[#1] Fix comments and error messages

Signed-off-by: Stanislav Bogatyrev <s.bogatyrev@yadro.com>

pkg/local_object_storage/blobovnicza/blobovnicza.go

@@ -11,7 +11,7 @@ import (
 	"go.uber.org/zap"
 )
 
-// Blobovnicza represents the implementation of NeoFS Blobovnicza.
+// Blobovnicza represents the implementation of FrostFS Blobovnicza.
 type Blobovnicza struct {
 	cfg
 

pkg/local_object_storage/blobstor/blobstor.go

@@ -17,7 +17,7 @@ type SubStorage struct {
 	Policy  func(*objectSDK.Object, []byte) bool
 }
 
-// BlobStor represents NeoFS local BLOB storage.
+// BlobStor represents FrostFS local BLOB storage.
 type BlobStor struct {
 	cfg
 

pkg/local_object_storage/engine/engine.go

@@ -13,7 +13,7 @@ import (
 	"go.uber.org/zap"
 )
 
-// StorageEngine represents NeoFS local storage engine.
+// StorageEngine represents FrostFS local storage engine.
 type StorageEngine struct {
 	*cfg
 

pkg/local_object_storage/metabase/inhume.go

@@ -122,7 +122,7 @@ func (db *DB) Inhume(prm InhumePrm) (res InhumeRes, err error) {
 			bkt = graveyardBKT
 			tombKey := addressKey(*prm.tomb, make([]byte, addressKeySize))
 
-			// it is forbidden to have a tomb-on-tomb in NeoFS,
+			// it is forbidden to have a tomb-on-tomb in FrostFS,
 			// so graveyard keys must not be addresses of tombstones
 			data := bkt.Get(tombKey)
 			if data != nil {

pkg/local_object_storage/shard/gc.go

@@ -15,10 +15,10 @@ import (
 )
 
 // TombstoneSource is an interface that checks
-// tombstone status in the NeoFS network.
+// tombstone status in the FrostFS network.
 type TombstoneSource interface {
 	// IsTombstoneAvailable must return boolean value that means
-	// provided tombstone's presence in the NeoFS network at the
+	// provided tombstone's presence in the FrostFS network at the
 	// time of the passed epoch.
 	IsTombstoneAvailable(ctx context.Context, addr oid.Address, epoch uint64) bool
 }

pkg/local_object_storage/shard/shard.go

@@ -16,7 +16,7 @@ import (
 	"go.uber.org/zap"
 )
 
-// Shard represents single shard of NeoFS Local Storage Engine.
+// Shard represents single shard of FrostFS Local Storage Engine.
 type Shard struct {
 	*cfg