[#211] localstorage: Define blobovnicza ID

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/local_object_storage/blobovnicza/id.go

@@ -0,0 +1,17 @@
+package blobovnicza
+
+import (
+	"github.com/google/uuid"
+)
+
+// ID represents Blobovnicza identifier.
+type ID uuid.UUID
+
+// NewIDFromUUID constructs ID from UUID instance.
+func NewIDFromUUID(uid uuid.UUID) *ID {
+	return (*ID)(&uid)
+}
+
+func (id ID) String() string {
+	return (uuid.UUID)(id).String()
+}