Allow retrieving memory traces that are unconstrained in size (#6649)

NethermindEth · Feb 2, 2024 · fcc242f · fcc242f
1 parent 4090798
commit fcc242f
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/src/Nethermind/Nethermind.Evm/Tracing/TraceMemory.cs b/src/Nethermind/Nethermind.Evm/Tracing/TraceMemory.cs
@@ -46,7 +46,7 @@ public string[] ToHexWordList()
     }
 
     private const int MemoryPadLimit = 1024 * 1024;
-    public ReadOnlySpan<byte> Slice(int start, int length)
+    public ReadOnlySpan<byte> Slice(int start, int length, bool limit = true)
     {
         ArgumentOutOfRangeException.ThrowIfNegative(start, nameof(start));
         ArgumentOutOfRangeException.ThrowIfNegative(length, nameof(length));
@@ -55,8 +55,11 @@ public ReadOnlySpan<byte> Slice(int start, int length)
 
         if (start + length > span.Length)
         {
-            int paddingNeeded = start + length - span.Length;
-            if (paddingNeeded > MemoryPadLimit) throw new InvalidOperationException($"reached limit for padding memory slice: {paddingNeeded}");
+            if (limit)
+            {
+                int paddingNeeded = start + length - span.Length;
+                if (paddingNeeded > MemoryPadLimit) throw new InvalidOperationException($"reached limit for padding memory slice: {paddingNeeded}");
+            }
             byte[] result = new byte[length];
             int overlap = span.Length - start;
             if (overlap > 0)