frostfs-node/pkg/morph/event/netmap/update_peer.go

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package netmap
import (
"crypto/elliptic"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
"github.com/nspcc-dev/neofs-api-go/pkg/netmap"
v2netmap "github.com/nspcc-dev/neofs-api-go/v2/netmap"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
"github.com/nspcc-dev/neofs-node/pkg/morph/event"
"github.com/pkg/errors"
)
type UpdatePeer struct {
publicKey *keys.PublicKey
status netmap.NodeState
}
// MorphEvent implements Neo:Morph Event interface.
func (UpdatePeer) MorphEvent() {}
func (s UpdatePeer) Status() netmap.NodeState {
return s.status
}
func (s UpdatePeer) PublicKey() *keys.PublicKey {
return s.publicKey
}
func ParseUpdatePeer(prms []stackitem.Item) (event.Event, error) {
var (
ev UpdatePeer
err error
)
if ln := len(prms); ln != 2 {
return nil, event.WrongNumberOfParameters(2, ln)
}
// parse public key
key, err := client.BytesFromStackItem(prms[1])
if err != nil {
return nil, errors.Wrap(err, "could not get public key")
}
ev.publicKey, err = keys.NewPublicKeyFromBytes(key, elliptic.P256())
if err != nil {
return nil, errors.Wrap(err, "could not parse public key")
}
// parse node status
st, err := client.IntFromStackItem(prms[0])
if err != nil {
return nil, errors.Wrap(err, "could not get node status")
}
ev.status = netmap.NodeStateFromV2(v2netmap.NodeState(st))
return ev, nil
}