X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fchain%2Fchainmonitor.rs;h=16a02b54a3bbe4e848f194f376a541c6bafa860a;hb=4fb5708eec5a0683039c7877a0b3d452e21735c9;hp=8ce59597d846b960d5bb11d843ace21b20d0ee53;hpb=397386539d19ea368d1f37566b6b0640b90c9668;p=rust-lightning

diff --git a/lightning/src/chain/chainmonitor.rs b/lightning/src/chain/chainmonitor.rs
index 8ce59597..16a02b54 100644
--- a/lightning/src/chain/chainmonitor.rs
+++ b/lightning/src/chain/chainmonitor.rs
@@ -364,8 +364,7 @@ where C::Target: chain::Filter,
 	/// claims which are awaiting confirmation.
 	///
 	/// Includes the balances from each [`ChannelMonitor`] *except* those included in
-	/// `ignored_channels`, allowing you to filter out balances from channels which are still open
-	/// (and whose balance should likely be pulled from the [`ChannelDetails`]).
+	/// `ignored_channels`.
 	///
 	/// See [`ChannelMonitor::get_claimable_balances`] for more details on the exact criteria for
 	/// inclusion in the return value.
@@ -520,12 +519,13 @@ where C::Target: chain::Filter,
 	pub async fn process_pending_events_async<Future: core::future::Future, H: Fn(Event) -> Future>(
 		&self, handler: H
 	) {
-		let mut pending_events = Vec::new();
-		for monitor_state in self.monitors.read().unwrap().values() {
-			pending_events.append(&mut monitor_state.monitor.get_and_clear_pending_events());
-		}
-		for event in pending_events {
-			handler(event).await;
+		// Sadly we can't hold the monitors read lock through an async call. Thus we have to do a
+		// crazy dance to process a monitor's events then only remove them once we've done so.
+		let mons_to_process = self.monitors.read().unwrap().keys().cloned().collect::<Vec<_>>();
+		for funding_txo in mons_to_process {
+			let mut ev;
+			super::channelmonitor::process_events_body!(
+				self.monitors.read().unwrap().get(&funding_txo).map(|m| &m.monitor), ev, handler(ev).await);
 		}
 	}
 
@@ -782,30 +782,13 @@ impl<ChannelSigner: WriteableEcdsaChannelSigner, C: Deref, T: Deref, F: Deref, L
 	      L::Target: Logger,
 	      P::Target: Persist<ChannelSigner>,
 {
-	#[cfg(not(anchors))]
-	/// Processes [`SpendableOutputs`] events produced from each [`ChannelMonitor`] upon maturity.
-	///
-	/// An [`EventHandler`] may safely call back to the provider, though this shouldn't be needed in
-	/// order to handle these events.
-	///
-	/// [`SpendableOutputs`]: events::Event::SpendableOutputs
-	fn process_pending_events<H: Deref>(&self, handler: H) where H::Target: EventHandler {
-		let mut pending_events = Vec::new();
-		for monitor_state in self.monitors.read().unwrap().values() {
-			pending_events.append(&mut monitor_state.monitor.get_and_clear_pending_events());
-		}
-		for event in pending_events {
-			handler.handle_event(event);
-		}
-	}
-	#[cfg(anchors)]
 	/// Processes [`SpendableOutputs`] events produced from each [`ChannelMonitor`] upon maturity.
 	///
 	/// For channels featuring anchor outputs, this method will also process [`BumpTransaction`]
 	/// events produced from each [`ChannelMonitor`] while there is a balance to claim onchain
 	/// within each channel. As the confirmation of a commitment transaction may be critical to the
-	/// safety of funds, this method must be invoked frequently, ideally once for every chain tip
-	/// update (block connected or disconnected).
+	/// safety of funds, we recommend invoking this every 30 seconds, or lower if running in an
+	/// environment with spotty connections, like on mobile.
 	///
 	/// An [`EventHandler`] may safely call back to the provider, though this shouldn't be needed in
 	/// order to handle these events.
@@ -813,12 +796,8 @@ impl<ChannelSigner: WriteableEcdsaChannelSigner, C: Deref, T: Deref, F: Deref, L
 	/// [`SpendableOutputs`]: events::Event::SpendableOutputs
 	/// [`BumpTransaction`]: events::Event::BumpTransaction
 	fn process_pending_events<H: Deref>(&self, handler: H) where H::Target: EventHandler {
-		let mut pending_events = Vec::new();
 		for monitor_state in self.monitors.read().unwrap().values() {
-			pending_events.append(&mut monitor_state.monitor.get_and_clear_pending_events());
-		}
-		for event in pending_events {
-			handler.handle_event(event);
+			monitor_state.monitor.process_pending_events(&handler);
 		}
 	}
 }
@@ -826,7 +805,7 @@ impl<ChannelSigner: WriteableEcdsaChannelSigner, C: Deref, T: Deref, F: Deref, L
 #[cfg(test)]
 mod tests {
 	use crate::{check_added_monitors, check_closed_broadcast, check_closed_event};
-	use crate::{expect_payment_sent, expect_payment_claimed, expect_payment_sent_without_paths, expect_payment_path_successful, get_event_msg};
+	use crate::{expect_payment_claimed, expect_payment_path_successful, get_event_msg};
 	use crate::{get_htlc_update_msgs, get_local_commitment_txn, get_revoke_commit_msgs, get_route_and_payment_hash, unwrap_send_err};
 	use crate::chain::{ChannelMonitorUpdateStatus, Confirm, Watch};
 	use crate::chain::channelmonitor::LATENCY_GRACE_PERIOD_BLOCKS;
@@ -909,7 +888,7 @@ mod tests {
 
 		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);
+		expect_payment_sent(&nodes[0], payment_preimage_1, None, false, false);
 		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());
@@ -922,7 +901,7 @@ mod tests {
 		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);
+		expect_payment_sent(&nodes[0], payment_preimage_2, None, false, false);
 		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);
@@ -986,7 +965,8 @@ mod tests {
 			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() });
+		check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "ChannelMonitor storage failure".to_string() }, 
+			[nodes[1].node.get_our_node_id()], 100000);
 
 		// However, as the ChainMonitor is still waiting for the original persistence to complete,
 		// it won't yet release the MonitorEvents.
@@ -1005,7 +985,7 @@ mod tests {
 			}
 		}
 
-		expect_payment_sent!(nodes[0], payment_preimage);
+		expect_payment_sent(&nodes[0], payment_preimage, None, true, false);
 	}
 
 	#[test]
@@ -1033,7 +1013,8 @@ mod tests {
 		// ... 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_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: "Failed to persist ChannelMonitor update during chain sync".to_string() },
+			[nodes[1].node.get_our_node_id()], 100000);
 		check_added_monitors!(nodes[0], 1);
 	}
 }