15 "github.com/prometheus/prometheus/util/flock"
16 log "github.com/sirupsen/logrus"
17 cmn "github.com/tendermint/tmlibs/common"
18 dbm "github.com/tendermint/tmlibs/db"
19 browser "github.com/toqueteos/webbrowser"
21 "github.com/vapor/accesstoken"
22 "github.com/vapor/account"
23 "github.com/vapor/api"
24 "github.com/vapor/asset"
25 "github.com/vapor/blockchain/pseudohsm"
26 "github.com/vapor/blockchain/txfeed"
27 cfg "github.com/vapor/config"
28 "github.com/vapor/consensus"
29 "github.com/vapor/crypto/ed25519/chainkd"
30 "github.com/vapor/database/leveldb"
31 "github.com/vapor/env"
32 "github.com/vapor/mining/cpuminer"
33 "github.com/vapor/mining/miningpool"
34 "github.com/vapor/net/websocket"
35 "github.com/vapor/netsync"
36 "github.com/vapor/protocol"
37 "github.com/vapor/protocol/bc"
38 "github.com/vapor/util"
39 w "github.com/vapor/wallet"
43 webHost = "http://127.0.0.1"
44 maxNewBlockChSize = 1024
53 syncManager *netsync.SyncManager
55 //bcReactor *bc.BlockchainReactor
57 accessTokens *accesstoken.CredentialStore
58 notificationMgr *websocket.WSNotificationManager
61 txfeed *txfeed.Tracker
62 cpuMiner *cpuminer.CPUMiner
63 miningPool *miningpool.MiningPool
66 newBlockCh chan *bc.Hash
69 func NewNode(config *cfg.Config) *Node {
70 ctx := context.Background()
71 if err := lockDataDirectory(config); err != nil {
72 cmn.Exit("Error: " + err.Error())
75 initActiveNetParams(config)
76 initCommonConfig(config)
77 util.MainchainConfig = config.MainChain
78 util.ValidatePegin = config.ValidatePegin
80 if config.DBBackend != "memdb" && config.DBBackend != "leveldb" {
81 cmn.Exit(cmn.Fmt("Param db_backend [%v] is invalid, use leveldb or memdb", config.DBBackend))
83 coreDB := dbm.NewDB("core", config.DBBackend, config.DBDir())
84 store := leveldb.NewStore(coreDB)
86 tokenDB := dbm.NewDB("accesstoken", config.DBBackend, config.DBDir())
87 accessTokens := accesstoken.NewStore(tokenDB)
89 txPool := protocol.NewTxPool(store)
90 chain, err := protocol.NewChain(store, txPool)
92 cmn.Exit(cmn.Fmt("Failed to create chain structure: %v", err))
95 var accounts *account.Manager = nil
96 var assets *asset.Registry = nil
97 var wallet *w.Wallet = nil
98 var txFeed *txfeed.Tracker = nil
100 txFeedDB := dbm.NewDB("txfeeds", config.DBBackend, config.DBDir())
101 txFeed = txfeed.NewTracker(txFeedDB, chain)
103 if err = txFeed.Prepare(ctx); err != nil {
104 log.WithField("error", err).Error("start txfeed")
108 hsm, err := pseudohsm.New(config.KeysDir())
110 cmn.Exit(cmn.Fmt("initialize HSM failed: %v", err))
113 if !config.Wallet.Disable {
114 walletDB := dbm.NewDB("wallet", config.DBBackend, config.DBDir())
115 accounts = account.NewManager(walletDB, chain)
116 assets = asset.NewRegistry(walletDB, chain)
117 wallet, err = w.NewWallet(walletDB, accounts, assets, hsm, chain)
119 log.WithField("error", err).Error("init NewWallet")
122 // trigger rescan wallet
123 if config.Wallet.Rescan {
124 wallet.RescanBlocks()
127 newBlockCh := make(chan *bc.Hash, maxNewBlockChSize)
129 syncManager, _ := netsync.NewSyncManager(config, chain, txPool, newBlockCh)
131 notificationMgr := websocket.NewWsNotificationManager(config.Websocket.MaxNumWebsockets, config.Websocket.MaxNumConcurrentReqs, chain)
133 // get transaction from txPool and send it to syncManager and wallet
134 go newPoolTxListener(txPool, syncManager, wallet, notificationMgr)
136 // run the profile server
137 profileHost := config.ProfListenAddress
138 if profileHost != "" {
139 // Profiling bytomd programs.see (https://blog.golang.org/profiling-go-programs)
140 // go tool pprof http://profileHose/debug/pprof/heap
142 if err = http.ListenAndServe(profileHost, nil); err != nil {
143 cmn.Exit(cmn.Fmt("Failed to register tcp profileHost: %v", err))
150 syncManager: syncManager,
151 accessTokens: accessTokens,
155 miningEnable: config.Mining,
157 newBlockCh: newBlockCh,
158 notificationMgr: notificationMgr,
161 node.cpuMiner = cpuminer.NewCPUMiner(chain, accounts, txPool, newBlockCh)
162 node.miningPool = miningpool.NewMiningPool(chain, accounts, txPool, newBlockCh)
164 node.BaseService = *cmn.NewBaseService(nil, "Node", node)
169 // newPoolTxListener listener transaction from txPool, and send it to syncManager and wallet
170 func newPoolTxListener(txPool *protocol.TxPool, syncManager *netsync.SyncManager, wallet *w.Wallet, notificationMgr *websocket.WSNotificationManager) {
171 txMsgCh := txPool.GetMsgCh()
172 syncManagerTxCh := syncManager.GetNewTxCh()
177 case protocol.MsgNewTx:
178 syncManagerTxCh <- msg.Tx
180 wallet.AddUnconfirmedTx(msg.TxDesc)
182 notificationMgr.NotifyMempoolTx(msg.Tx)
183 case protocol.MsgRemoveTx:
185 wallet.RemoveUnconfirmedTx(msg.TxDesc)
188 log.Warn("got unknow message type from the txPool channel")
193 // Lock data directory after daemonization
194 func lockDataDirectory(config *cfg.Config) error {
195 _, _, err := flock.New(filepath.Join(config.RootDir, "LOCK"))
197 return errors.New("datadir already used by another process")
202 func initActiveNetParams(config *cfg.Config) {
204 consensus.ActiveNetParams, exist = consensus.NetParams[config.ChainID]
206 cmn.Exit(cmn.Fmt("chain_id[%v] don't exist", config.ChainID))
208 var federationRedeemXPubs []chainkd.XPub
209 if fedpegXPubs := strings.Split(config.Side.FedpegXPubs, ","); len(fedpegXPubs) > 0 {
210 for _, xpubStr := range fedpegXPubs {
211 var xpub chainkd.XPub
212 xpub.UnmarshalText([]byte(xpubStr))
213 federationRedeemXPubs = append(federationRedeemXPubs, xpub)
217 var signBlockXPubs []chainkd.XPub
218 if xPubs := strings.Split(config.Side.SignBlockXPubs, ","); len(xPubs) > 0 {
219 for _, xpubStr := range xPubs {
220 var xpub chainkd.XPub
221 xpub.UnmarshalText([]byte(xpubStr))
222 signBlockXPubs = append(signBlockXPubs, xpub)
226 consensus.ActiveNetParams.Signer = config.Signer
227 consensus.ActiveNetParams.FedpegXPubs = federationRedeemXPubs
228 consensus.ActiveNetParams.SignBlockXPubs = signBlockXPubs
229 consensus.ActiveNetParams.PeginMinDepth = config.Side.PeginMinDepth
230 consensus.ActiveNetParams.ParentGenesisBlockHash = config.Side.ParentGenesisBlockHash
233 func initLogFile(config *cfg.Config) {
234 if config.LogFile == "" {
237 cmn.EnsureDir(filepath.Dir(config.LogFile), 0700)
238 file, err := os.OpenFile(config.LogFile, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
242 log.WithField("err", err).Info("using default")
247 func initCommonConfig(config *cfg.Config) {
248 cfg.CommonConfig = config
251 // Lanch web broser or not
252 func launchWebBrowser(port string) {
253 webAddress := webHost + ":" + port
254 log.Info("Launching System Browser with :", webAddress)
255 if err := browser.Open(webAddress); err != nil {
256 log.Error(err.Error())
261 func (n *Node) initAndstartApiServer() {
262 n.api = api.NewAPI(n.syncManager, n.wallet, n.txfeed, n.cpuMiner, n.miningPool, n.chain, n.config, n.accessTokens, n.newBlockCh, n.notificationMgr)
264 listenAddr := env.String("LISTEN", n.config.ApiAddress)
266 n.api.StartServer(*listenAddr)
269 func (n *Node) OnStart() error {
271 if _, err := n.wallet.AccountMgr.GetMiningAddress(); err != nil {
272 n.miningEnable = false
278 if !n.config.VaultMode {
279 n.syncManager.Start()
281 n.initAndstartApiServer()
282 n.notificationMgr.Start()
283 if !n.config.Web.Closed {
284 _, port, err := net.SplitHostPort(n.config.ApiAddress)
286 log.Error("Invalid api address")
289 launchWebBrowser(port)
295 func (n *Node) OnStop() {
296 n.notificationMgr.Shutdown()
297 n.notificationMgr.WaitForShutdown()
298 n.BaseService.OnStop()
302 if !n.config.VaultMode {
307 func (n *Node) RunForever() {
308 // Sleep forever and then...
309 cmn.TrapSignal(func() {
314 func (n *Node) SyncManager() *netsync.SyncManager {
318 func (n *Node) MiningPool() *miningpool.MiningPool {
322 /**bytomdRPCCheck Check if bytomd connection via RPC is correctly working*/
323 func bytomdRPCCheck() bool {
325 BlockHeight uint64 `json:"block_height"`
327 if util.ValidatePegin {
329 resp, err := util.CallRPC("/get-block-header", &Req{BlockHeight: 0})
331 log.Error("Call mainchain interface get-block-header failed")
332 time.Sleep(time.Millisecond * 1000)
335 tmp, _ := json.Marshal(resp)
336 var blockHeader api.GetBlockHeaderResp
337 json.Unmarshal(tmp, &blockHeader)
338 hash := blockHeader.BlockHeader.Hash()
339 if strings.Compare(consensus.ActiveNetParams.ParentGenesisBlockHash, hash.String()) != 0 {
340 log.Error("Invalid parent genesis block hash response via RPC. Contacting wrong parent daemon?")