frostfs-node/pkg/innerring/invoke/chain.go
Alex Vanin f9304fb2cb [#446] innerring: Remove inner ring list method
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
2021-03-26 11:53:10 +03:00

42 lines
1 KiB
Go

package invoke
import (
"bytes"
"crypto/ecdsa"
"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
crypto "github.com/nspcc-dev/neofs-crypto"
"github.com/nspcc-dev/neofs-node/pkg/morph/client"
)
// InnerRingIndex returns index of the `key` in the inner ring list from sidechain
// along with total size of inner ring list. If key is not in the inner ring list,
// then returns `-1` as index.
func InnerRingIndex(cli *client.Client, key *ecdsa.PublicKey) (int32, int32, error) {
if cli == nil {
return 0, 0, client.ErrNilClient
}
innerRing, err := cli.NeoFSAlphabetList()
if err != nil {
return 0, 0, err
}
return keyPosition(key, innerRing), int32(len(innerRing)), nil
}
// keyPosition returns "-1" if key is not found in the list, otherwise returns
// index of the key.
func keyPosition(key *ecdsa.PublicKey, list keys.PublicKeys) (result int32) {
result = -1
rawBytes := crypto.MarshalPublicKey(key)
for i := range list {
if bytes.Equal(list[i].Bytes(), rawBytes) {
result = int32(i)
break
}
}
return result
}