1 //! A bunch of useful utilities for building networks of nodes and exchanging messages between
2 //! nodes for functional tests.
4 use chain::chaininterface;
5 use chain::transaction::OutPoint;
6 use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure};
7 use ln::channelmonitor::{ChannelMonitor, ManyChannelMonitor};
8 use routing::router::{Route, get_route};
9 use routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
10 use ln::features::InitFeatures;
12 use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
13 use util::enforcing_trait_impls::EnforcingChannelKeys;
15 use util::test_utils::TestChannelMonitor;
16 use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
17 use util::errors::APIError;
18 use util::config::UserConfig;
19 use util::ser::{ReadableArgs, Writeable, Readable};
21 use bitcoin::util::hash::BitcoinHash;
22 use bitcoin::blockdata::block::BlockHeader;
23 use bitcoin::blockdata::transaction::{Transaction, TxOut};
24 use bitcoin::network::constants::Network;
26 use bitcoin::hashes::sha256::Hash as Sha256;
27 use bitcoin::hashes::Hash;
28 use bitcoin::hash_types::BlockHash;
30 use bitcoin::secp256k1::key::PublicKey;
32 use rand::{thread_rng,Rng};
34 use std::cell::RefCell;
36 use std::sync::{Mutex, RwLock};
38 use std::collections::HashMap;
40 pub const CHAN_CONFIRM_DEPTH: u32 = 100;
41 pub fn confirm_transaction<'a, 'b: 'a>(notifier: &'a chaininterface::BlockNotifierRef<'b, &chaininterface::ChainWatchInterfaceUtil>, chain: &chaininterface::ChainWatchInterfaceUtil, tx: &Transaction, chan_id: u32) {
42 assert!(chain.does_match_tx(tx));
43 let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
44 notifier.block_connected_checked(&header, 1, &[tx; 1], &[chan_id; 1]);
45 for i in 2..CHAN_CONFIRM_DEPTH {
46 header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
47 notifier.block_connected_checked(&header, i, &vec![], &[0; 0]);
51 pub fn connect_blocks<'a, 'b>(notifier: &'a chaininterface::BlockNotifierRef<'b, &chaininterface::ChainWatchInterfaceUtil>, depth: u32, height: u32, parent: bool, prev_blockhash: BlockHash) -> BlockHash {
52 let mut header = BlockHeader { version: 0x2000000, prev_blockhash: if parent { prev_blockhash } else { Default::default() }, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
53 notifier.block_connected_checked(&header, height + 1, &Vec::new(), &Vec::new());
54 for i in 2..depth + 1 {
55 header = BlockHeader { version: 0x20000000, prev_blockhash: header.bitcoin_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
56 notifier.block_connected_checked(&header, height + i, &Vec::new(), &Vec::new());
61 pub struct TestChanMonCfg {
62 pub tx_broadcaster: test_utils::TestBroadcaster,
63 pub fee_estimator: test_utils::TestFeeEstimator,
64 pub chain_monitor: chaininterface::ChainWatchInterfaceUtil,
65 pub logger: test_utils::TestLogger,
68 pub struct NodeCfg<'a> {
69 pub chain_monitor: &'a chaininterface::ChainWatchInterfaceUtil,
70 pub tx_broadcaster: &'a test_utils::TestBroadcaster,
71 pub fee_estimator: &'a test_utils::TestFeeEstimator,
72 pub chan_monitor: test_utils::TestChannelMonitor<'a>,
73 pub keys_manager: test_utils::TestKeysInterface,
74 pub logger: &'a test_utils::TestLogger,
75 pub node_seed: [u8; 32],
78 pub struct Node<'a, 'b: 'a, 'c: 'b> {
79 pub block_notifier: chaininterface::BlockNotifierRef<'a, &'c chaininterface::ChainWatchInterfaceUtil>,
80 pub chain_monitor: &'c chaininterface::ChainWatchInterfaceUtil,
81 pub tx_broadcaster: &'c test_utils::TestBroadcaster,
82 pub chan_monitor: &'b test_utils::TestChannelMonitor<'c>,
83 pub keys_manager: &'b test_utils::TestKeysInterface,
84 pub node: &'a ChannelManager<EnforcingChannelKeys, &'b TestChannelMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>,
85 pub net_graph_msg_handler: NetGraphMsgHandler<&'c chaininterface::ChainWatchInterfaceUtil, &'c test_utils::TestLogger>,
86 pub node_seed: [u8; 32],
87 pub network_payment_count: Rc<RefCell<u8>>,
88 pub network_chan_count: Rc<RefCell<u32>>,
89 pub logger: &'c test_utils::TestLogger,
92 impl<'a, 'b, 'c> Drop for Node<'a, 'b, 'c> {
94 if !::std::thread::panicking() {
95 // Check that we processed all pending events
96 assert!(self.node.get_and_clear_pending_msg_events().is_empty());
97 assert!(self.node.get_and_clear_pending_events().is_empty());
98 assert!(self.chan_monitor.added_monitors.lock().unwrap().is_empty());
100 // Check that if we serialize the Router, we can deserialize it again.
102 let mut w = test_utils::TestVecWriter(Vec::new());
103 let network_graph_ser = self.net_graph_msg_handler.network_graph.read().unwrap();
104 network_graph_ser.write(&mut w).unwrap();
105 let network_graph_deser = <NetworkGraph>::read(&mut ::std::io::Cursor::new(&w.0)).unwrap();
106 assert!(network_graph_deser == *self.net_graph_msg_handler.network_graph.read().unwrap());
107 let net_graph_msg_handler = NetGraphMsgHandler::from_net_graph(
108 self.chain_monitor, self.logger, RwLock::new(network_graph_deser)
110 let mut chan_progress = 0;
112 let orig_announcements = self.net_graph_msg_handler.get_next_channel_announcements(chan_progress, 255);
113 let deserialized_announcements = net_graph_msg_handler.get_next_channel_announcements(chan_progress, 255);
114 assert!(orig_announcements == deserialized_announcements);
115 chan_progress = match orig_announcements.last() {
116 Some(announcement) => announcement.0.contents.short_channel_id + 1,
120 let mut node_progress = None;
122 let orig_announcements = self.net_graph_msg_handler.get_next_node_announcements(node_progress.as_ref(), 255);
123 let deserialized_announcements = net_graph_msg_handler.get_next_node_announcements(node_progress.as_ref(), 255);
124 assert!(orig_announcements == deserialized_announcements);
125 node_progress = match orig_announcements.last() {
126 Some(announcement) => Some(announcement.contents.node_id),
132 // Check that if we serialize and then deserialize all our channel monitors we get the
133 // same set of outputs to watch for on chain as we have now. Note that if we write
134 // tests that fully close channels and remove the monitors at some point this may break.
135 let feeest = test_utils::TestFeeEstimator { sat_per_kw: 253 };
136 let mut deserialized_monitors = Vec::new();
138 let old_monitors = self.chan_monitor.simple_monitor.monitors.lock().unwrap();
139 for (_, old_monitor) in old_monitors.iter() {
140 let mut w = test_utils::TestVecWriter(Vec::new());
141 old_monitor.write_for_disk(&mut w).unwrap();
142 let (_, deserialized_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
143 &mut ::std::io::Cursor::new(&w.0)).unwrap();
144 deserialized_monitors.push(deserialized_monitor);
148 // Before using all the new monitors to check the watch outpoints, use the full set of
149 // them to ensure we can write and reload our ChannelManager.
151 let mut channel_monitors = HashMap::new();
152 for monitor in deserialized_monitors.iter_mut() {
153 channel_monitors.insert(monitor.get_funding_txo(), monitor);
156 let mut w = test_utils::TestVecWriter(Vec::new());
157 self.node.write(&mut w).unwrap();
158 <(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChannelMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut ::std::io::Cursor::new(w.0), ChannelManagerReadArgs {
159 default_config: UserConfig::default(),
160 keys_manager: self.keys_manager,
161 fee_estimator: &test_utils::TestFeeEstimator { sat_per_kw: 253 },
162 monitor: self.chan_monitor,
163 tx_broadcaster: self.tx_broadcaster.clone(),
164 logger: &test_utils::TestLogger::new(),
165 channel_monitors: &mut channel_monitors,
169 let chain_watch = chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet);
170 let channel_monitor = test_utils::TestChannelMonitor::new(&chain_watch, self.tx_broadcaster.clone(), &self.logger, &feeest);
171 for deserialized_monitor in deserialized_monitors.drain(..) {
172 if let Err(_) = channel_monitor.add_monitor(deserialized_monitor.get_funding_txo(), deserialized_monitor) {
176 if chain_watch != *self.chain_monitor {
183 pub fn create_chan_between_nodes<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
184 create_chan_between_nodes_with_value(node_a, node_b, 100000, 10001, a_flags, b_flags)
187 pub fn create_chan_between_nodes_with_value<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
188 let (funding_locked, channel_id, tx) = create_chan_between_nodes_with_value_a(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
189 let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(node_a, node_b, &funding_locked);
190 (announcement, as_update, bs_update, channel_id, tx)
193 macro_rules! get_revoke_commit_msgs {
194 ($node: expr, $node_id: expr) => {
196 let events = $node.node.get_and_clear_pending_msg_events();
197 assert_eq!(events.len(), 2);
199 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
200 assert_eq!(*node_id, $node_id);
203 _ => panic!("Unexpected event"),
205 MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
206 assert_eq!(*node_id, $node_id);
207 assert!(updates.update_add_htlcs.is_empty());
208 assert!(updates.update_fulfill_htlcs.is_empty());
209 assert!(updates.update_fail_htlcs.is_empty());
210 assert!(updates.update_fail_malformed_htlcs.is_empty());
211 assert!(updates.update_fee.is_none());
212 updates.commitment_signed.clone()
214 _ => panic!("Unexpected event"),
220 macro_rules! get_event_msg {
221 ($node: expr, $event_type: path, $node_id: expr) => {
223 let events = $node.node.get_and_clear_pending_msg_events();
224 assert_eq!(events.len(), 1);
226 $event_type { ref node_id, ref msg } => {
227 assert_eq!(*node_id, $node_id);
230 _ => panic!("Unexpected event"),
236 macro_rules! get_htlc_update_msgs {
237 ($node: expr, $node_id: expr) => {
239 let events = $node.node.get_and_clear_pending_msg_events();
240 assert_eq!(events.len(), 1);
242 MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
243 assert_eq!(*node_id, $node_id);
246 _ => panic!("Unexpected event"),
252 macro_rules! get_feerate {
253 ($node: expr, $channel_id: expr) => {
255 let chan_lock = $node.node.channel_state.lock().unwrap();
256 let chan = chan_lock.by_id.get(&$channel_id).unwrap();
262 macro_rules! get_local_commitment_txn {
263 ($node: expr, $channel_id: expr) => {
265 let mut monitors = $node.chan_monitor.simple_monitor.monitors.lock().unwrap();
266 let mut commitment_txn = None;
267 for (funding_txo, monitor) in monitors.iter_mut() {
268 if funding_txo.to_channel_id() == $channel_id {
269 commitment_txn = Some(monitor.unsafe_get_latest_local_commitment_txn(&$node.logger));
273 commitment_txn.unwrap()
278 macro_rules! unwrap_send_err {
279 ($res: expr, $all_failed: expr, $type: pat, $check: expr) => {
281 &Err(PaymentSendFailure::AllFailedRetrySafe(ref fails)) if $all_failed => {
282 assert_eq!(fails.len(), 1);
288 &Err(PaymentSendFailure::PartialFailure(ref fails)) if !$all_failed => {
289 assert_eq!(fails.len(), 1);
291 Err($type) => { $check },
300 macro_rules! check_added_monitors {
301 ($node: expr, $count: expr) => {
303 let mut added_monitors = $node.chan_monitor.added_monitors.lock().unwrap();
304 assert_eq!(added_monitors.len(), $count);
305 added_monitors.clear();
310 pub fn create_funding_transaction<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, expected_chan_value: u64, expected_user_chan_id: u64) -> ([u8; 32], Transaction, OutPoint) {
311 let chan_id = *node.network_chan_count.borrow();
313 let events = node.node.get_and_clear_pending_events();
314 assert_eq!(events.len(), 1);
316 Event::FundingGenerationReady { ref temporary_channel_id, ref channel_value_satoshis, ref output_script, user_channel_id } => {
317 assert_eq!(*channel_value_satoshis, expected_chan_value);
318 assert_eq!(user_channel_id, expected_user_chan_id);
320 let tx = Transaction { version: chan_id as u32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
321 value: *channel_value_satoshis, script_pubkey: output_script.clone(),
323 let funding_outpoint = OutPoint { txid: tx.txid(), index: 0 };
324 (*temporary_channel_id, tx, funding_outpoint)
326 _ => panic!("Unexpected event"),
330 pub fn create_chan_between_nodes_with_value_init<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> Transaction {
331 node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap();
332 node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), a_flags, &get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id()));
333 node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), b_flags, &get_event_msg!(node_b, MessageSendEvent::SendAcceptChannel, node_a.node.get_our_node_id()));
335 let (temporary_channel_id, tx, funding_output) = create_funding_transaction(node_a, channel_value, 42);
337 node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
338 check_added_monitors!(node_a, 0);
340 node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), &get_event_msg!(node_a, MessageSendEvent::SendFundingCreated, node_b.node.get_our_node_id()));
342 let mut added_monitors = node_b.chan_monitor.added_monitors.lock().unwrap();
343 assert_eq!(added_monitors.len(), 1);
344 assert_eq!(added_monitors[0].0, funding_output);
345 added_monitors.clear();
348 node_a.node.handle_funding_signed(&node_b.node.get_our_node_id(), &get_event_msg!(node_b, MessageSendEvent::SendFundingSigned, node_a.node.get_our_node_id()));
350 let mut added_monitors = node_a.chan_monitor.added_monitors.lock().unwrap();
351 assert_eq!(added_monitors.len(), 1);
352 assert_eq!(added_monitors[0].0, funding_output);
353 added_monitors.clear();
356 let events_4 = node_a.node.get_and_clear_pending_events();
357 assert_eq!(events_4.len(), 1);
359 Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
360 assert_eq!(user_channel_id, 42);
361 assert_eq!(*funding_txo, funding_output);
363 _ => panic!("Unexpected event"),
369 pub fn create_chan_between_nodes_with_value_confirm_first<'a, 'b, 'c, 'd>(node_recv: &'a Node<'b, 'c, 'c>, node_conf: &'a Node<'b, 'c, 'd>, tx: &Transaction) {
370 confirm_transaction(&node_conf.block_notifier, &node_conf.chain_monitor, &tx, tx.version);
371 node_recv.node.handle_funding_locked(&node_conf.node.get_our_node_id(), &get_event_msg!(node_conf, MessageSendEvent::SendFundingLocked, node_recv.node.get_our_node_id()));
374 pub fn create_chan_between_nodes_with_value_confirm_second<'a, 'b, 'c>(node_recv: &Node<'a, 'b, 'c>, node_conf: &Node<'a, 'b, 'c>) -> ((msgs::FundingLocked, msgs::AnnouncementSignatures), [u8; 32]) {
376 let events_6 = node_conf.node.get_and_clear_pending_msg_events();
377 assert_eq!(events_6.len(), 2);
378 ((match events_6[0] {
379 MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
380 channel_id = msg.channel_id.clone();
381 assert_eq!(*node_id, node_recv.node.get_our_node_id());
384 _ => panic!("Unexpected event"),
385 }, match events_6[1] {
386 MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
387 assert_eq!(*node_id, node_recv.node.get_our_node_id());
390 _ => panic!("Unexpected event"),
394 pub fn create_chan_between_nodes_with_value_confirm<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, tx: &Transaction) -> ((msgs::FundingLocked, msgs::AnnouncementSignatures), [u8; 32]) {
395 create_chan_between_nodes_with_value_confirm_first(node_a, node_b, tx);
396 confirm_transaction(&node_a.block_notifier, &node_a.chain_monitor, &tx, tx.version);
397 create_chan_between_nodes_with_value_confirm_second(node_b, node_a)
400 pub fn create_chan_between_nodes_with_value_a<'a, 'b, 'c, 'd>(node_a: &'a Node<'b, 'c, 'd>, node_b: &'a Node<'b, 'c, 'd>, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> ((msgs::FundingLocked, msgs::AnnouncementSignatures), [u8; 32], Transaction) {
401 let tx = create_chan_between_nodes_with_value_init(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
402 let (msgs, chan_id) = create_chan_between_nodes_with_value_confirm(node_a, node_b, &tx);
406 pub fn create_chan_between_nodes_with_value_b<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, as_funding_msgs: &(msgs::FundingLocked, msgs::AnnouncementSignatures)) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate) {
407 node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &as_funding_msgs.0);
408 let bs_announcement_sigs = get_event_msg!(node_b, MessageSendEvent::SendAnnouncementSignatures, node_a.node.get_our_node_id());
409 node_b.node.handle_announcement_signatures(&node_a.node.get_our_node_id(), &as_funding_msgs.1);
411 let events_7 = node_b.node.get_and_clear_pending_msg_events();
412 assert_eq!(events_7.len(), 1);
413 let (announcement, bs_update) = match events_7[0] {
414 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
417 _ => panic!("Unexpected event"),
420 node_a.node.handle_announcement_signatures(&node_b.node.get_our_node_id(), &bs_announcement_sigs);
421 let events_8 = node_a.node.get_and_clear_pending_msg_events();
422 assert_eq!(events_8.len(), 1);
423 let as_update = match events_8[0] {
424 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
425 assert!(*announcement == *msg);
426 assert_eq!(update_msg.contents.short_channel_id, announcement.contents.short_channel_id);
427 assert_eq!(update_msg.contents.short_channel_id, bs_update.contents.short_channel_id);
430 _ => panic!("Unexpected event"),
433 *node_a.network_chan_count.borrow_mut() += 1;
435 ((*announcement).clone(), (*as_update).clone(), (*bs_update).clone())
438 pub fn create_announced_chan_between_nodes<'a, 'b, 'c, 'd>(nodes: &'a Vec<Node<'b, 'c, 'd>>, a: usize, b: usize, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
439 create_announced_chan_between_nodes_with_value(nodes, a, b, 100000, 10001, a_flags, b_flags)
442 pub fn create_announced_chan_between_nodes_with_value<'a, 'b, 'c, 'd>(nodes: &'a Vec<Node<'b, 'c, 'd>>, a: usize, b: usize, channel_value: u64, push_msat: u64, a_flags: InitFeatures, b_flags: InitFeatures) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction) {
443 let chan_announcement = create_chan_between_nodes_with_value(&nodes[a], &nodes[b], channel_value, push_msat, a_flags, b_flags);
445 nodes[a].node.broadcast_node_announcement([0, 0, 0], [0; 32], Vec::new());
446 let a_events = nodes[a].node.get_and_clear_pending_msg_events();
447 assert_eq!(a_events.len(), 1);
448 let a_node_announcement = match a_events[0] {
449 MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => {
452 _ => panic!("Unexpected event"),
455 nodes[b].node.broadcast_node_announcement([1, 1, 1], [1; 32], Vec::new());
456 let b_events = nodes[b].node.get_and_clear_pending_msg_events();
457 assert_eq!(b_events.len(), 1);
458 let b_node_announcement = match b_events[0] {
459 MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => {
462 _ => panic!("Unexpected event"),
466 assert!(node.net_graph_msg_handler.handle_channel_announcement(&chan_announcement.0).unwrap());
467 node.net_graph_msg_handler.handle_channel_update(&chan_announcement.1).unwrap();
468 node.net_graph_msg_handler.handle_channel_update(&chan_announcement.2).unwrap();
469 node.net_graph_msg_handler.handle_node_announcement(&a_node_announcement).unwrap();
470 node.net_graph_msg_handler.handle_node_announcement(&b_node_announcement).unwrap();
472 (chan_announcement.1, chan_announcement.2, chan_announcement.3, chan_announcement.4)
475 macro_rules! check_spends {
476 ($tx: expr, $($spends_txn: expr),*) => {
478 $tx.verify(|out_point| {
480 if out_point.txid == $spends_txn.txid() {
481 return $spends_txn.output.get(out_point.vout as usize).cloned()
490 macro_rules! get_closing_signed_broadcast {
491 ($node: expr, $dest_pubkey: expr) => {
493 let events = $node.get_and_clear_pending_msg_events();
494 assert!(events.len() == 1 || events.len() == 2);
495 (match events[events.len() - 1] {
496 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
497 assert_eq!(msg.contents.flags & 2, 2);
500 _ => panic!("Unexpected event"),
501 }, if events.len() == 2 {
503 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
504 assert_eq!(*node_id, $dest_pubkey);
507 _ => panic!("Unexpected event"),
514 macro_rules! check_closed_broadcast {
515 ($node: expr, $with_error_msg: expr) => {{
516 let events = $node.node.get_and_clear_pending_msg_events();
517 assert_eq!(events.len(), if $with_error_msg { 2 } else { 1 });
519 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
520 assert_eq!(msg.contents.flags & 2, 2);
522 _ => panic!("Unexpected event"),
526 MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id: _ } => {
527 // TODO: Check node_id
530 _ => panic!("Unexpected event"),
536 pub fn close_channel<'a, 'b, 'c>(outbound_node: &Node<'a, 'b, 'c>, inbound_node: &Node<'a, 'b, 'c>, channel_id: &[u8; 32], funding_tx: Transaction, close_inbound_first: bool) -> (msgs::ChannelUpdate, msgs::ChannelUpdate, Transaction) {
537 let (node_a, broadcaster_a, struct_a) = if close_inbound_first { (&inbound_node.node, &inbound_node.tx_broadcaster, inbound_node) } else { (&outbound_node.node, &outbound_node.tx_broadcaster, outbound_node) };
538 let (node_b, broadcaster_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster) } else { (&inbound_node.node, &inbound_node.tx_broadcaster) };
541 node_a.close_channel(channel_id).unwrap();
542 node_b.handle_shutdown(&node_a.get_our_node_id(), &get_event_msg!(struct_a, MessageSendEvent::SendShutdown, node_b.get_our_node_id()));
544 let events_1 = node_b.get_and_clear_pending_msg_events();
545 assert!(events_1.len() >= 1);
546 let shutdown_b = match events_1[0] {
547 MessageSendEvent::SendShutdown { ref node_id, ref msg } => {
548 assert_eq!(node_id, &node_a.get_our_node_id());
551 _ => panic!("Unexpected event"),
554 let closing_signed_b = if !close_inbound_first {
555 assert_eq!(events_1.len(), 1);
558 Some(match events_1[1] {
559 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
560 assert_eq!(node_id, &node_a.get_our_node_id());
563 _ => panic!("Unexpected event"),
567 node_a.handle_shutdown(&node_b.get_our_node_id(), &shutdown_b);
568 let (as_update, bs_update) = if close_inbound_first {
569 assert!(node_a.get_and_clear_pending_msg_events().is_empty());
570 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
571 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
572 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
573 let (as_update, closing_signed_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
575 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap());
576 let (bs_update, none_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
577 assert!(none_b.is_none());
578 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
579 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
580 (as_update, bs_update)
582 let closing_signed_a = get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id());
584 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a);
585 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
586 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
587 let (bs_update, closing_signed_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
589 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
590 let (as_update, none_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
591 assert!(none_a.is_none());
592 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
593 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
594 (as_update, bs_update)
596 assert_eq!(tx_a, tx_b);
597 check_spends!(tx_a, funding_tx);
599 (as_update, bs_update, tx_a)
602 pub struct SendEvent {
603 pub node_id: PublicKey,
604 pub msgs: Vec<msgs::UpdateAddHTLC>,
605 pub commitment_msg: msgs::CommitmentSigned,
608 pub fn from_commitment_update(node_id: PublicKey, updates: msgs::CommitmentUpdate) -> SendEvent {
609 assert!(updates.update_fulfill_htlcs.is_empty());
610 assert!(updates.update_fail_htlcs.is_empty());
611 assert!(updates.update_fail_malformed_htlcs.is_empty());
612 assert!(updates.update_fee.is_none());
613 SendEvent { node_id: node_id, msgs: updates.update_add_htlcs, commitment_msg: updates.commitment_signed }
616 pub fn from_event(event: MessageSendEvent) -> SendEvent {
618 MessageSendEvent::UpdateHTLCs { node_id, updates } => SendEvent::from_commitment_update(node_id, updates),
619 _ => panic!("Unexpected event type!"),
623 pub fn from_node<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>) -> SendEvent {
624 let mut events = node.node.get_and_clear_pending_msg_events();
625 assert_eq!(events.len(), 1);
626 SendEvent::from_event(events.pop().unwrap())
630 macro_rules! commitment_signed_dance {
631 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */) => {
633 check_added_monitors!($node_a, 0);
634 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
635 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
636 check_added_monitors!($node_a, 1);
637 commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, false);
640 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */, true /* return last RAA */) => {
642 let (as_revoke_and_ack, as_commitment_signed) = get_revoke_commit_msgs!($node_a, $node_b.node.get_our_node_id());
643 check_added_monitors!($node_b, 0);
644 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
645 $node_b.node.handle_revoke_and_ack(&$node_a.node.get_our_node_id(), &as_revoke_and_ack);
646 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
647 check_added_monitors!($node_b, 1);
648 $node_b.node.handle_commitment_signed(&$node_a.node.get_our_node_id(), &as_commitment_signed);
649 let (bs_revoke_and_ack, extra_msg_option) = {
650 let events = $node_b.node.get_and_clear_pending_msg_events();
651 assert!(events.len() <= 2);
653 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
654 assert_eq!(*node_id, $node_a.node.get_our_node_id());
657 _ => panic!("Unexpected event"),
658 }, events.get(1).map(|e| e.clone()))
660 check_added_monitors!($node_b, 1);
662 assert!($node_a.node.get_and_clear_pending_events().is_empty());
663 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
665 (extra_msg_option, bs_revoke_and_ack)
668 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */, false /* return extra message */, true /* return last RAA */) => {
670 check_added_monitors!($node_a, 0);
671 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
672 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
673 check_added_monitors!($node_a, 1);
674 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
675 assert!(extra_msg_option.is_none());
679 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */) => {
681 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
682 $node_a.node.handle_revoke_and_ack(&$node_b.node.get_our_node_id(), &bs_revoke_and_ack);
683 check_added_monitors!($node_a, 1);
687 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, false /* no extra message */) => {
689 assert!(commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true).is_none());
692 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr) => {
694 commitment_signed_dance!($node_a, $node_b, $commitment_signed, $fail_backwards, true);
696 expect_pending_htlcs_forwardable!($node_a);
697 check_added_monitors!($node_a, 1);
699 let channel_state = $node_a.node.channel_state.lock().unwrap();
700 assert_eq!(channel_state.pending_msg_events.len(), 1);
701 if let MessageSendEvent::UpdateHTLCs { ref node_id, .. } = channel_state.pending_msg_events[0] {
702 assert_ne!(*node_id, $node_b.node.get_our_node_id());
703 } else { panic!("Unexpected event"); }
705 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
711 macro_rules! get_payment_preimage_hash {
714 let payment_preimage = PaymentPreimage([*$node.network_payment_count.borrow(); 32]);
715 *$node.network_payment_count.borrow_mut() += 1;
716 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).into_inner());
717 (payment_preimage, payment_hash)
722 macro_rules! expect_pending_htlcs_forwardable_ignore {
724 let events = $node.node.get_and_clear_pending_events();
725 assert_eq!(events.len(), 1);
727 Event::PendingHTLCsForwardable { .. } => { },
728 _ => panic!("Unexpected event"),
733 macro_rules! expect_pending_htlcs_forwardable {
735 expect_pending_htlcs_forwardable_ignore!($node);
736 $node.node.process_pending_htlc_forwards();
740 macro_rules! expect_payment_received {
741 ($node: expr, $expected_payment_hash: expr, $expected_recv_value: expr) => {
742 let events = $node.node.get_and_clear_pending_events();
743 assert_eq!(events.len(), 1);
745 Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
746 assert_eq!($expected_payment_hash, *payment_hash);
747 assert_eq!(None, *payment_secret);
748 assert_eq!($expected_recv_value, amt);
750 _ => panic!("Unexpected event"),
755 macro_rules! expect_payment_sent {
756 ($node: expr, $expected_payment_preimage: expr) => {
757 let events = $node.node.get_and_clear_pending_events();
758 assert_eq!(events.len(), 1);
760 Event::PaymentSent { ref payment_preimage } => {
761 assert_eq!($expected_payment_preimage, *payment_preimage);
763 _ => panic!("Unexpected event"),
768 macro_rules! expect_payment_failed {
769 ($node: expr, $expected_payment_hash: expr, $rejected_by_dest: expr $(, $expected_error_code: expr, $expected_error_data: expr)*) => {
770 let events = $node.node.get_and_clear_pending_events();
771 assert_eq!(events.len(), 1);
773 Event::PaymentFailed { ref payment_hash, rejected_by_dest, ref error_code, ref error_data } => {
774 assert_eq!(*payment_hash, $expected_payment_hash);
775 assert_eq!(rejected_by_dest, $rejected_by_dest);
776 assert!(error_code.is_some());
777 assert!(error_data.is_some());
779 assert_eq!(error_code.unwrap(), $expected_error_code);
780 assert_eq!(&error_data.as_ref().unwrap()[..], $expected_error_data);
783 _ => panic!("Unexpected event"),
788 pub fn send_along_route_with_secret<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, route: Route, expected_paths: &[&[&Node<'a, 'b, 'c>]], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>) {
789 origin_node.node.send_payment(&route, our_payment_hash, &our_payment_secret).unwrap();
790 check_added_monitors!(origin_node, expected_paths.len());
791 pass_along_route(origin_node, expected_paths, recv_value, our_payment_hash, our_payment_secret);
794 pub fn pass_along_path<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>, ev: MessageSendEvent, payment_received_expected: bool) {
795 let mut payment_event = SendEvent::from_event(ev);
796 let mut prev_node = origin_node;
798 for (idx, &node) in expected_path.iter().enumerate() {
799 assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
801 node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
802 check_added_monitors!(node, 0);
803 commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
805 expect_pending_htlcs_forwardable!(node);
807 if idx == expected_path.len() - 1 {
808 let events_2 = node.node.get_and_clear_pending_events();
809 if payment_received_expected {
810 assert_eq!(events_2.len(), 1);
812 Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
813 assert_eq!(our_payment_hash, *payment_hash);
814 assert_eq!(our_payment_secret, *payment_secret);
815 assert_eq!(amt, recv_value);
817 _ => panic!("Unexpected event"),
820 assert!(events_2.is_empty());
823 let mut events_2 = node.node.get_and_clear_pending_msg_events();
824 assert_eq!(events_2.len(), 1);
825 check_added_monitors!(node, 1);
826 payment_event = SendEvent::from_event(events_2.remove(0));
827 assert_eq!(payment_event.msgs.len(), 1);
834 pub fn pass_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&[&Node<'a, 'b, 'c>]], recv_value: u64, our_payment_hash: PaymentHash, our_payment_secret: Option<PaymentSecret>) {
835 let mut events = origin_node.node.get_and_clear_pending_msg_events();
836 assert_eq!(events.len(), expected_route.len());
837 for (path_idx, (ev, expected_path)) in events.drain(..).zip(expected_route.iter()).enumerate() {
838 // Once we've gotten through all the HTLCs, the last one should result in a
839 // PaymentReceived (but each previous one should not!), .
840 let expect_payment = path_idx == expected_route.len() - 1;
841 pass_along_path(origin_node, expected_path, recv_value, our_payment_hash.clone(), our_payment_secret, ev, expect_payment);
845 pub fn send_along_route_with_hash<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, route: Route, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64, our_payment_hash: PaymentHash) {
846 send_along_route_with_secret(origin_node, route, &[expected_route], recv_value, our_payment_hash, None);
849 pub fn send_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, route: Route, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash) {
850 let (our_payment_preimage, our_payment_hash) = get_payment_preimage_hash!(origin_node);
851 send_along_route_with_hash(origin_node, route, expected_route, recv_value, our_payment_hash);
852 (our_payment_preimage, our_payment_hash)
855 pub fn claim_payment_along_route_with_secret<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_preimage: PaymentPreimage, our_payment_secret: Option<PaymentSecret>, expected_amount: u64) {
856 for path in expected_paths.iter() {
857 assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
859 assert!(expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage, &our_payment_secret, expected_amount));
860 check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
862 macro_rules! msgs_from_ev {
865 &MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
866 assert!(update_add_htlcs.is_empty());
867 assert_eq!(update_fulfill_htlcs.len(), 1);
868 assert!(update_fail_htlcs.is_empty());
869 assert!(update_fail_malformed_htlcs.is_empty());
870 assert!(update_fee.is_none());
871 ((update_fulfill_htlcs[0].clone(), commitment_signed.clone()), node_id.clone())
873 _ => panic!("Unexpected event"),
877 let mut per_path_msgs: Vec<((msgs::UpdateFulfillHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
878 let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
879 assert_eq!(events.len(), expected_paths.len());
880 for ev in events.iter() {
881 per_path_msgs.push(msgs_from_ev!(ev));
884 for (expected_route, (path_msgs, next_hop)) in expected_paths.iter().zip(per_path_msgs.drain(..)) {
885 let mut next_msgs = Some(path_msgs);
886 let mut expected_next_node = next_hop;
888 macro_rules! last_update_fulfill_dance {
889 ($node: expr, $prev_node: expr) => {
891 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
892 check_added_monitors!($node, 0);
893 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
894 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
898 macro_rules! mid_update_fulfill_dance {
899 ($node: expr, $prev_node: expr, $new_msgs: expr) => {
901 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
902 check_added_monitors!($node, 1);
903 let new_next_msgs = if $new_msgs {
904 let events = $node.node.get_and_clear_pending_msg_events();
905 assert_eq!(events.len(), 1);
906 let (res, nexthop) = msgs_from_ev!(&events[0]);
907 expected_next_node = nexthop;
910 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
913 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
914 next_msgs = new_next_msgs;
919 let mut prev_node = expected_route.last().unwrap();
920 for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
921 assert_eq!(expected_next_node, node.node.get_our_node_id());
922 let update_next_msgs = !skip_last || idx != expected_route.len() - 1;
923 if next_msgs.is_some() {
924 mid_update_fulfill_dance!(node, prev_node, update_next_msgs);
926 assert!(!update_next_msgs);
927 assert!(node.node.get_and_clear_pending_msg_events().is_empty());
929 if !skip_last && idx == expected_route.len() - 1 {
930 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
937 last_update_fulfill_dance!(origin_node, expected_route.first().unwrap());
938 expect_payment_sent!(origin_node, our_payment_preimage);
943 pub fn claim_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], skip_last: bool, our_payment_preimage: PaymentPreimage, expected_amount: u64) {
944 claim_payment_along_route_with_secret(origin_node, &[expected_route], skip_last, our_payment_preimage, None, expected_amount);
947 pub fn claim_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_preimage: PaymentPreimage, expected_amount: u64) {
948 claim_payment_along_route(origin_node, expected_route, false, our_payment_preimage, expected_amount);
951 pub const TEST_FINAL_CLTV: u32 = 32;
953 pub fn route_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash) {
954 let net_graph_msg_handler = &origin_node.net_graph_msg_handler;
955 let logger = test_utils::TestLogger::new();
956 let route = get_route(&origin_node.node.get_our_node_id(), net_graph_msg_handler, &expected_route.last().unwrap().node.get_our_node_id(), None, &Vec::new(), recv_value, TEST_FINAL_CLTV, &logger).unwrap();
957 assert_eq!(route.paths.len(), 1);
958 assert_eq!(route.paths[0].len(), expected_route.len());
959 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
960 assert_eq!(hop.pubkey, node.node.get_our_node_id());
963 send_along_route(origin_node, route, expected_route, recv_value)
966 pub fn route_over_limit<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
967 let logger = test_utils::TestLogger::new();
968 let net_graph_msg_handler = &origin_node.net_graph_msg_handler;
969 let route = get_route(&origin_node.node.get_our_node_id(), net_graph_msg_handler, &expected_route.last().unwrap().node.get_our_node_id(), None, &Vec::new(), recv_value, TEST_FINAL_CLTV, &logger).unwrap();
970 assert_eq!(route.paths.len(), 1);
971 assert_eq!(route.paths[0].len(), expected_route.len());
972 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
973 assert_eq!(hop.pubkey, node.node.get_our_node_id());
976 let (_, our_payment_hash) = get_payment_preimage_hash!(origin_node);
977 unwrap_send_err!(origin_node.node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { err },
978 assert_eq!(err, "Cannot send value that would put us over the max HTLC value in flight our peer will accept"));
981 pub fn send_payment<'a, 'b, 'c>(origin: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64, expected_value: u64) {
982 let our_payment_preimage = route_payment(&origin, expected_route, recv_value).0;
983 claim_payment(&origin, expected_route, our_payment_preimage, expected_value);
986 pub fn fail_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], skip_last: bool, our_payment_hash: PaymentHash) {
987 assert!(expected_route.last().unwrap().node.fail_htlc_backwards(&our_payment_hash, &None));
988 expect_pending_htlcs_forwardable!(expected_route.last().unwrap());
989 check_added_monitors!(expected_route.last().unwrap(), 1);
991 let mut next_msgs: Option<(msgs::UpdateFailHTLC, msgs::CommitmentSigned)> = None;
992 macro_rules! update_fail_dance {
993 ($node: expr, $prev_node: expr, $last_node: expr) => {
995 $node.node.handle_update_fail_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
996 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, !$last_node);
997 if skip_last && $last_node {
998 expect_pending_htlcs_forwardable!($node);
1004 let mut expected_next_node = expected_route.last().unwrap().node.get_our_node_id();
1005 let mut prev_node = expected_route.last().unwrap();
1006 for (idx, node) in expected_route.iter().rev().enumerate() {
1007 assert_eq!(expected_next_node, node.node.get_our_node_id());
1008 if next_msgs.is_some() {
1009 // We may be the "last node" for the purpose of the commitment dance if we're
1010 // skipping the last node (implying it is disconnected) and we're the
1011 // second-to-last node!
1012 update_fail_dance!(node, prev_node, skip_last && idx == expected_route.len() - 1);
1015 let events = node.node.get_and_clear_pending_msg_events();
1016 if !skip_last || idx != expected_route.len() - 1 {
1017 assert_eq!(events.len(), 1);
1019 MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed } } => {
1020 assert!(update_add_htlcs.is_empty());
1021 assert!(update_fulfill_htlcs.is_empty());
1022 assert_eq!(update_fail_htlcs.len(), 1);
1023 assert!(update_fail_malformed_htlcs.is_empty());
1024 assert!(update_fee.is_none());
1025 expected_next_node = node_id.clone();
1026 next_msgs = Some((update_fail_htlcs[0].clone(), commitment_signed.clone()));
1028 _ => panic!("Unexpected event"),
1031 assert!(events.is_empty());
1033 if !skip_last && idx == expected_route.len() - 1 {
1034 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
1041 update_fail_dance!(origin_node, expected_route.first().unwrap(), true);
1043 let events = origin_node.node.get_and_clear_pending_events();
1044 assert_eq!(events.len(), 1);
1046 Event::PaymentFailed { payment_hash, rejected_by_dest, .. } => {
1047 assert_eq!(payment_hash, our_payment_hash);
1048 assert!(rejected_by_dest);
1050 _ => panic!("Unexpected event"),
1055 pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash) {
1056 fail_payment_along_route(origin_node, expected_route, false, our_payment_hash);
1059 pub fn create_chanmon_cfgs(node_count: usize) -> Vec<TestChanMonCfg> {
1060 let mut chan_mon_cfgs = Vec::new();
1061 for i in 0..node_count {
1062 let tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())};
1063 let fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
1064 let chain_monitor = chaininterface::ChainWatchInterfaceUtil::new(Network::Testnet);
1065 let logger = test_utils::TestLogger::with_id(format!("node {}", i));
1066 chan_mon_cfgs.push(TestChanMonCfg{ tx_broadcaster, fee_estimator, chain_monitor, logger });
1072 pub fn create_node_cfgs<'a>(node_count: usize, chanmon_cfgs: &'a Vec<TestChanMonCfg>) -> Vec<NodeCfg<'a>> {
1073 let mut nodes = Vec::new();
1074 let mut rng = thread_rng();
1076 for i in 0..node_count {
1077 let mut seed = [0; 32];
1078 rng.fill_bytes(&mut seed);
1079 let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
1080 let chan_monitor = test_utils::TestChannelMonitor::new(&chanmon_cfgs[i].chain_monitor, &chanmon_cfgs[i].tx_broadcaster, &chanmon_cfgs[i].logger, &chanmon_cfgs[i].fee_estimator);
1081 nodes.push(NodeCfg { chain_monitor: &chanmon_cfgs[i].chain_monitor, logger: &chanmon_cfgs[i].logger, tx_broadcaster: &chanmon_cfgs[i].tx_broadcaster, fee_estimator: &chanmon_cfgs[i].fee_estimator, chan_monitor, keys_manager, node_seed: seed });
1087 pub fn create_node_chanmgrs<'a, 'b>(node_count: usize, cfgs: &'a Vec<NodeCfg<'b>>, node_config: &[Option<UserConfig>]) -> Vec<ChannelManager<EnforcingChannelKeys, &'a TestChannelMonitor<'b>, &'b test_utils::TestBroadcaster, &'a test_utils::TestKeysInterface, &'b test_utils::TestFeeEstimator, &'b test_utils::TestLogger>> {
1088 let mut chanmgrs = Vec::new();
1089 for i in 0..node_count {
1090 let mut default_config = UserConfig::default();
1091 default_config.channel_options.announced_channel = true;
1092 default_config.peer_channel_config_limits.force_announced_channel_preference = false;
1093 default_config.own_channel_config.our_htlc_minimum_msat = 1000; // sanitization being done by the sender, to exerce receiver logic we need to lift of limit
1094 let node = ChannelManager::new(Network::Testnet, cfgs[i].fee_estimator, &cfgs[i].chan_monitor, cfgs[i].tx_broadcaster, cfgs[i].logger.clone(), &cfgs[i].keys_manager, if node_config[i].is_some() { node_config[i].clone().unwrap() } else { default_config }, 0).unwrap();
1095 chanmgrs.push(node);
1101 pub fn create_network<'a, 'b: 'a, 'c: 'b>(node_count: usize, cfgs: &'b Vec<NodeCfg<'c>>, chan_mgrs: &'a Vec<ChannelManager<EnforcingChannelKeys, &'b TestChannelMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>>) -> Vec<Node<'a, 'b, 'c>> {
1102 let mut nodes = Vec::new();
1103 let chan_count = Rc::new(RefCell::new(0));
1104 let payment_count = Rc::new(RefCell::new(0));
1106 for i in 0..node_count {
1107 let block_notifier = chaininterface::BlockNotifier::new(cfgs[i].chain_monitor);
1108 block_notifier.register_listener(&cfgs[i].chan_monitor.simple_monitor as &chaininterface::ChainListener);
1109 block_notifier.register_listener(&chan_mgrs[i] as &chaininterface::ChainListener);
1110 let net_graph_msg_handler = NetGraphMsgHandler::new(cfgs[i].chain_monitor, cfgs[i].logger);
1111 nodes.push(Node{ chain_monitor: &cfgs[i].chain_monitor, block_notifier,
1112 tx_broadcaster: cfgs[i].tx_broadcaster, chan_monitor: &cfgs[i].chan_monitor,
1113 keys_manager: &cfgs[i].keys_manager, node: &chan_mgrs[i], net_graph_msg_handler,
1114 node_seed: cfgs[i].node_seed, network_chan_count: chan_count.clone(),
1115 network_payment_count: payment_count.clone(), logger: cfgs[i].logger,
1122 pub const ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = 138; //Here we have a diff due to HTLC CLTV expiry being < 2^15 in test
1123 pub const OFFERED_HTLC_SCRIPT_WEIGHT: usize = 133;
1125 #[derive(PartialEq)]
1126 pub enum HTLCType { NONE, TIMEOUT, SUCCESS }
1127 /// Tests that the given node has broadcast transactions for the given Channel
1129 /// First checks that the latest local commitment tx has been broadcast, unless an explicit
1130 /// commitment_tx is provided, which may be used to test that a remote commitment tx was
1131 /// broadcast and the revoked outputs were claimed.
1133 /// Next tests that there is (or is not) a transaction that spends the commitment transaction
1134 /// that appears to be the type of HTLC transaction specified in has_htlc_tx.
1136 /// All broadcast transactions must be accounted for in one of the above three types of we'll
1138 pub fn test_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, chan: &(msgs::ChannelUpdate, msgs::ChannelUpdate, [u8; 32], Transaction), commitment_tx: Option<Transaction>, has_htlc_tx: HTLCType) -> Vec<Transaction> {
1139 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1140 assert!(node_txn.len() >= if commitment_tx.is_some() { 0 } else { 1 } + if has_htlc_tx == HTLCType::NONE { 0 } else { 1 });
1142 let mut res = Vec::with_capacity(2);
1143 node_txn.retain(|tx| {
1144 if tx.input.len() == 1 && tx.input[0].previous_output.txid == chan.3.txid() {
1145 check_spends!(tx, chan.3);
1146 if commitment_tx.is_none() {
1147 res.push(tx.clone());
1152 if let Some(explicit_tx) = commitment_tx {
1153 res.push(explicit_tx.clone());
1156 assert_eq!(res.len(), 1);
1158 if has_htlc_tx != HTLCType::NONE {
1159 node_txn.retain(|tx| {
1160 if tx.input.len() == 1 && tx.input[0].previous_output.txid == res[0].txid() {
1161 check_spends!(tx, res[0]);
1162 if has_htlc_tx == HTLCType::TIMEOUT {
1163 assert!(tx.lock_time != 0);
1165 assert!(tx.lock_time == 0);
1167 res.push(tx.clone());
1171 assert!(res.len() == 2 || res.len() == 3);
1173 assert_eq!(res[1], res[2]);
1177 assert!(node_txn.is_empty());
1181 /// Tests that the given node has broadcast a claim transaction against the provided revoked
1182 /// HTLC transaction.
1183 pub fn test_revoked_htlc_claim_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, revoked_tx: Transaction, commitment_revoked_tx: Transaction) {
1184 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1185 // We may issue multiple claiming transaction on revoked outputs due to block rescan
1186 // for revoked htlc outputs
1187 if node_txn.len() != 1 && node_txn.len() != 2 && node_txn.len() != 3 { assert!(false); }
1188 node_txn.retain(|tx| {
1189 if tx.input.len() == 1 && tx.input[0].previous_output.txid == revoked_tx.txid() {
1190 check_spends!(tx, revoked_tx);
1194 node_txn.retain(|tx| {
1195 check_spends!(tx, commitment_revoked_tx);
1198 assert!(node_txn.is_empty());
1201 pub fn check_preimage_claim<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, prev_txn: &Vec<Transaction>) -> Vec<Transaction> {
1202 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1204 assert!(node_txn.len() >= 1);
1205 assert_eq!(node_txn[0].input.len(), 1);
1206 let mut found_prev = false;
1208 for tx in prev_txn {
1209 if node_txn[0].input[0].previous_output.txid == tx.txid() {
1210 check_spends!(node_txn[0], tx);
1211 assert!(node_txn[0].input[0].witness[2].len() > 106); // must spend an htlc output
1212 assert_eq!(tx.input.len(), 1); // must spend a commitment tx
1218 assert!(found_prev);
1220 let mut res = Vec::new();
1221 mem::swap(&mut *node_txn, &mut res);
1225 pub fn get_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize) {
1226 let events_1 = nodes[a].node.get_and_clear_pending_msg_events();
1227 assert_eq!(events_1.len(), 1);
1228 let as_update = match events_1[0] {
1229 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
1232 _ => panic!("Unexpected event"),
1235 let events_2 = nodes[b].node.get_and_clear_pending_msg_events();
1236 assert_eq!(events_2.len(), 1);
1237 let bs_update = match events_2[0] {
1238 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
1241 _ => panic!("Unexpected event"),
1245 node.net_graph_msg_handler.handle_channel_update(&as_update).unwrap();
1246 node.net_graph_msg_handler.handle_channel_update(&bs_update).unwrap();
1250 macro_rules! get_channel_value_stat {
1251 ($node: expr, $channel_id: expr) => {{
1252 let chan_lock = $node.node.channel_state.lock().unwrap();
1253 let chan = chan_lock.by_id.get(&$channel_id).unwrap();
1254 chan.get_value_stat()
1258 macro_rules! get_chan_reestablish_msgs {
1259 ($src_node: expr, $dst_node: expr) => {
1261 let mut res = Vec::with_capacity(1);
1262 for msg in $src_node.node.get_and_clear_pending_msg_events() {
1263 if let MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } = msg {
1264 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1265 res.push(msg.clone());
1267 panic!("Unexpected event")
1275 macro_rules! handle_chan_reestablish_msgs {
1276 ($src_node: expr, $dst_node: expr) => {
1278 let msg_events = $src_node.node.get_and_clear_pending_msg_events();
1280 let funding_locked = if let Some(&MessageSendEvent::SendFundingLocked { ref node_id, ref msg }) = msg_events.get(0) {
1282 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1288 let mut revoke_and_ack = None;
1289 let mut commitment_update = None;
1290 let order = if let Some(ev) = msg_events.get(idx) {
1293 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
1294 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1295 revoke_and_ack = Some(msg.clone());
1296 RAACommitmentOrder::RevokeAndACKFirst
1298 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
1299 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1300 commitment_update = Some(updates.clone());
1301 RAACommitmentOrder::CommitmentFirst
1303 _ => panic!("Unexpected event"),
1306 RAACommitmentOrder::CommitmentFirst
1309 if let Some(ev) = msg_events.get(idx) {
1311 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
1312 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1313 assert!(revoke_and_ack.is_none());
1314 revoke_and_ack = Some(msg.clone());
1316 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
1317 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1318 assert!(commitment_update.is_none());
1319 commitment_update = Some(updates.clone());
1321 _ => panic!("Unexpected event"),
1325 (funding_locked, revoke_and_ack, commitment_update, order)
1330 /// pending_htlc_adds includes both the holding cell and in-flight update_add_htlcs, whereas
1331 /// for claims/fails they are separated out.
1332 pub fn reconnect_nodes<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, send_funding_locked: (bool, bool), pending_htlc_adds: (i64, i64), pending_htlc_claims: (usize, usize), pending_cell_htlc_claims: (usize, usize), pending_cell_htlc_fails: (usize, usize), pending_raa: (bool, bool)) {
1333 node_a.node.peer_connected(&node_b.node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
1334 let reestablish_1 = get_chan_reestablish_msgs!(node_a, node_b);
1335 node_b.node.peer_connected(&node_a.node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
1336 let reestablish_2 = get_chan_reestablish_msgs!(node_b, node_a);
1338 if send_funding_locked.0 {
1339 // If a expects a funding_locked, it better not think it has received a revoke_and_ack
1341 for reestablish in reestablish_1.iter() {
1342 assert_eq!(reestablish.next_remote_commitment_number, 0);
1345 if send_funding_locked.1 {
1346 // If b expects a funding_locked, it better not think it has received a revoke_and_ack
1348 for reestablish in reestablish_2.iter() {
1349 assert_eq!(reestablish.next_remote_commitment_number, 0);
1352 if send_funding_locked.0 || send_funding_locked.1 {
1353 // If we expect any funding_locked's, both sides better have set
1354 // next_local_commitment_number to 1
1355 for reestablish in reestablish_1.iter() {
1356 assert_eq!(reestablish.next_local_commitment_number, 1);
1358 for reestablish in reestablish_2.iter() {
1359 assert_eq!(reestablish.next_local_commitment_number, 1);
1363 let mut resp_1 = Vec::new();
1364 for msg in reestablish_1 {
1365 node_b.node.handle_channel_reestablish(&node_a.node.get_our_node_id(), &msg);
1366 resp_1.push(handle_chan_reestablish_msgs!(node_b, node_a));
1368 if pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
1369 check_added_monitors!(node_b, 1);
1371 check_added_monitors!(node_b, 0);
1374 let mut resp_2 = Vec::new();
1375 for msg in reestablish_2 {
1376 node_a.node.handle_channel_reestablish(&node_b.node.get_our_node_id(), &msg);
1377 resp_2.push(handle_chan_reestablish_msgs!(node_a, node_b));
1379 if pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
1380 check_added_monitors!(node_a, 1);
1382 check_added_monitors!(node_a, 0);
1385 // We don't yet support both needing updates, as that would require a different commitment dance:
1386 assert!((pending_htlc_adds.0 == 0 && pending_htlc_claims.0 == 0 && pending_cell_htlc_claims.0 == 0 && pending_cell_htlc_fails.0 == 0) ||
1387 (pending_htlc_adds.1 == 0 && pending_htlc_claims.1 == 0 && pending_cell_htlc_claims.1 == 0 && pending_cell_htlc_fails.1 == 0));
1389 for chan_msgs in resp_1.drain(..) {
1390 if send_funding_locked.0 {
1391 node_a.node.handle_funding_locked(&node_b.node.get_our_node_id(), &chan_msgs.0.unwrap());
1392 let announcement_event = node_a.node.get_and_clear_pending_msg_events();
1393 if !announcement_event.is_empty() {
1394 assert_eq!(announcement_event.len(), 1);
1395 if let MessageSendEvent::SendAnnouncementSignatures { .. } = announcement_event[0] {
1396 //TODO: Test announcement_sigs re-sending
1397 } else { panic!("Unexpected event!"); }
1400 assert!(chan_msgs.0.is_none());
1403 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
1404 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &chan_msgs.1.unwrap());
1405 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
1406 check_added_monitors!(node_a, 1);
1408 assert!(chan_msgs.1.is_none());
1410 if pending_htlc_adds.0 != 0 || pending_htlc_claims.0 != 0 || pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
1411 let commitment_update = chan_msgs.2.unwrap();
1412 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
1413 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.0 as usize);
1415 assert!(commitment_update.update_add_htlcs.is_empty());
1417 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
1418 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_cell_htlc_fails.0);
1419 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
1420 for update_add in commitment_update.update_add_htlcs {
1421 node_a.node.handle_update_add_htlc(&node_b.node.get_our_node_id(), &update_add);
1423 for update_fulfill in commitment_update.update_fulfill_htlcs {
1424 node_a.node.handle_update_fulfill_htlc(&node_b.node.get_our_node_id(), &update_fulfill);
1426 for update_fail in commitment_update.update_fail_htlcs {
1427 node_a.node.handle_update_fail_htlc(&node_b.node.get_our_node_id(), &update_fail);
1430 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
1431 commitment_signed_dance!(node_a, node_b, commitment_update.commitment_signed, false);
1433 node_a.node.handle_commitment_signed(&node_b.node.get_our_node_id(), &commitment_update.commitment_signed);
1434 check_added_monitors!(node_a, 1);
1435 let as_revoke_and_ack = get_event_msg!(node_a, MessageSendEvent::SendRevokeAndACK, node_b.node.get_our_node_id());
1436 // No commitment_signed so get_event_msg's assert(len == 1) passes
1437 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &as_revoke_and_ack);
1438 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
1439 check_added_monitors!(node_b, 1);
1442 assert!(chan_msgs.2.is_none());
1446 for chan_msgs in resp_2.drain(..) {
1447 if send_funding_locked.1 {
1448 node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &chan_msgs.0.unwrap());
1449 let announcement_event = node_b.node.get_and_clear_pending_msg_events();
1450 if !announcement_event.is_empty() {
1451 assert_eq!(announcement_event.len(), 1);
1452 if let MessageSendEvent::SendAnnouncementSignatures { .. } = announcement_event[0] {
1453 //TODO: Test announcement_sigs re-sending
1454 } else { panic!("Unexpected event!"); }
1457 assert!(chan_msgs.0.is_none());
1460 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
1461 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &chan_msgs.1.unwrap());
1462 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
1463 check_added_monitors!(node_b, 1);
1465 assert!(chan_msgs.1.is_none());
1467 if pending_htlc_adds.1 != 0 || pending_htlc_claims.1 != 0 || pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
1468 let commitment_update = chan_msgs.2.unwrap();
1469 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
1470 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.1 as usize);
1472 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
1473 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_cell_htlc_fails.0);
1474 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
1475 for update_add in commitment_update.update_add_htlcs {
1476 node_b.node.handle_update_add_htlc(&node_a.node.get_our_node_id(), &update_add);
1478 for update_fulfill in commitment_update.update_fulfill_htlcs {
1479 node_b.node.handle_update_fulfill_htlc(&node_a.node.get_our_node_id(), &update_fulfill);
1481 for update_fail in commitment_update.update_fail_htlcs {
1482 node_b.node.handle_update_fail_htlc(&node_a.node.get_our_node_id(), &update_fail);
1485 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
1486 commitment_signed_dance!(node_b, node_a, commitment_update.commitment_signed, false);
1488 node_b.node.handle_commitment_signed(&node_a.node.get_our_node_id(), &commitment_update.commitment_signed);
1489 check_added_monitors!(node_b, 1);
1490 let bs_revoke_and_ack = get_event_msg!(node_b, MessageSendEvent::SendRevokeAndACK, node_a.node.get_our_node_id());
1491 // No commitment_signed so get_event_msg's assert(len == 1) passes
1492 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &bs_revoke_and_ack);
1493 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
1494 check_added_monitors!(node_a, 1);
1497 assert!(chan_msgs.2.is_none());