package neofs import ( "crypto/elliptic" "github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neo-go/pkg/vm/stackitem" "github.com/nspcc-dev/neofs-node/pkg/morph/client" "github.com/nspcc-dev/neofs-node/pkg/morph/event" "github.com/pkg/errors" ) type Bind struct { user util.Uint160 keys []*keys.PublicKey } // MorphEvent implements Neo:Morph Event interface. func (Bind) MorphEvent() {} func (b Bind) Keys() []*keys.PublicKey { return b.keys } func (b Bind) User() util.Uint160 { return b.user } func ParseBind(params []stackitem.Item) (event.Event, error) { var ( ev Bind err error ) if ln := len(params); ln != 2 { return nil, event.WrongNumberOfParameters(2, ln) } // parse user user, err := client.BytesFromStackItem(params[0]) if err != nil { return nil, errors.Wrap(err, "could not get bind user") } ev.user, err = util.Uint160DecodeBytesBE(user) if err != nil { return nil, errors.Wrap(err, "could not convert bind user to uint160") } // parse keys bindKeys, err := client.ArrayFromStackItem(params[1]) if err != nil { return nil, errors.Wrap(err, "could not get bind keys") } ev.keys = make([]*keys.PublicKey, 0, len(bindKeys)) for i := range bindKeys { rawKey, err := client.BytesFromStackItem(bindKeys[i]) if err != nil { return nil, errors.Wrap(err, "could not get bind public key") } key, err := keys.NewPublicKeyFromBytes(rawKey, elliptic.P256()) if err != nil { return nil, errors.Wrap(err, "could not parse bind public key") } ev.keys = append(ev.keys, key) } return ev, nil }