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