forked from TrueCloudLab/frostfs-node
83 lines
1.8 KiB
Go
83 lines
1.8 KiB
Go
package netmap
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import (
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"crypto/elliptic"
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"errors"
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"fmt"
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"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
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"github.com/nspcc-dev/neo-go/pkg/vm/opcode"
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v2netmap "github.com/nspcc-dev/neofs-api-go/v2/netmap"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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)
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var errNilPubKey = errors.New("could not parse public key: public key is nil")
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func (s *UpdatePeer) setPublicKey(v []byte) (err error) {
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if v == nil {
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return errNilPubKey
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}
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s.publicKey, err = keys.NewPublicKeyFromBytes(v, elliptic.P256())
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if err != nil {
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return fmt.Errorf("could not parse public key: %w", err)
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}
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return
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}
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const (
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// UpdateStateNotaryEvent is method name for netmap state updating
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// operations in `Netmap` contract. Is used as identificator for
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// notary delete container requests.
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UpdateStateNotaryEvent = "updateState"
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)
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// ParseUpdatePeerNotary from NotaryEvent into netmap event structure.
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func ParseUpdatePeerNotary(ne event.NotaryEvent) (event.Event, error) {
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var (
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ev UpdatePeer
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err error
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currCode opcode.Opcode
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)
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fieldNum := 0
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for _, op := range ne.Params() {
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currCode = op.Code()
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switch {
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case fieldNum == 0 && opcode.PUSHDATA1 <= currCode && currCode <= opcode.PUSHDATA4:
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err = ev.setPublicKey(op.Param())
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if err != nil {
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return nil, err
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}
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fieldNum++
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case fieldNum == 1:
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state, err := event.IntFromOpcode(op)
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if err != nil {
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return nil, err
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}
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switch v2netmap.NodeState(state) {
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default:
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return nil, fmt.Errorf("unsupported node state %d", err)
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case v2netmap.Offline:
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case v2netmap.Online:
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ev.online = true
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}
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fieldNum++
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case fieldNum == expectedItemNumUpdatePeer:
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return nil, event.UnexpectedArgNumErr(UpdateStateNotaryEvent)
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default:
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return nil, event.UnexpectedOpcode(UpdateStateNotaryEvent, currCode)
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}
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}
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ev.notaryRequest = ne.Raw()
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return ev, nil
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}
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