnv7WR5SRmK", wif);
+    }
+}