lncli: Add max_value_in_flight flag to openchannel

cmd/lncli/cmd_open_channel.go

@@ -163,6 +163,11 @@ var openChannelCommand = cli.Command{
 				"as a base and add the new channel output to " +
 				"it instead of creating a new, empty one.",
 		},
+		cli.Uint64Flag{
+			Name: "remote_max_value_in_flight_msat",
+			Usage: "(optional) the maximum value in msat that " +
+				"can be pending within the channel at any given time",
+		},
 	},
 	Action: actionDecorator(openChannel),
 }
@@ -191,6 +196,7 @@ func openChannel(ctx *cli.Context) error {
 		MinConfs:                   minConfs,
 		SpendUnconfirmed:           minConfs == 0,
 		CloseAddress:               ctx.String("close_address"),
+		RemoteMaxValueInFlightMsat: ctx.Uint64("remote_max_value_in_flight_msat"),
 	}
 
 	switch {