config+server+lnd_test: expose chan status manager config options

Exposes the three parameters that dictate
the behavior of the channel status manager:
 * --chan-enable-timeout
 * --chan-disable-timeout
 * --chan-status-sample-interval

config.go

@@ -50,7 +50,9 @@ const (
 	defaultMaxPendingChannels       = 1
 	defaultNoSeedBackup             = false
 	defaultTrickleDelay             = 90 * 1000
-	defaultInactiveChanTimeout = 20 * time.Minute
+	defaultChanStatusSampleInterval = time.Minute
+	defaultChanEnableTimeout        = 19 * time.Minute
+	defaultChanDisableTimeout       = 20 * time.Minute
 	defaultMaxLogFiles              = 3
 	defaultMaxLogFileSize           = 10
 	defaultMinBackoff               = time.Second
@@ -235,7 +237,9 @@ type config struct {
 	NoSeedBackup bool `long:"noseedbackup" description:"If true, NO SEED WILL BE EXPOSED AND THE WALLET WILL BE ENCRYPTED USING THE DEFAULT PASSPHRASE -- EVER. THIS FLAG IS ONLY FOR TESTING AND IS BEING DEPRECATED."`
 
 	TrickleDelay             int           `long:"trickledelay" description:"Time in milliseconds between each release of announcements to the network"`
-	InactiveChanTimeout time.Duration `long:"inactivechantimeout" description:"If a channel has been inactive for the set time, send a ChannelUpdate disabling it."`
+	ChanEnableTimeout        time.Duration `long:"chan-enable-timeout" description:"The duration that a peer connection must be stable before attempting to send a channel update to reenable or cancel a pending disables of the peer's channels on the network (default: 19m)."`
+	ChanDisableTimeout       time.Duration `long:"chan-disable-timeout" description:"The duration that must elapse after first detecting that an already active channel is actually inactive and sending channel update disabling it to the network. The pending disable can be canceled if the peer reconnects and becomes stable for chan-enable-timeout before the disable update is sent. (default: 20m)"`
+	ChanStatusSampleInterval time.Duration `long:"chan-status-sample-interval" description:"The polling interval between attempts to detect if an active channel has become inactive due to its peer going offline. (default: 1m)"`
 
 	Alias       string `long:"alias" description:"The node alias. Used as a moniker by peers and intelligence services"`
 	Color       string `long:"color" description:"The color of the node in hex format (i.e. '#3399FF'). Used to customize node appearance in intelligence services"`
@@ -318,7 +322,9 @@ func loadConfig() (*config, error) {
 			},
 		},
 		TrickleDelay:             defaultTrickleDelay,
-		InactiveChanTimeout: defaultInactiveChanTimeout,
+		ChanStatusSampleInterval: defaultChanStatusSampleInterval,
+		ChanEnableTimeout:        defaultChanEnableTimeout,
+		ChanDisableTimeout:       defaultChanDisableTimeout,
 		Alias:                    defaultAlias,
 		Color:                    defaultColor,
 		MinChanSize:              int64(minChanFundingSize),

lnd_test.go

@@ -12755,7 +12755,7 @@ func testSendUpdateDisableChannel(net *lntest.NetworkHarness, t *harnessTest) {
 	// We create a new node Eve that has an inactive channel timeout of
 	// just 2 seconds (down from the default 20m). It will be used to test
 	// channel updates for channels going inactive.
-	eve, err := net.NewNode("Eve", []string{"--inactivechantimeout=2s"})
+	eve, err := net.NewNode("Eve", []string{"--chan-disable-timeout=2s"})
 	if err != nil {
 		t.Fatalf("unable to create eve's node: %v", err)
 	}

server.go

@@ -3105,7 +3105,7 @@ func (s *server) watchChannelStatus() {
 	status := make(map[wire.OutPoint]activeStatus)
 
 	// We'll check in on the channel statuses every 1/4 of the timeout.
-	unchangedTimeout := cfg.InactiveChanTimeout
+	unchangedTimeout := cfg.ChanDisableTimeout
 	tickerTimeout := unchangedTimeout / 4
 
 	if unchangedTimeout == 0 || tickerTimeout == 0 {