Additional fees for *COPY

10 years ago · d33987cb44
parent 6dc46d3341
commit d33987cb44
1 changed files with 6 additions and 0 deletions
--- a/vm/vm_debug.go
+++ b/vm/vm_debug.go
@ -264,6 +264,12 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
 			newMemSize.Div(newMemSize, u256(32))
 			newMemSize.Mul(newMemSize, u256(32))

+			switch op {
+			// Additional gas usage on *CODPY
+			case CALLDATACOPY, CODECOPY, EXTCODECOPY:
+				addStepGasUsage(new(big.Int).Div(newMemSize, u256(32)))
+			}
+
 			if newMemSize.Cmp(u256(int64(mem.Len()))) > 0 {
 				memGasUsage := new(big.Int).Sub(newMemSize, u256(int64(mem.Len())))
 				memGasUsage.Mul(GasMemory, memGasUsage)