fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
let mut ser = VecWriter(Vec::new());
monitor.write(&mut ser).unwrap();
fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
let mut ser = VecWriter(Vec::new());
monitor.write(&mut ser).unwrap();