diff --git a/cacheHelper.go b/cacheHelper.go
index 8f677db0c6e44399e9893a1bb6bb7b93271e3dd5..422621864c74c5da05ce0dd09236e6e63015e247 100644
--- a/cacheHelper.go
+++ b/cacheHelper.go
@@ -7,15 +7,15 @@ import (
 	"github.com/allegro/bigcache"
 )
 
-
 const (
-	BIGCACHEShards=8
-	BIGCACHEMaxEntrySize=1024
-	BIGCACHEVerbose=true
-	BIGCACHEHardMaxCacheSize=0
-	BIGCACHEMaxEntriesInWindow=1000  10  60
-	BIGCACHELifeWindow=2
+	BIGCACHEShards             = 8
+	BIGCACHEMaxEntrySize       = 1024
+	BIGCACHEVerbose            = true
+	BIGCACHEHardMaxCacheSize   = 0
+	BIGCACHEMaxEntriesInWindow = 1000 * 10 * 60
+	BIGCACHELifeWindow         = 2
 )
+
 var bigcacheConfig = bigcache.Config{
 	// number of shards (must be a power of 2)
 	// Shards: 4096,
@@ -23,7 +23,7 @@ var bigcacheConfig = bigcache.Config{
 	// time after which entry can be evicted
 	LifeWindow: BIGCACHELifeWindow * time.Hour,
 	// rps * lifeWindow, used only in initial memory allocation
-	MaxEntriesInWindow: 1000 * 10 * 60,
+	MaxEntriesInWindow: BIGCACHEMaxEntriesInWindow,
 	// MaxEntriesInWindow: 10,
 	// max entry size in bytes, used only in initial memory allocation
 	MaxEntrySize: BIGCACHEMaxEntrySize,
diff --git a/dalFDB.go b/dalFDB.go
new file mode 100644
index 0000000000000000000000000000000000000000..ab6295c04b3e79e23395519d6e717fbbd85f2d68
--- /dev/null
+++ b/dalFDB.go
@@ -0,0 +1,28 @@
+package coreos
+
+import (
+	"fmt"
+
+	"time"
+
+)
+
+//GetDataFromFDB gets data from FDB
+func GetDataFromFDB(filePath string) ([]byte, error) {
+	data, err := ReadFile(filePath)
+	return data, err
+}
+
+//SaveDataToFDB saves data to FDB
+func SaveDataToFDB(filePath string, data []byte) error {
+	err := WriteFile(filePath, data)
+	fmt.Println(err)
+	return err
+}
+
+//DeleteFileFromFDB deletes file to FDB
+func DeleteFileFromFDB(filePath string) error {
+	newFilePath := filePath + "_deleted_" + time.Now().String()
+	err := RenameFile(filePath, newFilePath)
+	return err
+}
diff --git a/dalNoSQL.go b/dalNoSQL.go
index 1b309258afa7398cd5fc8339cc375a327496df2b..4edbafd17f957297b2fcc50545fdb2377fe8dde3 100644
--- a/dalNoSQL.go
+++ b/dalNoSQL.go
@@ -16,7 +16,7 @@ func GetMongoConnection() *mgo.Session {
 		Host := []string{
 			GetConfig("MONGODSN"),
 		}
-		const (
+		var (
 			Username = ""
 			Password = ""
 			Database = GetConfig("DBNAME")
diff --git a/validationHelper.go b/validationHelper.go
index 74b785cf45268edb088fac46638c891ab1595fc9..b4b4a1251f210a7d46c00bfedf50c6c00e34537d 100644
--- a/validationHelper.go
+++ b/validationHelper.go
@@ -4,6 +4,7 @@ import (
 	"github.com/go-playground/locales/en"
 
 	ut "github.com/go-playground/universal-translator"
+	validator "gopkg.in/go-playground/validator.v9"
 	en_translations "gopkg.in/go-playground/validator.v9/translations/en"
 )