frostfs-node/pkg/morph/event/container/put.go

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package container
import (
"fmt"
"github.com/nspcc-dev/neo-go/pkg/core/state"
"github.com/nspcc-dev/neo-go/pkg/network/payload"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
)
// Put structure of container.Put notification from morph chain.
type Put struct {
rawContainer []byte
signature []byte
publicKey []byte
token []byte
// For notary notifications only.
// Contains raw transactions of notary request.
notaryRequest *payload.P2PNotaryRequest
}
const expectedItemNumPut = 4
// MorphEvent implements Neo:Morph Event interface.
func (Put) MorphEvent() {}
// Container is a marshalled container structure, defined in API.
func (p Put) Container() []byte { return p.rawContainer }
// Signature of marshalled container by container owner.
func (p Put) Signature() []byte { return p.signature }
// PublicKey of container owner.
func (p Put) PublicKey() []byte { return p.publicKey }
// SessionToken returns binary token of the session
// within which the container was created.
func (p Put) SessionToken() []byte {
return p.token
}
// NotaryRequest returns raw notary request if notification
// was received via notary service. Otherwise, returns nil.
func (p Put) NotaryRequest() *payload.P2PNotaryRequest {
return p.notaryRequest
}
// PutNamed represents notification event spawned by PutNamed method from Container contract of NeoFS Morph chain.
type PutNamed struct {
Put
name, zone string
}
// Name returns "name" arg of contract call.
func (x PutNamed) Name() string {
return x.name
}
// Zone returns "zone" arg of contract call.
func (x PutNamed) Zone() string {
return x.zone
}
// ParsePut from notification into container event structure.
func ParsePut(e *state.ContainedNotificationEvent) (event.Event, error) {
var (
ev Put
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 != expectedItemNumPut {
return nil, event.WrongNumberOfParameters(expectedItemNumPut, ln)
}
// parse container
ev.rawContainer, 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 public key
ev.publicKey, err = client.BytesFromStackItem(params[2])
if err != nil {
return nil, fmt.Errorf("could not get public key: %w", err)
}
// parse session token
ev.token, err = client.BytesFromStackItem(params[3])
if err != nil {
return nil, fmt.Errorf("could not get sesison token: %w", err)
}
return ev, nil
}