package neofs import ( "errors" "fmt" "sync" lru "github.com/hashicorp/golang-lru" "github.com/nspcc-dev/neo-go/pkg/encoding/fixedn" "github.com/nspcc-dev/neo-go/pkg/util" "github.com/nspcc-dev/neofs-node/pkg/morph/client" "github.com/nspcc-dev/neofs-node/pkg/morph/client/balance" "github.com/nspcc-dev/neofs-node/pkg/morph/client/neofsid" nmClient "github.com/nspcc-dev/neofs-node/pkg/morph/client/netmap" "github.com/nspcc-dev/neofs-node/pkg/morph/event" neofsEvent "github.com/nspcc-dev/neofs-node/pkg/morph/event/neofs" "github.com/panjf2000/ants/v2" "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 } // PrecisionConverter converts balance amount values. PrecisionConverter interface { ToBalancePrecision(int64) int64 } // Processor of events produced by neofs contract in main net. Processor struct { log *zap.Logger pool *ants.Pool neofsContract util.Uint160 balanceClient *balance.Client netmapClient *nmClient.Client morphClient *client.Client epochState EpochState alphabetState AlphabetState converter PrecisionConverter mintEmitLock *sync.Mutex mintEmitCache *lru.Cache mintEmitThreshold uint64 mintEmitValue fixedn.Fixed8 gasBalanceThreshold int64 neofsIDClient *neofsid.Client } // Params of the processor constructor. Params struct { Log *zap.Logger PoolSize int NeoFSContract util.Uint160 NeoFSIDClient *neofsid.Client BalanceClient *balance.Client NetmapClient *nmClient.Client MorphClient *client.Client EpochState EpochState AlphabetState AlphabetState Converter PrecisionConverter MintEmitCacheSize int MintEmitThreshold uint64 // in epochs MintEmitValue fixedn.Fixed8 GasBalanceThreshold int64 } ) const ( depositNotification = "Deposit" withdrawNotification = "Withdraw" chequeNotification = "Cheque" configNotification = "SetConfig" bindNotification = "Bind" unbindNotification = "Unbind" ) // New creates neofs mainnet contract processor instance. func New(p *Params) (*Processor, error) { switch { case p.Log == nil: return nil, errors.New("ir/neofs: logger is not set") case p.MorphClient == nil: return nil, errors.New("ir/neofs: neo:morph client is not set") case p.EpochState == nil: return nil, errors.New("ir/neofs: global state is not set") case p.AlphabetState == nil: return nil, errors.New("ir/neofs: global state is not set") case p.Converter == nil: return nil, errors.New("ir/neofs: balance precision converter is not set") } p.Log.Debug("neofs worker pool", zap.Int("size", p.PoolSize)) pool, err := ants.NewPool(p.PoolSize, ants.WithNonblocking(true)) if err != nil { return nil, fmt.Errorf("ir/neofs: can't create worker pool: %w", err) } lruCache, err := lru.New(p.MintEmitCacheSize) if err != nil { return nil, fmt.Errorf("ir/neofs: can't create LRU cache for gas emission: %w", err) } return &Processor{ log: p.Log, pool: pool, neofsContract: p.NeoFSContract, balanceClient: p.BalanceClient, netmapClient: p.NetmapClient, morphClient: p.MorphClient, epochState: p.EpochState, alphabetState: p.AlphabetState, converter: p.Converter, mintEmitLock: new(sync.Mutex), mintEmitCache: lruCache, mintEmitThreshold: p.MintEmitThreshold, mintEmitValue: p.MintEmitValue, gasBalanceThreshold: p.GasBalanceThreshold, neofsIDClient: p.NeoFSIDClient, }, nil } // ListenerNotificationParsers for the 'event.Listener' event producer. func (np *Processor) ListenerNotificationParsers() []event.NotificationParserInfo { var ( parsers = make([]event.NotificationParserInfo, 0, 6) p event.NotificationParserInfo ) p.SetScriptHash(np.neofsContract) // deposit event p.SetType(event.TypeFromString(depositNotification)) p.SetParser(neofsEvent.ParseDeposit) parsers = append(parsers, p) // withdraw event p.SetType(event.TypeFromString(withdrawNotification)) p.SetParser(neofsEvent.ParseWithdraw) parsers = append(parsers, p) // cheque event p.SetType(event.TypeFromString(chequeNotification)) p.SetParser(neofsEvent.ParseCheque) parsers = append(parsers, p) // config event p.SetType(event.TypeFromString(configNotification)) p.SetParser(neofsEvent.ParseConfig) parsers = append(parsers, p) // bind event p.SetType(event.TypeFromString(bindNotification)) p.SetParser(neofsEvent.ParseBind) parsers = append(parsers, p) // unbind event p.SetType(event.TypeFromString(unbindNotification)) p.SetParser(neofsEvent.ParseUnbind) parsers = append(parsers, p) return parsers } // ListenerNotificationHandlers for the 'event.Listener' event producer. func (np *Processor) ListenerNotificationHandlers() []event.NotificationHandlerInfo { var ( handlers = make([]event.NotificationHandlerInfo, 0, 6) h event.NotificationHandlerInfo ) h.SetScriptHash(np.neofsContract) // deposit handler h.SetType(event.TypeFromString(depositNotification)) h.SetHandler(np.handleDeposit) handlers = append(handlers, h) // withdraw handler h.SetType(event.TypeFromString(withdrawNotification)) h.SetHandler(np.handleWithdraw) handlers = append(handlers, h) // cheque handler h.SetType(event.TypeFromString(chequeNotification)) h.SetHandler(np.handleCheque) handlers = append(handlers, h) // config handler h.SetType(event.TypeFromString(configNotification)) h.SetHandler(np.handleConfig) handlers = append(handlers, h) // bind handler h.SetType(event.TypeFromString(bindNotification)) h.SetHandler(np.handleBind) handlers = append(handlers, h) // unbind handler h.SetType(event.TypeFromString(unbindNotification)) h.SetHandler(np.handleUnbind) handlers = append(handlers, h) return handlers } // ListenerNotaryParsers for the 'event.Listener' event producer. func (np *Processor) ListenerNotaryParsers() []event.NotaryParserInfo { return nil } // ListenerNotaryHandlers for the 'event.Listener' event producer. func (np *Processor) ListenerNotaryHandlers() []event.NotaryHandlerInfo { return nil } // TimersHandlers for the 'Timers' event producer. func (np *Processor) TimersHandlers() []event.NotificationHandlerInfo { return nil }