9 log "github.com/sirupsen/logrus"
10 cmn "github.com/tendermint/tmlibs/common"
11 dbm "github.com/tendermint/tmlibs/db"
12 browser "github.com/toqueteos/webbrowser"
14 "github.com/bytom/accesstoken"
15 "github.com/bytom/account"
16 "github.com/bytom/api"
17 "github.com/bytom/asset"
18 "github.com/bytom/blockchain/pseudohsm"
19 "github.com/bytom/blockchain/txfeed"
20 cfg "github.com/bytom/config"
21 "github.com/bytom/crypto/ed25519/chainkd"
22 "github.com/bytom/database/leveldb"
23 "github.com/bytom/env"
24 "github.com/bytom/mining/cpuminer"
25 "github.com/bytom/mining/miningpool"
26 "github.com/bytom/netsync"
27 "github.com/bytom/protocol"
28 "github.com/bytom/protocol/bc"
29 "github.com/bytom/types"
30 w "github.com/bytom/wallet"
34 webAddress = "http://127.0.0.1:9888"
35 expireReservationsPeriod = time.Second
36 maxNewBlockChSize = 1024
45 syncManager *netsync.SyncManager
47 evsw types.EventSwitch // pub/sub for services
48 //bcReactor *bc.BlockchainReactor
50 accessTokens *accesstoken.CredentialStore
53 txfeed *txfeed.Tracker
54 cpuMiner *cpuminer.CPUMiner
55 miningPool *miningpool.MiningPool
59 func NewNode(config *cfg.Config) *Node {
60 ctx := context.Background()
63 txDB := dbm.NewDB("txdb", config.DBBackend, config.DBDir())
64 store := leveldb.NewStore(txDB)
66 tokenDB := dbm.NewDB("accesstoken", config.DBBackend, config.DBDir())
67 accessTokens := accesstoken.NewStore(tokenDB)
70 eventSwitch := types.NewEventSwitch()
71 _, err := eventSwitch.Start()
73 cmn.Exit(cmn.Fmt("Failed to start switch: %v", err))
76 txPool := protocol.NewTxPool()
77 chain, err := protocol.NewChain(store, txPool)
79 cmn.Exit(cmn.Fmt("Failed to create chain structure: %v", err))
82 var accounts *account.Manager = nil
83 var assets *asset.Registry = nil
84 var wallet *w.Wallet = nil
85 var txFeed *txfeed.Tracker = nil
87 txFeedDB := dbm.NewDB("txfeeds", config.DBBackend, config.DBDir())
88 txFeed = txfeed.NewTracker(txFeedDB, chain)
90 if err = txFeed.Prepare(ctx); err != nil {
91 log.WithField("error", err).Error("start txfeed")
95 hsm, err := pseudohsm.New(config.KeysDir())
97 cmn.Exit(cmn.Fmt("initialize HSM failed: %v", err))
100 if !config.Wallet.Disable {
101 walletDB := dbm.NewDB("wallet", config.DBBackend, config.DBDir())
102 accounts = account.NewManager(walletDB, chain)
103 assets = asset.NewRegistry(walletDB, chain)
104 wallet, err = w.NewWallet(walletDB, accounts, assets, hsm, chain)
106 log.WithField("error", err).Error("init NewWallet")
109 if err := initOrRecoverAccount(hsm, wallet); err != nil {
110 log.WithField("error", err).Error("initialize or recover account")
113 // Clean up expired UTXO reservations periodically.
114 go accounts.ExpireReservations(ctx, expireReservationsPeriod)
116 newBlockCh := make(chan *bc.Hash, maxNewBlockChSize)
118 syncManager, _ := netsync.NewSyncManager(config, chain, txPool, newBlockCh)
120 // run the profile server
121 profileHost := config.ProfListenAddress
122 if profileHost != "" {
123 // Profiling bytomd programs.see (https://blog.golang.org/profiling-go-programs)
124 // go tool pprof http://profileHose/debug/pprof/heap
126 http.ListenAndServe(profileHost, nil)
132 syncManager: syncManager,
134 accessTokens: accessTokens,
138 miningEnable: config.Mining,
141 node.cpuMiner = cpuminer.NewCPUMiner(chain, accounts, txPool, newBlockCh)
142 node.miningPool = miningpool.NewMiningPool(chain, accounts, txPool, newBlockCh)
144 node.BaseService = *cmn.NewBaseService(nil, "Node", node)
149 func initOrRecoverAccount(hsm *pseudohsm.HSM, wallet *w.Wallet) error {
150 xpubs := hsm.ListKeys()
153 xpub, err := hsm.XCreate("default", "123456")
158 wallet.AccountMgr.Create(nil, []chainkd.XPub{xpub.XPub}, 1, "default")
162 accounts, err := wallet.AccountMgr.ListAccounts("")
167 if len(accounts) > 0 {
171 for i, xPub := range xpubs {
172 if err := wallet.ImportAccountXpubKey(i, xPub, w.RecoveryIndex); err != nil {
179 // Lanch web broser or not
180 func lanchWebBroser() {
181 log.Info("Launching System Browser with :", webAddress)
182 if err := browser.Open(webAddress); err != nil {
183 log.Error(err.Error())
188 func (n *Node) initAndstartApiServer() {
189 n.api = api.NewAPI(n.syncManager, n.wallet, n.txfeed, n.cpuMiner, n.miningPool, n.chain, n.config, n.accessTokens)
191 listenAddr := env.String("LISTEN", n.config.ApiAddress)
193 n.api.StartServer(*listenAddr)
196 func (n *Node) OnStart() error {
200 n.syncManager.Start()
201 n.initAndstartApiServer()
202 if !n.config.Web.Closed {
209 func (n *Node) OnStop() {
210 n.BaseService.OnStop()
215 log.Info("Stopping Node")
216 // TODO: gracefully disconnect from peers.
219 func (n *Node) RunForever() {
220 // Sleep forever and then...
221 cmn.TrapSignal(func() {
226 func (n *Node) EventSwitch() types.EventSwitch {
230 func (n *Node) SyncManager() *netsync.SyncManager {
234 func (n *Node) MiningPool() *miningpool.MiningPool {
238 //------------------------------------------------------------------------------