Update fee after channel becomes active

Author: rkfg

htlcswitch/link.go

@@ -533,7 +533,9 @@ func (l *channelLink) Start() error {
 		}()
 	}
 
-	l.updateFeeTimer = time.NewTimer(l.randomFeeUpdateTimeout())
+	// this timer will fire in one minute after the channel is ready
+	// and it will reset to a random interval after that
+	l.updateFeeTimer = time.NewTimer(time.Minute)
 
 	l.wg.Add(1)
 	go l.htlcManager()

htlcswitch/link_test.go

@@ -856,6 +856,10 @@ func TestChannelLinkCancelFullCommitment(t *testing.T) {
 	n := newTwoHopNetwork(
 		t, channels.aliceToBob, channels.bobToAlice, testStartingHeight,
 	)
+	// This test takes a long time to finish and the link breaks if the fee
+	// update times out during it, blocking the test indefinitely
+	n.aliceChannelLink.updateFeeTimer.Reset(time.Minute * 10)
+	n.bobChannelLink.updateFeeTimer.Reset(time.Minute * 10)
 
 	// Fill up the commitment from Alice's side with 20 sat payments.
 	count := (input.MaxHTLCNumber / 2)