Fix lint error: should replace loop

3 files changed, 3 insertions, 11 deletions

diff --git a/dex/consensus/common/logger.go b/dex/consensus/common/logger.go
index 3328e939a..31fd3fdb6 100644
--- a/dex/consensus/common/logger.go
+++ b/dex/consensus/common/logger.go
@@ -64,11 +64,7 @@ type SimpleLogger struct{}
 
 // composeVargs makes (msg, ctx...) could be pass to log.Println
 func composeVargs(msg string, ctxs []interface{}) []interface{} {
-	args := []interface{}{msg}
-	for _, c := range ctxs {
-		args = append(args, c)
-	}
-	return args
+	return append([]interface{}{msg}, ctxs...)
 }
 
 // Trace implements Logger interface.
diff --git a/dex/consensus/core/test/state.go b/dex/consensus/core/test/state.go
index ddcd2d83a..0564ddd04 100644
--- a/dex/consensus/core/test/state.go
+++ b/dex/consensus/core/test/state.go
@@ -531,9 +531,7 @@ func (s *State) Clone() (copied *State) {
 			copied.dkgSuccesses[round][nID] = CloneDKGSuccess(success)
 		}
 	}
-	for _, crs := range s.crs {
-		copied.crs = append(copied.crs, crs)
-	}
+	copied.crs = append(copied.crs, s.crs...)
 	copied.dkgResetCount = make(map[uint64]uint64, len(s.dkgResetCount))
 	for round, count := range s.dkgResetCount {
 		copied.dkgResetCount[round] = count
diff --git a/dex/consensus/core/utils.go b/dex/consensus/core/utils.go
index f04e9e244..428df2fe7 100644
--- a/dex/consensus/core/utils.go
+++ b/dex/consensus/core/utils.go
@@ -104,9 +104,7 @@ func getMedianTime(timestamps []time.Time) (t time.Time, err error) {
 		return
 	}
 	tscopy := make([]time.Time, 0, len(timestamps))
-	for _, ts := range timestamps {
-		tscopy = append(tscopy, ts)
-	}
+	tscopy = append(tscopy, timestamps...)
 	sort.Sort(common.ByTime(tscopy))
 	if len(tscopy)%2 == 0 {
 		t1 := tscopy[len(tscopy)/2-1]