service: refactor MetaHeader interface

service/epoch_test.go

@@ -0,0 +1,21 @@
+package service
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetSetEpoch(t *testing.T) {
+	v := uint64(5)
+
+	items := []EpochContainer{
+		new(ResponseMetaHeader),
+		new(RequestMetaHeader),
+	}
+
+	for _, item := range items {
+		item.SetEpoch(v)
+		require.Equal(t, v, item.GetEpoch())
+	}
+}