13 "github.com/jinzhu/gorm"
14 log "github.com/sirupsen/logrus"
15 // dbm "github.com/vapor/database/leveldb"
17 vaporCfg "github.com/vapor/config"
18 "github.com/vapor/crypto/ed25519/chainkd"
19 dbm "github.com/vapor/database/leveldb"
20 "github.com/vapor/event"
21 "github.com/vapor/p2p"
22 // conn "github.com/vapor/p2p/connection"
23 "github.com/vapor/netsync/chainmgr"
24 "github.com/vapor/netsync/consensusmgr"
25 "github.com/vapor/netsync/peers"
26 "github.com/vapor/p2p/discover/dht"
27 "github.com/vapor/p2p/discover/mdns"
28 "github.com/vapor/p2p/signlib"
29 "github.com/vapor/test/mock"
30 "github.com/vapor/toolbar/precog/config"
36 nodeCfg *vaporCfg.Config
38 discvCh chan *dht.Node
44 // TODO: set myself as SPV?
45 func NewMonitor(cfg *config.Config, db *gorm.DB) *monitor {
47 cfg.CheckFreqSeconds = 1
50 tmpDir, err := ioutil.TempDir(".", "vpPrecog")
52 log.Fatalf("failed to create temporary data folder: %v", err)
55 nodeCfg := &vaporCfg.Config{
56 BaseConfig: vaporCfg.DefaultBaseConfig(),
57 P2P: vaporCfg.DefaultP2PConfig(),
58 Federation: vaporCfg.DefaultFederationConfig(),
60 nodeCfg.DBPath = tmpDir
61 nodeCfg.ChainID = "mainnet"
62 discvCh := make(chan *dht.Node)
63 privKey, err := signlib.NewPrivKey()
68 chain, txPool, err := mockChainAndPool()
78 privKey: privKey.(chainkd.XPrv),
84 func (m *monitor) Run() {
85 defer os.RemoveAll(m.nodeCfg.DBPath)
88 for _, node := range m.cfg.Nodes {
89 seeds = append(seeds, fmt.Sprintf("%s:%d", node.Host, node.Port))
90 if err := m.upSertNode(&node); err != nil {
94 m.nodeCfg.P2P.Seeds = strings.Join(seeds, ",")
95 if err := m.makeSwitch(); err != nil {
99 go m.discoveryRoutine()
100 go m.collectDiscoveredNodes()
101 go m.connectNodesRoutine()
102 go m.checkStatusRoutine()
105 func (m *monitor) makeSwitch() error {
106 l, listenAddr := p2p.GetListener(m.nodeCfg.P2P)
107 discv, err := dht.NewDiscover(m.nodeCfg, m.privKey, l.ExternalAddress().Port, m.cfg.NetworkID)
112 // no need for lanDiscv, but passing &mdns.LANDiscover{} will cause NilPointer
113 lanDiscv := mdns.NewLANDiscover(mdns.NewProtocol(), int(l.ExternalAddress().Port))
114 sw, err := p2p.NewSwitch(m.nodeCfg, discv, lanDiscv, l, m.privKey, listenAddr, m.cfg.NetworkID)
123 func (m *monitor) prepareReactors(peers *peers.PeerSet) error {
124 dispatcher := event.NewDispatcher()
125 // add ConsensusReactor for consensusChannel
126 _ = consensusmgr.NewManager(m.sw, m.chain, peers, dispatcher)
127 fastSyncDB := dbm.NewDB("fastsync", m.nodeCfg.DBBackend, m.nodeCfg.DBDir())
128 // add ProtocolReactor to handle msgs
129 _, err := chainmgr.NewManager(m.nodeCfg, m.sw, m.chain, m.txPool, dispatcher, peers, fastSyncDB)
134 // TODO: clean up?? only start reactors??
137 // for label, reactor := range m.sw.GetReactors() {
138 // log.Debug("start reactor: (%s:%v)", label, reactor)
139 // if _, err := reactor.Start(); err != nil {
144 // m.sw.GetSecurity().RegisterFilter(m.sw.GetNodeInfo())
145 // m.sw.GetSecurity().RegisterFilter(m.sw.GetPeers())
146 // if err := m.sw.GetSecurity().Start(); err != nil {
153 func (m *monitor) checkStatusRoutine() {
154 peers := peers.NewPeerSet(m.sw)
155 if err := m.prepareReactors(peers); err != nil {
159 ticker := time.NewTicker(time.Duration(m.cfg.CheckFreqSeconds) * time.Second)
160 for ; true; <-ticker.C {
161 for _, reactor := range m.sw.GetReactors() {
162 for _, peer := range m.sw.GetPeers().List() {
163 log.Debug("AddPeer %v for reactor %v", peer, reactor)
164 // TODO: if not in sw
165 reactor.AddPeer(peer)
169 for _, peerInfo := range peers.GetPeerInfos() {