10 "github.com/jinzhu/gorm"
11 log "github.com/sirupsen/logrus"
13 vaporCfg "github.com/vapor/config"
14 "github.com/vapor/crypto/ed25519/chainkd"
15 dbm "github.com/vapor/database/leveldb"
16 "github.com/vapor/event"
17 "github.com/vapor/netsync/chainmgr"
18 "github.com/vapor/netsync/consensusmgr"
19 "github.com/vapor/netsync/peers"
20 "github.com/vapor/p2p"
21 "github.com/vapor/p2p/discover/dht"
22 "github.com/vapor/p2p/discover/mdns"
23 "github.com/vapor/p2p/signlib"
24 "github.com/vapor/test/mock"
25 "github.com/vapor/toolbar/precognitive/config"
31 nodeCfg *vaporCfg.Config
40 func NewMonitor(cfg *config.Config, db *gorm.DB) *monitor {
41 dbPath, err := makePath()
43 log.WithFields(log.Fields{"err": err}).Fatal("makePath")
46 nodeCfg := &vaporCfg.Config{
47 BaseConfig: vaporCfg.DefaultBaseConfig(),
48 P2P: vaporCfg.DefaultP2PConfig(),
49 Federation: vaporCfg.DefaultFederationConfig(),
51 nodeCfg.DBPath = dbPath
52 nodeCfg.ChainID = "mainnet"
53 privKey, err := signlib.NewPrivKey()
55 log.WithFields(log.Fields{"err": err}).Fatal("NewPrivKey")
58 chain, txPool, err := mockChainAndPool()
60 log.WithFields(log.Fields{"err": err}).Fatal("mockChainAndPool")
67 privKey: privKey.(chainkd.XPrv),
70 bestHeightSeen: uint64(0),
74 func makePath() (string, error) {
75 usr, err := user.Current()
80 dataPath := path.Join(usr.HomeDir, "/.vapor_precog")
81 if err := os.MkdirAll(dataPath, os.ModePerm); err != nil {
88 func (m *monitor) Run() {
89 if err := m.makeSwitch(); err != nil {
90 log.WithFields(log.Fields{"err": err}).Fatal("makeSwitch")
93 go m.discoveryRoutine()
94 go m.connectionRoutine()
97 func (m *monitor) makeSwitch() error {
99 for _, node := range m.cfg.Nodes {
100 seeds = append(seeds, fmt.Sprintf("%s:%d", node.IP, node.Port))
102 m.nodeCfg.P2P.Seeds = strings.Join(seeds, ",")
104 l, listenAddr := p2p.GetListener(m.nodeCfg.P2P)
105 discv, err := dht.NewDiscover(m.nodeCfg, m.privKey, l.ExternalAddress().Port, m.cfg.NetworkID)
110 // no need for lanDiscv, but passing &mdns.LANDiscover{} will cause NilPointer
111 lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
112 m.sw, err = p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
117 m.peers = peers.NewPeerSet(m.sw)
118 return m.prepareReactors()
121 func (m *monitor) prepareReactors() error {
122 dispatcher := event.NewDispatcher()
123 // add ConsensusReactor for consensusChannel
124 _ = consensusmgr.NewManager(m.sw, m.chain, m.peers, dispatcher)
125 fastSyncDB := dbm.NewDB("fastsync", m.nodeCfg.DBBackend, m.nodeCfg.DBDir())
126 // add ProtocolReactor to handle msgs
127 if _, err := chainmgr.NewManager(m.nodeCfg, m.sw, m.chain, m.txPool, dispatcher, m.peers, fastSyncDB); err != nil {
131 for label, reactor := range m.sw.GetReactors() {
132 log.WithFields(log.Fields{"label": label, "reactor": reactor}).Debug("start reactor")
133 if _, err := reactor.Start(); err != nil {
138 m.sw.GetSecurity().RegisterFilter(m.sw.GetNodeInfo())
139 m.sw.GetSecurity().RegisterFilter(m.sw.GetPeers())
140 return m.sw.GetSecurity().Start()