Release Vexta CPU Miner v0.1.2

VextaRandomX.cs

@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using System.Threading;
 using System.Collections.Concurrent;
 using System.Collections.Generic;
@@ -9,6 +10,51 @@ namespace Vexta.CpuMiner;
 
 public static unsafe class VextaRandomX
 {
+    private static IntPtr nativeLibraryHandle = IntPtr.Zero;
+
+    public static string? NativeLibraryPath { get; private set; }
+
+    public static bool NativeLibraryLoaded => nativeLibraryHandle != IntPtr.Zero;
+
+    static VextaRandomX()
+    {
+        if(RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+        {
+            var libraryPath = Path.Combine(AppContext.BaseDirectory, "librandomx.so");
+
+            if(!File.Exists(libraryPath))
+                throw new DllNotFoundException(
+                    $"RandomX library was not found at '{libraryPath}'.");
+
+            try
+            {
+                nativeLibraryHandle = NativeLibrary.Load(libraryPath);
+                NativeLibraryPath = libraryPath;
+            }
+            catch(Exception ex)
+            {
+                throw new DllNotFoundException(
+                    $"Unable to load RandomX library from '{libraryPath}': {ex.Message}",
+                    ex);
+            }
+
+            NativeLibrary.SetDllImportResolver(
+                typeof(VextaRandomX).Assembly,
+                (libraryName, assembly, searchPath) =>
+                {
+                    if(string.Equals(
+                        libraryName,
+                        "librandomx",
+                        StringComparison.Ordinal))
+                    {
+                        return nativeLibraryHandle;
+                    }
+
+                    return IntPtr.Zero;
+                });
+        }
+    }
+
     [Flags]
     public enum RandomXFlags
     {