[#891] getSvc: Refactor Get service V2 creation

Use arguments for mandatory fields.

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

cmd/frostfs-node/object.go

@@ -372,13 +372,12 @@ func createGetService(c *cfg, keyStorage *util.KeyStorage, traverseGen *util.Tra
 
 func createGetServiceV2(c *cfg, sGet *getsvc.Service, keyStorage *util.KeyStorage) *getsvcV2.Service {
 	return getsvcV2.NewService(
-		getsvcV2.WithInternalService(sGet),
+		sGet,
-		getsvcV2.WithKeyStorage(keyStorage),
+		keyStorage,
-		getsvcV2.WithEpochSource(c.netMapSource),
+		c.clientCache,
-		getsvcV2.WithClientSource(c.clientCache),
+		c.netMapSource,
-		getsvcV2.WithContainerSource(c.cfgObject.cnrSource),
+		c,
-		getsvcV2.WithNetmapSource(c.netMapSource),
+		c.cfgObject.cnrSource,
-		getsvcV2.WithNetmapAnnouncedKeys(c),
 		getsvcV2.WithLogger(c.log),
 	)
 }

pkg/services/object/get/v2/get_range_hash.go

@@ -71,7 +71,7 @@ func (s *Service) needToForwardGetRangeHashRequest(req *objectV2.GetRangeHashReq
 		return result, fmt.Errorf("(%T) could not get container: %w", s, err)
 	}
 
-	epoch, err := s.epochSource.Epoch()
+	epoch, err := s.netmapSource.Epoch()
 	if err != nil {
 		return result, fmt.Errorf("(%T) could not get epoch: %w", s, err)
 	}

pkg/services/object/get/v2/service.go

@@ -24,10 +24,6 @@ type Service struct {
 // Option represents Service constructor option.
 type Option func(*cfg)
 
-type epochSource interface {
-	Epoch() (uint64, error)
-}
-
 type clientSource interface {
 	Get(info clientcore.NodeInfo) (clientcore.MultiAddressClient, error)
 }
@@ -37,8 +33,6 @@ type cfg struct {
 
 	keyStorage *objutil.KeyStorage
 
-	epochSource epochSource
-
 	clientSource clientSource
 
 	netmapSource netmap.Source
@@ -51,8 +45,23 @@ type cfg struct {
 }
 
 // NewService constructs Service instance from provided options.
-func NewService(opts ...Option) *Service {
+func NewService(svc *getsvc.Service,
-	c := new(cfg)
+	keyStorage *objutil.KeyStorage,
+	clientSource clientSource,
+	netmapSource netmap.Source,
+	announcedKeys netmap.AnnouncedKeys,
+	contSource container.Source,
+	opts ...Option,
+) *Service {
+	c := &cfg{
+		svc:           svc,
+		keyStorage:    keyStorage,
+		clientSource:  clientSource,
+		netmapSource:  netmapSource,
+		announcedKeys: announcedKeys,
+		contSource:    contSource,
+		log:           &logger.Logger{Logger: zap.L()},
+	}
 
 	for i := range opts {
 		opts[i](c)
@@ -123,49 +132,6 @@ func (s *Service) Head(ctx context.Context, req *objectV2.HeadRequest) (*objectV
 	return resp, err
 }
 
-func WithInternalService(v *getsvc.Service) Option {
-	return func(c *cfg) {
-		c.svc = v
-	}
-}
-
-// WithKeyStorage returns option to set local private key storage.
-func WithKeyStorage(ks *objutil.KeyStorage) Option {
-	return func(c *cfg) {
-		c.keyStorage = ks
-	}
-}
-
-func WithEpochSource(es epochSource) Option {
-	return func(c *cfg) {
-		c.epochSource = es
-	}
-}
-
-func WithClientSource(cs clientSource) Option {
-	return func(c *cfg) {
-		c.clientSource = cs
-	}
-}
-
-func WithNetmapSource(ns netmap.Source) Option {
-	return func(c *cfg) {
-		c.netmapSource = ns
-	}
-}
-
-func WithNetmapAnnouncedKeys(ak netmap.AnnouncedKeys) Option {
-	return func(c *cfg) {
-		c.announcedKeys = ak
-	}
-}
-
-func WithContainerSource(cs container.Source) Option {
-	return func(c *cfg) {
-		c.contSource = cs
-	}
-}
-
 func WithLogger(l *logger.Logger) Option {
 	return func(c *cfg) {
 		c.log = &logger.Logger{Logger: l.With(zap.String("component", "Object.Get V2 service"))}