#[cfg(any(test, feature = "fuzztarget"))]
use std::sync::Mutex;
use bitcoin::hashes::hex::ToHex;
+use bitcoin::blockdata::opcodes::all::OP_PUSHBYTES_0;
#[cfg(test)]
pub struct ChannelValueStat {
let counterparty_shutdown_scriptpubkey = if their_features.supports_upfront_shutdown_script() {
match &msg.shutdown_scriptpubkey {
&OptionalField::Present(ref script) => {
- // Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. We enforce it while receiving shutdown msg
- if script.is_p2pkh() || script.is_p2sh() || script.is_v0_p2wsh() || script.is_v0_p2wpkh() {
- Some(script.clone())
// Peer is signaling upfront_shutdown and has opt-out with a 0-length script. We don't enforce anything
- } else if script.len() == 0 {
+ if script.len() == 0 {
None
// Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. Fail the channel
- } else {
+ } else if is_unsupported_shutdown_script(&their_features, script) {
return Err(ChannelError::Close(format!("Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format. script: ({})", script.to_bytes().to_hex())));
+ } else {
+ Some(script.clone())
}
},
// Peer is signaling upfront shutdown but don't opt-out with correct mechanism (a.k.a 0-length script). Peer looks buggy, we fail the channel
let counterparty_shutdown_scriptpubkey = if their_features.supports_upfront_shutdown_script() {
match &msg.shutdown_scriptpubkey {
&OptionalField::Present(ref script) => {
- // Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. We enforce it while receiving shutdown msg
- if script.is_p2pkh() || script.is_p2sh() || script.is_v0_p2wsh() || script.is_v0_p2wpkh() {
- Some(script.clone())
// Peer is signaling upfront_shutdown and has opt-out with a 0-length script. We don't enforce anything
- } else if script.len() == 0 {
+ if script.len() == 0 {
None
// Peer is signaling upfront_shutdown and has provided a non-accepted scriptpubkey format. Fail the channel
+ } else if is_unsupported_shutdown_script(&their_features, script) {
+ return Err(ChannelError::Close(format!("Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format. script: ({})", script.to_bytes().to_hex())));
} else {
- return Err(ChannelError::Close(format!("Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format. scriptpubkey: ({})", script.to_bytes().to_hex())));
+ Some(script.clone())
}
},
// Peer is signaling upfront shutdown but don't opt-out with correct mechanism (a.k.a 0-length script). Peer looks buggy, we fail the channel
})
}
- pub fn shutdown<F: Deref>(&mut self, fee_estimator: &F, msg: &msgs::Shutdown) -> Result<(Option<msgs::Shutdown>, Option<msgs::ClosingSigned>, Vec<(HTLCSource, PaymentHash)>), ChannelError>
+ pub fn shutdown<F: Deref>(&mut self, fee_estimator: &F, their_features: &InitFeatures, msg: &msgs::Shutdown) -> Result<(Option<msgs::Shutdown>, Option<msgs::ClosingSigned>, Vec<(HTLCSource, PaymentHash)>), ChannelError>
where F::Target: FeeEstimator
{
if self.channel_state & (ChannelState::PeerDisconnected as u32) == ChannelState::PeerDisconnected as u32 {
}
assert_eq!(self.channel_state & ChannelState::ShutdownComplete as u32, 0);
- // BOLT 2 says we must only send a scriptpubkey of certain standard forms, which are up to
- // 34 bytes in length, so don't let the remote peer feed us some super fee-heavy script.
- if self.is_outbound() && msg.scriptpubkey.len() > 34 {
- return Err(ChannelError::Close(format!("Got counterparty shutdown_scriptpubkey ({}) of absurd length from remote peer", msg.scriptpubkey.to_bytes().to_hex())));
- }
-
- //Check counterparty_shutdown_scriptpubkey form as BOLT says we must
- if !msg.scriptpubkey.is_p2pkh() && !msg.scriptpubkey.is_p2sh() && !msg.scriptpubkey.is_v0_p2wpkh() && !msg.scriptpubkey.is_v0_p2wsh() {
+ if is_unsupported_shutdown_script(&their_features, &msg.scriptpubkey) {
return Err(ChannelError::Close(format!("Got a nonstandard scriptpubkey ({}) from remote peer", msg.scriptpubkey.to_bytes().to_hex())));
}
}
}
+fn is_unsupported_shutdown_script(their_features: &InitFeatures, script: &Script) -> bool {
+ // We restrain shutdown scripts to standards forms to avoid transactions not propagating on the p2p tx-relay network
+
+ // BOLT 2 says we must only send a scriptpubkey of certain standard forms,
+ // which for a a BIP-141-compliant witness program is at max 42 bytes in length.
+ // So don't let the remote peer feed us some super fee-heavy script.
+ let is_script_too_long = script.len() > 42;
+ if is_script_too_long {
+ return true;
+ }
+
+ if their_features.supports_shutdown_anysegwit() && script.is_witness_program() && script.as_bytes()[0] != OP_PUSHBYTES_0.into_u8() {
+ return false;
+ }
+
+ return !script.is_p2pkh() && !script.is_p2sh() && !script.is_v0_p2wpkh() && !script.is_v0_p2wsh()
+}
+
const SERIALIZATION_VERSION: u8 = 1;
const MIN_SERIALIZATION_VERSION: u8 = 1;
use ln::functional_test_utils::*;
use ln::chan_utils::CommitmentTransaction;
+use ln::msgs::OptionalField::Present;
#[test]
fn test_insane_channel_opens() {
nodes[0].node.close_channel(&OutPoint { txid: tx.txid(), index: 0 }.to_channel_id()).unwrap();
let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
- nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown);
let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
nodes[1].node.handle_closing_signed(&nodes[0].node.get_our_node_id(), &node_0_closing_signed);
nodes[0].node.close_channel(&chan_1.2).unwrap();
let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
- nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].node.close_channel(&chan_1.2).unwrap();
let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown);
let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &updates.commitment_signed);
check_added_monitors!(nodes[1], 1);
- nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
commitment_signed_dance!(nodes[1], nodes[0], (), false, true, false);
let updates_2 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
nodes[1].node.close_channel(&chan_1.2).unwrap();
let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
if recv_count > 0 {
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown);
let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
if recv_count > 1 {
- nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
}
}
nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &node_1_reestablish);
let node_0_2nd_shutdown = if recv_count > 0 {
let node_0_2nd_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_2nd_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_2nd_shutdown);
node_0_2nd_shutdown
} else {
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_2nd_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_2nd_shutdown);
get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id())
};
- nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_2nd_shutdown);
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_2nd_shutdown);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
let node_1_3rd_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
assert!(node_1_3rd_shutdown == node_1_2nd_shutdown);
- nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_3rd_shutdown);
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_3rd_shutdown);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_1_3rd_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_1_3rd_shutdown);
let node_0_2nd_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
assert!(node_0_closing_signed == node_0_2nd_closing_signed);
let mut node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[2].node.get_our_node_id());
node_0_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh();
// Test we enforce upfront_scriptpbukey if by providing a diffrent one at closing that we disconnect peer
- nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
assert!(regex::Regex::new(r"Got shutdown request with a scriptpubkey \([A-Fa-f0-9]+\) which did not match their previous scriptpubkey.").unwrap().is_match(check_closed_broadcast!(nodes[2], true).unwrap().data.as_str()));
check_added_monitors!(nodes[2], 1);
nodes[0].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[2].node.get_our_node_id());
// We test that in case of peer committing upfront to a script, if it oesn't change at closing, we sign
- nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown);
+ nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
let events = nodes[2].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
match events[0] {
nodes[0].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
let mut node_1_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
node_1_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh();
- nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_1_shutdown);
+ nodes[1].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &InitFeatures::known(), &node_1_shutdown);
let events = nodes[1].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
match events[0] {
nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
node_0_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh();
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
let events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
match events[0] {
nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
node_0_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh();
- nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &node_0_shutdown);
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
let events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 2);
match events[0] {
}
}
+#[test]
+fn test_upfront_shutdown_script_unsupport_segwit() {
+ // We test that channel is closed early
+ // if a segwit program is passed as upfront shutdown script,
+ // but the peer does not support segwit.
+ 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);
+
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap();
+
+ let mut open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+ open_channel.shutdown_scriptpubkey = Present(Builder::new().push_int(16)
+ .push_slice(&[0, 0])
+ .into_script());
+
+ let features = InitFeatures::known().clear_shutdown_anysegwit();
+ nodes[0].node.handle_open_channel(&nodes[0].node.get_our_node_id(), features, &open_channel);
+
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => {
+ assert_eq!(node_id, nodes[0].node.get_our_node_id());
+ assert!(regex::Regex::new(r"Peer is signaling upfront_shutdown but has provided a non-accepted scriptpubkey format. script: (\([A-Fa-f0-9]+\))").unwrap().is_match(&*msg.data));
+ },
+ _ => panic!("Unexpected event"),
+ }
+}
+
+#[test]
+fn test_shutdown_script_any_segwit_allowed() {
+ let mut config = UserConfig::default();
+ config.channel_options.announced_channel = true;
+ config.peer_channel_config_limits.force_announced_channel_preference = false;
+ config.channel_options.commit_upfront_shutdown_pubkey = false;
+ let user_cfgs = [None, Some(config), None];
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ //// We test if the remote peer accepts opt_shutdown_anysegwit, a witness program can be used on shutdown
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), InitFeatures::known());
+ nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+ let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+ node_0_shutdown.scriptpubkey = Builder::new().push_int(16)
+ .push_slice(&[0, 0])
+ .into_script();
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 2);
+ match events[0] {
+ MessageSendEvent::SendShutdown { node_id, .. } => { assert_eq!(node_id, nodes[1].node.get_our_node_id()) }
+ _ => panic!("Unexpected event"),
+ }
+ match events[1] {
+ MessageSendEvent::SendClosingSigned { node_id, .. } => { assert_eq!(node_id, nodes[1].node.get_our_node_id()) }
+ _ => panic!("Unexpected event"),
+ }
+}
+
+#[test]
+fn test_shutdown_script_any_segwit_not_allowed() {
+ let mut config = UserConfig::default();
+ config.channel_options.announced_channel = true;
+ config.peer_channel_config_limits.force_announced_channel_preference = false;
+ config.channel_options.commit_upfront_shutdown_pubkey = false;
+ let user_cfgs = [None, Some(config), None];
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ //// We test that if the remote peer does not accept opt_shutdown_anysegwit, the witness program cannot be used on shutdown
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), InitFeatures::known());
+ nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+ let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+ // Make an any segwit version script
+ node_0_shutdown.scriptpubkey = Builder::new().push_int(16)
+ .push_slice(&[0, 0])
+ .into_script();
+ let flags_no = InitFeatures::known().clear_shutdown_anysegwit();
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &flags_no, &node_0_shutdown);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 2);
+ match events[1] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => {
+ assert_eq!(node_id, nodes[1].node.get_our_node_id());
+ assert_eq!(msg.data, "Got a nonstandard scriptpubkey (60020000) from remote peer".to_owned())
+ },
+ _ => panic!("Unexpected event"),
+ }
+ check_added_monitors!(nodes[0], 1);
+}
+
+#[test]
+fn test_shutdown_script_segwit_but_not_anysegwit() {
+ let mut config = UserConfig::default();
+ config.channel_options.announced_channel = true;
+ config.peer_channel_config_limits.force_announced_channel_preference = false;
+ config.channel_options.commit_upfront_shutdown_pubkey = false;
+ let user_cfgs = [None, Some(config), None];
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &user_cfgs);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ //// We test that if shutdown any segwit is supported and we send a witness script with 0 version, this is not accepted
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 1000000, InitFeatures::known(), InitFeatures::known());
+ nodes[1].node.close_channel(&OutPoint { txid: chan.3.txid(), index: 0 }.to_channel_id()).unwrap();
+ let mut node_0_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
+ // Make a segwit script that is not a valid as any segwit
+ node_0_shutdown.scriptpubkey = Builder::new().push_int(0)
+ .push_slice(&[0, 0])
+ .into_script();
+ nodes[0].node.handle_shutdown(&nodes[1].node.get_our_node_id(), &InitFeatures::known(), &node_0_shutdown);
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 2);
+ match events[1] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => {
+ assert_eq!(node_id, nodes[1].node.get_our_node_id());
+ assert_eq!(msg.data, "Got a nonstandard scriptpubkey (00020000) from remote peer".to_owned())
+ },
+ _ => panic!("Unexpected event"),
+ }
+ check_added_monitors!(nodes[0], 1);
+}
+
#[test]
fn test_user_configurable_csv_delay() {
// We test our channel constructors yield errors when we pass them absurd csv delay
projects / rust-lightning / commitdiff