macro_rules! check_persisted_data {
($node: expr, $filepath: expr, $expected_bytes: expr) => {
- match $node.write(&mut $expected_bytes) {
- Ok(()) => {
- loop {
+ loop {
+ $expected_bytes.clear();
+ match $node.write(&mut $expected_bytes) {
+ Ok(()) => {
match std::fs::read($filepath) {
Ok(bytes) => {
if bytes == $expected_bytes {
},
Err(_) => continue
}
- }
- },
- Err(e) => panic!("Unexpected error: {}", e)
+ },
+ Err(e) => panic!("Unexpected error: {}", e)
+ }
}
}
}
holding_cell_update_fee: Option<u32>,
next_holder_htlc_id: u64,
next_counterparty_htlc_id: u64,
- update_time_counter: u32,
feerate_per_kw: u32,
+ /// The timestamp set on our latest `channel_update` message for this channel. It is updated
+ /// when the channel is updated in ways which may impact the `channel_update` message or when a
+ /// new block is received, ensuring it's always at least moderately close to the current real
+ /// time.
+ update_time_counter: u32,
+
#[cfg(debug_assertions)]
/// Max to_local and to_remote outputs in a locally-generated commitment transaction
holder_max_commitment_tx_output: Mutex<(u64, u64)>,
}
pub fn set_channel_update_status(&mut self, status: ChannelUpdateStatus) {
+ self.update_time_counter += 1;
self.channel_update_status = status;
}
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
- let short_id_1 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
- let short_id_2 = create_announced_chan_between_nodes(&nodes, 1, 0, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
- let short_id_3 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).0.contents.short_channel_id;
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+ create_announced_chan_between_nodes(&nodes, 1, 0, InitFeatures::known(), InitFeatures::known());
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
// Disconnect peers
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[0].node.timer_tick_occurred(); // DisabledStaged -> Disabled
let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(msg_events.len(), 3);
- let mut chans_disabled: HashSet<u64> = [short_id_1, short_id_2, short_id_3].iter().map(|a| *a).collect();
+ let mut chans_disabled = HashMap::new();
for e in msg_events {
match e {
MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
assert_eq!(msg.contents.flags & (1<<1), 1<<1); // The "channel disabled" bit should be set
// Check that each channel gets updated exactly once
- if !chans_disabled.remove(&msg.contents.short_channel_id) {
+ if chans_disabled.insert(msg.contents.short_channel_id, msg.contents.timestamp).is_some() {
panic!("Generated ChannelUpdate for wrong chan!");
}
},
nodes[0].node.timer_tick_occurred();
let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(msg_events.len(), 3);
- chans_disabled = [short_id_1, short_id_2, short_id_3].iter().map(|a| *a).collect();
for e in msg_events {
match e {
MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
assert_eq!(msg.contents.flags & (1<<1), 0); // The "channel disabled" bit should be off
- // Check that each channel gets updated exactly once
- if !chans_disabled.remove(&msg.contents.short_channel_id) {
- panic!("Generated ChannelUpdate for wrong chan!");
+ match chans_disabled.remove(&msg.contents.short_channel_id) {
+ // Each update should have a higher timestamp than the previous one, replacing
+ // the old one.
+ Some(prev_timestamp) => assert!(msg.contents.timestamp > prev_timestamp),
+ None => panic!("Generated ChannelUpdate for wrong chan!"),
}
},
_ => panic!("Unexpected event"),
}
}
+ // Check that each channel gets updated exactly once
+ assert!(chans_disabled.is_empty());
}
#[test]
/// The peer did something harmless that we weren't able to meaningfully process.
/// If the error is logged, log it at the given level.
IgnoreAndLog(logger::Level),
+ /// The peer provided us with a gossip message which we'd already seen. In most cases this
+ /// should be ignored, but it may result in the message being forwarded if it is a duplicate of
+ /// our own channel announcements.
+ IgnoreDuplicateGossip,
/// The peer did something incorrect. Tell them.
SendErrorMessage {
/// The message to send.
log_given_level!(self.logger, level, "Error handling message{}; ignoring: {}", OptionalFromDebugger(&peer.their_node_id), e.err);
continue
},
+ msgs::ErrorAction::IgnoreDuplicateGossip => continue, // Don't even bother logging these
msgs::ErrorAction::IgnoreError => {
log_debug!(self.logger, "Error handling message{}; ignoring: {}", OptionalFromDebugger(&peer.their_node_id), e.err);
continue;
},
MessageSendEvent::BroadcastChannelAnnouncement { msg, update_msg } => {
log_debug!(self.logger, "Handling BroadcastChannelAnnouncement event in peer_handler for short channel id {}", msg.contents.short_channel_id);
- if self.message_handler.route_handler.handle_channel_announcement(&msg).is_ok() && self.message_handler.route_handler.handle_channel_update(&update_msg).is_ok() {
- self.forward_broadcast_msg(peers, &wire::Message::ChannelAnnouncement(msg), None);
- self.forward_broadcast_msg(peers, &wire::Message::ChannelUpdate(update_msg), None);
+ match self.message_handler.route_handler.handle_channel_announcement(&msg) {
+ Ok(_) | Err(LightningError { action: msgs::ErrorAction::IgnoreDuplicateGossip, .. }) =>
+ self.forward_broadcast_msg(peers, &wire::Message::ChannelAnnouncement(msg), None),
+ _ => {},
+ }
+ match self.message_handler.route_handler.handle_channel_update(&update_msg) {
+ Ok(_) | Err(LightningError { action: msgs::ErrorAction::IgnoreDuplicateGossip, .. }) =>
+ self.forward_broadcast_msg(peers, &wire::Message::ChannelUpdate(update_msg), None),
+ _ => {},
}
},
MessageSendEvent::BroadcastNodeAnnouncement { msg } => {
log_debug!(self.logger, "Handling BroadcastNodeAnnouncement event in peer_handler");
- if self.message_handler.route_handler.handle_node_announcement(&msg).is_ok() {
- self.forward_broadcast_msg(peers, &wire::Message::NodeAnnouncement(msg), None);
+ match self.message_handler.route_handler.handle_node_announcement(&msg) {
+ Ok(_) | Err(LightningError { action: msgs::ErrorAction::IgnoreDuplicateGossip, .. }) =>
+ self.forward_broadcast_msg(peers, &wire::Message::NodeAnnouncement(msg), None),
+ _ => {},
}
},
MessageSendEvent::BroadcastChannelUpdate { msg } => {
log_debug!(self.logger, "Handling BroadcastChannelUpdate event in peer_handler for short channel id {}", msg.contents.short_channel_id);
- if self.message_handler.route_handler.handle_channel_update(&msg).is_ok() {
- self.forward_broadcast_msg(peers, &wire::Message::ChannelUpdate(msg), None);
+ match self.message_handler.route_handler.handle_channel_update(&msg) {
+ Ok(_) | Err(LightningError { action: msgs::ErrorAction::IgnoreDuplicateGossip, .. }) =>
+ self.forward_broadcast_msg(peers, &wire::Message::ChannelUpdate(msg), None),
+ _ => {},
}
},
MessageSendEvent::SendChannelUpdate { ref node_id, ref msg } => {
msgs::ErrorAction::IgnoreAndLog(level) => {
log_given_level!(self.logger, level, "Received a HandleError event to be ignored for node {}", log_pubkey!(node_id));
},
+ msgs::ErrorAction::IgnoreDuplicateGossip => {},
msgs::ErrorAction::IgnoreError => {
log_debug!(self.logger, "Received a HandleError event to be ignored for node {}", log_pubkey!(node_id));
},
None => Err(LightningError{err: "No existing channels for node_announcement".to_owned(), action: ErrorAction::IgnoreError}),
Some(node) => {
if let Some(node_info) = node.announcement_info.as_ref() {
- if node_info.last_update >= msg.timestamp {
+ // The timestamp field is somewhat of a misnomer - the BOLTs use it to order
+ // updates to ensure you always have the latest one, only vaguely suggesting
+ // that it be at least the current time.
+ if node_info.last_update > msg.timestamp {
return Err(LightningError{err: "Update older than last processed update".to_owned(), action: ErrorAction::IgnoreAndLog(Level::Gossip)});
+ } else if node_info.last_update == msg.timestamp {
+ return Err(LightningError{err: "Update had the same timestamp as last processed update".to_owned(), action: ErrorAction::IgnoreDuplicateGossip});
}
}
Self::remove_channel_in_nodes(&mut nodes, &entry.get(), msg.short_channel_id);
*entry.get_mut() = chan_info;
} else {
- return Err(LightningError{err: "Already have knowledge of channel".to_owned(), action: ErrorAction::IgnoreAndLog(Level::Gossip)})
+ return Err(LightningError{err: "Already have knowledge of channel".to_owned(), action: ErrorAction::IgnoreDuplicateGossip});
}
},
BtreeEntry::Vacant(entry) => {
macro_rules! maybe_update_channel_info {
( $target: expr, $src_node: expr) => {
if let Some(existing_chan_info) = $target.as_ref() {
- if existing_chan_info.last_update >= msg.timestamp {
+ // The timestamp field is somewhat of a misnomer - the BOLTs use it to
+ // order updates to ensure you always have the latest one, only
+ // suggesting that it be at least the current time. For
+ // channel_updates specifically, the BOLTs discuss the possibility of
+ // pruning based on the timestamp field being more than two weeks old,
+ // but only in the non-normative section.
+ if existing_chan_info.last_update > msg.timestamp {
return Err(LightningError{err: "Update older than last processed update".to_owned(), action: ErrorAction::IgnoreAndLog(Level::Gossip)});
+ } else if existing_chan_info.last_update == msg.timestamp {
+ return Err(LightningError{err: "Update had same timestamp as last processed update".to_owned(), action: ErrorAction::IgnoreDuplicateGossip});
}
chan_was_enabled = existing_chan_info.enabled;
} else {
match net_graph_msg_handler.handle_channel_update(&valid_channel_update) {
Ok(_) => panic!(),
- Err(e) => assert_eq!(e.err, "Update older than last processed update")
+ Err(e) => assert_eq!(e.err, "Update had same timestamp as last processed update")
};
unsigned_channel_update.timestamp += 500;
projects / rust-lightning / commitdiff