From d691a20d52b6d2835c018d8f1e2b53bd0100b434 Mon Sep 17 00:00:00 2001
From: Leonard Lyubich <leonard@nspcc.ru>
Date: Wed, 26 May 2021 13:30:08 +0300
Subject: [PATCH] [#525] core/container: Define removal witness

Define `RemovalWitness` structure which groups the information required to
prove and verify the removal of a container. This type is going to be used
in container Delete-related methods.

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>
---
 pkg/core/container/delete.go | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 pkg/core/container/delete.go

diff --git a/pkg/core/container/delete.go b/pkg/core/container/delete.go
new file mode 100644
index 000000000..dc13b1dbc
--- /dev/null
+++ b/pkg/core/container/delete.go
@@ -0,0 +1,35 @@
+package container
+
+import (
+	cid "github.com/nspcc-dev/neofs-api-go/pkg/container/id"
+)
+
+// RemovalWitness groups the information required
+// to prove and verify the removal of a container.
+type RemovalWitness struct {
+	cid *cid.ID
+
+	sig []byte
+}
+
+// ContainerID returns identifier of the container
+// to be removed.
+func (x RemovalWitness) ContainerID() *cid.ID {
+	return x.cid
+}
+
+// SetContainerID sets identifier of the container
+// to be removed.
+func (x *RemovalWitness) SetContainerID(id *cid.ID) {
+	x.cid = id
+}
+
+// Signature returns signature of the container identifier.
+func (x RemovalWitness) Signature() []byte {
+	return x.sig
+}
+
+// SetSignature sets signature of the container identifier.
+func (x *RemovalWitness) SetSignature(sig []byte) {
+	x.sig = sig
+}