funding+server.go: modify notifications to pass through server

This modifies the various channelnotifier notification functions
to instead hit the server and then call the notification routine.
This allows us to accurately modify the server's maps.

funding/manager_test.go

@@ -231,17 +231,30 @@ type mockChanEvent struct {
 	pendingOpenEvent chan channelnotifier.PendingOpenChannelEvent
 }
 
-func (m *mockChanEvent) NotifyOpenChannelEvent(outpoint wire.OutPoint) {
+func (m *mockChanEvent) NotifyOpenChannelEvent(outpoint wire.OutPoint,
+	remotePub *btcec.PublicKey) error {
+
 	m.openEvent <- outpoint
+
+	return nil
 }
 
 func (m *mockChanEvent) NotifyPendingOpenChannelEvent(outpoint wire.OutPoint,
-	pendingChannel *channeldb.OpenChannel) {
+	pendingChannel *channeldb.OpenChannel,
+	remotePub *btcec.PublicKey) error {
 
 	m.pendingOpenEvent <- channelnotifier.PendingOpenChannelEvent{
 		ChannelPoint:   &outpoint,
 		PendingChannel: pendingChannel,
 	}
+
+	return nil
+}
+
+func (m *mockChanEvent) NotifyFundingTimeout(outpoint wire.OutPoint,
+	remotePub *btcec.PublicKey) error {
+
+	return nil
 }
 
 // mockZeroConfAcceptor always accepts the channel open request for zero-conf
@@ -550,6 +563,7 @@ func createTestFundingManager(t *testing.T, privKey *btcec.PrivateKey,
 		NotifyOpenChannelEvent:        evt.NotifyOpenChannelEvent,
 		OpenChannelPredicate:          chainedAcceptor,
 		NotifyPendingOpenChannelEvent: evt.NotifyPendingOpenChannelEvent,
+		NotifyFundingTimeout:          evt.NotifyFundingTimeout,
 		DeleteAliasEdge: func(scid lnwire.ShortChannelID) (
 			*models.ChannelEdgePolicy, error) {