1 // This file is Copyright its original authors, visible in version control
4 // This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
5 // or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
6 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
7 // You may not use this file except in accordance with one or both of these
10 //! A bunch of useful utilities for building networks of nodes and exchanging messages between
11 //! nodes for functional tests.
14 use chain::channelmonitor::ChannelMonitor;
15 use chain::transaction::OutPoint;
16 use ln::channelmanager::{ChainParameters, ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentPreimage, PaymentHash, PaymentSecret, PaymentSendFailure};
17 use routing::router::{Route, get_route};
18 use routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
19 use ln::features::InitFeatures;
21 use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
22 use util::enforcing_trait_impls::EnforcingSigner;
24 use util::test_utils::TestChainMonitor;
25 use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
26 use util::errors::APIError;
27 use util::config::UserConfig;
28 use util::ser::{ReadableArgs, Writeable, Readable};
30 use bitcoin::blockdata::block::{Block, BlockHeader};
31 use bitcoin::blockdata::constants::genesis_block;
32 use bitcoin::blockdata::transaction::{Transaction, TxOut};
33 use bitcoin::network::constants::Network;
35 use bitcoin::hashes::sha256::Hash as Sha256;
36 use bitcoin::hashes::Hash;
37 use bitcoin::hash_types::BlockHash;
39 use bitcoin::secp256k1::key::PublicKey;
41 use std::cell::RefCell;
45 use std::collections::HashMap;
47 pub const CHAN_CONFIRM_DEPTH: u32 = 100;
49 pub fn confirm_transaction<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction) {
50 let dummy_tx = Transaction { version: 0, lock_time: 0, input: Vec::new(), output: Vec::new() };
51 let dummy_tx_count = tx.version as usize;
52 let mut block = Block {
53 header: BlockHeader { version: 0x20000000, prev_blockhash: genesis_block(Network::Testnet).header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
54 txdata: vec![dummy_tx; dummy_tx_count],
56 block.txdata.push(tx.clone());
57 connect_block(node, &block, 1);
58 for i in 2..CHAN_CONFIRM_DEPTH {
60 header: BlockHeader { version: 0x20000000, prev_blockhash: block.header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
63 connect_block(node, &block, i);
67 pub fn connect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, depth: u32, height: u32, parent: bool, prev_blockhash: BlockHash) -> BlockHash {
68 let mut block = Block {
69 header: BlockHeader { version: 0x2000000, prev_blockhash: if parent { prev_blockhash } else { Default::default() }, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
72 connect_block(node, &block, height + 1);
73 for i in 2..depth + 1 {
75 header: BlockHeader { version: 0x20000000, prev_blockhash: block.header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
78 connect_block(node, &block, height + i);
80 block.header.block_hash()
83 pub fn connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: &Block, height: u32) {
84 let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
85 node.chain_monitor.chain_monitor.block_connected(&block.header, &txdata, height);
86 node.node.block_connected(&block.header, &txdata, height);
87 *node.last_blockhash.lock().unwrap() = block.header.block_hash();
90 pub fn disconnect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, header: &BlockHeader, height: u32) {
91 node.chain_monitor.chain_monitor.block_disconnected(header, height);
92 node.node.block_disconnected(header);
93 *node.last_blockhash.lock().unwrap() = header.prev_blockhash;
96 pub struct TestChanMonCfg {
97 pub tx_broadcaster: test_utils::TestBroadcaster,
98 pub fee_estimator: test_utils::TestFeeEstimator,
99 pub chain_source: test_utils::TestChainSource,
100 pub persister: test_utils::TestPersister,
101 pub logger: test_utils::TestLogger,
102 pub keys_manager: test_utils::TestKeysInterface,
105 pub struct NodeCfg<'a> {
106 pub chain_source: &'a test_utils::TestChainSource,
107 pub tx_broadcaster: &'a test_utils::TestBroadcaster,
108 pub fee_estimator: &'a test_utils::TestFeeEstimator,
109 pub chain_monitor: test_utils::TestChainMonitor<'a>,
110 pub keys_manager: &'a test_utils::TestKeysInterface,
111 pub logger: &'a test_utils::TestLogger,
112 pub node_seed: [u8; 32],
115 pub struct Node<'a, 'b: 'a, 'c: 'b> {
116 pub chain_source: &'c test_utils::TestChainSource,
117 pub tx_broadcaster: &'c test_utils::TestBroadcaster,
118 pub chain_monitor: &'b test_utils::TestChainMonitor<'c>,
119 pub keys_manager: &'b test_utils::TestKeysInterface,
120 pub node: &'a ChannelManager<EnforcingSigner, &'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>,
121 pub net_graph_msg_handler: NetGraphMsgHandler<&'c test_utils::TestChainSource, &'c test_utils::TestLogger>,
122 pub node_seed: [u8; 32],
123 pub network_payment_count: Rc<RefCell<u8>>,
124 pub network_chan_count: Rc<RefCell<u32>>,
125 pub logger: &'c test_utils::TestLogger,
126 pub last_blockhash: Mutex<BlockHash>,
129 impl<'a, 'b, 'c> Drop for Node<'a, 'b, 'c> {
131 if !::std::thread::panicking() {
132 // Check that we processed all pending events
133 assert!(self.node.get_and_clear_pending_msg_events().is_empty());
134 assert!(self.node.get_and_clear_pending_events().is_empty());
135 assert!(self.chain_monitor.added_monitors.lock().unwrap().is_empty());
137 // Check that if we serialize the Router, we can deserialize it again.
139 let mut w = test_utils::TestVecWriter(Vec::new());
140 let network_graph_ser = self.net_graph_msg_handler.network_graph.read().unwrap();
141 network_graph_ser.write(&mut w).unwrap();
142 let network_graph_deser = <NetworkGraph>::read(&mut ::std::io::Cursor::new(&w.0)).unwrap();
143 assert!(network_graph_deser == *self.net_graph_msg_handler.network_graph.read().unwrap());
144 let net_graph_msg_handler = NetGraphMsgHandler::from_net_graph(
145 Some(self.chain_source), self.logger, network_graph_deser
147 let mut chan_progress = 0;
149 let orig_announcements = self.net_graph_msg_handler.get_next_channel_announcements(chan_progress, 255);
150 let deserialized_announcements = net_graph_msg_handler.get_next_channel_announcements(chan_progress, 255);
151 assert!(orig_announcements == deserialized_announcements);
152 chan_progress = match orig_announcements.last() {
153 Some(announcement) => announcement.0.contents.short_channel_id + 1,
157 let mut node_progress = None;
159 let orig_announcements = self.net_graph_msg_handler.get_next_node_announcements(node_progress.as_ref(), 255);
160 let deserialized_announcements = net_graph_msg_handler.get_next_node_announcements(node_progress.as_ref(), 255);
161 assert!(orig_announcements == deserialized_announcements);
162 node_progress = match orig_announcements.last() {
163 Some(announcement) => Some(announcement.contents.node_id),
169 // Check that if we serialize and then deserialize all our channel monitors we get the
170 // same set of outputs to watch for on chain as we have now. Note that if we write
171 // tests that fully close channels and remove the monitors at some point this may break.
172 let feeest = test_utils::TestFeeEstimator { sat_per_kw: 253 };
173 let mut deserialized_monitors = Vec::new();
175 let old_monitors = self.chain_monitor.chain_monitor.monitors.read().unwrap();
176 for (_, old_monitor) in old_monitors.iter() {
177 let mut w = test_utils::TestVecWriter(Vec::new());
178 old_monitor.write(&mut w).unwrap();
179 let (_, deserialized_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
180 &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap();
181 deserialized_monitors.push(deserialized_monitor);
185 // Before using all the new monitors to check the watch outpoints, use the full set of
186 // them to ensure we can write and reload our ChannelManager.
188 let mut channel_monitors = HashMap::new();
189 for monitor in deserialized_monitors.iter_mut() {
190 channel_monitors.insert(monitor.get_funding_txo().0, monitor);
193 let mut w = test_utils::TestVecWriter(Vec::new());
194 self.node.write(&mut w).unwrap();
195 <(BlockHash, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut ::std::io::Cursor::new(w.0), ChannelManagerReadArgs {
196 default_config: UserConfig::default(),
197 keys_manager: self.keys_manager,
198 fee_estimator: &test_utils::TestFeeEstimator { sat_per_kw: 253 },
199 chain_monitor: self.chain_monitor,
200 tx_broadcaster: &test_utils::TestBroadcaster {
201 txn_broadcasted: Mutex::new(self.tx_broadcaster.txn_broadcasted.lock().unwrap().clone())
203 logger: &test_utils::TestLogger::new(),
208 let persister = test_utils::TestPersister::new();
209 let broadcaster = test_utils::TestBroadcaster {
210 txn_broadcasted: Mutex::new(self.tx_broadcaster.txn_broadcasted.lock().unwrap().clone())
212 let chain_source = test_utils::TestChainSource::new(Network::Testnet);
213 let chain_monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &broadcaster, &self.logger, &feeest, &persister, &self.keys_manager);
214 for deserialized_monitor in deserialized_monitors.drain(..) {
215 if let Err(_) = chain_monitor.watch_channel(deserialized_monitor.get_funding_txo().0, deserialized_monitor) {
219 assert_eq!(*chain_source.watched_txn.lock().unwrap(), *self.chain_source.watched_txn.lock().unwrap());
220 assert_eq!(*chain_source.watched_outputs.lock().unwrap(), *self.chain_source.watched_outputs.lock().unwrap());
225 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) {
226 create_chan_between_nodes_with_value(node_a, node_b, 100000, 10001, a_flags, b_flags)
229 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) {
230 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);
231 let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(node_a, node_b, &funding_locked);
232 (announcement, as_update, bs_update, channel_id, tx)
235 macro_rules! get_revoke_commit_msgs {
236 ($node: expr, $node_id: expr) => {
238 let events = $node.node.get_and_clear_pending_msg_events();
239 assert_eq!(events.len(), 2);
241 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
242 assert_eq!(*node_id, $node_id);
245 _ => panic!("Unexpected event"),
247 MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
248 assert_eq!(*node_id, $node_id);
249 assert!(updates.update_add_htlcs.is_empty());
250 assert!(updates.update_fulfill_htlcs.is_empty());
251 assert!(updates.update_fail_htlcs.is_empty());
252 assert!(updates.update_fail_malformed_htlcs.is_empty());
253 assert!(updates.update_fee.is_none());
254 updates.commitment_signed.clone()
256 _ => panic!("Unexpected event"),
262 /// Get an specific event message from the pending events queue.
264 macro_rules! get_event_msg {
265 ($node: expr, $event_type: path, $node_id: expr) => {
267 let events = $node.node.get_and_clear_pending_msg_events();
268 assert_eq!(events.len(), 1);
270 $event_type { ref node_id, ref msg } => {
271 assert_eq!(*node_id, $node_id);
274 _ => panic!("Unexpected event"),
281 macro_rules! get_htlc_update_msgs {
282 ($node: expr, $node_id: expr) => {
284 let events = $node.node.get_and_clear_pending_msg_events();
285 assert_eq!(events.len(), 1);
287 MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
288 assert_eq!(*node_id, $node_id);
291 _ => panic!("Unexpected event"),
298 macro_rules! get_feerate {
299 ($node: expr, $channel_id: expr) => {
301 let chan_lock = $node.node.channel_state.lock().unwrap();
302 let chan = chan_lock.by_id.get(&$channel_id).unwrap();
309 macro_rules! get_local_commitment_txn {
310 ($node: expr, $channel_id: expr) => {
312 let monitors = $node.chain_monitor.chain_monitor.monitors.read().unwrap();
313 let mut commitment_txn = None;
314 for (funding_txo, monitor) in monitors.iter() {
315 if funding_txo.to_channel_id() == $channel_id {
316 commitment_txn = Some(monitor.unsafe_get_latest_holder_commitment_txn(&$node.logger));
320 commitment_txn.unwrap()
325 /// Check the error from attempting a payment.
327 macro_rules! unwrap_send_err {
328 ($res: expr, $all_failed: expr, $type: pat, $check: expr) => {
330 &Err(PaymentSendFailure::AllFailedRetrySafe(ref fails)) if $all_failed => {
331 assert_eq!(fails.len(), 1);
337 &Err(PaymentSendFailure::PartialFailure(ref fails)) if !$all_failed => {
338 assert_eq!(fails.len(), 1);
340 Err($type) => { $check },
349 /// Check whether N channel monitor(s) have been added.
351 macro_rules! check_added_monitors {
352 ($node: expr, $count: expr) => {
354 let mut added_monitors = $node.chain_monitor.added_monitors.lock().unwrap();
355 assert_eq!(added_monitors.len(), $count);
356 added_monitors.clear();
361 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) {
362 let chan_id = *node.network_chan_count.borrow();
364 let events = node.node.get_and_clear_pending_events();
365 assert_eq!(events.len(), 1);
367 Event::FundingGenerationReady { ref temporary_channel_id, ref channel_value_satoshis, ref output_script, user_channel_id } => {
368 assert_eq!(*channel_value_satoshis, expected_chan_value);
369 assert_eq!(user_channel_id, expected_user_chan_id);
371 let tx = Transaction { version: chan_id as i32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
372 value: *channel_value_satoshis, script_pubkey: output_script.clone(),
374 let funding_outpoint = OutPoint { txid: tx.txid(), index: 0 };
375 (*temporary_channel_id, tx, funding_outpoint)
377 _ => panic!("Unexpected event"),
381 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 {
382 node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap();
383 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()));
384 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()));
386 let (temporary_channel_id, tx, funding_output) = create_funding_transaction(node_a, channel_value, 42);
388 node_a.node.funding_transaction_generated(&temporary_channel_id, funding_output);
389 check_added_monitors!(node_a, 0);
391 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()));
393 let mut added_monitors = node_b.chain_monitor.added_monitors.lock().unwrap();
394 assert_eq!(added_monitors.len(), 1);
395 assert_eq!(added_monitors[0].0, funding_output);
396 added_monitors.clear();
399 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()));
401 let mut added_monitors = node_a.chain_monitor.added_monitors.lock().unwrap();
402 assert_eq!(added_monitors.len(), 1);
403 assert_eq!(added_monitors[0].0, funding_output);
404 added_monitors.clear();
407 let events_4 = node_a.node.get_and_clear_pending_events();
408 assert_eq!(events_4.len(), 1);
410 Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
411 assert_eq!(user_channel_id, 42);
412 assert_eq!(*funding_txo, funding_output);
414 _ => panic!("Unexpected event"),
420 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) {
421 confirm_transaction(node_conf, tx);
422 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()));
425 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]) {
427 let events_6 = node_conf.node.get_and_clear_pending_msg_events();
428 assert_eq!(events_6.len(), 2);
429 ((match events_6[0] {
430 MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
431 channel_id = msg.channel_id.clone();
432 assert_eq!(*node_id, node_recv.node.get_our_node_id());
435 _ => panic!("Unexpected event"),
436 }, match events_6[1] {
437 MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
438 assert_eq!(*node_id, node_recv.node.get_our_node_id());
441 _ => panic!("Unexpected event"),
445 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]) {
446 create_chan_between_nodes_with_value_confirm_first(node_a, node_b, tx);
447 confirm_transaction(node_a, tx);
448 create_chan_between_nodes_with_value_confirm_second(node_b, node_a)
451 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) {
452 let tx = create_chan_between_nodes_with_value_init(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
453 let (msgs, chan_id) = create_chan_between_nodes_with_value_confirm(node_a, node_b, &tx);
457 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) {
458 node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &as_funding_msgs.0);
459 let bs_announcement_sigs = get_event_msg!(node_b, MessageSendEvent::SendAnnouncementSignatures, node_a.node.get_our_node_id());
460 node_b.node.handle_announcement_signatures(&node_a.node.get_our_node_id(), &as_funding_msgs.1);
462 let events_7 = node_b.node.get_and_clear_pending_msg_events();
463 assert_eq!(events_7.len(), 1);
464 let (announcement, bs_update) = match events_7[0] {
465 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
468 _ => panic!("Unexpected event"),
471 node_a.node.handle_announcement_signatures(&node_b.node.get_our_node_id(), &bs_announcement_sigs);
472 let events_8 = node_a.node.get_and_clear_pending_msg_events();
473 assert_eq!(events_8.len(), 1);
474 let as_update = match events_8[0] {
475 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
476 assert!(*announcement == *msg);
477 assert_eq!(update_msg.contents.short_channel_id, announcement.contents.short_channel_id);
478 assert_eq!(update_msg.contents.short_channel_id, bs_update.contents.short_channel_id);
481 _ => panic!("Unexpected event"),
484 *node_a.network_chan_count.borrow_mut() += 1;
486 ((*announcement).clone(), (*as_update).clone(), (*bs_update).clone())
489 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) {
490 create_announced_chan_between_nodes_with_value(nodes, a, b, 100000, 10001, a_flags, b_flags)
493 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) {
494 let chan_announcement = create_chan_between_nodes_with_value(&nodes[a], &nodes[b], channel_value, push_msat, a_flags, b_flags);
495 update_nodes_with_chan_announce(nodes, a, b, &chan_announcement.0, &chan_announcement.1, &chan_announcement.2);
496 (chan_announcement.1, chan_announcement.2, chan_announcement.3, chan_announcement.4)
499 pub fn update_nodes_with_chan_announce<'a, 'b, 'c, 'd>(nodes: &'a Vec<Node<'b, 'c, 'd>>, a: usize, b: usize, ann: &msgs::ChannelAnnouncement, upd_1: &msgs::ChannelUpdate, upd_2: &msgs::ChannelUpdate) {
500 nodes[a].node.broadcast_node_announcement([0, 0, 0], [0; 32], Vec::new());
501 let a_events = nodes[a].node.get_and_clear_pending_msg_events();
502 assert_eq!(a_events.len(), 1);
503 let a_node_announcement = match a_events[0] {
504 MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => {
507 _ => panic!("Unexpected event"),
510 nodes[b].node.broadcast_node_announcement([1, 1, 1], [1; 32], Vec::new());
511 let b_events = nodes[b].node.get_and_clear_pending_msg_events();
512 assert_eq!(b_events.len(), 1);
513 let b_node_announcement = match b_events[0] {
514 MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => {
517 _ => panic!("Unexpected event"),
521 assert!(node.net_graph_msg_handler.handle_channel_announcement(ann).unwrap());
522 node.net_graph_msg_handler.handle_channel_update(upd_1).unwrap();
523 node.net_graph_msg_handler.handle_channel_update(upd_2).unwrap();
524 node.net_graph_msg_handler.handle_node_announcement(&a_node_announcement).unwrap();
525 node.net_graph_msg_handler.handle_node_announcement(&b_node_announcement).unwrap();
529 macro_rules! check_spends {
530 ($tx: expr, $($spends_txn: expr),*) => {
532 let get_output = |out_point: &bitcoin::blockdata::transaction::OutPoint| {
534 if out_point.txid == $spends_txn.txid() {
535 return $spends_txn.output.get(out_point.vout as usize).cloned()
540 let mut total_value_in = 0;
541 for input in $tx.input.iter() {
542 total_value_in += get_output(&input.previous_output).unwrap().value;
544 let mut total_value_out = 0;
545 for output in $tx.output.iter() {
546 total_value_out += output.value;
548 let min_fee = ($tx.get_weight() as u64 + 3) / 4; // One sat per vbyte (ie per weight/4, rounded up)
549 // Input amount - output amount = fee, so check that out + min_fee is smaller than input
550 assert!(total_value_out + min_fee <= total_value_in);
551 $tx.verify(get_output).unwrap();
556 macro_rules! get_closing_signed_broadcast {
557 ($node: expr, $dest_pubkey: expr) => {
559 let events = $node.get_and_clear_pending_msg_events();
560 assert!(events.len() == 1 || events.len() == 2);
561 (match events[events.len() - 1] {
562 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
563 assert_eq!(msg.contents.flags & 2, 2);
566 _ => panic!("Unexpected event"),
567 }, if events.len() == 2 {
569 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
570 assert_eq!(*node_id, $dest_pubkey);
573 _ => panic!("Unexpected event"),
580 /// Check that a channel's closing channel update has been broadcasted, and optionally
581 /// check whether an error message event has occurred.
583 macro_rules! check_closed_broadcast {
584 ($node: expr, $with_error_msg: expr) => {{
585 let events = $node.node.get_and_clear_pending_msg_events();
586 assert_eq!(events.len(), if $with_error_msg { 2 } else { 1 });
588 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
589 assert_eq!(msg.contents.flags & 2, 2);
591 _ => panic!("Unexpected event"),
595 MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id: _ } => {
596 // TODO: Check node_id
599 _ => panic!("Unexpected event"),
605 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) {
606 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) };
607 let (node_b, broadcaster_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster) } else { (&inbound_node.node, &inbound_node.tx_broadcaster) };
610 node_a.close_channel(channel_id).unwrap();
611 node_b.handle_shutdown(&node_a.get_our_node_id(), &InitFeatures::known(), &get_event_msg!(struct_a, MessageSendEvent::SendShutdown, node_b.get_our_node_id()));
613 let events_1 = node_b.get_and_clear_pending_msg_events();
614 assert!(events_1.len() >= 1);
615 let shutdown_b = match events_1[0] {
616 MessageSendEvent::SendShutdown { ref node_id, ref msg } => {
617 assert_eq!(node_id, &node_a.get_our_node_id());
620 _ => panic!("Unexpected event"),
623 let closing_signed_b = if !close_inbound_first {
624 assert_eq!(events_1.len(), 1);
627 Some(match events_1[1] {
628 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
629 assert_eq!(node_id, &node_a.get_our_node_id());
632 _ => panic!("Unexpected event"),
636 node_a.handle_shutdown(&node_b.get_our_node_id(), &InitFeatures::known(), &shutdown_b);
637 let (as_update, bs_update) = if close_inbound_first {
638 assert!(node_a.get_and_clear_pending_msg_events().is_empty());
639 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
640 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
641 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
642 let (as_update, closing_signed_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
644 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap());
645 let (bs_update, none_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
646 assert!(none_b.is_none());
647 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
648 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
649 (as_update, bs_update)
651 let closing_signed_a = get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id());
653 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a);
654 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
655 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
656 let (bs_update, closing_signed_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
658 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
659 let (as_update, none_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
660 assert!(none_a.is_none());
661 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
662 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
663 (as_update, bs_update)
665 assert_eq!(tx_a, tx_b);
666 check_spends!(tx_a, funding_tx);
668 (as_update, bs_update, tx_a)
671 pub struct SendEvent {
672 pub node_id: PublicKey,
673 pub msgs: Vec<msgs::UpdateAddHTLC>,
674 pub commitment_msg: msgs::CommitmentSigned,
677 pub fn from_commitment_update(node_id: PublicKey, updates: msgs::CommitmentUpdate) -> SendEvent {
678 assert!(updates.update_fulfill_htlcs.is_empty());
679 assert!(updates.update_fail_htlcs.is_empty());
680 assert!(updates.update_fail_malformed_htlcs.is_empty());
681 assert!(updates.update_fee.is_none());
682 SendEvent { node_id: node_id, msgs: updates.update_add_htlcs, commitment_msg: updates.commitment_signed }
685 pub fn from_event(event: MessageSendEvent) -> SendEvent {
687 MessageSendEvent::UpdateHTLCs { node_id, updates } => SendEvent::from_commitment_update(node_id, updates),
688 _ => panic!("Unexpected event type!"),
692 pub fn from_node<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>) -> SendEvent {
693 let mut events = node.node.get_and_clear_pending_msg_events();
694 assert_eq!(events.len(), 1);
695 SendEvent::from_event(events.pop().unwrap())
699 macro_rules! commitment_signed_dance {
700 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */) => {
702 check_added_monitors!($node_a, 0);
703 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
704 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
705 check_added_monitors!($node_a, 1);
706 commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, false);
709 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */, true /* return last RAA */) => {
711 let (as_revoke_and_ack, as_commitment_signed) = get_revoke_commit_msgs!($node_a, $node_b.node.get_our_node_id());
712 check_added_monitors!($node_b, 0);
713 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
714 $node_b.node.handle_revoke_and_ack(&$node_a.node.get_our_node_id(), &as_revoke_and_ack);
715 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
716 check_added_monitors!($node_b, 1);
717 $node_b.node.handle_commitment_signed(&$node_a.node.get_our_node_id(), &as_commitment_signed);
718 let (bs_revoke_and_ack, extra_msg_option) = {
719 let events = $node_b.node.get_and_clear_pending_msg_events();
720 assert!(events.len() <= 2);
722 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
723 assert_eq!(*node_id, $node_a.node.get_our_node_id());
726 _ => panic!("Unexpected event"),
727 }, events.get(1).map(|e| e.clone()))
729 check_added_monitors!($node_b, 1);
731 assert!($node_a.node.get_and_clear_pending_events().is_empty());
732 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
734 (extra_msg_option, bs_revoke_and_ack)
737 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */, false /* return extra message */, true /* return last RAA */) => {
739 check_added_monitors!($node_a, 0);
740 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
741 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
742 check_added_monitors!($node_a, 1);
743 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
744 assert!(extra_msg_option.is_none());
748 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */) => {
750 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
751 $node_a.node.handle_revoke_and_ack(&$node_b.node.get_our_node_id(), &bs_revoke_and_ack);
752 check_added_monitors!($node_a, 1);
756 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, false /* no extra message */) => {
758 assert!(commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true).is_none());
761 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr) => {
763 commitment_signed_dance!($node_a, $node_b, $commitment_signed, $fail_backwards, true);
765 expect_pending_htlcs_forwardable!($node_a);
766 check_added_monitors!($node_a, 1);
768 let channel_state = $node_a.node.channel_state.lock().unwrap();
769 assert_eq!(channel_state.pending_msg_events.len(), 1);
770 if let MessageSendEvent::UpdateHTLCs { ref node_id, .. } = channel_state.pending_msg_events[0] {
771 assert_ne!(*node_id, $node_b.node.get_our_node_id());
772 } else { panic!("Unexpected event"); }
774 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
780 /// Get a payment preimage and hash.
782 macro_rules! get_payment_preimage_hash {
785 let payment_preimage = PaymentPreimage([*$node.network_payment_count.borrow(); 32]);
786 *$node.network_payment_count.borrow_mut() += 1;
787 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).into_inner());
788 (payment_preimage, payment_hash)
793 macro_rules! expect_pending_htlcs_forwardable_ignore {
795 let events = $node.node.get_and_clear_pending_events();
796 assert_eq!(events.len(), 1);
798 Event::PendingHTLCsForwardable { .. } => { },
799 _ => panic!("Unexpected event"),
804 macro_rules! expect_pending_htlcs_forwardable {
806 expect_pending_htlcs_forwardable_ignore!($node);
807 $node.node.process_pending_htlc_forwards();
812 macro_rules! expect_payment_received {
813 ($node: expr, $expected_payment_hash: expr, $expected_recv_value: expr) => {
814 let events = $node.node.get_and_clear_pending_events();
815 assert_eq!(events.len(), 1);
817 Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
818 assert_eq!($expected_payment_hash, *payment_hash);
819 assert_eq!(None, *payment_secret);
820 assert_eq!($expected_recv_value, amt);
822 _ => panic!("Unexpected event"),
827 macro_rules! expect_payment_sent {
828 ($node: expr, $expected_payment_preimage: expr) => {
829 let events = $node.node.get_and_clear_pending_events();
830 assert_eq!(events.len(), 1);
832 Event::PaymentSent { ref payment_preimage } => {
833 assert_eq!($expected_payment_preimage, *payment_preimage);
835 _ => panic!("Unexpected event"),
841 macro_rules! expect_payment_failed {
842 ($node: expr, $expected_payment_hash: expr, $rejected_by_dest: expr $(, $expected_error_code: expr, $expected_error_data: expr)*) => {
843 let events = $node.node.get_and_clear_pending_events();
844 assert_eq!(events.len(), 1);
846 Event::PaymentFailed { ref payment_hash, rejected_by_dest, ref error_code, ref error_data } => {
847 assert_eq!(*payment_hash, $expected_payment_hash);
848 assert_eq!(rejected_by_dest, $rejected_by_dest);
849 assert!(error_code.is_some());
850 assert!(error_data.is_some());
852 assert_eq!(error_code.unwrap(), $expected_error_code);
853 assert_eq!(&error_data.as_ref().unwrap()[..], $expected_error_data);
856 _ => panic!("Unexpected event"),
861 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>) {
862 origin_node.node.send_payment(&route, our_payment_hash, &our_payment_secret).unwrap();
863 check_added_monitors!(origin_node, expected_paths.len());
864 pass_along_route(origin_node, expected_paths, recv_value, our_payment_hash, our_payment_secret);
867 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) {
868 let mut payment_event = SendEvent::from_event(ev);
869 let mut prev_node = origin_node;
871 for (idx, &node) in expected_path.iter().enumerate() {
872 assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
874 node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
875 check_added_monitors!(node, 0);
876 commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
878 expect_pending_htlcs_forwardable!(node);
880 if idx == expected_path.len() - 1 {
881 let events_2 = node.node.get_and_clear_pending_events();
882 if payment_received_expected {
883 assert_eq!(events_2.len(), 1);
885 Event::PaymentReceived { ref payment_hash, ref payment_secret, amt } => {
886 assert_eq!(our_payment_hash, *payment_hash);
887 assert_eq!(our_payment_secret, *payment_secret);
888 assert_eq!(amt, recv_value);
890 _ => panic!("Unexpected event"),
893 assert!(events_2.is_empty());
896 let mut events_2 = node.node.get_and_clear_pending_msg_events();
897 assert_eq!(events_2.len(), 1);
898 check_added_monitors!(node, 1);
899 payment_event = SendEvent::from_event(events_2.remove(0));
900 assert_eq!(payment_event.msgs.len(), 1);
907 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>) {
908 let mut events = origin_node.node.get_and_clear_pending_msg_events();
909 assert_eq!(events.len(), expected_route.len());
910 for (path_idx, (ev, expected_path)) in events.drain(..).zip(expected_route.iter()).enumerate() {
911 // Once we've gotten through all the HTLCs, the last one should result in a
912 // PaymentReceived (but each previous one should not!), .
913 let expect_payment = path_idx == expected_route.len() - 1;
914 pass_along_path(origin_node, expected_path, recv_value, our_payment_hash.clone(), our_payment_secret, ev, expect_payment);
918 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) {
919 send_along_route_with_secret(origin_node, route, &[expected_route], recv_value, our_payment_hash, None);
922 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) {
923 let (our_payment_preimage, our_payment_hash) = get_payment_preimage_hash!(origin_node);
924 send_along_route_with_hash(origin_node, route, expected_route, recv_value, our_payment_hash);
925 (our_payment_preimage, our_payment_hash)
928 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) {
929 for path in expected_paths.iter() {
930 assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
932 assert!(expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage, &our_payment_secret, expected_amount));
933 check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
935 macro_rules! msgs_from_ev {
938 &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 } } => {
939 assert!(update_add_htlcs.is_empty());
940 assert_eq!(update_fulfill_htlcs.len(), 1);
941 assert!(update_fail_htlcs.is_empty());
942 assert!(update_fail_malformed_htlcs.is_empty());
943 assert!(update_fee.is_none());
944 ((update_fulfill_htlcs[0].clone(), commitment_signed.clone()), node_id.clone())
946 _ => panic!("Unexpected event"),
950 let mut per_path_msgs: Vec<((msgs::UpdateFulfillHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
951 let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
952 assert_eq!(events.len(), expected_paths.len());
953 for ev in events.iter() {
954 per_path_msgs.push(msgs_from_ev!(ev));
957 for (expected_route, (path_msgs, next_hop)) in expected_paths.iter().zip(per_path_msgs.drain(..)) {
958 let mut next_msgs = Some(path_msgs);
959 let mut expected_next_node = next_hop;
961 macro_rules! last_update_fulfill_dance {
962 ($node: expr, $prev_node: expr) => {
964 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
965 check_added_monitors!($node, 0);
966 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
967 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
971 macro_rules! mid_update_fulfill_dance {
972 ($node: expr, $prev_node: expr, $new_msgs: expr) => {
974 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
975 check_added_monitors!($node, 1);
976 let new_next_msgs = if $new_msgs {
977 let events = $node.node.get_and_clear_pending_msg_events();
978 assert_eq!(events.len(), 1);
979 let (res, nexthop) = msgs_from_ev!(&events[0]);
980 expected_next_node = nexthop;
983 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
986 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
987 next_msgs = new_next_msgs;
992 let mut prev_node = expected_route.last().unwrap();
993 for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
994 assert_eq!(expected_next_node, node.node.get_our_node_id());
995 let update_next_msgs = !skip_last || idx != expected_route.len() - 1;
996 if next_msgs.is_some() {
997 mid_update_fulfill_dance!(node, prev_node, update_next_msgs);
999 assert!(!update_next_msgs);
1000 assert!(node.node.get_and_clear_pending_msg_events().is_empty());
1002 if !skip_last && idx == expected_route.len() - 1 {
1003 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
1010 last_update_fulfill_dance!(origin_node, expected_route.first().unwrap());
1011 expect_payment_sent!(origin_node, our_payment_preimage);
1016 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) {
1017 claim_payment_along_route_with_secret(origin_node, &[expected_route], skip_last, our_payment_preimage, None, expected_amount);
1020 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) {
1021 claim_payment_along_route(origin_node, expected_route, false, our_payment_preimage, expected_amount);
1024 pub const TEST_FINAL_CLTV: u32 = 32;
1026 pub fn route_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash) {
1027 let net_graph_msg_handler = &origin_node.net_graph_msg_handler;
1028 let logger = test_utils::TestLogger::new();
1029 let route = get_route(&origin_node.node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &expected_route.last().unwrap().node.get_our_node_id(), None, &Vec::new(), recv_value, TEST_FINAL_CLTV, &logger).unwrap();
1030 assert_eq!(route.paths.len(), 1);
1031 assert_eq!(route.paths[0].len(), expected_route.len());
1032 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
1033 assert_eq!(hop.pubkey, node.node.get_our_node_id());
1036 send_along_route(origin_node, route, expected_route, recv_value)
1039 pub fn route_over_limit<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
1040 let logger = test_utils::TestLogger::new();
1041 let net_graph_msg_handler = &origin_node.net_graph_msg_handler;
1042 let route = get_route(&origin_node.node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &expected_route.last().unwrap().node.get_our_node_id(), None, &Vec::new(), recv_value, TEST_FINAL_CLTV, &logger).unwrap();
1043 assert_eq!(route.paths.len(), 1);
1044 assert_eq!(route.paths[0].len(), expected_route.len());
1045 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
1046 assert_eq!(hop.pubkey, node.node.get_our_node_id());
1049 let (_, our_payment_hash) = get_payment_preimage_hash!(origin_node);
1050 unwrap_send_err!(origin_node.node.send_payment(&route, our_payment_hash, &None), true, APIError::ChannelUnavailable { ref err },
1051 assert!(err.contains("Cannot send value that would put us over the max HTLC value in flight our peer will accept")));
1054 pub fn send_payment<'a, 'b, 'c>(origin: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64, expected_value: u64) {
1055 let our_payment_preimage = route_payment(&origin, expected_route, recv_value).0;
1056 claim_payment(&origin, expected_route, our_payment_preimage, expected_value);
1059 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) {
1060 assert!(expected_route.last().unwrap().node.fail_htlc_backwards(&our_payment_hash, &None));
1061 expect_pending_htlcs_forwardable!(expected_route.last().unwrap());
1062 check_added_monitors!(expected_route.last().unwrap(), 1);
1064 let mut next_msgs: Option<(msgs::UpdateFailHTLC, msgs::CommitmentSigned)> = None;
1065 macro_rules! update_fail_dance {
1066 ($node: expr, $prev_node: expr, $last_node: expr) => {
1068 $node.node.handle_update_fail_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
1069 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, !$last_node);
1070 if skip_last && $last_node {
1071 expect_pending_htlcs_forwardable!($node);
1077 let mut expected_next_node = expected_route.last().unwrap().node.get_our_node_id();
1078 let mut prev_node = expected_route.last().unwrap();
1079 for (idx, node) in expected_route.iter().rev().enumerate() {
1080 assert_eq!(expected_next_node, node.node.get_our_node_id());
1081 if next_msgs.is_some() {
1082 // We may be the "last node" for the purpose of the commitment dance if we're
1083 // skipping the last node (implying it is disconnected) and we're the
1084 // second-to-last node!
1085 update_fail_dance!(node, prev_node, skip_last && idx == expected_route.len() - 1);
1088 let events = node.node.get_and_clear_pending_msg_events();
1089 if !skip_last || idx != expected_route.len() - 1 {
1090 assert_eq!(events.len(), 1);
1092 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 } } => {
1093 assert!(update_add_htlcs.is_empty());
1094 assert!(update_fulfill_htlcs.is_empty());
1095 assert_eq!(update_fail_htlcs.len(), 1);
1096 assert!(update_fail_malformed_htlcs.is_empty());
1097 assert!(update_fee.is_none());
1098 expected_next_node = node_id.clone();
1099 next_msgs = Some((update_fail_htlcs[0].clone(), commitment_signed.clone()));
1101 _ => panic!("Unexpected event"),
1104 assert!(events.is_empty());
1106 if !skip_last && idx == expected_route.len() - 1 {
1107 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
1114 update_fail_dance!(origin_node, expected_route.first().unwrap(), true);
1116 let events = origin_node.node.get_and_clear_pending_events();
1117 assert_eq!(events.len(), 1);
1119 Event::PaymentFailed { payment_hash, rejected_by_dest, .. } => {
1120 assert_eq!(payment_hash, our_payment_hash);
1121 assert!(rejected_by_dest);
1123 _ => panic!("Unexpected event"),
1128 pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash) {
1129 fail_payment_along_route(origin_node, expected_route, false, our_payment_hash);
1132 pub fn create_chanmon_cfgs(node_count: usize) -> Vec<TestChanMonCfg> {
1133 let mut chan_mon_cfgs = Vec::new();
1134 for i in 0..node_count {
1135 let tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())};
1136 let fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
1137 let chain_source = test_utils::TestChainSource::new(Network::Testnet);
1138 let logger = test_utils::TestLogger::with_id(format!("node {}", i));
1139 let persister = test_utils::TestPersister::new();
1140 let seed = [i as u8; 32];
1141 let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
1143 chan_mon_cfgs.push(TestChanMonCfg{ tx_broadcaster, fee_estimator, chain_source, logger, persister, keys_manager });
1149 pub fn create_node_cfgs<'a>(node_count: usize, chanmon_cfgs: &'a Vec<TestChanMonCfg>) -> Vec<NodeCfg<'a>> {
1150 let mut nodes = Vec::new();
1152 for i in 0..node_count {
1153 let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[i].chain_source), &chanmon_cfgs[i].tx_broadcaster, &chanmon_cfgs[i].logger, &chanmon_cfgs[i].fee_estimator, &chanmon_cfgs[i].persister, &chanmon_cfgs[i].keys_manager);
1154 let seed = [i as u8; 32];
1155 nodes.push(NodeCfg { chain_source: &chanmon_cfgs[i].chain_source, logger: &chanmon_cfgs[i].logger, tx_broadcaster: &chanmon_cfgs[i].tx_broadcaster, fee_estimator: &chanmon_cfgs[i].fee_estimator, chain_monitor, keys_manager: &chanmon_cfgs[i].keys_manager, node_seed: seed });
1161 pub fn create_node_chanmgrs<'a, 'b>(node_count: usize, cfgs: &'a Vec<NodeCfg<'b>>, node_config: &[Option<UserConfig>]) -> Vec<ChannelManager<EnforcingSigner, &'a TestChainMonitor<'b>, &'b test_utils::TestBroadcaster, &'a test_utils::TestKeysInterface, &'b test_utils::TestFeeEstimator, &'b test_utils::TestLogger>> {
1162 let mut chanmgrs = Vec::new();
1163 for i in 0..node_count {
1164 let mut default_config = UserConfig::default();
1165 default_config.channel_options.announced_channel = true;
1166 default_config.peer_channel_config_limits.force_announced_channel_preference = false;
1167 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
1168 let network = Network::Testnet;
1169 let params = ChainParameters {
1171 latest_hash: genesis_block(network).header.block_hash(),
1174 let node = ChannelManager::new(cfgs[i].fee_estimator, &cfgs[i].chain_monitor, cfgs[i].tx_broadcaster, cfgs[i].logger, cfgs[i].keys_manager, if node_config[i].is_some() { node_config[i].clone().unwrap() } else { default_config }, params);
1175 chanmgrs.push(node);
1181 pub fn create_network<'a, 'b: 'a, 'c: 'b>(node_count: usize, cfgs: &'b Vec<NodeCfg<'c>>, chan_mgrs: &'a Vec<ChannelManager<EnforcingSigner, &'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>>) -> Vec<Node<'a, 'b, 'c>> {
1182 let mut nodes = Vec::new();
1183 let chan_count = Rc::new(RefCell::new(0));
1184 let payment_count = Rc::new(RefCell::new(0));
1186 for i in 0..node_count {
1187 let net_graph_msg_handler = NetGraphMsgHandler::new(cfgs[i].chain_source.genesis_hash, None, cfgs[i].logger);
1188 nodes.push(Node{ chain_source: cfgs[i].chain_source,
1189 tx_broadcaster: cfgs[i].tx_broadcaster, chain_monitor: &cfgs[i].chain_monitor,
1190 keys_manager: &cfgs[i].keys_manager, node: &chan_mgrs[i], net_graph_msg_handler,
1191 node_seed: cfgs[i].node_seed, network_chan_count: chan_count.clone(),
1192 network_payment_count: payment_count.clone(), logger: cfgs[i].logger,
1193 last_blockhash: Mutex::new(genesis_block(Network::Testnet).header.block_hash()),
1200 pub const ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = 138; //Here we have a diff due to HTLC CLTV expiry being < 2^15 in test
1201 pub const OFFERED_HTLC_SCRIPT_WEIGHT: usize = 133;
1203 #[derive(PartialEq)]
1204 pub enum HTLCType { NONE, TIMEOUT, SUCCESS }
1205 /// Tests that the given node has broadcast transactions for the given Channel
1207 /// First checks that the latest holder commitment tx has been broadcast, unless an explicit
1208 /// commitment_tx is provided, which may be used to test that a remote commitment tx was
1209 /// broadcast and the revoked outputs were claimed.
1211 /// Next tests that there is (or is not) a transaction that spends the commitment transaction
1212 /// that appears to be the type of HTLC transaction specified in has_htlc_tx.
1214 /// All broadcast transactions must be accounted for in one of the above three types of we'll
1216 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> {
1217 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1218 assert!(node_txn.len() >= if commitment_tx.is_some() { 0 } else { 1 } + if has_htlc_tx == HTLCType::NONE { 0 } else { 1 });
1220 let mut res = Vec::with_capacity(2);
1221 node_txn.retain(|tx| {
1222 if tx.input.len() == 1 && tx.input[0].previous_output.txid == chan.3.txid() {
1223 check_spends!(tx, chan.3);
1224 if commitment_tx.is_none() {
1225 res.push(tx.clone());
1230 if let Some(explicit_tx) = commitment_tx {
1231 res.push(explicit_tx.clone());
1234 assert_eq!(res.len(), 1);
1236 if has_htlc_tx != HTLCType::NONE {
1237 node_txn.retain(|tx| {
1238 if tx.input.len() == 1 && tx.input[0].previous_output.txid == res[0].txid() {
1239 check_spends!(tx, res[0]);
1240 if has_htlc_tx == HTLCType::TIMEOUT {
1241 assert!(tx.lock_time != 0);
1243 assert!(tx.lock_time == 0);
1245 res.push(tx.clone());
1249 assert!(res.len() == 2 || res.len() == 3);
1251 assert_eq!(res[1], res[2]);
1255 assert!(node_txn.is_empty());
1259 /// Tests that the given node has broadcast a claim transaction against the provided revoked
1260 /// HTLC transaction.
1261 pub fn test_revoked_htlc_claim_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, revoked_tx: Transaction, commitment_revoked_tx: Transaction) {
1262 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1263 // We may issue multiple claiming transaction on revoked outputs due to block rescan
1264 // for revoked htlc outputs
1265 if node_txn.len() != 1 && node_txn.len() != 2 && node_txn.len() != 3 { assert!(false); }
1266 node_txn.retain(|tx| {
1267 if tx.input.len() == 1 && tx.input[0].previous_output.txid == revoked_tx.txid() {
1268 check_spends!(tx, revoked_tx);
1272 node_txn.retain(|tx| {
1273 check_spends!(tx, commitment_revoked_tx);
1276 assert!(node_txn.is_empty());
1279 pub fn check_preimage_claim<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, prev_txn: &Vec<Transaction>) -> Vec<Transaction> {
1280 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1282 assert!(node_txn.len() >= 1);
1283 assert_eq!(node_txn[0].input.len(), 1);
1284 let mut found_prev = false;
1286 for tx in prev_txn {
1287 if node_txn[0].input[0].previous_output.txid == tx.txid() {
1288 check_spends!(node_txn[0], tx);
1289 assert!(node_txn[0].input[0].witness[2].len() > 106); // must spend an htlc output
1290 assert_eq!(tx.input.len(), 1); // must spend a commitment tx
1296 assert!(found_prev);
1298 let mut res = Vec::new();
1299 mem::swap(&mut *node_txn, &mut res);
1303 pub fn get_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize) {
1304 let events_1 = nodes[a].node.get_and_clear_pending_msg_events();
1305 assert_eq!(events_1.len(), 1);
1306 let as_update = match events_1[0] {
1307 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
1310 _ => panic!("Unexpected event"),
1313 let events_2 = nodes[b].node.get_and_clear_pending_msg_events();
1314 assert_eq!(events_2.len(), 1);
1315 let bs_update = match events_2[0] {
1316 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
1319 _ => panic!("Unexpected event"),
1323 node.net_graph_msg_handler.handle_channel_update(&as_update).unwrap();
1324 node.net_graph_msg_handler.handle_channel_update(&bs_update).unwrap();
1329 macro_rules! get_channel_value_stat {
1330 ($node: expr, $channel_id: expr) => {{
1331 let chan_lock = $node.node.channel_state.lock().unwrap();
1332 let chan = chan_lock.by_id.get(&$channel_id).unwrap();
1333 chan.get_value_stat()
1337 macro_rules! get_chan_reestablish_msgs {
1338 ($src_node: expr, $dst_node: expr) => {
1340 let mut res = Vec::with_capacity(1);
1341 for msg in $src_node.node.get_and_clear_pending_msg_events() {
1342 if let MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } = msg {
1343 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1344 res.push(msg.clone());
1346 panic!("Unexpected event")
1354 macro_rules! handle_chan_reestablish_msgs {
1355 ($src_node: expr, $dst_node: expr) => {
1357 let msg_events = $src_node.node.get_and_clear_pending_msg_events();
1359 let funding_locked = if let Some(&MessageSendEvent::SendFundingLocked { ref node_id, ref msg }) = msg_events.get(0) {
1361 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1367 let mut revoke_and_ack = None;
1368 let mut commitment_update = None;
1369 let order = if let Some(ev) = msg_events.get(idx) {
1372 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
1373 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1374 revoke_and_ack = Some(msg.clone());
1375 RAACommitmentOrder::RevokeAndACKFirst
1377 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
1378 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1379 commitment_update = Some(updates.clone());
1380 RAACommitmentOrder::CommitmentFirst
1382 _ => panic!("Unexpected event"),
1385 RAACommitmentOrder::CommitmentFirst
1388 if let Some(ev) = msg_events.get(idx) {
1390 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
1391 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1392 assert!(revoke_and_ack.is_none());
1393 revoke_and_ack = Some(msg.clone());
1395 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
1396 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1397 assert!(commitment_update.is_none());
1398 commitment_update = Some(updates.clone());
1400 _ => panic!("Unexpected event"),
1404 (funding_locked, revoke_and_ack, commitment_update, order)
1409 /// pending_htlc_adds includes both the holding cell and in-flight update_add_htlcs, whereas
1410 /// for claims/fails they are separated out.
1411 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)) {
1412 node_a.node.peer_connected(&node_b.node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
1413 let reestablish_1 = get_chan_reestablish_msgs!(node_a, node_b);
1414 node_b.node.peer_connected(&node_a.node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
1415 let reestablish_2 = get_chan_reestablish_msgs!(node_b, node_a);
1417 if send_funding_locked.0 {
1418 // If a expects a funding_locked, it better not think it has received a revoke_and_ack
1420 for reestablish in reestablish_1.iter() {
1421 assert_eq!(reestablish.next_remote_commitment_number, 0);
1424 if send_funding_locked.1 {
1425 // If b expects a funding_locked, it better not think it has received a revoke_and_ack
1427 for reestablish in reestablish_2.iter() {
1428 assert_eq!(reestablish.next_remote_commitment_number, 0);
1431 if send_funding_locked.0 || send_funding_locked.1 {
1432 // If we expect any funding_locked's, both sides better have set
1433 // next_holder_commitment_number to 1
1434 for reestablish in reestablish_1.iter() {
1435 assert_eq!(reestablish.next_local_commitment_number, 1);
1437 for reestablish in reestablish_2.iter() {
1438 assert_eq!(reestablish.next_local_commitment_number, 1);
1442 let mut resp_1 = Vec::new();
1443 for msg in reestablish_1 {
1444 node_b.node.handle_channel_reestablish(&node_a.node.get_our_node_id(), &msg);
1445 resp_1.push(handle_chan_reestablish_msgs!(node_b, node_a));
1447 if pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
1448 check_added_monitors!(node_b, 1);
1450 check_added_monitors!(node_b, 0);
1453 let mut resp_2 = Vec::new();
1454 for msg in reestablish_2 {
1455 node_a.node.handle_channel_reestablish(&node_b.node.get_our_node_id(), &msg);
1456 resp_2.push(handle_chan_reestablish_msgs!(node_a, node_b));
1458 if pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
1459 check_added_monitors!(node_a, 1);
1461 check_added_monitors!(node_a, 0);
1464 // We don't yet support both needing updates, as that would require a different commitment dance:
1465 assert!((pending_htlc_adds.0 == 0 && pending_htlc_claims.0 == 0 && pending_cell_htlc_claims.0 == 0 && pending_cell_htlc_fails.0 == 0) ||
1466 (pending_htlc_adds.1 == 0 && pending_htlc_claims.1 == 0 && pending_cell_htlc_claims.1 == 0 && pending_cell_htlc_fails.1 == 0));
1468 for chan_msgs in resp_1.drain(..) {
1469 if send_funding_locked.0 {
1470 node_a.node.handle_funding_locked(&node_b.node.get_our_node_id(), &chan_msgs.0.unwrap());
1471 let announcement_event = node_a.node.get_and_clear_pending_msg_events();
1472 if !announcement_event.is_empty() {
1473 assert_eq!(announcement_event.len(), 1);
1474 if let MessageSendEvent::SendAnnouncementSignatures { .. } = announcement_event[0] {
1475 //TODO: Test announcement_sigs re-sending
1476 } else { panic!("Unexpected event!"); }
1479 assert!(chan_msgs.0.is_none());
1482 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
1483 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &chan_msgs.1.unwrap());
1484 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
1485 check_added_monitors!(node_a, 1);
1487 assert!(chan_msgs.1.is_none());
1489 if pending_htlc_adds.0 != 0 || pending_htlc_claims.0 != 0 || pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
1490 let commitment_update = chan_msgs.2.unwrap();
1491 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
1492 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.0 as usize);
1494 assert!(commitment_update.update_add_htlcs.is_empty());
1496 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
1497 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_cell_htlc_fails.0);
1498 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
1499 for update_add in commitment_update.update_add_htlcs {
1500 node_a.node.handle_update_add_htlc(&node_b.node.get_our_node_id(), &update_add);
1502 for update_fulfill in commitment_update.update_fulfill_htlcs {
1503 node_a.node.handle_update_fulfill_htlc(&node_b.node.get_our_node_id(), &update_fulfill);
1505 for update_fail in commitment_update.update_fail_htlcs {
1506 node_a.node.handle_update_fail_htlc(&node_b.node.get_our_node_id(), &update_fail);
1509 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
1510 commitment_signed_dance!(node_a, node_b, commitment_update.commitment_signed, false);
1512 node_a.node.handle_commitment_signed(&node_b.node.get_our_node_id(), &commitment_update.commitment_signed);
1513 check_added_monitors!(node_a, 1);
1514 let as_revoke_and_ack = get_event_msg!(node_a, MessageSendEvent::SendRevokeAndACK, node_b.node.get_our_node_id());
1515 // No commitment_signed so get_event_msg's assert(len == 1) passes
1516 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &as_revoke_and_ack);
1517 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
1518 check_added_monitors!(node_b, 1);
1521 assert!(chan_msgs.2.is_none());
1525 for chan_msgs in resp_2.drain(..) {
1526 if send_funding_locked.1 {
1527 node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &chan_msgs.0.unwrap());
1528 let announcement_event = node_b.node.get_and_clear_pending_msg_events();
1529 if !announcement_event.is_empty() {
1530 assert_eq!(announcement_event.len(), 1);
1531 if let MessageSendEvent::SendAnnouncementSignatures { .. } = announcement_event[0] {
1532 //TODO: Test announcement_sigs re-sending
1533 } else { panic!("Unexpected event!"); }
1536 assert!(chan_msgs.0.is_none());
1539 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
1540 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &chan_msgs.1.unwrap());
1541 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
1542 check_added_monitors!(node_b, 1);
1544 assert!(chan_msgs.1.is_none());
1546 if pending_htlc_adds.1 != 0 || pending_htlc_claims.1 != 0 || pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
1547 let commitment_update = chan_msgs.2.unwrap();
1548 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
1549 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.1 as usize);
1551 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
1552 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_cell_htlc_fails.0);
1553 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
1554 for update_add in commitment_update.update_add_htlcs {
1555 node_b.node.handle_update_add_htlc(&node_a.node.get_our_node_id(), &update_add);
1557 for update_fulfill in commitment_update.update_fulfill_htlcs {
1558 node_b.node.handle_update_fulfill_htlc(&node_a.node.get_our_node_id(), &update_fulfill);
1560 for update_fail in commitment_update.update_fail_htlcs {
1561 node_b.node.handle_update_fail_htlc(&node_a.node.get_our_node_id(), &update_fail);
1564 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
1565 commitment_signed_dance!(node_b, node_a, commitment_update.commitment_signed, false);
1567 node_b.node.handle_commitment_signed(&node_a.node.get_our_node_id(), &commitment_update.commitment_signed);
1568 check_added_monitors!(node_b, 1);
1569 let bs_revoke_and_ack = get_event_msg!(node_b, MessageSendEvent::SendRevokeAndACK, node_a.node.get_our_node_id());
1570 // No commitment_signed so get_event_msg's assert(len == 1) passes
1571 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &bs_revoke_and_ack);
1572 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
1573 check_added_monitors!(node_a, 1);
1576 assert!(chan_msgs.2.is_none());