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1138 lines
35 KiB
1138 lines
35 KiB
package node
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import (
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"bytes"
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"context"
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"fmt"
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"net"
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"net/http"
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_ "net/http/pprof"
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"os"
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"strings"
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"time"
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"github.com/pkg/errors"
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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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amino "github.com/tendermint/go-amino"
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abci "github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/blockchain"
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bc "github.com/tendermint/tendermint/blockchain"
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cfg "github.com/tendermint/tendermint/config"
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"github.com/tendermint/tendermint/consensus"
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cs "github.com/tendermint/tendermint/consensus"
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"github.com/tendermint/tendermint/crypto/ed25519"
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"github.com/tendermint/tendermint/evidence"
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cmn "github.com/tendermint/tendermint/libs/common"
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dbm "github.com/tendermint/tendermint/libs/db"
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"github.com/tendermint/tendermint/libs/log"
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tmpubsub "github.com/tendermint/tendermint/libs/pubsub"
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mempl "github.com/tendermint/tendermint/mempool"
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"github.com/tendermint/tendermint/p2p"
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"github.com/tendermint/tendermint/p2p/pex"
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"github.com/tendermint/tendermint/privval"
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"github.com/tendermint/tendermint/proxy"
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rpccore "github.com/tendermint/tendermint/rpc/core"
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ctypes "github.com/tendermint/tendermint/rpc/core/types"
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grpccore "github.com/tendermint/tendermint/rpc/grpc"
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rpcserver "github.com/tendermint/tendermint/rpc/lib/server"
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sm "github.com/tendermint/tendermint/state"
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"github.com/tendermint/tendermint/state/txindex"
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"github.com/tendermint/tendermint/state/txindex/kv"
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"github.com/tendermint/tendermint/state/txindex/null"
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"github.com/tendermint/tendermint/types"
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tmtime "github.com/tendermint/tendermint/types/time"
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"github.com/tendermint/tendermint/version"
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)
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//------------------------------------------------------------------------------
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// DBContext specifies config information for loading a new DB.
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type DBContext struct {
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ID string
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Config *cfg.Config
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}
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// DBProvider takes a DBContext and returns an instantiated DB.
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type DBProvider func(*DBContext) (dbm.DB, error)
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// DefaultDBProvider returns a database using the DBBackend and DBDir
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// specified in the ctx.Config.
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func DefaultDBProvider(ctx *DBContext) (dbm.DB, error) {
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dbType := dbm.DBBackendType(ctx.Config.DBBackend)
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return dbm.NewDB(ctx.ID, dbType, ctx.Config.DBDir()), nil
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}
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// GenesisDocProvider returns a GenesisDoc.
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// It allows the GenesisDoc to be pulled from sources other than the
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// filesystem, for instance from a distributed key-value store cluster.
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type GenesisDocProvider func() (*types.GenesisDoc, error)
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// DefaultGenesisDocProviderFunc returns a GenesisDocProvider that loads
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// the GenesisDoc from the config.GenesisFile() on the filesystem.
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func DefaultGenesisDocProviderFunc(config *cfg.Config) GenesisDocProvider {
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return func() (*types.GenesisDoc, error) {
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return types.GenesisDocFromFile(config.GenesisFile())
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}
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}
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// NodeProvider takes a config and a logger and returns a ready to go Node.
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type NodeProvider func(*cfg.Config, log.Logger) (*Node, error)
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// DefaultNewNode 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 DefaultNewNode(config *cfg.Config, logger log.Logger) (*Node, error) {
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// Generate node PrivKey
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nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile())
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if err != nil {
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return nil, err
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}
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// Convert old PrivValidator if it exists.
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oldPrivVal := config.OldPrivValidatorFile()
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newPrivValKey := config.PrivValidatorKeyFile()
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newPrivValState := config.PrivValidatorStateFile()
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if _, err := os.Stat(oldPrivVal); !os.IsNotExist(err) {
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oldPV, err := privval.LoadOldFilePV(oldPrivVal)
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if err != nil {
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return nil, fmt.Errorf("error reading OldPrivValidator from %v: %v\n", oldPrivVal, err)
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}
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logger.Info("Upgrading PrivValidator file",
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"old", oldPrivVal,
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"newKey", newPrivValKey,
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"newState", newPrivValState,
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)
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oldPV.Upgrade(newPrivValKey, newPrivValState)
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}
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return NewNode(config,
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privval.LoadOrGenFilePV(newPrivValKey, newPrivValState),
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nodeKey,
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proxy.DefaultClientCreator(config.ProxyApp, config.ABCI, config.DBDir()),
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DefaultGenesisDocProviderFunc(config),
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DefaultDBProvider,
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DefaultMetricsProvider(config.Instrumentation),
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logger,
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)
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}
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// MetricsProvider returns a consensus, p2p and mempool Metrics.
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type MetricsProvider func(chainID string) (*cs.Metrics, *p2p.Metrics, *mempl.Metrics, *sm.Metrics)
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// DefaultMetricsProvider returns Metrics build using Prometheus client library
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// if Prometheus is enabled. Otherwise, it returns no-op Metrics.
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func DefaultMetricsProvider(config *cfg.InstrumentationConfig) MetricsProvider {
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return func(chainID string) (*cs.Metrics, *p2p.Metrics, *mempl.Metrics, *sm.Metrics) {
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if config.Prometheus {
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return cs.PrometheusMetrics(config.Namespace, "chain_id", chainID),
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p2p.PrometheusMetrics(config.Namespace, "chain_id", chainID),
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mempl.PrometheusMetrics(config.Namespace, "chain_id", chainID),
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sm.PrometheusMetrics(config.Namespace, "chain_id", chainID)
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}
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return cs.NopMetrics(), p2p.NopMetrics(), mempl.NopMetrics(), sm.NopMetrics()
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}
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}
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//------------------------------------------------------------------------------
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// Node 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 Node struct {
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cmn.BaseService
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// config
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config *cfg.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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transport *p2p.MultiplexTransport
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sw *p2p.Switch // p2p connections
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addrBook pex.AddrBook // known peers
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nodeInfo p2p.NodeInfo
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nodeKey *p2p.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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stateDB dbm.DB
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blockStore *bc.BlockStore // store the blockchain to disk
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bcReactor *bc.BlockchainReactor // for fast-syncing
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mempoolReactor *mempl.Reactor // for gossipping transactions
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mempool mempl.Mempool
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consensusState *cs.ConsensusState // latest consensus state
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consensusReactor *cs.ConsensusReactor // for participating in the consensus
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pexReactor *pex.PEXReactor // for exchanging peer addresses
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evidencePool *evidence.EvidencePool // tracking evidence
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proxyApp proxy.AppConns // connection to the application
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rpcListeners []net.Listener // rpc servers
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txIndexer txindex.TxIndexer
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indexerService *txindex.IndexerService
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prometheusSrv *http.Server
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}
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func initDBs(config *cfg.Config, dbProvider DBProvider) (blockStore *bc.BlockStore, stateDB dbm.DB, err error) {
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var blockStoreDB dbm.DB
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blockStoreDB, err = dbProvider(&DBContext{"blockstore", config})
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if err != nil {
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return
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}
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blockStore = bc.NewBlockStore(blockStoreDB)
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stateDB, err = dbProvider(&DBContext{"state", config})
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if err != nil {
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return
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}
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return
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}
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func createAndStartProxyAppConns(clientCreator proxy.ClientCreator, logger log.Logger) (proxy.AppConns, error) {
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proxyApp := proxy.NewAppConns(clientCreator)
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proxyApp.SetLogger(logger.With("module", "proxy"))
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if err := proxyApp.Start(); err != nil {
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return nil, fmt.Errorf("error starting proxy app connections: %v", err)
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}
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return proxyApp, nil
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}
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func createAndStartEventBus(logger log.Logger) (*types.EventBus, error) {
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eventBus := types.NewEventBus()
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eventBus.SetLogger(logger.With("module", "events"))
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if err := eventBus.Start(); err != nil {
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return nil, err
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}
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return eventBus, nil
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}
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func createAndStartIndexerService(config *cfg.Config, dbProvider DBProvider,
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eventBus *types.EventBus, logger log.Logger) (*txindex.IndexerService, txindex.TxIndexer, error) {
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var txIndexer txindex.TxIndexer
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switch config.TxIndex.Indexer {
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case "kv":
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store, err := dbProvider(&DBContext{"tx_index", config})
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if err != nil {
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return nil, nil, err
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}
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if config.TxIndex.IndexTags != "" {
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txIndexer = kv.NewTxIndex(store, kv.IndexTags(splitAndTrimEmpty(config.TxIndex.IndexTags, ",", " ")))
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} else if config.TxIndex.IndexAllTags {
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txIndexer = kv.NewTxIndex(store, kv.IndexAllTags())
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} else {
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txIndexer = kv.NewTxIndex(store)
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}
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default:
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txIndexer = &null.TxIndex{}
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}
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indexerService := txindex.NewIndexerService(txIndexer, eventBus)
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indexerService.SetLogger(logger.With("module", "txindex"))
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if err := indexerService.Start(); err != nil {
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return nil, nil, err
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}
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return indexerService, txIndexer, nil
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}
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func doHandshake(stateDB dbm.DB, state sm.State, blockStore sm.BlockStore,
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genDoc *types.GenesisDoc, eventBus *types.EventBus, proxyApp proxy.AppConns, consensusLogger log.Logger) error {
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handshaker := cs.NewHandshaker(stateDB, state, blockStore, genDoc)
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handshaker.SetLogger(consensusLogger)
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handshaker.SetEventBus(eventBus)
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if err := handshaker.Handshake(proxyApp); err != nil {
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return fmt.Errorf("error during handshake: %v", err)
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}
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return nil
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}
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func logNodeStartupInfo(state sm.State, privValidator types.PrivValidator, logger,
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consensusLogger log.Logger) {
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// Log the version info.
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logger.Info("Version info",
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"software", version.TMCoreSemVer,
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"block", version.BlockProtocol,
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"p2p", version.P2PProtocol,
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)
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// If the state and software differ in block version, at least log it.
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if state.Version.Consensus.Block != version.BlockProtocol {
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logger.Info("Software and state have different block protocols",
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"software", version.BlockProtocol,
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"state", state.Version.Consensus.Block,
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)
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}
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pubKey := privValidator.GetPubKey()
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addr := pubKey.Address()
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// Log whether this node is a validator or an observer
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if state.Validators.HasAddress(addr) {
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consensusLogger.Info("This node is a validator", "addr", addr, "pubKey", pubKey)
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} else {
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consensusLogger.Info("This node is not a validator", "addr", addr, "pubKey", pubKey)
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}
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}
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func onlyValidatorIsUs(state sm.State, privVal types.PrivValidator) bool {
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if state.Validators.Size() > 1 {
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return false
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}
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addr, _ := state.Validators.GetByIndex(0)
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return bytes.Equal(privVal.GetPubKey().Address(), addr)
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}
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func createMempoolAndMempoolReactor(config *cfg.Config, proxyApp proxy.AppConns,
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state sm.State, memplMetrics *mempl.Metrics, logger log.Logger) (*mempl.Reactor, *mempl.CListMempool) {
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mempool := mempl.NewCListMempool(
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config.Mempool,
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proxyApp.Mempool(),
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state.LastBlockHeight,
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mempl.WithMetrics(memplMetrics),
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mempl.WithPreCheck(sm.TxPreCheck(state)),
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mempl.WithPostCheck(sm.TxPostCheck(state)),
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)
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mempoolLogger := logger.With("module", "mempool")
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mempoolReactor := mempl.NewReactor(config.Mempool, mempool)
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mempoolReactor.SetLogger(mempoolLogger)
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if config.Consensus.WaitForTxs() {
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mempool.EnableTxsAvailable()
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}
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return mempoolReactor, mempool
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}
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func createEvidenceReactor(config *cfg.Config, dbProvider DBProvider,
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stateDB dbm.DB, logger log.Logger) (*evidence.EvidenceReactor, *evidence.EvidencePool, error) {
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evidenceDB, err := dbProvider(&DBContext{"evidence", config})
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if err != nil {
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return nil, nil, err
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}
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evidenceLogger := logger.With("module", "evidence")
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evidencePool := evidence.NewEvidencePool(stateDB, evidenceDB)
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evidencePool.SetLogger(evidenceLogger)
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evidenceReactor := evidence.NewEvidenceReactor(evidencePool)
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evidenceReactor.SetLogger(evidenceLogger)
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return evidenceReactor, evidencePool, nil
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}
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func createConsensusReactor(config *cfg.Config,
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state sm.State,
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blockExec *sm.BlockExecutor,
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blockStore sm.BlockStore,
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mempool *mempl.CListMempool,
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evidencePool *evidence.EvidencePool,
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privValidator types.PrivValidator,
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csMetrics *cs.Metrics,
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fastSync bool,
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eventBus *types.EventBus,
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consensusLogger log.Logger) (*consensus.ConsensusReactor, *consensus.ConsensusState) {
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consensusState := cs.NewConsensusState(
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config.Consensus,
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state.Copy(),
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blockExec,
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blockStore,
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mempool,
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evidencePool,
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cs.StateMetrics(csMetrics),
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)
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consensusState.SetLogger(consensusLogger)
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if privValidator != nil {
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consensusState.SetPrivValidator(privValidator)
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}
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consensusReactor := cs.NewConsensusReactor(consensusState, fastSync, cs.ReactorMetrics(csMetrics))
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consensusReactor.SetLogger(consensusLogger)
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// services which will be publishing and/or subscribing for messages (events)
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// consensusReactor will set it on consensusState and blockExecutor
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consensusReactor.SetEventBus(eventBus)
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return consensusReactor, consensusState
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}
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|
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func createTransport(config *cfg.Config, nodeInfo p2p.NodeInfo, nodeKey *p2p.NodeKey, proxyApp proxy.AppConns) (*p2p.MultiplexTransport, []p2p.PeerFilterFunc) {
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var (
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mConnConfig = p2p.MConnConfig(config.P2P)
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transport = p2p.NewMultiplexTransport(nodeInfo, *nodeKey, mConnConfig)
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connFilters = []p2p.ConnFilterFunc{}
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peerFilters = []p2p.PeerFilterFunc{}
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)
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if !config.P2P.AllowDuplicateIP {
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connFilters = append(connFilters, p2p.ConnDuplicateIPFilter())
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}
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|
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// Filter peers by addr or pubkey with an ABCI query.
|
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// If the query return code is OK, add peer.
|
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if config.FilterPeers {
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connFilters = append(
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connFilters,
|
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// ABCI query for address filtering.
|
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func(_ p2p.ConnSet, c net.Conn, _ []net.IP) error {
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res, err := proxyApp.Query().QuerySync(abci.RequestQuery{
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Path: fmt.Sprintf("/p2p/filter/addr/%s", c.RemoteAddr().String()),
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})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if res.IsErr() {
|
|
return fmt.Errorf("error querying abci app: %v", res)
|
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}
|
|
|
|
return nil
|
|
},
|
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)
|
|
|
|
peerFilters = append(
|
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peerFilters,
|
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// ABCI query for ID filtering.
|
|
func(_ p2p.IPeerSet, p p2p.Peer) error {
|
|
res, err := proxyApp.Query().QuerySync(abci.RequestQuery{
|
|
Path: fmt.Sprintf("/p2p/filter/id/%s", p.ID()),
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|
})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if res.IsErr() {
|
|
return fmt.Errorf("error querying abci app: %v", res)
|
|
}
|
|
|
|
return nil
|
|
},
|
|
)
|
|
}
|
|
|
|
p2p.MultiplexTransportConnFilters(connFilters...)(transport)
|
|
return transport, peerFilters
|
|
}
|
|
|
|
func createSwitch(config *cfg.Config,
|
|
transport *p2p.MultiplexTransport,
|
|
p2pMetrics *p2p.Metrics,
|
|
peerFilters []p2p.PeerFilterFunc,
|
|
mempoolReactor *mempl.Reactor,
|
|
bcReactor *blockchain.BlockchainReactor,
|
|
consensusReactor *consensus.ConsensusReactor,
|
|
evidenceReactor *evidence.EvidenceReactor,
|
|
nodeInfo p2p.NodeInfo,
|
|
nodeKey *p2p.NodeKey,
|
|
p2pLogger log.Logger) *p2p.Switch {
|
|
|
|
sw := p2p.NewSwitch(
|
|
config.P2P,
|
|
transport,
|
|
p2p.WithMetrics(p2pMetrics),
|
|
p2p.SwitchPeerFilters(peerFilters...),
|
|
)
|
|
sw.SetLogger(p2pLogger)
|
|
sw.AddReactor("MEMPOOL", mempoolReactor)
|
|
sw.AddReactor("BLOCKCHAIN", bcReactor)
|
|
sw.AddReactor("CONSENSUS", consensusReactor)
|
|
sw.AddReactor("EVIDENCE", evidenceReactor)
|
|
sw.SetNodeInfo(nodeInfo)
|
|
sw.SetNodeKey(nodeKey)
|
|
|
|
p2pLogger.Info("P2P Node ID", "ID", nodeKey.ID(), "file", config.NodeKeyFile())
|
|
return sw
|
|
}
|
|
|
|
func createAddrBookAndSetOnSwitch(config *cfg.Config, sw *p2p.Switch,
|
|
p2pLogger log.Logger, nodeKey *p2p.NodeKey) (pex.AddrBook, error) {
|
|
|
|
addrBook := pex.NewAddrBook(config.P2P.AddrBookFile(), config.P2P.AddrBookStrict)
|
|
addrBook.SetLogger(p2pLogger.With("book", config.P2P.AddrBookFile()))
|
|
|
|
// Add ourselves to addrbook to prevent dialing ourselves
|
|
if config.P2P.ExternalAddress != "" {
|
|
addr, err := p2p.NewNetAddressString(p2p.IDAddressString(nodeKey.ID(), config.P2P.ExternalAddress))
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "p2p.external_address is incorrect")
|
|
}
|
|
addrBook.AddOurAddress(addr)
|
|
}
|
|
if config.P2P.ListenAddress != "" {
|
|
addr, err := p2p.NewNetAddressString(p2p.IDAddressString(nodeKey.ID(), config.P2P.ListenAddress))
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "p2p.laddr is incorrect")
|
|
}
|
|
addrBook.AddOurAddress(addr)
|
|
}
|
|
|
|
sw.SetAddrBook(addrBook)
|
|
|
|
return addrBook, nil
|
|
}
|
|
|
|
func createPEXReactorAndAddToSwitch(addrBook pex.AddrBook, config *cfg.Config,
|
|
sw *p2p.Switch, logger log.Logger) *pex.PEXReactor {
|
|
|
|
// TODO persistent peers ? so we can have their DNS addrs saved
|
|
pexReactor := pex.NewPEXReactor(addrBook,
|
|
&pex.PEXReactorConfig{
|
|
Seeds: splitAndTrimEmpty(config.P2P.Seeds, ",", " "),
|
|
SeedMode: config.P2P.SeedMode,
|
|
// See consensus/reactor.go: blocksToContributeToBecomeGoodPeer 10000
|
|
// blocks assuming 10s blocks ~ 28 hours.
|
|
// TODO (melekes): make it dynamic based on the actual block latencies
|
|
// from the live network.
|
|
// https://github.com/tendermint/tendermint/issues/3523
|
|
SeedDisconnectWaitPeriod: 28 * time.Hour,
|
|
})
|
|
pexReactor.SetLogger(logger.With("module", "pex"))
|
|
sw.AddReactor("PEX", pexReactor)
|
|
return pexReactor
|
|
}
|
|
|
|
// NewNode returns a new, ready to go, Tendermint Node.
|
|
func NewNode(config *cfg.Config,
|
|
privValidator types.PrivValidator,
|
|
nodeKey *p2p.NodeKey,
|
|
clientCreator proxy.ClientCreator,
|
|
genesisDocProvider GenesisDocProvider,
|
|
dbProvider DBProvider,
|
|
metricsProvider MetricsProvider,
|
|
logger log.Logger) (*Node, error) {
|
|
|
|
blockStore, stateDB, err := initDBs(config, dbProvider)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
state, genDoc, err := LoadStateFromDBOrGenesisDocProvider(stateDB, genesisDocProvider)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Create the proxyApp and establish connections to the ABCI app (consensus, mempool, query).
|
|
proxyApp, err := createAndStartProxyAppConns(clientCreator, logger)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// EventBus and IndexerService must be started before the handshake because
|
|
// we might need to index the txs of the replayed block as this might not have happened
|
|
// when the node stopped last time (i.e. the node stopped after it saved the block
|
|
// but before it indexed the txs, or, endblocker panicked)
|
|
eventBus, err := createAndStartEventBus(logger)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Transaction indexing
|
|
indexerService, txIndexer, err := createAndStartIndexerService(config, dbProvider, eventBus, logger)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Create the handshaker, which calls RequestInfo, sets the AppVersion on the state,
|
|
// and replays any blocks as necessary to sync tendermint with the app.
|
|
consensusLogger := logger.With("module", "consensus")
|
|
if err := doHandshake(stateDB, state, blockStore, genDoc, eventBus, proxyApp, consensusLogger); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Reload the state. It will have the Version.Consensus.App set by the
|
|
// Handshake, and may have other modifications as well (ie. depending on
|
|
// what happened during block replay).
|
|
state = sm.LoadState(stateDB)
|
|
|
|
// If an address is provided, listen on the socket for a connection from an
|
|
// external signing process.
|
|
if config.PrivValidatorListenAddr != "" {
|
|
// FIXME: we should start services inside OnStart
|
|
privValidator, err = createAndStartPrivValidatorSocketClient(config.PrivValidatorListenAddr, logger)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "error with private validator socket client")
|
|
}
|
|
}
|
|
|
|
logNodeStartupInfo(state, privValidator, logger, consensusLogger)
|
|
|
|
// Decide whether to fast-sync or not
|
|
// We don't fast-sync when the only validator is us.
|
|
fastSync := config.FastSync && !onlyValidatorIsUs(state, privValidator)
|
|
|
|
csMetrics, p2pMetrics, memplMetrics, smMetrics := metricsProvider(genDoc.ChainID)
|
|
|
|
// Make MempoolReactor
|
|
mempoolReactor, mempool := createMempoolAndMempoolReactor(config, proxyApp, state, memplMetrics, logger)
|
|
|
|
// Make Evidence Reactor
|
|
evidenceReactor, evidencePool, err := createEvidenceReactor(config, dbProvider, stateDB, logger)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// make block executor for consensus and blockchain reactors to execute blocks
|
|
blockExec := sm.NewBlockExecutor(
|
|
stateDB,
|
|
logger.With("module", "state"),
|
|
proxyApp.Consensus(),
|
|
mempool,
|
|
evidencePool,
|
|
sm.BlockExecutorWithMetrics(smMetrics),
|
|
)
|
|
|
|
// Make BlockchainReactor
|
|
bcReactor := bc.NewBlockchainReactor(state.Copy(), blockExec, blockStore, fastSync)
|
|
bcReactor.SetLogger(logger.With("module", "blockchain"))
|
|
|
|
// Make ConsensusReactor
|
|
consensusReactor, consensusState := createConsensusReactor(
|
|
config, state, blockExec, blockStore, mempool, evidencePool,
|
|
privValidator, csMetrics, fastSync, eventBus, consensusLogger,
|
|
)
|
|
|
|
nodeInfo, err := makeNodeInfo(config, nodeKey, txIndexer, genDoc, state)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
// Setup Transport.
|
|
transport, peerFilters := createTransport(config, nodeInfo, nodeKey, proxyApp)
|
|
|
|
// Setup Switch.
|
|
p2pLogger := logger.With("module", "p2p")
|
|
sw := createSwitch(
|
|
config, transport, p2pMetrics, peerFilters, mempoolReactor, bcReactor,
|
|
consensusReactor, evidenceReactor, nodeInfo, nodeKey, p2pLogger,
|
|
)
|
|
|
|
err = sw.AddPersistentPeers(splitAndTrimEmpty(config.P2P.PersistentPeers, ",", " "))
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "could not add peers from persistent_peers field")
|
|
}
|
|
|
|
addrBook, err := createAddrBookAndSetOnSwitch(config, sw, p2pLogger, nodeKey)
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "could not create addrbook")
|
|
}
|
|
|
|
// Optionally, start the pex reactor
|
|
//
|
|
// TODO:
|
|
//
|
|
// We need to set Seeds and PersistentPeers on the switch,
|
|
// since it needs to be able to use these (and their DNS names)
|
|
// even if the PEX is off. We can include the DNS name in the NetAddress,
|
|
// but it would still be nice to have a clear list of the current "PersistentPeers"
|
|
// somewhere that we can return with net_info.
|
|
//
|
|
// If PEX is on, it should handle dialing the seeds. Otherwise the switch does it.
|
|
// Note we currently use the addrBook regardless at least for AddOurAddress
|
|
var pexReactor *pex.PEXReactor
|
|
if config.P2P.PexReactor {
|
|
pexReactor = createPEXReactorAndAddToSwitch(addrBook, config, sw, logger)
|
|
}
|
|
|
|
if config.ProfListenAddress != "" {
|
|
go func() {
|
|
logger.Error("Profile server", "err", http.ListenAndServe(config.ProfListenAddress, nil))
|
|
}()
|
|
}
|
|
|
|
node := &Node{
|
|
config: config,
|
|
genesisDoc: genDoc,
|
|
privValidator: privValidator,
|
|
|
|
transport: transport,
|
|
sw: sw,
|
|
addrBook: addrBook,
|
|
nodeInfo: nodeInfo,
|
|
nodeKey: nodeKey,
|
|
|
|
stateDB: stateDB,
|
|
blockStore: blockStore,
|
|
bcReactor: bcReactor,
|
|
mempoolReactor: mempoolReactor,
|
|
mempool: mempool,
|
|
consensusState: consensusState,
|
|
consensusReactor: consensusReactor,
|
|
pexReactor: pexReactor,
|
|
evidencePool: evidencePool,
|
|
proxyApp: proxyApp,
|
|
txIndexer: txIndexer,
|
|
indexerService: indexerService,
|
|
eventBus: eventBus,
|
|
}
|
|
node.BaseService = *cmn.NewBaseService(logger, "Node", node)
|
|
return node, nil
|
|
}
|
|
|
|
// OnStart starts the Node. It implements cmn.Service.
|
|
func (n *Node) 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))
|
|
}
|
|
|
|
// Add private IDs to addrbook to block those peers being added
|
|
n.addrBook.AddPrivateIDs(splitAndTrimEmpty(n.config.P2P.PrivatePeerIDs, ",", " "))
|
|
|
|
// Start the RPC server before the P2P server
|
|
// so we can eg. receive txs for the first block
|
|
if n.config.RPC.ListenAddress != "" {
|
|
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.
|
|
addr, err := p2p.NewNetAddressStringWithOptionalID(n.config.P2P.ListenAddress)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if err := n.transport.Listen(*addr); err != nil {
|
|
return err
|
|
}
|
|
|
|
n.isListening = true
|
|
|
|
if n.config.Mempool.WalEnabled() {
|
|
n.mempool.InitWAL() // no need to have the mempool wal during tests
|
|
}
|
|
|
|
// Start the switch (the P2P server).
|
|
err = n.sw.Start()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// Always connect to persistent peers
|
|
err = n.sw.DialPeersAsync(splitAndTrimEmpty(n.config.P2P.PersistentPeers, ",", " "))
|
|
if err != nil {
|
|
return errors.Wrap(err, "could not dial peers from persistent_peers field")
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// OnStop stops the Node. It implements cmn.Service.
|
|
func (n *Node) OnStop() {
|
|
n.BaseService.OnStop()
|
|
|
|
n.Logger.Info("Stopping Node")
|
|
|
|
// first stop the non-reactor services
|
|
n.eventBus.Stop()
|
|
n.indexerService.Stop()
|
|
|
|
// now stop the reactors
|
|
// TODO: gracefully disconnect from peers.
|
|
n.sw.Stop()
|
|
|
|
// stop mempool WAL
|
|
if n.config.Mempool.WalEnabled() {
|
|
n.mempool.CloseWAL()
|
|
}
|
|
|
|
if err := n.transport.Close(); err != nil {
|
|
n.Logger.Error("Error closing transport", "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.(cmn.Service); ok {
|
|
pvsc.Stop()
|
|
}
|
|
|
|
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)
|
|
}
|
|
}
|
|
}
|
|
|
|
// ConfigureRPC sets all variables in rpccore so they will serve
|
|
// rpc calls from this node
|
|
func (n *Node) ConfigureRPC() {
|
|
rpccore.SetStateDB(n.stateDB)
|
|
rpccore.SetBlockStore(n.blockStore)
|
|
rpccore.SetConsensusState(n.consensusState)
|
|
rpccore.SetMempool(n.mempool)
|
|
rpccore.SetEvidencePool(n.evidencePool)
|
|
rpccore.SetP2PPeers(n.sw)
|
|
rpccore.SetP2PTransport(n)
|
|
pubKey := n.privValidator.GetPubKey()
|
|
rpccore.SetPubKey(pubKey)
|
|
rpccore.SetGenesisDoc(n.genesisDoc)
|
|
rpccore.SetAddrBook(n.addrBook)
|
|
rpccore.SetProxyAppQuery(n.proxyApp.Query())
|
|
rpccore.SetTxIndexer(n.txIndexer)
|
|
rpccore.SetConsensusReactor(n.consensusReactor)
|
|
rpccore.SetEventBus(n.eventBus)
|
|
rpccore.SetLogger(n.Logger.With("module", "rpc"))
|
|
rpccore.SetConfig(*n.config.RPC)
|
|
}
|
|
|
|
func (n *Node) startRPC() ([]net.Listener, error) {
|
|
n.ConfigureRPC()
|
|
listenAddrs := splitAndTrimEmpty(n.config.RPC.ListenAddress, ",", " ")
|
|
coreCodec := amino.NewCodec()
|
|
ctypes.RegisterAmino(coreCodec)
|
|
|
|
if n.config.RPC.Unsafe {
|
|
rpccore.AddUnsafeRoutes()
|
|
}
|
|
|
|
// 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(rpccore.Routes, coreCodec,
|
|
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)
|
|
}
|
|
}))
|
|
wm.SetLogger(wmLogger)
|
|
mux.HandleFunc("/websocket", wm.WebsocketHandler)
|
|
rpcserver.RegisterRPCFuncs(mux, rpccore.Routes, coreCodec, rpcLogger)
|
|
|
|
config := rpcserver.DefaultConfig()
|
|
config.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 config.WriteTimeout <= n.config.RPC.TimeoutBroadcastTxCommit {
|
|
config.WriteTimeout = n.config.RPC.TimeoutBroadcastTxCommit + 1*time.Second
|
|
}
|
|
|
|
listener, err := rpcserver.Listen(
|
|
listenAddr,
|
|
config,
|
|
)
|
|
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 rpcserver.StartHTTPAndTLSServer(
|
|
listener,
|
|
rootHandler,
|
|
n.config.RPC.CertFile(),
|
|
n.config.RPC.KeyFile(),
|
|
rpcLogger,
|
|
config,
|
|
)
|
|
} else {
|
|
go rpcserver.StartHTTPServer(
|
|
listener,
|
|
rootHandler,
|
|
rpcLogger,
|
|
config,
|
|
)
|
|
}
|
|
|
|
listeners[i] = listener
|
|
}
|
|
|
|
// we expose a simplified api over grpc for convenience to app devs
|
|
grpcListenAddr := n.config.RPC.GRPCListenAddress
|
|
if grpcListenAddr != "" {
|
|
config := rpcserver.DefaultConfig()
|
|
config.MaxOpenConnections = n.config.RPC.MaxOpenConnections
|
|
listener, err := rpcserver.Listen(grpcListenAddr, config)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
go grpccore.StartGRPCServer(listener)
|
|
listeners = append(listeners, listener)
|
|
}
|
|
|
|
return listeners, nil
|
|
}
|
|
|
|
// startPrometheusServer starts a Prometheus HTTP server, listening for metrics
|
|
// collectors on addr.
|
|
func (n *Node) 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
|
|
}
|
|
|
|
// Switch returns the Node's Switch.
|
|
func (n *Node) Switch() *p2p.Switch {
|
|
return n.sw
|
|
}
|
|
|
|
// BlockStore returns the Node's BlockStore.
|
|
func (n *Node) BlockStore() *bc.BlockStore {
|
|
return n.blockStore
|
|
}
|
|
|
|
// ConsensusState returns the Node's ConsensusState.
|
|
func (n *Node) ConsensusState() *cs.ConsensusState {
|
|
return n.consensusState
|
|
}
|
|
|
|
// ConsensusReactor returns the Node's ConsensusReactor.
|
|
func (n *Node) ConsensusReactor() *cs.ConsensusReactor {
|
|
return n.consensusReactor
|
|
}
|
|
|
|
// MempoolReactor returns the Node's mempool reactor.
|
|
func (n *Node) MempoolReactor() *mempl.Reactor {
|
|
return n.mempoolReactor
|
|
}
|
|
|
|
// Mempool returns the Node's mempool.
|
|
func (n *Node) Mempool() mempl.Mempool {
|
|
return n.mempool
|
|
}
|
|
|
|
// PEXReactor returns the Node's PEXReactor. It returns nil if PEX is disabled.
|
|
func (n *Node) PEXReactor() *pex.PEXReactor {
|
|
return n.pexReactor
|
|
}
|
|
|
|
// EvidencePool returns the Node's EvidencePool.
|
|
func (n *Node) EvidencePool() *evidence.EvidencePool {
|
|
return n.evidencePool
|
|
}
|
|
|
|
// EventBus returns the Node's EventBus.
|
|
func (n *Node) EventBus() *types.EventBus {
|
|
return n.eventBus
|
|
}
|
|
|
|
// PrivValidator returns the Node's PrivValidator.
|
|
// XXX: for convenience only!
|
|
func (n *Node) PrivValidator() types.PrivValidator {
|
|
return n.privValidator
|
|
}
|
|
|
|
// GenesisDoc returns the Node's GenesisDoc.
|
|
func (n *Node) GenesisDoc() *types.GenesisDoc {
|
|
return n.genesisDoc
|
|
}
|
|
|
|
// ProxyApp returns the Node's AppConns, representing its connections to the ABCI application.
|
|
func (n *Node) ProxyApp() proxy.AppConns {
|
|
return n.proxyApp
|
|
}
|
|
|
|
// Config returns the Node's config.
|
|
func (n *Node) Config() *cfg.Config {
|
|
return n.config
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (n *Node) Listeners() []string {
|
|
return []string{
|
|
fmt.Sprintf("Listener(@%v)", n.config.P2P.ExternalAddress),
|
|
}
|
|
}
|
|
|
|
func (n *Node) IsListening() bool {
|
|
return n.isListening
|
|
}
|
|
|
|
// NodeInfo returns the Node's Info from the Switch.
|
|
func (n *Node) NodeInfo() p2p.NodeInfo {
|
|
return n.nodeInfo
|
|
}
|
|
|
|
func makeNodeInfo(
|
|
config *cfg.Config,
|
|
nodeKey *p2p.NodeKey,
|
|
txIndexer txindex.TxIndexer,
|
|
genDoc *types.GenesisDoc,
|
|
state sm.State,
|
|
) (p2p.NodeInfo, error) {
|
|
txIndexerStatus := "on"
|
|
if _, ok := txIndexer.(*null.TxIndex); ok {
|
|
txIndexerStatus = "off"
|
|
}
|
|
nodeInfo := p2p.DefaultNodeInfo{
|
|
ProtocolVersion: p2p.NewProtocolVersion(
|
|
version.P2PProtocol, // global
|
|
state.Version.Consensus.Block,
|
|
state.Version.Consensus.App,
|
|
),
|
|
ID_: nodeKey.ID(),
|
|
Network: genDoc.ChainID,
|
|
Version: version.TMCoreSemVer,
|
|
Channels: []byte{
|
|
bc.BlockchainChannel,
|
|
cs.StateChannel, cs.DataChannel, cs.VoteChannel, cs.VoteSetBitsChannel,
|
|
mempl.MempoolChannel,
|
|
evidence.EvidenceChannel,
|
|
},
|
|
Moniker: config.Moniker,
|
|
Other: p2p.DefaultNodeInfoOther{
|
|
TxIndex: txIndexerStatus,
|
|
RPCAddress: config.RPC.ListenAddress,
|
|
},
|
|
}
|
|
|
|
if config.P2P.PexReactor {
|
|
nodeInfo.Channels = append(nodeInfo.Channels, pex.PexChannel)
|
|
}
|
|
|
|
lAddr := config.P2P.ExternalAddress
|
|
|
|
if lAddr == "" {
|
|
lAddr = config.P2P.ListenAddress
|
|
}
|
|
|
|
nodeInfo.ListenAddr = lAddr
|
|
|
|
err := nodeInfo.Validate()
|
|
return nodeInfo, err
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
var (
|
|
genesisDocKey = []byte("genesisDoc")
|
|
)
|
|
|
|
// LoadStateFromDBOrGenesisDocProvider attempts to load the state from the
|
|
// database, or creates one using the given genesisDocProvider and persists the
|
|
// result to the database. On success this also returns the genesis doc loaded
|
|
// through the given provider.
|
|
func LoadStateFromDBOrGenesisDocProvider(stateDB dbm.DB, genesisDocProvider GenesisDocProvider) (sm.State, *types.GenesisDoc, error) {
|
|
// Get genesis doc
|
|
genDoc, err := loadGenesisDoc(stateDB)
|
|
if err != nil {
|
|
genDoc, err = genesisDocProvider()
|
|
if err != nil {
|
|
return sm.State{}, nil, err
|
|
}
|
|
// save genesis doc to prevent a certain class of user errors (e.g. when it
|
|
// was changed, accidentally or not). Also good for audit trail.
|
|
saveGenesisDoc(stateDB, genDoc)
|
|
}
|
|
state, err := sm.LoadStateFromDBOrGenesisDoc(stateDB, genDoc)
|
|
if err != nil {
|
|
return sm.State{}, nil, err
|
|
}
|
|
return state, genDoc, nil
|
|
}
|
|
|
|
// panics if failed to unmarshal bytes
|
|
func loadGenesisDoc(db dbm.DB) (*types.GenesisDoc, error) {
|
|
b := db.Get(genesisDocKey)
|
|
if len(b) == 0 {
|
|
return nil, errors.New("Genesis doc not found")
|
|
}
|
|
var genDoc *types.GenesisDoc
|
|
err := cdc.UnmarshalJSON(b, &genDoc)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("Failed to load genesis doc due to unmarshaling error: %v (bytes: %X)", err, b))
|
|
}
|
|
return genDoc, nil
|
|
}
|
|
|
|
// panics if failed to marshal the given genesis document
|
|
func saveGenesisDoc(db dbm.DB, genDoc *types.GenesisDoc) {
|
|
b, err := cdc.MarshalJSON(genDoc)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("Failed to save genesis doc due to marshaling error: %v", err))
|
|
}
|
|
db.SetSync(genesisDocKey, b)
|
|
}
|
|
|
|
func createAndStartPrivValidatorSocketClient(
|
|
listenAddr string,
|
|
logger log.Logger,
|
|
) (types.PrivValidator, error) {
|
|
var listener net.Listener
|
|
|
|
protocol, address := cmn.ProtocolAndAddress(listenAddr)
|
|
ln, err := net.Listen(protocol, address)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
switch protocol {
|
|
case "unix":
|
|
listener = privval.NewUnixListener(ln)
|
|
case "tcp":
|
|
// TODO: persist this key so external signer
|
|
// can actually authenticate us
|
|
listener = privval.NewTCPListener(ln, ed25519.GenPrivKey())
|
|
default:
|
|
return nil, fmt.Errorf(
|
|
"wrong listen address: expected either 'tcp' or 'unix' protocols, got %s",
|
|
protocol,
|
|
)
|
|
}
|
|
|
|
pvsc := privval.NewSignerValidatorEndpoint(logger.With("module", "privval"), listener)
|
|
if err := pvsc.Start(); err != nil {
|
|
return nil, errors.Wrap(err, "failed to start private validator")
|
|
}
|
|
|
|
return pvsc, nil
|
|
}
|
|
|
|
// splitAndTrimEmpty slices s into all subslices separated by sep and returns a
|
|
// slice of the string s with all leading and trailing Unicode code points
|
|
// contained in cutset removed. If sep is empty, SplitAndTrim splits after each
|
|
// UTF-8 sequence. First part is equivalent to strings.SplitN with a count of
|
|
// -1. also filter out empty strings, only return non-empty strings.
|
|
func splitAndTrimEmpty(s, sep, cutset string) []string {
|
|
if s == "" {
|
|
return []string{}
|
|
}
|
|
|
|
spl := strings.Split(s, sep)
|
|
nonEmptyStrings := make([]string, 0, len(spl))
|
|
for i := 0; i < len(spl); i++ {
|
|
element := strings.Trim(spl[i], cutset)
|
|
if element != "" {
|
|
nonEmptyStrings = append(nonEmptyStrings, element)
|
|
}
|
|
}
|
|
return nonEmptyStrings
|
|
}
|