//! events. The remote server would make use of [`ChainMonitor`] for block processing and for
//! servicing [`ChannelMonitor`] updates from the client.
-use bitcoin::blockdata::block::{Block, BlockHeader};
+use bitcoin::blockdata::block::BlockHeader;
use bitcoin::hash_types::Txid;
use chain;
persister: P,
/// "User-provided" (ie persistence-completion/-failed) [`MonitorEvent`]s. These came directly
/// from the user and not from a [`ChannelMonitor`].
- pending_monitor_events: Mutex<Vec<MonitorEvent>>,
+ pending_monitor_events: Mutex<Vec<(OutPoint, Vec<MonitorEvent>)>>,
/// The best block height seen, used as a proxy for the passage of time.
highest_chain_height: AtomicUsize,
}
log_trace!(self.logger, "Finished syncing Channel Monitor for channel {}", log_funding_info!(monitor)),
Err(ChannelMonitorUpdateErr::PermanentFailure) => {
monitor_state.channel_perm_failed.store(true, Ordering::Release);
- self.pending_monitor_events.lock().unwrap().push(MonitorEvent::UpdateFailed(*funding_outpoint));
+ self.pending_monitor_events.lock().unwrap().push((*funding_outpoint, vec![MonitorEvent::UpdateFailed(*funding_outpoint)]));
},
Err(ChannelMonitorUpdateErr::TemporaryFailure) => {
log_debug!(self.logger, "Channel Monitor sync for channel {} in progress, holding events until completion!", log_funding_info!(monitor));
// UpdateCompleted event.
return Ok(());
}
- self.pending_monitor_events.lock().unwrap().push(MonitorEvent::UpdateCompleted {
+ self.pending_monitor_events.lock().unwrap().push((funding_txo, vec![MonitorEvent::UpdateCompleted {
funding_txo,
monitor_update_id: monitor_data.monitor.get_latest_update_id(),
- });
+ }]));
},
MonitorUpdateId { contents: UpdateOrigin::ChainSync(_) } => {
if !monitor_data.has_pending_chainsync_updates(&pending_monitor_updates) {
/// This wrapper avoids having to update some of our tests for now as they assume the direct
/// chain::Watch API wherein we mark a monitor fully-updated by just calling
/// channel_monitor_updated once with the highest ID.
- #[cfg(any(test, feature = "fuzztarget"))]
+ #[cfg(any(test, fuzzing))]
pub fn force_channel_monitor_updated(&self, funding_txo: OutPoint, monitor_update_id: u64) {
- self.pending_monitor_events.lock().unwrap().push(MonitorEvent::UpdateCompleted {
+ self.pending_monitor_events.lock().unwrap().push((funding_txo, vec![MonitorEvent::UpdateCompleted {
funding_txo,
monitor_update_id,
- });
+ }]));
}
- #[cfg(any(test, feature = "fuzztarget", feature = "_test_utils"))]
+ #[cfg(any(test, fuzzing, feature = "_test_utils"))]
pub fn get_and_clear_pending_events(&self) -> Vec<events::Event> {
use util::events::EventsProvider;
let events = core::cell::RefCell::new(Vec::new());
L::Target: Logger,
P::Target: Persist<ChannelSigner>,
{
- fn block_connected(&self, block: &Block, height: u32) {
- let header = &block.header;
- let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
+ fn filtered_block_connected(&self, header: &BlockHeader, txdata: &TransactionData, height: u32) {
log_debug!(self.logger, "New best block {} at height {} provided via block_connected", header.block_hash(), height);
self.process_chain_data(header, Some(height), &txdata, |monitor, txdata| {
monitor.block_connected(
// We should never ever trigger this from within ChannelManager. Technically a
// user could use this object with some proxying in between which makes this
// possible, but in tests and fuzzing, this should be a panic.
- #[cfg(any(test, feature = "fuzztarget"))]
+ #[cfg(any(test, fuzzing))]
panic!("ChannelManager generated a channel update for a channel that was not yet registered!");
- #[cfg(not(any(test, feature = "fuzztarget")))]
+ #[cfg(not(any(test, fuzzing)))]
Err(ChannelMonitorUpdateErr::PermanentFailure)
},
Some(monitor_state) => {
}
}
- fn release_pending_monitor_events(&self) -> Vec<MonitorEvent> {
+ fn release_pending_monitor_events(&self) -> Vec<(OutPoint, Vec<MonitorEvent>)> {
let mut pending_monitor_events = self.pending_monitor_events.lock().unwrap().split_off(0);
for monitor_state in self.monitors.read().unwrap().values() {
let is_pending_monitor_update = monitor_state.has_pending_chainsync_updates(&monitor_state.pending_monitor_updates.lock().unwrap());
log_error!(self.logger, " To avoid funds-loss, we are allowing monitor updates to be released.");
log_error!(self.logger, " This may cause duplicate payment events to be generated.");
}
- pending_monitor_events.append(&mut monitor_state.monitor.get_and_clear_pending_monitor_events());
+ let monitor_events = monitor_state.monitor.get_and_clear_pending_monitor_events();
+ if monitor_events.len() > 0 {
+ let monitor_outpoint = monitor_state.monitor.get_funding_txo().0;
+ pending_monitor_events.push((monitor_outpoint, monitor_events));
+ }
}
}
pending_monitor_events
mod tests {
use bitcoin::BlockHeader;
use ::{check_added_monitors, check_closed_broadcast, check_closed_event};
- use ::{expect_payment_sent, expect_payment_sent_without_paths, expect_payment_path_successful, get_event_msg};
+ use ::{expect_payment_sent, expect_payment_claimed, expect_payment_sent_without_paths, expect_payment_path_successful, get_event_msg};
use ::{get_htlc_update_msgs, get_local_commitment_txn, get_revoke_commit_msgs, get_route_and_payment_hash, unwrap_send_err};
use chain::{ChannelMonitorUpdateErr, Confirm, Watch};
use chain::channelmonitor::LATENCY_GRACE_PERIOD_BLOCKS;
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
// Route two payments to be claimed at the same time.
- let payment_preimage_1 = route_payment(&nodes[0], &[&nodes[1]], 1_000_000).0;
- let payment_preimage_2 = route_payment(&nodes[0], &[&nodes[1]], 1_000_000).0;
+ let (payment_preimage_1, payment_hash_1, _) = route_payment(&nodes[0], &[&nodes[1]], 1_000_000);
+ let (payment_preimage_2, payment_hash_2, _) = route_payment(&nodes[0], &[&nodes[1]], 1_000_000);
chanmon_cfgs[1].persister.offchain_monitor_updates.lock().unwrap().clear();
chanmon_cfgs[1].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.claim_funds(payment_preimage_1);
check_added_monitors!(nodes[1], 1);
+ expect_payment_claimed!(nodes[1], payment_hash_1, 1_000_000);
nodes[1].node.claim_funds(payment_preimage_2);
check_added_monitors!(nodes[1], 1);
+ expect_payment_claimed!(nodes[1], payment_hash_2, 1_000_000);
chanmon_cfgs[1].persister.set_update_ret(Ok(()));
let (route, second_payment_hash, _, second_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
// First route a payment that we will claim on chain and give the recipient the preimage.
- let payment_preimage = route_payment(&nodes[0], &[&nodes[1]], 1_000_000).0;
+ let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 1_000_000);
nodes[1].node.claim_funds(payment_preimage);
+ expect_payment_claimed!(nodes[1], payment_hash, 1_000_000);
nodes[1].node.get_and_clear_pending_msg_events();
check_added_monitors!(nodes[1], 1);
let remote_txn = get_local_commitment_txn!(nodes[1], channel.2);
merkle_root: Default::default() };
nodes[0].chain_monitor.chain_monitor.best_block_updated(&latest_header, nodes[0].best_block_info().1 + LATENCY_GRACE_PERIOD_BLOCKS);
} else {
- for (funding_outpoint, update_ids) in chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().iter() {
+ let persistences = chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clone();
+ for (funding_outpoint, update_ids) in persistences {
for update_id in update_ids {
- nodes[0].chain_monitor.chain_monitor.channel_monitor_updated(*funding_outpoint, *update_id).unwrap();
+ nodes[0].chain_monitor.chain_monitor.channel_monitor_updated(funding_outpoint, update_id).unwrap();
}
}
}
do_chainsync_pauses_events(false);
do_chainsync_pauses_events(true);
}
+
+ #[test]
+ fn update_during_chainsync_fails_channel() {
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+
+ chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clear();
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::PermanentFailure));
+
+ connect_blocks(&nodes[0], 1);
+ // Before processing events, the ChannelManager will still think the Channel is open and
+ // there won't be any ChannelMonitorUpdates
+ assert_eq!(nodes[0].node.list_channels().len(), 1);
+ check_added_monitors!(nodes[0], 0);
+ // ... however once we get events once, the channel will close, creating a channel-closed
+ // ChannelMonitorUpdate.
+ check_closed_broadcast!(nodes[0], true);
+ check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "Failed to persist ChannelMonitor update during chain sync".to_string() });
+ check_added_monitors!(nodes[0], 1);
+ }
}
projects / rust-lightning / blobdiff