From 3a1921118e9232c9b44b40b7a1d716f9d71feffb Mon Sep 17 00:00:00 2001
From: Lin Corey <corey.1.lin@nokia-sbell.com>
Date: Thu, 1 Nov 2018 14:12:33 +0800
Subject: [PATCH] GetRefund function: sync.Mutex is passed by value. It is
 better to pass it as pointer.

---
 core/vm/logger_test.go     | 2 +-
 eth/tracers/tracer_test.go | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/vm/logger_test.go b/core/vm/logger_test.go
index cba7c7a0ef..2ea7535a79 100644
--- a/core/vm/logger_test.go
+++ b/core/vm/logger_test.go
@@ -46,7 +46,7 @@ type dummyStatedb struct {
 	state.StateDB
 }
 
-func (dummyStatedb) GetRefund() uint64 { return 1337 }
+func (*dummyStatedb) GetRefund() uint64 { return 1337 }
 
 func TestStoreCapture(t *testing.T) {
 	var (
diff --git a/eth/tracers/tracer_test.go b/eth/tracers/tracer_test.go
index 52f29c83fc..a45a121159 100644
--- a/eth/tracers/tracer_test.go
+++ b/eth/tracers/tracer_test.go
@@ -48,7 +48,7 @@ type dummyStatedb struct {
 	state.StateDB
 }
 
-func (dummyStatedb) GetRefund() uint64 { return 1337 }
+func (*dummyStatedb) GetRefund() uint64 { return 1337 }
 
 func runTrace(tracer *Tracer) (json.RawMessage, error) {
 	env := vm.NewEVM(vm.Context{BlockNumber: big.NewInt(1)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})