frostfs-node/pkg/morph/event/neofs/ir_update.go

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package frostfs
import (
"crypto/elliptic"
"fmt"
"github.com/TrueCloudLab/frostfs-node/pkg/morph/client"
"github.com/TrueCloudLab/frostfs-node/pkg/morph/event"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
"github.com/nspcc-dev/neo-go/pkg/vm/stackitem"
)
type UpdateInnerRing struct {
keys []*keys.PublicKey
}
// MorphEvent implements Neo:Morph Event interface.
func (UpdateInnerRing) MorphEvent() {}
func (u UpdateInnerRing) Keys() []*keys.PublicKey { return u.keys }
func ParseUpdateInnerRing(params []stackitem.Item) (event.Event, error) {
var (
ev UpdateInnerRing
err error
)
if ln := len(params); ln != 1 {
return nil, event.WrongNumberOfParameters(1, ln)
}
// parse keys
irKeys, err := client.ArrayFromStackItem(params[0])
if err != nil {
return nil, fmt.Errorf("could not get updated inner ring keys: %w", err)
}
ev.keys = make([]*keys.PublicKey, 0, len(irKeys))
for i := range irKeys {
rawKey, err := client.BytesFromStackItem(irKeys[i])
if err != nil {
return nil, fmt.Errorf("could not get updated inner ring public key: %w", err)
}
key, err := keys.NewPublicKeyFromBytes(rawKey, elliptic.P256())
if err != nil {
return nil, fmt.Errorf("could not parse updated inner ring public key: %w", err)
}
ev.keys = append(ev.keys, key)
}
return ev, nil
}