P2P:support circuit config

config/config.go

@@ -91,6 +91,7 @@ type Config struct {
 	Whitelist      []string `long:"whitelist" description:"Add an IP network or IP,PeerID that will not be banned or ignore dual channel mode detection. (eg. 192.168.1.0/24 or ::1 or [peer id])"`
 	Blacklist      []string `long:"blacklist" description:"Add some IP network or IP that will be banned. (eg. 192.168.1.0/24 or ::1)"`
 	MaxBadResp     int      `long:"maxbadresp" description:"maxbadresp is the maximum number of bad responses from a peer before we stop talking to it."`
+	Circuit        bool     `long:"circuit" description:"All peers will ignore dual channel mode detection"`
 }
 
 func (c *Config) GetMinningAddrs() []types.Address {

p2p/common/config.go

@@ -47,4 +47,5 @@ type Config struct {
 	Banning        bool // Open or not ban module
 	DisableListen  bool
 	LANPeers       []string
+	IsCircuit      bool
 }

p2p/service.go

@@ -626,6 +626,7 @@ func NewService(cfg *config.Config, events *event.Feed, param *params.Params) (*
 			Banning:              cfg.Banning,
 			DisableListen:        cfg.DisableListen,
 			LANPeers:             lanPeers,
+			IsCircuit:            cfg.Circuit,
 		},
 		ctx:           ctx,
 		cancel:        cancel,

p2p/synch/handshake.go

@@ -203,16 +203,18 @@ func (s *Sync) bidirectionalChannelCapacity(pe *peers.Peer, conn network.Conn) b
 		pe.SetBidChanCap(time.Now())
 		return true
 	}
+	if s.p2p.Config().IsCircuit || s.IsWhitePeer(pe.GetID()) {
+		pe.SetBidChanCap(time.Now())
+		return true
+	}
+
 	bidChanLife := pe.GetBidChanCap()
 	if !bidChanLife.IsZero() {
 		if time.Since(bidChanLife) < timeForBidirChanLife {
 			return true
 		}
 	}
-	if s.IsWhitePeer(pe.GetID()) {
-		pe.SetBidChanCap(time.Time{})
-		return true
-	}
+
 	//
 	peAddr := conn.RemoteMultiaddr()
 	ipAddr := ""