Plugins can load assemblies from their dependent plugins (#6851)

BTCPayServer/Plugins/Dotnet/Internal/PlatformInformation.cs

@@ -0,0 +1,47 @@
+// Copyright (c) Nate McMaster.
+// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
+
+using System;
+using System.Diagnostics;
+using System.Runtime.InteropServices;
+
+namespace BTCPayServer.Plugins.Dotnet.Internal
+{
+    internal class PlatformInformation
+    {
+        public static readonly string[] NativeLibraryExtensions;
+        public static readonly string[] NativeLibraryPrefixes;
+        public static readonly string[] ManagedAssemblyExtensions = new[]
+        {
+                ".dll",
+                ".ni.dll",
+                ".exe",
+                ".ni.exe"
+        };
+
+        static PlatformInformation()
+        {
+            if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
+            {
+                NativeLibraryPrefixes = new[] { "" };
+                NativeLibraryExtensions = new[] { ".dll" };
+            }
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+            {
+                NativeLibraryPrefixes = new[] { "", "lib", };
+                NativeLibraryExtensions = new[] { ".dylib" };
+            }
+            else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
+            {
+                NativeLibraryPrefixes = new[] { "", "lib" };
+                NativeLibraryExtensions = new[] { ".so", ".so.1" };
+            }
+            else
+            {
+                Debug.Fail("Unknown OS type");
+                NativeLibraryPrefixes = Array.Empty<string>();
+                NativeLibraryExtensions = Array.Empty<string>();
+            }
+        }
+    }
+}