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Limit the number of pending un-funded inbound channel #1988

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merged 2 commits into from
Feb 22, 2023
Merged

Limit the number of pending un-funded inbound channel #1988

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4155f54
Add an `inbound` flag to the `peer_connected` message handlers
TheBlueMatt Jan 26, 2023
d5fb804
Limit the number of pending un-funded inbound channel
TheBlueMatt Jan 26, 2023
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20 changes: 10 additions & 10 deletions fuzz/src/chanmon_consistency.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -474,8 +474,8 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
let mut channel_txn = Vec::new();
macro_rules! make_channel {
($source: expr, $dest: expr, $chan_id: expr) => { {
$source.peer_connected(&$dest.get_our_node_id(), &Init { features: $dest.init_features(), remote_network_address: None }).unwrap();
$dest.peer_connected(&$source.get_our_node_id(), &Init { features: $source.init_features(), remote_network_address: None }).unwrap();
$source.peer_connected(&$dest.get_our_node_id(), &Init { features: $dest.init_features(), remote_network_address: None }, true).unwrap();
$dest.peer_connected(&$source.get_our_node_id(), &Init { features: $source.init_features(), remote_network_address: None }, false).unwrap();

$source.create_channel($dest.get_our_node_id(), 100_000, 42, 0, None).unwrap();
let open_channel = {
Expand Down Expand Up @@ -995,15 +995,15 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
},
0x0e => {
if chan_a_disconnected {
nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }).unwrap();
nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: nodes[0].init_features(), remote_network_address: None }).unwrap();
nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, true).unwrap();
nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: nodes[0].init_features(), remote_network_address: None }, false).unwrap();
chan_a_disconnected = false;
}
},
0x0f => {
if chan_b_disconnected {
nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: nodes[2].init_features(), remote_network_address: None }).unwrap();
nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }).unwrap();
nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: nodes[2].init_features(), remote_network_address: None }, true).unwrap();
nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, false).unwrap();
chan_b_disconnected = false;
}
},
Expand Down Expand Up @@ -1198,13 +1198,13 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {

// Next, make sure peers are all connected to each other
if chan_a_disconnected {
nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }).unwrap();
nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: nodes[0].init_features(), remote_network_address: None }).unwrap();
nodes[0].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, true).unwrap();
nodes[1].peer_connected(&nodes[0].get_our_node_id(), &Init { features: nodes[0].init_features(), remote_network_address: None }, false).unwrap();
chan_a_disconnected = false;
}
if chan_b_disconnected {
nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: nodes[2].init_features(), remote_network_address: None }).unwrap();
nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }).unwrap();
nodes[1].peer_connected(&nodes[2].get_our_node_id(), &Init { features: nodes[2].init_features(), remote_network_address: None }, true).unwrap();
nodes[2].peer_connected(&nodes[1].get_our_node_id(), &Init { features: nodes[1].init_features(), remote_network_address: None }, false).unwrap();
chan_b_disconnected = false;
}

Expand Down
4 changes: 2 additions & 2 deletions lightning-background-processor/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -963,8 +963,8 @@ mod tests {

for i in 0..num_nodes {
for j in (i+1)..num_nodes {
nodes[i].node.peer_connected(&nodes[j].node.get_our_node_id(), &Init { features: nodes[j].node.init_features(), remote_network_address: None }).unwrap();
nodes[j].node.peer_connected(&nodes[i].node.get_our_node_id(), &Init { features: nodes[i].node.init_features(), remote_network_address: None }).unwrap();
nodes[i].node.peer_connected(&nodes[j].node.get_our_node_id(), &Init { features: nodes[j].node.init_features(), remote_network_address: None }, true).unwrap();
nodes[j].node.peer_connected(&nodes[i].node.get_our_node_id(), &Init { features: nodes[i].node.init_features(), remote_network_address: None }, false).unwrap();
}
}

Expand Down
4 changes: 2 additions & 2 deletions lightning-net-tokio/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -617,7 +617,7 @@ mod tests {
fn handle_channel_update(&self, _msg: &ChannelUpdate) -> Result<bool, LightningError> { Ok(false) }
fn get_next_channel_announcement(&self, _starting_point: u64) -> Option<(ChannelAnnouncement, Option<ChannelUpdate>, Option<ChannelUpdate>)> { None }
fn get_next_node_announcement(&self, _starting_point: Option<&NodeId>) -> Option<NodeAnnouncement> { None }
fn peer_connected(&self, _their_node_id: &PublicKey, _init_msg: &Init) -> Result<(), ()> { Ok(()) }
fn peer_connected(&self, _their_node_id: &PublicKey, _init_msg: &Init, _inbound: bool) -> Result<(), ()> { Ok(()) }
fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: ReplyChannelRange) -> Result<(), LightningError> { Ok(()) }
fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: ReplyShortChannelIdsEnd) -> Result<(), LightningError> { Ok(()) }
fn handle_query_channel_range(&self, _their_node_id: &PublicKey, _msg: QueryChannelRange) -> Result<(), LightningError> { Ok(()) }
Expand Down Expand Up @@ -649,7 +649,7 @@ mod tests {
self.pubkey_disconnected.clone().try_send(()).unwrap();
}
}
fn peer_connected(&self, their_node_id: &PublicKey, _init_msg: &Init) -> Result<(), ()> {
fn peer_connected(&self, their_node_id: &PublicKey, _init_msg: &Init, _inbound: bool) -> Result<(), ()> {
if *their_node_id == self.expected_pubkey {
self.pubkey_connected.clone().try_send(()).unwrap();
}
Expand Down
36 changes: 18 additions & 18 deletions lightning/src/ln/chanmon_update_fail_tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -351,10 +351,10 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());

nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]);
assert_eq!(reestablish_1.len(), 1);
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();
let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]);
assert_eq!(reestablish_2.len(), 1);

Expand All @@ -373,10 +373,10 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());

nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]);
assert_eq!(reestablish_1.len(), 1);
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();
let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]);
assert_eq!(reestablish_2.len(), 1);

Expand Down Expand Up @@ -1130,8 +1130,8 @@ fn test_monitor_update_fail_reestablish() {
commitment_signed_dance!(nodes[1], nodes[2], updates.commitment_signed, false);

chanmon_cfgs[1].persister.set_update_ret(ChannelMonitorUpdateStatus::InProgress);
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();

let as_reestablish = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap();
let bs_reestablish = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();
Expand All @@ -1149,8 +1149,8 @@ fn test_monitor_update_fail_reestablish() {
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());

nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();

assert_eq!(get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap(), as_reestablish);
assert_eq!(get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap(), bs_reestablish);
Expand Down Expand Up @@ -1322,8 +1322,8 @@ fn claim_while_disconnected_monitor_update_fail() {
check_added_monitors!(nodes[1], 1);
expect_payment_claimed!(nodes[1], payment_hash_1, 1_000_000);

nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();

let as_reconnect = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap();
let bs_reconnect = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();
Expand Down Expand Up @@ -1454,8 +1454,8 @@ fn monitor_failed_no_reestablish_response() {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());

nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();

let as_reconnect = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap();
let bs_reconnect = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();
Expand Down Expand Up @@ -2050,9 +2050,9 @@ fn test_pending_update_fee_ack_on_reconnect() {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());

nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
let as_connect_msg = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();
let bs_connect_msg = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();

nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_connect_msg);
Expand Down Expand Up @@ -2178,9 +2178,9 @@ fn do_update_fee_resend_test(deliver_update: bool, parallel_updates: bool) {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());

nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
let as_connect_msg = get_chan_reestablish_msgs!(nodes[0], nodes[1]).pop().unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();
let bs_connect_msg = get_chan_reestablish_msgs!(nodes[1], nodes[0]).pop().unwrap();

nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_connect_msg);
Expand Down Expand Up @@ -2314,10 +2314,10 @@ fn do_channel_holding_cell_serialize(disconnect: bool, reload_a: bool) {
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());

// Now reconnect the two
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }).unwrap();
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
let reestablish_1 = get_chan_reestablish_msgs!(nodes[0], nodes[1]);
assert_eq!(reestablish_1.len(), 1);
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }).unwrap();
nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: nodes[0].node.init_features(), remote_network_address: None }, false).unwrap();
let reestablish_2 = get_chan_reestablish_msgs!(nodes[1], nodes[0]);
assert_eq!(reestablish_2.len(), 1);

Expand Down
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