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-rw-r--r--core/vm/interface.go1
1 files changed, 1 insertions, 0 deletions
diff --git a/core/vm/interface.go b/core/vm/interface.go
index d176f5b39..a5a3ff3e3 100644
--- a/core/vm/interface.go
+++ b/core/vm/interface.go
@@ -40,6 +40,7 @@ type StateDB interface {
GetCodeSize(common.Address) int
AddRefund(uint64)
+ SubRefund(uint64)
GetRefund() uint64
GetState(common.Address, common.Hash) common.Hash