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/errors"
17 "github.com/vapor/event"
18 "github.com/vapor/netsync/chainmgr"
19 "github.com/vapor/netsync/consensusmgr"
20 "github.com/vapor/netsync/peers"
21 "github.com/vapor/p2p"
22 "github.com/vapor/p2p/discover/dht"
23 "github.com/vapor/p2p/discover/mdns"
24 "github.com/vapor/p2p/signlib"
25 "github.com/vapor/test/mock"
26 "github.com/vapor/toolbar/precog/config"
33 nodeCfg *vaporCfg.Config
38 // discvMap maps a node's public key to the node itself
39 discvMap map[string]*dht.Node
44 func NewMonitor(cfg *config.Config, db *gorm.DB) *monitor {
45 dbPath, err := makePath()
47 log.WithFields(log.Fields{"err": err}).Fatal("makePath")
50 nodeCfg := &vaporCfg.Config{
51 BaseConfig: vaporCfg.DefaultBaseConfig(),
52 P2P: vaporCfg.DefaultP2PConfig(),
53 Federation: vaporCfg.DefaultFederationConfig(),
55 nodeCfg.DBPath = dbPath
56 nodeCfg.ChainID = "mainnet"
57 privKey, err := signlib.NewPrivKey()
59 log.WithFields(log.Fields{"err": err}).Fatal("NewPrivKey")
62 chain, txPool, err := mockChainAndPool()
64 log.WithFields(log.Fields{"err": err}).Fatal("mockChainAndPool")
68 RWMutex: &sync.RWMutex{},
72 privKey: privKey.(chainkd.XPrv),
75 discvMap: make(map[string]*dht.Node),
76 bestHeightSeen: uint64(0),
80 func makePath() (string, error) {
81 usr, err := user.Current()
86 dataPath := usr.HomeDir + "/.vapor/precog"
87 if err := os.MkdirAll(dataPath, os.ModePerm); err != nil {
94 func (m *monitor) Run() {
96 for _, node := range m.cfg.Nodes {
97 seeds = append(seeds, fmt.Sprintf("%s:%d", node.IP, node.Port))
98 if err := m.upSertNode(&node); err != nil {
99 log.WithFields(log.Fields{"node": node, "err": err}).Error("upSertNode")
102 m.nodeCfg.P2P.Seeds = strings.Join(seeds, ",")
103 if err := m.makeSwitch(); err != nil {
104 log.WithFields(log.Fields{"err": err}).Fatal("makeSwitch")
107 go m.discoveryRoutine()
108 go m.connectionRoutine()
111 func (m *monitor) makeSwitch() error {
112 l, listenAddr := p2p.GetListener(m.nodeCfg.P2P)
113 discv, err := dht.NewDiscover(m.nodeCfg, m.privKey, l.ExternalAddress().Port, m.cfg.NetworkID)
118 // no need for lanDiscv, but passing &mdns.LANDiscover{} will cause NilPointer
119 lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
120 m.sw, err = p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
125 m.peers = peers.NewPeerSet(m.sw)
126 return m.prepareReactors(m.peers)
129 func (m *monitor) prepareReactors(peers *peers.PeerSet) error {
130 dispatcher := event.NewDispatcher()
131 // add ConsensusReactor for consensusChannel
132 _ = consensusmgr.NewManager(m.sw, m.chain, peers, dispatcher)
133 fastSyncDB := dbm.NewDB("fastsync", m.nodeCfg.DBBackend, m.nodeCfg.DBDir())
134 // add ProtocolReactor to handle msgs
135 if _, err := chainmgr.NewManager(m.nodeCfg, m.sw, m.chain, m.txPool, dispatcher, peers, fastSyncDB); err != nil {
139 for label, reactor := range m.sw.GetReactors() {
140 log.WithFields(log.Fields{"label": label, "reactor": reactor}).Debug("start reactor")
141 if _, err := reactor.Start(); err != nil {
146 m.sw.GetSecurity().RegisterFilter(m.sw.GetNodeInfo())
147 m.sw.GetSecurity().RegisterFilter(m.sw.GetPeers())
148 return m.sw.GetSecurity().Start()