package innerring import ( "context" "crypto/ecdsa" "github.com/nspcc-dev/neo-go/pkg/crypto/keys" "github.com/nspcc-dev/neo-go/pkg/encoding/fixedn" "github.com/nspcc-dev/neo-go/pkg/util" crypto "github.com/nspcc-dev/neofs-crypto" "github.com/nspcc-dev/neofs-node/pkg/innerring/invoke" "github.com/nspcc-dev/neofs-node/pkg/innerring/processors/alphabet" "github.com/nspcc-dev/neofs-node/pkg/innerring/processors/audit" "github.com/nspcc-dev/neofs-node/pkg/innerring/processors/balance" "github.com/nspcc-dev/neofs-node/pkg/innerring/processors/container" "github.com/nspcc-dev/neofs-node/pkg/innerring/processors/neofs" "github.com/nspcc-dev/neofs-node/pkg/innerring/processors/netmap" "github.com/nspcc-dev/neofs-node/pkg/innerring/timers" "github.com/nspcc-dev/neofs-node/pkg/morph/client" "github.com/nspcc-dev/neofs-node/pkg/morph/event" "github.com/nspcc-dev/neofs-node/pkg/morph/subscriber" "github.com/nspcc-dev/neofs-node/pkg/util/precision" "github.com/pkg/errors" "github.com/spf13/viper" "go.uber.org/atomic" "go.uber.org/zap" ) type ( // Server is the inner ring application structure, that contains all event // processors, shared variables and event handlers. Server struct { log *zap.Logger // event producers morphListener event.Listener mainnetListener event.Listener localTimers *timers.Timers // global state morphClient *client.Client mainnetClient *client.Client epochCounter atomic.Uint64 innerRingIndex atomic.Int32 innerRingSize atomic.Int32 precision precision.Fixed8Converter // internal variables key *ecdsa.PrivateKey contracts *contracts predefinedValidators []keys.PublicKey } contracts struct { neofs util.Uint160 // in mainnet netmap util.Uint160 // in morph balance util.Uint160 // in morph container util.Uint160 // in morph audit util.Uint160 // in morph reputation util.Uint160 // in morph neofsid util.Uint160 // in morph gas util.Uint160 // native contract in both chains alphabet [alphabetContractsN]util.Uint160 // in morph } chainParams struct { log *zap.Logger cfg *viper.Viper key *ecdsa.PrivateKey name string gas util.Uint160 } ) const ( morphPrefix = "morph" mainnetPrefix = "mainnet" alphabetContractsN = 7 // az, buky, vedi, glagoli, dobro, jest, zhivete ) // Start runs all event providers. func (s *Server) Start(ctx context.Context, intError chan<- error) error { err := s.initConfigFromBlockchain() if err != nil { return err } // vote for sidechain validator if it is prepared in config err = s.voteForSidechainValidator(s.predefinedValidators) if err != nil { // we don't stop inner ring execution on this error s.log.Warn("can't vote for prepared validators", zap.String("error", err.Error())) } s.localTimers.Start(ctx) // local timers start ticking morphErr := make(chan error) mainnnetErr := make(chan error) // anonymous function to multiplex error channels go func() { select { case <-ctx.Done(): return case err := <-morphErr: intError <- errors.Wrap(err, "sidechain") case err := <-mainnnetErr: intError <- errors.Wrap(err, "mainnet") } }() go s.morphListener.ListenWithError(ctx, morphErr) // listen for neo:morph events go s.mainnetListener.ListenWithError(ctx, mainnnetErr) // listen for neo:mainnet events return nil } // Stop closes all subscription channels. func (s *Server) Stop() { go s.morphListener.Stop() go s.mainnetListener.Stop() } // New creates instance of inner ring sever structure. func New(ctx context.Context, log *zap.Logger, cfg *viper.Viper) (*Server, error) { var err error server := &Server{log: log} // prepare inner ring node private key server.key, err = crypto.LoadPrivateKey(cfg.GetString("key")) if err != nil { return nil, errors.Wrap(err, "ir: can't create private key") } // get all script hashes of contracts server.contracts, err = parseContracts(cfg) if err != nil { return nil, err } // parse default validators server.predefinedValidators, err = parsePredefinedValidators(cfg) if err != nil { return nil, errors.Wrap(err, "ir: can't parse predefined validators list") } // create local timer instance server.localTimers = timers.New(&timers.Params{ Log: log, EpochDuration: cfg.GetDuration("timers.epoch"), AlphabetDuration: cfg.GetDuration("timers.emit"), }) morphChain := &chainParams{ log: log, cfg: cfg, key: server.key, gas: server.contracts.gas, name: morphPrefix, } // create morph listener server.morphListener, err = createListener(ctx, morphChain) if err != nil { return nil, err } // create morph client server.morphClient, err = createClient(ctx, morphChain) if err != nil { return nil, err } mainnetChain := morphChain mainnetChain.name = mainnetPrefix // create mainnet listener server.mainnetListener, err = createListener(ctx, mainnetChain) if err != nil { return nil, err } // create mainnet client server.mainnetClient, err = createClient(ctx, mainnetChain) if err != nil { return nil, err } // create audit processor auditProcessor, err := audit.New(&audit.Params{ Log: log, ContainerContract: server.contracts.container, AuditContract: server.contracts.audit, MorphClient: server.morphClient, IRList: server, }) if err != nil { return nil, err } // create netmap processor netmapProcessor, err := netmap.New(&netmap.Params{ Log: log, PoolSize: cfg.GetInt("workers.netmap"), NetmapContract: server.contracts.netmap, EpochTimer: server.localTimers, MorphClient: server.morphClient, EpochState: server, ActiveState: server, CleanupEnabled: cfg.GetBool("netmap_cleaner.enabled"), CleanupThreshold: cfg.GetUint64("netmap_cleaner.threshold"), HandleAudit: auditProcessor.StartAuditHandler(), }) if err != nil { return nil, err } err = bindMorphProcessor(netmapProcessor, server) if err != nil { return nil, err } // container processor containerProcessor, err := container.New(&container.Params{ Log: log, PoolSize: cfg.GetInt("workers.container"), ContainerContract: server.contracts.container, MorphClient: server.morphClient, ActiveState: server, }) if err != nil { return nil, err } err = bindMorphProcessor(containerProcessor, server) if err != nil { return nil, err } // create balance processor balanceProcessor, err := balance.New(&balance.Params{ Log: log, PoolSize: cfg.GetInt("workers.balance"), NeoFSContract: server.contracts.neofs, BalanceContract: server.contracts.balance, MainnetClient: server.mainnetClient, ActiveState: server, Converter: &server.precision, }) if err != nil { return nil, err } err = bindMorphProcessor(balanceProcessor, server) if err != nil { return nil, err } // todo: create reputation processor // create mainnnet neofs processor neofsProcessor, err := neofs.New(&neofs.Params{ Log: log, PoolSize: cfg.GetInt("workers.neofs"), NeoFSContract: server.contracts.neofs, BalanceContract: server.contracts.balance, NetmapContract: server.contracts.netmap, MorphClient: server.morphClient, EpochState: server, ActiveState: server, Converter: &server.precision, MintEmitCacheSize: cfg.GetInt("emit.mint.cache_size"), MintEmitThreshold: cfg.GetUint64("emit.mint.threshold"), MintEmitValue: fixedn.Fixed8(cfg.GetInt64("emit.mint.value")), }) if err != nil { return nil, err } err = bindMainnetProcessor(neofsProcessor, server) if err != nil { return nil, err } // create alphabet processor alphabetProcessor, err := alphabet.New(&alphabet.Params{ Log: log, PoolSize: cfg.GetInt("workers.alphabet"), AlphabetContracts: server.contracts.alphabet, NetmapContract: server.contracts.netmap, MorphClient: server.morphClient, IRList: server, StorageEmission: cfg.GetUint64("emit.storage.amount"), }) if err != nil { return nil, err } err = bindMorphProcessor(alphabetProcessor, server) if err != nil { return nil, err } // todo: create vivid id component return server, nil } func createListener(ctx context.Context, p *chainParams) (event.Listener, error) { sub, err := subscriber.New(ctx, &subscriber.Params{ Log: p.log, Endpoint: p.cfg.GetString(p.name + ".endpoint.notification"), DialTimeout: p.cfg.GetDuration(p.name + ".dial_timeouts"), }) if err != nil { return nil, err } listener, err := event.NewListener(event.ListenerParams{ Logger: p.log, Subscriber: sub, }) if err != nil { return nil, err } return listener, err } func createClient(ctx context.Context, p *chainParams) (*client.Client, error) { return client.New( p.key, p.cfg.GetString(p.name+".endpoint.client"), client.WithContext(ctx), client.WithLogger(p.log), client.WithDialTimeout(p.cfg.GetDuration(p.name+".dial_timeouts")), client.WithGasContract(p.gas), ) } func parseContracts(cfg *viper.Viper) (*contracts, error) { var ( result = new(contracts) err error ) netmapContractStr := cfg.GetString("contracts.netmap") neofsContractStr := cfg.GetString("contracts.neofs") balanceContractStr := cfg.GetString("contracts.balance") nativeGasContractStr := cfg.GetString("contracts.gas") containerContractStr := cfg.GetString("contracts.container") auditContractStr := cfg.GetString("contracts.audit") result.netmap, err = util.Uint160DecodeStringLE(netmapContractStr) if err != nil { return nil, errors.Wrap(err, "ir: can't read netmap script-hash") } result.neofs, err = util.Uint160DecodeStringLE(neofsContractStr) if err != nil { return nil, errors.Wrap(err, "ir: can't read neofs script-hash") } result.balance, err = util.Uint160DecodeStringLE(balanceContractStr) if err != nil { return nil, errors.Wrap(err, "ir: can't read balance script-hash") } result.gas, err = util.Uint160DecodeStringLE(nativeGasContractStr) if err != nil { return nil, errors.Wrap(err, "ir: can't read native gas script-hash") } result.container, err = util.Uint160DecodeStringLE(containerContractStr) if err != nil { return nil, errors.Wrap(err, "ir: can't read container script-hash") } result.audit, err = util.Uint160DecodeStringLE(auditContractStr) if err != nil { return nil, errors.Wrap(err, "ir: can't read audit script-hash") } result.alphabet, err = parseAlphabetContracts(cfg) if err != nil { return nil, err } return result, nil } func parsePredefinedValidators(cfg *viper.Viper) ([]keys.PublicKey, error) { publicKeyStrings := cfg.GetStringSlice("morph.validators") return ParsePublicKeysFromStrings(publicKeyStrings) } // ParsePublicKeysFromStrings returns slice of neo public keys from slice // of hex encoded strings. func ParsePublicKeysFromStrings(pubKeys []string) ([]keys.PublicKey, error) { publicKeys := make([]keys.PublicKey, 0, len(pubKeys)) for i := range pubKeys { key, err := keys.NewPublicKeyFromString(pubKeys[i]) if err != nil { return nil, errors.Wrap(err, "can't decode public key") } publicKeys = append(publicKeys, *key) } return publicKeys, nil } func parseAlphabetContracts(cfg *viper.Viper) (res [7]util.Uint160, err error) { // list of glagolic script letters that represent alphabet contracts glagolic := []string{"az", "buky", "vedi", "glagoli", "dobro", "jest", "zhivete"} for i, letter := range glagolic { contractStr := cfg.GetString("contracts.alphabet." + letter) res[i], err = util.Uint160DecodeStringLE(contractStr) if err != nil { return res, errors.Wrapf(err, "ir: can't read alphabet %s contract", letter) } } return res, nil } func (s *Server) initConfigFromBlockchain() error { // get current epoch epoch, err := invoke.Epoch(s.morphClient, s.contracts.netmap) if err != nil { return errors.Wrap(err, "can't read epoch") } key := &s.key.PublicKey // check if node inside inner ring list and what index it has index, size, err := invoke.InnerRingIndex(s.mainnetClient, s.contracts.neofs, key) if err != nil { return errors.Wrap(err, "can't read inner ring list") } // get balance precision balancePrecision, err := invoke.BalancePrecision(s.morphClient, s.contracts.balance) if err != nil { return errors.Wrap(err, "can't read balance contract precision") } s.epochCounter.Store(uint64(epoch)) s.innerRingSize.Store(size) s.innerRingIndex.Store(index) s.precision.SetBalancePrecision(balancePrecision) s.log.Debug("read config from blockchain", zap.Bool("active", s.IsActive()), zap.Int64("epoch", epoch), zap.Uint32("precision", balancePrecision), ) return nil }