- fixed timeCacher

- added compiling protection to all cachers

lrucache/lrucache.go

@@ -12,6 +12,7 @@ import (
 var _ types.Cacher = (*lruCache)(nil)
 
 var log = logger.GetOrCreate("storage/lrucache")
+var _ types.Cacher = (*lruCache)(nil)
 
 // LRUCache implements a Least Recently Used eviction cache
 type lruCache struct {

rtcache/removalTrackingCache.go

@@ -17,6 +17,8 @@ type removalTrackingCache struct {
 	removalCache    types.Cacher
 }
 
+var _ types.Cacher = (*removalTrackingCache)(nil)
+
 // NewRemovalTrackingCache will create a new instance of a cache that is able to track removal events
 func NewRemovalTrackingCache(mainCache types.Cacher, removalCache types.Cacher) (*removalTrackingCache, error) {
 	if check.IfNil(mainCache) {

storageCacherAdapter/storageCacherAdapter.go

@@ -12,6 +12,7 @@ import (
 )
 
 var log = logger.GetOrCreate("storageCacherAdapter")
+var _ types.Cacher = (*storageCacherAdapter)(nil)
 
 type storageCacherAdapter struct {
 	cacher     types.AdaptedSizedLRUCache

timecache/timeCacher.go

@@ -8,9 +8,11 @@ import (
 
 	logger "github.com/multiversx/mx-chain-logger-go"
 	"github.com/multiversx/mx-chain-storage-go/common"
+	"github.com/multiversx/mx-chain-storage-go/types"
 )
 
 var log = logger.GetOrCreate("storage/timecache")
+var _ types.Cacher = (*timeCacher)(nil)
 
 const minDuration = time.Second
 
@@ -206,6 +208,11 @@ func (tc *timeCacher) callAddedDataHandlers(key []byte, value interface{}) {
 	tc.mutAddedDataHandlers.RUnlock()
 }
 
+// GetRemovalStatus will return the unknown status because this implementation does not track removed keys
+func (c *timeCacher) GetRemovalStatus(_ []byte) types.RemovalStatus {
+	return types.UnknownRemovalStatus
+}
+
 // Close will close the internal sweep go routine
 func (tc *timeCacher) Close() error {
 	if tc.cancelFunc != nil {

timecache/timeCacher_test.go

@@ -12,6 +12,7 @@ import (
 
 	"github.com/multiversx/mx-chain-storage-go/common"
 	"github.com/multiversx/mx-chain-storage-go/timecache"
+	"github.com/multiversx/mx-chain-storage-go/types"
 	"github.com/stretchr/testify/assert"
 )
 
@@ -363,6 +364,13 @@ func TestTimeCacher_MaxSize(t *testing.T) {
 	assert.Equal(t, math.MaxInt32, cacher.MaxSize())
 }
 
+func TestTimeCacher_GetRemovalStatus(t *testing.T) {
+	t.Parallel()
+
+	cacher, _ := timecache.NewTimeCacher(createArgTimeCacher())
+	assert.Equal(t, types.UnknownRemovalStatus, cacher.GetRemovalStatus(nil))
+}
+
 func TestTimeCacher_ConcurrentOperations(t *testing.T) {
 	t.Parallel()