forked from TrueCloudLab/frostfs-node
[#452] innerring: Add reputation processor
Signed-off-by: Alex Vanin <alexey@nspcc.ru>
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335b31206f
commit
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3 changed files with 174 additions and 0 deletions
31
pkg/innerring/processors/reputation/handlers.go
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31
pkg/innerring/processors/reputation/handlers.go
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package reputation
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import (
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"encoding/hex"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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reputationEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/reputation"
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"go.uber.org/zap"
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)
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func (rp *Processor) handlePutReputation(ev event.Event) {
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put := ev.(reputationEvent.Put)
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rp.log.Info("notification",
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zap.String("type", "reputation put"),
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zap.String("peer_id", hex.EncodeToString(put.PeerID().Bytes())))
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// send event to the worker pool
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err := rp.pool.Submit(func() {
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rp.processPut(
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put.Epoch(),
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put.PeerID(),
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put.Value(),
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)
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})
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if err != nil {
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// there system can be moved into controlled degradation stage
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rp.log.Warn("reputation worker pool drained",
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zap.Int("capacity", rp.pool.Cap()))
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}
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}
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30
pkg/innerring/processors/reputation/process_put.go
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30
pkg/innerring/processors/reputation/process_put.go
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package reputation
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import (
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"encoding/hex"
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"github.com/nspcc-dev/neofs-node/pkg/morph/client/reputation/wrapper"
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"github.com/nspcc-dev/neofs-node/pkg/services/reputation"
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"go.uber.org/zap"
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)
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func (rp *Processor) processPut(epoch uint64, id reputation.PeerID, value []byte) {
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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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// todo: do sanity checks of value and epoch
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args := wrapper.PutArgs{}
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args.SetEpoch(epoch)
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args.SetPeerID(id)
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args.SetValue(value)
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err := rp.reputationWrp.PutViaNotary(args)
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if err != nil {
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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.Bytes())),
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zap.String("error", err.Error()))
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}
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}
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113
pkg/innerring/processors/reputation/processor.go
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113
pkg/innerring/processors/reputation/processor.go
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package reputation
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import (
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"github.com/nspcc-dev/neo-go/pkg/util"
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reputationWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/reputation/wrapper"
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"github.com/nspcc-dev/neofs-node/pkg/morph/event"
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reputationEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/reputation"
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"github.com/panjf2000/ants/v2"
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"github.com/pkg/errors"
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"go.uber.org/zap"
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)
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type (
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// EpochState is a callback interface for inner ring global state.
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EpochState interface {
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EpochCounter() uint64
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}
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// AlphabetState is a callback interface for inner ring global state.
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AlphabetState interface {
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IsAlphabet() bool
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}
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// Processor of events produced by reputation contract.
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Processor struct {
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log *zap.Logger
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pool *ants.Pool
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reputationContract util.Uint160
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epochState EpochState
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alphabetState AlphabetState
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reputationWrp *reputationWrapper.ClientWrapper
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}
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// Params of the processor constructor.
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Params struct {
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Log *zap.Logger
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PoolSize int
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ReputationContract util.Uint160
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EpochState EpochState
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AlphabetState AlphabetState
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ReputationWrapper *reputationWrapper.ClientWrapper
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}
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)
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const (
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putReputationNotification = "reputationPut"
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)
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// New creates reputation contract processor instance.
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func New(p *Params) (*Processor, error) {
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switch {
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case p.Log == nil:
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return nil, errors.New("ir/reputation: logger is not set")
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case p.EpochState == nil:
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return nil, errors.New("ir/reputation: global state is not set")
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case p.AlphabetState == nil:
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return nil, errors.New("ir/reputation: global state is not set")
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case p.ReputationWrapper == nil:
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return nil, errors.New("ir/reputation: reputation contract wrapper is not set")
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}
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p.Log.Debug("reputation worker pool", zap.Int("size", p.PoolSize))
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pool, err := ants.NewPool(p.PoolSize, ants.WithNonblocking(true))
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if err != nil {
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return nil, errors.Wrap(err, "ir/reputation: can't create worker pool")
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}
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return &Processor{
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log: p.Log,
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pool: pool,
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reputationContract: p.ReputationContract,
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epochState: p.EpochState,
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alphabetState: p.AlphabetState,
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reputationWrp: p.ReputationWrapper,
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}, nil
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}
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// ListenerParsers for the 'event.Listener' event producer.
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func (rp *Processor) ListenerParsers() []event.ParserInfo {
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var parsers []event.ParserInfo
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// put reputation event
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put := event.ParserInfo{}
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put.SetType(putReputationNotification)
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put.SetScriptHash(rp.reputationContract)
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put.SetParser(reputationEvent.ParsePut)
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parsers = append(parsers, put)
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return parsers
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}
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// ListenerHandlers for the 'event.Listener' event producer.
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func (rp *Processor) ListenerHandlers() []event.HandlerInfo {
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var handlers []event.HandlerInfo
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// put reputation handler
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put := event.HandlerInfo{}
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put.SetType(putReputationNotification)
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put.SetScriptHash(rp.reputationContract)
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put.SetHandler(rp.handlePutReputation)
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handlers = append(handlers, put)
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return handlers
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}
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// TimersHandlers for the 'Timers' event producer.
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func (rp *Processor) TimersHandlers() []event.HandlerInfo {
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return nil
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}
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