[#426] cmd/neofs-node: Refactor object service pipeline set up

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

cmd/neofs-node/object.go

@@ -298,9 +298,31 @@ func initObjectService(c *cfg) {
 		deletesvcV2.WithKeyStorage(keyStorage),
 	)
 
-	objectGRPC.RegisterObjectServiceServer(c.cfgGRPC.server,
+	// build service pipeline
-		objectTransportGRPC.New(
+	// grpc | acl | signature | response | split
-			acl.New(
+
+	splitSvc := objectService.NewTransportSplitter(
+		c.cfgGRPC.maxChunkSize,
+		c.cfgGRPC.maxAddrAmount,
+		&objectSvc{
+			put:    sPutV2,
+			search: sSearchV2,
+			get:    sGetV2,
+			delete: sDeleteV2,
+		},
+	)
+
+	respSvc := objectService.NewResponseService(
+		splitSvc,
+		c.respSvc,
+	)
+
+	signSvc := objectService.NewSignService(
+		c.key,
+		respSvc,
+	)
+
+	aclSvc := acl.New(
 		acl.WithSenderClassifier(
 			acl.NewSenderClassifier(
 				c.log,
@@ -311,24 +333,7 @@ func initObjectService(c *cfg) {
 		acl.WithContainerSource(
 			c.cfgObject.cnrStorage,
 		),
-				acl.WithNextService(
+		acl.WithNextService(signSvc),
-					objectService.NewSignService(
-						c.key,
-						objectService.NewResponseService(
-							objectService.NewTransportSplitter(
-								c.cfgGRPC.maxChunkSize,
-								c.cfgGRPC.maxAddrAmount,
-								&objectSvc{
-									put:    sPutV2,
-									search: sSearchV2,
-									get:    sGetV2,
-									delete: sDeleteV2,
-								},
-							),
-							c.respSvc,
-						),
-					),
-				),
 		acl.WithLocalStorage(ls),
 		acl.WithEACLValidatorOptions(
 			eacl.WithEACLStorage(newCachedEACLStorage(&morphEACLStorage{
@@ -337,8 +342,10 @@ func initObjectService(c *cfg) {
 			eacl.WithLogger(c.log),
 		),
 		acl.WithNetmapState(c.cfgNetmap.state),
-			),
+	)
-		),
+
+	objectGRPC.RegisterObjectServiceServer(c.cfgGRPC.server,
+		objectTransportGRPC.New(aclSvc),
 	)
 }