Adjusting gas cost

rsksmart · Dec 9, 2024 · be19790 · be19790
1 parent fcc9294
commit be19790
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Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/rskj-core/src/main/java/org/ethereum/vm/OpCode.java b/rskj-core/src/main/java/org/ethereum/vm/OpCode.java
@@ -331,7 +331,7 @@ public enum OpCode {
     /**
      * (0x5e) Memory copying instruction
      */
-    MCOPY(0x5e, 3, 0, ZERO_TIER),
+    MCOPY(0x5e, 3, 0, VERY_LOW_TIER),
 
     /*  Push Operations */
     /**

diff --git a/rskj-core/src/main/java/org/ethereum/vm/VM.java b/rskj-core/src/main/java/org/ethereum/vm/VM.java
@@ -773,7 +773,8 @@ private long computeMemoryCopyGas() {
         long copySize = Program.limitToMaxLong(length);
         checkSizeArgument(copySize);
         long newMemSize = memNeeded(offset, copySize);
-        return GasCost.add(calcMemGas(oldMemSize, newMemSize, copySize), GasCost.MEMORY);
+        // Note: 3 additional units are added outside because of the "Very Low Tier" configuration
+        return calcMemGas(oldMemSize, newMemSize, copySize);
     }
 
     protected void doCODESIZE() {