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792 lines
23 KiB
792 lines
23 KiB
package node
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"net/http"
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"strconv"
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"strings"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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abciclient "github.com/tendermint/tendermint/abci/client"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/crypto"
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"github.com/tendermint/tendermint/internal/blocksync"
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"github.com/tendermint/tendermint/internal/consensus"
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"github.com/tendermint/tendermint/internal/eventbus"
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"github.com/tendermint/tendermint/internal/evidence"
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"github.com/tendermint/tendermint/internal/mempool"
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"github.com/tendermint/tendermint/internal/p2p"
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"github.com/tendermint/tendermint/internal/p2p/pex"
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"github.com/tendermint/tendermint/internal/proxy"
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rpccore "github.com/tendermint/tendermint/internal/rpc/core"
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sm "github.com/tendermint/tendermint/internal/state"
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"github.com/tendermint/tendermint/internal/state/indexer"
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"github.com/tendermint/tendermint/internal/statesync"
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"github.com/tendermint/tendermint/internal/store"
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"github.com/tendermint/tendermint/libs/log"
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"github.com/tendermint/tendermint/libs/service"
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tmtime "github.com/tendermint/tendermint/libs/time"
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"github.com/tendermint/tendermint/privval"
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"github.com/tendermint/tendermint/types"
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_ "net/http/pprof" // nolint: gosec // securely exposed on separate, optional port
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_ "github.com/lib/pq" // provide the psql db driver
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)
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// nodeImpl is the highest level interface to a full Tendermint node.
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// It includes all configuration information and running services.
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type nodeImpl struct {
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service.BaseService
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logger log.Logger
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// config
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config *config.Config
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genesisDoc *types.GenesisDoc // initial validator set
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privValidator types.PrivValidator // local node's validator key
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// network
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peerManager *p2p.PeerManager
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router *p2p.Router
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nodeInfo types.NodeInfo
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nodeKey types.NodeKey // our node privkey
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isListening bool
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// services
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eventSinks []indexer.EventSink
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stateStore sm.Store
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blockStore *store.BlockStore // store the blockchain to disk
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stateSync bool // whether the node should state sync on startup
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stateSyncReactor *statesync.Reactor // for hosting and restoring state sync snapshots
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services []service.Service
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rpcListeners []net.Listener // rpc servers
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shutdownOps closer
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rpcEnv *rpccore.Environment
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prometheusSrv *http.Server
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}
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// newDefaultNode returns a Tendermint node with default settings for the
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// PrivValidator, ClientCreator, GenesisDoc, and DBProvider.
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// It implements NodeProvider.
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func newDefaultNode(
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ctx context.Context,
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cfg *config.Config,
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logger log.Logger,
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) (service.Service, error) {
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nodeKey, err := types.LoadOrGenNodeKey(cfg.NodeKeyFile())
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if err != nil {
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return nil, fmt.Errorf("failed to load or gen node key %s: %w", cfg.NodeKeyFile(), err)
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}
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if cfg.Mode == config.ModeSeed {
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return makeSeedNode(
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ctx,
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cfg,
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config.DefaultDBProvider,
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nodeKey,
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defaultGenesisDocProviderFunc(cfg),
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logger,
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)
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}
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pval, err := makeDefaultPrivval(cfg)
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if err != nil {
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return nil, err
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}
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appClient, _ := proxy.DefaultClientCreator(logger, cfg.ProxyApp, cfg.ABCI, cfg.DBDir())
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return makeNode(
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ctx,
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cfg,
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pval,
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nodeKey,
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appClient,
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defaultGenesisDocProviderFunc(cfg),
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config.DefaultDBProvider,
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logger,
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)
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}
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// makeNode returns a new, ready to go, Tendermint Node.
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func makeNode(
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ctx context.Context,
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cfg *config.Config,
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filePrivval *privval.FilePV,
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nodeKey types.NodeKey,
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clientCreator abciclient.Creator,
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genesisDocProvider genesisDocProvider,
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dbProvider config.DBProvider,
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logger log.Logger,
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) (service.Service, error) {
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var cancel context.CancelFunc
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ctx, cancel = context.WithCancel(ctx)
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closers := []closer{convertCancelCloser(cancel)}
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blockStore, stateDB, dbCloser, err := initDBs(cfg, dbProvider)
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if err != nil {
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return nil, combineCloseError(err, dbCloser)
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}
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closers = append(closers, dbCloser)
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stateStore := sm.NewStore(stateDB)
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genDoc, err := genesisDocProvider()
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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err = genDoc.ValidateAndComplete()
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if err != nil {
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return nil, combineCloseError(
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fmt.Errorf("error in genesis doc: %w", err),
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makeCloser(closers))
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}
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state, err := loadStateFromDBOrGenesisDocProvider(stateStore, genDoc)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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nodeMetrics := defaultMetricsProvider(cfg.Instrumentation)(genDoc.ChainID)
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// Create the proxyApp and establish connections to the ABCI app (consensus, mempool, query).
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proxyApp := proxy.NewAppConns(clientCreator, logger.With("module", "proxy"), nodeMetrics.proxy)
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if err := proxyApp.Start(ctx); err != nil {
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return nil, fmt.Errorf("error starting proxy app connections: %w", err)
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}
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// EventBus and IndexerService must be started before the handshake because
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// we might need to index the txs of the replayed block as this might not have happened
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// when the node stopped last time (i.e. the node stopped after it saved the block
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// but before it indexed the txs, or, endblocker panicked)
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eventBus := eventbus.NewDefault(logger.With("module", "events"))
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if err := eventBus.Start(ctx); err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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indexerService, eventSinks, err := createAndStartIndexerService(
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ctx, cfg, dbProvider, eventBus,
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logger, genDoc.ChainID, nodeMetrics.indexer)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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closers = append(closers, func() error { indexerService.Stop(); return nil })
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privValidator, err := createPrivval(ctx, logger, cfg, genDoc, filePrivval)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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var pubKey crypto.PubKey
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if cfg.Mode == config.ModeValidator {
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pubKey, err = privValidator.GetPubKey(ctx)
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if err != nil {
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return nil, combineCloseError(fmt.Errorf("can't get pubkey: %w", err),
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makeCloser(closers))
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}
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if pubKey == nil {
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return nil, combineCloseError(
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errors.New("could not retrieve public key from private validator"),
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makeCloser(closers))
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}
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}
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// Determine whether we should attempt state sync.
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stateSync := cfg.StateSync.Enable && !onlyValidatorIsUs(state, pubKey)
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if stateSync && state.LastBlockHeight > 0 {
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logger.Info("Found local state with non-zero height, skipping state sync")
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stateSync = false
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}
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// Create the handshaker, which calls RequestInfo, sets the AppVersion on the state,
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// and replays any blocks as necessary to sync tendermint with the app.
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if !stateSync {
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if err := consensus.NewHandshaker(
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logger.With("module", "handshaker"),
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stateStore, state, blockStore, eventBus, genDoc,
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).Handshake(ctx, proxyApp); err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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// Reload the state. It will have the Version.Consensus.App set by the
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// Handshake, and may have other modifications as well (ie. depending on
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// what happened during block replay).
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state, err = stateStore.Load()
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if err != nil {
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return nil, combineCloseError(
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fmt.Errorf("cannot load state: %w", err),
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makeCloser(closers))
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}
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}
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// Determine whether we should do block sync. This must happen after the handshake, since the
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// app may modify the validator set, specifying ourself as the only validator.
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blockSync := !onlyValidatorIsUs(state, pubKey)
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logNodeStartupInfo(state, pubKey, logger, cfg.Mode)
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// TODO: Fetch and provide real options and do proper p2p bootstrapping.
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// TODO: Use a persistent peer database.
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nodeInfo, err := makeNodeInfo(cfg, nodeKey, eventSinks, genDoc, state)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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peerManager, peerCloser, err := createPeerManager(cfg, dbProvider, nodeKey.ID)
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closers = append(closers, peerCloser)
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if err != nil {
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return nil, combineCloseError(
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fmt.Errorf("failed to create peer manager: %w", err),
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makeCloser(closers))
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}
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router, err := createRouter(ctx, logger, nodeMetrics.p2p, nodeInfo, nodeKey,
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peerManager, cfg, proxyApp)
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if err != nil {
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return nil, combineCloseError(
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fmt.Errorf("failed to create router: %w", err),
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makeCloser(closers))
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}
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mpReactor, mp, err := createMempoolReactor(ctx,
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cfg, proxyApp, state, nodeMetrics.mempool, peerManager, router, logger,
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)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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evReactor, evPool, err := createEvidenceReactor(ctx,
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cfg, dbProvider, stateDB, blockStore, peerManager, router, logger, nodeMetrics.evidence, eventBus,
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)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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// make block executor for consensus and blockchain reactors to execute blocks
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blockExec := sm.NewBlockExecutor(
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stateStore,
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logger.With("module", "state"),
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proxyApp.Consensus(),
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mp,
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evPool,
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blockStore,
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sm.BlockExecutorWithMetrics(nodeMetrics.state),
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)
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csReactor, csState, err := createConsensusReactor(ctx,
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cfg, state, blockExec, blockStore, mp, evPool,
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privValidator, nodeMetrics.consensus, stateSync || blockSync, eventBus,
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peerManager, router, logger,
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)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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// Create the blockchain reactor. Note, we do not start block sync if we're
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// doing a state sync first.
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bcReactor, err := blocksync.NewReactor(ctx,
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logger.With("module", "blockchain"),
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state.Copy(),
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blockExec,
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blockStore,
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csReactor,
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router.OpenChannel,
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peerManager.Subscribe(ctx),
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blockSync && !stateSync,
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nodeMetrics.consensus,
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eventBus,
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)
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if err != nil {
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return nil, combineCloseError(
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fmt.Errorf("could not create blocksync reactor: %w", err),
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makeCloser(closers))
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}
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// Make ConsensusReactor. Don't enable fully if doing a state sync and/or block sync first.
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// FIXME We need to update metrics here, since other reactors don't have access to them.
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if stateSync {
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nodeMetrics.consensus.StateSyncing.Set(1)
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} else if blockSync {
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nodeMetrics.consensus.BlockSyncing.Set(1)
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}
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// Set up state sync reactor, and schedule a sync if requested.
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// FIXME The way we do phased startups (e.g. replay -> block sync -> consensus) is very messy,
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// we should clean this whole thing up. See:
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// https://github.com/tendermint/tendermint/issues/4644
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stateSyncReactor, err := statesync.NewReactor(
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ctx,
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genDoc.ChainID,
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genDoc.InitialHeight,
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*cfg.StateSync,
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logger.With("module", "statesync"),
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proxyApp.Snapshot(),
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proxyApp.Query(),
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router.OpenChannel,
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peerManager.Subscribe(ctx),
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stateStore,
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blockStore,
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cfg.StateSync.TempDir,
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nodeMetrics.statesync,
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eventBus,
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)
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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var pexReactor service.Service
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if cfg.P2P.PexReactor {
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pexReactor, err = pex.NewReactor(ctx, logger, peerManager, router.OpenChannel, peerManager.Subscribe(ctx))
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if err != nil {
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return nil, combineCloseError(err, makeCloser(closers))
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}
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}
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node := &nodeImpl{
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config: cfg,
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logger: logger,
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genesisDoc: genDoc,
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privValidator: privValidator,
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peerManager: peerManager,
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router: router,
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nodeInfo: nodeInfo,
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nodeKey: nodeKey,
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eventSinks: eventSinks,
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services: []service.Service{
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eventBus,
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evReactor,
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mpReactor,
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csReactor,
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bcReactor,
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pexReactor,
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},
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stateStore: stateStore,
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blockStore: blockStore,
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stateSyncReactor: stateSyncReactor,
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stateSync: stateSync,
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shutdownOps: makeCloser(closers),
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rpcEnv: &rpccore.Environment{
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ProxyAppQuery: proxyApp.Query(),
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ProxyAppMempool: proxyApp.Mempool(),
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StateStore: stateStore,
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BlockStore: blockStore,
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EvidencePool: evPool,
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ConsensusState: csState,
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ConsensusReactor: csReactor,
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BlockSyncReactor: bcReactor,
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PeerManager: peerManager,
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GenDoc: genDoc,
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EventSinks: eventSinks,
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EventBus: eventBus,
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Mempool: mp,
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Logger: logger.With("module", "rpc"),
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Config: *cfg.RPC,
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},
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}
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if cfg.Mode == config.ModeValidator {
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node.rpcEnv.PubKey = pubKey
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}
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node.rpcEnv.P2PTransport = node
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node.BaseService = *service.NewBaseService(logger, "Node", node)
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return node, nil
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}
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// OnStart starts the Node. It implements service.Service.
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func (n *nodeImpl) OnStart(ctx context.Context) error {
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if n.config.RPC.PprofListenAddress != "" {
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rpcCtx, rpcCancel := context.WithCancel(ctx)
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srv := &http.Server{Addr: n.config.RPC.PprofListenAddress, Handler: nil}
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go func() {
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select {
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case <-ctx.Done():
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sctx, scancel := context.WithTimeout(context.Background(), time.Second)
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defer scancel()
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_ = srv.Shutdown(sctx)
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case <-rpcCtx.Done():
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}
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}()
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go func() {
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n.logger.Info("Starting pprof server", "laddr", n.config.RPC.PprofListenAddress)
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if err := srv.ListenAndServe(); err != nil {
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n.logger.Error("pprof server error", "err", err)
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rpcCancel()
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}
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}()
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}
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now := tmtime.Now()
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genTime := n.genesisDoc.GenesisTime
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if genTime.After(now) {
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n.logger.Info("Genesis time is in the future. Sleeping until then...", "genTime", genTime)
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timer := time.NewTimer(genTime.Sub(now))
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defer timer.Stop()
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select {
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case <-ctx.Done():
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return ctx.Err()
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case <-timer.C:
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}
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}
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// Start the RPC server before the P2P server
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// so we can eg. receive txs for the first block
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if n.config.RPC.ListenAddress != "" {
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var err error
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n.rpcListeners, err = n.rpcEnv.StartService(ctx, n.config)
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if err != nil {
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return err
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}
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}
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if n.config.Instrumentation.Prometheus && n.config.Instrumentation.PrometheusListenAddr != "" {
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n.prometheusSrv = n.startPrometheusServer(ctx, n.config.Instrumentation.PrometheusListenAddr)
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}
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// Start the transport.
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if err := n.router.Start(ctx); err != nil {
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return err
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}
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n.isListening = true
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for _, reactor := range n.services {
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if err := reactor.Start(ctx); err != nil {
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return fmt.Errorf("problem starting service '%T': %w ", reactor, err)
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}
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}
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if err := n.stateSyncReactor.Start(ctx); err != nil {
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return err
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}
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// Run state sync
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// TODO: We shouldn't run state sync if we already have state that has a
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// LastBlockHeight that is not InitialHeight
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if n.stateSync {
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bcR := n.rpcEnv.BlockSyncReactor
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// we need to get the genesis state to get parameters such as
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state, err := sm.MakeGenesisState(n.genesisDoc)
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if err != nil {
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return fmt.Errorf("unable to derive state: %w", err)
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}
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// TODO: we may want to move these events within the respective
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// reactors.
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// At the beginning of the statesync start, we use the initialHeight as the event height
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// because of the statesync doesn't have the concreate state height before fetched the snapshot.
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d := types.EventDataStateSyncStatus{Complete: false, Height: state.InitialHeight}
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if err := n.stateSyncReactor.PublishStatus(ctx, d); err != nil {
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n.logger.Error("failed to emit the statesync start event", "err", err)
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}
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// RUN STATE SYNC NOW:
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//
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// TODO: Eventually this should run as part of some
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// separate orchestrator
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n.logger.Info("starting state sync")
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ssState, err := n.stateSyncReactor.Sync(ctx)
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if err != nil {
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n.logger.Error("state sync failed; shutting down this node", "err", err)
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// stop the node
|
|
n.Stop()
|
|
return err
|
|
}
|
|
|
|
n.rpcEnv.ConsensusReactor.SetStateSyncingMetrics(0)
|
|
|
|
if err := n.stateSyncReactor.PublishStatus(ctx,
|
|
types.EventDataStateSyncStatus{
|
|
Complete: true,
|
|
Height: ssState.LastBlockHeight,
|
|
}); err != nil {
|
|
n.logger.Error("failed to emit the statesync start event", "err", err)
|
|
return err
|
|
}
|
|
|
|
// TODO: Some form of orchestrator is needed here between the state
|
|
// advancing reactors to be able to control which one of the three
|
|
// is running
|
|
// FIXME Very ugly to have these metrics bleed through here.
|
|
n.rpcEnv.ConsensusReactor.SetBlockSyncingMetrics(1)
|
|
if err := bcR.SwitchToBlockSync(ctx, ssState); err != nil {
|
|
n.logger.Error("failed to switch to block sync", "err", err)
|
|
return err
|
|
}
|
|
|
|
if err := bcR.PublishStatus(ctx,
|
|
types.EventDataBlockSyncStatus{
|
|
Complete: false,
|
|
Height: ssState.LastBlockHeight,
|
|
}); err != nil {
|
|
n.logger.Error("failed to emit the block sync starting event", "err", err)
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// OnStop stops the Node. It implements service.Service.
|
|
func (n *nodeImpl) OnStop() {
|
|
n.logger.Info("Stopping Node")
|
|
for _, es := range n.eventSinks {
|
|
if err := es.Stop(); err != nil {
|
|
n.logger.Error("failed to stop event sink", "err", err)
|
|
}
|
|
}
|
|
|
|
for _, reactor := range n.services {
|
|
reactor.Wait()
|
|
}
|
|
|
|
n.stateSyncReactor.Wait()
|
|
n.router.Wait()
|
|
n.isListening = false
|
|
|
|
// finally stop the listeners / external services
|
|
for _, l := range n.rpcListeners {
|
|
n.logger.Info("Closing rpc listener", "listener", l)
|
|
if err := l.Close(); err != nil {
|
|
n.logger.Error("error closing listener", "listener", l, "err", err)
|
|
}
|
|
}
|
|
|
|
if pvsc, ok := n.privValidator.(service.Service); ok {
|
|
pvsc.Wait()
|
|
}
|
|
|
|
if n.prometheusSrv != nil {
|
|
if err := n.prometheusSrv.Shutdown(context.Background()); err != nil {
|
|
// Error from closing listeners, or context timeout:
|
|
n.logger.Error("Prometheus HTTP server Shutdown", "err", err)
|
|
}
|
|
|
|
}
|
|
if err := n.shutdownOps(); err != nil {
|
|
if strings.TrimSpace(err.Error()) != "" {
|
|
n.logger.Error("problem shutting down additional services", "err", err)
|
|
}
|
|
}
|
|
if n.blockStore != nil {
|
|
if err := n.blockStore.Close(); err != nil {
|
|
n.logger.Error("problem closing blockstore", "err", err)
|
|
}
|
|
}
|
|
if n.stateStore != nil {
|
|
if err := n.stateStore.Close(); err != nil {
|
|
n.logger.Error("problem closing statestore", "err", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
// startPrometheusServer starts a Prometheus HTTP server, listening for metrics
|
|
// collectors on addr.
|
|
func (n *nodeImpl) startPrometheusServer(ctx context.Context, addr string) *http.Server {
|
|
srv := &http.Server{
|
|
Addr: addr,
|
|
Handler: promhttp.InstrumentMetricHandler(
|
|
prometheus.DefaultRegisterer, promhttp.HandlerFor(
|
|
prometheus.DefaultGatherer,
|
|
promhttp.HandlerOpts{MaxRequestsInFlight: n.config.Instrumentation.MaxOpenConnections},
|
|
),
|
|
),
|
|
}
|
|
|
|
promCtx, promCancel := context.WithCancel(ctx)
|
|
go func() {
|
|
select {
|
|
case <-ctx.Done():
|
|
sctx, scancel := context.WithTimeout(context.Background(), time.Second)
|
|
defer scancel()
|
|
_ = srv.Shutdown(sctx)
|
|
case <-promCtx.Done():
|
|
}
|
|
}()
|
|
|
|
go func() {
|
|
if err := srv.ListenAndServe(); err != nil {
|
|
n.logger.Error("Prometheus HTTP server ListenAndServe", "err", err)
|
|
promCancel()
|
|
}
|
|
}()
|
|
|
|
return srv
|
|
}
|
|
|
|
// EventBus returns the Node's EventBus.
|
|
func (n *nodeImpl) EventBus() *eventbus.EventBus {
|
|
return n.rpcEnv.EventBus
|
|
}
|
|
|
|
// GenesisDoc returns the Node's GenesisDoc.
|
|
func (n *nodeImpl) GenesisDoc() *types.GenesisDoc {
|
|
return n.genesisDoc
|
|
}
|
|
|
|
// RPCEnvironment makes sure RPC has all the objects it needs to operate.
|
|
func (n *nodeImpl) RPCEnvironment() *rpccore.Environment {
|
|
return n.rpcEnv
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (n *nodeImpl) Listeners() []string {
|
|
return []string{
|
|
fmt.Sprintf("Listener(@%v)", n.config.P2P.ExternalAddress),
|
|
}
|
|
}
|
|
|
|
func (n *nodeImpl) IsListening() bool {
|
|
return n.isListening
|
|
}
|
|
|
|
// NodeInfo returns the Node's Info from the Switch.
|
|
func (n *nodeImpl) NodeInfo() types.NodeInfo {
|
|
return n.nodeInfo
|
|
}
|
|
|
|
// genesisDocProvider returns a GenesisDoc.
|
|
// It allows the GenesisDoc to be pulled from sources other than the
|
|
// filesystem, for instance from a distributed key-value store cluster.
|
|
type genesisDocProvider func() (*types.GenesisDoc, error)
|
|
|
|
// defaultGenesisDocProviderFunc returns a GenesisDocProvider that loads
|
|
// the GenesisDoc from the config.GenesisFile() on the filesystem.
|
|
func defaultGenesisDocProviderFunc(cfg *config.Config) genesisDocProvider {
|
|
return func() (*types.GenesisDoc, error) {
|
|
return types.GenesisDocFromFile(cfg.GenesisFile())
|
|
}
|
|
}
|
|
|
|
type nodeMetrics struct {
|
|
consensus *consensus.Metrics
|
|
indexer *indexer.Metrics
|
|
mempool *mempool.Metrics
|
|
p2p *p2p.Metrics
|
|
proxy *proxy.Metrics
|
|
state *sm.Metrics
|
|
statesync *statesync.Metrics
|
|
evidence *evidence.Metrics
|
|
}
|
|
|
|
// metricsProvider returns consensus, p2p, mempool, state, statesync Metrics.
|
|
type metricsProvider func(chainID string) *nodeMetrics
|
|
|
|
// defaultMetricsProvider returns Metrics build using Prometheus client library
|
|
// if Prometheus is enabled. Otherwise, it returns no-op Metrics.
|
|
func defaultMetricsProvider(cfg *config.InstrumentationConfig) metricsProvider {
|
|
return func(chainID string) *nodeMetrics {
|
|
if cfg.Prometheus {
|
|
return &nodeMetrics{
|
|
consensus: consensus.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
indexer: indexer.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
mempool: mempool.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
p2p: p2p.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
proxy: proxy.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
state: sm.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
statesync: statesync.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
evidence: evidence.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
}
|
|
}
|
|
return &nodeMetrics{
|
|
consensus: consensus.NopMetrics(),
|
|
indexer: indexer.NopMetrics(),
|
|
mempool: mempool.NopMetrics(),
|
|
p2p: p2p.NopMetrics(),
|
|
proxy: proxy.NopMetrics(),
|
|
state: sm.NopMetrics(),
|
|
statesync: statesync.NopMetrics(),
|
|
evidence: evidence.NopMetrics(),
|
|
}
|
|
}
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
// loadStateFromDBOrGenesisDocProvider attempts to load the state from the
|
|
// database, or creates one using the given genesisDocProvider. On success this also
|
|
// returns the genesis doc loaded through the given provider.
|
|
func loadStateFromDBOrGenesisDocProvider(
|
|
stateStore sm.Store,
|
|
genDoc *types.GenesisDoc,
|
|
) (sm.State, error) {
|
|
|
|
// 1. Attempt to load state form the database
|
|
state, err := stateStore.Load()
|
|
if err != nil {
|
|
return sm.State{}, err
|
|
}
|
|
|
|
if state.IsEmpty() {
|
|
// 2. If it's not there, derive it from the genesis doc
|
|
state, err = sm.MakeGenesisState(genDoc)
|
|
if err != nil {
|
|
return sm.State{}, err
|
|
}
|
|
}
|
|
|
|
return state, nil
|
|
}
|
|
|
|
func getRouterConfig(conf *config.Config, proxyApp proxy.AppConns) p2p.RouterOptions {
|
|
opts := p2p.RouterOptions{
|
|
QueueType: conf.P2P.QueueType,
|
|
}
|
|
|
|
if conf.FilterPeers && proxyApp != nil {
|
|
opts.FilterPeerByID = func(ctx context.Context, id types.NodeID) error {
|
|
res, err := proxyApp.Query().Query(ctx, abci.RequestQuery{
|
|
Path: fmt.Sprintf("/p2p/filter/id/%s", id),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if res.IsErr() {
|
|
return fmt.Errorf("error querying abci app: %v", res)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
opts.FilterPeerByIP = func(ctx context.Context, ip net.IP, port uint16) error {
|
|
res, err := proxyApp.Query().Query(ctx, abci.RequestQuery{
|
|
Path: fmt.Sprintf("/p2p/filter/addr/%s", net.JoinHostPort(ip.String(), strconv.Itoa(int(port)))),
|
|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if res.IsErr() {
|
|
return fmt.Errorf("error querying abci app: %v", res)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
}
|
|
|
|
return opts
|
|
}
|