no materliazation for sstore

Author: Scooletz

src/Nethermind/Nethermind.Core/StorageValue.cs

@@ -137,6 +137,8 @@ ref Unsafe.Add(ref Unsafe.As<Vector256<byte>, byte>(ref Unsafe.AsRef(in _bytes))
         }
     }
 
+    public byte[] ToArray() => BytesWithNoLeadingZeroes.ToArray();
+
     public static bool operator ==(StorageValue left, StorageValue right) => left.Equals(right);
 
     public static bool operator !=(StorageValue left, StorageValue right) => !left.Equals(right);
@@ -148,8 +150,6 @@ ref Unsafe.Add(ref Unsafe.As<Vector256<byte>, byte>(ref Unsafe.AsRef(in _bytes))
 
     public override string ToString() => ToHexString(false);
 
-    public byte[] ToArray() => BytesWithNoLeadingZeroes.ToArray();
-
     public static StorageValue FromHexString(ReadOnlySpan<byte> hex)
     {
         const int maxChars = MemorySize * 2;

src/Nethermind/Nethermind.Evm/Instructions/EvmInstructions.Storage.cs

@@ -492,7 +492,7 @@ internal static EvmExceptionType InstructionSStore<TTracingInstructions>(Virtual
         // Only update storage if the new value differs from the current value.
         if (!newSameAsCurrent)
         {
-            vm.WorldState.Set(in storageCell, newIsZero ? BytesZero : value.ToArray());
+            vm.WorldState.Set(in storageCell, value);
         }
 
         // Report storage changes for tracing if enabled.