[#243] service/object: Fix object chain assembly for tombstone body

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

go.mod

@@ -17,7 +17,7 @@ require (
 	github.com/multiformats/go-multihash v0.0.13 // indirect
 	github.com/nspcc-dev/hrw v1.0.9
 	github.com/nspcc-dev/neo-go v0.91.1-pre.0.20201030072836-71216865717b
-	github.com/nspcc-dev/neofs-api-go v1.20.3-0.20201211081945-1bc91466aa7b
+	github.com/nspcc-dev/neofs-api-go v1.20.3-0.20201211114827-2aa51d3add29
 	github.com/nspcc-dev/neofs-crypto v0.3.0
 	github.com/nspcc-dev/tzhash v1.4.0
 	github.com/panjf2000/ants/v2 v2.3.0

pkg/services/object/delete/exec.go

@@ -137,6 +137,7 @@ func (exec *execCtx) collectChain() bool {
 	exec.log.Debug("assembling chain...")
 
 	for prev := exec.splitInfo.LastPart(); prev != nil; {
+		chain = append(chain, prev)
 		prev, err = exec.svc.header.previous(exec, prev)
 
 		switch {
@@ -154,12 +155,9 @@ func (exec *execCtx) collectChain() bool {
 			exec.status = statusOK
 			exec.err = nil
 		}
-
-		chain = append(chain, prev)
 	}
 
 	exec.addMembers(chain)
-	exec.tombstone.SetSplitID(exec.splitInfo.SplitID())
 
 	return true
 }

pkg/services/object/delete/local.go

@@ -37,6 +37,8 @@ func (exec *execCtx) formTombstone() (ok bool) {
 
 	exec.log.Debug("split info successfully formed, collecting members...")
 
+	exec.tombstone.SetSplitID(exec.splitInfo.SplitID())
+
 	ok = exec.collectMembers()
 	if !ok {
 		return

pkg/services/object/delete/util.go

@@ -99,7 +99,7 @@ func (w *searchSvcWrapper) splitMembers(exec *execCtx) ([]*objectSDK.ID, error)
 	return wr.ids, nil
 }
 
-func (s simpleIDWriter) WriteIDs(ids []*objectSDK.ID) error {
+func (s *simpleIDWriter) WriteIDs(ids []*objectSDK.ID) error {
 	s.ids = append(s.ids, ids...)
 
 	return nil