frostfs-node/pkg/innerring/processors/reputation/process_put.go

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package reputation
import (
"bytes"
"encoding/hex"
"errors"
"fmt"
repClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/reputation"
reputationEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/reputation"
"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
apireputation "github.com/nspcc-dev/neofs-sdk-go/reputation"
"go.uber.org/zap"
)
var errWrongManager = errors.New("got manager that is incorrect for peer")
func (rp *Processor) processPut(e *reputationEvent.Put) {
if !rp.alphabetState.IsAlphabet() {
rp.log.Info("non alphabet mode, ignore reputation put notification")
return
}
epoch := e.Epoch()
id := e.PeerID()
value := e.Value()
// check if epoch is valid
currentEpoch := rp.epochState.EpochCounter()
if epoch >= currentEpoch {
rp.log.Info("ignore reputation value",
zap.String("reason", "invalid epoch number"),
zap.Uint64("trust_epoch", epoch),
zap.Uint64("local_epoch", currentEpoch))
return
}
// check signature
if err := value.VerifySignature(); err != nil {
rp.log.Info("ignore reputation value",
zap.String("reason", "invalid signature"),
zap.String("error", err.Error()))
return
}
// check if manager is correct
if err := rp.checkManagers(epoch, *value.Manager(), id); err != nil {
rp.log.Info("ignore reputation value",
zap.String("reason", "wrong manager"),
zap.String("error", err.Error()))
return
}
rp.approvePutReputation(e)
}
func (rp *Processor) checkManagers(e uint64, mng apireputation.PeerID, peer apireputation.PeerID) error {
mm, err := rp.mngBuilder.BuildManagers(e, reputation.PeerIDFromBytes(peer.ToV2().GetPublicKey()))
if err != nil {
return fmt.Errorf("could not build managers: %w", err)
}
for _, m := range mm {
// FIXME: #1147 do not use `ToV2` method outside neofs-api-go library
if bytes.Equal(mng.ToV2().GetPublicKey(), m.PublicKey()) {
return nil
}
}
return errWrongManager
}
func (rp *Processor) approvePutReputation(e *reputationEvent.Put) {
var (
id = e.PeerID()
err error
)
if nr := e.NotaryRequest(); nr != nil {
// put event was received via Notary service
err = rp.reputationWrp.Morph().NotarySignAndInvokeTX(nr.MainTransaction)
} else {
args := repClient.PutPrm{}
args.SetEpoch(e.Epoch())
args.SetPeerID(id)
args.SetValue(e.Value())
err = rp.reputationWrp.Put(args)
}
if err != nil {
// FIXME: #1147 do not use `ToV2` method outside neofs-api-go library
rp.log.Warn("can't send approval tx for reputation value",
zap.String("peer_id", hex.EncodeToString(id.ToV2().GetPublicKey())),
zap.String("error", err.Error()))
}
}