package container import ( "fmt" "github.com/nspcc-dev/neo-go/pkg/network/payload" "github.com/nspcc-dev/neo-go/pkg/rpc/response/result/subscriptions" "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 token []byte // For notary notifications only. // Contains raw transactions of notary request. notaryRequest *payload.P2PNotaryRequest } // MorphEvent implements Neo:Morph Event interface. func (Delete) MorphEvent() {} // ContainerID 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 } // SessionToken returns binary token of the session // within which the eACL was set. func (d Delete) SessionToken() []byte { return d.token } // NotaryRequest returns raw notary request if notification // was received via notary service. Otherwise, returns nil. func (d Delete) NotaryRequest() *payload.P2PNotaryRequest { return d.notaryRequest } const expectedItemNumDelete = 3 // ParseDelete from notification into container event structure. // // Expects 3 stack items. func ParseDelete(e *subscriptions.NotificationEvent) (event.Event, error) { var ( ev Delete err error ) params, err := event.ParseStackArray(e) if err != nil { return nil, fmt.Errorf("could not parse stack items from notify event: %w", err) } if ln := len(params); ln != expectedItemNumDelete { return nil, event.WrongNumberOfParameters(expectedItemNumDelete, 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) } // parse session token ev.token, err = client.BytesFromStackItem(params[2]) if err != nil { return nil, fmt.Errorf("could not get session token: %w", err) } return ev, nil }