[#961] *: Support NeoFS API status returns

Upgrade NeoFS API Go library to version with status returns. Make all API
clients to pull out and return errors from failed statuses. Make signature
service to respond with status if client version supports it.

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

cmd/neofs-cli/internal/client/client.go

@@ -2,18 +2,17 @@ package internal
 
 import (
 	"context"
-	"crypto/sha256"
 	"io"
 	"math"
 
 	"github.com/nspcc-dev/neofs-sdk-go/accounting"
 	"github.com/nspcc-dev/neofs-sdk-go/client"
+	apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
 	"github.com/nspcc-dev/neofs-sdk-go/container"
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	"github.com/nspcc-dev/neofs-sdk-go/eacl"
 	"github.com/nspcc-dev/neofs-sdk-go/netmap"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
-	"github.com/nspcc-dev/neofs-sdk-go/session"
 	"github.com/nspcc-dev/neofs-sdk-go/version"
 )
 
@@ -25,12 +24,12 @@ type BalanceOfPrm struct {
 
 // BalanceOfRes groups resulting values of BalanceOf operation.
 type BalanceOfRes struct {
-	cliRes *accounting.Decimal
+	cliRes *client.BalanceOfRes
 }
 
 // Balance returns current balance.
 func (x BalanceOfRes) Balance() *accounting.Decimal {
-	return x.cliRes
+	return x.cliRes.Amount()
 }
 
 // BalanceOf requests current balance of NeoFS user.
@@ -40,6 +39,10 @@ func BalanceOf(prm BalanceOfPrm) (res BalanceOfRes, err error) {
 	res.cliRes, err = prm.cli.GetBalance(context.Background(), prm.ownerID,
 		client.WithKey(prm.privKey),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -52,12 +55,12 @@ type ListContainersPrm struct {
 
 // ListContainersRes groups resulting values of ListContainers operation.
 type ListContainersRes struct {
-	cliRes []*cid.ID
+	cliRes *client.ContainerListRes
 }
 
 // IDList returns list of identifiers of user's containers.
 func (x ListContainersRes) IDList() []*cid.ID {
-	return x.cliRes
+	return x.cliRes.IDList()
 }
 
 // ListContainers requests list of NeoFS user's containers.
@@ -67,6 +70,10 @@ func ListContainers(prm ListContainersPrm) (res ListContainersRes, err error) {
 	res.cliRes, err = prm.cli.ListContainers(context.Background(), prm.ownerID,
 		client.WithKey(prm.privKey),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -86,12 +93,12 @@ func (x *PutContainerPrm) SetContainer(cnr *container.Container) {
 
 // PutContainerRes groups resulting values of PutContainer operation.
 type PutContainerRes struct {
-	cliRes *cid.ID
+	cliRes *client.ContainerPutRes
 }
 
 // ID returns identifier of the created container.
 func (x PutContainerRes) ID() *cid.ID {
-	return x.cliRes
+	return x.cliRes.ID()
 }
 
 // PutContainer sends request to save container in NeoFS.
@@ -107,6 +114,10 @@ func PutContainer(prm PutContainerPrm) (res PutContainerRes, err error) {
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -119,12 +130,12 @@ type GetContainerPrm struct {
 
 // GetContainerRes groups resulting values of GetContainer operation.
 type GetContainerRes struct {
-	cliRes *container.Container
+	cliRes *client.ContainerGetRes
 }
 
 // Container returns structured of the requested container.
 func (x GetContainerRes) Container() *container.Container {
-	return x.cliRes
+	return x.cliRes.Container()
 }
 
 // GetContainer reads container from NeoFS by ID.
@@ -134,6 +145,10 @@ func GetContainer(prm GetContainerPrm) (res GetContainerRes, err error) {
 	res.cliRes, err = prm.cli.GetContainer(context.Background(), prm.cnrID,
 		client.WithKey(prm.privKey),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -157,10 +172,16 @@ type DeleteContainerRes struct{}
 //
 // Returns any error prevented the operation from completing correctly in error return.
 func DeleteContainer(prm DeleteContainerPrm) (res DeleteContainerRes, err error) {
-	err = prm.cli.DeleteContainer(context.Background(), prm.cnrID,
+	var cliRes *client.ContainerDeleteRes
+
+	cliRes, err = prm.cli.DeleteContainer(context.Background(), prm.cnrID,
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(cliRes.Status())
+	}
 
 	return
 }
@@ -173,21 +194,25 @@ type EACLPrm struct {
 
 // EACLRes groups resulting values of EACL operation.
 type EACLRes struct {
-	cliRes *client.EACLWithSignature
+	cliRes *client.EACLRes
 }
 
 // EACL returns requested eACL table.
 func (x EACLRes) EACL() *eacl.Table {
-	return x.cliRes.EACL()
+	return x.cliRes.Table()
 }
 
 // EACL reads eACL table from NeoFS by container ID.
 //
 // Returns any error prevented the operation from completing correctly in error return.
 func EACL(prm EACLPrm) (res EACLRes, err error) {
-	res.cliRes, err = prm.cli.GetEACL(context.Background(), prm.cnrID,
+	res.cliRes, err = prm.cli.EACL(context.Background(), prm.cnrID,
 		client.WithKey(prm.privKey),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -217,10 +242,16 @@ type SetEACLRes struct{}
 //
 // Returns any error prevented the operation from completing correctly in error return.
 func SetEACL(prm SetEACLPrm) (res SetEACLRes, err error) {
-	err = prm.cli.SetEACL(context.Background(), prm.eaclTable,
+	var cliRes *client.SetEACLRes
+
+	cliRes, err = prm.cli.SetEACL(context.Background(), prm.eaclTable,
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(cliRes.Status())
+	}
 
 	return
 }
@@ -232,12 +263,12 @@ type NetworkInfoPrm struct {
 
 // NetworkInfoRes groups resulting values of NetworkInfo operation.
 type NetworkInfoRes struct {
-	cliRes *netmap.NetworkInfo
+	cliRes *client.NetworkInfoRes
 }
 
 // NetworkInfo returns structured information about the NeoFS network.
 func (x NetworkInfoRes) NetworkInfo() *netmap.NetworkInfo {
-	return x.cliRes
+	return x.cliRes.Info()
 }
 
 // NetworkInfo reads information about the NeoFS network.
@@ -247,6 +278,10 @@ func NetworkInfo(prm NetworkInfoPrm) (res NetworkInfoRes, err error) {
 	res.cliRes, err = prm.cli.NetworkInfo(context.Background(),
 		client.WithKey(prm.privKey),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -258,17 +293,17 @@ type NodeInfoPrm struct {
 
 // NodeInfoRes groups resulting values of NodeInfo operation.
 type NodeInfoRes struct {
-	cliRes *client.EndpointInfo
+	cliRes *client.EndpointInfoRes
 }
 
 // NodeInfo returns information about the node from netmap.
 func (x NodeInfoRes) NodeInfo() *netmap.NodeInfo {
-	return x.cliRes.NodeInfo()
+	return x.cliRes.Info().NodeInfo()
 }
 
 // LatestVersion returns latest NeoFS API version in use.
 func (x NodeInfoRes) LatestVersion() *version.Version {
-	return x.cliRes.LatestVersion()
+	return x.cliRes.Info().LatestVersion()
 }
 
 // NodeInfo requests information about the remote server from NeoFS netmap.
@@ -278,6 +313,10 @@ func NodeInfo(prm NodeInfoPrm) (res NodeInfoRes, err error) {
 	res.cliRes, err = prm.cli.EndpointInfo(context.Background(),
 		client.WithKey(prm.privKey),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -289,7 +328,7 @@ type CreateSessionPrm struct {
 
 // CreateSessionRes groups resulting values of CreateSession operation.
 type CreateSessionRes struct {
-	cliRes *session.Token
+	cliRes *client.CreateSessionRes
 }
 
 // ID returns session identifier.
@@ -309,6 +348,10 @@ func CreateSession(prm CreateSessionPrm) (res CreateSessionRes, err error) {
 	res.cliRes, err = prm.cli.CreateSession(context.Background(), math.MaxUint64,
 		client.WithKey(prm.privKey),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -334,12 +377,12 @@ func (x *PutObjectPrm) SetPayloadReader(rdr io.Reader) {
 
 // PutObjectRes groups resulting values of PutObject operation.
 type PutObjectRes struct {
-	cliRes *object.ID
+	cliRes *client.ObjectPutRes
 }
 
 // ID returns identifier of the created object.
 func (x PutObjectRes) ID() *object.ID {
-	return x.cliRes
+	return x.cliRes.ID()
 }
 
 // PutObject saves the object in NeoFS network.
@@ -356,6 +399,10 @@ func PutObject(prm PutObjectPrm) (res PutObjectRes, err error) {
 		client.WithSession(prm.sessionToken),
 		client.WithBearer(prm.bearerToken),
 	)...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -368,12 +415,12 @@ type DeleteObjectPrm struct {
 
 // DeleteObjectRes groups resulting values of DeleteObject operation.
 type DeleteObjectRes struct {
-	cliRes *object.Address
+	cliRes *client.ObjectDeleteRes
 }
 
 // TombstoneAddress returns address of the created object with tombstone.
 func (x DeleteObjectRes) TombstoneAddress() *object.Address {
-	return x.cliRes
+	return x.cliRes.TombstoneAddress()
 }
 
 // DeleteObject marks object to be removed from NeoFS through tombstone placement.
@@ -384,11 +431,15 @@ func DeleteObject(prm DeleteObjectPrm) (res DeleteObjectRes, err error) {
 
 	delPrm.WithAddress(prm.objAddr)
 
-	res.cliRes, err = client.DeleteObject(context.Background(), prm.cli, &delPrm, append(prm.opts,
+	res.cliRes, err = prm.cli.DeleteObject(context.Background(), &delPrm, append(prm.opts,
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 		client.WithBearer(prm.bearerToken),
 	)...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -403,12 +454,12 @@ type GetObjectPrm struct {
 
 // GetObjectRes groups resulting values of GetObject operation.
 type GetObjectRes struct {
-	cliRes *object.Object
+	cliRes *client.ObjectGetRes
 }
 
 // Object returns header of the request object.
 func (x GetObjectRes) Header() *object.Object {
-	return x.cliRes
+	return x.cliRes.Object()
 }
 
 // GetObject reads the object by address.
@@ -429,6 +480,10 @@ func GetObject(prm GetObjectPrm) (res GetObjectRes, err error) {
 		client.WithSession(prm.sessionToken),
 		client.WithBearer(prm.bearerToken),
 	)...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -449,12 +504,12 @@ func (x *HeadObjectPrm) SetMainOnlyFlag(v bool) {
 
 // HeadObjectRes groups resulting values of HeadObject operation.
 type HeadObjectRes struct {
-	cliRes *object.Object
+	cliRes *client.ObjectHeadRes
 }
 
 // Header returns requested object header.
 func (x HeadObjectRes) Header() *object.Object {
-	return x.cliRes
+	return x.cliRes.Object()
 }
 
 // HeadObject reads object header by address.
@@ -473,11 +528,15 @@ func HeadObject(prm HeadObjectPrm) (res HeadObjectRes, err error) {
 		cliPrm.WithAllFields()
 	}
 
-	res.cliRes, err = prm.cli.GetObjectHeader(context.Background(), &cliPrm, append(prm.opts,
+	res.cliRes, err = prm.cli.HeadObject(context.Background(), &cliPrm, append(prm.opts,
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 		client.WithBearer(prm.bearerToken),
 	)...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -497,12 +556,12 @@ func (x *SearchObjectsPrm) SetFilters(filters object.SearchFilters) {
 
 // SearchObjectsRes groups resulting values of SearchObjects operation.
 type SearchObjectsRes struct {
-	cliRes []*object.ID
+	cliRes *client.ObjectSearchRes
 }
 
 // IDList returns identifiers of the matched objects.
 func (x SearchObjectsRes) IDList() []*object.ID {
-	return x.cliRes
+	return x.cliRes.IDList()
 }
 
 // SearchObjects selects objects from container which match the filters.
@@ -514,11 +573,15 @@ func SearchObjects(prm SearchObjectsPrm) (res SearchObjectsRes, err error) {
 	cliPrm.WithSearchFilters(prm.filters)
 	cliPrm.WithContainerID(prm.cnrID)
 
-	res.cliRes, err = prm.cli.SearchObject(context.Background(), &cliPrm, append(prm.opts,
+	res.cliRes, err = prm.cli.SearchObjects(context.Background(), &cliPrm, append(prm.opts,
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 		client.WithBearer(prm.bearerToken),
 	)...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -552,12 +615,12 @@ func (x *HashPayloadRangesPrm) SetSalt(salt []byte) {
 
 // HashPayloadRangesRes groups resulting values of HashPayloadRanges operation.
 type HashPayloadRangesRes struct {
-	cliRes [][]byte
+	cliRes *client.ObjectRangeHashRes
 }
 
 // HashList returns list of hashes of the payload ranges keeping order.
 func (x HashPayloadRangesRes) HashList() [][]byte {
-	return x.cliRes
+	return x.cliRes.Hashes()
 }
 
 // HashPayloadRanges requests hashes (by default SHA256) of the object payload ranges.
@@ -572,35 +635,17 @@ func HashPayloadRanges(prm HashPayloadRangesPrm) (res HashPayloadRangesRes, err
 	cliPrm.WithRangeList(prm.rngs...)
 
 	if prm.tz {
-		var hs [][sha256.Size]byte
+		cliPrm.TZ()
+	}
 
-		hs, err = prm.cli.ObjectPayloadRangeSHA256(context.Background(), &cliPrm, append(prm.opts,
+	res.cliRes, err = prm.cli.HashObjectPayloadRanges(context.Background(), &cliPrm, append(prm.opts,
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 		client.WithBearer(prm.bearerToken),
 	)...)
 	if err == nil {
-			res.cliRes = make([][]byte, 0, len(hs))
+		// pull out an error from status
-
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
-			for i := range hs {
-				res.cliRes = append(res.cliRes, hs[i][:])
-			}
-		}
-	} else {
-		var hs [][client.TZSize]byte
-
-		hs, err = prm.cli.ObjectPayloadRangeTZ(context.Background(), &cliPrm, append(prm.opts,
-			client.WithKey(prm.privKey),
-			client.WithSession(prm.sessionToken),
-			client.WithBearer(prm.bearerToken),
-		)...)
-		if err == nil {
-			res.cliRes = make([][]byte, 0, len(hs))
-
-			for i := range hs {
-				res.cliRes = append(res.cliRes, hs[i][:])
-			}
-		}
 	}
 
 	return
@@ -638,11 +683,17 @@ func PayloadRange(prm PayloadRangePrm) (res PayloadRangeRes, err error) {
 	cliPrm.WithDataWriter(prm.wrt)
 	cliPrm.WithRange(prm.rng)
 
-	_, err = prm.cli.ObjectPayloadRangeData(context.Background(), &cliPrm, append(prm.opts,
+	var cliRes *client.ObjectRangeRes
+
+	cliRes, err = prm.cli.ObjectPayloadRangeData(context.Background(), &cliPrm, append(prm.opts,
 		client.WithKey(prm.privKey),
 		client.WithSession(prm.sessionToken),
 		client.WithBearer(prm.bearerToken),
 	)...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(cliRes.Status())
+	}
 
 	return
 }

cmd/neofs-node/container.go

@@ -312,7 +312,8 @@ func (r *remoteLoadAnnounceWriter) Put(a containerSDK.UsedSpaceAnnouncement) err
 }
 
 func (r *remoteLoadAnnounceWriter) Close() error {
-	return r.client.AnnounceContainerUsedSpace(r.ctx, r.buf, apiClient.WithKey(r.key))
+	_, err := r.client.AnnounceContainerUsedSpace(r.ctx, r.buf, apiClient.WithKey(r.key))
+	return err
 }
 
 type loadPlacementBuilder struct {

cmd/neofs-node/object.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 	"crypto/ecdsa"
-	"crypto/sha256"
 	"fmt"
 
 	"github.com/nspcc-dev/neofs-api-go/v2/object"
@@ -474,68 +473,60 @@ func (c *reputationClient) submitResult(err error) {
 	c.cons.trustStorage.Update(prm)
 }
 
-func (c *reputationClient) PutObject(ctx context.Context, prm *client.PutObjectParams, opts ...client.CallOption) (*objectSDK.ID, error) {
+func (c *reputationClient) PutObject(ctx context.Context, prm *client.PutObjectParams, opts ...client.CallOption) (*client.ObjectPutRes, error) {
-	id, err := c.Client.PutObject(ctx, prm, opts...)
+	res, err := c.Client.PutObject(ctx, prm, opts...)
 
 	c.submitResult(err)
 
-	return id, err
+	return res, err
 }
 
-func (c *reputationClient) DeleteObject(ctx context.Context, prm *client.DeleteObjectParams, opts ...client.CallOption) error {
+func (c *reputationClient) DeleteObject(ctx context.Context, prm *client.DeleteObjectParams, opts ...client.CallOption) (*client.ObjectDeleteRes, error) {
-	err := c.Client.DeleteObject(ctx, prm, opts...)
+	res, err := c.Client.DeleteObject(ctx, prm, opts...)
 
 	c.submitResult(err)
 
-	return err
+	return res, err
 }
 
-func (c *reputationClient) GetObject(ctx context.Context, prm *client.GetObjectParams, opts ...client.CallOption) (*objectSDK.Object, error) {
+func (c *reputationClient) GetObject(ctx context.Context, prm *client.GetObjectParams, opts ...client.CallOption) (*client.ObjectGetRes, error) {
-	obj, err := c.Client.GetObject(ctx, prm, opts...)
+	res, err := c.Client.GetObject(ctx, prm, opts...)
 
 	c.submitResult(err)
 
-	return obj, err
+	return res, err
 }
 
-func (c *reputationClient) GetObjectHeader(ctx context.Context, prm *client.ObjectHeaderParams, opts ...client.CallOption) (*objectSDK.Object, error) {
+func (c *reputationClient) HeadObject(ctx context.Context, prm *client.ObjectHeaderParams, opts ...client.CallOption) (*client.ObjectHeadRes, error) {
-	obj, err := c.Client.GetObjectHeader(ctx, prm, opts...)
+	res, err := c.Client.HeadObject(ctx, prm, opts...)
 
 	c.submitResult(err)
 
-	return obj, err
+	return res, err
 }
 
-func (c *reputationClient) ObjectPayloadRangeData(ctx context.Context, prm *client.RangeDataParams, opts ...client.CallOption) ([]byte, error) {
+func (c *reputationClient) ObjectPayloadRangeData(ctx context.Context, prm *client.RangeDataParams, opts ...client.CallOption) (*client.ObjectRangeRes, error) {
-	rng, err := c.Client.ObjectPayloadRangeData(ctx, prm, opts...)
+	res, err := c.Client.ObjectPayloadRangeData(ctx, prm, opts...)
 
 	c.submitResult(err)
 
-	return rng, err
+	return res, err
 }
 
-func (c *reputationClient) ObjectPayloadRangeSHA256(ctx context.Context, prm *client.RangeChecksumParams, opts ...client.CallOption) ([][sha256.Size]byte, error) {
+func (c *reputationClient) HashObjectPayloadRanges(ctx context.Context, prm *client.RangeChecksumParams, opts ...client.CallOption) (*client.ObjectRangeHashRes, error) {
-	hashes, err := c.Client.ObjectPayloadRangeSHA256(ctx, prm, opts...)
+	res, err := c.Client.HashObjectPayloadRanges(ctx, prm, opts...)
 
 	c.submitResult(err)
 
-	return hashes, err
+	return res, err
 }
 
-func (c *reputationClient) ObjectPayloadRangeTZ(ctx context.Context, prm *client.RangeChecksumParams, opts ...client.CallOption) ([][client.TZSize]byte, error) {
+func (c *reputationClient) SearchObjects(ctx context.Context, prm *client.SearchObjectParams, opts ...client.CallOption) (*client.ObjectSearchRes, error) {
-	hashes, err := c.Client.ObjectPayloadRangeTZ(ctx, prm, opts...)
+	res, err := c.Client.SearchObjects(ctx, prm, opts...)
 
 	c.submitResult(err)
 
-	return hashes, err
+	return res, err
-}
-
-func (c *reputationClient) SearchObject(ctx context.Context, prm *client.SearchObjectParams, opts ...client.CallOption) ([]*objectSDK.ID, error) {
-	ids, err := c.Client.SearchObject(ctx, prm, opts...)
-
-	c.submitResult(err)
-
-	return ids, err
 }
 
 func (c *reputationClientConstructor) Get(info coreclient.NodeInfo) (client.Client, error) {

cmd/neofs-node/reputation/internal/client/client.go

@@ -5,6 +5,7 @@ import (
 	"crypto/ecdsa"
 
 	"github.com/nspcc-dev/neofs-sdk-go/client"
+	apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
 	"github.com/nspcc-dev/neofs-sdk-go/reputation"
 )
 
@@ -65,7 +66,13 @@ type AnnounceLocalRes struct{}
 //
 // Returns any error prevented the operation from completing correctly in error return.
 func AnnounceLocal(prm AnnounceLocalPrm) (res AnnounceLocalRes, err error) {
-	_, err = prm.cli.AnnounceLocalTrust(prm.ctx, prm.cliPrm, prm.opts...)
+	var cliRes *client.AnnounceLocalTrustRes
+
+	cliRes, err = prm.cli.AnnounceLocalTrust(prm.ctx, prm.cliPrm, prm.opts...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(cliRes.Status())
+	}
 
 	return
 }
@@ -102,7 +109,13 @@ type AnnounceIntermediateRes struct{}
 //
 // Returns any error prevented the operation from completing correctly in error return.
 func AnnounceIntermediate(prm AnnounceIntermediatePrm) (res AnnounceIntermediateRes, err error) {
-	_, err = prm.cli.AnnounceIntermediateTrust(prm.ctx, prm.cliPrm, prm.opts...)
+	var cliRes *client.AnnounceIntermediateTrustRes
+
+	cliRes, err = prm.cli.AnnounceIntermediateTrust(prm.ctx, prm.cliPrm, prm.opts...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(cliRes.Status())
+	}
 
 	return
 }

go.mod

@@ -11,9 +11,9 @@ require (
 	github.com/mr-tron/base58 v1.2.0
 	github.com/multiformats/go-multiaddr v0.4.0
 	github.com/nspcc-dev/hrw v1.0.9
-	github.com/nspcc-dev/neo-go v0.97.3
+	github.com/nspcc-dev/neo-go v0.97.4-pre.0.20211123163659-b25c3775e847
-	github.com/nspcc-dev/neofs-api-go v1.30.0
+	github.com/nspcc-dev/neofs-api-go/v2 v2.11.0-pre.0.20211118144033-580f6c5554ff
-	github.com/nspcc-dev/neofs-sdk-go v0.0.0-20211110152919-10b78e74afbd
+	github.com/nspcc-dev/neofs-sdk-go v0.0.0-20211123100340-d9317cbea191
 	github.com/nspcc-dev/tzhash v1.4.0
 	github.com/panjf2000/ants/v2 v2.4.0
 	github.com/paulmach/orb v0.2.2

pkg/core/client/client.go

@@ -1,7 +1,7 @@
 package client
 
 import (
-	rawclient "github.com/nspcc-dev/neofs-api-go/rpc/client"
+	rawclient "github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
 	"github.com/nspcc-dev/neofs-node/pkg/network"
 	"github.com/nspcc-dev/neofs-sdk-go/client"
 )

pkg/innerring/internal/client/client.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/nspcc-dev/neofs-node/pkg/services/object_manager/storagegroup"
 	"github.com/nspcc-dev/neofs-sdk-go/client"
+	apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
 )
@@ -42,12 +43,12 @@ func (x *SearchSGPrm) SetContainerID(id *cid.ID) {
 
 // SearchSGRes groups resulting values of SearchSG operation.
 type SearchSGRes struct {
-	cliRes []*object.ID
+	cliRes *client.ObjectSearchRes
 }
 
 // IDList returns list of IDs of storage groups in container.
 func (x SearchSGRes) IDList() []*object.ID {
-	return x.cliRes
+	return x.cliRes.IDList()
 }
 
 var sgFilter = storagegroup.SearchQuery()
@@ -61,9 +62,13 @@ func (x Client) SearchSG(prm SearchSGPrm) (res SearchSGRes, err error) {
 	cliPrm.WithContainerID(prm.cnrID)
 	cliPrm.WithSearchFilters(sgFilter)
 
-	res.cliRes, err = x.c.SearchObject(prm.ctx, &cliPrm,
+	res.cliRes, err = x.c.SearchObjects(prm.ctx, &cliPrm,
 		client.WithKey(x.key),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -75,12 +80,12 @@ type GetObjectPrm struct {
 
 // GetObjectRes groups resulting values of GetObject operation.
 type GetObjectRes struct {
-	cliRes *object.Object
+	cliRes *client.ObjectGetRes
 }
 
 // Object returns received object.
 func (x GetObjectRes) Object() *object.Object {
-	return x.cliRes
+	return x.cliRes.Object()
 }
 
 // GetObject reads the object by address.
@@ -94,6 +99,10 @@ func (x Client) GetObject(prm GetObjectPrm) (res GetObjectRes, err error) {
 	res.cliRes, err = x.c.GetObject(prm.ctx, &cliPrm,
 		client.WithKey(x.key),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -119,12 +128,12 @@ func (x *HeadObjectPrm) SetTTL(ttl uint32) {
 
 // HeadObjectRes groups resulting values of HeadObject operation.
 type HeadObjectRes struct {
-	cliRes *object.Object
+	cliRes *client.ObjectHeadRes
 }
 
 // Header returns received object header.
 func (x HeadObjectRes) Header() *object.Object {
-	return x.cliRes
+	return x.cliRes.Object()
 }
 
 // HeadObject reads short object header by address.
@@ -138,10 +147,14 @@ func (x Client) HeadObject(prm HeadObjectPrm) (res HeadObjectRes, err error) {
 	cliPrm.WithRawFlag(prm.raw)
 	cliPrm.WithMainFields()
 
-	res.cliRes, err = x.c.GetObjectHeader(prm.ctx, &cliPrm,
+	res.cliRes, err = x.c.HeadObject(prm.ctx, &cliPrm,
 		client.WithKey(x.key),
 		client.WithTTL(prm.ttl),
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -225,15 +238,22 @@ func (x Client) HashPayloadRange(prm HashPayloadRangePrm) (res HashPayloadRangeR
 	cliPrm.WithAddress(prm.objAddr)
 	cliPrm.WithRangeList(prm.rng)
 
-	hs, err := x.c.ObjectPayloadRangeTZ(prm.ctx, &cliPrm,
+	cliRes, err := x.c.HashObjectPayloadRanges(prm.ctx, &cliPrm,
 		client.WithKey(x.key),
 		client.WithTTL(1),
 	)
 	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(cliRes.Status())
+		if err != nil {
+			return
+		}
+
+		hs := cliRes.Hashes()
 		if ln := len(hs); ln != 1 {
 			err = fmt.Errorf("wrong number of hashes %d", ln)
 		} else {
-			res.h = hs[0][:]
+			res.h = hs[0]
 		}
 	}
 

pkg/network/cache/multi.go

@@ -2,23 +2,18 @@ package cache
 
 import (
 	"context"
-	"crypto/sha256"
 	"crypto/tls"
 	"errors"
 	"io"
 	"sync"
 
-	rawclient "github.com/nspcc-dev/neofs-api-go/rpc/client"
+	rawclient "github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
 	"github.com/nspcc-dev/neofs-node/pkg/network"
-	"github.com/nspcc-dev/neofs-sdk-go/accounting"
 	"github.com/nspcc-dev/neofs-sdk-go/client"
 	"github.com/nspcc-dev/neofs-sdk-go/container"
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	"github.com/nspcc-dev/neofs-sdk-go/eacl"
-	"github.com/nspcc-dev/neofs-sdk-go/netmap"
-	"github.com/nspcc-dev/neofs-sdk-go/object"
 	"github.com/nspcc-dev/neofs-sdk-go/owner"
-	"github.com/nspcc-dev/neofs-sdk-go/session"
 )
 
 type multiClient struct {
@@ -87,215 +82,184 @@ func (x *multiClient) iterateClients(ctx context.Context, f func(client.Client)
 	return firstErr
 }
 
-func (x *multiClient) PutObject(ctx context.Context, p *client.PutObjectParams, opts ...client.CallOption) (*object.ID, error) {
+func (x *multiClient) PutObject(ctx context.Context, p *client.PutObjectParams, opts ...client.CallOption) (res *client.ObjectPutRes, err error) {
-	var res *object.ID
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.PutObject(ctx, p, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) GetBalance(ctx context.Context, id *owner.ID, opts ...client.CallOption) (*accounting.Decimal, error) {
+func (x *multiClient) GetBalance(ctx context.Context, id *owner.ID, opts ...client.CallOption) (res *client.BalanceOfRes, err error) {
-	var res *accounting.Decimal
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.GetBalance(ctx, id, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) PutContainer(ctx context.Context, cnr *container.Container, opts ...client.CallOption) (*cid.ID, error) {
+func (x *multiClient) PutContainer(ctx context.Context, cnr *container.Container, opts ...client.CallOption) (res *client.ContainerPutRes, err error) {
-	var res *cid.ID
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.PutContainer(ctx, cnr, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) GetContainer(ctx context.Context, id *cid.ID, opts ...client.CallOption) (*container.Container, error) {
+func (x *multiClient) GetContainer(ctx context.Context, id *cid.ID, opts ...client.CallOption) (res *client.ContainerGetRes, err error) {
-	var res *container.Container
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.GetContainer(ctx, id, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) ListContainers(ctx context.Context, id *owner.ID, opts ...client.CallOption) ([]*cid.ID, error) {
+func (x *multiClient) ListContainers(ctx context.Context, id *owner.ID, opts ...client.CallOption) (res *client.ContainerListRes, err error) {
-	var res []*cid.ID
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.ListContainers(ctx, id, opts...)
+		return err
+	})
+
 	return
-	})
-
-	return res, err
 }
 
-func (x *multiClient) DeleteContainer(ctx context.Context, id *cid.ID, opts ...client.CallOption) error {
+func (x *multiClient) DeleteContainer(ctx context.Context, id *cid.ID, opts ...client.CallOption) (res *client.ContainerDeleteRes, err error) {
-	return x.iterateClients(ctx, func(c client.Client) error {
+	err = x.iterateClients(ctx, func(c client.Client) error {
-		return c.DeleteContainer(ctx, id, opts...)
+		res, err = c.DeleteContainer(ctx, id, opts...)
+		return err
 	})
-}
 
-func (x *multiClient) GetEACL(ctx context.Context, id *cid.ID, opts ...client.CallOption) (*client.EACLWithSignature, error) {
-	var res *client.EACLWithSignature
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
-		res, err = c.GetEACL(ctx, id, opts...)
 	return
-	})
-
-	return res, err
 }
 
-func (x *multiClient) SetEACL(ctx context.Context, t *eacl.Table, opts ...client.CallOption) error {
+func (x *multiClient) EACL(ctx context.Context, id *cid.ID, opts ...client.CallOption) (res *client.EACLRes, err error) {
-	return x.iterateClients(ctx, func(c client.Client) error {
+	err = x.iterateClients(ctx, func(c client.Client) error {
-		return c.SetEACL(ctx, t, opts...)
+		res, err = c.EACL(ctx, id, opts...)
+		return err
 	})
+
+	return
 }
 
-func (x *multiClient) AnnounceContainerUsedSpace(ctx context.Context, as []container.UsedSpaceAnnouncement, opts ...client.CallOption) error {
+func (x *multiClient) SetEACL(ctx context.Context, t *eacl.Table, opts ...client.CallOption) (res *client.SetEACLRes, err error) {
-	return x.iterateClients(ctx, func(c client.Client) error {
+	err = x.iterateClients(ctx, func(c client.Client) error {
-		return c.AnnounceContainerUsedSpace(ctx, as, opts...)
+		res, err = c.SetEACL(ctx, t, opts...)
+		return err
 	})
+
+	return
 }
 
-func (x *multiClient) EndpointInfo(ctx context.Context, opts ...client.CallOption) (*client.EndpointInfo, error) {
+func (x *multiClient) AnnounceContainerUsedSpace(ctx context.Context, as []container.UsedSpaceAnnouncement, opts ...client.CallOption) (res *client.AnnounceSpaceRes, err error) {
-	var res *client.EndpointInfo
+	err = x.iterateClients(ctx, func(c client.Client) error {
+		res, err = c.AnnounceContainerUsedSpace(ctx, as, opts...)
+		return err
+	})
 
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
+	return
+}
+
+func (x *multiClient) EndpointInfo(ctx context.Context, opts ...client.CallOption) (res *client.EndpointInfoRes, err error) {
+	err = x.iterateClients(ctx, func(c client.Client) error {
 		res, err = c.EndpointInfo(ctx, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) NetworkInfo(ctx context.Context, opts ...client.CallOption) (*netmap.NetworkInfo, error) {
+func (x *multiClient) NetworkInfo(ctx context.Context, opts ...client.CallOption) (res *client.NetworkInfoRes, err error) {
-	var res *netmap.NetworkInfo
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.NetworkInfo(ctx, opts...)
+		return err
+	})
+
 	return
-	})
-
-	return res, err
 }
 
-func (x *multiClient) DeleteObject(ctx context.Context, p *client.DeleteObjectParams, opts ...client.CallOption) error {
+func (x *multiClient) DeleteObject(ctx context.Context, p *client.DeleteObjectParams, opts ...client.CallOption) (res *client.ObjectDeleteRes, err error) {
-	return x.iterateClients(ctx, func(c client.Client) error {
+	err = x.iterateClients(ctx, func(c client.Client) error {
-		return c.DeleteObject(ctx, p, opts...)
+		res, err = c.DeleteObject(ctx, p, opts...)
+		return err
 	})
+
+	return
 }
 
-func (x *multiClient) GetObject(ctx context.Context, p *client.GetObjectParams, opts ...client.CallOption) (*object.Object, error) {
+func (x *multiClient) GetObject(ctx context.Context, p *client.GetObjectParams, opts ...client.CallOption) (res *client.ObjectGetRes, err error) {
-	var res *object.Object
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.GetObject(ctx, p, opts...)
-		return
+		return err
 	})
 
-	return res, err
-}
-
-func (x *multiClient) GetObjectHeader(ctx context.Context, p *client.ObjectHeaderParams, opts ...client.CallOption) (*object.Object, error) {
-	var res *object.Object
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
-		res, err = c.GetObjectHeader(ctx, p, opts...)
 	return
-	})
-
-	return res, err
 }
 
-func (x *multiClient) ObjectPayloadRangeData(ctx context.Context, p *client.RangeDataParams, opts ...client.CallOption) ([]byte, error) {
+func (x *multiClient) ObjectPayloadRangeData(ctx context.Context, p *client.RangeDataParams, opts ...client.CallOption) (res *client.ObjectRangeRes, err error) {
-	var res []byte
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.ObjectPayloadRangeData(ctx, p, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) ObjectPayloadRangeSHA256(ctx context.Context, p *client.RangeChecksumParams, opts ...client.CallOption) ([][sha256.Size]byte, error) {
+func (x *multiClient) HeadObject(ctx context.Context, p *client.ObjectHeaderParams, opts ...client.CallOption) (res *client.ObjectHeadRes, err error) {
-	var res [][sha256.Size]byte
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
+		res, err = c.HeadObject(ctx, p, opts...)
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
+		return err
-		res, err = c.ObjectPayloadRangeSHA256(ctx, p, opts...)
-		return
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) ObjectPayloadRangeTZ(ctx context.Context, p *client.RangeChecksumParams, opts ...client.CallOption) ([][client.TZSize]byte, error) {
+func (x *multiClient) HashObjectPayloadRanges(ctx context.Context, p *client.RangeChecksumParams, opts ...client.CallOption) (res *client.ObjectRangeHashRes, err error) {
-	var res [][client.TZSize]byte
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
+		res, err = c.HashObjectPayloadRanges(ctx, p, opts...)
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
+		return err
-		res, err = c.ObjectPayloadRangeTZ(ctx, p, opts...)
-		return
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) SearchObject(ctx context.Context, p *client.SearchObjectParams, opts ...client.CallOption) ([]*object.ID, error) {
+func (x *multiClient) SearchObjects(ctx context.Context, p *client.SearchObjectParams, opts ...client.CallOption) (res *client.ObjectSearchRes, err error) {
-	var res []*object.ID
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
+		res, err = c.SearchObjects(ctx, p, opts...)
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
+		return err
-		res, err = c.SearchObject(ctx, p, opts...)
-		return
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) CreateSession(ctx context.Context, exp uint64, opts ...client.CallOption) (*session.Token, error) {
+func (x *multiClient) CreateSession(ctx context.Context, exp uint64, opts ...client.CallOption) (res *client.CreateSessionRes, err error) {
-	var res *session.Token
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.CreateSession(ctx, exp, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) AnnounceLocalTrust(ctx context.Context, p client.AnnounceLocalTrustPrm, opts ...client.CallOption) (*client.AnnounceLocalTrustRes, error) {
+func (x *multiClient) AnnounceLocalTrust(ctx context.Context, p client.AnnounceLocalTrustPrm, opts ...client.CallOption) (res *client.AnnounceLocalTrustRes, err error) {
-	var res *client.AnnounceLocalTrustRes
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.AnnounceLocalTrust(ctx, p, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
-func (x *multiClient) AnnounceIntermediateTrust(ctx context.Context, p client.AnnounceIntermediateTrustPrm, opts ...client.CallOption) (*client.AnnounceIntermediateTrustRes, error) {
+func (x *multiClient) AnnounceIntermediateTrust(ctx context.Context, p client.AnnounceIntermediateTrustPrm, opts ...client.CallOption) (res *client.AnnounceIntermediateTrustRes, err error) {
-	var res *client.AnnounceIntermediateTrustRes
+	err = x.iterateClients(ctx, func(c client.Client) error {
-
-	err := x.iterateClients(ctx, func(c client.Client) (err error) {
 		res, err = c.AnnounceIntermediateTrust(ctx, p, opts...)
-		return
+		return err
 	})
 
-	return res, err
+	return
 }
 
 func (x *multiClient) Raw() *rawclient.Client {

pkg/network/transport/object/grpc/service.go

@@ -8,6 +8,7 @@ import (
 	"github.com/nspcc-dev/neofs-api-go/v2/object"
 	objectGRPC "github.com/nspcc-dev/neofs-api-go/v2/object/grpc"
 	objectSvc "github.com/nspcc-dev/neofs-node/pkg/services/object"
+	"github.com/nspcc-dev/neofs-node/pkg/services/util"
 )
 
 // Server wraps NeoFS API Object service and
@@ -52,6 +53,15 @@ func (s *Server) Put(gStream objectGRPC.ObjectService_PutServer) error {
 		}
 
 		if err := stream.Send(putReq); err != nil {
+			if errors.Is(err, util.ErrAbortStream) {
+				resp, err := stream.CloseAndRecv()
+				if err != nil {
+					return err
+				}
+
+				return gStream.SendAndClose(resp.ToGRPCMessage().(*objectGRPC.PutResponse))
+			}
+
 			return err
 		}
 	}

pkg/services/accounting/sign.go

@@ -26,6 +26,9 @@ func (s *signService) Balance(ctx context.Context, req *accounting.BalanceReques
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.Balance(ctx, req.(*accounting.BalanceRequest))
 		},
+		func() util.ResponseMessage {
+			return new(accounting.BalanceResponse)
+		},
 	)
 	if err != nil {
 		return nil, err

pkg/services/container/sign.go

@@ -26,6 +26,9 @@ func (s *signService) Put(ctx context.Context, req *container.PutRequest) (*cont
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.Put(ctx, req.(*container.PutRequest))
 		},
+		func() util.ResponseMessage {
+			return new(container.PutResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -39,6 +42,9 @@ func (s *signService) Delete(ctx context.Context, req *container.DeleteRequest)
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.Delete(ctx, req.(*container.DeleteRequest))
 		},
+		func() util.ResponseMessage {
+			return new(container.DeleteResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -52,6 +58,9 @@ func (s *signService) Get(ctx context.Context, req *container.GetRequest) (*cont
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.Get(ctx, req.(*container.GetRequest))
 		},
+		func() util.ResponseMessage {
+			return new(container.GetResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -65,6 +74,9 @@ func (s *signService) List(ctx context.Context, req *container.ListRequest) (*co
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.List(ctx, req.(*container.ListRequest))
 		},
+		func() util.ResponseMessage {
+			return new(container.ListResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -78,6 +90,9 @@ func (s *signService) SetExtendedACL(ctx context.Context, req *container.SetExte
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.SetExtendedACL(ctx, req.(*container.SetExtendedACLRequest))
 		},
+		func() util.ResponseMessage {
+			return new(container.SetExtendedACLResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -91,6 +106,9 @@ func (s *signService) GetExtendedACL(ctx context.Context, req *container.GetExte
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.GetExtendedACL(ctx, req.(*container.GetExtendedACLRequest))
 		},
+		func() util.ResponseMessage {
+			return new(container.GetExtendedACLResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -104,6 +122,9 @@ func (s *signService) AnnounceUsedSpace(ctx context.Context, req *container.Anno
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.AnnounceUsedSpace(ctx, req.(*container.AnnounceUsedSpaceRequest))
 		},
+		func() util.ResponseMessage {
+			return new(container.AnnounceUsedSpaceResponse)
+		},
 	)
 	if err != nil {
 		return nil, err

pkg/services/control/convert.go

@@ -1,8 +1,8 @@
 package control
 
 import (
-	"github.com/nspcc-dev/neofs-api-go/rpc/grpc"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/grpc"
-	"github.com/nspcc-dev/neofs-api-go/rpc/message"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/message"
 )
 
 type requestWrapper struct {

pkg/services/control/ir/convert.go

@@ -1,8 +1,8 @@
 package control
 
 import (
-	"github.com/nspcc-dev/neofs-api-go/rpc/grpc"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/grpc"
-	"github.com/nspcc-dev/neofs-api-go/rpc/message"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/message"
 )
 
 type requestWrapper struct {

pkg/services/control/ir/rpc.go

@@ -1,8 +1,8 @@
 package control
 
 import (
-	"github.com/nspcc-dev/neofs-api-go/rpc/client"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
-	"github.com/nspcc-dev/neofs-api-go/rpc/common"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/common"
 )
 
 const serviceName = "ircontrol.ControlService"

pkg/services/control/ir/service.go

@@ -1,7 +1,7 @@
 package control
 
 import (
-	"github.com/nspcc-dev/neofs-api-go/util/proto"
+	"github.com/nspcc-dev/neofs-api-go/v2/util/proto"
 )
 
 // StableMarshal reads binary representation of health check request body

pkg/services/control/rpc.go

@@ -1,8 +1,8 @@
 package control
 
 import (
-	"github.com/nspcc-dev/neofs-api-go/rpc/client"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
-	"github.com/nspcc-dev/neofs-api-go/rpc/common"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/common"
 )
 
 const serviceName = "control.ControlService"

pkg/services/control/service.go

@@ -1,7 +1,7 @@
 package control
 
 import (
-	"github.com/nspcc-dev/neofs-api-go/util/proto"
+	"github.com/nspcc-dev/neofs-api-go/v2/util/proto"
 )
 
 // StableMarshal reads binary representation of health check request body

pkg/services/control/types.go

@@ -1,7 +1,7 @@
 package control
 
 import (
-	"github.com/nspcc-dev/neofs-api-go/util/proto"
+	"github.com/nspcc-dev/neofs-api-go/v2/util/proto"
 	"google.golang.org/protobuf/encoding/protojson"
 )
 

pkg/services/netmap/sign.go

@@ -28,6 +28,9 @@ func (s *signService) LocalNodeInfo(
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.LocalNodeInfo(ctx, req.(*netmap.LocalNodeInfoRequest))
 		},
+		func() util.ResponseMessage {
+			return new(netmap.LocalNodeInfoResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -41,6 +44,9 @@ func (s *signService) NetworkInfo(ctx context.Context, req *netmap.NetworkInfoRe
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.NetworkInfo(ctx, req.(*netmap.NetworkInfoRequest))
 		},
+		func() util.ResponseMessage {
+			return new(netmap.NetworkInfoResponse)
+		},
 	)
 	if err != nil {
 		return nil, err

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

@@ -9,10 +9,10 @@ import (
 	"io"
 	"sync"
 
-	rpcclient "github.com/nspcc-dev/neofs-api-go/rpc/client"
 	objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
 	"github.com/nspcc-dev/neofs-api-go/v2/rpc"
+	rpcclient "github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
 	"github.com/nspcc-dev/neofs-api-go/v2/session"
 	"github.com/nspcc-dev/neofs-api-go/v2/signature"
 	"github.com/nspcc-dev/neofs-node/pkg/core/client"

pkg/services/object/internal/client/client.go

@@ -7,6 +7,7 @@ import (
 
 	session2 "github.com/nspcc-dev/neofs-api-go/v2/session"
 	"github.com/nspcc-dev/neofs-sdk-go/client"
+	apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
 	cid "github.com/nspcc-dev/neofs-sdk-go/container/id"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
 	"github.com/nspcc-dev/neofs-sdk-go/session"
@@ -112,12 +113,12 @@ func (x *GetObjectPrm) SetAddress(addr *object.Address) {
 
 // GetObjectRes groups resulting values of GetObject operation.
 type GetObjectRes struct {
-	cliRes *object.Object
+	cliRes *client.ObjectGetRes
 }
 
 // Object returns requested object.
 func (x GetObjectRes) Object() *object.Object {
-	return x.cliRes
+	return x.cliRes.Object()
 }
 
 // GetObject reads the object by address.
@@ -130,6 +131,10 @@ func (x GetObjectRes) Object() *object.Object {
 //  object.ErrAlreadyRemoved error if requested object is marked to be removed.
 func GetObject(prm GetObjectPrm) (res GetObjectRes, err error) {
 	res.cliRes, err = prm.cli.GetObject(prm.ctx, &prm.cliPrm, prm.opts...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	// FIXME: object.ErrAlreadyRemoved never returns
 
@@ -159,12 +164,12 @@ func (x *HeadObjectPrm) SetAddress(addr *object.Address) {
 
 // GetObjectRes groups resulting values of GetObject operation.
 type HeadObjectRes struct {
-	cliRes *object.Object
+	cliRes *client.ObjectHeadRes
 }
 
 // Header returns requested object header.
 func (x HeadObjectRes) Header() *object.Object {
-	return x.cliRes
+	return x.cliRes.Object()
 }
 
 // HeadObject reads object header by address.
@@ -176,7 +181,11 @@ func (x HeadObjectRes) Header() *object.Object {
 //  error of type *object.SplitInfoError if object if raw flag is set and requested object is virtual;
 //  object.ErrAlreadyRemoved error if requested object is marked to be removed.
 func HeadObject(prm HeadObjectPrm) (res HeadObjectRes, err error) {
-	res.cliRes, err = prm.cli.GetObjectHeader(prm.ctx, &prm.cliPrm, prm.opts...)
+	res.cliRes, err = prm.cli.HeadObject(prm.ctx, &prm.cliPrm, prm.opts...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	// FIXME: object.ErrAlreadyRemoved never returns
 
@@ -213,12 +222,12 @@ func (x *PayloadRangePrm) SetRange(rng *object.Range) {
 
 // PayloadRangeRes groups resulting values of GetObject operation.
 type PayloadRangeRes struct {
-	cliRes []byte
+	cliRes *client.ObjectRangeRes
 }
 
 // PayloadRange returns data of the requested payload range.
 func (x PayloadRangeRes) PayloadRange() []byte {
-	return x.cliRes
+	return x.cliRes.Data()
 }
 
 // PayloadRange reads object payload range by address.
@@ -231,6 +240,10 @@ func (x PayloadRangeRes) PayloadRange() []byte {
 //  object.ErrAlreadyRemoved error if requested object is marked to be removed.
 func PayloadRange(prm PayloadRangePrm) (res PayloadRangeRes, err error) {
 	res.cliRes, err = prm.cli.ObjectPayloadRangeData(prm.ctx, &prm.cliPrm, prm.opts...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	// FIXME: object.ErrAlreadyRemoved never returns
 
@@ -253,12 +266,12 @@ func (x *PutObjectPrm) SetObject(obj *object.Object) {
 
 // PutObjectRes groups resulting values of PutObject operation.
 type PutObjectRes struct {
-	cliRes *object.ID
+	cliRes *client.ObjectPutRes
 }
 
 // ID returns identifier of the stored object.
 func (x PutObjectRes) ID() *object.ID {
-	return x.cliRes
+	return x.cliRes.ID()
 }
 
 // PutObject saves the object in local storage of the remote node.
@@ -270,6 +283,10 @@ func PutObject(prm PutObjectPrm) (res PutObjectRes, err error) {
 	res.cliRes, err = prm.cli.PutObject(prm.ctx, &prm.cliPrm,
 		append(prm.opts, client.WithTTL(1))...,
 	)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }
@@ -295,19 +312,23 @@ func (x *SearchObjectsPrm) SetFilters(fs object.SearchFilters) {
 
 // SearchObjectsRes groups resulting values of SearchObjects operation.
 type SearchObjectsRes struct {
-	cliRes []*object.ID
+	cliRes *client.ObjectSearchRes
 }
 
 // IDList returns identifiers of the matched objects.
 func (x SearchObjectsRes) IDList() []*object.ID {
-	return x.cliRes
+	return x.cliRes.IDList()
 }
 
 // SearchObjects selects objects from container which match the filters.
 //
 // Returns any error prevented the operation from completing correctly in error return.
 func SearchObjects(prm SearchObjectsPrm) (res SearchObjectsRes, err error) {
-	res.cliRes, err = prm.cli.SearchObject(prm.ctx, &prm.cliPrm, prm.opts...)
+	res.cliRes, err = prm.cli.SearchObjects(prm.ctx, &prm.cliPrm, prm.opts...)
+	if err == nil {
+		// pull out an error from status
+		err = apistatus.ErrFromStatus(res.cliRes.Status())
+	}
 
 	return
 }

pkg/services/object/search/v2/util.go

@@ -6,9 +6,9 @@ import (
 	"io"
 	"sync"
 
-	rpcclient "github.com/nspcc-dev/neofs-api-go/rpc/client"
 	objectV2 "github.com/nspcc-dev/neofs-api-go/v2/object"
 	"github.com/nspcc-dev/neofs-api-go/v2/rpc"
+	rpcclient "github.com/nspcc-dev/neofs-api-go/v2/rpc/client"
 	"github.com/nspcc-dev/neofs-api-go/v2/session"
 	"github.com/nspcc-dev/neofs-api-go/v2/signature"
 	"github.com/nspcc-dev/neofs-node/pkg/core/client"

pkg/services/object/sign.go

@@ -21,6 +21,8 @@ type searchStreamSigner struct {
 	util.ServerStream
 
 	respWriter util.ResponseMessageWriter
+
+	nonEmptyResp bool // set on first Send call
 }
 
 type getStreamSigner struct {
@@ -52,19 +54,20 @@ func (s *getStreamSigner) Send(resp *object.GetResponse) error {
 }
 
 func (s *SignService) Get(req *object.GetRequest, stream GetObjectStream) error {
-	respWriter, err := s.sigSvc.HandleServerStreamRequest(req,
+	return s.sigSvc.HandleServerStreamRequest(req,
 		func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.GetResponse))
 		},
-	)
+		func() util.ResponseMessage {
-	if err != nil {
+			return new(object.GetResponse)
-		return err
+		},
-	}
+		func(respWriter util.ResponseMessageWriter) error {
-
 			return s.svc.Get(req, &getStreamSigner{
 				ServerStream: stream,
 				respWriter:   respWriter,
 			})
+		},
+	)
 }
 
 func (s *putStreamSigner) Send(req *object.PutRequest) error {
@@ -94,6 +97,9 @@ func (s *SignService) Put(ctx context.Context) (PutObjectStream, error) {
 			func() (util.ResponseMessage, error) {
 				return stream.CloseAndRecv()
 			},
+			func() util.ResponseMessage {
+				return new(object.PutResponse)
+			},
 		),
 	}, nil
 }
@@ -103,6 +109,9 @@ func (s *SignService) Head(ctx context.Context, req *object.HeadRequest) (*objec
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.Head(ctx, req.(*object.HeadRequest))
 		},
+		func() util.ResponseMessage {
+			return new(object.HeadResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -112,23 +121,38 @@ func (s *SignService) Head(ctx context.Context, req *object.HeadRequest) (*objec
 }
 
 func (s *searchStreamSigner) Send(resp *object.SearchResponse) error {
+	s.nonEmptyResp = true
 	return s.respWriter(resp)
 }
 
 func (s *SignService) Search(req *object.SearchRequest, stream SearchStream) error {
-	respWriter, err := s.sigSvc.HandleServerStreamRequest(req,
+	return s.sigSvc.HandleServerStreamRequest(req,
 		func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.SearchResponse))
 		},
-	)
+		func() util.ResponseMessage {
-	if err != nil {
+			return new(object.SearchResponse)
-		return err
+		},
-	}
+		func(respWriter util.ResponseMessageWriter) error {
-
+			stream := &searchStreamSigner{
-	return s.svc.Search(req, &searchStreamSigner{
 				ServerStream: stream,
 				respWriter:   respWriter,
-	})
+			}
+
+			err := s.svc.Search(req, stream)
+
+			if err == nil && !stream.nonEmptyResp {
+				// The higher component does not write any response in the case of an empty result (which is correct).
+				// With the introduction of status returns at least one answer must be signed and sent to the client.
+				// This approach is supported by clients who do not know how to work with statuses (one could make
+				// a switch according to the protocol version from the request, but the costs of sending an empty
+				// answer can be neglected due to the gradual refusal to use the "old" clients).
+				return stream.Send(new(object.SearchResponse))
+			}
+
+			return nil
+		},
+	)
 }
 
 func (s *SignService) Delete(ctx context.Context, req *object.DeleteRequest) (*object.DeleteResponse, error) {
@@ -136,6 +160,9 @@ func (s *SignService) Delete(ctx context.Context, req *object.DeleteRequest) (*o
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.Delete(ctx, req.(*object.DeleteRequest))
 		},
+		func() util.ResponseMessage {
+			return new(object.DeleteResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -149,19 +176,20 @@ func (s *getRangeStreamSigner) Send(resp *object.GetRangeResponse) error {
 }
 
 func (s *SignService) GetRange(req *object.GetRangeRequest, stream GetObjectRangeStream) error {
-	respWriter, err := s.sigSvc.HandleServerStreamRequest(req,
+	return s.sigSvc.HandleServerStreamRequest(req,
 		func(resp util.ResponseMessage) error {
 			return stream.Send(resp.(*object.GetRangeResponse))
 		},
-	)
+		func() util.ResponseMessage {
-	if err != nil {
+			return new(object.GetRangeResponse)
-		return err
+		},
-	}
+		func(respWriter util.ResponseMessageWriter) error {
-
 			return s.svc.GetRange(req, &getRangeStreamSigner{
 				ServerStream: stream,
 				respWriter:   respWriter,
 			})
+		},
+	)
 }
 
 func (s *SignService) GetRangeHash(ctx context.Context, req *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
@@ -169,6 +197,9 @@ func (s *SignService) GetRangeHash(ctx context.Context, req *object.GetRangeHash
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.GetRangeHash(ctx, req.(*object.GetRangeHashRequest))
 		},
+		func() util.ResponseMessage {
+			return new(object.GetRangeHashResponse)
+		},
 	)
 	if err != nil {
 		return nil, err

pkg/services/reputation/rpc/sign.go

@@ -26,6 +26,9 @@ func (s *signService) AnnounceLocalTrust(ctx context.Context, req *reputation.An
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.AnnounceLocalTrust(ctx, req.(*reputation.AnnounceLocalTrustRequest))
 		},
+		func() util.ResponseMessage {
+			return new(reputation.AnnounceLocalTrustResponse)
+		},
 	)
 	if err != nil {
 		return nil, err
@@ -39,6 +42,9 @@ func (s *signService) AnnounceIntermediateResult(ctx context.Context, req *reput
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.AnnounceIntermediateResult(ctx, req.(*reputation.AnnounceIntermediateResultRequest))
 		},
+		func() util.ResponseMessage {
+			return new(reputation.AnnounceIntermediateResultResponse)
+		},
 	)
 	if err != nil {
 		return nil, err

pkg/services/session/sign.go

@@ -26,6 +26,9 @@ func (s *signService) Create(ctx context.Context, req *session.CreateRequest) (*
 		func(ctx context.Context, req interface{}) (util.ResponseMessage, error) {
 			return s.svc.Create(ctx, req.(*session.CreateRequest))
 		},
+		func() util.ResponseMessage {
+			return new(session.CreateResponse)
+		},
 	)
 	if err != nil {
 		return nil, err

pkg/services/util/sign.go

@@ -3,12 +3,18 @@ package util
 import (
 	"context"
 	"crypto/ecdsa"
+	"errors"
 	"fmt"
 
 	"github.com/nspcc-dev/neofs-api-go/v2/session"
 	"github.com/nspcc-dev/neofs-api-go/v2/signature"
+	apistatus "github.com/nspcc-dev/neofs-sdk-go/client/status"
 )
 
+type RequestMessage interface {
+	GetMetaHeader() *session.RequestMetaHeader
+}
+
 // ResponseMessage is an interface of NeoFS response message.
 type ResponseMessage interface {
 	GetMetaHeader() *session.ResponseMetaHeader
@@ -27,11 +33,9 @@ type ServerStreamHandler func(context.Context, interface{}) (ResponseMessageRead
 
 type ResponseMessageReader func() (ResponseMessage, error)
 
-type ResponseMessageStreamer struct {
+var ErrAbortStream = errors.New("abort message stream")
-	key *ecdsa.PrivateKey
 
-	recv ResponseMessageReader
+type ResponseConstructor func() ResponseMessage
-}
 
 type RequestMessageWriter func(interface{}) error
 
@@ -43,6 +47,12 @@ type RequestMessageStreamer struct {
 	send RequestMessageWriter
 
 	close ClientStreamCloser
+
+	respCons ResponseConstructor
+
+	statusSupported bool
+
+	sendErr error
 }
 
 func NewUnarySignService(key *ecdsa.PrivateKey) *SignService {
@@ -52,79 +62,192 @@ func NewUnarySignService(key *ecdsa.PrivateKey) *SignService {
 }
 
 func (s *RequestMessageStreamer) Send(req interface{}) error {
+	// req argument should be strengthen with type RequestMessage
+	s.statusSupported = isStatusSupported(req.(RequestMessage)) // panic is OK here for now
+
+	var err error
+
 	// verify request signatures
-	if err := signature.VerifyServiceMessage(req); err != nil {
+	if err = signature.VerifyServiceMessage(req); err != nil {
-		return fmt.Errorf("could not verify request: %w", err)
+		err = fmt.Errorf("could not verify request: %w", err)
+	} else {
+		err = s.send(req)
 	}
 
-	return s.send(req)
+	if err != nil {
+		if !s.statusSupported {
+			return err
+		}
+
+		s.sendErr = err
+
+		return ErrAbortStream
+	}
+
+	return nil
 }
 
 func (s *RequestMessageStreamer) CloseAndRecv() (ResponseMessage, error) {
-	resp, err := s.close()
+	var (
+		resp ResponseMessage
+		err  error
+	)
+
+	if s.sendErr != nil {
+		err = s.sendErr
+	} else {
+		resp, err = s.close()
 		if err != nil {
-		return nil, fmt.Errorf("could not close stream and receive response: %w", err)
+			err = fmt.Errorf("could not close stream and receive response: %w", err)
+		}
 	}
 
-	if err := signature.SignServiceMessage(s.key, resp); err != nil {
+	if err != nil {
-		return nil, fmt.Errorf("could not sign response: %w", err)
+		if !s.statusSupported {
+			return nil, err
+		}
+
+		var st apistatus.ServerInternal // specific API status should be set according to error
+
+		apistatus.WriteInternalServerErr(&st, err)
+
+		resp = s.respCons()
+
+		setStatusV2(resp, st)
+	}
+
+	if err = signResponse(s.key, resp, s.statusSupported); err != nil {
+		return nil, err
 	}
 
 	return resp, nil
 }
 
-func (s *SignService) CreateRequestStreamer(sender RequestMessageWriter, closer ClientStreamCloser) *RequestMessageStreamer {
+func (s *SignService) CreateRequestStreamer(sender RequestMessageWriter, closer ClientStreamCloser, blankResp ResponseConstructor) *RequestMessageStreamer {
 	return &RequestMessageStreamer{
 		key:   s.key,
 		send:  sender,
 		close: closer,
+
+		respCons: blankResp,
 	}
 }
 
-func (s *ResponseMessageStreamer) Recv() (ResponseMessage, error) {
+func (s *SignService) HandleServerStreamRequest(
-	m, err := s.recv()
+	req interface{},
-	if err != nil {
+	respWriter ResponseMessageWriter,
-		return nil, fmt.Errorf("could not receive response message for signing: %w", err)
+	blankResp ResponseConstructor,
-	}
+	respWriterCaller func(ResponseMessageWriter) error,
+) error {
+	// handle protocol versions <=2.10 (API statuses was introduced in 2.11 only)
 
-	if err := signature.SignServiceMessage(s.key, m); err != nil {
+	// req argument should be strengthen with type RequestMessage
-		return nil, fmt.Errorf("could not sign response message: %w", err)
+	statusSupported := isStatusSupported(req.(RequestMessage)) // panic is OK here for now
-	}
 
-	return m, nil
+	var err error
-}
 
-func (s *SignService) HandleServerStreamRequest(req interface{}, respWriter ResponseMessageWriter) (ResponseMessageWriter, error) {
 	// verify request signatures
-	if err := signature.VerifyServiceMessage(req); err != nil {
+	if err = signature.VerifyServiceMessage(req); err != nil {
-		return nil, fmt.Errorf("could not verify request: %w", err)
+		err = fmt.Errorf("could not verify request: %w", err)
-	}
+	} else {
-
+		err = respWriterCaller(func(resp ResponseMessage) error {
-	return func(resp ResponseMessage) error {
+			if err := signResponse(s.key, resp, statusSupported); err != nil {
-		if err := signature.SignServiceMessage(s.key, resp); err != nil {
+				return err
-			return fmt.Errorf("could not sign response message: %w", err)
 			}
 
 			return respWriter(resp)
-	}, nil
+		})
-}
-
-func (s *SignService) HandleUnaryRequest(ctx context.Context, req interface{}, handler UnaryHandler) (ResponseMessage, error) {
-	// verify request signatures
-	if err := signature.VerifyServiceMessage(req); err != nil {
-		return nil, fmt.Errorf("could not verify request: %w", err)
 	}
 
-	// process request
-	resp, err := handler(ctx, req)
 	if err != nil {
-		return nil, fmt.Errorf("could not handle request: %w", err)
+		if !statusSupported {
+			return err
+		}
+
+		var st apistatus.ServerInternal // specific API status should be set according to error
+
+		apistatus.WriteInternalServerErr(&st, err)
+
+		resp := blankResp()
+
+		setStatusV2(resp, st)
+
+		_ = signResponse(s.key, resp, false) // panics or returns nil with false arg
+
+		return respWriter(resp)
+	}
+
+	return nil
+}
+
+func (s *SignService) HandleUnaryRequest(ctx context.Context, req interface{}, handler UnaryHandler, blankResp ResponseConstructor) (ResponseMessage, error) {
+	// handle protocol versions <=2.10 (API statuses was introduced in 2.11 only)
+
+	// req argument should be strengthen with type RequestMessage
+	statusSupported := isStatusSupported(req.(RequestMessage)) // panic is OK here for now
+
+	var (
+		resp ResponseMessage
+		err  error
+	)
+
+	// verify request signatures
+	if err = signature.VerifyServiceMessage(req); err != nil {
+		err = fmt.Errorf("could not verify request: %w", err)
+	} else {
+		// process request
+		resp, err = handler(ctx, req)
+	}
+
+	if err != nil {
+		if !statusSupported {
+			return nil, err
+		}
+
+		var st apistatus.ServerInternal // specific API status should be set according to error
+
+		apistatus.WriteInternalServerErr(&st, err)
+
+		resp = blankResp()
+
+		setStatusV2(resp, st)
 	}
 
 	// sign the response
-	if err := signature.SignServiceMessage(s.key, resp); err != nil {
+	if err = signResponse(s.key, resp, statusSupported); err != nil {
-		return nil, fmt.Errorf("could not sign response: %w", err)
+		return nil, err
 	}
 
 	return resp, nil
 }
+
+func isStatusSupported(req RequestMessage) bool {
+	version := req.GetMetaHeader().GetVersion()
+
+	mjr := version.GetMajor()
+
+	return mjr > 2 || mjr == 2 && version.GetMinor() >= 11
+}
+
+func setStatusV2(resp ResponseMessage, st apistatus.Status) {
+	session.SetStatus(resp, apistatus.ToStatusV2(st))
+}
+
+// signs response with private key via signature.SignServiceMessage.
+// The signature error affects the result depending on the protocol version:
+//  * if status return is supported, panics since we cannot return the failed status, because it will not be signed;
+//  * otherwise, returns error in order to transport it directly.
+func signResponse(key *ecdsa.PrivateKey, resp interface{}, statusSupported bool) error {
+	err := signature.SignServiceMessage(key, resp)
+	if err != nil {
+		err = fmt.Errorf("could not sign response: %w", err)
+
+		if statusSupported {
+			// We can't pass this error as status code since response will be unsigned.
+			// Isn't expected in practice, so panic is ok here.
+			panic(err)
+		}
+	}
+
+	return err
+}