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/application/mov"
21 "github.com/vapor/asset"
22 "github.com/vapor/blockchain/pseudohsm"
23 cfg "github.com/vapor/config"
24 "github.com/vapor/consensus"
25 "github.com/vapor/database"
26 dbm "github.com/vapor/database/leveldb"
27 "github.com/vapor/env"
28 "github.com/vapor/event"
29 vaporLog "github.com/vapor/log"
30 "github.com/vapor/net/websocket"
31 "github.com/vapor/netsync"
32 "github.com/vapor/proposal/blockproposer"
33 "github.com/vapor/protocol"
34 "github.com/vapor/protocol/bc/types"
35 w "github.com/vapor/wallet"
39 webHost = "http://127.0.0.1"
43 // Node represent bytom node
48 eventDispatcher *event.Dispatcher
49 syncManager *netsync.SyncManager
52 accessTokens *accesstoken.CredentialStore
53 notificationMgr *websocket.WSNotificationManager
56 cpuMiner *blockproposer.BlockProposer
60 // NewNode create bytom node
61 func NewNode(config *cfg.Config) *Node {
62 if err := lockDataDirectory(config); err != nil {
63 cmn.Exit("Error: " + err.Error())
66 if err := cfg.LoadFederationFile(config.FederationFile(), config); err != nil {
67 cmn.Exit(cmn.Fmt("Failed to load federated information:[%s]", err.Error()))
70 if err := vaporLog.InitLogFile(config); err != nil {
71 log.WithField("err", err).Fatalln("InitLogFile failed")
74 log.WithFields(log.Fields{
76 "pubkey": config.PrivateKey().XPub(),
77 "fed_xpubs": config.Federation.Xpubs,
78 "fed_quorum": config.Federation.Quorum,
79 "fed_controlprogram": hex.EncodeToString(cfg.FederationWScript(config)),
82 if err := consensus.InitActiveNetParams(config.ChainID); err != nil {
83 log.Fatalf("Failed to init ActiveNetParams:[%s]", err.Error())
86 initCommonConfig(config)
87 movCore := mov.NewMovCore(config.DBBackend, config.DBDir())
88 startPoint := consensus.ActiveNetParams.MovStartPoint
89 if startPoint.Height == 0 {
90 startPoint.Hash = cfg.GenesisBlock().Hash()
92 if err := movCore.InitChainStatus(startPoint.Height, &startPoint.Hash); err != nil {
93 log.Fatalf("Failed to create Mov protocol", err.Error())
96 if config.DBBackend != "memdb" && config.DBBackend != "leveldb" {
97 cmn.Exit(cmn.Fmt("Param db_backend [%v] is invalid, use leveldb or memdb", config.DBBackend))
99 coreDB := dbm.NewDB("core", config.DBBackend, config.DBDir())
100 store := database.NewStore(coreDB)
102 tokenDB := dbm.NewDB("accesstoken", config.DBBackend, config.DBDir())
103 accessTokens := accesstoken.NewStore(tokenDB)
105 dispatcher := event.NewDispatcher()
106 txPool := protocol.NewTxPool(store, []protocol.DustFilterer{movCore}, dispatcher)
107 chain, err := protocol.NewChain(store, txPool, []protocol.Protocoler{movCore}, dispatcher)
109 cmn.Exit(cmn.Fmt("Failed to create chain structure: %v", err))
112 if err := checkConfig(chain, config); err != nil {
116 var accounts *account.Manager
117 var assets *asset.Registry
120 hsm, err := pseudohsm.New(config.KeysDir())
122 cmn.Exit(cmn.Fmt("initialize HSM failed: %v", err))
125 if !config.Wallet.Disable {
126 walletDB := dbm.NewDB("wallet", config.DBBackend, config.DBDir())
127 walletStore := database.NewWalletStore(walletDB)
128 accountStore := database.NewAccountStore(walletDB)
129 accounts = account.NewManager(accountStore, chain)
130 assets = asset.NewRegistry(walletDB, chain)
131 wallet, err = w.NewWallet(walletStore, accounts, assets, hsm, chain, dispatcher, config.Wallet.TxIndex)
133 log.WithFields(log.Fields{"module": logModule, "error": err}).Error("init NewWallet")
136 // trigger rescan wallet
137 if config.Wallet.Rescan {
138 wallet.RescanBlocks()
141 fastSyncDB := dbm.NewDB("fastsync", config.DBBackend, config.DBDir())
142 syncManager, err := netsync.NewSyncManager(config, chain, txPool, dispatcher, fastSyncDB)
144 cmn.Exit(cmn.Fmt("Failed to create sync manager: %v", err))
147 notificationMgr := websocket.NewWsNotificationManager(config.Websocket.MaxNumWebsockets, config.Websocket.MaxNumConcurrentReqs, chain, dispatcher)
149 // run the profile server
150 profileHost := config.ProfListenAddress
151 if profileHost != "" {
152 // Profiling vapord programs.see (https://blog.golang.org/profiling-go-programs)
153 // go tool pprof http://profileHose/debug/pprof/heap
155 if err = http.ListenAndServe(profileHost, nil); err != nil {
156 cmn.Exit(cmn.Fmt("Failed to register tcp profileHost: %v", err))
162 eventDispatcher: dispatcher,
164 syncManager: syncManager,
165 accessTokens: accessTokens,
168 miningEnable: config.Mining,
170 notificationMgr: notificationMgr,
173 node.cpuMiner = blockproposer.NewBlockProposer(chain, accounts, txPool, []blockproposer.Preprocessor{movCore}, dispatcher)
174 node.BaseService = *cmn.NewBaseService(nil, "Node", node)
178 // find whether config xpubs equal genesis block xpubs
179 func checkConfig(chain *protocol.Chain, config *cfg.Config) error {
180 fedpegScript := cfg.FederationWScript(config)
181 genesisBlock, err := chain.GetBlockByHeight(0)
185 typedInput := genesisBlock.Transactions[0].Inputs[0].TypedInput
186 if v, ok := typedInput.(*types.CoinbaseInput); ok {
187 if !reflect.DeepEqual(fedpegScript, v.Arbitrary) {
188 return errors.New("config xpubs don't equal genesis block xpubs.")
194 // Lock data directory after daemonization
195 func lockDataDirectory(config *cfg.Config) error {
196 _, _, err := flock.New(filepath.Join(config.RootDir, "LOCK"))
198 return errors.New("datadir already used by another process")
203 func initCommonConfig(config *cfg.Config) {
204 cfg.CommonConfig = config
207 // Lanch web broser or not
208 func launchWebBrowser(port string) {
209 webAddress := webHost + ":" + port
210 log.Info("Launching System Browser with :", webAddress)
211 if err := browser.Open(webAddress); err != nil {
212 log.Error(err.Error())
217 func (n *Node) initAndstartAPIServer() {
218 n.api = api.NewAPI(n.syncManager, n.wallet, n.cpuMiner, n.chain, n.config, n.accessTokens, n.eventDispatcher, n.notificationMgr)
220 listenAddr := env.String("LISTEN", n.config.ApiAddress)
222 n.api.StartServer(*listenAddr)
225 func (n *Node) OnStart() error {
227 if _, err := n.wallet.AccountMgr.GetMiningAddress(); err != nil {
228 n.miningEnable = false
234 if !n.config.VaultMode {
235 if err := n.syncManager.Start(); err != nil {
240 n.initAndstartAPIServer()
241 if err := n.notificationMgr.Start(); err != nil {
245 if !n.config.Web.Closed {
246 _, port, err := net.SplitHostPort(n.config.ApiAddress)
248 log.Error("Invalid api address")
251 launchWebBrowser(port)
256 func (n *Node) OnStop() {
257 n.notificationMgr.Shutdown()
258 n.notificationMgr.WaitForShutdown()
259 n.BaseService.OnStop()
263 if !n.config.VaultMode {
266 n.eventDispatcher.Stop()
269 func (n *Node) RunForever() {
270 // Sleep forever and then...
271 cmn.TrapSignal(func() {