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.
13 use chain::{Confirm, Listen, Watch};
14 use chain::channelmonitor::ChannelMonitor;
15 use chain::transaction::OutPoint;
16 use ln::{PaymentPreimage, PaymentHash, PaymentSecret};
17 use ln::channelmanager::{BestBlock, ChainParameters, ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure};
18 use routing::router::{Route, get_route};
19 use routing::network_graph::{NetGraphMsgHandler, NetworkGraph};
20 use ln::features::{InitFeatures, InvoiceFeatures};
22 use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
23 use util::enforcing_trait_impls::EnforcingSigner;
25 use util::test_utils::TestChainMonitor;
26 use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
27 use util::errors::APIError;
28 use util::config::UserConfig;
29 use util::ser::{ReadableArgs, Writeable, Readable};
31 use bitcoin::blockdata::block::{Block, BlockHeader};
32 use bitcoin::blockdata::constants::genesis_block;
33 use bitcoin::blockdata::transaction::{Transaction, TxOut};
34 use bitcoin::network::constants::Network;
36 use bitcoin::hashes::sha256::Hash as Sha256;
37 use bitcoin::hashes::Hash;
38 use bitcoin::hash_types::BlockHash;
40 use bitcoin::secp256k1::key::PublicKey;
43 use core::cell::RefCell;
45 use std::sync::{Arc, Mutex};
48 pub const CHAN_CONFIRM_DEPTH: u32 = 10;
50 /// Mine the given transaction in the next block and then mine CHAN_CONFIRM_DEPTH - 1 blocks on
51 /// top, giving the given transaction CHAN_CONFIRM_DEPTH confirmations.
52 pub fn confirm_transaction<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction) {
53 confirm_transaction_at(node, tx, node.best_block_info().1 + 1);
54 connect_blocks(node, CHAN_CONFIRM_DEPTH - 1);
56 /// Mine a signle block containing the given transaction
57 pub fn mine_transaction<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction) {
58 let height = node.best_block_info().1 + 1;
59 confirm_transaction_at(node, tx, height);
61 /// Mine the given transaction at the given height, mining blocks as required to build to that
63 pub fn confirm_transaction_at<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction, conf_height: u32) {
64 let first_connect_height = node.best_block_info().1 + 1;
65 assert!(first_connect_height <= conf_height);
66 if conf_height > first_connect_height {
67 connect_blocks(node, conf_height - first_connect_height);
69 let mut block = Block {
70 header: BlockHeader { version: 0x20000000, prev_blockhash: node.best_block_hash(), merkle_root: Default::default(), time: conf_height, bits: 42, nonce: 42 },
73 for _ in 0..*node.network_chan_count.borrow() { // Make sure we don't end up with channels at the same short id by offsetting by chan_count
74 block.txdata.push(Transaction { version: 0, lock_time: 0, input: Vec::new(), output: Vec::new() });
76 block.txdata.push(tx.clone());
77 connect_block(node, &block);
80 /// The possible ways we may notify a ChannelManager of a new block
81 #[derive(Clone, Copy, PartialEq)]
82 pub enum ConnectStyle {
83 /// Calls best_block_updated first, detecting transactions in the block only after receiving the
84 /// header and height information.
86 /// The same as BestBlockFirst, however when we have multiple blocks to connect, we only
87 /// make a single best_block_updated call.
88 BestBlockFirstSkippingBlocks,
89 /// Calls transactions_confirmed first, detecting transactions in the block before updating the
90 /// header and height information.
92 /// The same as TransactionsFirst, however when we have multiple blocks to connect, we only
93 /// make a single best_block_updated call.
94 TransactionsFirstSkippingBlocks,
95 /// Provides the full block via the chain::Listen interface. In the current code this is
96 /// equivalent to TransactionsFirst with some additional assertions.
100 pub fn connect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, depth: u32) -> BlockHash {
101 let skip_intermediaries = match *node.connect_style.borrow() {
102 ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::TransactionsFirstSkippingBlocks => true,
106 let height = node.best_block_info().1 + 1;
107 let mut block = Block {
108 header: BlockHeader { version: 0x2000000, prev_blockhash: node.best_block_hash(), merkle_root: Default::default(), time: height, bits: 42, nonce: 42 },
113 do_connect_block(node, &block, skip_intermediaries);
115 header: BlockHeader { version: 0x20000000, prev_blockhash: block.header.block_hash(), merkle_root: Default::default(), time: height + i, bits: 42, nonce: 42 },
119 connect_block(node, &block);
120 block.header.block_hash()
123 pub fn connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: &Block) {
124 do_connect_block(node, block, false);
127 fn do_connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: &Block, skip_intermediaries: bool) {
128 let height = node.best_block_info().1 + 1;
129 if !skip_intermediaries {
130 let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
131 match *node.connect_style.borrow() {
132 ConnectStyle::BestBlockFirst|ConnectStyle::BestBlockFirstSkippingBlocks => {
133 node.chain_monitor.chain_monitor.best_block_updated(&block.header, height);
134 node.chain_monitor.chain_monitor.transactions_confirmed(&block.header, &txdata, height);
135 node.node.best_block_updated(&block.header, height);
136 node.node.transactions_confirmed(&block.header, &txdata, height);
138 ConnectStyle::TransactionsFirst|ConnectStyle::TransactionsFirstSkippingBlocks => {
139 node.chain_monitor.chain_monitor.transactions_confirmed(&block.header, &txdata, height);
140 node.chain_monitor.chain_monitor.best_block_updated(&block.header, height);
141 node.node.transactions_confirmed(&block.header, &txdata, height);
142 node.node.best_block_updated(&block.header, height);
144 ConnectStyle::FullBlockViaListen => {
145 node.chain_monitor.chain_monitor.block_connected(&block, height);
146 node.node.block_connected(&block, height);
150 node.node.test_process_background_events();
151 node.blocks.lock().unwrap().push((block.header, height));
154 pub fn disconnect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, count: u32) {
156 let orig_header = node.blocks.lock().unwrap().pop().unwrap();
157 assert!(orig_header.1 > 0); // Cannot disconnect genesis
158 let prev_header = node.blocks.lock().unwrap().last().unwrap().clone();
160 match *node.connect_style.borrow() {
161 ConnectStyle::FullBlockViaListen => {
162 node.chain_monitor.chain_monitor.block_disconnected(&orig_header.0, orig_header.1);
163 Listen::block_disconnected(node.node, &orig_header.0, orig_header.1);
165 ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::TransactionsFirstSkippingBlocks => {
167 node.chain_monitor.chain_monitor.best_block_updated(&prev_header.0, prev_header.1);
168 node.node.best_block_updated(&prev_header.0, prev_header.1);
172 node.chain_monitor.chain_monitor.best_block_updated(&prev_header.0, prev_header.1);
173 node.node.best_block_updated(&prev_header.0, prev_header.1);
179 pub fn disconnect_all_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>) {
180 let count = node.blocks.lock().unwrap().len() as u32 - 1;
181 disconnect_blocks(node, count);
184 pub struct TestChanMonCfg {
185 pub tx_broadcaster: test_utils::TestBroadcaster,
186 pub fee_estimator: test_utils::TestFeeEstimator,
187 pub chain_source: test_utils::TestChainSource,
188 pub persister: test_utils::TestPersister,
189 pub logger: test_utils::TestLogger,
190 pub keys_manager: test_utils::TestKeysInterface,
193 pub struct NodeCfg<'a> {
194 pub chain_source: &'a test_utils::TestChainSource,
195 pub tx_broadcaster: &'a test_utils::TestBroadcaster,
196 pub fee_estimator: &'a test_utils::TestFeeEstimator,
197 pub chain_monitor: test_utils::TestChainMonitor<'a>,
198 pub keys_manager: &'a test_utils::TestKeysInterface,
199 pub logger: &'a test_utils::TestLogger,
200 pub node_seed: [u8; 32],
203 pub struct Node<'a, 'b: 'a, 'c: 'b> {
204 pub chain_source: &'c test_utils::TestChainSource,
205 pub tx_broadcaster: &'c test_utils::TestBroadcaster,
206 pub chain_monitor: &'b test_utils::TestChainMonitor<'c>,
207 pub keys_manager: &'b test_utils::TestKeysInterface,
208 pub node: &'a ChannelManager<EnforcingSigner, &'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>,
209 pub net_graph_msg_handler: NetGraphMsgHandler<&'c test_utils::TestChainSource, &'c test_utils::TestLogger>,
210 pub node_seed: [u8; 32],
211 pub network_payment_count: Rc<RefCell<u8>>,
212 pub network_chan_count: Rc<RefCell<u32>>,
213 pub logger: &'c test_utils::TestLogger,
214 pub blocks: Arc<Mutex<Vec<(BlockHeader, u32)>>>,
215 pub connect_style: Rc<RefCell<ConnectStyle>>,
217 impl<'a, 'b, 'c> Node<'a, 'b, 'c> {
218 pub fn best_block_hash(&self) -> BlockHash {
219 self.blocks.lock().unwrap().last().unwrap().0.block_hash()
221 pub fn best_block_info(&self) -> (BlockHash, u32) {
222 self.blocks.lock().unwrap().last().map(|(a, b)| (a.block_hash(), *b)).unwrap()
224 pub fn get_block_header(&self, height: u32) -> BlockHeader {
225 self.blocks.lock().unwrap()[height as usize].0
229 impl<'a, 'b, 'c> Drop for Node<'a, 'b, 'c> {
231 if !::std::thread::panicking() {
232 // Check that we processed all pending events
233 assert!(self.node.get_and_clear_pending_msg_events().is_empty());
234 assert!(self.node.get_and_clear_pending_events().is_empty());
235 assert!(self.chain_monitor.added_monitors.lock().unwrap().is_empty());
237 // Check that if we serialize the Router, we can deserialize it again.
239 let mut w = test_utils::TestVecWriter(Vec::new());
240 let network_graph_ser = self.net_graph_msg_handler.network_graph.read().unwrap();
241 network_graph_ser.write(&mut w).unwrap();
242 let network_graph_deser = <NetworkGraph>::read(&mut ::std::io::Cursor::new(&w.0)).unwrap();
243 assert!(network_graph_deser == *self.net_graph_msg_handler.network_graph.read().unwrap());
244 let net_graph_msg_handler = NetGraphMsgHandler::from_net_graph(
245 Some(self.chain_source), self.logger, network_graph_deser
247 let mut chan_progress = 0;
249 let orig_announcements = self.net_graph_msg_handler.get_next_channel_announcements(chan_progress, 255);
250 let deserialized_announcements = net_graph_msg_handler.get_next_channel_announcements(chan_progress, 255);
251 assert!(orig_announcements == deserialized_announcements);
252 chan_progress = match orig_announcements.last() {
253 Some(announcement) => announcement.0.contents.short_channel_id + 1,
257 let mut node_progress = None;
259 let orig_announcements = self.net_graph_msg_handler.get_next_node_announcements(node_progress.as_ref(), 255);
260 let deserialized_announcements = net_graph_msg_handler.get_next_node_announcements(node_progress.as_ref(), 255);
261 assert!(orig_announcements == deserialized_announcements);
262 node_progress = match orig_announcements.last() {
263 Some(announcement) => Some(announcement.contents.node_id),
269 // Check that if we serialize and then deserialize all our channel monitors we get the
270 // same set of outputs to watch for on chain as we have now. Note that if we write
271 // tests that fully close channels and remove the monitors at some point this may break.
272 let feeest = test_utils::TestFeeEstimator { sat_per_kw: 253 };
273 let mut deserialized_monitors = Vec::new();
275 let old_monitors = self.chain_monitor.chain_monitor.monitors.read().unwrap();
276 for (_, old_monitor) in old_monitors.iter() {
277 let mut w = test_utils::TestVecWriter(Vec::new());
278 old_monitor.write(&mut w).unwrap();
279 let (_, deserialized_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
280 &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap();
281 deserialized_monitors.push(deserialized_monitor);
285 // Before using all the new monitors to check the watch outpoints, use the full set of
286 // them to ensure we can write and reload our ChannelManager.
288 let mut channel_monitors = HashMap::new();
289 for monitor in deserialized_monitors.iter_mut() {
290 channel_monitors.insert(monitor.get_funding_txo().0, monitor);
293 let mut w = test_utils::TestVecWriter(Vec::new());
294 self.node.write(&mut w).unwrap();
295 <(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 {
296 default_config: *self.node.get_current_default_configuration(),
297 keys_manager: self.keys_manager,
298 fee_estimator: &test_utils::TestFeeEstimator { sat_per_kw: 253 },
299 chain_monitor: self.chain_monitor,
300 tx_broadcaster: &test_utils::TestBroadcaster {
301 txn_broadcasted: Mutex::new(self.tx_broadcaster.txn_broadcasted.lock().unwrap().clone()),
302 blocks: Arc::new(Mutex::new(self.tx_broadcaster.blocks.lock().unwrap().clone())),
304 logger: &test_utils::TestLogger::new(),
309 let persister = test_utils::TestPersister::new();
310 let broadcaster = test_utils::TestBroadcaster {
311 txn_broadcasted: Mutex::new(self.tx_broadcaster.txn_broadcasted.lock().unwrap().clone()),
312 blocks: Arc::new(Mutex::new(self.tx_broadcaster.blocks.lock().unwrap().clone())),
314 let chain_source = test_utils::TestChainSource::new(Network::Testnet);
315 let chain_monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &broadcaster, &self.logger, &feeest, &persister, &self.keys_manager);
316 for deserialized_monitor in deserialized_monitors.drain(..) {
317 if let Err(_) = chain_monitor.watch_channel(deserialized_monitor.get_funding_txo().0, deserialized_monitor) {
321 assert_eq!(*chain_source.watched_txn.lock().unwrap(), *self.chain_source.watched_txn.lock().unwrap());
322 assert_eq!(*chain_source.watched_outputs.lock().unwrap(), *self.chain_source.watched_outputs.lock().unwrap());
327 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) {
328 create_chan_between_nodes_with_value(node_a, node_b, 100000, 10001, a_flags, b_flags)
331 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) {
332 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);
333 let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(node_a, node_b, &funding_locked);
334 (announcement, as_update, bs_update, channel_id, tx)
337 macro_rules! get_revoke_commit_msgs {
338 ($node: expr, $node_id: expr) => {
340 let events = $node.node.get_and_clear_pending_msg_events();
341 assert_eq!(events.len(), 2);
343 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
344 assert_eq!(*node_id, $node_id);
347 _ => panic!("Unexpected event"),
349 MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
350 assert_eq!(*node_id, $node_id);
351 assert!(updates.update_add_htlcs.is_empty());
352 assert!(updates.update_fulfill_htlcs.is_empty());
353 assert!(updates.update_fail_htlcs.is_empty());
354 assert!(updates.update_fail_malformed_htlcs.is_empty());
355 assert!(updates.update_fee.is_none());
356 updates.commitment_signed.clone()
358 _ => panic!("Unexpected event"),
364 /// Get an specific event message from the pending events queue.
366 macro_rules! get_event_msg {
367 ($node: expr, $event_type: path, $node_id: expr) => {
369 let events = $node.node.get_and_clear_pending_msg_events();
370 assert_eq!(events.len(), 1);
372 $event_type { ref node_id, ref msg } => {
373 assert_eq!(*node_id, $node_id);
376 _ => panic!("Unexpected event"),
382 /// Get a specific event from the pending events queue.
384 macro_rules! get_event {
385 ($node: expr, $event_type: path) => {
387 let mut events = $node.node.get_and_clear_pending_events();
388 assert_eq!(events.len(), 1);
389 let ev = events.pop().unwrap();
391 $event_type { .. } => {
394 _ => panic!("Unexpected event"),
401 macro_rules! get_htlc_update_msgs {
402 ($node: expr, $node_id: expr) => {
404 let events = $node.node.get_and_clear_pending_msg_events();
405 assert_eq!(events.len(), 1);
407 MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
408 assert_eq!(*node_id, $node_id);
411 _ => panic!("Unexpected event"),
418 macro_rules! get_feerate {
419 ($node: expr, $channel_id: expr) => {
421 let chan_lock = $node.node.channel_state.lock().unwrap();
422 let chan = chan_lock.by_id.get(&$channel_id).unwrap();
428 /// Returns any local commitment transactions for the channel.
430 macro_rules! get_local_commitment_txn {
431 ($node: expr, $channel_id: expr) => {
433 let monitors = $node.chain_monitor.chain_monitor.monitors.read().unwrap();
434 let mut commitment_txn = None;
435 for (funding_txo, monitor) in monitors.iter() {
436 if funding_txo.to_channel_id() == $channel_id {
437 commitment_txn = Some(monitor.unsafe_get_latest_holder_commitment_txn(&$node.logger));
441 commitment_txn.unwrap()
446 /// Check the error from attempting a payment.
448 macro_rules! unwrap_send_err {
449 ($res: expr, $all_failed: expr, $type: pat, $check: expr) => {
451 &Err(PaymentSendFailure::AllFailedRetrySafe(ref fails)) if $all_failed => {
452 assert_eq!(fails.len(), 1);
458 &Err(PaymentSendFailure::PartialFailure(ref fails)) if !$all_failed => {
459 assert_eq!(fails.len(), 1);
461 Err($type) => { $check },
470 /// Check whether N channel monitor(s) have been added.
472 macro_rules! check_added_monitors {
473 ($node: expr, $count: expr) => {
475 let mut added_monitors = $node.chain_monitor.added_monitors.lock().unwrap();
476 assert_eq!(added_monitors.len(), $count);
477 added_monitors.clear();
482 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) {
483 let chan_id = *node.network_chan_count.borrow();
485 let events = node.node.get_and_clear_pending_events();
486 assert_eq!(events.len(), 1);
488 Event::FundingGenerationReady { ref temporary_channel_id, ref channel_value_satoshis, ref output_script, user_channel_id } => {
489 assert_eq!(*channel_value_satoshis, expected_chan_value);
490 assert_eq!(user_channel_id, expected_user_chan_id);
492 let tx = Transaction { version: chan_id as i32, lock_time: 0, input: Vec::new(), output: vec![TxOut {
493 value: *channel_value_satoshis, script_pubkey: output_script.clone(),
495 let funding_outpoint = OutPoint { txid: tx.txid(), index: 0 };
496 (*temporary_channel_id, tx, funding_outpoint)
498 _ => panic!("Unexpected event"),
502 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 {
503 node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap();
504 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()));
505 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()));
507 let (temporary_channel_id, tx, funding_output) = create_funding_transaction(node_a, channel_value, 42);
509 node_a.node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap();
510 check_added_monitors!(node_a, 0);
512 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()));
514 let mut added_monitors = node_b.chain_monitor.added_monitors.lock().unwrap();
515 assert_eq!(added_monitors.len(), 1);
516 assert_eq!(added_monitors[0].0, funding_output);
517 added_monitors.clear();
520 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()));
522 let mut added_monitors = node_a.chain_monitor.added_monitors.lock().unwrap();
523 assert_eq!(added_monitors.len(), 1);
524 assert_eq!(added_monitors[0].0, funding_output);
525 added_monitors.clear();
528 let events_4 = node_a.node.get_and_clear_pending_events();
529 assert_eq!(events_4.len(), 0);
531 assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
532 assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap()[0], tx);
533 node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
538 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, conf_height: u32) {
539 confirm_transaction_at(node_conf, tx, conf_height);
540 connect_blocks(node_conf, CHAN_CONFIRM_DEPTH - 1);
541 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()));
544 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]) {
546 let events_6 = node_conf.node.get_and_clear_pending_msg_events();
547 assert_eq!(events_6.len(), 2);
548 ((match events_6[0] {
549 MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => {
550 channel_id = msg.channel_id.clone();
551 assert_eq!(*node_id, node_recv.node.get_our_node_id());
554 _ => panic!("Unexpected event"),
555 }, match events_6[1] {
556 MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
557 assert_eq!(*node_id, node_recv.node.get_our_node_id());
560 _ => panic!("Unexpected event"),
564 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]) {
565 let conf_height = core::cmp::max(node_a.best_block_info().1 + 1, node_b.best_block_info().1 + 1);
566 create_chan_between_nodes_with_value_confirm_first(node_a, node_b, tx, conf_height);
567 confirm_transaction_at(node_a, tx, conf_height);
568 connect_blocks(node_a, CHAN_CONFIRM_DEPTH - 1);
569 create_chan_between_nodes_with_value_confirm_second(node_b, node_a)
572 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) {
573 let tx = create_chan_between_nodes_with_value_init(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
574 let (msgs, chan_id) = create_chan_between_nodes_with_value_confirm(node_a, node_b, &tx);
578 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) {
579 node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &as_funding_msgs.0);
580 let bs_announcement_sigs = get_event_msg!(node_b, MessageSendEvent::SendAnnouncementSignatures, node_a.node.get_our_node_id());
581 node_b.node.handle_announcement_signatures(&node_a.node.get_our_node_id(), &as_funding_msgs.1);
583 let events_7 = node_b.node.get_and_clear_pending_msg_events();
584 assert_eq!(events_7.len(), 1);
585 let (announcement, bs_update) = match events_7[0] {
586 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
589 _ => panic!("Unexpected event"),
592 node_a.node.handle_announcement_signatures(&node_b.node.get_our_node_id(), &bs_announcement_sigs);
593 let events_8 = node_a.node.get_and_clear_pending_msg_events();
594 assert_eq!(events_8.len(), 1);
595 let as_update = match events_8[0] {
596 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
597 assert!(*announcement == *msg);
598 assert_eq!(update_msg.contents.short_channel_id, announcement.contents.short_channel_id);
599 assert_eq!(update_msg.contents.short_channel_id, bs_update.contents.short_channel_id);
602 _ => panic!("Unexpected event"),
605 *node_a.network_chan_count.borrow_mut() += 1;
607 ((*announcement).clone(), (*as_update).clone(), (*bs_update).clone())
610 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) {
611 create_announced_chan_between_nodes_with_value(nodes, a, b, 100000, 10001, a_flags, b_flags)
614 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) {
615 let chan_announcement = create_chan_between_nodes_with_value(&nodes[a], &nodes[b], channel_value, push_msat, a_flags, b_flags);
616 update_nodes_with_chan_announce(nodes, a, b, &chan_announcement.0, &chan_announcement.1, &chan_announcement.2);
617 (chan_announcement.1, chan_announcement.2, chan_announcement.3, chan_announcement.4)
620 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) {
621 nodes[a].node.broadcast_node_announcement([0, 0, 0], [0; 32], Vec::new());
622 let a_events = nodes[a].node.get_and_clear_pending_msg_events();
623 assert!(a_events.len() >= 2);
625 // ann should be re-generated by broadcast_node_announcement - check that we have it.
626 let mut found_ann_1 = false;
627 for event in a_events.iter() {
629 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, .. } => {
630 if msg == ann { found_ann_1 = true; }
632 MessageSendEvent::BroadcastNodeAnnouncement { .. } => {},
633 _ => panic!("Unexpected event {:?}", event),
636 assert!(found_ann_1);
638 let a_node_announcement = match a_events.last().unwrap() {
639 MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => {
642 _ => panic!("Unexpected event"),
645 nodes[b].node.broadcast_node_announcement([1, 1, 1], [1; 32], Vec::new());
646 let b_events = nodes[b].node.get_and_clear_pending_msg_events();
647 assert!(b_events.len() >= 2);
649 // ann should be re-generated by broadcast_node_announcement - check that we have it.
650 let mut found_ann_2 = false;
651 for event in b_events.iter() {
653 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, .. } => {
654 if msg == ann { found_ann_2 = true; }
656 MessageSendEvent::BroadcastNodeAnnouncement { .. } => {},
657 _ => panic!("Unexpected event"),
660 assert!(found_ann_2);
662 let b_node_announcement = match b_events.last().unwrap() {
663 MessageSendEvent::BroadcastNodeAnnouncement { ref msg } => {
666 _ => panic!("Unexpected event"),
670 assert!(node.net_graph_msg_handler.handle_channel_announcement(ann).unwrap());
671 node.net_graph_msg_handler.handle_channel_update(upd_1).unwrap();
672 node.net_graph_msg_handler.handle_channel_update(upd_2).unwrap();
673 node.net_graph_msg_handler.handle_node_announcement(&a_node_announcement).unwrap();
674 node.net_graph_msg_handler.handle_node_announcement(&b_node_announcement).unwrap();
678 macro_rules! check_spends {
679 ($tx: expr, $($spends_txn: expr),*) => {
681 let get_output = |out_point: &bitcoin::blockdata::transaction::OutPoint| {
683 if out_point.txid == $spends_txn.txid() {
684 return $spends_txn.output.get(out_point.vout as usize).cloned()
689 let mut total_value_in = 0;
690 for input in $tx.input.iter() {
691 total_value_in += get_output(&input.previous_output).unwrap().value;
693 let mut total_value_out = 0;
694 for output in $tx.output.iter() {
695 total_value_out += output.value;
697 let min_fee = ($tx.get_weight() as u64 + 3) / 4; // One sat per vbyte (ie per weight/4, rounded up)
698 // Input amount - output amount = fee, so check that out + min_fee is smaller than input
699 assert!(total_value_out + min_fee <= total_value_in);
700 $tx.verify(get_output).unwrap();
705 macro_rules! get_closing_signed_broadcast {
706 ($node: expr, $dest_pubkey: expr) => {
708 let events = $node.get_and_clear_pending_msg_events();
709 assert!(events.len() == 1 || events.len() == 2);
710 (match events[events.len() - 1] {
711 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
712 assert_eq!(msg.contents.flags & 2, 2);
715 _ => panic!("Unexpected event"),
716 }, if events.len() == 2 {
718 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
719 assert_eq!(*node_id, $dest_pubkey);
722 _ => panic!("Unexpected event"),
729 /// Check that a channel's closing channel update has been broadcasted, and optionally
730 /// check whether an error message event has occurred.
732 macro_rules! check_closed_broadcast {
733 ($node: expr, $with_error_msg: expr) => {{
734 let events = $node.node.get_and_clear_pending_msg_events();
735 assert_eq!(events.len(), if $with_error_msg { 2 } else { 1 });
737 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
738 assert_eq!(msg.contents.flags & 2, 2);
740 _ => panic!("Unexpected event"),
744 MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id: _ } => {
745 // TODO: Check node_id
748 _ => panic!("Unexpected event"),
754 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) {
755 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) };
756 let (node_b, broadcaster_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster) } else { (&inbound_node.node, &inbound_node.tx_broadcaster) };
759 node_a.close_channel(channel_id).unwrap();
760 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()));
762 let events_1 = node_b.get_and_clear_pending_msg_events();
763 assert!(events_1.len() >= 1);
764 let shutdown_b = match events_1[0] {
765 MessageSendEvent::SendShutdown { ref node_id, ref msg } => {
766 assert_eq!(node_id, &node_a.get_our_node_id());
769 _ => panic!("Unexpected event"),
772 let closing_signed_b = if !close_inbound_first {
773 assert_eq!(events_1.len(), 1);
776 Some(match events_1[1] {
777 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
778 assert_eq!(node_id, &node_a.get_our_node_id());
781 _ => panic!("Unexpected event"),
785 node_a.handle_shutdown(&node_b.get_our_node_id(), &InitFeatures::known(), &shutdown_b);
786 let (as_update, bs_update) = if close_inbound_first {
787 assert!(node_a.get_and_clear_pending_msg_events().is_empty());
788 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
789 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
790 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
791 let (as_update, closing_signed_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
793 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap());
794 let (bs_update, none_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
795 assert!(none_b.is_none());
796 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
797 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
798 (as_update, bs_update)
800 let closing_signed_a = get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id());
802 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a);
803 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
804 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
805 let (bs_update, closing_signed_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
807 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
808 let (as_update, none_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
809 assert!(none_a.is_none());
810 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
811 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
812 (as_update, bs_update)
814 assert_eq!(tx_a, tx_b);
815 check_spends!(tx_a, funding_tx);
817 (as_update, bs_update, tx_a)
820 pub struct SendEvent {
821 pub node_id: PublicKey,
822 pub msgs: Vec<msgs::UpdateAddHTLC>,
823 pub commitment_msg: msgs::CommitmentSigned,
826 pub fn from_commitment_update(node_id: PublicKey, updates: msgs::CommitmentUpdate) -> SendEvent {
827 assert!(updates.update_fulfill_htlcs.is_empty());
828 assert!(updates.update_fail_htlcs.is_empty());
829 assert!(updates.update_fail_malformed_htlcs.is_empty());
830 assert!(updates.update_fee.is_none());
831 SendEvent { node_id: node_id, msgs: updates.update_add_htlcs, commitment_msg: updates.commitment_signed }
834 pub fn from_event(event: MessageSendEvent) -> SendEvent {
836 MessageSendEvent::UpdateHTLCs { node_id, updates } => SendEvent::from_commitment_update(node_id, updates),
837 _ => panic!("Unexpected event type!"),
841 pub fn from_node<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>) -> SendEvent {
842 let mut events = node.node.get_and_clear_pending_msg_events();
843 assert_eq!(events.len(), 1);
844 SendEvent::from_event(events.pop().unwrap())
848 macro_rules! commitment_signed_dance {
849 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */) => {
851 check_added_monitors!($node_a, 0);
852 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
853 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
854 check_added_monitors!($node_a, 1);
855 commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, false);
858 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */, true /* return last RAA */) => {
860 let (as_revoke_and_ack, as_commitment_signed) = get_revoke_commit_msgs!($node_a, $node_b.node.get_our_node_id());
861 check_added_monitors!($node_b, 0);
862 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
863 $node_b.node.handle_revoke_and_ack(&$node_a.node.get_our_node_id(), &as_revoke_and_ack);
864 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
865 check_added_monitors!($node_b, 1);
866 $node_b.node.handle_commitment_signed(&$node_a.node.get_our_node_id(), &as_commitment_signed);
867 let (bs_revoke_and_ack, extra_msg_option) = {
868 let events = $node_b.node.get_and_clear_pending_msg_events();
869 assert!(events.len() <= 2);
871 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
872 assert_eq!(*node_id, $node_a.node.get_our_node_id());
875 _ => panic!("Unexpected event"),
876 }, events.get(1).map(|e| e.clone()))
878 check_added_monitors!($node_b, 1);
880 assert!($node_a.node.get_and_clear_pending_events().is_empty());
881 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
883 (extra_msg_option, bs_revoke_and_ack)
886 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */, false /* return extra message */, true /* return last RAA */) => {
888 check_added_monitors!($node_a, 0);
889 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
890 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
891 check_added_monitors!($node_a, 1);
892 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
893 assert!(extra_msg_option.is_none());
897 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */) => {
899 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
900 $node_a.node.handle_revoke_and_ack(&$node_b.node.get_our_node_id(), &bs_revoke_and_ack);
901 check_added_monitors!($node_a, 1);
905 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, false /* no extra message */) => {
907 assert!(commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true).is_none());
910 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr) => {
912 commitment_signed_dance!($node_a, $node_b, $commitment_signed, $fail_backwards, true);
914 expect_pending_htlcs_forwardable!($node_a);
915 check_added_monitors!($node_a, 1);
917 let channel_state = $node_a.node.channel_state.lock().unwrap();
918 assert_eq!(channel_state.pending_msg_events.len(), 1);
919 if let MessageSendEvent::UpdateHTLCs { ref node_id, .. } = channel_state.pending_msg_events[0] {
920 assert_ne!(*node_id, $node_b.node.get_our_node_id());
921 } else { panic!("Unexpected event"); }
923 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
929 /// Get a payment preimage and hash.
931 macro_rules! get_payment_preimage_hash {
932 ($dest_node: expr) => {
934 let payment_preimage = PaymentPreimage([*$dest_node.network_payment_count.borrow(); 32]);
935 *$dest_node.network_payment_count.borrow_mut() += 1;
936 let payment_hash = PaymentHash(Sha256::hash(&payment_preimage.0[..]).into_inner());
937 let payment_secret = $dest_node.node.create_inbound_payment_for_hash(payment_hash, None, 7200, 0).unwrap();
938 (payment_preimage, payment_hash, payment_secret)
944 macro_rules! get_route_and_payment_hash {
945 ($send_node: expr, $recv_node: expr, $recv_value: expr) => {{
946 let (payment_preimage, payment_hash, payment_secret) = get_payment_preimage_hash!($recv_node);
947 let net_graph_msg_handler = &$send_node.net_graph_msg_handler;
948 let route = get_route(&$send_node.node.get_our_node_id(),
949 &net_graph_msg_handler.network_graph.read().unwrap(),
950 &$recv_node.node.get_our_node_id(), None, None, &Vec::new(), $recv_value, TEST_FINAL_CLTV, $send_node.logger).unwrap();
951 (route, payment_hash, payment_preimage, payment_secret)
955 macro_rules! expect_pending_htlcs_forwardable_ignore {
957 let events = $node.node.get_and_clear_pending_events();
958 assert_eq!(events.len(), 1);
960 Event::PendingHTLCsForwardable { .. } => { },
961 _ => panic!("Unexpected event"),
966 macro_rules! expect_pending_htlcs_forwardable {
968 expect_pending_htlcs_forwardable_ignore!($node);
969 $node.node.process_pending_htlc_forwards();
973 #[cfg(any(test, feature = "unstable"))]
974 macro_rules! expect_payment_received {
975 ($node: expr, $expected_payment_hash: expr, $expected_payment_secret: expr, $expected_recv_value: expr) => {
976 let events = $node.node.get_and_clear_pending_events();
977 assert_eq!(events.len(), 1);
979 Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt, user_payment_id: _ } => {
980 assert_eq!($expected_payment_hash, *payment_hash);
981 assert!(payment_preimage.is_none());
982 assert_eq!($expected_payment_secret, *payment_secret);
983 assert_eq!($expected_recv_value, amt);
985 _ => panic!("Unexpected event"),
990 macro_rules! expect_payment_sent {
991 ($node: expr, $expected_payment_preimage: expr) => {
992 let events = $node.node.get_and_clear_pending_events();
993 assert_eq!(events.len(), 1);
995 Event::PaymentSent { ref payment_preimage } => {
996 assert_eq!($expected_payment_preimage, *payment_preimage);
998 _ => panic!("Unexpected event"),
1004 macro_rules! expect_payment_failure_chan_update {
1005 ($node: expr, $scid: expr, $chan_closed: expr) => {
1006 let events = $node.node.get_and_clear_pending_msg_events();
1007 assert_eq!(events.len(), 1);
1009 MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => {
1011 &HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg } if !$chan_closed => {
1012 assert_eq!(msg.contents.short_channel_id, $scid);
1013 assert_eq!(msg.contents.flags & 2, 0);
1015 &HTLCFailChannelUpdate::ChannelClosed { short_channel_id, is_permanent } if $chan_closed => {
1016 assert_eq!(short_channel_id, $scid);
1017 assert!(is_permanent);
1019 _ => panic!("Unexpected update type"),
1022 _ => panic!("Unexpected event"),
1028 macro_rules! expect_payment_failed {
1029 ($node: expr, $expected_payment_hash: expr, $rejected_by_dest: expr $(, $expected_error_code: expr, $expected_error_data: expr)*) => {
1030 let events = $node.node.get_and_clear_pending_events();
1031 assert_eq!(events.len(), 1);
1033 Event::PaymentFailed { ref payment_hash, rejected_by_dest, ref error_code, ref error_data } => {
1034 assert_eq!(*payment_hash, $expected_payment_hash, "unexpected payment_hash");
1035 assert_eq!(rejected_by_dest, $rejected_by_dest, "unexpected rejected_by_dest value");
1036 assert!(error_code.is_some(), "expected error_code.is_some() = true");
1037 assert!(error_data.is_some(), "expected error_data.is_some() = true");
1039 assert_eq!(error_code.unwrap(), $expected_error_code, "unexpected error code");
1040 assert_eq!(&error_data.as_ref().unwrap()[..], $expected_error_data, "unexpected error data");
1043 _ => panic!("Unexpected event"),
1048 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: PaymentSecret) {
1049 origin_node.node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap();
1050 check_added_monitors!(origin_node, expected_paths.len());
1051 pass_along_route(origin_node, expected_paths, recv_value, our_payment_hash, our_payment_secret);
1054 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: PaymentSecret, ev: MessageSendEvent, payment_received_expected: bool) {
1055 let mut payment_event = SendEvent::from_event(ev);
1056 let mut prev_node = origin_node;
1058 for (idx, &node) in expected_path.iter().enumerate() {
1059 assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
1061 node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
1062 check_added_monitors!(node, 0);
1063 commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
1065 expect_pending_htlcs_forwardable!(node);
1067 if idx == expected_path.len() - 1 {
1068 let events_2 = node.node.get_and_clear_pending_events();
1069 if payment_received_expected {
1070 assert_eq!(events_2.len(), 1);
1072 Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt, user_payment_id: _ } => {
1073 assert_eq!(our_payment_hash, *payment_hash);
1074 assert!(payment_preimage.is_none());
1075 assert_eq!(our_payment_secret, *payment_secret);
1076 assert_eq!(amt, recv_value);
1078 _ => panic!("Unexpected event"),
1081 assert!(events_2.is_empty());
1084 let mut events_2 = node.node.get_and_clear_pending_msg_events();
1085 assert_eq!(events_2.len(), 1);
1086 check_added_monitors!(node, 1);
1087 payment_event = SendEvent::from_event(events_2.remove(0));
1088 assert_eq!(payment_event.msgs.len(), 1);
1095 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: PaymentSecret) {
1096 let mut events = origin_node.node.get_and_clear_pending_msg_events();
1097 assert_eq!(events.len(), expected_route.len());
1098 for (path_idx, (ev, expected_path)) in events.drain(..).zip(expected_route.iter()).enumerate() {
1099 // Once we've gotten through all the HTLCs, the last one should result in a
1100 // PaymentReceived (but each previous one should not!), .
1101 let expect_payment = path_idx == expected_route.len() - 1;
1102 pass_along_path(origin_node, expected_path, recv_value, our_payment_hash.clone(), our_payment_secret, ev, expect_payment);
1106 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, PaymentSecret) {
1107 let (our_payment_preimage, our_payment_hash, our_payment_secret) = get_payment_preimage_hash!(expected_route.last().unwrap());
1108 send_along_route_with_secret(origin_node, route, &[expected_route], recv_value, our_payment_hash, our_payment_secret);
1109 (our_payment_preimage, our_payment_hash, our_payment_secret)
1112 pub fn claim_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_preimage: PaymentPreimage) {
1113 for path in expected_paths.iter() {
1114 assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
1116 assert!(expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage));
1117 check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
1119 macro_rules! msgs_from_ev {
1122 &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 } } => {
1123 assert!(update_add_htlcs.is_empty());
1124 assert_eq!(update_fulfill_htlcs.len(), 1);
1125 assert!(update_fail_htlcs.is_empty());
1126 assert!(update_fail_malformed_htlcs.is_empty());
1127 assert!(update_fee.is_none());
1128 ((update_fulfill_htlcs[0].clone(), commitment_signed.clone()), node_id.clone())
1130 _ => panic!("Unexpected event"),
1134 let mut per_path_msgs: Vec<((msgs::UpdateFulfillHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
1135 let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
1136 assert_eq!(events.len(), expected_paths.len());
1137 for ev in events.iter() {
1138 per_path_msgs.push(msgs_from_ev!(ev));
1141 for (expected_route, (path_msgs, next_hop)) in expected_paths.iter().zip(per_path_msgs.drain(..)) {
1142 let mut next_msgs = Some(path_msgs);
1143 let mut expected_next_node = next_hop;
1145 macro_rules! last_update_fulfill_dance {
1146 ($node: expr, $prev_node: expr) => {
1148 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
1149 check_added_monitors!($node, 0);
1150 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
1151 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
1155 macro_rules! mid_update_fulfill_dance {
1156 ($node: expr, $prev_node: expr, $new_msgs: expr) => {
1158 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
1159 check_added_monitors!($node, 1);
1160 let new_next_msgs = if $new_msgs {
1161 let events = $node.node.get_and_clear_pending_msg_events();
1162 assert_eq!(events.len(), 1);
1163 let (res, nexthop) = msgs_from_ev!(&events[0]);
1164 expected_next_node = nexthop;
1167 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
1170 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
1171 next_msgs = new_next_msgs;
1176 let mut prev_node = expected_route.last().unwrap();
1177 for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
1178 assert_eq!(expected_next_node, node.node.get_our_node_id());
1179 let update_next_msgs = !skip_last || idx != expected_route.len() - 1;
1180 if next_msgs.is_some() {
1181 mid_update_fulfill_dance!(node, prev_node, update_next_msgs);
1183 assert!(!update_next_msgs);
1184 assert!(node.node.get_and_clear_pending_msg_events().is_empty());
1186 if !skip_last && idx == expected_route.len() - 1 {
1187 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
1194 last_update_fulfill_dance!(origin_node, expected_route.first().unwrap());
1195 expect_payment_sent!(origin_node, our_payment_preimage);
1200 pub fn claim_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_preimage: PaymentPreimage) {
1201 claim_payment_along_route(origin_node, &[expected_route], false, our_payment_preimage);
1204 pub const TEST_FINAL_CLTV: u32 = 70;
1206 pub fn route_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) -> (PaymentPreimage, PaymentHash, PaymentSecret) {
1207 let net_graph_msg_handler = &origin_node.net_graph_msg_handler;
1208 let logger = test_utils::TestLogger::new();
1209 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(), Some(InvoiceFeatures::known()), None, &Vec::new(), recv_value, TEST_FINAL_CLTV, &logger).unwrap();
1210 assert_eq!(route.paths.len(), 1);
1211 assert_eq!(route.paths[0].len(), expected_route.len());
1212 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
1213 assert_eq!(hop.pubkey, node.node.get_our_node_id());
1216 send_along_route(origin_node, route, expected_route, recv_value)
1219 pub fn route_over_limit<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
1220 let logger = test_utils::TestLogger::new();
1221 let net_graph_msg_handler = &origin_node.net_graph_msg_handler;
1222 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(), Some(InvoiceFeatures::known()), None, &Vec::new(), recv_value, TEST_FINAL_CLTV, &logger).unwrap();
1223 assert_eq!(route.paths.len(), 1);
1224 assert_eq!(route.paths[0].len(), expected_route.len());
1225 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
1226 assert_eq!(hop.pubkey, node.node.get_our_node_id());
1229 let (_, our_payment_hash, our_payment_preimage) = get_payment_preimage_hash!(expected_route.last().unwrap());
1230 unwrap_send_err!(origin_node.node.send_payment(&route, our_payment_hash, &Some(our_payment_preimage)), true, APIError::ChannelUnavailable { ref err },
1231 assert!(err.contains("Cannot send value that would put us over the max HTLC value in flight our peer will accept")));
1234 pub fn send_payment<'a, 'b, 'c>(origin: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
1235 let our_payment_preimage = route_payment(&origin, expected_route, recv_value).0;
1236 claim_payment(&origin, expected_route, our_payment_preimage);
1239 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) {
1240 assert!(expected_route.last().unwrap().node.fail_htlc_backwards(&our_payment_hash));
1241 expect_pending_htlcs_forwardable!(expected_route.last().unwrap());
1242 check_added_monitors!(expected_route.last().unwrap(), 1);
1244 let mut next_msgs: Option<(msgs::UpdateFailHTLC, msgs::CommitmentSigned)> = None;
1245 macro_rules! update_fail_dance {
1246 ($node: expr, $prev_node: expr, $last_node: expr) => {
1248 $node.node.handle_update_fail_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
1249 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, !$last_node);
1250 if skip_last && $last_node {
1251 expect_pending_htlcs_forwardable!($node);
1257 let mut expected_next_node = expected_route.last().unwrap().node.get_our_node_id();
1258 let mut prev_node = expected_route.last().unwrap();
1259 for (idx, node) in expected_route.iter().rev().enumerate() {
1260 assert_eq!(expected_next_node, node.node.get_our_node_id());
1261 if next_msgs.is_some() {
1262 // We may be the "last node" for the purpose of the commitment dance if we're
1263 // skipping the last node (implying it is disconnected) and we're the
1264 // second-to-last node!
1265 update_fail_dance!(node, prev_node, skip_last && idx == expected_route.len() - 1);
1268 let events = node.node.get_and_clear_pending_msg_events();
1269 if !skip_last || idx != expected_route.len() - 1 {
1270 assert_eq!(events.len(), 1);
1272 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 } } => {
1273 assert!(update_add_htlcs.is_empty());
1274 assert!(update_fulfill_htlcs.is_empty());
1275 assert_eq!(update_fail_htlcs.len(), 1);
1276 assert!(update_fail_malformed_htlcs.is_empty());
1277 assert!(update_fee.is_none());
1278 expected_next_node = node_id.clone();
1279 next_msgs = Some((update_fail_htlcs[0].clone(), commitment_signed.clone()));
1281 _ => panic!("Unexpected event"),
1284 assert!(events.is_empty());
1286 if !skip_last && idx == expected_route.len() - 1 {
1287 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
1294 update_fail_dance!(origin_node, expected_route.first().unwrap(), true);
1296 let events = origin_node.node.get_and_clear_pending_events();
1297 assert_eq!(events.len(), 1);
1299 Event::PaymentFailed { payment_hash, rejected_by_dest, .. } => {
1300 assert_eq!(payment_hash, our_payment_hash);
1301 assert!(rejected_by_dest);
1303 _ => panic!("Unexpected event"),
1308 pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash) {
1309 fail_payment_along_route(origin_node, expected_route, false, our_payment_hash);
1312 pub fn create_chanmon_cfgs(node_count: usize) -> Vec<TestChanMonCfg> {
1313 let mut chan_mon_cfgs = Vec::new();
1314 for i in 0..node_count {
1315 let tx_broadcaster = test_utils::TestBroadcaster {
1316 txn_broadcasted: Mutex::new(Vec::new()),
1317 blocks: Arc::new(Mutex::new(vec![(genesis_block(Network::Testnet).header, 0)])),
1319 let fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
1320 let chain_source = test_utils::TestChainSource::new(Network::Testnet);
1321 let logger = test_utils::TestLogger::with_id(format!("node {}", i));
1322 let persister = test_utils::TestPersister::new();
1323 let seed = [i as u8; 32];
1324 let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
1326 chan_mon_cfgs.push(TestChanMonCfg{ tx_broadcaster, fee_estimator, chain_source, logger, persister, keys_manager });
1332 pub fn create_node_cfgs<'a>(node_count: usize, chanmon_cfgs: &'a Vec<TestChanMonCfg>) -> Vec<NodeCfg<'a>> {
1333 let mut nodes = Vec::new();
1335 for i in 0..node_count {
1336 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);
1337 let seed = [i as u8; 32];
1338 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 });
1344 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>> {
1345 let mut chanmgrs = Vec::new();
1346 for i in 0..node_count {
1347 let mut default_config = UserConfig::default();
1348 // Set cltv_expiry_delta slightly lower to keep the final CLTV values inside one byte in our
1349 // tests so that our script-length checks don't fail (see ACCEPTED_HTLC_SCRIPT_WEIGHT).
1350 default_config.channel_options.cltv_expiry_delta = 6*6;
1351 default_config.channel_options.announced_channel = true;
1352 default_config.peer_channel_config_limits.force_announced_channel_preference = false;
1353 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
1354 let network = Network::Testnet;
1355 let params = ChainParameters {
1357 best_block: BestBlock::from_genesis(network),
1359 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);
1360 chanmgrs.push(node);
1366 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>> {
1367 let mut nodes = Vec::new();
1368 let chan_count = Rc::new(RefCell::new(0));
1369 let payment_count = Rc::new(RefCell::new(0));
1370 let connect_style = Rc::new(RefCell::new(ConnectStyle::FullBlockViaListen));
1372 for i in 0..node_count {
1373 let net_graph_msg_handler = NetGraphMsgHandler::new(cfgs[i].chain_source.genesis_hash, None, cfgs[i].logger);
1374 nodes.push(Node{ chain_source: cfgs[i].chain_source,
1375 tx_broadcaster: cfgs[i].tx_broadcaster, chain_monitor: &cfgs[i].chain_monitor,
1376 keys_manager: &cfgs[i].keys_manager, node: &chan_mgrs[i], net_graph_msg_handler,
1377 node_seed: cfgs[i].node_seed, network_chan_count: chan_count.clone(),
1378 network_payment_count: payment_count.clone(), logger: cfgs[i].logger,
1379 blocks: Arc::clone(&cfgs[i].tx_broadcaster.blocks),
1380 connect_style: Rc::clone(&connect_style),
1387 // Note that the following only works for CLTV values up to 128
1388 pub const ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = 137; //Here we have a diff due to HTLC CLTV expiry being < 2^15 in test
1389 pub const OFFERED_HTLC_SCRIPT_WEIGHT: usize = 133;
1391 #[derive(PartialEq)]
1392 pub enum HTLCType { NONE, TIMEOUT, SUCCESS }
1393 /// Tests that the given node has broadcast transactions for the given Channel
1395 /// First checks that the latest holder commitment tx has been broadcast, unless an explicit
1396 /// commitment_tx is provided, which may be used to test that a remote commitment tx was
1397 /// broadcast and the revoked outputs were claimed.
1399 /// Next tests that there is (or is not) a transaction that spends the commitment transaction
1400 /// that appears to be the type of HTLC transaction specified in has_htlc_tx.
1402 /// All broadcast transactions must be accounted for in one of the above three types of we'll
1404 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> {
1405 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1406 assert!(node_txn.len() >= if commitment_tx.is_some() { 0 } else { 1 } + if has_htlc_tx == HTLCType::NONE { 0 } else { 1 });
1408 let mut res = Vec::with_capacity(2);
1409 node_txn.retain(|tx| {
1410 if tx.input.len() == 1 && tx.input[0].previous_output.txid == chan.3.txid() {
1411 check_spends!(tx, chan.3);
1412 if commitment_tx.is_none() {
1413 res.push(tx.clone());
1418 if let Some(explicit_tx) = commitment_tx {
1419 res.push(explicit_tx.clone());
1422 assert_eq!(res.len(), 1);
1424 if has_htlc_tx != HTLCType::NONE {
1425 node_txn.retain(|tx| {
1426 if tx.input.len() == 1 && tx.input[0].previous_output.txid == res[0].txid() {
1427 check_spends!(tx, res[0]);
1428 if has_htlc_tx == HTLCType::TIMEOUT {
1429 assert!(tx.lock_time != 0);
1431 assert!(tx.lock_time == 0);
1433 res.push(tx.clone());
1437 assert!(res.len() == 2 || res.len() == 3);
1439 assert_eq!(res[1], res[2]);
1443 assert!(node_txn.is_empty());
1447 /// Tests that the given node has broadcast a claim transaction against the provided revoked
1448 /// HTLC transaction.
1449 pub fn test_revoked_htlc_claim_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, revoked_tx: Transaction, commitment_revoked_tx: Transaction) {
1450 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1451 // We may issue multiple claiming transaction on revoked outputs due to block rescan
1452 // for revoked htlc outputs
1453 if node_txn.len() != 1 && node_txn.len() != 2 && node_txn.len() != 3 { assert!(false); }
1454 node_txn.retain(|tx| {
1455 if tx.input.len() == 1 && tx.input[0].previous_output.txid == revoked_tx.txid() {
1456 check_spends!(tx, revoked_tx);
1460 node_txn.retain(|tx| {
1461 check_spends!(tx, commitment_revoked_tx);
1464 assert!(node_txn.is_empty());
1467 pub fn check_preimage_claim<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, prev_txn: &Vec<Transaction>) -> Vec<Transaction> {
1468 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
1470 assert!(node_txn.len() >= 1);
1471 assert_eq!(node_txn[0].input.len(), 1);
1472 let mut found_prev = false;
1474 for tx in prev_txn {
1475 if node_txn[0].input[0].previous_output.txid == tx.txid() {
1476 check_spends!(node_txn[0], tx);
1477 assert!(node_txn[0].input[0].witness[2].len() > 106); // must spend an htlc output
1478 assert_eq!(tx.input.len(), 1); // must spend a commitment tx
1484 assert!(found_prev);
1486 let mut res = Vec::new();
1487 mem::swap(&mut *node_txn, &mut res);
1491 pub fn handle_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize, needs_err_handle: bool, expected_error: &str) {
1492 let events_1 = nodes[a].node.get_and_clear_pending_msg_events();
1493 assert_eq!(events_1.len(), 2);
1494 let as_update = match events_1[0] {
1495 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
1498 _ => panic!("Unexpected event"),
1501 MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
1502 assert_eq!(node_id, nodes[b].node.get_our_node_id());
1503 assert_eq!(msg.data, expected_error);
1504 if needs_err_handle {
1505 nodes[b].node.handle_error(&nodes[a].node.get_our_node_id(), msg);
1508 _ => panic!("Unexpected event"),
1511 let events_2 = nodes[b].node.get_and_clear_pending_msg_events();
1512 assert_eq!(events_2.len(), if needs_err_handle { 1 } else { 2 });
1513 let bs_update = match events_2[0] {
1514 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
1517 _ => panic!("Unexpected event"),
1519 if !needs_err_handle {
1521 MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
1522 assert_eq!(node_id, nodes[a].node.get_our_node_id());
1523 assert_eq!(msg.data, expected_error);
1525 _ => panic!("Unexpected event"),
1530 node.net_graph_msg_handler.handle_channel_update(&as_update).unwrap();
1531 node.net_graph_msg_handler.handle_channel_update(&bs_update).unwrap();
1535 pub fn get_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize) {
1536 handle_announce_close_broadcast_events(nodes, a, b, false, "Commitment or closing transaction was confirmed on chain.");
1540 macro_rules! get_channel_value_stat {
1541 ($node: expr, $channel_id: expr) => {{
1542 let chan_lock = $node.node.channel_state.lock().unwrap();
1543 let chan = chan_lock.by_id.get(&$channel_id).unwrap();
1544 chan.get_value_stat()
1548 macro_rules! get_chan_reestablish_msgs {
1549 ($src_node: expr, $dst_node: expr) => {
1551 let mut res = Vec::with_capacity(1);
1552 for msg in $src_node.node.get_and_clear_pending_msg_events() {
1553 if let MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } = msg {
1554 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1555 res.push(msg.clone());
1557 panic!("Unexpected event")
1565 macro_rules! handle_chan_reestablish_msgs {
1566 ($src_node: expr, $dst_node: expr) => {
1568 let msg_events = $src_node.node.get_and_clear_pending_msg_events();
1570 let funding_locked = if let Some(&MessageSendEvent::SendFundingLocked { ref node_id, ref msg }) = msg_events.get(0) {
1572 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1578 if let Some(&MessageSendEvent::SendAnnouncementSignatures { ref node_id, msg: _ }) = msg_events.get(idx) {
1580 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1583 let mut revoke_and_ack = None;
1584 let mut commitment_update = None;
1585 let order = if let Some(ev) = msg_events.get(idx) {
1587 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
1588 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1589 revoke_and_ack = Some(msg.clone());
1591 RAACommitmentOrder::RevokeAndACKFirst
1593 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
1594 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1595 commitment_update = Some(updates.clone());
1597 RAACommitmentOrder::CommitmentFirst
1599 &MessageSendEvent::SendChannelUpdate { .. } => RAACommitmentOrder::CommitmentFirst,
1600 _ => panic!("Unexpected event"),
1603 RAACommitmentOrder::CommitmentFirst
1606 if let Some(ev) = msg_events.get(idx) {
1608 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
1609 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1610 assert!(revoke_and_ack.is_none());
1611 revoke_and_ack = Some(msg.clone());
1614 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
1615 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1616 assert!(commitment_update.is_none());
1617 commitment_update = Some(updates.clone());
1620 &MessageSendEvent::SendChannelUpdate { .. } => {},
1621 _ => panic!("Unexpected event"),
1625 if let Some(&MessageSendEvent::SendChannelUpdate { ref node_id, ref msg }) = msg_events.get(idx) {
1626 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
1627 assert_eq!(msg.contents.flags & 2, 0); // "disabled" flag must not be set as we just reconnected.
1630 (funding_locked, revoke_and_ack, commitment_update, order)
1635 /// pending_htlc_adds includes both the holding cell and in-flight update_add_htlcs, whereas
1636 /// for claims/fails they are separated out.
1637 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)) {
1638 node_a.node.peer_connected(&node_b.node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
1639 let reestablish_1 = get_chan_reestablish_msgs!(node_a, node_b);
1640 node_b.node.peer_connected(&node_a.node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() });
1641 let reestablish_2 = get_chan_reestablish_msgs!(node_b, node_a);
1643 if send_funding_locked.0 {
1644 // If a expects a funding_locked, it better not think it has received a revoke_and_ack
1646 for reestablish in reestablish_1.iter() {
1647 assert_eq!(reestablish.next_remote_commitment_number, 0);
1650 if send_funding_locked.1 {
1651 // If b expects a funding_locked, it better not think it has received a revoke_and_ack
1653 for reestablish in reestablish_2.iter() {
1654 assert_eq!(reestablish.next_remote_commitment_number, 0);
1657 if send_funding_locked.0 || send_funding_locked.1 {
1658 // If we expect any funding_locked's, both sides better have set
1659 // next_holder_commitment_number to 1
1660 for reestablish in reestablish_1.iter() {
1661 assert_eq!(reestablish.next_local_commitment_number, 1);
1663 for reestablish in reestablish_2.iter() {
1664 assert_eq!(reestablish.next_local_commitment_number, 1);
1668 let mut resp_1 = Vec::new();
1669 for msg in reestablish_1 {
1670 node_b.node.handle_channel_reestablish(&node_a.node.get_our_node_id(), &msg);
1671 resp_1.push(handle_chan_reestablish_msgs!(node_b, node_a));
1673 if pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
1674 check_added_monitors!(node_b, 1);
1676 check_added_monitors!(node_b, 0);
1679 let mut resp_2 = Vec::new();
1680 for msg in reestablish_2 {
1681 node_a.node.handle_channel_reestablish(&node_b.node.get_our_node_id(), &msg);
1682 resp_2.push(handle_chan_reestablish_msgs!(node_a, node_b));
1684 if pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
1685 check_added_monitors!(node_a, 1);
1687 check_added_monitors!(node_a, 0);
1690 // We don't yet support both needing updates, as that would require a different commitment dance:
1691 assert!((pending_htlc_adds.0 == 0 && pending_htlc_claims.0 == 0 && pending_cell_htlc_claims.0 == 0 && pending_cell_htlc_fails.0 == 0) ||
1692 (pending_htlc_adds.1 == 0 && pending_htlc_claims.1 == 0 && pending_cell_htlc_claims.1 == 0 && pending_cell_htlc_fails.1 == 0));
1694 for chan_msgs in resp_1.drain(..) {
1695 if send_funding_locked.0 {
1696 node_a.node.handle_funding_locked(&node_b.node.get_our_node_id(), &chan_msgs.0.unwrap());
1697 let announcement_event = node_a.node.get_and_clear_pending_msg_events();
1698 if !announcement_event.is_empty() {
1699 assert_eq!(announcement_event.len(), 1);
1700 if let MessageSendEvent::SendAnnouncementSignatures { .. } = announcement_event[0] {
1701 //TODO: Test announcement_sigs re-sending
1702 } else { panic!("Unexpected event!"); }
1705 assert!(chan_msgs.0.is_none());
1708 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
1709 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &chan_msgs.1.unwrap());
1710 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
1711 check_added_monitors!(node_a, 1);
1713 assert!(chan_msgs.1.is_none());
1715 if pending_htlc_adds.0 != 0 || pending_htlc_claims.0 != 0 || pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
1716 let commitment_update = chan_msgs.2.unwrap();
1717 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
1718 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.0 as usize);
1720 assert!(commitment_update.update_add_htlcs.is_empty());
1722 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
1723 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_cell_htlc_fails.0);
1724 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
1725 for update_add in commitment_update.update_add_htlcs {
1726 node_a.node.handle_update_add_htlc(&node_b.node.get_our_node_id(), &update_add);
1728 for update_fulfill in commitment_update.update_fulfill_htlcs {
1729 node_a.node.handle_update_fulfill_htlc(&node_b.node.get_our_node_id(), &update_fulfill);
1731 for update_fail in commitment_update.update_fail_htlcs {
1732 node_a.node.handle_update_fail_htlc(&node_b.node.get_our_node_id(), &update_fail);
1735 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
1736 commitment_signed_dance!(node_a, node_b, commitment_update.commitment_signed, false);
1738 node_a.node.handle_commitment_signed(&node_b.node.get_our_node_id(), &commitment_update.commitment_signed);
1739 check_added_monitors!(node_a, 1);
1740 let as_revoke_and_ack = get_event_msg!(node_a, MessageSendEvent::SendRevokeAndACK, node_b.node.get_our_node_id());
1741 // No commitment_signed so get_event_msg's assert(len == 1) passes
1742 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &as_revoke_and_ack);
1743 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
1744 check_added_monitors!(node_b, 1);
1747 assert!(chan_msgs.2.is_none());
1751 for chan_msgs in resp_2.drain(..) {
1752 if send_funding_locked.1 {
1753 node_b.node.handle_funding_locked(&node_a.node.get_our_node_id(), &chan_msgs.0.unwrap());
1754 let announcement_event = node_b.node.get_and_clear_pending_msg_events();
1755 if !announcement_event.is_empty() {
1756 assert_eq!(announcement_event.len(), 1);
1757 if let MessageSendEvent::SendAnnouncementSignatures { .. } = announcement_event[0] {
1758 //TODO: Test announcement_sigs re-sending
1759 } else { panic!("Unexpected event!"); }
1762 assert!(chan_msgs.0.is_none());
1765 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
1766 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &chan_msgs.1.unwrap());
1767 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
1768 check_added_monitors!(node_b, 1);
1770 assert!(chan_msgs.1.is_none());
1772 if pending_htlc_adds.1 != 0 || pending_htlc_claims.1 != 0 || pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
1773 let commitment_update = chan_msgs.2.unwrap();
1774 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
1775 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.1 as usize);
1777 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
1778 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_cell_htlc_fails.0);
1779 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
1780 for update_add in commitment_update.update_add_htlcs {
1781 node_b.node.handle_update_add_htlc(&node_a.node.get_our_node_id(), &update_add);
1783 for update_fulfill in commitment_update.update_fulfill_htlcs {
1784 node_b.node.handle_update_fulfill_htlc(&node_a.node.get_our_node_id(), &update_fulfill);
1786 for update_fail in commitment_update.update_fail_htlcs {
1787 node_b.node.handle_update_fail_htlc(&node_a.node.get_our_node_id(), &update_fail);
1790 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
1791 commitment_signed_dance!(node_b, node_a, commitment_update.commitment_signed, false);
1793 node_b.node.handle_commitment_signed(&node_a.node.get_our_node_id(), &commitment_update.commitment_signed);
1794 check_added_monitors!(node_b, 1);
1795 let bs_revoke_and_ack = get_event_msg!(node_b, MessageSendEvent::SendRevokeAndACK, node_a.node.get_our_node_id());
1796 // No commitment_signed so get_event_msg's assert(len == 1) passes
1797 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &bs_revoke_and_ack);
1798 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
1799 check_added_monitors!(node_a, 1);
1802 assert!(chan_msgs.2.is_none());