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785 lines
24 KiB
785 lines
24 KiB
package node
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import (
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"bytes"
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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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"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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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/crypto/ed25519"
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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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bc "github.com/tendermint/tendermint/blockchain"
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cfg "github.com/tendermint/tendermint/config"
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cs "github.com/tendermint/tendermint/consensus"
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"github.com/tendermint/tendermint/evidence"
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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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rpc "github.com/tendermint/tendermint/rpc/lib"
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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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_ "net/http/pprof"
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"strings"
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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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return NewNode(config,
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privval.LoadOrGenFilePV(config.PrivValidatorFile()),
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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() (*cs.Metrics, *p2p.Metrics, *mempl.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() (*cs.Metrics, *p2p.Metrics, *mempl.Metrics) {
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if config.Prometheus {
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return cs.PrometheusMetrics(), p2p.PrometheusMetrics(), mempl.PrometheusMetrics()
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}
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return cs.NopMetrics(), p2p.NopMetrics(), mempl.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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sw *p2p.Switch // p2p connections
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addrBook pex.AddrBook // known peers
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nodeKey *p2p.NodeKey // our node privkey
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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.MempoolReactor // for gossipping transactions
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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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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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// NewNode returns a new, ready to go, Tendermint Node.
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func NewNode(config *cfg.Config,
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privValidator types.PrivValidator,
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nodeKey *p2p.NodeKey,
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clientCreator proxy.ClientCreator,
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genesisDocProvider GenesisDocProvider,
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dbProvider DBProvider,
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metricsProvider MetricsProvider,
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logger log.Logger) (*Node, error) {
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// Get BlockStore
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blockStoreDB, err := dbProvider(&DBContext{"blockstore", config})
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if err != nil {
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return nil, err
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}
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blockStore := bc.NewBlockStore(blockStoreDB)
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// Get State
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stateDB, err := dbProvider(&DBContext{"state", config})
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if err != nil {
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return nil, err
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}
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// Get genesis doc
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// TODO: move to state package?
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genDoc, err := loadGenesisDoc(stateDB)
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if err != nil {
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genDoc, err = genesisDocProvider()
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if err != nil {
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return nil, err
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}
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// save genesis doc to prevent a certain class of user errors (e.g. when it
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// was changed, accidentally or not). Also good for audit trail.
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saveGenesisDoc(stateDB, genDoc)
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}
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state, err := sm.LoadStateFromDBOrGenesisDoc(stateDB, genDoc)
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if err != nil {
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return nil, err
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}
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// Create the proxyApp, which manages connections (consensus, mempool, query)
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// and sync tendermint and the app by performing a handshake
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// and replaying any necessary blocks
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consensusLogger := logger.With("module", "consensus")
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handshaker := cs.NewHandshaker(stateDB, state, blockStore, genDoc)
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handshaker.SetLogger(consensusLogger)
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proxyApp := proxy.NewAppConns(clientCreator, handshaker)
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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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// reload the state (it may have been updated by the handshake)
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state = sm.LoadState(stateDB)
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// If an address is provided, listen on the socket for a
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// connection from an external signing process.
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if config.PrivValidatorListenAddr != "" {
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var (
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// TODO: persist this key so external signer
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// can actually authenticate us
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privKey = ed25519.GenPrivKey()
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pvsc = privval.NewSocketPV(
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logger.With("module", "privval"),
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config.PrivValidatorListenAddr,
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privKey,
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)
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)
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if err := pvsc.Start(); err != nil {
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return nil, fmt.Errorf("Error starting private validator client: %v", err)
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}
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privValidator = pvsc
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}
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// Decide whether to fast-sync or not
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// We don't fast-sync when the only validator is us.
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fastSync := config.FastSync
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if state.Validators.Size() == 1 {
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addr, _ := state.Validators.GetByIndex(0)
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if bytes.Equal(privValidator.GetAddress(), addr) {
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fastSync = false
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}
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}
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// Log whether this node is a validator or an observer
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if state.Validators.HasAddress(privValidator.GetAddress()) {
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consensusLogger.Info("This node is a validator", "addr", privValidator.GetAddress(), "pubKey", privValidator.GetPubKey())
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} else {
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consensusLogger.Info("This node is not a validator", "addr", privValidator.GetAddress(), "pubKey", privValidator.GetPubKey())
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}
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csMetrics, p2pMetrics, memplMetrics := metricsProvider()
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// Make MempoolReactor
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maxDataBytes := types.MaxDataBytesUnknownEvidence(
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state.ConsensusParams.BlockSize.MaxBytes,
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state.Validators.Size(),
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)
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mempool := mempl.NewMempool(
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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.WithFilter(func(tx types.Tx) bool { return len(tx) <= maxDataBytes }),
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)
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mempoolLogger := logger.With("module", "mempool")
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mempool.SetLogger(mempoolLogger)
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mempool.InitWAL() // no need to have the mempool wal during tests
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mempoolReactor := mempl.NewMempoolReactor(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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// Make Evidence Reactor
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evidenceDB, err := dbProvider(&DBContext{"evidence", config})
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if err != nil {
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return nil, err
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}
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evidenceLogger := logger.With("module", "evidence")
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evidenceStore := evidence.NewEvidenceStore(evidenceDB)
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evidencePool := evidence.NewEvidencePool(stateDB, evidenceStore)
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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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blockExecLogger := logger.With("module", "state")
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// make block executor for consensus and blockchain reactors to execute blocks
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blockExec := sm.NewBlockExecutor(stateDB, blockExecLogger, proxyApp.Consensus(), mempool, evidencePool)
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// Make BlockchainReactor
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bcReactor := bc.NewBlockchainReactor(state.Copy(), blockExec, blockStore, fastSync)
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bcReactor.SetLogger(logger.With("module", "blockchain"))
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// Make ConsensusReactor
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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.WithMetrics(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)
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consensusReactor.SetLogger(consensusLogger)
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p2pLogger := logger.With("module", "p2p")
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sw := p2p.NewSwitch(config.P2P, p2p.WithMetrics(p2pMetrics))
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sw.SetLogger(p2pLogger)
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sw.AddReactor("MEMPOOL", mempoolReactor)
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sw.AddReactor("BLOCKCHAIN", bcReactor)
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sw.AddReactor("CONSENSUS", consensusReactor)
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sw.AddReactor("EVIDENCE", evidenceReactor)
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p2pLogger.Info("P2P Node ID", "ID", nodeKey.ID(), "file", config.NodeKeyFile())
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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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addrBook := pex.NewAddrBook(config.P2P.AddrBookFile(), config.P2P.AddrBookStrict)
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addrBook.SetLogger(p2pLogger.With("book", config.P2P.AddrBookFile()))
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if config.P2P.PexReactor {
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// TODO persistent peers ? so we can have their DNS addrs saved
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pexReactor := pex.NewPEXReactor(addrBook,
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&pex.PEXReactorConfig{
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Seeds: splitAndTrimEmpty(config.P2P.Seeds, ",", " "),
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SeedMode: config.P2P.SeedMode,
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})
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pexReactor.SetLogger(p2pLogger)
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sw.AddReactor("PEX", pexReactor)
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}
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sw.SetAddrBook(addrBook)
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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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// XXX: Query format subject to change
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if config.FilterPeers {
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// NOTE: addr is ip:port
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sw.SetAddrFilter(func(addr net.Addr) error {
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resQuery, err := proxyApp.Query().QuerySync(abci.RequestQuery{Path: fmt.Sprintf("/p2p/filter/addr/%s", addr.String())})
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if err != nil {
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return err
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}
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if resQuery.IsErr() {
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return fmt.Errorf("Error querying abci app: %v", resQuery)
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}
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return nil
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})
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sw.SetIDFilter(func(id p2p.ID) error {
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resQuery, err := proxyApp.Query().QuerySync(abci.RequestQuery{Path: fmt.Sprintf("/p2p/filter/id/%s", id)})
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if err != nil {
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return err
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}
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if resQuery.IsErr() {
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return fmt.Errorf("Error querying abci app: %v", resQuery)
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}
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return nil
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})
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}
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eventBus := types.NewEventBus()
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eventBus.SetLogger(logger.With("module", "events"))
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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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// Transaction indexing
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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, 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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// run the profile server
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profileHost := config.ProfListenAddress
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if profileHost != "" {
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go func() {
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logger.Error("Profile server", "err", http.ListenAndServe(profileHost, nil))
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}()
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}
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node := &Node{
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config: config,
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genesisDoc: genDoc,
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privValidator: privValidator,
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sw: sw,
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addrBook: addrBook,
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nodeKey: nodeKey,
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stateDB: stateDB,
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blockStore: blockStore,
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bcReactor: bcReactor,
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mempoolReactor: mempoolReactor,
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consensusState: consensusState,
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consensusReactor: consensusReactor,
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evidencePool: evidencePool,
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proxyApp: proxyApp,
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txIndexer: txIndexer,
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indexerService: indexerService,
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eventBus: eventBus,
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}
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node.BaseService = *cmn.NewBaseService(logger, "Node", node)
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return node, nil
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}
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// OnStart starts the Node. It implements cmn.Service.
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func (n *Node) OnStart() error {
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now := tmtime.Now()
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genTime := n.genesisDoc.GenesisTime
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if genTime.After(now) {
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n.Logger.Info("Genesis time is in the future. Sleeping until then...", "genTime", genTime)
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time.Sleep(genTime.Sub(now))
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}
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err := n.eventBus.Start()
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if err != nil {
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return err
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}
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// Create & add listener
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l := p2p.NewDefaultListener(
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n.config.P2P.ListenAddress,
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n.config.P2P.ExternalAddress,
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n.config.P2P.UPNP,
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n.Logger.With("module", "p2p"))
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n.sw.AddListener(l)
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nodeInfo := n.makeNodeInfo(n.nodeKey.ID())
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n.sw.SetNodeInfo(nodeInfo)
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n.sw.SetNodeKey(n.nodeKey)
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// Add ourselves to addrbook to prevent dialing ourselves
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n.addrBook.AddOurAddress(nodeInfo.NetAddress())
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// Add private IDs to addrbook to block those peers being added
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n.addrBook.AddPrivateIDs(splitAndTrimEmpty(n.config.P2P.PrivatePeerIDs, ",", " "))
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// Start the RPC server before the P2P server
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// so we can eg. receive txs for the first block
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if n.config.RPC.ListenAddress != "" {
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listeners, err := n.startRPC()
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if err != nil {
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return err
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}
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n.rpcListeners = listeners
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}
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if n.config.Instrumentation.Prometheus &&
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n.config.Instrumentation.PrometheusListenAddr != "" {
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n.prometheusSrv = n.startPrometheusServer(n.config.Instrumentation.PrometheusListenAddr)
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}
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// Start the switch (the P2P server).
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err = n.sw.Start()
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if err != nil {
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return err
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}
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// Always connect to persistent peers
|
|
if n.config.P2P.PersistentPeers != "" {
|
|
err = n.sw.DialPeersAsync(n.addrBook, splitAndTrimEmpty(n.config.P2P.PersistentPeers, ",", " "), true)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// start tx indexer
|
|
return n.indexerService.Start()
|
|
}
|
|
|
|
// 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()
|
|
|
|
// 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.(*privval.SocketPV); ok {
|
|
if err := pvsc.Stop(); err != nil {
|
|
n.Logger.Error("Error stopping priv validator socket client", "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)
|
|
}
|
|
}
|
|
}
|
|
|
|
// RunForever waits for an interrupt signal and stops the node.
|
|
func (n *Node) RunForever() {
|
|
// Sleep forever and then...
|
|
cmn.TrapSignal(func() {
|
|
n.Stop()
|
|
})
|
|
}
|
|
|
|
// AddListener adds a listener to accept inbound peer connections.
|
|
// It should be called before starting the Node.
|
|
// The first listener is the primary listener (in NodeInfo)
|
|
func (n *Node) AddListener(l p2p.Listener) {
|
|
n.sw.AddListener(l)
|
|
}
|
|
|
|
// 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.mempoolReactor.Mempool)
|
|
rpccore.SetEvidencePool(n.evidencePool)
|
|
rpccore.SetSwitch(n.sw)
|
|
rpccore.SetPubKey(n.privValidator.GetPubKey())
|
|
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"))
|
|
}
|
|
|
|
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")
|
|
wm := rpcserver.NewWebsocketManager(rpccore.Routes, coreCodec, rpcserver.EventSubscriber(n.eventBus))
|
|
wm.SetLogger(rpcLogger.With("protocol", "websocket"))
|
|
mux.HandleFunc("/websocket", wm.WebsocketHandler)
|
|
rpcserver.RegisterRPCFuncs(mux, rpccore.Routes, coreCodec, rpcLogger)
|
|
listener, err := rpcserver.StartHTTPServer(
|
|
listenAddr,
|
|
mux,
|
|
rpcLogger,
|
|
rpcserver.Config{MaxOpenConnections: n.config.RPC.MaxOpenConnections},
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
listeners[i] = listener
|
|
}
|
|
|
|
// we expose a simplified api over grpc for convenience to app devs
|
|
grpcListenAddr := n.config.RPC.GRPCListenAddress
|
|
if grpcListenAddr != "" {
|
|
listener, err := grpccore.StartGRPCServer(
|
|
grpcListenAddr,
|
|
grpccore.Config{
|
|
MaxOpenConnections: n.config.RPC.GRPCMaxOpenConnections,
|
|
},
|
|
)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
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 MempoolReactor.
|
|
func (n *Node) MempoolReactor() *mempl.MempoolReactor {
|
|
return n.mempoolReactor
|
|
}
|
|
|
|
// 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
|
|
}
|
|
|
|
func (n *Node) makeNodeInfo(nodeID p2p.ID) p2p.NodeInfo {
|
|
txIndexerStatus := "on"
|
|
if _, ok := n.txIndexer.(*null.TxIndex); ok {
|
|
txIndexerStatus = "off"
|
|
}
|
|
nodeInfo := p2p.NodeInfo{
|
|
ID: nodeID,
|
|
Network: n.genesisDoc.ChainID,
|
|
Version: version.Version,
|
|
Channels: []byte{
|
|
bc.BlockchainChannel,
|
|
cs.StateChannel, cs.DataChannel, cs.VoteChannel, cs.VoteSetBitsChannel,
|
|
mempl.MempoolChannel,
|
|
evidence.EvidenceChannel,
|
|
},
|
|
Moniker: n.config.Moniker,
|
|
Other: p2p.NodeInfoOther{
|
|
AminoVersion: amino.Version,
|
|
P2PVersion: p2p.Version,
|
|
ConsensusVersion: cs.Version,
|
|
RPCVersion: fmt.Sprintf("%v/%v", rpc.Version, rpccore.Version),
|
|
TxIndex: txIndexerStatus,
|
|
},
|
|
}
|
|
|
|
if n.config.P2P.PexReactor {
|
|
nodeInfo.Channels = append(nodeInfo.Channels, pex.PexChannel)
|
|
}
|
|
|
|
rpcListenAddr := n.config.RPC.ListenAddress
|
|
nodeInfo.Other.RPCAddress = rpcListenAddr
|
|
|
|
if !n.sw.IsListening() {
|
|
return nodeInfo
|
|
}
|
|
|
|
p2pListener := n.sw.Listeners()[0]
|
|
p2pHost := p2pListener.ExternalAddressHost()
|
|
p2pPort := p2pListener.ExternalAddress().Port
|
|
nodeInfo.ListenAddr = fmt.Sprintf("%v:%v", p2pHost, p2pPort)
|
|
|
|
return nodeInfo
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
// NodeInfo returns the Node's Info from the Switch.
|
|
func (n *Node) NodeInfo() p2p.NodeInfo {
|
|
return n.sw.NodeInfo()
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
var (
|
|
genesisDocKey = []byte("genesisDoc")
|
|
)
|
|
|
|
// panics if failed to unmarshal bytes
|
|
func loadGenesisDoc(db dbm.DB) (*types.GenesisDoc, error) {
|
|
bytes := db.Get(genesisDocKey)
|
|
if len(bytes) == 0 {
|
|
return nil, errors.New("Genesis doc not found")
|
|
}
|
|
var genDoc *types.GenesisDoc
|
|
err := cdc.UnmarshalJSON(bytes, &genDoc)
|
|
if err != nil {
|
|
cmn.PanicCrisis(fmt.Sprintf("Failed to load genesis doc due to unmarshaling error: %v (bytes: %X)", err, bytes))
|
|
}
|
|
return genDoc, nil
|
|
}
|
|
|
|
// panics if failed to marshal the given genesis document
|
|
func saveGenesisDoc(db dbm.DB, genDoc *types.GenesisDoc) {
|
|
bytes, err := cdc.MarshalJSON(genDoc)
|
|
if err != nil {
|
|
cmn.PanicCrisis(fmt.Sprintf("Failed to save genesis doc due to marshaling error: %v", err))
|
|
}
|
|
db.SetSync(genesisDocKey, bytes)
|
|
}
|
|
|
|
// 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
|
|
}
|