forked from TrueCloudLab/frostfs-node
115 lines
3 KiB
Go
115 lines
3 KiB
Go
package reputation
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import (
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"errors"
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"fmt"
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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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"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, fmt.Errorf("ir/reputation: can't create worker pool: %w", err)
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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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