12 "github.com/prometheus/prometheus/util/flock"
13 log "github.com/sirupsen/logrus"
14 cmn "github.com/tendermint/tmlibs/common"
15 browser "github.com/toqueteos/webbrowser"
17 "github.com/vapor/accesstoken"
18 "github.com/vapor/account"
19 "github.com/vapor/api"
20 "github.com/vapor/asset"
21 "github.com/vapor/blockchain/pseudohsm"
22 cfg "github.com/vapor/config"
23 "github.com/vapor/consensus"
24 "github.com/vapor/database"
25 dbm "github.com/vapor/database/leveldb"
26 "github.com/vapor/env"
27 "github.com/vapor/event"
28 vaporLog "github.com/vapor/log"
29 "github.com/vapor/net/websocket"
30 "github.com/vapor/netsync"
31 "github.com/vapor/proposal/blockproposer"
32 "github.com/vapor/protocol"
33 "github.com/vapor/protocol/bc/types"
34 w "github.com/vapor/wallet"
38 webHost = "http://127.0.0.1"
42 // Node represent bytom node
47 eventDispatcher *event.Dispatcher
48 syncManager *netsync.SyncManager
51 accessTokens *accesstoken.CredentialStore
52 notificationMgr *websocket.WSNotificationManager
55 cpuMiner *blockproposer.BlockProposer
59 // NewNode create bytom node
60 func NewNode(config *cfg.Config) *Node {
61 if err := lockDataDirectory(config); err != nil {
62 cmn.Exit("Error: " + err.Error())
65 if err := cfg.LoadFederationFile(config.FederationFile(), config); err != nil {
66 cmn.Exit(cmn.Fmt("Failed to load federated information:[%s]", err.Error()))
69 if err:=vaporLog.InitLogFile(config);err!=nil{
70 log.WithField("err",err).Fatalln("InitLogFile failed")
73 log.WithFields(log.Fields{
75 "pubkey": config.PrivateKey().XPub(),
76 "fed_xpubs": config.Federation.Xpubs,
77 "fed_quorum": config.Federation.Quorum,
78 "fed_controlprogram": hex.EncodeToString(cfg.FederationWScript(config)),
81 if err := consensus.InitActiveNetParams(config.ChainID); err != nil {
82 log.Fatalf("Failed to init ActiveNetParams:[%s]", err.Error())
85 initCommonConfig(config)
88 if config.DBBackend != "memdb" && config.DBBackend != "leveldb" {
89 cmn.Exit(cmn.Fmt("Param db_backend [%v] is invalid, use leveldb or memdb", config.DBBackend))
91 coreDB := dbm.NewDB("core", config.DBBackend, config.DBDir())
92 store := database.NewStore(coreDB)
94 tokenDB := dbm.NewDB("accesstoken", config.DBBackend, config.DBDir())
95 accessTokens := accesstoken.NewStore(tokenDB)
97 dispatcher := event.NewDispatcher()
98 txPool := protocol.NewTxPool(store, dispatcher)
99 chain, err := protocol.NewChain(store, txPool, dispatcher)
101 cmn.Exit(cmn.Fmt("Failed to create chain structure: %v", err))
104 if err := checkConfig(chain, config); err != nil {
108 var accounts *account.Manager
109 var assets *asset.Registry
112 hsm, err := pseudohsm.New(config.KeysDir())
114 cmn.Exit(cmn.Fmt("initialize HSM failed: %v", err))
117 if !config.Wallet.Disable {
118 walletDB := dbm.NewDB("wallet", config.DBBackend, config.DBDir())
119 walletStore := database.NewWalletStore(walletDB)
120 accountStore := database.NewAccountStore(walletDB)
121 accounts = account.NewManager(accountStore, chain)
122 assets = asset.NewRegistry(walletDB, chain)
123 wallet, err = w.NewWallet(walletStore, accounts, assets, hsm, chain, dispatcher, config.Wallet.TxIndex)
125 log.WithFields(log.Fields{"module": logModule, "error": err}).Error("init NewWallet")
128 // trigger rescan wallet
129 if config.Wallet.Rescan {
130 wallet.RescanBlocks()
133 fastSyncDB := dbm.NewDB("fastsync", config.DBBackend, config.DBDir())
134 syncManager, err := netsync.NewSyncManager(config, chain, txPool, dispatcher, fastSyncDB)
136 cmn.Exit(cmn.Fmt("Failed to create sync manager: %v", err))
139 notificationMgr := websocket.NewWsNotificationManager(config.Websocket.MaxNumWebsockets, config.Websocket.MaxNumConcurrentReqs, chain, dispatcher)
141 // run the profile server
142 profileHost := config.ProfListenAddress
143 if profileHost != "" {
144 // Profiling vapord programs.see (https://blog.golang.org/profiling-go-programs)
145 // go tool pprof http://profileHose/debug/pprof/heap
147 if err = http.ListenAndServe(profileHost, nil); err != nil {
148 cmn.Exit(cmn.Fmt("Failed to register tcp profileHost: %v", err))
154 eventDispatcher: dispatcher,
156 syncManager: syncManager,
157 accessTokens: accessTokens,
160 miningEnable: config.Mining,
162 notificationMgr: notificationMgr,
165 node.cpuMiner = blockproposer.NewBlockProposer(chain, accounts, txPool, dispatcher)
166 node.BaseService = *cmn.NewBaseService(nil, "Node", node)
170 // find whether config xpubs equal genesis block xpubs
171 func checkConfig(chain *protocol.Chain, config *cfg.Config) error {
172 fedpegScript := cfg.FederationWScript(config)
173 genesisBlock, err := chain.GetBlockByHeight(0)
177 typedInput := genesisBlock.Transactions[0].Inputs[0].TypedInput
178 if v, ok := typedInput.(*types.CoinbaseInput); ok {
179 if !reflect.DeepEqual(fedpegScript, v.Arbitrary) {
180 return errors.New("config xpubs don't equal genesis block xpubs.")
186 // Lock data directory after daemonization
187 func lockDataDirectory(config *cfg.Config) error {
188 _, _, err := flock.New(filepath.Join(config.RootDir, "LOCK"))
190 return errors.New("datadir already used by another process")
195 func initCommonConfig(config *cfg.Config) {
196 cfg.CommonConfig = config
199 // Lanch web broser or not
200 func launchWebBrowser(port string) {
201 webAddress := webHost + ":" + port
202 log.Info("Launching System Browser with :", webAddress)
203 if err := browser.Open(webAddress); err != nil {
204 log.Error(err.Error())
209 func (n *Node) initAndstartAPIServer() {
210 n.api = api.NewAPI(n.syncManager, n.wallet, n.cpuMiner, n.chain, n.config, n.accessTokens, n.eventDispatcher, n.notificationMgr)
212 listenAddr := env.String("LISTEN", n.config.ApiAddress)
214 n.api.StartServer(*listenAddr)
217 func (n *Node) OnStart() error {
219 if _, err := n.wallet.AccountMgr.GetMiningAddress(); err != nil {
220 n.miningEnable = false
226 if !n.config.VaultMode {
227 if err := n.syncManager.Start(); err != nil {
232 n.initAndstartAPIServer()
233 if err := n.notificationMgr.Start(); err != nil {
237 if !n.config.Web.Closed {
238 _, port, err := net.SplitHostPort(n.config.ApiAddress)
240 log.Error("Invalid api address")
243 launchWebBrowser(port)
248 func (n *Node) OnStop() {
249 n.notificationMgr.Shutdown()
250 n.notificationMgr.WaitForShutdown()
251 n.BaseService.OnStop()
255 if !n.config.VaultMode {
258 n.eventDispatcher.Stop()
261 func (n *Node) RunForever() {
262 // Sleep forever and then...
263 cmn.TrapSignal(func() {