.NET 9

.editorconfig

@@ -26,6 +26,7 @@ indent_size = 4
 insert_final_newline = true
 trim_trailing_whitespace = true
 charset = utf-8
+dotnet_diagnostic.CA2265.severity = none
 
 # XML project files
 [*.{csproj,vbproj,vcxproj,vcxproj.filters,proj,projitems,shproj}]

src/Neo.VM/ScriptBuilder.cs

@@ -126,9 +126,9 @@ public ScriptBuilder EmitPush(bool value)
         /// <returns>A reference to this instance after the emit operation has completed.</returns>
         public ScriptBuilder EmitPush(ReadOnlySpan<byte> data)
         {
-            ReadOnlySpan<byte> nullData = null;
-            if (data == nullData)
+            if (data == null)
                 throw new ArgumentNullException(nameof(data));
+
             if (data.Length < 0x100)
             {
                 Emit(OpCode.PUSHDATA1);

src/Plugins/TokensTracker/Extensions.cs

@@ -16,7 +16,6 @@
 using System;
 using System.Collections.Generic;
 using System.Numerics;
-using static System.Runtime.InteropServices.JavaScript.JSType;
 
 namespace Neo.Plugins
 {
@@ -29,8 +28,7 @@ public static bool NotNull(this StackItem item)
 
         public static string ToBase64(this ReadOnlySpan<byte> item)
         {
-            ReadOnlySpan<byte> nullData = null;
-            return item == nullData ? System.String.Empty : Convert.ToBase64String(item);
+            return item == null ? String.Empty : Convert.ToBase64String(item);
         }
 
         public static int GetVarSize(this ByteString item)