From 0c83e84613f913024d91857ad430f977837e64b6 Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Tue, 25 Aug 2020 19:18:24 +0300
Subject: [PATCH] [#13] services/object: Implement GetRangeHash handlers

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 pkg/services/object/executor.go | 13 +++++++++++--
 pkg/services/object/sign.go     | 28 ++++++++++++++++++++--------
 2 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/pkg/services/object/executor.go b/pkg/services/object/executor.go
index 845f3758a..2e84db608 100644
--- a/pkg/services/object/executor.go
+++ b/pkg/services/object/executor.go
@@ -205,6 +205,15 @@ func (s *executorSvc) GetRange(ctx context.Context, req *object.GetRangeRequest)
 	}, nil
 }
 
-func (*executorSvc) GetRangeHash(context.Context, *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
-	panic("implement me")
+func (s *executorSvc) GetRangeHash(ctx context.Context, req *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
+	respBody, err := s.exec.GetRangeHash(ctx, req.GetBody())
+	if err != nil {
+		return nil, errors.Wrap(err, "could not execute GetRangeHash request")
+	}
+
+	resp := new(object.GetRangeHashResponse)
+	resp.SetBody(respBody)
+	resp.SetMetaHeader(s.metaHeader)
+
+	return resp, nil
 }
diff --git a/pkg/services/object/sign.go b/pkg/services/object/sign.go
index f0e09bc76..5d62a260b 100644
--- a/pkg/services/object/sign.go
+++ b/pkg/services/object/sign.go
@@ -13,12 +13,13 @@ import (
 type signService struct {
 	key *ecdsa.PrivateKey
 
-	searchSigService *util.UnarySignService
-	getSigService    *util.UnarySignService
-	putService       object.Service
-	rangeSigService  *util.UnarySignService
-	headSigService   *util.UnarySignService
-	delSigService    *util.UnarySignService
+	searchSigService    *util.UnarySignService
+	getSigService       *util.UnarySignService
+	putService          object.Service
+	rangeSigService     *util.UnarySignService
+	headSigService      *util.UnarySignService
+	delSigService       *util.UnarySignService
+	rangeHashSigService *util.UnarySignService
 }
 
 type searchStreamSigner struct {
@@ -79,6 +80,12 @@ func NewSignService(key *ecdsa.PrivateKey, svc object.Service) object.Service {
 				return svc.Delete(ctx, req.(*object.DeleteRequest))
 			},
 		),
+		rangeHashSigService: util.NewUnarySignService(
+			key,
+			func(ctx context.Context, req interface{}) (interface{}, error) {
+				return svc.GetRangeHash(ctx, req.(*object.GetRangeHashRequest))
+			},
+		),
 	}
 }
 
@@ -208,6 +215,11 @@ func (s *signService) GetRange(ctx context.Context, req *object.GetRangeRequest)
 	}, nil
 }
 
-func (s *signService) GetRangeHash(context.Context, *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
-	panic("implement me")
+func (s *signService) GetRangeHash(ctx context.Context, req *object.GetRangeHashRequest) (*object.GetRangeHashResponse, error) {
+	resp, err := s.rangeHashSigService.HandleUnaryRequest(ctx, req)
+	if err != nil {
+		return nil, err
+	}
+
+	return resp.(*object.GetRangeHashResponse), nil
 }