269 lines
7.0 KiB
Go
269 lines
7.0 KiB
Go
package node
|
|
|
|
import (
|
|
"fmt"
|
|
"math/rand"
|
|
"net"
|
|
"net/http"
|
|
"os"
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
bc "github.com/tendermint/tendermint/blockchain"
|
|
. "github.com/tendermint/tendermint/common"
|
|
"github.com/tendermint/tendermint/consensus"
|
|
dbm "github.com/tendermint/tendermint/db"
|
|
"github.com/tendermint/tendermint/events"
|
|
mempl "github.com/tendermint/tendermint/mempool"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
"github.com/tendermint/tendermint/rpc/core"
|
|
"github.com/tendermint/tendermint/rpc/server"
|
|
sm "github.com/tendermint/tendermint/state"
|
|
"github.com/tendermint/tendermint/types"
|
|
)
|
|
|
|
import _ "net/http/pprof"
|
|
|
|
func init() {
|
|
go func() {
|
|
fmt.Println(http.ListenAndServe("0.0.0.0:6060", nil))
|
|
}()
|
|
}
|
|
|
|
type Node struct {
|
|
sw *p2p.Switch
|
|
evsw *events.EventSwitch
|
|
book *p2p.AddrBook
|
|
blockStore *bc.BlockStore
|
|
pexReactor *p2p.PEXReactor
|
|
bcReactor *bc.BlockchainReactor
|
|
mempoolReactor *mempl.MempoolReactor
|
|
consensusState *consensus.ConsensusState
|
|
consensusReactor *consensus.ConsensusReactor
|
|
privValidator *sm.PrivValidator
|
|
}
|
|
|
|
func NewNode() *Node {
|
|
// Get BlockStore
|
|
blockStoreDB := dbm.GetDB("blockstore")
|
|
blockStore := bc.NewBlockStore(blockStoreDB)
|
|
|
|
// Get State
|
|
stateDB := dbm.GetDB("state")
|
|
state := sm.LoadState(stateDB)
|
|
if state == nil {
|
|
state = sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file"))
|
|
state.Save()
|
|
}
|
|
|
|
// Get PrivValidator
|
|
var privValidator *sm.PrivValidator
|
|
privValidatorFile := config.GetString("priv_validator_file")
|
|
if _, err := os.Stat(privValidatorFile); err == nil {
|
|
privValidator = sm.LoadPrivValidator(privValidatorFile)
|
|
log.Info("Loaded PrivValidator",
|
|
"file", privValidatorFile, "privValidator", privValidator)
|
|
} else {
|
|
privValidator = sm.GenPrivValidator()
|
|
privValidator.SetFile(privValidatorFile)
|
|
privValidator.Save()
|
|
log.Info("Generated PrivValidator", "file", privValidatorFile)
|
|
}
|
|
|
|
eventSwitch := new(events.EventSwitch)
|
|
eventSwitch.Start()
|
|
|
|
// Get PEXReactor
|
|
book := p2p.NewAddrBook(config.GetString("addrbook_file"))
|
|
pexReactor := p2p.NewPEXReactor(book)
|
|
|
|
// Get BlockchainReactor
|
|
bcReactor := bc.NewBlockchainReactor(state, blockStore, config.GetBool("fast_sync"))
|
|
|
|
// Get MempoolReactor
|
|
mempool := mempl.NewMempool(state.Copy())
|
|
mempoolReactor := mempl.NewMempoolReactor(mempool)
|
|
|
|
// Get ConsensusReactor
|
|
consensusState := consensus.NewConsensusState(state, blockStore, mempoolReactor)
|
|
consensusReactor := consensus.NewConsensusReactor(consensusState, blockStore)
|
|
if privValidator != nil {
|
|
consensusReactor.SetPrivValidator(privValidator)
|
|
}
|
|
|
|
// so the consensus reactor won't do anything until we're synced
|
|
if config.GetBool("fast_sync") {
|
|
consensusReactor.SetSyncing(true)
|
|
}
|
|
|
|
sw := p2p.NewSwitch()
|
|
sw.AddReactor("PEX", pexReactor)
|
|
sw.AddReactor("MEMPOOL", mempoolReactor)
|
|
sw.AddReactor("BLOCKCHAIN", bcReactor)
|
|
sw.AddReactor("CONSENSUS", consensusReactor)
|
|
|
|
// add the event switch to all services
|
|
// they should all satisfy events.Eventable
|
|
SetFireable(eventSwitch, pexReactor, bcReactor, mempoolReactor, consensusReactor)
|
|
|
|
return &Node{
|
|
sw: sw,
|
|
evsw: eventSwitch,
|
|
book: book,
|
|
blockStore: blockStore,
|
|
pexReactor: pexReactor,
|
|
bcReactor: bcReactor,
|
|
mempoolReactor: mempoolReactor,
|
|
consensusState: consensusState,
|
|
consensusReactor: consensusReactor,
|
|
privValidator: privValidator,
|
|
}
|
|
}
|
|
|
|
// Call Start() after adding the listeners.
|
|
func (n *Node) Start() {
|
|
log.Info("Starting Node")
|
|
n.book.Start()
|
|
nodeInfo := makeNodeInfo(n.sw)
|
|
n.sw.SetNodeInfo(nodeInfo)
|
|
n.sw.Start()
|
|
}
|
|
|
|
func (n *Node) Stop() {
|
|
log.Info("Stopping Node")
|
|
// TODO: gracefully disconnect from peers.
|
|
n.sw.Stop()
|
|
n.book.Stop()
|
|
}
|
|
|
|
// Add the event switch to reactors, mempool, etc.
|
|
func SetFireable(evsw *events.EventSwitch, eventables ...events.Eventable) {
|
|
for _, e := range eventables {
|
|
e.SetFireable(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) {
|
|
log.Info(Fmt("Added %v", l))
|
|
n.sw.AddListener(l)
|
|
n.book.AddOurAddress(l.ExternalAddress())
|
|
}
|
|
|
|
// NOTE: Blocking
|
|
func (n *Node) DialSeed() {
|
|
// permute the list, dial them in random order.
|
|
seeds := strings.Split(config.GetString("seeds"), ",")
|
|
perm := rand.Perm(len(seeds))
|
|
for i := 0; i < len(perm); i++ {
|
|
go func(i int) {
|
|
time.Sleep(time.Duration(rand.Int63n(3000)) * time.Millisecond)
|
|
j := perm[i]
|
|
addr := p2p.NewNetAddressString(seeds[j])
|
|
n.dialSeed(addr)
|
|
}(i)
|
|
}
|
|
}
|
|
|
|
func (n *Node) dialSeed(addr *p2p.NetAddress) {
|
|
peer, err := n.sw.DialPeerWithAddress(addr)
|
|
if err != nil {
|
|
log.Error("Error dialing seed", "error", err)
|
|
//n.book.MarkAttempt(addr)
|
|
return
|
|
} else {
|
|
log.Info("Connected to seed", "peer", peer)
|
|
n.book.AddAddress(addr, addr)
|
|
}
|
|
}
|
|
|
|
func (n *Node) StartRPC() {
|
|
core.SetBlockStore(n.blockStore)
|
|
core.SetConsensusState(n.consensusState)
|
|
core.SetConsensusReactor(n.consensusReactor)
|
|
core.SetMempoolReactor(n.mempoolReactor)
|
|
core.SetSwitch(n.sw)
|
|
core.SetPrivValidator(n.privValidator)
|
|
|
|
listenAddr := config.GetString("rpc_laddr")
|
|
mux := http.NewServeMux()
|
|
rpcserver.RegisterEventsHandler(mux, n.evsw)
|
|
rpcserver.RegisterRPCFuncs(mux, core.Routes)
|
|
rpcserver.StartHTTPServer(listenAddr, mux)
|
|
}
|
|
|
|
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) MempoolReactor() *mempl.MempoolReactor {
|
|
return n.mempoolReactor
|
|
}
|
|
|
|
func (n *Node) EventSwitch() *events.EventSwitch {
|
|
return n.evsw
|
|
}
|
|
|
|
func makeNodeInfo(sw *p2p.Switch) *types.NodeInfo {
|
|
nodeInfo := &types.NodeInfo{
|
|
Network: config.GetString("network"),
|
|
Moniker: config.GetString("moniker"),
|
|
Version: config.GetString("version"),
|
|
}
|
|
if !sw.IsListening() {
|
|
return nodeInfo
|
|
}
|
|
p2pListener := sw.Listeners()[0]
|
|
p2pHost := p2pListener.ExternalAddress().IP.String()
|
|
p2pPort := p2pListener.ExternalAddress().Port
|
|
rpcListenAddr := config.GetString("rpc_laddr")
|
|
_, rpcPortStr, _ := net.SplitHostPort(rpcListenAddr)
|
|
rpcPort, err := strconv.Atoi(rpcPortStr)
|
|
if err != nil {
|
|
panic(Fmt("Expected numeric RPC.ListenAddr port but got %v", rpcPortStr))
|
|
}
|
|
|
|
// We assume that the rpcListener has the same ExternalAddress.
|
|
// This is probably true because both P2P and RPC listeners use UPnP.
|
|
nodeInfo.Host = p2pHost
|
|
nodeInfo.P2PPort = p2pPort
|
|
nodeInfo.RPCPort = uint16(rpcPort)
|
|
return nodeInfo
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func RunNode() {
|
|
// Create & start node
|
|
n := NewNode()
|
|
l := p2p.NewDefaultListener("tcp", config.GetString("node_laddr"), false)
|
|
n.AddListener(l)
|
|
n.Start()
|
|
|
|
// If seedNode is provided by config, dial out.
|
|
if len(config.GetString("seeds")) > 0 {
|
|
n.DialSeed()
|
|
}
|
|
|
|
// Run the RPC server.
|
|
if config.GetString("rpc_laddr") != "" {
|
|
n.StartRPC()
|
|
}
|
|
|
|
// Sleep forever and then...
|
|
TrapSignal(func() {
|
|
n.Stop()
|
|
})
|
|
}
|