container: implement SignedDataSource on DeleteRequest message

container/sign.go

@@ -64,3 +64,34 @@ func (m PutRequest) ReadSignedData(p []byte) (int, error) {
 
 	return off, nil
 }
+
+// SignedData returns payload bytes of the request.
+func (m DeleteRequest) SignedData() ([]byte, error) {
+	data := make([]byte, m.SignedDataSize())
+
+	if _, err := m.ReadSignedData(data); err != nil {
+		return nil, err
+	}
+
+	return data, nil
+}
+
+// SignedDataSize returns payload size of the request.
+func (m DeleteRequest) SignedDataSize() (sz int) {
+	return m.GetCID().Size()
+}
+
+// ReadSignedData copies payload bytes to passed buffer.
+//
+// If the Request size is insufficient, io.ErrUnexpectedEOF returns.
+func (m DeleteRequest) ReadSignedData(p []byte) (int, error) {
+	if len(p) < m.SignedDataSize() {
+		return 0, io.ErrUnexpectedEOF
+	}
+
+	var off int
+
+	off += copy(p[off:], m.GetCID().Bytes())
+
+	return off, nil
+}

container/sign_test.go

@@ -22,7 +22,7 @@ func TestRequestSign(t *testing.T) {
 		constructor    func() sigType
 		payloadCorrupt []func(sigType)
 	}{
-		{ // Request
+		{ // PutRequest
 			constructor: func() sigType {
 				return new(PutRequest)
 			},
@@ -63,6 +63,21 @@ func TestRequestSign(t *testing.T) {
 				},
 			},
 		},
+		{ // DeleteRequest
+			constructor: func() sigType {
+				return new(DeleteRequest)
+			},
+			payloadCorrupt: []func(sigType){
+				func(s sigType) {
+					req := s.(*DeleteRequest)
+
+					cid := req.GetCID()
+					cid[0]++
+
+					req.SetCID(cid)
+				},
+			},
+		},
 	}
 
 	for _, item := range items {

container/types.go

@@ -128,3 +128,13 @@ func (m *PutRequest) SetRules(rules netmap.PlacementRule) {
 func (m *PutRequest) SetBasicACL(acl uint32) {
 	m.BasicACL = acl
 }
+
+// GetCID is a CID field getter.
+func (m DeleteRequest) GetCID() CID {
+	return m.CID
+}
+
+// SetCID is a CID field setter.
+func (m *DeleteRequest) SetCID(cid CID) {
+	m.CID = cid
+}

container/types_test.go

@@ -107,3 +107,14 @@ func TestPutRequestGettersSetters(t *testing.T) {
 		require.Equal(t, bACL, m.GetBasicACL())
 	})
 }
+
+func TestDeleteRequestGettersSetters(t *testing.T) {
+	t.Run("cid", func(t *testing.T) {
+		cid := CID{1, 2, 3}
+		m := new(DeleteRequest)
+
+		m.SetCID(cid)
+
+		require.Equal(t, cid, m.GetCID())
+	})
+}