[#222] Add Inhume method for shard

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

pkg/local_object_storage/shard/inhume.go

@@ -0,0 +1,39 @@
+package shard
+
+import (
+	objectSDK "github.com/nspcc-dev/neofs-api-go/pkg/object"
+	"go.uber.org/zap"
+)
+
+// InhumePrm encapsulates parameters for inhume operation.
+type InhumePrm struct {
+	target    *objectSDK.Address
+	tombstone *objectSDK.Address
+}
+
+// InhumeRes encapsulates results of inhume operation.
+type InhumeRes struct{}
+
+// WithTarget sets object address that should be inhumed and tombstone address
+// as the reason for inhume operation.
+func (p *InhumePrm) WithTarget(addr, tombstone *objectSDK.Address) *InhumePrm {
+	if p != nil {
+		p.target = addr
+		p.tombstone = tombstone
+	}
+
+	return p
+}
+
+// Inhume calls metabase. Inhume method to mark object as removed. It won't be
+// removed physically from blobStor and metabase until `Delete` operation.
+func (s *Shard) Inhume(prm *InhumePrm) (*InhumeRes, error) {
+	err := s.metaBase.Inhume(prm.target, prm.tombstone)
+	if err != nil {
+		s.log.Debug("could not mark object to delete in metabase",
+			zap.String("error", err.Error()),
+		)
+	}
+
+	return new(InhumeRes), nil
+}