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package node
import (
"bytes"
"context"
"errors"
"fmt"
"math"
"net"
"time"
dbm "github.com/tendermint/tm-db"
abciclient "github.com/tendermint/tendermint/abci/client"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/config"
"github.com/tendermint/tendermint/crypto"
bcv0 "github.com/tendermint/tendermint/internal/blocksync/v0"
bcv2 "github.com/tendermint/tendermint/internal/blocksync/v2"
"github.com/tendermint/tendermint/internal/consensus"
"github.com/tendermint/tendermint/internal/evidence"
"github.com/tendermint/tendermint/internal/mempool"
mempoolv0 "github.com/tendermint/tendermint/internal/mempool/v0"
mempoolv1 "github.com/tendermint/tendermint/internal/mempool/v1"
"github.com/tendermint/tendermint/internal/p2p"
"github.com/tendermint/tendermint/internal/p2p/pex"
"github.com/tendermint/tendermint/internal/proxy"
sm "github.com/tendermint/tendermint/internal/state"
"github.com/tendermint/tendermint/internal/state/indexer"
"github.com/tendermint/tendermint/internal/state/indexer/sink"
"github.com/tendermint/tendermint/internal/statesync"
"github.com/tendermint/tendermint/internal/store"
"github.com/tendermint/tendermint/libs/log"
"github.com/tendermint/tendermint/libs/service"
tmstrings "github.com/tendermint/tendermint/libs/strings"
protop2p "github.com/tendermint/tendermint/proto/tendermint/p2p"
"github.com/tendermint/tendermint/types"
"github.com/tendermint/tendermint/version"
_ "net/http/pprof" // nolint: gosec // securely exposed on separate, optional port
)
func initDBs(cfg *config.Config, dbProvider config.DBProvider) (blockStore *store.BlockStore, stateDB dbm.DB, err error) { //nolint:lll
var blockStoreDB dbm.DB
blockStoreDB, err = dbProvider(&config.DBContext{ID: "blockstore", Config: cfg})
if err != nil {
return nil, nil, fmt.Errorf("unable to initialize blockstore: %w", err)
}
blockStore = store.NewBlockStore(blockStoreDB)
stateDB, err = dbProvider(&config.DBContext{ID: "state", Config: cfg})
if err != nil {
return nil, nil, fmt.Errorf("unable to initialize statestore: %w", err)
}
return blockStore, stateDB, nil
}
// nolint:lll
func createAndStartProxyAppConns(clientCreator abciclient.Creator, logger log.Logger, metrics *proxy.Metrics) (proxy.AppConns, error) {
proxyApp := proxy.NewAppConns(clientCreator, metrics)
proxyApp.SetLogger(logger.With("module", "proxy"))
if err := proxyApp.Start(); err != nil {
return nil, fmt.Errorf("error starting proxy app connections: %v", err)
}
return proxyApp, nil
}
func createAndStartEventBus(logger log.Logger) (*types.EventBus, error) {
eventBus := types.NewEventBus()
eventBus.SetLogger(logger.With("module", "events"))
if err := eventBus.Start(); err != nil {
return nil, err
}
return eventBus, nil
}
func createAndStartIndexerService(
cfg *config.Config,
dbProvider config.DBProvider,
eventBus *types.EventBus,
logger log.Logger,
chainID string,
metrics *indexer.Metrics,
) (*indexer.Service, []indexer.EventSink, error) {
eventSinks, err := sink.EventSinksFromConfig(cfg, dbProvider, chainID)
if err != nil {
return nil, nil, err
}
indexerService := indexer.NewService(indexer.ServiceArgs{
Sinks: eventSinks,
EventBus: eventBus,
Logger: logger.With("module", "txindex"),
Metrics: metrics,
})
if err := indexerService.Start(); err != nil {
return nil, nil, err
}
return indexerService, eventSinks, nil
}
func doHandshake(
stateStore sm.Store,
state sm.State,
blockStore sm.BlockStore,
genDoc *types.GenesisDoc,
eventBus types.BlockEventPublisher,
proxyApp proxy.AppConns,
consensusLogger log.Logger) error {
handshaker := consensus.NewHandshaker(stateStore, state, blockStore, genDoc)
handshaker.SetLogger(consensusLogger)
handshaker.SetEventBus(eventBus)
if err := handshaker.Handshake(proxyApp); err != nil {
return fmt.Errorf("error during handshake: %v", err)
}
return nil
}
func logNodeStartupInfo(state sm.State, pubKey crypto.PubKey, logger, consensusLogger log.Logger, mode string) {
// Log the version info.
logger.Info("Version info",
"tmVersion", version.TMVersion,
"block", version.BlockProtocol,
"p2p", version.P2PProtocol,
"mode", mode,
)
// If the state and software differ in block version, at least log it.
if state.Version.Consensus.Block != version.BlockProtocol {
logger.Info("Software and state have different block protocols",
"software", version.BlockProtocol,
"state", state.Version.Consensus.Block,
)
}
switch {
case mode == config.ModeFull:
consensusLogger.Info("This node is a fullnode")
case mode == config.ModeValidator:
addr := pubKey.Address()
// Log whether this node is a validator or an observer
if state.Validators.HasAddress(addr) {
consensusLogger.Info("This node is a validator", "addr", addr, "pubKey", pubKey.Bytes())
} else {
consensusLogger.Info("This node is a validator (NOT in the active validator set)",
"addr", addr, "pubKey", pubKey.Bytes())
}
}
}
func onlyValidatorIsUs(state sm.State, pubKey crypto.PubKey) bool {
if state.Validators.Size() > 1 {
return false
}
addr, _ := state.Validators.GetByIndex(0)
return pubKey != nil && bytes.Equal(pubKey.Address(), addr)
}
func createMempoolReactor(
cfg *config.Config,
proxyApp proxy.AppConns,
state sm.State,
memplMetrics *mempool.Metrics,
peerManager *p2p.PeerManager,
router *p2p.Router,
logger log.Logger,
) (*p2p.ReactorShim, service.Service, mempool.Mempool, error) {
logger = logger.With("module", "mempool", "version", cfg.Mempool.Version)
channelShims := mempoolv0.GetChannelShims(cfg.Mempool)
reactorShim := p2p.NewReactorShim(logger, "MempoolShim", channelShims)
var (
channels map[p2p.ChannelID]*p2p.Channel
peerUpdates *p2p.PeerUpdates
)
if cfg.P2P.UseLegacy {
channels = getChannelsFromShim(reactorShim)
peerUpdates = reactorShim.PeerUpdates
} else {
channels = makeChannelsFromShims(router, channelShims)
peerUpdates = peerManager.Subscribe()
}
switch cfg.Mempool.Version {
case config.MempoolV0:
mp := mempoolv0.NewCListMempool(
cfg.Mempool,
proxyApp.Mempool(),
state.LastBlockHeight,
mempoolv0.WithMetrics(memplMetrics),
mempoolv0.WithPreCheck(sm.TxPreCheck(state)),
mempoolv0.WithPostCheck(sm.TxPostCheck(state)),
)
mp.SetLogger(logger)
reactor := mempoolv0.NewReactor(
logger,
cfg.Mempool,
peerManager,
mp,
channels[mempool.MempoolChannel],
peerUpdates,
)
if cfg.Consensus.WaitForTxs() {
mp.EnableTxsAvailable()
}
return reactorShim, reactor, mp, nil
case config.MempoolV1:
mp := mempoolv1.NewTxMempool(
logger,
cfg.Mempool,
proxyApp.Mempool(),
state.LastBlockHeight,
mempoolv1.WithMetrics(memplMetrics),
mempoolv1.WithPreCheck(sm.TxPreCheck(state)),
mempoolv1.WithPostCheck(sm.TxPostCheck(state)),
)
reactor := mempoolv1.NewReactor(
logger,
cfg.Mempool,
peerManager,
mp,
channels[mempool.MempoolChannel],
peerUpdates,
)
if cfg.Consensus.WaitForTxs() {
mp.EnableTxsAvailable()
}
return reactorShim, reactor, mp, nil
default:
return nil, nil, nil, fmt.Errorf("unknown mempool version: %s", cfg.Mempool.Version)
}
}
func createEvidenceReactor(
cfg *config.Config,
dbProvider config.DBProvider,
stateDB dbm.DB,
blockStore *store.BlockStore,
peerManager *p2p.PeerManager,
router *p2p.Router,
logger log.Logger,
) (*p2p.ReactorShim, *evidence.Reactor, *evidence.Pool, error) {
evidenceDB, err := dbProvider(&config.DBContext{ID: "evidence", Config: cfg})
if err != nil {
return nil, nil, nil, fmt.Errorf("unable to initialize evidence db: %w", err)
}
logger = logger.With("module", "evidence")
reactorShim := p2p.NewReactorShim(logger, "EvidenceShim", evidence.ChannelShims)
evidencePool, err := evidence.NewPool(logger, evidenceDB, sm.NewStore(stateDB), blockStore)
if err != nil {
return nil, nil, nil, fmt.Errorf("creating evidence pool: %w", err)
}
var (
channels map[p2p.ChannelID]*p2p.Channel
peerUpdates *p2p.PeerUpdates
)
if cfg.P2P.UseLegacy {
channels = getChannelsFromShim(reactorShim)
peerUpdates = reactorShim.PeerUpdates
} else {
channels = makeChannelsFromShims(router, evidence.ChannelShims)
peerUpdates = peerManager.Subscribe()
}
evidenceReactor := evidence.NewReactor(
logger,
channels[evidence.EvidenceChannel],
peerUpdates,
evidencePool,
)
return reactorShim, evidenceReactor, evidencePool, nil
}
func createBlockchainReactor(
logger log.Logger,
cfg *config.Config,
state sm.State,
blockExec *sm.BlockExecutor,
blockStore *store.BlockStore,
csReactor *consensus.Reactor,
peerManager *p2p.PeerManager,
router *p2p.Router,
blockSync bool,
metrics *consensus.Metrics,
) (*p2p.ReactorShim, service.Service, error) {
logger = logger.With("module", "blockchain")
switch cfg.BlockSync.Version {
case config.BlockSyncV0:
reactorShim := p2p.NewReactorShim(logger, "BlockchainShim", bcv0.ChannelShims)
var (
channels map[p2p.ChannelID]*p2p.Channel
peerUpdates *p2p.PeerUpdates
)
if cfg.P2P.UseLegacy {
channels = getChannelsFromShim(reactorShim)
peerUpdates = reactorShim.PeerUpdates
} else {
channels = makeChannelsFromShims(router, bcv0.ChannelShims)
peerUpdates = peerManager.Subscribe()
}
reactor, err := bcv0.NewReactor(
logger, state.Copy(), blockExec, blockStore, csReactor,
channels[bcv0.BlockSyncChannel], peerUpdates, blockSync,
metrics,
)
if err != nil {
return nil, nil, err
}
return reactorShim, reactor, nil
case config.BlockSyncV2:
return nil, nil, errors.New("block sync version v2 is no longer supported. Please use v0")
default:
return nil, nil, fmt.Errorf("unknown block sync version %s", cfg.BlockSync.Version)
}
}
func createConsensusReactor(
cfg *config.Config,
state sm.State,
blockExec *sm.BlockExecutor,
blockStore sm.BlockStore,
mp mempool.Mempool,
evidencePool *evidence.Pool,
privValidator types.PrivValidator,
csMetrics *consensus.Metrics,
waitSync bool,
eventBus *types.EventBus,
peerManager *p2p.PeerManager,
router *p2p.Router,
logger log.Logger,
) (*p2p.ReactorShim, *consensus.Reactor, *consensus.State) {
consensusState := consensus.NewState(
cfg.Consensus,
state.Copy(),
blockExec,
blockStore,
mp,
evidencePool,
consensus.StateMetrics(csMetrics),
)
consensusState.SetLogger(logger)
if privValidator != nil && cfg.Mode == config.ModeValidator {
consensusState.SetPrivValidator(privValidator)
}
reactorShim := p2p.NewReactorShim(logger, "ConsensusShim", consensus.ChannelShims)
var (
channels map[p2p.ChannelID]*p2p.Channel
peerUpdates *p2p.PeerUpdates
)
if cfg.P2P.UseLegacy {
channels = getChannelsFromShim(reactorShim)
peerUpdates = reactorShim.PeerUpdates
} else {
channels = makeChannelsFromShims(router, consensus.ChannelShims)
peerUpdates = peerManager.Subscribe()
}
reactor := consensus.NewReactor(
logger,
consensusState,
channels[consensus.StateChannel],
channels[consensus.DataChannel],
channels[consensus.VoteChannel],
channels[consensus.VoteSetBitsChannel],
peerUpdates,
waitSync,
consensus.ReactorMetrics(csMetrics),
)
// Services which will be publishing and/or subscribing for messages (events)
// consensusReactor will set it on consensusState and blockExecutor.
reactor.SetEventBus(eventBus)
return reactorShim, reactor, consensusState
}
func createTransport(logger log.Logger, cfg *config.Config) *p2p.MConnTransport {
return p2p.NewMConnTransport(
logger, p2p.MConnConfig(cfg.P2P), []*p2p.ChannelDescriptor{},
p2p.MConnTransportOptions{
MaxAcceptedConnections: uint32(cfg.P2P.MaxNumInboundPeers +
len(tmstrings.SplitAndTrimEmpty(cfg.P2P.UnconditionalPeerIDs, ",", " ")),
),
},
)
}
func createPeerManager(
cfg *config.Config,
dbProvider config.DBProvider,
p2pLogger log.Logger,
nodeID types.NodeID,
) (*p2p.PeerManager, error) {
selfAddr, err := p2p.ParseNodeAddress(nodeID.AddressString(cfg.P2P.ExternalAddress))
if err != nil {
return nil, fmt.Errorf("couldn't parse ExternalAddress %q: %w", cfg.P2P.ExternalAddress, err)
}
var maxConns uint16
switch {
case cfg.P2P.MaxConnections > 0:
maxConns = cfg.P2P.MaxConnections
case cfg.P2P.MaxNumInboundPeers > 0 && cfg.P2P.MaxNumOutboundPeers > 0:
x := cfg.P2P.MaxNumInboundPeers + cfg.P2P.MaxNumOutboundPeers
if x > math.MaxUint16 {
return nil, fmt.Errorf(
"max inbound peers (%d) + max outbound peers (%d) exceeds maximum (%d)",
cfg.P2P.MaxNumInboundPeers,
cfg.P2P.MaxNumOutboundPeers,
math.MaxUint16,
)
}
maxConns = uint16(x)
default:
maxConns = 64
}
privatePeerIDs := make(map[types.NodeID]struct{})
for _, id := range tmstrings.SplitAndTrimEmpty(cfg.P2P.PrivatePeerIDs, ",", " ") {
privatePeerIDs[types.NodeID(id)] = struct{}{}
}
options := p2p.PeerManagerOptions{
SelfAddress: selfAddr,
MaxConnected: maxConns,
MaxConnectedUpgrade: 4,
MaxPeers: 1000,
MinRetryTime: 100 * time.Millisecond,
MaxRetryTime: 8 * time.Hour,
MaxRetryTimePersistent: 5 * time.Minute,
RetryTimeJitter: 3 * time.Second,
PrivatePeers: privatePeerIDs,
}
peers := []p2p.NodeAddress{}
for _, p := range tmstrings.SplitAndTrimEmpty(cfg.P2P.PersistentPeers, ",", " ") {
address, err := p2p.ParseNodeAddress(p)
if err != nil {
return nil, fmt.Errorf("invalid peer address %q: %w", p, err)
}
peers = append(peers, address)
options.PersistentPeers = append(options.PersistentPeers, address.NodeID)
}
for _, p := range tmstrings.SplitAndTrimEmpty(cfg.P2P.BootstrapPeers, ",", " ") {
address, err := p2p.ParseNodeAddress(p)
if err != nil {
return nil, fmt.Errorf("invalid peer address %q: %w", p, err)
}
peers = append(peers, address)
}
peerDB, err := dbProvider(&config.DBContext{ID: "peerstore", Config: cfg})
if err != nil {
return nil, fmt.Errorf("unable to initialize peer store: %w", err)
}
peerManager, err := p2p.NewPeerManager(nodeID, peerDB, options)
if err != nil {
return nil, fmt.Errorf("failed to create peer manager: %w", err)
}
for _, peer := range peers {
if _, err := peerManager.Add(peer); err != nil {
return nil, fmt.Errorf("failed to add peer %q: %w", peer, err)
}
}
return peerManager, nil
}
func createRouter(
p2pLogger log.Logger,
p2pMetrics *p2p.Metrics,
nodeInfo types.NodeInfo,
privKey crypto.PrivKey,
peerManager *p2p.PeerManager,
transport p2p.Transport,
options p2p.RouterOptions,
) (*p2p.Router, error) {
return p2p.NewRouter(
p2pLogger,
p2pMetrics,
nodeInfo,
privKey,
peerManager,
[]p2p.Transport{transport},
options,
)
}
func createSwitch(
cfg *config.Config,
transport p2p.Transport,
p2pMetrics *p2p.Metrics,
mempoolReactor *p2p.ReactorShim,
bcReactor p2p.Reactor,
stateSyncReactor *p2p.ReactorShim,
consensusReactor *p2p.ReactorShim,
evidenceReactor *p2p.ReactorShim,
proxyApp proxy.AppConns,
nodeInfo types.NodeInfo,
nodeKey types.NodeKey,
p2pLogger log.Logger,
) *p2p.Switch {
var (
connFilters = []p2p.ConnFilterFunc{}
peerFilters = []p2p.PeerFilterFunc{}
)
if !cfg.P2P.AllowDuplicateIP {
connFilters = append(connFilters, p2p.ConnDuplicateIPFilter)
}
// Filter peers by addr or pubkey with an ABCI query.
// If the query return code is OK, add peer.
if cfg.FilterPeers {
connFilters = append(
connFilters,
// ABCI query for address filtering.
func(_ p2p.ConnSet, c net.Conn, _ []net.IP) error {
res, err := proxyApp.Query().QuerySync(context.Background(), abci.RequestQuery{
Path: fmt.Sprintf("/p2p/filter/addr/%s", c.RemoteAddr().String()),
})
if err != nil {
return err
}
if res.IsErr() {
return fmt.Errorf("error querying abci app: %v", res)
}
return nil
},
)
peerFilters = append(
peerFilters,
// ABCI query for ID filtering.
func(_ p2p.IPeerSet, p p2p.Peer) error {
res, err := proxyApp.Query().QuerySync(context.Background(), abci.RequestQuery{
Path: fmt.Sprintf("/p2p/filter/id/%s", p.ID()),
})
if err != nil {
return err
}
if res.IsErr() {
return fmt.Errorf("error querying abci app: %v", res)
}
return nil
},
)
}
sw := p2p.NewSwitch(
cfg.P2P,
transport,
p2p.WithMetrics(p2pMetrics),
p2p.SwitchPeerFilters(peerFilters...),
p2p.SwitchConnFilters(connFilters...),
)
sw.SetLogger(p2pLogger)
if cfg.Mode != config.ModeSeed {
sw.AddReactor("MEMPOOL", mempoolReactor)
sw.AddReactor("BLOCKCHAIN", bcReactor)
sw.AddReactor("CONSENSUS", consensusReactor)
sw.AddReactor("EVIDENCE", evidenceReactor)
sw.AddReactor("STATESYNC", stateSyncReactor)
}
sw.SetNodeInfo(nodeInfo)
sw.SetNodeKey(nodeKey)
p2pLogger.Info("P2P Node ID", "ID", nodeKey.ID, "file", cfg.NodeKeyFile())
return sw
}
func createAddrBookAndSetOnSwitch(cfg *config.Config, sw *p2p.Switch,
p2pLogger log.Logger, nodeKey types.NodeKey) (pex.AddrBook, error) {
addrBook := pex.NewAddrBook(cfg.P2P.AddrBookFile(), cfg.P2P.AddrBookStrict)
addrBook.SetLogger(p2pLogger.With("book", cfg.P2P.AddrBookFile()))
// Add ourselves to addrbook to prevent dialing ourselves
if cfg.P2P.ExternalAddress != "" {
addr, err := types.NewNetAddressString(nodeKey.ID.AddressString(cfg.P2P.ExternalAddress))
if err != nil {
return nil, fmt.Errorf("p2p.external_address is incorrect: %w", err)
}
addrBook.AddOurAddress(addr)
}
if cfg.P2P.ListenAddress != "" {
addr, err := types.NewNetAddressString(nodeKey.ID.AddressString(cfg.P2P.ListenAddress))
if err != nil {
return nil, fmt.Errorf("p2p.laddr is incorrect: %w", err)
}
addrBook.AddOurAddress(addr)
}
sw.SetAddrBook(addrBook)
return addrBook, nil
}
func createPEXReactorAndAddToSwitch(addrBook pex.AddrBook, cfg *config.Config,
sw *p2p.Switch, logger log.Logger) *pex.Reactor {
reactorConfig := &pex.ReactorConfig{
Seeds: tmstrings.SplitAndTrimEmpty(cfg.P2P.Seeds, ",", " "), //nolint: staticcheck
SeedMode: cfg.Mode == config.ModeSeed,
// 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,
PersistentPeersMaxDialPeriod: cfg.P2P.PersistentPeersMaxDialPeriod,
}
// TODO persistent peers ? so we can have their DNS addrs saved
pexReactor := pex.NewReactor(addrBook, reactorConfig)
pexReactor.SetLogger(logger.With("module", "pex"))
sw.AddReactor("PEX", pexReactor)
return pexReactor
}
func createPEXReactorV2(
cfg *config.Config,
logger log.Logger,
peerManager *p2p.PeerManager,
router *p2p.Router,
) (service.Service, error) {
channel, err := router.OpenChannel(pex.ChannelDescriptor(), &protop2p.PexMessage{}, 128)
if err != nil {
return nil, err
}
peerUpdates := peerManager.Subscribe()
return pex.NewReactorV2(logger, peerManager, channel, peerUpdates), nil
}
func makeNodeInfo(
cfg *config.Config,
nodeKey types.NodeKey,
eventSinks []indexer.EventSink,
genDoc *types.GenesisDoc,
state sm.State,
) (types.NodeInfo, error) {
txIndexerStatus := "off"
if indexer.IndexingEnabled(eventSinks) {
txIndexerStatus = "on"
}
var bcChannel byte
switch cfg.BlockSync.Version {
case config.BlockSyncV0:
bcChannel = byte(bcv0.BlockSyncChannel)
case config.BlockSyncV2:
bcChannel = bcv2.BlockchainChannel
default:
return types.NodeInfo{}, fmt.Errorf("unknown blocksync version %s", cfg.BlockSync.Version)
}
nodeInfo := types.NodeInfo{
ProtocolVersion: types.ProtocolVersion{
P2P: version.P2PProtocol, // global
Block: state.Version.Consensus.Block,
App: state.Version.Consensus.App,
},
NodeID: nodeKey.ID,
Network: genDoc.ChainID,
Version: version.TMVersion,
Channels: []byte{
bcChannel,
byte(consensus.StateChannel),
byte(consensus.DataChannel),
byte(consensus.VoteChannel),
byte(consensus.VoteSetBitsChannel),
byte(mempool.MempoolChannel),
byte(evidence.EvidenceChannel),
byte(statesync.SnapshotChannel),
byte(statesync.ChunkChannel),
byte(statesync.LightBlockChannel),
byte(statesync.ParamsChannel),
},
Moniker: cfg.Moniker,
Other: types.NodeInfoOther{
TxIndex: txIndexerStatus,
RPCAddress: cfg.RPC.ListenAddress,
},
}
if cfg.P2P.PexReactor {
nodeInfo.Channels = append(nodeInfo.Channels, pex.PexChannel)
}
lAddr := cfg.P2P.ExternalAddress
if lAddr == "" {
lAddr = cfg.P2P.ListenAddress
}
nodeInfo.ListenAddr = lAddr
err := nodeInfo.Validate()
return nodeInfo, err
}
func makeSeedNodeInfo(
cfg *config.Config,
nodeKey types.NodeKey,
genDoc *types.GenesisDoc,
state sm.State,
) (types.NodeInfo, error) {
nodeInfo := types.NodeInfo{
ProtocolVersion: types.ProtocolVersion{
P2P: version.P2PProtocol, // global
Block: state.Version.Consensus.Block,
App: state.Version.Consensus.App,
},
NodeID: nodeKey.ID,
Network: genDoc.ChainID,
Version: version.TMVersion,
Channels: []byte{},
Moniker: cfg.Moniker,
Other: types.NodeInfoOther{
TxIndex: "off",
RPCAddress: cfg.RPC.ListenAddress,
},
}
if cfg.P2P.PexReactor {
nodeInfo.Channels = append(nodeInfo.Channels, pex.PexChannel)
}
lAddr := cfg.P2P.ExternalAddress
if lAddr == "" {
lAddr = cfg.P2P.ListenAddress
}
nodeInfo.ListenAddr = lAddr
err := nodeInfo.Validate()
return nodeInfo, err
}