fundingmanager: inform ChannelNotifier about newly open channels.

fundingmanager.go

@@ -333,6 +333,10 @@ type fundingConfig struct {
 	// flood us with very small channels that would never really be usable
 	// due to fees.
 	MinChanSize btcutil.Amount
+
+	// NotifyOpenChannelEvent informs the ChannelNotifier when channels
+	// transition from pending open to open.
+	NotifyOpenChannelEvent func(wire.OutPoint)
 }
 
 // fundingManager acts as an orchestrator/bridge between the wallet's
@@ -1939,6 +1943,10 @@ func (f *fundingManager) waitForFundingConfirmation(completeChan *channeldb.Open
 		return
 	}
 
+	// Inform the ChannelNotifier that the channel has transitioned from
+	// pending open to open.
+	f.cfg.NotifyOpenChannelEvent(completeChan.FundingOutpoint)
+
 	// TODO(roasbeef): ideally persistent state update for chan above
 	// should be abstracted
 

fundingmanager_test.go

@@ -353,8 +353,9 @@ func createTestFundingManager(t *testing.T, privKey *btcec.PrivateKey,
 			publTxChan <- txn
 			return nil
 		},
-		ZombieSweeperInterval: 1 * time.Hour,
-		ReservationTimeout:    1 * time.Nanosecond,
+		ZombieSweeperInterval:  1 * time.Hour,
+		ReservationTimeout:     1 * time.Nanosecond,
+		NotifyOpenChannelEvent: func(wire.OutPoint) {},
 	})
 	if err != nil {
 		t.Fatalf("failed creating fundingManager: %v", err)

server.go

@@ -927,9 +927,10 @@ func newServer(listenAddrs []net.Addr, chanDB *channeldb.DB, cc *chainControl,
 			// channel bandwidth.
 			return uint16(input.MaxHTLCNumber / 2)
 		},
-		ZombieSweeperInterval: 1 * time.Minute,
-		ReservationTimeout:    10 * time.Minute,
-		MinChanSize:           btcutil.Amount(cfg.MinChanSize),
+		ZombieSweeperInterval:  1 * time.Minute,
+		ReservationTimeout:     10 * time.Minute,
+		MinChanSize:            btcutil.Amount(cfg.MinChanSize),
+		NotifyOpenChannelEvent: s.channelNotifier.NotifyOpenChannelEvent,
 	})
 	if err != nil {
 		return nil, err