frostfs-node/pkg/morph/event/container/delete.go
Pavel Karpy 60e3ea978f [] *: Group all 3rd parties imports
Signed-off-by: Pavel Karpy <carpawell@nspcc.ru>
2021-11-19 09:58:03 +03:00

83 lines
2.2 KiB
Go

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
}