frostfs-node/pkg/morph/event/container/delete.go
Evgenii Stratonikov 71b87155ef [#521] *: use stdlib errors package
Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>
2021-05-19 16:42:54 +03:00

50 lines
1.2 KiB
Go

package container
import (
"fmt"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
)
// Delete structure of container.Delete notification from morph chain.
type Delete struct {
containerID []byte
signature []byte
}
// MorphEvent implements Neo:Morph Event interface.
func (Delete) MorphEvent() {}
// Container is a marshalled container structure, defined in API.
func (d Delete) ContainerID() []byte { return d.containerID }
// Signature of marshalled container by container owner.
func (d Delete) Signature() []byte { return d.signature }
// ParseDelete from notification into container event structure.
func ParseDelete(params []stackitem.Item) (event.Event, error) {
var (
ev Delete
err error
)
if ln := len(params); ln != 2 {
return nil, event.WrongNumberOfParameters(2, ln)
}
// parse container
ev.containerID, err = client.BytesFromStackItem(params[0])
if err != nil {
return nil, fmt.Errorf("could not get container: %w", err)
}
// parse signature
ev.signature, err = client.BytesFromStackItem(params[1])
if err != nil {
return nil, fmt.Errorf("could not get signature: %w", err)
}
return ev, nil
}