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1078 lines
32 KiB
1078 lines
32 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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"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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"github.com/rs/cors"
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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/consensus"
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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/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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tmnet "github.com/tendermint/tendermint/libs/net"
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tmpubsub "github.com/tendermint/tendermint/libs/pubsub"
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"github.com/tendermint/tendermint/libs/service"
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"github.com/tendermint/tendermint/libs/strings"
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tmtime "github.com/tendermint/tendermint/libs/time"
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"github.com/tendermint/tendermint/privval"
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tmgrpc "github.com/tendermint/tendermint/privval/grpc"
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rpcserver "github.com/tendermint/tendermint/rpc/jsonrpc/server"
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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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// 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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eventBus *types.EventBus // pub/sub for 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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bcReactor service.Service // for block-syncing
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mempoolReactor service.Service // for gossipping transactions
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mempool mempool.Mempool
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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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consensusReactor *consensus.Reactor // for participating in the consensus
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pexReactor service.Service // for exchanging peer addresses
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evidenceReactor service.Service
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rpcListeners []net.Listener // rpc servers
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shutdownOps closer
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indexerService service.Service
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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(cfg *config.Config, logger log.Logger) (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(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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var pval *privval.FilePV
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if cfg.Mode == config.ModeValidator {
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pval, err = privval.LoadOrGenFilePV(cfg.PrivValidator.KeyFile(), cfg.PrivValidator.StateFile())
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if err != nil {
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return nil, err
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}
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} else {
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pval = nil
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}
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appClient, _ := proxy.DefaultClientCreator(cfg.ProxyApp, cfg.ABCI, cfg.DBDir())
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return makeNode(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(cfg *config.Config,
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privValidator types.PrivValidator,
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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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closers := []closer{}
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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, err := createAndStartProxyAppConns(clientCreator, logger, nodeMetrics.proxy)
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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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// 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, err := createAndStartEventBus(logger)
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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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indexerService, eventSinks, err := createAndStartIndexerService(cfg, dbProvider, eventBus, logger, genDoc.ChainID)
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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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// If an address is provided, listen on the socket for a connection from an
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// external signing process.
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if cfg.PrivValidator.ListenAddr != "" {
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protocol, _ := tmnet.ProtocolAndAddress(cfg.PrivValidator.ListenAddr)
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// FIXME: we should start services inside OnStart
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switch protocol {
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case "grpc":
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privValidator, err = createAndStartPrivValidatorGRPCClient(cfg, genDoc.ChainID, logger)
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if err != nil {
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return nil, combineCloseError(
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fmt.Errorf("error with private validator grpc client: %w", err),
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makeCloser(closers))
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}
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default:
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privValidator, err = createAndStartPrivValidatorSocketClient(cfg.PrivValidator.ListenAddr, genDoc.ChainID, logger)
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if err != nil {
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return nil, combineCloseError(
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fmt.Errorf("error with private validator socket client: %w", err),
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makeCloser(closers))
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}
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}
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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(context.TODO())
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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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consensusLogger := logger.With("module", "consensus")
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if !stateSync {
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if err := doHandshake(stateStore, state, blockStore, genDoc, eventBus, proxyApp, consensusLogger); 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, consensusLogger, 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(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(
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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(
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cfg, dbProvider, stateDB, blockStore, 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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// 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(
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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, consensusLogger,
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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 := createBlockchainReactor(
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logger, state, blockExec, blockStore, csReactor,
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peerManager, router, blockSync && !stateSync, nodeMetrics.consensus,
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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 blockchain 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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ssLogger := logger.With("module", "statesync")
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ssChDesc := statesync.GetChannelDescriptors()
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channels := make(map[p2p.ChannelID]*p2p.Channel, len(ssChDesc))
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for idx := range ssChDesc {
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chd := ssChDesc[idx]
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ch, err := router.OpenChannel(chd)
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if err != nil {
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return nil, err
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}
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channels[ch.ID] = ch
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}
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peerUpdates := peerManager.Subscribe()
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stateSyncReactor := statesync.NewReactor(
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genDoc.ChainID,
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genDoc.InitialHeight,
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*cfg.StateSync,
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ssLogger,
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proxyApp.Snapshot(),
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proxyApp.Query(),
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channels[statesync.SnapshotChannel],
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channels[statesync.ChunkChannel],
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channels[statesync.LightBlockChannel],
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channels[statesync.ParamsChannel],
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peerUpdates,
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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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)
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// Optionally, start the pex reactor
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//
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// TODO:
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//
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// We need to set Seeds and PersistentPeers on the switch,
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// since it needs to be able to use these (and their DNS names)
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// even if the PEX is off. We can include the DNS name in the NetAddress,
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// but it would still be nice to have a clear list of the current "PersistentPeers"
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// somewhere that we can return with net_info.
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//
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// If PEX is on, it should handle dialing the seeds. Otherwise the switch does it.
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// Note we currently use the addrBook regardless at least for AddOurAddress
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pexReactor, err := createPEXReactor(logger, peerManager, router)
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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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if cfg.RPC.PprofListenAddress != "" {
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go func() {
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logger.Info("Starting pprof server", "laddr", cfg.RPC.PprofListenAddress)
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logger.Error("pprof server error", "err", http.ListenAndServe(cfg.RPC.PprofListenAddress, nil))
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}()
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}
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node := &nodeImpl{
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config: cfg,
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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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stateStore: stateStore,
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blockStore: blockStore,
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bcReactor: bcReactor,
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mempoolReactor: mpReactor,
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mempool: mp,
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consensusReactor: csReactor,
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stateSyncReactor: stateSyncReactor,
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stateSync: stateSync,
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pexReactor: pexReactor,
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evidenceReactor: evReactor,
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indexerService: indexerService,
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eventBus: eventBus,
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eventSinks: eventSinks,
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|
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shutdownOps: makeCloser(closers),
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|
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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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|
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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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|
|
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ConsensusReactor: csReactor,
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BlockSyncReactor: bcReactor.(consensus.BlockSyncReactor),
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|
|
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PeerManager: peerManager,
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|
|
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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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|
|
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node.rpcEnv.P2PTransport = node
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|
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node.BaseService = *service.NewBaseService(logger, "Node", node)
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|
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return node, nil
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}
|
|
|
|
// makeSeedNode returns a new seed node, containing only p2p, pex reactor
|
|
func makeSeedNode(cfg *config.Config,
|
|
dbProvider config.DBProvider,
|
|
nodeKey types.NodeKey,
|
|
genesisDocProvider genesisDocProvider,
|
|
logger log.Logger,
|
|
) (service.Service, error) {
|
|
|
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genDoc, err := genesisDocProvider()
|
|
if err != nil {
|
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return nil, err
|
|
}
|
|
|
|
state, err := sm.MakeGenesisState(genDoc)
|
|
if err != nil {
|
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return nil, err
|
|
|
|
}
|
|
|
|
nodeInfo, err := makeSeedNodeInfo(cfg, nodeKey, genDoc, state)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Setup Transport and Switch.
|
|
p2pMetrics := p2p.PrometheusMetrics(cfg.Instrumentation.Namespace, "chain_id", genDoc.ChainID)
|
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|
|
peerManager, closer, err := createPeerManager(cfg, dbProvider, nodeKey.ID)
|
|
if err != nil {
|
|
return nil, combineCloseError(
|
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fmt.Errorf("failed to create peer manager: %w", err),
|
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closer)
|
|
}
|
|
|
|
router, err := createRouter(logger, p2pMetrics, nodeInfo, nodeKey,
|
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peerManager, cfg, nil)
|
|
if err != nil {
|
|
return nil, combineCloseError(
|
|
fmt.Errorf("failed to create router: %w", err),
|
|
closer)
|
|
}
|
|
|
|
var pexReactor service.Service
|
|
|
|
pexReactor, err = createPEXReactor(logger, peerManager, router)
|
|
if err != nil {
|
|
return nil, combineCloseError(err, closer)
|
|
|
|
}
|
|
|
|
if cfg.RPC.PprofListenAddress != "" {
|
|
go func() {
|
|
logger.Info("Starting pprof server", "laddr", cfg.RPC.PprofListenAddress)
|
|
logger.Error("pprof server error", "err", http.ListenAndServe(cfg.RPC.PprofListenAddress, nil))
|
|
}()
|
|
}
|
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|
|
node := &nodeImpl{
|
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config: cfg,
|
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genesisDoc: genDoc,
|
|
|
|
nodeInfo: nodeInfo,
|
|
nodeKey: nodeKey,
|
|
peerManager: peerManager,
|
|
router: router,
|
|
|
|
shutdownOps: closer,
|
|
|
|
pexReactor: pexReactor,
|
|
}
|
|
node.BaseService = *service.NewBaseService(logger, "SeedNode", node)
|
|
|
|
return node, nil
|
|
}
|
|
|
|
// OnStart starts the Node. It implements service.Service.
|
|
func (n *nodeImpl) OnStart() error {
|
|
now := tmtime.Now()
|
|
genTime := n.genesisDoc.GenesisTime
|
|
if genTime.After(now) {
|
|
n.Logger.Info("Genesis time is in the future. Sleeping until then...", "genTime", genTime)
|
|
time.Sleep(genTime.Sub(now))
|
|
}
|
|
|
|
// Start the RPC server before the P2P server
|
|
// so we can eg. receive txs for the first block
|
|
if n.config.RPC.ListenAddress != "" && n.config.Mode != config.ModeSeed {
|
|
listeners, err := n.startRPC()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
n.rpcListeners = listeners
|
|
}
|
|
|
|
if n.config.Instrumentation.Prometheus &&
|
|
n.config.Instrumentation.PrometheusListenAddr != "" {
|
|
n.prometheusSrv = n.startPrometheusServer(n.config.Instrumentation.PrometheusListenAddr)
|
|
}
|
|
|
|
// Start the transport.
|
|
if err := n.router.Start(); err != nil {
|
|
return err
|
|
}
|
|
n.isListening = true
|
|
|
|
if n.config.Mode != config.ModeSeed {
|
|
if err := n.bcReactor.Start(); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Start the real consensus reactor separately since the switch uses the shim.
|
|
if err := n.consensusReactor.Start(); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Start the real state sync reactor separately since the switch uses the shim.
|
|
if err := n.stateSyncReactor.Start(); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Start the real mempool reactor separately since the switch uses the shim.
|
|
if err := n.mempoolReactor.Start(); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Start the real evidence reactor separately since the switch uses the shim.
|
|
if err := n.evidenceReactor.Start(); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
if err := n.pexReactor.Start(); err != nil {
|
|
return err
|
|
}
|
|
|
|
// Run state sync
|
|
// TODO: We shouldn't run state sync if we already have state that has a
|
|
// LastBlockHeight that is not InitialHeight
|
|
if n.stateSync {
|
|
bcR, ok := n.bcReactor.(consensus.BlockSyncReactor)
|
|
if !ok {
|
|
return fmt.Errorf("this blockchain reactor does not support switching from state sync")
|
|
}
|
|
|
|
// we need to get the genesis state to get parameters such as
|
|
state, err := sm.MakeGenesisState(n.genesisDoc)
|
|
if err != nil {
|
|
return fmt.Errorf("unable to derive state: %w", err)
|
|
}
|
|
|
|
// TODO: we may want to move these events within the respective
|
|
// reactors.
|
|
// At the beginning of the statesync start, we use the initialHeight as the event height
|
|
// because of the statesync doesn't have the concreate state height before fetched the snapshot.
|
|
d := types.EventDataStateSyncStatus{Complete: false, Height: state.InitialHeight}
|
|
if err := n.eventBus.PublishEventStateSyncStatus(d); err != nil {
|
|
n.eventBus.Logger.Error("failed to emit the statesync start event", "err", err)
|
|
}
|
|
|
|
// FIXME: We shouldn't allow state sync to silently error out without
|
|
// bubbling up the error and gracefully shutting down the rest of the node
|
|
go func() {
|
|
n.Logger.Info("starting state sync")
|
|
state, err := n.stateSyncReactor.Sync(context.TODO())
|
|
if err != nil {
|
|
n.Logger.Error("state sync failed; shutting down this node", "err", err)
|
|
// stop the node
|
|
if err := n.Stop(); err != nil {
|
|
n.Logger.Error("failed to shut down node", "err", err)
|
|
}
|
|
return
|
|
}
|
|
|
|
n.consensusReactor.SetStateSyncingMetrics(0)
|
|
|
|
if err := n.eventBus.PublishEventStateSyncStatus(
|
|
types.EventDataStateSyncStatus{
|
|
Complete: true,
|
|
Height: state.LastBlockHeight,
|
|
}); err != nil {
|
|
|
|
n.eventBus.Logger.Error("failed to emit the statesync start event", "err", 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.consensusReactor.SetBlockSyncingMetrics(1)
|
|
if err := bcR.SwitchToBlockSync(state); err != nil {
|
|
n.Logger.Error("failed to switch to block sync", "err", err)
|
|
return
|
|
}
|
|
|
|
if err := n.eventBus.PublishEventBlockSyncStatus(
|
|
types.EventDataBlockSyncStatus{
|
|
Complete: false,
|
|
Height: state.LastBlockHeight,
|
|
}); err != nil {
|
|
|
|
n.eventBus.Logger.Error("failed to emit the block sync starting event", "err", err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// OnStop stops the Node. It implements service.Service.
|
|
func (n *nodeImpl) OnStop() {
|
|
|
|
n.Logger.Info("Stopping Node")
|
|
|
|
if n.eventBus != nil {
|
|
// first stop the non-reactor services
|
|
if err := n.eventBus.Stop(); err != nil {
|
|
n.Logger.Error("Error closing eventBus", "err", err)
|
|
}
|
|
}
|
|
if n.indexerService != nil {
|
|
if err := n.indexerService.Stop(); err != nil {
|
|
n.Logger.Error("Error closing indexerService", "err", err)
|
|
}
|
|
}
|
|
|
|
for _, es := range n.eventSinks {
|
|
if err := es.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop event sink", "err", err)
|
|
}
|
|
}
|
|
|
|
if n.config.Mode != config.ModeSeed {
|
|
// now stop the reactors
|
|
|
|
// Stop the real blockchain reactor separately since the switch uses the shim.
|
|
if err := n.bcReactor.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop the blockchain reactor", "err", err)
|
|
}
|
|
|
|
// Stop the real consensus reactor separately since the switch uses the shim.
|
|
if err := n.consensusReactor.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop the consensus reactor", "err", err)
|
|
}
|
|
|
|
// Stop the real state sync reactor separately since the switch uses the shim.
|
|
if err := n.stateSyncReactor.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop the state sync reactor", "err", err)
|
|
}
|
|
|
|
// Stop the real mempool reactor separately since the switch uses the shim.
|
|
if err := n.mempoolReactor.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop the mempool reactor", "err", err)
|
|
}
|
|
|
|
// Stop the real evidence reactor separately since the switch uses the shim.
|
|
if err := n.evidenceReactor.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop the evidence reactor", "err", err)
|
|
}
|
|
}
|
|
|
|
if err := n.pexReactor.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop the PEX v2 reactor", "err", err)
|
|
}
|
|
|
|
if err := n.router.Stop(); err != nil {
|
|
n.Logger.Error("failed to stop router", "err", err)
|
|
}
|
|
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 {
|
|
if err := pvsc.Stop(); err != nil {
|
|
n.Logger.Error("Error closing private validator", "err", err)
|
|
}
|
|
}
|
|
|
|
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 {
|
|
n.Logger.Error("problem shutting down additional services", "err", err)
|
|
}
|
|
}
|
|
|
|
func (n *nodeImpl) startRPC() ([]net.Listener, error) {
|
|
if n.config.Mode == config.ModeValidator {
|
|
pubKey, err := n.privValidator.GetPubKey(context.TODO())
|
|
if pubKey == nil || err != nil {
|
|
return nil, fmt.Errorf("can't get pubkey: %w", err)
|
|
}
|
|
n.rpcEnv.PubKey = pubKey
|
|
}
|
|
if err := n.rpcEnv.InitGenesisChunks(); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
listenAddrs := strings.SplitAndTrimEmpty(n.config.RPC.ListenAddress, ",", " ")
|
|
routes := n.rpcEnv.GetRoutes()
|
|
|
|
if n.config.RPC.Unsafe {
|
|
n.rpcEnv.AddUnsafe(routes)
|
|
}
|
|
|
|
cfg := rpcserver.DefaultConfig()
|
|
cfg.MaxBodyBytes = n.config.RPC.MaxBodyBytes
|
|
cfg.MaxHeaderBytes = n.config.RPC.MaxHeaderBytes
|
|
cfg.MaxOpenConnections = n.config.RPC.MaxOpenConnections
|
|
// If necessary adjust global WriteTimeout to ensure it's greater than
|
|
// TimeoutBroadcastTxCommit.
|
|
// See https://github.com/tendermint/tendermint/issues/3435
|
|
if cfg.WriteTimeout <= n.config.RPC.TimeoutBroadcastTxCommit {
|
|
cfg.WriteTimeout = n.config.RPC.TimeoutBroadcastTxCommit + 1*time.Second
|
|
}
|
|
|
|
// we may expose the rpc over both a unix and tcp socket
|
|
listeners := make([]net.Listener, len(listenAddrs))
|
|
for i, listenAddr := range listenAddrs {
|
|
mux := http.NewServeMux()
|
|
rpcLogger := n.Logger.With("module", "rpc-server")
|
|
wmLogger := rpcLogger.With("protocol", "websocket")
|
|
wm := rpcserver.NewWebsocketManager(routes,
|
|
rpcserver.OnDisconnect(func(remoteAddr string) {
|
|
err := n.eventBus.UnsubscribeAll(context.Background(), remoteAddr)
|
|
if err != nil && err != tmpubsub.ErrSubscriptionNotFound {
|
|
wmLogger.Error("Failed to unsubscribe addr from events", "addr", remoteAddr, "err", err)
|
|
}
|
|
}),
|
|
rpcserver.ReadLimit(cfg.MaxBodyBytes),
|
|
)
|
|
wm.SetLogger(wmLogger)
|
|
mux.HandleFunc("/websocket", wm.WebsocketHandler)
|
|
rpcserver.RegisterRPCFuncs(mux, routes, rpcLogger)
|
|
listener, err := rpcserver.Listen(
|
|
listenAddr,
|
|
cfg.MaxOpenConnections,
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
var rootHandler http.Handler = mux
|
|
if n.config.RPC.IsCorsEnabled() {
|
|
corsMiddleware := cors.New(cors.Options{
|
|
AllowedOrigins: n.config.RPC.CORSAllowedOrigins,
|
|
AllowedMethods: n.config.RPC.CORSAllowedMethods,
|
|
AllowedHeaders: n.config.RPC.CORSAllowedHeaders,
|
|
})
|
|
rootHandler = corsMiddleware.Handler(mux)
|
|
}
|
|
if n.config.RPC.IsTLSEnabled() {
|
|
go func() {
|
|
if err := rpcserver.ServeTLS(
|
|
listener,
|
|
rootHandler,
|
|
n.config.RPC.CertFile(),
|
|
n.config.RPC.KeyFile(),
|
|
rpcLogger,
|
|
cfg,
|
|
); err != nil {
|
|
n.Logger.Error("Error serving server with TLS", "err", err)
|
|
}
|
|
}()
|
|
} else {
|
|
go func() {
|
|
if err := rpcserver.Serve(
|
|
listener,
|
|
rootHandler,
|
|
rpcLogger,
|
|
cfg,
|
|
); err != nil {
|
|
n.Logger.Error("Error serving server", "err", err)
|
|
}
|
|
}()
|
|
}
|
|
|
|
listeners[i] = listener
|
|
}
|
|
|
|
return listeners, nil
|
|
}
|
|
|
|
// startPrometheusServer starts a Prometheus HTTP server, listening for metrics
|
|
// collectors on addr.
|
|
func (n *nodeImpl) startPrometheusServer(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},
|
|
),
|
|
),
|
|
}
|
|
go func() {
|
|
if err := srv.ListenAndServe(); err != http.ErrServerClosed {
|
|
// Error starting or closing listener:
|
|
n.Logger.Error("Prometheus HTTP server ListenAndServe", "err", err)
|
|
}
|
|
}()
|
|
return srv
|
|
}
|
|
|
|
// ConsensusReactor returns the Node's ConsensusReactor.
|
|
func (n *nodeImpl) ConsensusReactor() *consensus.Reactor {
|
|
return n.consensusReactor
|
|
}
|
|
|
|
// Mempool returns the Node's mempool.
|
|
func (n *nodeImpl) Mempool() mempool.Mempool {
|
|
return n.mempool
|
|
}
|
|
|
|
// EventBus returns the Node's EventBus.
|
|
func (n *nodeImpl) EventBus() *types.EventBus {
|
|
return n.eventBus
|
|
}
|
|
|
|
// PrivValidator returns the Node's PrivValidator.
|
|
// XXX: for convenience only!
|
|
func (n *nodeImpl) PrivValidator() types.PrivValidator {
|
|
return n.privValidator
|
|
}
|
|
|
|
// 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
|
|
p2p *p2p.Metrics
|
|
mempool *mempool.Metrics
|
|
state *sm.Metrics
|
|
statesync *statesync.Metrics
|
|
proxy *proxy.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.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
p2p.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
mempool.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
sm.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
statesync.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
proxy.PrometheusMetrics(cfg.Namespace, "chain_id", chainID),
|
|
}
|
|
}
|
|
return &nodeMetrics{
|
|
consensus.NopMetrics(),
|
|
p2p.NopMetrics(),
|
|
mempool.NopMetrics(),
|
|
sm.NopMetrics(),
|
|
statesync.NopMetrics(),
|
|
proxy.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 createAndStartPrivValidatorSocketClient(
|
|
listenAddr,
|
|
chainID string,
|
|
logger log.Logger,
|
|
) (types.PrivValidator, error) {
|
|
|
|
pve, err := privval.NewSignerListener(listenAddr, logger)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to start private validator: %w", err)
|
|
}
|
|
|
|
pvsc, err := privval.NewSignerClient(pve, chainID)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to start private validator: %w", err)
|
|
}
|
|
|
|
// try to get a pubkey from private validate first time
|
|
_, err = pvsc.GetPubKey(context.TODO())
|
|
if err != nil {
|
|
return nil, fmt.Errorf("can't get pubkey: %w", err)
|
|
}
|
|
|
|
const (
|
|
retries = 50 // 50 * 100ms = 5s total
|
|
timeout = 100 * time.Millisecond
|
|
)
|
|
pvscWithRetries := privval.NewRetrySignerClient(pvsc, retries, timeout)
|
|
|
|
return pvscWithRetries, nil
|
|
}
|
|
|
|
func createAndStartPrivValidatorGRPCClient(
|
|
cfg *config.Config,
|
|
chainID string,
|
|
logger log.Logger,
|
|
) (types.PrivValidator, error) {
|
|
pvsc, err := tmgrpc.DialRemoteSigner(
|
|
cfg.PrivValidator,
|
|
chainID,
|
|
logger,
|
|
cfg.Instrumentation.Prometheus,
|
|
)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to start private validator: %w", err)
|
|
}
|
|
|
|
// try to get a pubkey from private validate first time
|
|
_, err = pvsc.GetPubKey(context.TODO())
|
|
if err != nil {
|
|
return nil, fmt.Errorf("can't get pubkey: %w", err)
|
|
}
|
|
|
|
return pvsc, 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().QuerySync(context.Background(), 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().QuerySync(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
|
|
}
|