/// A monitor event that the Channel's commitment transaction was confirmed.
CommitmentTxConfirmed(OutPoint),
+
+ /// Indicates a [`ChannelMonitor`] update has completed. See
+ /// [`ChannelMonitorUpdateErr::TemporaryFailure`] for more information on how this is used.
+ ///
+ /// [`ChannelMonitorUpdateErr::TemporaryFailure`]: super::ChannelMonitorUpdateErr::TemporaryFailure
+ UpdateCompleted {
+ /// The funding outpoint of the [`ChannelMonitor`] that was updated
+ funding_txo: OutPoint,
+ /// The Update ID from [`ChannelMonitorUpdate::update_id`] which was applied or
+ /// [`ChannelMonitor::get_latest_update_id`].
+ ///
+ /// Note that this should only be set to a given update's ID if all previous updates for the
+ /// same [`ChannelMonitor`] have been applied and persisted.
+ monitor_update_id: u64,
+ },
}
-impl_writeable_tlv_based_enum_upgradable!(MonitorEvent, ;
+impl_writeable_tlv_based_enum_upgradable!(MonitorEvent,
+ // Note that UpdateCompleted is currently never serialized to disk as it is generated only in ChainMonitor
+ (0, UpdateCompleted) => {
+ (0, funding_txo, required),
+ (2, monitor_update_id, required),
+ },
+;
(2, HTLCEvent),
(4, CommitmentTxConfirmed),
);
writer.write_all(&payment_preimage.0[..])?;
}
- writer.write_all(&byte_utils::be64_to_array(self.pending_monitor_events.len() as u64))?;
+ writer.write_all(&(self.pending_monitor_events.iter().filter(|ev| match ev {
+ MonitorEvent::HTLCEvent(_) => true,
+ MonitorEvent::CommitmentTxConfirmed(_) => true,
+ _ => false,
+ }).count() as u64).to_be_bytes())?;
for event in self.pending_monitor_events.iter() {
match event {
MonitorEvent::HTLCEvent(upd) => {
0u8.write(writer)?;
upd.write(writer)?;
},
- MonitorEvent::CommitmentTxConfirmed(_) => 1u8.write(writer)?
+ MonitorEvent::CommitmentTxConfirmed(_) => 1u8.write(writer)?,
+ _ => {}, // Covered in the TLV writes below
}
}