use chain;
use chain::{ChannelMonitorUpdateErr, Filter, WatchedOutput};
use chain::chaininterface::{BroadcasterInterface, FeeEstimator};
-use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, Balance, MonitorEvent, TransactionOutputs};
+use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdate, Balance, MonitorEvent, TransactionOutputs, LATENCY_GRACE_PERIOD_BLOCKS};
use chain::transaction::{OutPoint, TransactionData};
use chain::keysinterface::Sign;
use util::atomic_counter::AtomicCounter;
use prelude::*;
use sync::{RwLock, RwLockReadGuard, Mutex, MutexGuard};
use core::ops::Deref;
-use core::sync::atomic::{AtomicBool, Ordering};
+use core::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
#[derive(Clone, Copy, Hash, PartialEq, Eq)]
/// A specific update's ID stored in a `MonitorUpdateId`, separated out to make the contents
/// closed without broadcasting the latest state. See
/// [`ChannelMonitorUpdateErr::PermanentFailure`] for more details.
pub trait Persist<ChannelSigner: Sign> {
- /// Persist a new channel's data. The data can be stored any way you want, but the identifier
- /// provided by LDK is the channel's outpoint (and it is up to you to maintain a correct
- /// mapping between the outpoint and the stored channel data). Note that you **must** persist
- /// every new monitor to disk.
+ /// Persist a new channel's data in response to a [`chain::Watch::watch_channel`] call. This is
+ /// called by [`ChannelManager`] for new channels, or may be called directly, e.g. on startup.
+ ///
+ /// The data can be stored any way you want, but the identifier provided by LDK is the
+ /// channel's outpoint (and it is up to you to maintain a correct mapping between the outpoint
+ /// and the stored channel data). Note that you **must** persist every new monitor to disk.
///
/// The `update_id` is used to identify this call to [`ChainMonitor::channel_monitor_updated`],
/// if you return [`ChannelMonitorUpdateErr::TemporaryFailure`].
/// See [`Writeable::write`] on [`ChannelMonitor`] for writing out a `ChannelMonitor`
/// and [`ChannelMonitorUpdateErr`] for requirements when returning errors.
///
+ /// [`ChannelManager`]: crate::ln::channelmanager::ChannelManager
/// [`Writeable::write`]: crate::util::ser::Writeable::write
fn persist_new_channel(&self, channel_id: OutPoint, data: &ChannelMonitor<ChannelSigner>, update_id: MonitorUpdateId) -> Result<(), ChannelMonitorUpdateErr>;
/// processed the closure event, we set this to true and return PermanentFailure for any other
/// chain::Watch events.
channel_perm_failed: AtomicBool,
+ /// The last block height at which no [`UpdateOrigin::ChainSync`] monitor updates were present
+ /// in `pending_monitor_updates`.
+ /// If it's been more than [`LATENCY_GRACE_PERIOD_BLOCKS`] since we started waiting on a chain
+ /// sync event, we let monitor events return to `ChannelManager` because we cannot hold them up
+ /// forever or we'll end up with HTLC preimages waiting to feed back into an upstream channel
+ /// forever, risking funds loss.
+ last_chain_persist_height: AtomicUsize,
}
impl<ChannelSigner: Sign> MonitorHolder<ChannelSigner> {
/// "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>>,
+ /// The best block height seen, used as a proxy for the passage of time.
+ highest_chain_height: AtomicUsize,
}
impl<ChannelSigner: Sign, C: Deref, T: Deref, F: Deref, L: Deref, P: Deref> ChainMonitor<ChannelSigner, C, T, F, L, P>
/// calls must not exclude any transactions matching the new outputs nor any in-block
/// descendants of such transactions. It is not necessary to re-fetch the block to obtain
/// updated `txdata`.
- fn process_chain_data<FN>(&self, header: &BlockHeader, txdata: &TransactionData, process: FN)
+ ///
+ /// Calls which represent a new blockchain tip height should set `best_height`.
+ fn process_chain_data<FN>(&self, header: &BlockHeader, best_height: Option<u32>, txdata: &TransactionData, process: FN)
where
FN: Fn(&ChannelMonitor<ChannelSigner>, &TransactionData) -> Vec<TransactionOutputs>
{
let mut dependent_txdata = Vec::new();
{
let monitor_states = self.monitors.write().unwrap();
+ if let Some(height) = best_height {
+ // If the best block height is being updated, update highest_chain_height under the
+ // monitors write lock.
+ let old_height = self.highest_chain_height.load(Ordering::Acquire);
+ let new_height = height as usize;
+ if new_height > old_height {
+ self.highest_chain_height.store(new_height, Ordering::Release);
+ }
+ }
+
for (funding_outpoint, monitor_state) in monitor_states.iter() {
let monitor = &monitor_state.monitor;
let mut txn_outputs;
contents: UpdateOrigin::ChainSync(self.sync_persistence_id.get_increment()),
};
let mut pending_monitor_updates = monitor_state.pending_monitor_updates.lock().unwrap();
+ if let Some(height) = best_height {
+ if !monitor_state.has_pending_chainsync_updates(&pending_monitor_updates) {
+ // If there are not ChainSync persists awaiting completion, go ahead and
+ // set last_chain_persist_height here - we wouldn't want the first
+ // TemporaryFailure to always immediately be considered "overly delayed".
+ monitor_state.last_chain_persist_height.store(height as usize, Ordering::Release);
+ }
+ }
log_trace!(self.logger, "Syncing Channel Monitor for channel {}", log_funding_info!(monitor));
match self.persister.update_persisted_channel(*funding_outpoint, &None, monitor, update_id) {
dependent_txdata.sort_unstable_by_key(|(index, _tx)| *index);
dependent_txdata.dedup_by_key(|(index, _tx)| *index);
let txdata: Vec<_> = dependent_txdata.iter().map(|(index, tx)| (*index, tx)).collect();
- self.process_chain_data(header, &txdata, process);
+ self.process_chain_data(header, None, &txdata, process); // We skip the best height the second go-around
}
}
fee_estimator: feeest,
persister,
pending_monitor_events: Mutex::new(Vec::new()),
+ highest_chain_height: AtomicUsize::new(0),
}
}
});
},
MonitorUpdateId { contents: UpdateOrigin::ChainSync(_) } => {
- // We've already done everything we need to, the next time
- // release_pending_monitor_events is called, any events for this ChannelMonitor
- // will be returned if there's no more SyncPersistId events left.
+ if !monitor_data.has_pending_chainsync_updates(&pending_monitor_updates) {
+ monitor_data.last_chain_persist_height.store(self.highest_chain_height.load(Ordering::Acquire), Ordering::Release);
+ // The next time release_pending_monitor_events is called, any events for this
+ // ChannelMonitor will be returned.
+ }
},
}
Ok(())
/// 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 {
funding_txo,
});
}
- #[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());
let header = &block.header;
let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
log_debug!(self.logger, "New best block {} at height {} provided via block_connected", header.block_hash(), height);
- self.process_chain_data(header, &txdata, |monitor, txdata| {
+ self.process_chain_data(header, Some(height), &txdata, |monitor, txdata| {
monitor.block_connected(
header, txdata, height, &*self.broadcaster, &*self.fee_estimator, &*self.logger)
});
{
fn transactions_confirmed(&self, header: &BlockHeader, txdata: &TransactionData, height: u32) {
log_debug!(self.logger, "{} provided transactions confirmed at height {} in block {}", txdata.len(), height, header.block_hash());
- self.process_chain_data(header, txdata, |monitor, txdata| {
+ self.process_chain_data(header, None, txdata, |monitor, txdata| {
monitor.transactions_confirmed(
header, txdata, height, &*self.broadcaster, &*self.fee_estimator, &*self.logger)
});
fn best_block_updated(&self, header: &BlockHeader, height: u32) {
log_debug!(self.logger, "New best block {} at height {} provided via best_block_updated", header.block_hash(), height);
- self.process_chain_data(header, &[], |monitor, txdata| {
+ self.process_chain_data(header, Some(height), &[], |monitor, txdata| {
// While in practice there shouldn't be any recursive calls when given empty txdata,
// it's still possible if a chain::Filter implementation returns a transaction.
debug_assert!(txdata.is_empty());
return Err(ChannelMonitorUpdateErr::PermanentFailure)},
hash_map::Entry::Vacant(e) => e,
};
+ log_trace!(self.logger, "Got new ChannelMonitor for channel {}", log_funding_info!(monitor));
let update_id = MonitorUpdateId::from_new_monitor(&monitor);
let mut pending_monitor_updates = Vec::new();
let persist_res = self.persister.persist_new_channel(funding_outpoint, &monitor, update_id);
if persist_res.is_err() {
- log_error!(self.logger, "Failed to persist new channel data: {:?}", persist_res);
+ log_error!(self.logger, "Failed to persist new ChannelMonitor for channel {}: {:?}", log_funding_info!(monitor), persist_res);
+ } else {
+ log_trace!(self.logger, "Finished persisting new ChannelMonitor for channel {}", log_funding_info!(monitor));
}
if persist_res == Err(ChannelMonitorUpdateErr::PermanentFailure) {
return persist_res;
} else if persist_res.is_err() {
pending_monitor_updates.push(update_id);
}
- {
- let funding_txo = monitor.get_funding_txo();
- log_trace!(self.logger, "Got new Channel Monitor for channel {}", log_bytes!(funding_txo.0.to_channel_id()[..]));
-
- if let Some(ref chain_source) = self.chain_source {
- monitor.load_outputs_to_watch(chain_source);
- }
+ if let Some(ref chain_source) = self.chain_source {
+ monitor.load_outputs_to_watch(chain_source);
}
entry.insert(MonitorHolder {
monitor,
pending_monitor_updates: Mutex::new(pending_monitor_updates),
channel_perm_failed: AtomicBool::new(false),
+ last_chain_persist_height: AtomicUsize::new(self.highest_chain_height.load(Ordering::Acquire)),
});
persist_res
}
// 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) => {
let monitor = &monitor_state.monitor;
- log_trace!(self.logger, "Updating Channel Monitor for channel {}", log_funding_info!(monitor));
+ log_trace!(self.logger, "Updating ChannelMonitor for channel {}", log_funding_info!(monitor));
let update_res = monitor.update_monitor(&update, &self.broadcaster, &self.fee_estimator, &self.logger);
- if let Err(e) = &update_res {
- log_error!(self.logger, "Failed to update channel monitor: {:?}", e);
+ if update_res.is_err() {
+ log_error!(self.logger, "Failed to update ChannelMonitor for channel {}.", log_funding_info!(monitor));
}
// Even if updating the monitor returns an error, the monitor's state will
// still be changed. So, persist the updated monitor despite the error.
} else {
monitor_state.channel_perm_failed.store(true, Ordering::Release);
}
- log_error!(self.logger, "Failed to persist channel monitor update: {:?}", e);
+ log_error!(self.logger, "Failed to persist ChannelMonitor update for channel {}: {:?}", log_funding_info!(monitor), e);
+ } else {
+ log_trace!(self.logger, "Finished persisting ChannelMonitor update for channel {}", log_funding_info!(monitor));
}
if update_res.is_err() {
Err(ChannelMonitorUpdateErr::PermanentFailure)
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());
- if is_pending_monitor_update {
+ if is_pending_monitor_update &&
+ monitor_state.last_chain_persist_height.load(Ordering::Acquire) + LATENCY_GRACE_PERIOD_BLOCKS as usize
+ > self.highest_chain_height.load(Ordering::Acquire)
+ {
log_info!(self.logger, "A Channel Monitor sync is still in progress, refusing to provide monitor events!");
} else {
if monitor_state.channel_perm_failed.load(Ordering::Acquire) {
// updated.
log_info!(self.logger, "A Channel Monitor sync returned PermanentFailure. Returning monitor events but duplicate events may appear after reload!");
}
+ if is_pending_monitor_update {
+ log_error!(self.logger, "A ChannelMonitor sync took longer than {} blocks to complete.", LATENCY_GRACE_PERIOD_BLOCKS);
+ 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());
}
}
#[cfg(test)]
mod tests {
- use ::{check_added_monitors, get_local_commitment_txn};
+ 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 ::{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;
+ use ln::channelmanager::PaymentSendFailure;
use ln::features::InitFeatures;
use ln::functional_test_utils::*;
- use util::events::MessageSendEventsProvider;
+ use ln::msgs::ChannelMessageHandler;
+ use util::errors::APIError;
+ use util::events::{ClosureReason, MessageSendEvent, MessageSendEventsProvider};
use util::test_utils::{OnRegisterOutput, TxOutReference};
/// Tests that in-block dependent transactions are processed by `block_connected` when not
nodes[1].node.get_and_clear_pending_msg_events();
nodes[1].node.get_and_clear_pending_events();
}
+
+ #[test]
+ fn test_async_ooo_offchain_updates() {
+ // Test that if we have multiple offchain updates being persisted and they complete
+ // out-of-order, the ChainMonitor waits until all have completed before informing the
+ // ChannelManager.
+ 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());
+
+ // 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;
+
+ 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);
+ nodes[1].node.claim_funds(payment_preimage_2);
+ check_added_monitors!(nodes[1], 1);
+
+ chanmon_cfgs[1].persister.set_update_ret(Ok(()));
+
+ let persistences = chanmon_cfgs[1].persister.offchain_monitor_updates.lock().unwrap().clone();
+ assert_eq!(persistences.len(), 1);
+ let (funding_txo, updates) = persistences.iter().next().unwrap();
+ assert_eq!(updates.len(), 2);
+
+ // Note that updates is a HashMap so the ordering here is actually random. This shouldn't
+ // fail either way but if it fails intermittently it's depending on the ordering of updates.
+ let mut update_iter = updates.iter();
+ nodes[1].chain_monitor.chain_monitor.channel_monitor_updated(*funding_txo, update_iter.next().unwrap().clone()).unwrap();
+ assert!(nodes[1].chain_monitor.release_pending_monitor_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ nodes[1].chain_monitor.chain_monitor.channel_monitor_updated(*funding_txo, update_iter.next().unwrap().clone()).unwrap();
+
+ // Now manually walk the commitment signed dance - because we claimed two payments
+ // back-to-back it doesn't fit into the neat walk commitment_signed_dance does.
+
+ let updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fulfill_htlcs[0]);
+ expect_payment_sent_without_paths!(nodes[0], payment_preimage_1);
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed);
+ check_added_monitors!(nodes[0], 1);
+ let (as_first_raa, as_first_update) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_first_raa);
+ check_added_monitors!(nodes[1], 1);
+ let bs_second_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_first_update);
+ check_added_monitors!(nodes[1], 1);
+ let bs_first_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
+
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_second_updates.update_fulfill_htlcs[0]);
+ expect_payment_sent_without_paths!(nodes[0], payment_preimage_2);
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_second_updates.commitment_signed);
+ check_added_monitors!(nodes[0], 1);
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_first_raa);
+ expect_payment_path_successful!(nodes[0]);
+ check_added_monitors!(nodes[0], 1);
+ let (as_second_raa, as_second_update) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_second_raa);
+ check_added_monitors!(nodes[1], 1);
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_second_update);
+ check_added_monitors!(nodes[1], 1);
+ let bs_second_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[0].node.get_our_node_id());
+
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_second_raa);
+ expect_payment_path_successful!(nodes[0]);
+ check_added_monitors!(nodes[0], 1);
+ }
+
+ fn do_chainsync_pauses_events(block_timeout: bool) {
+ // When a chainsync monitor update occurs, any MonitorUpdates should be held before being
+ // passed upstream to a `ChannelManager` via `Watch::release_pending_monitor_events`. This
+ // tests that behavior, as well as some ways it might go wrong.
+ 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);
+ let channel = create_announced_chan_between_nodes(
+ &nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+
+ // Get a route for later and rebalance the channel somewhat
+ send_payment(&nodes[0], &[&nodes[1]], 10_000_000);
+ 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;
+ nodes[1].node.claim_funds(payment_preimage);
+ 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);
+ assert_eq!(remote_txn.len(), 2);
+
+ // Temp-fail the block connection which will hold the channel-closed event
+ chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clear();
+ chanmon_cfgs[0].persister.set_update_ret(Err(ChannelMonitorUpdateErr::TemporaryFailure));
+
+ // Connect B's commitment transaction, but only to the ChainMonitor/ChannelMonitor. The
+ // channel is now closed, but the ChannelManager doesn't know that yet.
+ let new_header = BlockHeader {
+ version: 2, time: 0, bits: 0, nonce: 0,
+ prev_blockhash: nodes[0].best_block_info().0,
+ merkle_root: Default::default() };
+ nodes[0].chain_monitor.chain_monitor.transactions_confirmed(&new_header,
+ &[(0, &remote_txn[0]), (1, &remote_txn[1])], nodes[0].best_block_info().1 + 1);
+ assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
+ nodes[0].chain_monitor.chain_monitor.best_block_updated(&new_header, nodes[0].best_block_info().1 + 1);
+ assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
+
+ // If the ChannelManager tries to update the channel, however, the ChainMonitor will pass
+ // the update through to the ChannelMonitor which will refuse it (as the channel is closed).
+ chanmon_cfgs[0].persister.set_update_ret(Ok(()));
+ unwrap_send_err!(nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret)),
+ true, APIError::ChannelUnavailable { ref err },
+ assert!(err.contains("ChannelMonitor storage failure")));
+ check_added_monitors!(nodes[0], 2); // After the failure we generate a close-channel monitor update
+ check_closed_broadcast!(nodes[0], true);
+ check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() });
+
+ // However, as the ChainMonitor is still waiting for the original persistence to complete,
+ // it won't yet release the MonitorEvents.
+ assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
+
+ if block_timeout {
+ // After three blocks, pending MontiorEvents should be released either way.
+ let latest_header = BlockHeader {
+ version: 2, time: 0, bits: 0, nonce: 0,
+ prev_blockhash: nodes[0].best_block_info().0,
+ 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 {
+ 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();
+ }
+ }
+ }
+
+ expect_payment_sent!(nodes[0], payment_preimage);
+ }
+
+ #[test]
+ fn chainsync_pauses_events() {
+ 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