frostfs-node/pkg/morph/event/neofs/bind.go
Alex Vanin 174efc9df3 [] Update neo-go to pre-preview4 version
Neo-go does not use smartcontract.Parameter to return values
anymore, so it's convertes partly removed from neofs-node.

Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2020-11-02 13:54:31 +03:00

69 lines
1.6 KiB
Go

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
}