99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
package reputation
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import (
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"bytes"
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"encoding/hex"
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"errors"
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"fmt"
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repClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/reputation"
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reputationEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/reputation"
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"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
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apireputation "github.com/nspcc-dev/neofs-sdk-go/reputation"
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"go.uber.org/zap"
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)
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var errWrongManager = errors.New("got manager that is incorrect for peer")
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func (rp *Processor) processPut(e *reputationEvent.Put) {
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if !rp.alphabetState.IsAlphabet() {
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rp.log.Info("non alphabet mode, ignore reputation put notification")
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return
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}
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epoch := e.Epoch()
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id := e.PeerID()
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value := e.Value()
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// check if epoch is valid
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currentEpoch := rp.epochState.EpochCounter()
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if epoch >= currentEpoch {
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rp.log.Info("ignore reputation value",
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zap.String("reason", "invalid epoch number"),
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zap.Uint64("trust_epoch", epoch),
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zap.Uint64("local_epoch", currentEpoch))
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return
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}
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// check signature
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if err := value.VerifySignature(); err != nil {
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rp.log.Info("ignore reputation value",
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zap.String("reason", "invalid signature"),
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zap.String("error", err.Error()))
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return
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}
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// check if manager is correct
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if err := rp.checkManagers(epoch, *value.Manager(), id); err != nil {
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rp.log.Info("ignore reputation value",
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zap.String("reason", "wrong manager"),
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zap.String("error", err.Error()))
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return
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}
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rp.approvePutReputation(e)
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}
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func (rp *Processor) checkManagers(e uint64, mng apireputation.PeerID, peer apireputation.PeerID) error {
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mm, err := rp.mngBuilder.BuildManagers(e, reputation.PeerIDFromBytes(peer.ToV2().GetPublicKey()))
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if err != nil {
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return fmt.Errorf("could not build managers: %w", err)
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}
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for _, m := range mm {
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// FIXME: do not use `ToV2` method outside neofs-api-go library
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if bytes.Equal(mng.ToV2().GetPublicKey(), m.PublicKey()) {
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return nil
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}
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}
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return errWrongManager
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}
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func (rp *Processor) approvePutReputation(e *reputationEvent.Put) {
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var (
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id = e.PeerID()
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err error
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)
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if nr := e.NotaryRequest(); nr != nil {
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// put event was received via Notary service
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err = rp.reputationWrp.Morph().NotarySignAndInvokeTX(nr.MainTransaction)
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} else {
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args := repClient.PutPrm{}
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args.SetEpoch(e.Epoch())
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args.SetPeerID(id)
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args.SetValue(e.Value())
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err = rp.reputationWrp.Put(args)
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}
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if err != nil {
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// FIXME: do not use `ToV2` method outside neofs-api-go library
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rp.log.Warn("can't send approval tx for reputation value",
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zap.String("peer_id", hex.EncodeToString(id.ToV2().GetPublicKey())),
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zap.String("error", err.Error()))
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}
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}
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