[#452] innerring: Add reputation processor

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

pkg/innerring/processors/reputation/processor.go

@@ -0,0 +1,113 @@
+package reputation
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	reputationWrapper "github.com/nspcc-dev/neofs-node/pkg/morph/client/reputation/wrapper"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/event"
+	reputationEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/reputation"
+	"github.com/panjf2000/ants/v2"
+	"github.com/pkg/errors"
+	"go.uber.org/zap"
+)
+
+type (
+	// EpochState is a callback interface for inner ring global state.
+	EpochState interface {
+		EpochCounter() uint64
+	}
+
+	// AlphabetState is a callback interface for inner ring global state.
+	AlphabetState interface {
+		IsAlphabet() bool
+	}
+
+	// Processor of events produced by reputation contract.
+	Processor struct {
+		log  *zap.Logger
+		pool *ants.Pool
+
+		reputationContract util.Uint160
+
+		epochState    EpochState
+		alphabetState AlphabetState
+
+		reputationWrp *reputationWrapper.ClientWrapper
+	}
+
+	// Params of the processor constructor.
+	Params struct {
+		Log                *zap.Logger
+		PoolSize           int
+		ReputationContract util.Uint160
+		EpochState         EpochState
+		AlphabetState      AlphabetState
+		ReputationWrapper  *reputationWrapper.ClientWrapper
+	}
+)
+
+const (
+	putReputationNotification = "reputationPut"
+)
+
+// New creates reputation contract processor instance.
+func New(p *Params) (*Processor, error) {
+	switch {
+	case p.Log == nil:
+		return nil, errors.New("ir/reputation: logger is not set")
+	case p.EpochState == nil:
+		return nil, errors.New("ir/reputation: global state is not set")
+	case p.AlphabetState == nil:
+		return nil, errors.New("ir/reputation: global state is not set")
+	case p.ReputationWrapper == nil:
+		return nil, errors.New("ir/reputation: reputation contract wrapper is not set")
+	}
+
+	p.Log.Debug("reputation worker pool", zap.Int("size", p.PoolSize))
+
+	pool, err := ants.NewPool(p.PoolSize, ants.WithNonblocking(true))
+	if err != nil {
+		return nil, errors.Wrap(err, "ir/reputation: can't create worker pool")
+	}
+
+	return &Processor{
+		log:                p.Log,
+		pool:               pool,
+		reputationContract: p.ReputationContract,
+		epochState:         p.EpochState,
+		alphabetState:      p.AlphabetState,
+		reputationWrp:      p.ReputationWrapper,
+	}, nil
+}
+
+// ListenerParsers for the 'event.Listener' event producer.
+func (rp *Processor) ListenerParsers() []event.ParserInfo {
+	var parsers []event.ParserInfo
+
+	// put reputation event
+	put := event.ParserInfo{}
+	put.SetType(putReputationNotification)
+	put.SetScriptHash(rp.reputationContract)
+	put.SetParser(reputationEvent.ParsePut)
+	parsers = append(parsers, put)
+
+	return parsers
+}
+
+// ListenerHandlers for the 'event.Listener' event producer.
+func (rp *Processor) ListenerHandlers() []event.HandlerInfo {
+	var handlers []event.HandlerInfo
+
+	// put reputation handler
+	put := event.HandlerInfo{}
+	put.SetType(putReputationNotification)
+	put.SetScriptHash(rp.reputationContract)
+	put.SetHandler(rp.handlePutReputation)
+	handlers = append(handlers, put)
+
+	return handlers
+}
+
+// TimersHandlers for the 'Timers' event producer.
+func (rp *Processor) TimersHandlers() []event.HandlerInfo {
+	return nil
+}