[#149] sdk/object: Add address field getters and setters

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/object/address.go

@@ -1,6 +1,7 @@
 package object
 
 import (
+	"github.com/nspcc-dev/neofs-api-go/pkg/container"
 	"github.com/nspcc-dev/neofs-api-go/v2/refs"
 	"github.com/pkg/errors"
 )
@@ -34,3 +35,27 @@ func AddressFromBytes(data []byte) (*Address, error) {
 
 	return NewAddressFromV2(addrV2), nil
 }
+
+// GetContainerID returns container identifier.
+func (a *Address) GetContainerID() *container.ID {
+	return container.NewIDFromV2(
+		(*refs.Address)(a).GetContainerID(),
+	)
+}
+
+// SetContainerID sets container identifier.
+func (a *Address) SetContainerID(id *container.ID) {
+	(*refs.Address)(a).SetContainerID(id.ToV2())
+}
+
+// GetObjectID returns object identifier.
+func (a *Address) GetObjectID() *ID {
+	return NewIDFromV2(
+		(*refs.Address)(a).GetObjectID(),
+	)
+}
+
+// SetObjectID sets object identifier.
+func (a *Address) SetObjectID(id *ID) {
+	(*refs.Address)(a).SetObjectID(id.ToV2())
+}

pkg/object/address_test.go

@@ -0,0 +1,29 @@
+package object
+
+import (
+	"testing"
+
+	"github.com/nspcc-dev/neofs-api-go/pkg/container"
+	"github.com/stretchr/testify/require"
+)
+
+func TestAddress_SetContainerID(t *testing.T) {
+	a := NewAddress()
+
+	cid := container.NewID()
+	cid.SetSHA256(randSHA256Checksum(t))
+
+	a.SetContainerID(cid)
+
+	require.Equal(t, cid, a.GetContainerID())
+}
+
+func TestAddress_SetObjectID(t *testing.T) {
+	a := NewAddress()
+
+	oid := randID(t)
+
+	a.SetObjectID(oid)
+
+	require.Equal(t, oid, a.GetObjectID())
+}