forked from TrueCloudLab/frostfs-node
83 lines
2.2 KiB
Go
83 lines
2.2 KiB
Go
package container
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import (
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/network/payload"
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"github.com/nspcc-dev/neo-go/pkg/rpc/response/result/subscriptions"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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)
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// Delete structure of container.Delete notification from morph chain.
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type Delete struct {
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containerID []byte
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signature []byte
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token []byte
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// For notary notifications only.
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// Contains raw transactions of notary request.
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notaryRequest *payload.P2PNotaryRequest
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}
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// MorphEvent implements Neo:Morph Event interface.
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func (Delete) MorphEvent() {}
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// ContainerID is a marshalled container structure, defined in API.
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func (d Delete) ContainerID() []byte { return d.containerID }
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// Signature of marshalled container by container owner.
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func (d Delete) Signature() []byte { return d.signature }
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// SessionToken returns binary token of the session
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// within which the eACL was set.
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func (d Delete) SessionToken() []byte {
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return d.token
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}
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// NotaryRequest returns raw notary request if notification
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// was received via notary service. Otherwise, returns nil.
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func (d Delete) NotaryRequest() *payload.P2PNotaryRequest {
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return d.notaryRequest
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}
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const expectedItemNumDelete = 3
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// ParseDelete from notification into container event structure.
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//
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// Expects 3 stack items.
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func ParseDelete(e *subscriptions.NotificationEvent) (event.Event, error) {
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var (
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ev Delete
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err error
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)
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params, err := event.ParseStackArray(e)
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if err != nil {
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return nil, fmt.Errorf("could not parse stack items from notify event: %w", err)
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}
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if ln := len(params); ln != expectedItemNumDelete {
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return nil, event.WrongNumberOfParameters(expectedItemNumDelete, ln)
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}
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// parse container
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ev.containerID, err = client.BytesFromStackItem(params[0])
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if err != nil {
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return nil, fmt.Errorf("could not get container: %w", err)
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}
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// parse signature
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ev.signature, err = client.BytesFromStackItem(params[1])
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if err != nil {
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return nil, fmt.Errorf("could not get signature: %w", err)
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}
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// parse session token
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ev.token, err = client.BytesFromStackItem(params[2])
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if err != nil {
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return nil, fmt.Errorf("could not get session token: %w", err)
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}
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return ev, nil
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}
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