Merge pull request #1108 from karalabe/fine-seeding

Fine tune seeder and p2p peer handling

eth/backend.go

@@ -72,6 +72,7 @@ type Config struct {
 
 	MaxPeers        int
 	MaxPendingPeers int
+	Discovery       bool
 	Port            string
 
 	// Space-separated list of discovery node URLs
@@ -311,6 +312,7 @@ func New(config *Config) (*Ethereum, error) {
 		Name:            config.Name,
 		MaxPeers:        config.MaxPeers,
 		MaxPendingPeers: config.MaxPendingPeers,
+		Discovery:       config.Discovery,
 		Protocols:       protocols,
 		NAT:             config.NAT,
 		NoDial:          !config.Dial,
@@ -449,14 +451,10 @@ func (s *Ethereum) Start() error {
 		ClientString:    s.net.Name,
 		ProtocolVersion: ProtocolVersion,
 	})
-
-	if s.net.MaxPeers > 0 {
-		err := s.net.Start()
-		if err != nil {
-			return err
-		}
+	err := s.net.Start()
+	if err != nil {
+		return err
 	}
-
 	// periodically flush databases
 	go s.syncDatabases()