You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
433 lines
13 KiB
433 lines
13 KiB
package node
|
|
|
|
import (
|
|
"bytes"
|
|
"errors"
|
|
"net"
|
|
"net/http"
|
|
"strings"
|
|
|
|
"github.com/spf13/viper"
|
|
|
|
abci "github.com/tendermint/abci/types"
|
|
crypto "github.com/tendermint/go-crypto"
|
|
wire "github.com/tendermint/go-wire"
|
|
bc "github.com/tendermint/tendermint/blockchain"
|
|
"github.com/tendermint/tendermint/consensus"
|
|
mempl "github.com/tendermint/tendermint/mempool"
|
|
p2p "github.com/tendermint/tendermint/p2p"
|
|
"github.com/tendermint/tendermint/proxy"
|
|
rpc "github.com/tendermint/tendermint/rpc"
|
|
rpcserver "github.com/tendermint/tendermint/rpc/server"
|
|
rpccore "github.com/tendermint/tendermint/rpc/tendermint/core"
|
|
grpccore "github.com/tendermint/tendermint/rpc/tendermint/grpc"
|
|
sm "github.com/tendermint/tendermint/state"
|
|
"github.com/tendermint/tendermint/state/txindex"
|
|
"github.com/tendermint/tendermint/state/txindex/kv"
|
|
"github.com/tendermint/tendermint/state/txindex/null"
|
|
"github.com/tendermint/tendermint/types"
|
|
"github.com/tendermint/tendermint/version"
|
|
cmn "github.com/tendermint/tmlibs/common"
|
|
dbm "github.com/tendermint/tmlibs/db"
|
|
|
|
_ "net/http/pprof"
|
|
)
|
|
|
|
type Node struct {
|
|
cmn.BaseService
|
|
|
|
// config
|
|
config *viper.Viper // user config
|
|
genesisDoc *types.GenesisDoc // initial validator set
|
|
privValidator *types.PrivValidator // local node's validator key
|
|
|
|
// network
|
|
privKey crypto.PrivKeyEd25519 // local node's p2p key
|
|
sw *p2p.Switch // p2p connections
|
|
addrBook *p2p.AddrBook // known peers
|
|
|
|
// services
|
|
evsw types.EventSwitch // pub/sub for services
|
|
blockStore *bc.BlockStore // store the blockchain to disk
|
|
bcReactor *bc.BlockchainReactor // for fast-syncing
|
|
mempoolReactor *mempl.MempoolReactor // for gossipping transactions
|
|
consensusState *consensus.ConsensusState // latest consensus state
|
|
consensusReactor *consensus.ConsensusReactor // for participating in the consensus
|
|
proxyApp proxy.AppConns // connection to the application
|
|
rpcListeners []net.Listener // rpc servers
|
|
txIndexer txindex.TxIndexer
|
|
}
|
|
|
|
func NewNodeDefault(config *viper.Viper) *Node {
|
|
// Get PrivValidator
|
|
privValidatorFile := config.GetString("priv_validator_file")
|
|
privValidator := types.LoadOrGenPrivValidator(privValidatorFile)
|
|
return NewNode(config, privValidator, proxy.DefaultClientCreator(config))
|
|
}
|
|
|
|
func NewNode(config *viper.Viper, privValidator *types.PrivValidator, clientCreator proxy.ClientCreator) *Node {
|
|
|
|
// Get BlockStore
|
|
blockStoreDB := dbm.NewDB("blockstore", config.GetString("db_backend"), config.GetString("db_dir"))
|
|
blockStore := bc.NewBlockStore(blockStoreDB)
|
|
|
|
// Get State
|
|
stateDB := dbm.NewDB("state", config.GetString("db_backend"), config.GetString("db_dir"))
|
|
state := sm.GetState(config, stateDB)
|
|
|
|
// add the chainid and number of validators to the global config
|
|
config.Set("chain_id", state.ChainID)
|
|
config.Set("num_vals", state.Validators.Size())
|
|
|
|
// Create the proxyApp, which manages connections (consensus, mempool, query)
|
|
// and sync tendermint and the app by replaying any necessary blocks
|
|
proxyApp := proxy.NewAppConns(config, clientCreator, consensus.NewHandshaker(config, state, blockStore))
|
|
if _, err := proxyApp.Start(); err != nil {
|
|
cmn.Exit(cmn.Fmt("Error starting proxy app connections: %v", err))
|
|
}
|
|
|
|
// reload the state (it may have been updated by the handshake)
|
|
state = sm.LoadState(stateDB)
|
|
|
|
// Transaction indexing
|
|
var txIndexer txindex.TxIndexer
|
|
switch config.GetString("tx_index") {
|
|
case "kv":
|
|
store := dbm.NewDB("tx_index", config.GetString("db_backend"), config.GetString("db_dir"))
|
|
txIndexer = kv.NewTxIndex(store)
|
|
default:
|
|
txIndexer = &null.TxIndex{}
|
|
}
|
|
state.TxIndexer = txIndexer
|
|
|
|
// Generate node PrivKey
|
|
privKey := crypto.GenPrivKeyEd25519()
|
|
|
|
// Make event switch
|
|
eventSwitch := types.NewEventSwitch()
|
|
_, err := eventSwitch.Start()
|
|
if err != nil {
|
|
cmn.Exit(cmn.Fmt("Failed to start switch: %v", err))
|
|
}
|
|
|
|
// Decide whether to fast-sync or not
|
|
// We don't fast-sync when the only validator is us.
|
|
fastSync := config.GetBool("fast_sync")
|
|
if state.Validators.Size() == 1 {
|
|
addr, _ := state.Validators.GetByIndex(0)
|
|
if bytes.Equal(privValidator.Address, addr) {
|
|
fastSync = false
|
|
}
|
|
}
|
|
|
|
// Make BlockchainReactor
|
|
bcReactor := bc.NewBlockchainReactor(config, state.Copy(), proxyApp.Consensus(), blockStore, fastSync)
|
|
|
|
// Make MempoolReactor
|
|
mempool := mempl.NewMempool(config, proxyApp.Mempool())
|
|
mempoolReactor := mempl.NewMempoolReactor(config, mempool)
|
|
|
|
// Make ConsensusReactor
|
|
consensusState := consensus.NewConsensusState(config, state.Copy(), proxyApp.Consensus(), blockStore, mempool)
|
|
if privValidator != nil {
|
|
consensusState.SetPrivValidator(privValidator)
|
|
}
|
|
consensusReactor := consensus.NewConsensusReactor(consensusState, fastSync)
|
|
|
|
// Make p2p network switch
|
|
p2pConfig := viper.New()
|
|
if config.IsSet("p2p") { //TODO verify this necessary, where is this ever set?
|
|
p2pConfig = config.Get("p2p").(*viper.Viper)
|
|
}
|
|
sw := p2p.NewSwitch(p2pConfig)
|
|
sw.AddReactor("MEMPOOL", mempoolReactor)
|
|
sw.AddReactor("BLOCKCHAIN", bcReactor)
|
|
sw.AddReactor("CONSENSUS", consensusReactor)
|
|
|
|
// Optionally, start the pex reactor
|
|
var addrBook *p2p.AddrBook
|
|
if config.GetBool("pex_reactor") {
|
|
addrBook = p2p.NewAddrBook(config.GetString("addrbook_file"), config.GetBool("addrbook_strict"))
|
|
pexReactor := p2p.NewPEXReactor(addrBook)
|
|
sw.AddReactor("PEX", pexReactor)
|
|
}
|
|
|
|
// Filter peers by addr or pubkey with an ABCI query.
|
|
// If the query return code is OK, add peer.
|
|
// XXX: Query format subject to change
|
|
if config.GetBool("filter_peers") {
|
|
// NOTE: addr is ip:port
|
|
sw.SetAddrFilter(func(addr net.Addr) error {
|
|
resQuery, err := proxyApp.Query().QuerySync(abci.RequestQuery{Path: cmn.Fmt("/p2p/filter/addr/%s", addr.String())})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if resQuery.Code.IsOK() {
|
|
return nil
|
|
}
|
|
return errors.New(resQuery.Code.String())
|
|
})
|
|
sw.SetPubKeyFilter(func(pubkey crypto.PubKeyEd25519) error {
|
|
resQuery, err := proxyApp.Query().QuerySync(abci.RequestQuery{Path: cmn.Fmt("/p2p/filter/pubkey/%X", pubkey.Bytes())})
|
|
if err != nil {
|
|
return err
|
|
}
|
|
if resQuery.Code.IsOK() {
|
|
return nil
|
|
}
|
|
return errors.New(resQuery.Code.String())
|
|
})
|
|
}
|
|
|
|
// add the event switch to all services
|
|
// they should all satisfy events.Eventable
|
|
SetEventSwitch(eventSwitch, bcReactor, mempoolReactor, consensusReactor)
|
|
|
|
// run the profile server
|
|
profileHost := config.GetString("prof_laddr")
|
|
if profileHost != "" {
|
|
|
|
go func() {
|
|
log.Warn("Profile server", "error", http.ListenAndServe(profileHost, nil))
|
|
}()
|
|
}
|
|
|
|
node := &Node{
|
|
config: config,
|
|
genesisDoc: state.GenesisDoc,
|
|
privValidator: privValidator,
|
|
|
|
privKey: privKey,
|
|
sw: sw,
|
|
addrBook: addrBook,
|
|
|
|
evsw: eventSwitch,
|
|
blockStore: blockStore,
|
|
bcReactor: bcReactor,
|
|
mempoolReactor: mempoolReactor,
|
|
consensusState: consensusState,
|
|
consensusReactor: consensusReactor,
|
|
proxyApp: proxyApp,
|
|
txIndexer: txIndexer,
|
|
}
|
|
node.BaseService = *cmn.NewBaseService(log, "Node", node)
|
|
return node
|
|
}
|
|
|
|
func (n *Node) OnStart() error {
|
|
|
|
// Create & add listener
|
|
protocol, address := ProtocolAndAddress(n.config.GetString("node_laddr"))
|
|
l := p2p.NewDefaultListener(protocol, address, n.config.GetBool("skip_upnp"))
|
|
n.sw.AddListener(l)
|
|
|
|
// Start the switch
|
|
n.sw.SetNodeInfo(n.makeNodeInfo())
|
|
n.sw.SetNodePrivKey(n.privKey)
|
|
_, err := n.sw.Start()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
// If seeds exist, add them to the address book and dial out
|
|
if n.config.GetString("seeds") != "" {
|
|
// dial out
|
|
seeds := strings.Split(n.config.GetString("seeds"), ",")
|
|
if err := n.DialSeeds(seeds); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
// Run the RPC server
|
|
if n.config.GetString("rpc_laddr") != "" {
|
|
listeners, err := n.startRPC()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
n.rpcListeners = listeners
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (n *Node) OnStop() {
|
|
n.BaseService.OnStop()
|
|
|
|
log.Notice("Stopping Node")
|
|
// TODO: gracefully disconnect from peers.
|
|
n.sw.Stop()
|
|
|
|
for _, l := range n.rpcListeners {
|
|
log.Info("Closing rpc listener", "listener", l)
|
|
if err := l.Close(); err != nil {
|
|
log.Error("Error closing listener", "listener", l, "error", err)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (n *Node) RunForever() {
|
|
// Sleep forever and then...
|
|
cmn.TrapSignal(func() {
|
|
n.Stop()
|
|
})
|
|
}
|
|
|
|
// Add the event switch to reactors, mempool, etc.
|
|
func SetEventSwitch(evsw types.EventSwitch, eventables ...types.Eventable) {
|
|
for _, e := range eventables {
|
|
e.SetEventSwitch(evsw)
|
|
}
|
|
}
|
|
|
|
// Add a Listener to accept inbound peer connections.
|
|
// Add listeners 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.SetConfig(n.config)
|
|
rpccore.SetEventSwitch(n.evsw)
|
|
rpccore.SetBlockStore(n.blockStore)
|
|
rpccore.SetConsensusState(n.consensusState)
|
|
rpccore.SetMempool(n.mempoolReactor.Mempool)
|
|
rpccore.SetSwitch(n.sw)
|
|
rpccore.SetPubKey(n.privValidator.PubKey)
|
|
rpccore.SetGenesisDoc(n.genesisDoc)
|
|
rpccore.SetAddrBook(n.addrBook)
|
|
rpccore.SetProxyAppQuery(n.proxyApp.Query())
|
|
rpccore.SetTxIndexer(n.txIndexer)
|
|
}
|
|
|
|
func (n *Node) startRPC() ([]net.Listener, error) {
|
|
n.ConfigureRPC()
|
|
listenAddrs := strings.Split(n.config.GetString("rpc_laddr"), ",")
|
|
|
|
// 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()
|
|
wm := rpcserver.NewWebsocketManager(rpccore.Routes, n.evsw)
|
|
mux.HandleFunc("/websocket", wm.WebsocketHandler)
|
|
rpcserver.RegisterRPCFuncs(mux, rpccore.Routes)
|
|
listener, err := rpcserver.StartHTTPServer(listenAddr, mux)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
listeners[i] = listener
|
|
}
|
|
|
|
// we expose a simplified api over grpc for convenience to app devs
|
|
grpcListenAddr := n.config.GetString("grpc_laddr")
|
|
if grpcListenAddr != "" {
|
|
listener, err := grpccore.StartGRPCServer(grpcListenAddr)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
listeners = append(listeners, listener)
|
|
}
|
|
|
|
return listeners, nil
|
|
}
|
|
|
|
func (n *Node) Switch() *p2p.Switch {
|
|
return n.sw
|
|
}
|
|
|
|
func (n *Node) BlockStore() *bc.BlockStore {
|
|
return n.blockStore
|
|
}
|
|
|
|
func (n *Node) ConsensusState() *consensus.ConsensusState {
|
|
return n.consensusState
|
|
}
|
|
|
|
func (n *Node) ConsensusReactor() *consensus.ConsensusReactor {
|
|
return n.consensusReactor
|
|
}
|
|
|
|
func (n *Node) MempoolReactor() *mempl.MempoolReactor {
|
|
return n.mempoolReactor
|
|
}
|
|
|
|
func (n *Node) EventSwitch() types.EventSwitch {
|
|
return n.evsw
|
|
}
|
|
|
|
// XXX: for convenience
|
|
func (n *Node) PrivValidator() *types.PrivValidator {
|
|
return n.privValidator
|
|
}
|
|
|
|
func (n *Node) GenesisDoc() *types.GenesisDoc {
|
|
return n.genesisDoc
|
|
}
|
|
|
|
func (n *Node) ProxyApp() proxy.AppConns {
|
|
return n.proxyApp
|
|
}
|
|
|
|
func (n *Node) makeNodeInfo() *p2p.NodeInfo {
|
|
txIndexerStatus := "on"
|
|
if _, ok := n.txIndexer.(*null.TxIndex); ok {
|
|
txIndexerStatus = "off"
|
|
}
|
|
|
|
nodeInfo := &p2p.NodeInfo{
|
|
PubKey: n.privKey.PubKey().Unwrap().(crypto.PubKeyEd25519),
|
|
Moniker: n.config.GetString("moniker"),
|
|
Network: n.config.GetString("chain_id"),
|
|
Version: version.Version,
|
|
Other: []string{
|
|
cmn.Fmt("wire_version=%v", wire.Version),
|
|
cmn.Fmt("p2p_version=%v", p2p.Version),
|
|
cmn.Fmt("consensus_version=%v", consensus.Version),
|
|
cmn.Fmt("rpc_version=%v/%v", rpc.Version, rpccore.Version),
|
|
cmn.Fmt("tx_index=%v", txIndexerStatus),
|
|
},
|
|
}
|
|
|
|
// include git hash in the nodeInfo if available
|
|
if rev, err := cmn.ReadFile(n.config.GetString("revision_file")); err == nil {
|
|
nodeInfo.Other = append(nodeInfo.Other, cmn.Fmt("revision=%v", string(rev)))
|
|
}
|
|
|
|
if !n.sw.IsListening() {
|
|
return nodeInfo
|
|
}
|
|
|
|
p2pListener := n.sw.Listeners()[0]
|
|
p2pHost := p2pListener.ExternalAddress().IP.String()
|
|
p2pPort := p2pListener.ExternalAddress().Port
|
|
rpcListenAddr := n.config.GetString("rpc_laddr")
|
|
|
|
// We assume that the rpcListener has the same ExternalAddress.
|
|
// This is probably true because both P2P and RPC listeners use UPnP,
|
|
// except of course if the rpc is only bound to localhost
|
|
nodeInfo.ListenAddr = cmn.Fmt("%v:%v", p2pHost, p2pPort)
|
|
nodeInfo.Other = append(nodeInfo.Other, cmn.Fmt("rpc_addr=%v", rpcListenAddr))
|
|
return nodeInfo
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func (n *Node) NodeInfo() *p2p.NodeInfo {
|
|
return n.sw.NodeInfo()
|
|
}
|
|
|
|
func (n *Node) DialSeeds(seeds []string) error {
|
|
return n.sw.DialSeeds(n.addrBook, seeds)
|
|
}
|
|
|
|
// Defaults to tcp
|
|
func ProtocolAndAddress(listenAddr string) (string, string) {
|
|
protocol, address := "tcp", listenAddr
|
|
parts := strings.SplitN(address, "://", 2)
|
|
if len(parts) == 2 {
|
|
protocol, address = parts[0], parts[1]
|
|
}
|
|
return protocol, address
|
|
}
|