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.
353 lines
9.7 KiB
353 lines
9.7 KiB
package node
|
|
|
|
import (
|
|
"bytes"
|
|
"io/ioutil"
|
|
"math/rand"
|
|
"net"
|
|
"net/http"
|
|
"strings"
|
|
"time"
|
|
|
|
. "github.com/tendermint/go-common"
|
|
"github.com/tendermint/go-crypto"
|
|
dbm "github.com/tendermint/go-db"
|
|
"github.com/tendermint/go-p2p"
|
|
"github.com/tendermint/go-wire"
|
|
bc "github.com/tendermint/tendermint/blockchain"
|
|
"github.com/tendermint/tendermint/consensus"
|
|
"github.com/tendermint/tendermint/events"
|
|
mempl "github.com/tendermint/tendermint/mempool"
|
|
"github.com/tendermint/tendermint/proxy"
|
|
"github.com/tendermint/tendermint/rpc"
|
|
"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"
|
|
|
|
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 *types.PrivValidator
|
|
genesisDoc *types.GenesisDoc
|
|
privKey crypto.PrivKeyEd25519
|
|
}
|
|
|
|
func NewNode() *Node {
|
|
// Get BlockStore
|
|
blockStoreDB := dbm.GetDB("blockstore")
|
|
blockStore := bc.NewBlockStore(blockStoreDB)
|
|
|
|
// Get State
|
|
state := getState()
|
|
|
|
// Create two proxyAppCtx connections,
|
|
// one for the consensus and one for the mempool.
|
|
proxyAddr := config.GetString("proxy_app")
|
|
proxyAppCtxMempool := getProxyApp(proxyAddr, state.LastAppHash)
|
|
proxyAppCtxConsensus := getProxyApp(proxyAddr, state.LastAppHash)
|
|
|
|
// add the chainid to the global config
|
|
config.Set("chain_id", state.ChainID)
|
|
|
|
// Get PrivValidator
|
|
privValidatorFile := config.GetString("priv_validator_file")
|
|
privValidator := types.LoadOrGenPrivValidator(privValidatorFile)
|
|
|
|
// Generate node PrivKey
|
|
privKey := crypto.GenPrivKeyEd25519()
|
|
|
|
// Make event switch
|
|
eventSwitch := events.NewEventSwitch()
|
|
_, err := eventSwitch.Start()
|
|
if err != nil {
|
|
Exit(Fmt("Failed to start switch: %v", err))
|
|
}
|
|
|
|
// Make PEXReactor
|
|
book := p2p.NewAddrBook(config.GetString("addrbook_file"))
|
|
pexReactor := p2p.NewPEXReactor(book)
|
|
|
|
// Make BlockchainReactor
|
|
bcReactor := bc.NewBlockchainReactor(state.Copy(), proxyAppCtxConsensus, blockStore, config.GetBool("fast_sync"))
|
|
|
|
// Make MempoolReactor
|
|
mempool := mempl.NewMempool(proxyAppCtxMempool)
|
|
mempoolReactor := mempl.NewMempoolReactor(mempool)
|
|
|
|
// Make ConsensusReactor
|
|
consensusState := consensus.NewConsensusState(state.Copy(), proxyAppCtxConsensus, blockStore, mempool)
|
|
consensusReactor := consensus.NewConsensusReactor(consensusState, blockStore, config.GetBool("fast_sync"))
|
|
if privValidator != nil {
|
|
consensusReactor.SetPrivValidator(privValidator)
|
|
}
|
|
|
|
// Make p2p network switch
|
|
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, 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))
|
|
}()
|
|
}
|
|
|
|
return &Node{
|
|
sw: sw,
|
|
evsw: eventSwitch,
|
|
book: book,
|
|
blockStore: blockStore,
|
|
pexReactor: pexReactor,
|
|
bcReactor: bcReactor,
|
|
mempoolReactor: mempoolReactor,
|
|
consensusState: consensusState,
|
|
consensusReactor: consensusReactor,
|
|
privValidator: privValidator,
|
|
genesisDoc: state.GenesisDoc,
|
|
privKey: privKey,
|
|
}
|
|
}
|
|
|
|
// Call Start() after adding the listeners.
|
|
func (n *Node) Start() error {
|
|
n.book.Start()
|
|
n.sw.SetNodeInfo(makeNodeInfo(n.sw, n.privKey))
|
|
n.sw.SetNodePrivKey(n.privKey)
|
|
_, err := n.sw.Start()
|
|
return err
|
|
}
|
|
|
|
func (n *Node) Stop() {
|
|
log.Notice("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.Notice(Fmt("Added %v", l))
|
|
n.sw.AddListener(l)
|
|
n.book.AddOurAddress(l.ExternalAddress())
|
|
}
|
|
|
|
// Dial a list of seeds in random order
|
|
// Spawns a go routine for each dial
|
|
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.Notice("Connected to seed", "peer", peer)
|
|
n.book.AddAddress(addr, addr)
|
|
}
|
|
}
|
|
|
|
func (n *Node) StartRPC() (net.Listener, error) {
|
|
core.SetBlockStore(n.blockStore)
|
|
core.SetConsensusState(n.consensusState)
|
|
core.SetConsensusReactor(n.consensusReactor)
|
|
core.SetMempoolReactor(n.mempoolReactor)
|
|
core.SetSwitch(n.sw)
|
|
core.SetPrivValidator(n.privValidator)
|
|
core.SetGenesisDoc(n.genesisDoc)
|
|
|
|
listenAddr := config.GetString("rpc_laddr")
|
|
|
|
mux := http.NewServeMux()
|
|
wm := rpcserver.NewWebsocketManager(core.Routes, n.evsw)
|
|
mux.HandleFunc("/websocket", wm.WebsocketHandler)
|
|
rpcserver.RegisterRPCFuncs(mux, core.Routes)
|
|
return 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, privKey crypto.PrivKeyEd25519) *p2p.NodeInfo {
|
|
|
|
nodeInfo := &p2p.NodeInfo{
|
|
PubKey: privKey.PubKey().(crypto.PubKeyEd25519),
|
|
Moniker: config.GetString("moniker"),
|
|
Network: config.GetString("chain_id"),
|
|
Version: Version,
|
|
Other: []string{
|
|
Fmt("p2p_version=%v", p2p.Version),
|
|
Fmt("rpc_version=%v", rpc.Version),
|
|
Fmt("wire_version=%v", wire.Version),
|
|
},
|
|
}
|
|
|
|
// include git hash in the nodeInfo if available
|
|
if rev, err := ReadFile(config.GetString("revision_file")); err == nil {
|
|
nodeInfo.Other = append(nodeInfo.Other, Fmt("revision=%v", string(rev)))
|
|
}
|
|
|
|
if !sw.IsListening() {
|
|
return nodeInfo
|
|
}
|
|
|
|
p2pListener := sw.Listeners()[0]
|
|
p2pHost := p2pListener.ExternalAddress().IP.String()
|
|
p2pPort := p2pListener.ExternalAddress().Port
|
|
rpcListenAddr := 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 = Fmt("%v:%v", p2pHost, p2pPort)
|
|
nodeInfo.Other = append(nodeInfo.Other, Fmt("rpc_addr=%v", rpcListenAddr))
|
|
return nodeInfo
|
|
}
|
|
|
|
//------------------------------------------------------------------------------
|
|
|
|
func RunNode() {
|
|
|
|
// Wait until the genesis doc becomes available
|
|
genDocFile := config.GetString("genesis_file")
|
|
if !FileExists(genDocFile) {
|
|
log.Notice(Fmt("Waiting for genesis file %v...", genDocFile))
|
|
for {
|
|
time.Sleep(time.Second)
|
|
if !FileExists(genDocFile) {
|
|
continue
|
|
}
|
|
jsonBlob, err := ioutil.ReadFile(genDocFile)
|
|
if err != nil {
|
|
Exit(Fmt("Couldn't read GenesisDoc file: %v", err))
|
|
}
|
|
genDoc := types.GenesisDocFromJSON(jsonBlob)
|
|
if genDoc.ChainID == "" {
|
|
PanicSanity(Fmt("Genesis doc %v must include non-empty chain_id", genDocFile))
|
|
}
|
|
config.Set("chain_id", genDoc.ChainID)
|
|
config.Set("genesis_doc", genDoc)
|
|
}
|
|
}
|
|
|
|
// Create & start node
|
|
n := NewNode()
|
|
l := p2p.NewDefaultListener("tcp", config.GetString("node_laddr"), config.GetBool("skip_upnp"))
|
|
n.AddListener(l)
|
|
err := n.Start()
|
|
if err != nil {
|
|
Exit(Fmt("Failed to start node: %v", err))
|
|
}
|
|
|
|
log.Notice("Started node", "nodeInfo", n.sw.NodeInfo())
|
|
|
|
// If seedNode is provided by config, dial out.
|
|
if config.GetString("seeds") != "" {
|
|
n.DialSeed()
|
|
}
|
|
|
|
// Run the RPC server.
|
|
if config.GetString("rpc_laddr") != "" {
|
|
_, err := n.StartRPC()
|
|
if err != nil {
|
|
PanicCrisis(err)
|
|
}
|
|
}
|
|
|
|
// Sleep forever and then...
|
|
TrapSignal(func() {
|
|
n.Stop()
|
|
})
|
|
}
|
|
|
|
// Load the most recent state from "state" db,
|
|
// or create a new one (and save) from genesis.
|
|
func getState() *sm.State {
|
|
stateDB := dbm.GetDB("state")
|
|
state := sm.LoadState(stateDB)
|
|
if state == nil {
|
|
state = sm.MakeGenesisStateFromFile(stateDB, config.GetString("genesis_file"))
|
|
state.Save()
|
|
}
|
|
return state
|
|
}
|
|
|
|
// Get a connection to the proxyAppCtx addr.
|
|
// Check the current hash, and panic if it doesn't match.
|
|
func getProxyApp(addr string, hash []byte) proxy.AppContext {
|
|
proxyConn, err := Connect(addr)
|
|
if err != nil {
|
|
Exit(Fmt("Failed to connect to proxy for mempool: %v", err))
|
|
}
|
|
proxyAppCtx := proxy.NewRemoteAppContext(proxyConn, 1024)
|
|
|
|
proxyAppCtx.Start()
|
|
|
|
// Check the hash
|
|
currentHash, err := proxyAppCtx.GetHashSync()
|
|
if err != nil {
|
|
PanicCrisis(Fmt("Error in getting proxyAppCtx hash: %v", err))
|
|
}
|
|
if !bytes.Equal(hash, currentHash) {
|
|
PanicCrisis(Fmt("ProxyApp hash does not match. Expected %X, got %X", hash, currentHash))
|
|
}
|
|
|
|
return proxyAppCtx
|
|
}
|