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 crate::chain::{BestBlock, ChannelMonitorUpdateStatus, Confirm, Listen, Watch, keysinterface::KeysInterface};
14 use crate::chain::channelmonitor::ChannelMonitor;
15 use crate::chain::transaction::OutPoint;
16 use crate::ln::{PaymentPreimage, PaymentHash, PaymentSecret};
17 use crate::ln::channelmanager::{self, ChainParameters, ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, PaymentId, MIN_CLTV_EXPIRY_DELTA};
18 use crate::routing::gossip::{P2PGossipSync, NetworkGraph, NetworkUpdate};
19 use crate::routing::router::{PaymentParameters, Route, get_route};
20 use crate::ln::features::InitFeatures;
22 use crate::ln::msgs::{ChannelMessageHandler,RoutingMessageHandler};
23 use crate::util::enforcing_trait_impls::EnforcingSigner;
24 use crate::util::scid_utils;
25 use crate::util::test_utils;
26 use crate::util::test_utils::{panicking, TestChainMonitor};
27 use crate::util::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
28 use crate::util::errors::APIError;
29 use crate::util::config::UserConfig;
30 use crate::util::ser::{ReadableArgs, Writeable};
32 use bitcoin::blockdata::block::{Block, BlockHeader};
33 use bitcoin::blockdata::constants::genesis_block;
34 use bitcoin::blockdata::transaction::{Transaction, TxOut};
35 use bitcoin::network::constants::Network;
37 use bitcoin::hash_types::BlockHash;
38 use bitcoin::hashes::sha256::Hash as Sha256;
39 use bitcoin::hashes::Hash as _;
41 use bitcoin::secp256k1::PublicKey;
44 use crate::prelude::*;
45 use core::cell::RefCell;
47 use crate::sync::{Arc, Mutex};
49 use core::iter::repeat;
50 use bitcoin::{PackedLockTime, TxMerkleNode};
52 pub const CHAN_CONFIRM_DEPTH: u32 = 10;
54 /// Mine the given transaction in the next block and then mine CHAN_CONFIRM_DEPTH - 1 blocks on
55 /// top, giving the given transaction CHAN_CONFIRM_DEPTH confirmations.
57 /// Returns the SCID a channel confirmed in the given transaction will have, assuming the funding
58 /// output is the 1st output in the transaction.
59 pub fn confirm_transaction<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction) -> u64 {
60 let scid = confirm_transaction_at(node, tx, node.best_block_info().1 + 1);
61 connect_blocks(node, CHAN_CONFIRM_DEPTH - 1);
64 /// Mine a signle block containing the given transaction
65 pub fn mine_transaction<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction) {
66 let height = node.best_block_info().1 + 1;
67 confirm_transaction_at(node, tx, height);
69 /// Mine the given transaction at the given height, mining blocks as required to build to that
72 /// Returns the SCID a channel confirmed in the given transaction will have, assuming the funding
73 /// output is the 1st output in the transaction.
74 pub fn confirm_transaction_at<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, tx: &Transaction, conf_height: u32) -> u64 {
75 let first_connect_height = node.best_block_info().1 + 1;
76 assert!(first_connect_height <= conf_height);
77 if conf_height > first_connect_height {
78 connect_blocks(node, conf_height - first_connect_height);
80 let mut block = Block {
81 header: BlockHeader { version: 0x20000000, prev_blockhash: node.best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: conf_height, bits: 42, nonce: 42 },
84 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
85 block.txdata.push(Transaction { version: 0, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: Vec::new() });
87 block.txdata.push(tx.clone());
88 connect_block(node, &block);
89 scid_utils::scid_from_parts(conf_height as u64, block.txdata.len() as u64 - 1, 0).unwrap()
92 /// The possible ways we may notify a ChannelManager of a new block
93 #[derive(Clone, Copy, Debug, PartialEq)]
94 pub enum ConnectStyle {
95 /// Calls `best_block_updated` first, detecting transactions in the block only after receiving
96 /// the header and height information.
98 /// The same as `BestBlockFirst`, however when we have multiple blocks to connect, we only
99 /// make a single `best_block_updated` call.
100 BestBlockFirstSkippingBlocks,
101 /// The same as `BestBlockFirst` when connecting blocks. During disconnection only
102 /// `transaction_unconfirmed` is called.
103 BestBlockFirstReorgsOnlyTip,
104 /// Calls `transactions_confirmed` first, detecting transactions in the block before updating
105 /// the header and height information.
107 /// The same as `TransactionsFirst`, however when we have multiple blocks to connect, we only
108 /// make a single `best_block_updated` call.
109 TransactionsFirstSkippingBlocks,
110 /// The same as `TransactionsFirst` when connecting blocks. During disconnection only
111 /// `transaction_unconfirmed` is called.
112 TransactionsFirstReorgsOnlyTip,
113 /// Provides the full block via the `chain::Listen` interface. In the current code this is
114 /// equivalent to `TransactionsFirst` with some additional assertions.
119 fn random_style() -> ConnectStyle {
120 #[cfg(feature = "std")] {
121 use core::hash::{BuildHasher, Hasher};
122 // Get a random value using the only std API to do so - the DefaultHasher
123 let rand_val = std::collections::hash_map::RandomState::new().build_hasher().finish();
124 let res = match rand_val % 7 {
125 0 => ConnectStyle::BestBlockFirst,
126 1 => ConnectStyle::BestBlockFirstSkippingBlocks,
127 2 => ConnectStyle::BestBlockFirstReorgsOnlyTip,
128 3 => ConnectStyle::TransactionsFirst,
129 4 => ConnectStyle::TransactionsFirstSkippingBlocks,
130 5 => ConnectStyle::TransactionsFirstReorgsOnlyTip,
131 6 => ConnectStyle::FullBlockViaListen,
134 eprintln!("Using Block Connection Style: {:?}", res);
137 #[cfg(not(feature = "std"))] {
138 ConnectStyle::FullBlockViaListen
143 pub fn connect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, depth: u32) -> BlockHash {
144 let skip_intermediaries = match *node.connect_style.borrow() {
145 ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::TransactionsFirstSkippingBlocks|
146 ConnectStyle::BestBlockFirstReorgsOnlyTip|ConnectStyle::TransactionsFirstReorgsOnlyTip => true,
150 let height = node.best_block_info().1 + 1;
151 let mut block = Block {
152 header: BlockHeader { version: 0x2000000, prev_blockhash: node.best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: height, bits: 42, nonce: 42 },
157 let prev_blockhash = block.header.block_hash();
158 do_connect_block(node, block, skip_intermediaries);
160 header: BlockHeader { version: 0x20000000, prev_blockhash, merkle_root: TxMerkleNode::all_zeros(), time: height + i, bits: 42, nonce: 42 },
164 let hash = block.header.block_hash();
165 do_connect_block(node, block, false);
169 pub fn connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: &Block) {
170 do_connect_block(node, block.clone(), false);
173 fn call_claimable_balances<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>) {
174 // Ensure `get_claimable_balances`' self-tests never panic
175 for funding_outpoint in node.chain_monitor.chain_monitor.list_monitors() {
176 node.chain_monitor.chain_monitor.get_monitor(funding_outpoint).unwrap().get_claimable_balances();
180 fn do_connect_block<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, block: Block, skip_intermediaries: bool) {
181 call_claimable_balances(node);
182 let height = node.best_block_info().1 + 1;
183 #[cfg(feature = "std")] {
184 eprintln!("Connecting block using Block Connection Style: {:?}", *node.connect_style.borrow());
186 if !skip_intermediaries {
187 let txdata: Vec<_> = block.txdata.iter().enumerate().collect();
188 match *node.connect_style.borrow() {
189 ConnectStyle::BestBlockFirst|ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::BestBlockFirstReorgsOnlyTip => {
190 node.chain_monitor.chain_monitor.best_block_updated(&block.header, height);
191 call_claimable_balances(node);
192 node.chain_monitor.chain_monitor.transactions_confirmed(&block.header, &txdata, height);
193 node.node.best_block_updated(&block.header, height);
194 node.node.transactions_confirmed(&block.header, &txdata, height);
196 ConnectStyle::TransactionsFirst|ConnectStyle::TransactionsFirstSkippingBlocks|ConnectStyle::TransactionsFirstReorgsOnlyTip => {
197 node.chain_monitor.chain_monitor.transactions_confirmed(&block.header, &txdata, height);
198 call_claimable_balances(node);
199 node.chain_monitor.chain_monitor.best_block_updated(&block.header, height);
200 node.node.transactions_confirmed(&block.header, &txdata, height);
201 node.node.best_block_updated(&block.header, height);
203 ConnectStyle::FullBlockViaListen => {
204 node.chain_monitor.chain_monitor.block_connected(&block, height);
205 node.node.block_connected(&block, height);
209 call_claimable_balances(node);
210 node.node.test_process_background_events();
211 node.blocks.lock().unwrap().push((block, height));
214 pub fn disconnect_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, count: u32) {
215 call_claimable_balances(node);
216 #[cfg(feature = "std")] {
217 eprintln!("Disconnecting {} blocks using Block Connection Style: {:?}", count, *node.connect_style.borrow());
220 let orig = node.blocks.lock().unwrap().pop().unwrap();
221 assert!(orig.1 > 0); // Cannot disconnect genesis
222 let prev = node.blocks.lock().unwrap().last().unwrap().clone();
224 match *node.connect_style.borrow() {
225 ConnectStyle::FullBlockViaListen => {
226 node.chain_monitor.chain_monitor.block_disconnected(&orig.0.header, orig.1);
227 Listen::block_disconnected(node.node, &orig.0.header, orig.1);
229 ConnectStyle::BestBlockFirstSkippingBlocks|ConnectStyle::TransactionsFirstSkippingBlocks => {
231 node.chain_monitor.chain_monitor.best_block_updated(&prev.0.header, prev.1);
232 node.node.best_block_updated(&prev.0.header, prev.1);
235 ConnectStyle::BestBlockFirstReorgsOnlyTip|ConnectStyle::TransactionsFirstReorgsOnlyTip => {
236 for tx in orig.0.txdata {
237 node.chain_monitor.chain_monitor.transaction_unconfirmed(&tx.txid());
238 node.node.transaction_unconfirmed(&tx.txid());
242 node.chain_monitor.chain_monitor.best_block_updated(&prev.0.header, prev.1);
243 node.node.best_block_updated(&prev.0.header, prev.1);
246 call_claimable_balances(node);
250 pub fn disconnect_all_blocks<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>) {
251 let count = node.blocks.lock().unwrap().len() as u32 - 1;
252 disconnect_blocks(node, count);
255 pub struct TestChanMonCfg {
256 pub tx_broadcaster: test_utils::TestBroadcaster,
257 pub fee_estimator: test_utils::TestFeeEstimator,
258 pub chain_source: test_utils::TestChainSource,
259 pub persister: test_utils::TestPersister,
260 pub logger: test_utils::TestLogger,
261 pub keys_manager: test_utils::TestKeysInterface,
264 pub struct NodeCfg<'a> {
265 pub chain_source: &'a test_utils::TestChainSource,
266 pub tx_broadcaster: &'a test_utils::TestBroadcaster,
267 pub fee_estimator: &'a test_utils::TestFeeEstimator,
268 pub chain_monitor: test_utils::TestChainMonitor<'a>,
269 pub keys_manager: &'a test_utils::TestKeysInterface,
270 pub logger: &'a test_utils::TestLogger,
271 pub network_graph: NetworkGraph<&'a test_utils::TestLogger>,
272 pub node_seed: [u8; 32],
273 pub features: InitFeatures,
276 pub struct Node<'a, 'b: 'a, 'c: 'b> {
277 pub chain_source: &'c test_utils::TestChainSource,
278 pub tx_broadcaster: &'c test_utils::TestBroadcaster,
279 pub chain_monitor: &'b test_utils::TestChainMonitor<'c>,
280 pub keys_manager: &'b test_utils::TestKeysInterface,
281 pub node: &'a ChannelManager<&'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>,
282 pub network_graph: &'b NetworkGraph<&'c test_utils::TestLogger>,
283 pub gossip_sync: P2PGossipSync<&'b NetworkGraph<&'c test_utils::TestLogger>, &'c test_utils::TestChainSource, &'c test_utils::TestLogger>,
284 pub node_seed: [u8; 32],
285 pub network_payment_count: Rc<RefCell<u8>>,
286 pub network_chan_count: Rc<RefCell<u32>>,
287 pub logger: &'c test_utils::TestLogger,
288 pub blocks: Arc<Mutex<Vec<(Block, u32)>>>,
289 pub connect_style: Rc<RefCell<ConnectStyle>>,
291 impl<'a, 'b, 'c> Node<'a, 'b, 'c> {
292 pub fn best_block_hash(&self) -> BlockHash {
293 self.blocks.lock().unwrap().last().unwrap().0.block_hash()
295 pub fn best_block_info(&self) -> (BlockHash, u32) {
296 self.blocks.lock().unwrap().last().map(|(a, b)| (a.block_hash(), *b)).unwrap()
298 pub fn get_block_header(&self, height: u32) -> BlockHeader {
299 self.blocks.lock().unwrap()[height as usize].0.header
303 impl<'a, 'b, 'c> Drop for Node<'a, 'b, 'c> {
306 // Check that we processed all pending events
307 let msg_events = self.node.get_and_clear_pending_msg_events();
308 if !msg_events.is_empty() {
309 panic!("Had excess message events on node {}: {:?}", self.logger.id, msg_events);
311 let events = self.node.get_and_clear_pending_events();
312 if !events.is_empty() {
313 panic!("Had excess events on node {}: {:?}", self.logger.id, events);
315 let added_monitors = self.chain_monitor.added_monitors.lock().unwrap().split_off(0);
316 if !added_monitors.is_empty() {
317 panic!("Had {} excess added monitors on node {}", added_monitors.len(), self.logger.id);
320 // Check that if we serialize the Router, we can deserialize it again.
322 let mut w = test_utils::TestVecWriter(Vec::new());
323 self.network_graph.write(&mut w).unwrap();
324 let network_graph_deser = <NetworkGraph<_>>::read(&mut io::Cursor::new(&w.0), self.logger).unwrap();
325 assert!(network_graph_deser == *self.network_graph);
326 let gossip_sync = P2PGossipSync::new(
327 &network_graph_deser, Some(self.chain_source), self.logger
329 let mut chan_progress = 0;
331 let orig_announcements = self.gossip_sync.get_next_channel_announcement(chan_progress);
332 let deserialized_announcements = gossip_sync.get_next_channel_announcement(chan_progress);
333 assert!(orig_announcements == deserialized_announcements);
334 chan_progress = match orig_announcements {
335 Some(announcement) => announcement.0.contents.short_channel_id + 1,
339 let mut node_progress = None;
341 let orig_announcements = self.gossip_sync.get_next_node_announcement(node_progress.as_ref());
342 let deserialized_announcements = gossip_sync.get_next_node_announcement(node_progress.as_ref());
343 assert!(orig_announcements == deserialized_announcements);
344 node_progress = match orig_announcements {
345 Some(announcement) => Some(announcement.contents.node_id),
351 // Check that if we serialize and then deserialize all our channel monitors we get the
352 // same set of outputs to watch for on chain as we have now. Note that if we write
353 // tests that fully close channels and remove the monitors at some point this may break.
354 let feeest = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
355 let mut deserialized_monitors = Vec::new();
357 for outpoint in self.chain_monitor.chain_monitor.list_monitors() {
358 let mut w = test_utils::TestVecWriter(Vec::new());
359 self.chain_monitor.chain_monitor.get_monitor(outpoint).unwrap().write(&mut w).unwrap();
360 let (_, deserialized_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
361 &mut io::Cursor::new(&w.0), self.keys_manager).unwrap();
362 deserialized_monitors.push(deserialized_monitor);
366 let broadcaster = test_utils::TestBroadcaster {
367 txn_broadcasted: Mutex::new(self.tx_broadcaster.txn_broadcasted.lock().unwrap().clone()),
368 blocks: Arc::new(Mutex::new(self.tx_broadcaster.blocks.lock().unwrap().clone())),
371 // Before using all the new monitors to check the watch outpoints, use the full set of
372 // them to ensure we can write and reload our ChannelManager.
374 let mut channel_monitors = HashMap::new();
375 for monitor in deserialized_monitors.iter_mut() {
376 channel_monitors.insert(monitor.get_funding_txo().0, monitor);
379 let mut w = test_utils::TestVecWriter(Vec::new());
380 self.node.write(&mut w).unwrap();
381 <(BlockHash, ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut io::Cursor::new(w.0), ChannelManagerReadArgs {
382 default_config: *self.node.get_current_default_configuration(),
383 keys_manager: self.keys_manager,
384 fee_estimator: &test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) },
385 chain_monitor: self.chain_monitor,
386 tx_broadcaster: &broadcaster,
387 logger: &self.logger,
392 let persister = test_utils::TestPersister::new();
393 let chain_source = test_utils::TestChainSource::new(Network::Testnet);
394 let chain_monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &broadcaster, &self.logger, &feeest, &persister, &self.keys_manager);
395 for deserialized_monitor in deserialized_monitors.drain(..) {
396 if chain_monitor.watch_channel(deserialized_monitor.get_funding_txo().0, deserialized_monitor) != ChannelMonitorUpdateStatus::Completed {
400 assert_eq!(*chain_source.watched_txn.lock().unwrap(), *self.chain_source.watched_txn.lock().unwrap());
401 assert_eq!(*chain_source.watched_outputs.lock().unwrap(), *self.chain_source.watched_outputs.lock().unwrap());
406 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) {
407 create_chan_between_nodes_with_value(node_a, node_b, 100000, 10001, a_flags, b_flags)
410 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) {
411 let (channel_ready, channel_id, tx) = create_chan_between_nodes_with_value_a(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
412 let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(node_a, node_b, &channel_ready);
413 (announcement, as_update, bs_update, channel_id, tx)
417 /// Gets an RAA and CS which were sent in response to a commitment update
418 macro_rules! get_revoke_commit_msgs {
419 ($node: expr, $node_id: expr) => {
421 use $crate::util::events::MessageSendEvent;
422 let events = $node.node.get_and_clear_pending_msg_events();
423 assert_eq!(events.len(), 2);
425 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
426 assert_eq!(*node_id, $node_id);
429 _ => panic!("Unexpected event"),
431 MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
432 assert_eq!(*node_id, $node_id);
433 assert!(updates.update_add_htlcs.is_empty());
434 assert!(updates.update_fulfill_htlcs.is_empty());
435 assert!(updates.update_fail_htlcs.is_empty());
436 assert!(updates.update_fail_malformed_htlcs.is_empty());
437 assert!(updates.update_fee.is_none());
438 updates.commitment_signed.clone()
440 _ => panic!("Unexpected event"),
446 /// Get an specific event message from the pending events queue.
448 macro_rules! get_event_msg {
449 ($node: expr, $event_type: path, $node_id: expr) => {
451 let events = $node.node.get_and_clear_pending_msg_events();
452 assert_eq!(events.len(), 1);
454 $event_type { ref node_id, ref msg } => {
455 assert_eq!(*node_id, $node_id);
458 _ => panic!("Unexpected event"),
464 /// Get an error message from the pending events queue.
466 macro_rules! get_err_msg {
467 ($node: expr, $node_id: expr) => {
469 let events = $node.node.get_and_clear_pending_msg_events();
470 assert_eq!(events.len(), 1);
472 $crate::util::events::MessageSendEvent::HandleError {
473 action: $crate::ln::msgs::ErrorAction::SendErrorMessage { ref msg }, ref node_id
475 assert_eq!(*node_id, $node_id);
478 _ => panic!("Unexpected event"),
484 /// Get a specific event from the pending events queue.
486 macro_rules! get_event {
487 ($node: expr, $event_type: path) => {
489 let mut events = $node.node.get_and_clear_pending_events();
490 assert_eq!(events.len(), 1);
491 let ev = events.pop().unwrap();
493 $event_type { .. } => {
496 _ => panic!("Unexpected event"),
503 /// Gets an UpdateHTLCs MessageSendEvent
504 macro_rules! get_htlc_update_msgs {
505 ($node: expr, $node_id: expr) => {
507 let events = $node.node.get_and_clear_pending_msg_events();
508 assert_eq!(events.len(), 1);
510 $crate::util::events::MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
511 assert_eq!(*node_id, $node_id);
514 _ => panic!("Unexpected event"),
521 macro_rules! get_channel_ref {
522 ($node: expr, $lock: ident, $channel_id: expr) => {
524 $lock = $node.node.channel_state.lock().unwrap();
525 $lock.by_id.get_mut(&$channel_id).unwrap()
531 macro_rules! get_feerate {
532 ($node: expr, $channel_id: expr) => {
535 let chan = get_channel_ref!($node, lock, $channel_id);
542 macro_rules! get_opt_anchors {
543 ($node: expr, $channel_id: expr) => {
546 let chan = get_channel_ref!($node, lock, $channel_id);
552 /// Returns a channel monitor given a channel id, making some naive assumptions
554 macro_rules! get_monitor {
555 ($node: expr, $channel_id: expr) => {
557 use bitcoin::hashes::Hash;
558 let mut monitor = None;
559 // Assume funding vout is either 0 or 1 blindly
561 if let Ok(mon) = $node.chain_monitor.chain_monitor.get_monitor(
562 $crate::chain::transaction::OutPoint {
563 txid: bitcoin::Txid::from_slice(&$channel_id[..]).unwrap(), index
575 /// Returns any local commitment transactions for the channel.
577 macro_rules! get_local_commitment_txn {
578 ($node: expr, $channel_id: expr) => {
580 $crate::get_monitor!($node, $channel_id).unsafe_get_latest_holder_commitment_txn(&$node.logger)
585 /// Check the error from attempting a payment.
587 macro_rules! unwrap_send_err {
588 ($res: expr, $all_failed: expr, $type: pat, $check: expr) => {
590 &Err(PaymentSendFailure::AllFailedRetrySafe(ref fails)) if $all_failed => {
591 assert_eq!(fails.len(), 1);
597 &Err(PaymentSendFailure::PartialFailure { ref results, .. }) if !$all_failed => {
598 assert_eq!(results.len(), 1);
600 Err($type) => { $check },
609 /// Check whether N channel monitor(s) have been added.
611 macro_rules! check_added_monitors {
612 ($node: expr, $count: expr) => {
614 let mut added_monitors = $node.chain_monitor.added_monitors.lock().unwrap();
615 assert_eq!(added_monitors.len(), $count);
616 added_monitors.clear();
621 pub fn create_funding_transaction<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, expected_counterparty_node_id: &PublicKey, expected_chan_value: u64, expected_user_chan_id: u128) -> ([u8; 32], Transaction, OutPoint) {
622 let chan_id = *node.network_chan_count.borrow();
624 let events = node.node.get_and_clear_pending_events();
625 assert_eq!(events.len(), 1);
627 Event::FundingGenerationReady { ref temporary_channel_id, ref counterparty_node_id, ref channel_value_satoshis, ref output_script, user_channel_id } => {
628 assert_eq!(counterparty_node_id, expected_counterparty_node_id);
629 assert_eq!(*channel_value_satoshis, expected_chan_value);
630 assert_eq!(user_channel_id, expected_user_chan_id);
632 let tx = Transaction { version: chan_id as i32, lock_time: PackedLockTime::ZERO, input: Vec::new(), output: vec![TxOut {
633 value: *channel_value_satoshis, script_pubkey: output_script.clone(),
635 let funding_outpoint = OutPoint { txid: tx.txid(), index: 0 };
636 (*temporary_channel_id, tx, funding_outpoint)
638 _ => panic!("Unexpected event"),
641 pub fn sign_funding_transaction<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, channel_value: u64, expected_temporary_channel_id: [u8; 32]) -> Transaction {
642 let (temporary_channel_id, tx, funding_output) = create_funding_transaction(node_a, &node_b.node.get_our_node_id(), channel_value, 42);
643 assert_eq!(temporary_channel_id, expected_temporary_channel_id);
645 assert!(node_a.node.funding_transaction_generated(&temporary_channel_id, &node_b.node.get_our_node_id(), tx.clone()).is_ok());
646 check_added_monitors!(node_a, 0);
648 let funding_created_msg = get_event_msg!(node_a, MessageSendEvent::SendFundingCreated, node_b.node.get_our_node_id());
649 assert_eq!(funding_created_msg.temporary_channel_id, expected_temporary_channel_id);
650 node_b.node.handle_funding_created(&node_a.node.get_our_node_id(), &funding_created_msg);
652 let mut added_monitors = node_b.chain_monitor.added_monitors.lock().unwrap();
653 assert_eq!(added_monitors.len(), 1);
654 assert_eq!(added_monitors[0].0, funding_output);
655 added_monitors.clear();
658 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()));
660 let mut added_monitors = node_a.chain_monitor.added_monitors.lock().unwrap();
661 assert_eq!(added_monitors.len(), 1);
662 assert_eq!(added_monitors[0].0, funding_output);
663 added_monitors.clear();
666 let events_4 = node_a.node.get_and_clear_pending_events();
667 assert_eq!(events_4.len(), 0);
669 assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
670 assert_eq!(node_a.tx_broadcaster.txn_broadcasted.lock().unwrap()[0], tx);
671 node_a.tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
673 // Ensure that funding_transaction_generated is idempotent.
674 assert!(node_a.node.funding_transaction_generated(&temporary_channel_id, &node_b.node.get_our_node_id(), tx.clone()).is_err());
675 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
676 check_added_monitors!(node_a, 0);
681 // Receiver must have been initialized with manually_accept_inbound_channels set to true.
682 pub fn open_zero_conf_channel<'a, 'b, 'c, 'd>(initiator: &'a Node<'b, 'c, 'd>, receiver: &'a Node<'b, 'c, 'd>, initiator_config: Option<UserConfig>) -> (bitcoin::Transaction, [u8; 32]) {
683 let initiator_channels = initiator.node.list_usable_channels().len();
684 let receiver_channels = receiver.node.list_usable_channels().len();
686 initiator.node.create_channel(receiver.node.get_our_node_id(), 100_000, 10_001, 42, initiator_config).unwrap();
687 let open_channel = get_event_msg!(initiator, MessageSendEvent::SendOpenChannel, receiver.node.get_our_node_id());
689 receiver.node.handle_open_channel(&initiator.node.get_our_node_id(), channelmanager::provided_init_features(), &open_channel);
690 let events = receiver.node.get_and_clear_pending_events();
691 assert_eq!(events.len(), 1);
693 Event::OpenChannelRequest { temporary_channel_id, .. } => {
694 receiver.node.accept_inbound_channel_from_trusted_peer_0conf(&temporary_channel_id, &initiator.node.get_our_node_id(), 0).unwrap();
696 _ => panic!("Unexpected event"),
699 let accept_channel = get_event_msg!(receiver, MessageSendEvent::SendAcceptChannel, initiator.node.get_our_node_id());
700 assert_eq!(accept_channel.minimum_depth, 0);
701 initiator.node.handle_accept_channel(&receiver.node.get_our_node_id(), channelmanager::provided_init_features(), &accept_channel);
703 let (temporary_channel_id, tx, _) = create_funding_transaction(&initiator, &receiver.node.get_our_node_id(), 100_000, 42);
704 initiator.node.funding_transaction_generated(&temporary_channel_id, &receiver.node.get_our_node_id(), tx.clone()).unwrap();
705 let funding_created = get_event_msg!(initiator, MessageSendEvent::SendFundingCreated, receiver.node.get_our_node_id());
707 receiver.node.handle_funding_created(&initiator.node.get_our_node_id(), &funding_created);
708 check_added_monitors!(receiver, 1);
709 let bs_signed_locked = receiver.node.get_and_clear_pending_msg_events();
710 assert_eq!(bs_signed_locked.len(), 2);
711 let as_channel_ready;
712 match &bs_signed_locked[0] {
713 MessageSendEvent::SendFundingSigned { node_id, msg } => {
714 assert_eq!(*node_id, initiator.node.get_our_node_id());
715 initiator.node.handle_funding_signed(&receiver.node.get_our_node_id(), &msg);
716 check_added_monitors!(initiator, 1);
718 assert_eq!(initiator.tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
719 assert_eq!(initiator.tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0)[0], tx);
721 as_channel_ready = get_event_msg!(initiator, MessageSendEvent::SendChannelReady, receiver.node.get_our_node_id());
723 _ => panic!("Unexpected event"),
725 match &bs_signed_locked[1] {
726 MessageSendEvent::SendChannelReady { node_id, msg } => {
727 assert_eq!(*node_id, initiator.node.get_our_node_id());
728 initiator.node.handle_channel_ready(&receiver.node.get_our_node_id(), &msg);
730 _ => panic!("Unexpected event"),
733 receiver.node.handle_channel_ready(&initiator.node.get_our_node_id(), &as_channel_ready);
735 let as_channel_update = get_event_msg!(initiator, MessageSendEvent::SendChannelUpdate, receiver.node.get_our_node_id());
736 let bs_channel_update = get_event_msg!(receiver, MessageSendEvent::SendChannelUpdate, initiator.node.get_our_node_id());
738 initiator.node.handle_channel_update(&receiver.node.get_our_node_id(), &bs_channel_update);
739 receiver.node.handle_channel_update(&initiator.node.get_our_node_id(), &as_channel_update);
741 assert_eq!(initiator.node.list_usable_channels().len(), initiator_channels + 1);
742 assert_eq!(receiver.node.list_usable_channels().len(), receiver_channels + 1);
744 expect_channel_ready_event(&initiator, &receiver.node.get_our_node_id());
745 expect_channel_ready_event(&receiver, &initiator.node.get_our_node_id());
747 (tx, as_channel_ready.channel_id)
750 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 {
751 let create_chan_id = node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap();
752 let open_channel_msg = get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id());
753 assert_eq!(open_channel_msg.temporary_channel_id, create_chan_id);
754 assert_eq!(node_a.node.list_channels().iter().find(|channel| channel.channel_id == create_chan_id).unwrap().user_channel_id, 42);
755 node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), a_flags, &open_channel_msg);
756 let accept_channel_msg = get_event_msg!(node_b, MessageSendEvent::SendAcceptChannel, node_a.node.get_our_node_id());
757 assert_eq!(accept_channel_msg.temporary_channel_id, create_chan_id);
758 node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), b_flags, &accept_channel_msg);
759 assert_ne!(node_b.node.list_channels().iter().find(|channel| channel.channel_id == create_chan_id).unwrap().user_channel_id, 0);
761 sign_funding_transaction(node_a, node_b, channel_value, create_chan_id)
764 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) {
765 confirm_transaction_at(node_conf, tx, conf_height);
766 connect_blocks(node_conf, CHAN_CONFIRM_DEPTH - 1);
767 node_recv.node.handle_channel_ready(&node_conf.node.get_our_node_id(), &get_event_msg!(node_conf, MessageSendEvent::SendChannelReady, node_recv.node.get_our_node_id()));
770 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::ChannelReady, msgs::AnnouncementSignatures), [u8; 32]) {
772 let events_6 = node_conf.node.get_and_clear_pending_msg_events();
773 assert_eq!(events_6.len(), 3);
774 let announcement_sigs_idx = if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = events_6[1] {
775 assert_eq!(*node_id, node_recv.node.get_our_node_id());
777 } else if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = events_6[2] {
778 assert_eq!(*node_id, node_recv.node.get_our_node_id());
780 } else { panic!("Unexpected event: {:?}", events_6[1]); };
781 ((match events_6[0] {
782 MessageSendEvent::SendChannelReady { ref node_id, ref msg } => {
783 channel_id = msg.channel_id.clone();
784 assert_eq!(*node_id, node_recv.node.get_our_node_id());
787 _ => panic!("Unexpected event"),
788 }, match events_6[announcement_sigs_idx] {
789 MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => {
790 assert_eq!(*node_id, node_recv.node.get_our_node_id());
793 _ => panic!("Unexpected event"),
797 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::ChannelReady, msgs::AnnouncementSignatures), [u8; 32]) {
798 let conf_height = core::cmp::max(node_a.best_block_info().1 + 1, node_b.best_block_info().1 + 1);
799 create_chan_between_nodes_with_value_confirm_first(node_a, node_b, tx, conf_height);
800 confirm_transaction_at(node_a, tx, conf_height);
801 connect_blocks(node_a, CHAN_CONFIRM_DEPTH - 1);
802 expect_channel_ready_event(&node_a, &node_b.node.get_our_node_id());
803 create_chan_between_nodes_with_value_confirm_second(node_b, node_a)
806 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::ChannelReady, msgs::AnnouncementSignatures), [u8; 32], Transaction) {
807 let tx = create_chan_between_nodes_with_value_init(node_a, node_b, channel_value, push_msat, a_flags, b_flags);
808 let (msgs, chan_id) = create_chan_between_nodes_with_value_confirm(node_a, node_b, &tx);
812 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::ChannelReady, msgs::AnnouncementSignatures)) -> (msgs::ChannelAnnouncement, msgs::ChannelUpdate, msgs::ChannelUpdate) {
813 node_b.node.handle_channel_ready(&node_a.node.get_our_node_id(), &as_funding_msgs.0);
814 let bs_announcement_sigs = get_event_msg!(node_b, MessageSendEvent::SendAnnouncementSignatures, node_a.node.get_our_node_id());
815 node_b.node.handle_announcement_signatures(&node_a.node.get_our_node_id(), &as_funding_msgs.1);
817 let events_7 = node_b.node.get_and_clear_pending_msg_events();
818 assert_eq!(events_7.len(), 1);
819 let (announcement, bs_update) = match events_7[0] {
820 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
823 _ => panic!("Unexpected event"),
826 node_a.node.handle_announcement_signatures(&node_b.node.get_our_node_id(), &bs_announcement_sigs);
827 let events_8 = node_a.node.get_and_clear_pending_msg_events();
828 assert_eq!(events_8.len(), 1);
829 let as_update = match events_8[0] {
830 MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => {
831 assert!(*announcement == *msg);
832 assert_eq!(update_msg.contents.short_channel_id, announcement.contents.short_channel_id);
833 assert_eq!(update_msg.contents.short_channel_id, bs_update.contents.short_channel_id);
836 _ => panic!("Unexpected event"),
839 *node_a.network_chan_count.borrow_mut() += 1;
841 expect_channel_ready_event(&node_b, &node_a.node.get_our_node_id());
842 ((*announcement).clone(), (*as_update).clone(), (*bs_update).clone())
845 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) {
846 create_announced_chan_between_nodes_with_value(nodes, a, b, 100000, 10001, a_flags, b_flags)
849 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) {
850 let chan_announcement = create_chan_between_nodes_with_value(&nodes[a], &nodes[b], channel_value, push_msat, a_flags, b_flags);
851 update_nodes_with_chan_announce(nodes, a, b, &chan_announcement.0, &chan_announcement.1, &chan_announcement.2);
852 (chan_announcement.1, chan_announcement.2, chan_announcement.3, chan_announcement.4)
855 pub fn create_unannounced_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::ChannelReady, Transaction) {
856 let mut no_announce_cfg = test_default_channel_config();
857 no_announce_cfg.channel_handshake_config.announced_channel = false;
858 nodes[a].node.create_channel(nodes[b].node.get_our_node_id(), channel_value, push_msat, 42, Some(no_announce_cfg)).unwrap();
859 let open_channel = get_event_msg!(nodes[a], MessageSendEvent::SendOpenChannel, nodes[b].node.get_our_node_id());
860 nodes[b].node.handle_open_channel(&nodes[a].node.get_our_node_id(), a_flags, &open_channel);
861 let accept_channel = get_event_msg!(nodes[b], MessageSendEvent::SendAcceptChannel, nodes[a].node.get_our_node_id());
862 nodes[a].node.handle_accept_channel(&nodes[b].node.get_our_node_id(), b_flags, &accept_channel);
864 let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[a], &nodes[b].node.get_our_node_id(), channel_value, 42);
865 nodes[a].node.funding_transaction_generated(&temporary_channel_id, &nodes[b].node.get_our_node_id(), tx.clone()).unwrap();
866 nodes[b].node.handle_funding_created(&nodes[a].node.get_our_node_id(), &get_event_msg!(nodes[a], MessageSendEvent::SendFundingCreated, nodes[b].node.get_our_node_id()));
867 check_added_monitors!(nodes[b], 1);
869 let cs_funding_signed = get_event_msg!(nodes[b], MessageSendEvent::SendFundingSigned, nodes[a].node.get_our_node_id());
870 nodes[a].node.handle_funding_signed(&nodes[b].node.get_our_node_id(), &cs_funding_signed);
871 check_added_monitors!(nodes[a], 1);
873 let conf_height = core::cmp::max(nodes[a].best_block_info().1 + 1, nodes[b].best_block_info().1 + 1);
874 confirm_transaction_at(&nodes[a], &tx, conf_height);
875 connect_blocks(&nodes[a], CHAN_CONFIRM_DEPTH - 1);
876 confirm_transaction_at(&nodes[b], &tx, conf_height);
877 connect_blocks(&nodes[b], CHAN_CONFIRM_DEPTH - 1);
878 let as_channel_ready = get_event_msg!(nodes[a], MessageSendEvent::SendChannelReady, nodes[b].node.get_our_node_id());
879 nodes[a].node.handle_channel_ready(&nodes[b].node.get_our_node_id(), &get_event_msg!(nodes[b], MessageSendEvent::SendChannelReady, nodes[a].node.get_our_node_id()));
880 expect_channel_ready_event(&nodes[a], &nodes[b].node.get_our_node_id());
881 let as_update = get_event_msg!(nodes[a], MessageSendEvent::SendChannelUpdate, nodes[b].node.get_our_node_id());
882 nodes[b].node.handle_channel_ready(&nodes[a].node.get_our_node_id(), &as_channel_ready);
883 expect_channel_ready_event(&nodes[b], &nodes[a].node.get_our_node_id());
884 let bs_update = get_event_msg!(nodes[b], MessageSendEvent::SendChannelUpdate, nodes[a].node.get_our_node_id());
886 nodes[a].node.handle_channel_update(&nodes[b].node.get_our_node_id(), &bs_update);
887 nodes[b].node.handle_channel_update(&nodes[a].node.get_our_node_id(), &as_update);
889 let mut found_a = false;
890 for chan in nodes[a].node.list_usable_channels() {
891 if chan.channel_id == as_channel_ready.channel_id {
894 assert!(!chan.is_public);
899 let mut found_b = false;
900 for chan in nodes[b].node.list_usable_channels() {
901 if chan.channel_id == as_channel_ready.channel_id {
904 assert!(!chan.is_public);
909 (as_channel_ready, tx)
912 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) {
914 assert!(node.gossip_sync.handle_channel_announcement(ann).unwrap());
915 node.gossip_sync.handle_channel_update(upd_1).unwrap();
916 node.gossip_sync.handle_channel_update(upd_2).unwrap();
918 // Note that channel_updates are also delivered to ChannelManagers to ensure we have
919 // forwarding info for local channels even if its not accepted in the network graph.
920 node.node.handle_channel_update(&nodes[a].node.get_our_node_id(), &upd_1);
921 node.node.handle_channel_update(&nodes[b].node.get_our_node_id(), &upd_2);
926 macro_rules! check_spends {
927 ($tx: expr, $($spends_txn: expr),*) => {
930 for outp in $spends_txn.output.iter() {
931 assert!(outp.value >= outp.script_pubkey.dust_value().to_sat(), "Input tx output didn't meet dust limit");
934 for outp in $tx.output.iter() {
935 assert!(outp.value >= outp.script_pubkey.dust_value().to_sat(), "Spending tx output didn't meet dust limit");
937 let get_output = |out_point: &bitcoin::blockdata::transaction::OutPoint| {
939 if out_point.txid == $spends_txn.txid() {
940 return $spends_txn.output.get(out_point.vout as usize).cloned()
945 let mut total_value_in = 0;
946 for input in $tx.input.iter() {
947 total_value_in += get_output(&input.previous_output).unwrap().value;
949 let mut total_value_out = 0;
950 for output in $tx.output.iter() {
951 total_value_out += output.value;
953 let min_fee = ($tx.weight() as u64 + 3) / 4; // One sat per vbyte (ie per weight/4, rounded up)
954 // Input amount - output amount = fee, so check that out + min_fee is smaller than input
955 assert!(total_value_out + min_fee <= total_value_in);
956 $tx.verify(get_output).unwrap();
961 macro_rules! get_closing_signed_broadcast {
962 ($node: expr, $dest_pubkey: expr) => {
964 let events = $node.get_and_clear_pending_msg_events();
965 assert!(events.len() == 1 || events.len() == 2);
966 (match events[events.len() - 1] {
967 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
968 assert_eq!(msg.contents.flags & 2, 2);
971 _ => panic!("Unexpected event"),
972 }, if events.len() == 2 {
974 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
975 assert_eq!(*node_id, $dest_pubkey);
978 _ => panic!("Unexpected event"),
986 macro_rules! check_warn_msg {
987 ($node: expr, $recipient_node_id: expr, $chan_id: expr) => {{
988 let msg_events = $node.node.get_and_clear_pending_msg_events();
989 assert_eq!(msg_events.len(), 1);
990 match msg_events[0] {
991 MessageSendEvent::HandleError { action: ErrorAction::SendWarningMessage { ref msg, log_level: _ }, node_id } => {
992 assert_eq!(node_id, $recipient_node_id);
993 assert_eq!(msg.channel_id, $chan_id);
996 _ => panic!("Unexpected event"),
1001 /// Check that a channel's closing channel update has been broadcasted, and optionally
1002 /// check whether an error message event has occurred.
1004 macro_rules! check_closed_broadcast {
1005 ($node: expr, $with_error_msg: expr) => {{
1006 use $crate::util::events::MessageSendEvent;
1007 use $crate::ln::msgs::ErrorAction;
1009 let msg_events = $node.node.get_and_clear_pending_msg_events();
1010 assert_eq!(msg_events.len(), if $with_error_msg { 2 } else { 1 });
1011 match msg_events[0] {
1012 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
1013 assert_eq!(msg.contents.flags & 2, 2);
1015 _ => panic!("Unexpected event"),
1017 if $with_error_msg {
1018 match msg_events[1] {
1019 MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id: _ } => {
1020 // TODO: Check node_id
1023 _ => panic!("Unexpected event"),
1029 /// Check that a channel's closing channel events has been issued
1031 macro_rules! check_closed_event {
1032 ($node: expr, $events: expr, $reason: expr) => {
1033 check_closed_event!($node, $events, $reason, false);
1035 ($node: expr, $events: expr, $reason: expr, $is_check_discard_funding: expr) => {{
1036 use $crate::util::events::Event;
1038 let events = $node.node.get_and_clear_pending_events();
1039 assert_eq!(events.len(), $events);
1040 let expected_reason = $reason;
1041 let mut issues_discard_funding = false;
1042 for event in events {
1044 Event::ChannelClosed { ref reason, .. } => {
1045 assert_eq!(*reason, expected_reason);
1047 Event::DiscardFunding { .. } => {
1048 issues_discard_funding = true;
1050 _ => panic!("Unexpected event"),
1053 assert_eq!($is_check_discard_funding, issues_discard_funding);
1057 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) {
1058 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) };
1059 let (node_b, broadcaster_b, struct_b) = if close_inbound_first { (&outbound_node.node, &outbound_node.tx_broadcaster, outbound_node) } else { (&inbound_node.node, &inbound_node.tx_broadcaster, inbound_node) };
1062 node_a.close_channel(channel_id, &node_b.get_our_node_id()).unwrap();
1063 node_b.handle_shutdown(&node_a.get_our_node_id(), &channelmanager::provided_init_features(), &get_event_msg!(struct_a, MessageSendEvent::SendShutdown, node_b.get_our_node_id()));
1065 let events_1 = node_b.get_and_clear_pending_msg_events();
1066 assert!(events_1.len() >= 1);
1067 let shutdown_b = match events_1[0] {
1068 MessageSendEvent::SendShutdown { ref node_id, ref msg } => {
1069 assert_eq!(node_id, &node_a.get_our_node_id());
1072 _ => panic!("Unexpected event"),
1075 let closing_signed_b = if !close_inbound_first {
1076 assert_eq!(events_1.len(), 1);
1079 Some(match events_1[1] {
1080 MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
1081 assert_eq!(node_id, &node_a.get_our_node_id());
1084 _ => panic!("Unexpected event"),
1088 node_a.handle_shutdown(&node_b.get_our_node_id(), &channelmanager::provided_init_features(), &shutdown_b);
1089 let (as_update, bs_update) = if close_inbound_first {
1090 assert!(node_a.get_and_clear_pending_msg_events().is_empty());
1091 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
1093 node_b.handle_closing_signed(&node_a.get_our_node_id(), &get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id()));
1094 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
1095 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
1096 let (bs_update, closing_signed_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
1098 node_a.handle_closing_signed(&node_b.get_our_node_id(), &closing_signed_b.unwrap());
1099 let (as_update, none_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
1100 assert!(none_a.is_none());
1101 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
1102 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
1103 (as_update, bs_update)
1105 let closing_signed_a = get_event_msg!(struct_a, MessageSendEvent::SendClosingSigned, node_b.get_our_node_id());
1107 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a);
1108 node_a.handle_closing_signed(&node_b.get_our_node_id(), &get_event_msg!(struct_b, MessageSendEvent::SendClosingSigned, node_a.get_our_node_id()));
1110 assert_eq!(broadcaster_a.txn_broadcasted.lock().unwrap().len(), 1);
1111 tx_a = broadcaster_a.txn_broadcasted.lock().unwrap().remove(0);
1112 let (as_update, closing_signed_a) = get_closing_signed_broadcast!(node_a, node_b.get_our_node_id());
1114 node_b.handle_closing_signed(&node_a.get_our_node_id(), &closing_signed_a.unwrap());
1115 let (bs_update, none_b) = get_closing_signed_broadcast!(node_b, node_a.get_our_node_id());
1116 assert!(none_b.is_none());
1117 assert_eq!(broadcaster_b.txn_broadcasted.lock().unwrap().len(), 1);
1118 tx_b = broadcaster_b.txn_broadcasted.lock().unwrap().remove(0);
1119 (as_update, bs_update)
1121 assert_eq!(tx_a, tx_b);
1122 check_spends!(tx_a, funding_tx);
1124 (as_update, bs_update, tx_a)
1127 pub struct SendEvent {
1128 pub node_id: PublicKey,
1129 pub msgs: Vec<msgs::UpdateAddHTLC>,
1130 pub commitment_msg: msgs::CommitmentSigned,
1133 pub fn from_commitment_update(node_id: PublicKey, updates: msgs::CommitmentUpdate) -> SendEvent {
1134 assert!(updates.update_fulfill_htlcs.is_empty());
1135 assert!(updates.update_fail_htlcs.is_empty());
1136 assert!(updates.update_fail_malformed_htlcs.is_empty());
1137 assert!(updates.update_fee.is_none());
1138 SendEvent { node_id, msgs: updates.update_add_htlcs, commitment_msg: updates.commitment_signed }
1141 pub fn from_event(event: MessageSendEvent) -> SendEvent {
1143 MessageSendEvent::UpdateHTLCs { node_id, updates } => SendEvent::from_commitment_update(node_id, updates),
1144 _ => panic!("Unexpected event type!"),
1148 pub fn from_node<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>) -> SendEvent {
1149 let mut events = node.node.get_and_clear_pending_msg_events();
1150 assert_eq!(events.len(), 1);
1151 SendEvent::from_event(events.pop().unwrap())
1156 /// Performs the "commitment signed dance" - the series of message exchanges which occur after a
1157 /// commitment update.
1158 macro_rules! commitment_signed_dance {
1159 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */) => {
1161 check_added_monitors!($node_a, 0);
1162 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
1163 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
1164 check_added_monitors!($node_a, 1);
1165 commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, false);
1168 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */, true /* return last RAA */) => {
1170 let (as_revoke_and_ack, as_commitment_signed) = get_revoke_commit_msgs!($node_a, $node_b.node.get_our_node_id());
1171 check_added_monitors!($node_b, 0);
1172 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
1173 $node_b.node.handle_revoke_and_ack(&$node_a.node.get_our_node_id(), &as_revoke_and_ack);
1174 assert!($node_b.node.get_and_clear_pending_msg_events().is_empty());
1175 check_added_monitors!($node_b, 1);
1176 $node_b.node.handle_commitment_signed(&$node_a.node.get_our_node_id(), &as_commitment_signed);
1177 let (bs_revoke_and_ack, extra_msg_option) = {
1178 let events = $node_b.node.get_and_clear_pending_msg_events();
1179 assert!(events.len() <= 2);
1181 MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
1182 assert_eq!(*node_id, $node_a.node.get_our_node_id());
1185 _ => panic!("Unexpected event"),
1186 }, events.get(1).map(|e| e.clone()))
1188 check_added_monitors!($node_b, 1);
1189 if $fail_backwards {
1190 assert!($node_a.node.get_and_clear_pending_events().is_empty());
1191 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
1193 (extra_msg_option, bs_revoke_and_ack)
1196 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr, true /* skip last step */, false /* return extra message */, true /* return last RAA */) => {
1198 check_added_monitors!($node_a, 0);
1199 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
1200 $node_a.node.handle_commitment_signed(&$node_b.node.get_our_node_id(), &$commitment_signed);
1201 check_added_monitors!($node_a, 1);
1202 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
1203 assert!(extra_msg_option.is_none());
1207 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, true /* return extra message */) => {
1209 let (extra_msg_option, bs_revoke_and_ack) = commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true, true);
1210 $node_a.node.handle_revoke_and_ack(&$node_b.node.get_our_node_id(), &bs_revoke_and_ack);
1211 check_added_monitors!($node_a, 1);
1215 ($node_a: expr, $node_b: expr, (), $fail_backwards: expr, true /* skip last step */, false /* no extra message */) => {
1217 assert!(commitment_signed_dance!($node_a, $node_b, (), $fail_backwards, true, true).is_none());
1220 ($node_a: expr, $node_b: expr, $commitment_signed: expr, $fail_backwards: expr) => {
1222 commitment_signed_dance!($node_a, $node_b, $commitment_signed, $fail_backwards, true);
1223 if $fail_backwards {
1224 expect_pending_htlcs_forwardable_and_htlc_handling_failed!($node_a, vec![$crate::util::events::HTLCDestination::NextHopChannel{ node_id: Some($node_b.node.get_our_node_id()), channel_id: $commitment_signed.channel_id }]);
1225 check_added_monitors!($node_a, 1);
1227 let channel_state = $node_a.node.channel_state.lock().unwrap();
1228 assert_eq!(channel_state.pending_msg_events.len(), 1);
1229 if let MessageSendEvent::UpdateHTLCs { ref node_id, .. } = channel_state.pending_msg_events[0] {
1230 assert_ne!(*node_id, $node_b.node.get_our_node_id());
1231 } else { panic!("Unexpected event"); }
1233 assert!($node_a.node.get_and_clear_pending_msg_events().is_empty());
1239 /// Get a payment preimage and hash.
1241 macro_rules! get_payment_preimage_hash {
1242 ($dest_node: expr) => {
1244 get_payment_preimage_hash!($dest_node, None)
1247 ($dest_node: expr, $min_value_msat: expr) => {
1249 use bitcoin::hashes::Hash as _;
1250 let mut payment_count = $dest_node.network_payment_count.borrow_mut();
1251 let payment_preimage = $crate::ln::PaymentPreimage([*payment_count; 32]);
1252 *payment_count += 1;
1253 let payment_hash = $crate::ln::PaymentHash(
1254 bitcoin::hashes::sha256::Hash::hash(&payment_preimage.0[..]).into_inner());
1255 let payment_secret = $dest_node.node.create_inbound_payment_for_hash(payment_hash, $min_value_msat, 7200).unwrap();
1256 (payment_preimage, payment_hash, payment_secret)
1262 macro_rules! get_route {
1263 ($send_node: expr, $payment_params: expr, $recv_value: expr, $cltv: expr) => {{
1264 use $crate::chain::keysinterface::KeysInterface;
1265 let scorer = $crate::util::test_utils::TestScorer::with_penalty(0);
1266 let keys_manager = $crate::util::test_utils::TestKeysInterface::new(&[0u8; 32], bitcoin::network::constants::Network::Testnet);
1267 let random_seed_bytes = keys_manager.get_secure_random_bytes();
1268 $crate::routing::router::get_route(
1269 &$send_node.node.get_our_node_id(), &$payment_params, &$send_node.network_graph.read_only(),
1270 Some(&$send_node.node.list_usable_channels().iter().collect::<Vec<_>>()),
1271 $recv_value, $cltv, $send_node.logger, &scorer, &random_seed_bytes
1278 macro_rules! get_route_and_payment_hash {
1279 ($send_node: expr, $recv_node: expr, $recv_value: expr) => {{
1280 let payment_params = $crate::routing::router::PaymentParameters::from_node_id($recv_node.node.get_our_node_id())
1281 .with_features($crate::ln::channelmanager::provided_invoice_features());
1282 $crate::get_route_and_payment_hash!($send_node, $recv_node, payment_params, $recv_value, TEST_FINAL_CLTV)
1284 ($send_node: expr, $recv_node: expr, $payment_params: expr, $recv_value: expr, $cltv: expr) => {{
1285 let (payment_preimage, payment_hash, payment_secret) = $crate::get_payment_preimage_hash!($recv_node, Some($recv_value));
1286 let route = $crate::get_route!($send_node, $payment_params, $recv_value, $cltv);
1287 (route.unwrap(), payment_hash, payment_preimage, payment_secret)
1292 macro_rules! expect_pending_htlcs_forwardable_conditions {
1293 ($node: expr, $expected_failures: expr) => {{
1294 let expected_failures = $expected_failures;
1295 let events = $node.node.get_and_clear_pending_events();
1297 $crate::util::events::Event::PendingHTLCsForwardable { .. } => { },
1298 _ => panic!("Unexpected event"),
1301 let count = expected_failures.len() + 1;
1302 assert_eq!(events.len(), count);
1304 if expected_failures.len() > 0 {
1305 expect_htlc_handling_failed_destinations!(events, expected_failures)
1311 macro_rules! expect_htlc_handling_failed_destinations {
1312 ($events: expr, $expected_failures: expr) => {{
1313 for event in $events {
1315 $crate::util::events::Event::PendingHTLCsForwardable { .. } => { },
1316 $crate::util::events::Event::HTLCHandlingFailed { ref failed_next_destination, .. } => {
1317 assert!($expected_failures.contains(&failed_next_destination))
1319 _ => panic!("Unexpected destination"),
1326 /// Clears (and ignores) a PendingHTLCsForwardable event
1327 macro_rules! expect_pending_htlcs_forwardable_ignore {
1329 expect_pending_htlcs_forwardable_conditions!($node, vec![]);
1334 /// Clears (and ignores) PendingHTLCsForwardable and HTLCHandlingFailed events
1335 macro_rules! expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore {
1336 ($node: expr, $expected_failures: expr) => {{
1337 expect_pending_htlcs_forwardable_conditions!($node, $expected_failures);
1342 /// Handles a PendingHTLCsForwardable event
1343 macro_rules! expect_pending_htlcs_forwardable {
1345 expect_pending_htlcs_forwardable_ignore!($node);
1346 $node.node.process_pending_htlc_forwards();
1348 // Ensure process_pending_htlc_forwards is idempotent.
1349 $node.node.process_pending_htlc_forwards();
1354 /// Handles a PendingHTLCsForwardable and HTLCHandlingFailed event
1355 macro_rules! expect_pending_htlcs_forwardable_and_htlc_handling_failed {
1356 ($node: expr, $expected_failures: expr) => {{
1357 expect_pending_htlcs_forwardable_and_htlc_handling_failed_ignore!($node, $expected_failures);
1358 $node.node.process_pending_htlc_forwards();
1360 // Ensure process_pending_htlc_forwards is idempotent.
1361 $node.node.process_pending_htlc_forwards();
1366 macro_rules! expect_pending_htlcs_forwardable_from_events {
1367 ($node: expr, $events: expr, $ignore: expr) => {{
1368 assert_eq!($events.len(), 1);
1370 Event::PendingHTLCsForwardable { .. } => { },
1371 _ => panic!("Unexpected event"),
1374 $node.node.process_pending_htlc_forwards();
1376 // Ensure process_pending_htlc_forwards is idempotent.
1377 $node.node.process_pending_htlc_forwards();
1383 #[cfg(any(test, feature = "_bench_unstable", feature = "_test_utils"))]
1384 macro_rules! expect_payment_received {
1385 ($node: expr, $expected_payment_hash: expr, $expected_payment_secret: expr, $expected_recv_value: expr) => {
1386 expect_payment_received!($node, $expected_payment_hash, $expected_payment_secret, $expected_recv_value, None)
1388 ($node: expr, $expected_payment_hash: expr, $expected_payment_secret: expr, $expected_recv_value: expr, $expected_payment_preimage: expr) => {
1389 let events = $node.node.get_and_clear_pending_events();
1390 assert_eq!(events.len(), 1);
1392 $crate::util::events::Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat } => {
1393 assert_eq!($expected_payment_hash, *payment_hash);
1394 assert_eq!($expected_recv_value, amount_msat);
1396 $crate::util::events::PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
1397 assert_eq!(&$expected_payment_preimage, payment_preimage);
1398 assert_eq!($expected_payment_secret, *payment_secret);
1403 _ => panic!("Unexpected event"),
1409 #[cfg(any(test, feature = "_bench_unstable", feature = "_test_utils"))]
1410 macro_rules! expect_payment_claimed {
1411 ($node: expr, $expected_payment_hash: expr, $expected_recv_value: expr) => {
1412 let events = $node.node.get_and_clear_pending_events();
1413 assert_eq!(events.len(), 1);
1415 $crate::util::events::Event::PaymentClaimed { ref payment_hash, amount_msat, .. } => {
1416 assert_eq!($expected_payment_hash, *payment_hash);
1417 assert_eq!($expected_recv_value, amount_msat);
1419 _ => panic!("Unexpected event"),
1426 macro_rules! expect_payment_sent_without_paths {
1427 ($node: expr, $expected_payment_preimage: expr) => {
1428 expect_payment_sent!($node, $expected_payment_preimage, None::<u64>, false);
1430 ($node: expr, $expected_payment_preimage: expr, $expected_fee_msat_opt: expr) => {
1431 expect_payment_sent!($node, $expected_payment_preimage, $expected_fee_msat_opt, false);
1436 macro_rules! expect_payment_sent {
1437 ($node: expr, $expected_payment_preimage: expr) => {
1438 $crate::expect_payment_sent!($node, $expected_payment_preimage, None::<u64>, true);
1440 ($node: expr, $expected_payment_preimage: expr, $expected_fee_msat_opt: expr) => {
1441 $crate::expect_payment_sent!($node, $expected_payment_preimage, $expected_fee_msat_opt, true);
1443 ($node: expr, $expected_payment_preimage: expr, $expected_fee_msat_opt: expr, $expect_paths: expr) => { {
1444 use bitcoin::hashes::Hash as _;
1445 let events = $node.node.get_and_clear_pending_events();
1446 let expected_payment_hash = $crate::ln::PaymentHash(
1447 bitcoin::hashes::sha256::Hash::hash(&$expected_payment_preimage.0).into_inner());
1449 assert!(events.len() > 1);
1451 assert_eq!(events.len(), 1);
1453 let expected_payment_id = match events[0] {
1454 $crate::util::events::Event::PaymentSent { ref payment_id, ref payment_preimage, ref payment_hash, ref fee_paid_msat } => {
1455 assert_eq!($expected_payment_preimage, *payment_preimage);
1456 assert_eq!(expected_payment_hash, *payment_hash);
1457 assert!(fee_paid_msat.is_some());
1458 if $expected_fee_msat_opt.is_some() {
1459 assert_eq!(*fee_paid_msat, $expected_fee_msat_opt);
1463 _ => panic!("Unexpected event"),
1466 for i in 1..events.len() {
1468 $crate::util::events::Event::PaymentPathSuccessful { payment_id, payment_hash, .. } => {
1469 assert_eq!(payment_id, expected_payment_id);
1470 assert_eq!(payment_hash, Some(expected_payment_hash));
1472 _ => panic!("Unexpected event"),
1481 macro_rules! expect_payment_path_successful {
1483 let events = $node.node.get_and_clear_pending_events();
1484 assert_eq!(events.len(), 1);
1486 $crate::util::events::Event::PaymentPathSuccessful { .. } => {},
1487 _ => panic!("Unexpected event"),
1492 macro_rules! expect_payment_forwarded {
1493 ($node: expr, $prev_node: expr, $next_node: expr, $expected_fee: expr, $upstream_force_closed: expr, $downstream_force_closed: expr) => {
1494 let events = $node.node.get_and_clear_pending_events();
1495 assert_eq!(events.len(), 1);
1497 Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => {
1498 assert_eq!(fee_earned_msat, $expected_fee);
1499 if fee_earned_msat.is_some() {
1500 // Is the event prev_channel_id in one of the channels between the two nodes?
1501 assert!($node.node.list_channels().iter().any(|x| x.counterparty.node_id == $prev_node.node.get_our_node_id() && x.channel_id == prev_channel_id.unwrap()));
1503 // We check for force closures since a force closed channel is removed from the
1504 // node's channel list
1505 if !$downstream_force_closed {
1506 assert!($node.node.list_channels().iter().any(|x| x.counterparty.node_id == $next_node.node.get_our_node_id() && x.channel_id == next_channel_id.unwrap()));
1508 assert_eq!(claim_from_onchain_tx, $upstream_force_closed);
1510 _ => panic!("Unexpected event"),
1515 #[cfg(any(test, feature = "_bench_unstable", feature = "_test_utils"))]
1516 pub fn expect_channel_ready_event<'a, 'b, 'c, 'd>(node: &'a Node<'b, 'c, 'd>, expected_counterparty_node_id: &PublicKey) {
1517 let events = node.node.get_and_clear_pending_events();
1518 assert_eq!(events.len(), 1);
1520 crate::util::events::Event::ChannelReady{ ref counterparty_node_id, .. } => {
1521 assert_eq!(*expected_counterparty_node_id, *counterparty_node_id);
1523 _ => panic!("Unexpected event"),
1528 pub struct PaymentFailedConditions<'a> {
1529 pub(crate) expected_htlc_error_data: Option<(u16, &'a [u8])>,
1530 pub(crate) expected_blamed_scid: Option<u64>,
1531 pub(crate) expected_blamed_chan_closed: Option<bool>,
1532 pub(crate) expected_mpp_parts_remain: bool,
1535 impl<'a> PaymentFailedConditions<'a> {
1536 pub fn new() -> Self {
1538 expected_htlc_error_data: None,
1539 expected_blamed_scid: None,
1540 expected_blamed_chan_closed: None,
1541 expected_mpp_parts_remain: false,
1544 pub fn mpp_parts_remain(mut self) -> Self {
1545 self.expected_mpp_parts_remain = true;
1548 pub fn blamed_scid(mut self, scid: u64) -> Self {
1549 self.expected_blamed_scid = Some(scid);
1552 pub fn blamed_chan_closed(mut self, closed: bool) -> Self {
1553 self.expected_blamed_chan_closed = Some(closed);
1556 pub fn expected_htlc_error_data(mut self, code: u16, data: &'a [u8]) -> Self {
1557 self.expected_htlc_error_data = Some((code, data));
1563 macro_rules! expect_payment_failed_with_update {
1564 ($node: expr, $expected_payment_hash: expr, $payment_failed_permanently: expr, $scid: expr, $chan_closed: expr) => {
1565 $crate::ln::functional_test_utils::expect_payment_failed_conditions(
1566 &$node, $expected_payment_hash, $payment_failed_permanently,
1567 $crate::ln::functional_test_utils::PaymentFailedConditions::new()
1568 .blamed_scid($scid).blamed_chan_closed($chan_closed));
1573 macro_rules! expect_payment_failed {
1574 ($node: expr, $expected_payment_hash: expr, $payment_failed_permanently: expr $(, $expected_error_code: expr, $expected_error_data: expr)*) => {
1575 #[allow(unused_mut)]
1576 let mut conditions = $crate::ln::functional_test_utils::PaymentFailedConditions::new();
1578 conditions = conditions.expected_htlc_error_data($expected_error_code, &$expected_error_data);
1580 $crate::ln::functional_test_utils::expect_payment_failed_conditions(&$node, $expected_payment_hash, $payment_failed_permanently, conditions);
1584 pub fn expect_payment_failed_conditions_event<'a, 'b, 'c, 'd, 'e>(
1585 node: &'a Node<'b, 'c, 'd>, payment_failed_event: Event, expected_payment_hash: PaymentHash,
1586 expected_payment_failed_permanently: bool, conditions: PaymentFailedConditions<'e>
1588 let expected_payment_id = match payment_failed_event {
1589 Event::PaymentPathFailed { payment_hash, payment_failed_permanently, path, retry, payment_id, network_update, short_channel_id,
1593 error_data, .. } => {
1594 assert_eq!(payment_hash, expected_payment_hash, "unexpected payment_hash");
1595 assert_eq!(payment_failed_permanently, expected_payment_failed_permanently, "unexpected payment_failed_permanently value");
1596 assert!(retry.is_some(), "expected retry.is_some()");
1597 assert_eq!(retry.as_ref().unwrap().final_value_msat, path.last().unwrap().fee_msat, "Retry amount should match last hop in path");
1598 assert_eq!(retry.as_ref().unwrap().payment_params.payee_pubkey, path.last().unwrap().pubkey, "Retry payee node_id should match last hop in path");
1599 if let Some(scid) = short_channel_id {
1600 assert!(retry.as_ref().unwrap().payment_params.previously_failed_channels.contains(&scid));
1605 assert!(error_code.is_some(), "expected error_code.is_some() = true");
1606 assert!(error_data.is_some(), "expected error_data.is_some() = true");
1607 if let Some((code, data)) = conditions.expected_htlc_error_data {
1608 assert_eq!(error_code.unwrap(), code, "unexpected error code");
1609 assert_eq!(&error_data.as_ref().unwrap()[..], data, "unexpected error data");
1613 if let Some(chan_closed) = conditions.expected_blamed_chan_closed {
1614 match network_update {
1615 Some(NetworkUpdate::ChannelUpdateMessage { ref msg }) if !chan_closed => {
1616 if let Some(scid) = conditions.expected_blamed_scid {
1617 assert_eq!(msg.contents.short_channel_id, scid);
1619 const CHAN_DISABLED_FLAG: u8 = 2;
1620 assert_eq!(msg.contents.flags & CHAN_DISABLED_FLAG, 0);
1622 Some(NetworkUpdate::ChannelFailure { short_channel_id, is_permanent }) if chan_closed => {
1623 if let Some(scid) = conditions.expected_blamed_scid {
1624 assert_eq!(short_channel_id, scid);
1626 assert!(is_permanent);
1628 Some(_) => panic!("Unexpected update type"),
1629 None => panic!("Expected update"),
1635 _ => panic!("Unexpected event"),
1637 if !conditions.expected_mpp_parts_remain {
1638 node.node.abandon_payment(expected_payment_id);
1639 let events = node.node.get_and_clear_pending_events();
1640 assert_eq!(events.len(), 1);
1642 Event::PaymentFailed { ref payment_hash, ref payment_id } => {
1643 assert_eq!(*payment_hash, expected_payment_hash, "unexpected second payment_hash");
1644 assert_eq!(*payment_id, expected_payment_id);
1646 _ => panic!("Unexpected second event"),
1651 pub fn expect_payment_failed_conditions<'a, 'b, 'c, 'd, 'e>(
1652 node: &'a Node<'b, 'c, 'd>, expected_payment_hash: PaymentHash, expected_payment_failed_permanently: bool,
1653 conditions: PaymentFailedConditions<'e>
1655 let mut events = node.node.get_and_clear_pending_events();
1656 assert_eq!(events.len(), 1);
1657 expect_payment_failed_conditions_event(node, events.pop().unwrap(), expected_payment_hash, expected_payment_failed_permanently, conditions);
1660 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) -> PaymentId {
1661 let payment_id = PaymentId(origin_node.keys_manager.backing.get_secure_random_bytes());
1662 origin_node.node.send_payment(&route, our_payment_hash, &Some(our_payment_secret), payment_id).unwrap();
1663 check_added_monitors!(origin_node, expected_paths.len());
1664 pass_along_route(origin_node, expected_paths, recv_value, our_payment_hash, our_payment_secret);
1668 pub fn do_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, clear_recipient_events: bool, expected_preimage: Option<PaymentPreimage>) {
1669 let mut payment_event = SendEvent::from_event(ev);
1670 let mut prev_node = origin_node;
1672 for (idx, &node) in expected_path.iter().enumerate() {
1673 assert_eq!(node.node.get_our_node_id(), payment_event.node_id);
1675 node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]);
1676 check_added_monitors!(node, 0);
1677 commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false);
1679 expect_pending_htlcs_forwardable!(node);
1681 if idx == expected_path.len() - 1 && clear_recipient_events {
1682 let events_2 = node.node.get_and_clear_pending_events();
1683 if payment_received_expected {
1684 assert_eq!(events_2.len(), 1);
1686 Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat } => {
1687 assert_eq!(our_payment_hash, *payment_hash);
1689 PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
1690 assert_eq!(expected_preimage, *payment_preimage);
1691 assert_eq!(our_payment_secret.unwrap(), *payment_secret);
1693 PaymentPurpose::SpontaneousPayment(payment_preimage) => {
1694 assert_eq!(expected_preimage.unwrap(), *payment_preimage);
1695 assert!(our_payment_secret.is_none());
1698 assert_eq!(amount_msat, recv_value);
1700 _ => panic!("Unexpected event"),
1703 assert!(events_2.is_empty());
1705 } else if idx != expected_path.len() - 1 {
1706 let mut events_2 = node.node.get_and_clear_pending_msg_events();
1707 assert_eq!(events_2.len(), 1);
1708 check_added_monitors!(node, 1);
1709 payment_event = SendEvent::from_event(events_2.remove(0));
1710 assert_eq!(payment_event.msgs.len(), 1);
1717 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, expected_preimage: Option<PaymentPreimage>) {
1718 do_pass_along_path(origin_node, expected_path, recv_value, our_payment_hash, our_payment_secret, ev, payment_received_expected, true, expected_preimage);
1721 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) {
1722 let mut events = origin_node.node.get_and_clear_pending_msg_events();
1723 assert_eq!(events.len(), expected_route.len());
1724 for (path_idx, (ev, expected_path)) in events.drain(..).zip(expected_route.iter()).enumerate() {
1725 // Once we've gotten through all the HTLCs, the last one should result in a
1726 // PaymentReceived (but each previous one should not!), .
1727 let expect_payment = path_idx == expected_route.len() - 1;
1728 pass_along_path(origin_node, expected_path, recv_value, our_payment_hash.clone(), Some(our_payment_secret), ev, expect_payment, None);
1732 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, PaymentId) {
1733 let (our_payment_preimage, our_payment_hash, our_payment_secret) = get_payment_preimage_hash!(expected_route.last().unwrap());
1734 let payment_id = send_along_route_with_secret(origin_node, route, &[expected_route], recv_value, our_payment_hash, our_payment_secret);
1735 (our_payment_preimage, our_payment_hash, our_payment_secret, payment_id)
1738 pub fn do_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) -> u64 {
1739 for path in expected_paths.iter() {
1740 assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
1742 expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage);
1744 let claim_event = expected_paths[0].last().unwrap().node.get_and_clear_pending_events();
1745 assert_eq!(claim_event.len(), 1);
1746 match claim_event[0] {
1747 Event::PaymentClaimed { purpose: PaymentPurpose::SpontaneousPayment(preimage), .. }|
1748 Event::PaymentClaimed { purpose: PaymentPurpose::InvoicePayment { payment_preimage: Some(preimage), ..}, .. } =>
1749 assert_eq!(preimage, our_payment_preimage),
1750 Event::PaymentClaimed { purpose: PaymentPurpose::InvoicePayment { .. }, payment_hash, .. } =>
1751 assert_eq!(&payment_hash.0, &Sha256::hash(&our_payment_preimage.0)[..]),
1755 check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
1757 let mut expected_total_fee_msat = 0;
1759 macro_rules! msgs_from_ev {
1762 &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 } } => {
1763 assert!(update_add_htlcs.is_empty());
1764 assert_eq!(update_fulfill_htlcs.len(), 1);
1765 assert!(update_fail_htlcs.is_empty());
1766 assert!(update_fail_malformed_htlcs.is_empty());
1767 assert!(update_fee.is_none());
1768 ((update_fulfill_htlcs[0].clone(), commitment_signed.clone()), node_id.clone())
1770 _ => panic!("Unexpected event"),
1774 let mut per_path_msgs: Vec<((msgs::UpdateFulfillHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
1775 let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
1776 assert_eq!(events.len(), expected_paths.len());
1777 for ev in events.iter() {
1778 per_path_msgs.push(msgs_from_ev!(ev));
1781 for (expected_route, (path_msgs, next_hop)) in expected_paths.iter().zip(per_path_msgs.drain(..)) {
1782 let mut next_msgs = Some(path_msgs);
1783 let mut expected_next_node = next_hop;
1785 macro_rules! last_update_fulfill_dance {
1786 ($node: expr, $prev_node: expr) => {
1788 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
1789 check_added_monitors!($node, 0);
1790 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
1791 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
1795 macro_rules! mid_update_fulfill_dance {
1796 ($node: expr, $prev_node: expr, $next_node: expr, $new_msgs: expr) => {
1798 $node.node.handle_update_fulfill_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
1800 let channel_state = $node.node.channel_state.lock().unwrap();
1801 let channel = channel_state
1802 .by_id.get(&next_msgs.as_ref().unwrap().0.channel_id).unwrap();
1803 if let Some(prev_config) = channel.prev_config() {
1804 prev_config.forwarding_fee_base_msat
1806 channel.config().forwarding_fee_base_msat
1809 expect_payment_forwarded!($node, $next_node, $prev_node, Some(fee as u64), false, false);
1810 expected_total_fee_msat += fee as u64;
1811 check_added_monitors!($node, 1);
1812 let new_next_msgs = if $new_msgs {
1813 let events = $node.node.get_and_clear_pending_msg_events();
1814 assert_eq!(events.len(), 1);
1815 let (res, nexthop) = msgs_from_ev!(&events[0]);
1816 expected_next_node = nexthop;
1819 assert!($node.node.get_and_clear_pending_msg_events().is_empty());
1822 commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, false);
1823 next_msgs = new_next_msgs;
1828 let mut prev_node = expected_route.last().unwrap();
1829 for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
1830 assert_eq!(expected_next_node, node.node.get_our_node_id());
1831 let update_next_msgs = !skip_last || idx != expected_route.len() - 1;
1832 if next_msgs.is_some() {
1833 // Since we are traversing in reverse, next_node is actually the previous node
1834 let next_node: &Node;
1835 if idx == expected_route.len() - 1 {
1836 next_node = origin_node;
1838 next_node = expected_route[expected_route.len() - 1 - idx - 1];
1840 mid_update_fulfill_dance!(node, prev_node, next_node, update_next_msgs);
1842 assert!(!update_next_msgs);
1843 assert!(node.node.get_and_clear_pending_msg_events().is_empty());
1845 if !skip_last && idx == expected_route.len() - 1 {
1846 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
1853 last_update_fulfill_dance!(origin_node, expected_route.first().unwrap());
1857 // Ensure that claim_funds is idempotent.
1858 expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage);
1859 assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events().is_empty());
1860 check_added_monitors!(expected_paths[0].last().unwrap(), 0);
1862 expected_total_fee_msat
1864 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) {
1865 let expected_total_fee_msat = do_claim_payment_along_route(origin_node, expected_paths, skip_last, our_payment_preimage);
1867 expect_payment_sent!(origin_node, our_payment_preimage, Some(expected_total_fee_msat));
1871 pub fn claim_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_preimage: PaymentPreimage) {
1872 claim_payment_along_route(origin_node, &[expected_route], false, our_payment_preimage);
1875 pub const TEST_FINAL_CLTV: u32 = 70;
1877 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) {
1878 let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
1879 .with_features(channelmanager::provided_invoice_features());
1880 let route = get_route!(origin_node, payment_params, recv_value, TEST_FINAL_CLTV).unwrap();
1881 assert_eq!(route.paths.len(), 1);
1882 assert_eq!(route.paths[0].len(), expected_route.len());
1883 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
1884 assert_eq!(hop.pubkey, node.node.get_our_node_id());
1887 let res = send_along_route(origin_node, route, expected_route, recv_value);
1888 (res.0, res.1, res.2)
1891 pub fn route_over_limit<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
1892 let payment_params = PaymentParameters::from_node_id(expected_route.last().unwrap().node.get_our_node_id())
1893 .with_features(channelmanager::provided_invoice_features());
1894 let network_graph = origin_node.network_graph.read_only();
1895 let scorer = test_utils::TestScorer::with_penalty(0);
1896 let seed = [0u8; 32];
1897 let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
1898 let random_seed_bytes = keys_manager.get_secure_random_bytes();
1899 let route = get_route(
1900 &origin_node.node.get_our_node_id(), &payment_params, &network_graph,
1901 None, recv_value, TEST_FINAL_CLTV, origin_node.logger, &scorer, &random_seed_bytes).unwrap();
1902 assert_eq!(route.paths.len(), 1);
1903 assert_eq!(route.paths[0].len(), expected_route.len());
1904 for (node, hop) in expected_route.iter().zip(route.paths[0].iter()) {
1905 assert_eq!(hop.pubkey, node.node.get_our_node_id());
1908 let (_, our_payment_hash, our_payment_preimage) = get_payment_preimage_hash!(expected_route.last().unwrap());
1909 unwrap_send_err!(origin_node.node.send_payment(&route, our_payment_hash, &Some(our_payment_preimage), PaymentId(our_payment_hash.0)), true, APIError::ChannelUnavailable { ref err },
1910 assert!(err.contains("Cannot send value that would put us over the max HTLC value in flight our peer will accept")));
1913 pub fn send_payment<'a, 'b, 'c>(origin: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], recv_value: u64) {
1914 let our_payment_preimage = route_payment(&origin, expected_route, recv_value).0;
1915 claim_payment(&origin, expected_route, our_payment_preimage);
1918 pub fn fail_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) {
1919 for path in expected_paths.iter() {
1920 assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
1922 expected_paths[0].last().unwrap().node.fail_htlc_backwards(&our_payment_hash);
1923 let expected_destinations: Vec<HTLCDestination> = repeat(HTLCDestination::FailedPayment { payment_hash: our_payment_hash }).take(expected_paths.len()).collect();
1924 expect_pending_htlcs_forwardable_and_htlc_handling_failed!(expected_paths[0].last().unwrap(), expected_destinations);
1926 pass_failed_payment_back(origin_node, expected_paths, skip_last, our_payment_hash);
1929 pub fn pass_failed_payment_back<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths_slice: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) {
1930 let expected_payment_id = pass_failed_payment_back_no_abandon(origin_node, expected_paths_slice, skip_last, our_payment_hash);
1932 origin_node.node.abandon_payment(expected_payment_id.unwrap());
1933 let events = origin_node.node.get_and_clear_pending_events();
1934 assert_eq!(events.len(), 1);
1936 Event::PaymentFailed { ref payment_hash, ref payment_id } => {
1937 assert_eq!(*payment_hash, our_payment_hash, "unexpected second payment_hash");
1938 assert_eq!(*payment_id, expected_payment_id.unwrap());
1940 _ => panic!("Unexpected second event"),
1945 pub fn pass_failed_payment_back_no_abandon<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths_slice: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) -> Option<PaymentId> {
1946 let mut expected_paths: Vec<_> = expected_paths_slice.iter().collect();
1947 check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len());
1949 let mut per_path_msgs: Vec<((msgs::UpdateFailHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len());
1950 let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events();
1951 assert_eq!(events.len(), expected_paths.len());
1952 for ev in events.iter() {
1953 let (update_fail, commitment_signed, node_id) = match ev {
1954 &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 } } => {
1955 assert!(update_add_htlcs.is_empty());
1956 assert!(update_fulfill_htlcs.is_empty());
1957 assert_eq!(update_fail_htlcs.len(), 1);
1958 assert!(update_fail_malformed_htlcs.is_empty());
1959 assert!(update_fee.is_none());
1960 (update_fail_htlcs[0].clone(), commitment_signed.clone(), node_id.clone())
1962 _ => panic!("Unexpected event"),
1964 per_path_msgs.push(((update_fail, commitment_signed), node_id));
1966 per_path_msgs.sort_unstable_by(|(_, node_id_a), (_, node_id_b)| node_id_a.cmp(node_id_b));
1967 expected_paths.sort_unstable_by(|path_a, path_b| path_a[path_a.len() - 2].node.get_our_node_id().cmp(&path_b[path_b.len() - 2].node.get_our_node_id()));
1969 let mut expected_payment_id = None;
1971 for (i, (expected_route, (path_msgs, next_hop))) in expected_paths.iter().zip(per_path_msgs.drain(..)).enumerate() {
1972 let mut next_msgs = Some(path_msgs);
1973 let mut expected_next_node = next_hop;
1974 let mut prev_node = expected_route.last().unwrap();
1976 for (idx, node) in expected_route.iter().rev().enumerate().skip(1) {
1977 assert_eq!(expected_next_node, node.node.get_our_node_id());
1978 let update_next_node = !skip_last || idx != expected_route.len() - 1;
1979 if next_msgs.is_some() {
1980 node.node.handle_update_fail_htlc(&prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
1981 commitment_signed_dance!(node, prev_node, next_msgs.as_ref().unwrap().1, update_next_node);
1982 if !update_next_node {
1983 expect_pending_htlcs_forwardable_and_htlc_handling_failed!(node, vec![HTLCDestination::NextHopChannel { node_id: Some(prev_node.node.get_our_node_id()), channel_id: next_msgs.as_ref().unwrap().0.channel_id }]);
1986 let events = node.node.get_and_clear_pending_msg_events();
1987 if update_next_node {
1988 assert_eq!(events.len(), 1);
1990 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 } } => {
1991 assert!(update_add_htlcs.is_empty());
1992 assert!(update_fulfill_htlcs.is_empty());
1993 assert_eq!(update_fail_htlcs.len(), 1);
1994 assert!(update_fail_malformed_htlcs.is_empty());
1995 assert!(update_fee.is_none());
1996 expected_next_node = node_id.clone();
1997 next_msgs = Some((update_fail_htlcs[0].clone(), commitment_signed.clone()));
1999 _ => panic!("Unexpected event"),
2002 assert!(events.is_empty());
2004 if !skip_last && idx == expected_route.len() - 1 {
2005 assert_eq!(expected_next_node, origin_node.node.get_our_node_id());
2012 let prev_node = expected_route.first().unwrap();
2013 origin_node.node.handle_update_fail_htlc(&prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0);
2014 check_added_monitors!(origin_node, 0);
2015 assert!(origin_node.node.get_and_clear_pending_msg_events().is_empty());
2016 commitment_signed_dance!(origin_node, prev_node, next_msgs.as_ref().unwrap().1, false);
2017 let events = origin_node.node.get_and_clear_pending_events();
2018 assert_eq!(events.len(), 1);
2019 expected_payment_id = Some(match events[0] {
2020 Event::PaymentPathFailed { payment_hash, payment_failed_permanently, all_paths_failed, ref path, ref payment_id, .. } => {
2021 assert_eq!(payment_hash, our_payment_hash);
2022 assert!(payment_failed_permanently);
2023 assert_eq!(all_paths_failed, i == expected_paths.len() - 1);
2024 for (idx, hop) in expected_route.iter().enumerate() {
2025 assert_eq!(hop.node.get_our_node_id(), path[idx].pubkey);
2029 _ => panic!("Unexpected event"),
2034 // Ensure that fail_htlc_backwards is idempotent.
2035 expected_paths[0].last().unwrap().node.fail_htlc_backwards(&our_payment_hash);
2036 assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_events().is_empty());
2037 assert!(expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events().is_empty());
2038 check_added_monitors!(expected_paths[0].last().unwrap(), 0);
2043 pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash) {
2044 fail_payment_along_route(origin_node, &[&expected_path[..]], false, our_payment_hash);
2047 pub fn create_chanmon_cfgs(node_count: usize) -> Vec<TestChanMonCfg> {
2048 let mut chan_mon_cfgs = Vec::new();
2049 for i in 0..node_count {
2050 let tx_broadcaster = test_utils::TestBroadcaster {
2051 txn_broadcasted: Mutex::new(Vec::new()),
2052 blocks: Arc::new(Mutex::new(vec![(genesis_block(Network::Testnet), 0)])),
2054 let fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: Mutex::new(253) };
2055 let chain_source = test_utils::TestChainSource::new(Network::Testnet);
2056 let logger = test_utils::TestLogger::with_id(format!("node {}", i));
2057 let persister = test_utils::TestPersister::new();
2058 let seed = [i as u8; 32];
2059 let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
2061 chan_mon_cfgs.push(TestChanMonCfg{ tx_broadcaster, fee_estimator, chain_source, logger, persister, keys_manager });
2067 pub fn create_node_cfgs<'a>(node_count: usize, chanmon_cfgs: &'a Vec<TestChanMonCfg>) -> Vec<NodeCfg<'a>> {
2068 let mut nodes = Vec::new();
2070 for i in 0..node_count {
2071 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);
2072 let seed = [i as u8; 32];
2073 nodes.push(NodeCfg {
2074 chain_source: &chanmon_cfgs[i].chain_source,
2075 logger: &chanmon_cfgs[i].logger,
2076 tx_broadcaster: &chanmon_cfgs[i].tx_broadcaster,
2077 fee_estimator: &chanmon_cfgs[i].fee_estimator,
2079 keys_manager: &chanmon_cfgs[i].keys_manager,
2081 features: channelmanager::provided_init_features(),
2082 network_graph: NetworkGraph::new(chanmon_cfgs[i].chain_source.genesis_hash, &chanmon_cfgs[i].logger),
2089 pub fn test_default_channel_config() -> UserConfig {
2090 let mut default_config = UserConfig::default();
2091 // Set cltv_expiry_delta slightly lower to keep the final CLTV values inside one byte in our
2092 // tests so that our script-length checks don't fail (see ACCEPTED_HTLC_SCRIPT_WEIGHT).
2093 default_config.channel_config.cltv_expiry_delta = MIN_CLTV_EXPIRY_DELTA;
2094 default_config.channel_handshake_config.announced_channel = true;
2095 default_config.channel_handshake_limits.force_announced_channel_preference = false;
2096 // When most of our tests were written, the default HTLC minimum was fixed at 1000.
2097 // It now defaults to 1, so we simply set it to the expected value here.
2098 default_config.channel_handshake_config.our_htlc_minimum_msat = 1000;
2099 // When most of our tests were written, we didn't have the notion of a `max_dust_htlc_exposure_msat`,
2100 // It now defaults to 5_000_000 msat; to avoid interfering with tests we bump it to 50_000_000 msat.
2101 default_config.channel_config.max_dust_htlc_exposure_msat = 50_000_000;
2105 pub fn create_node_chanmgrs<'a, 'b>(node_count: usize, cfgs: &'a Vec<NodeCfg<'b>>, node_config: &[Option<UserConfig>]) -> Vec<ChannelManager<&'a TestChainMonitor<'b>, &'b test_utils::TestBroadcaster, &'a test_utils::TestKeysInterface, &'b test_utils::TestFeeEstimator, &'b test_utils::TestLogger>> {
2106 let mut chanmgrs = Vec::new();
2107 for i in 0..node_count {
2108 let network = Network::Testnet;
2109 let params = ChainParameters {
2111 best_block: BestBlock::from_genesis(network),
2113 let node = ChannelManager::new(cfgs[i].fee_estimator, &cfgs[i].chain_monitor, cfgs[i].tx_broadcaster, cfgs[i].logger, cfgs[i].keys_manager,
2114 if node_config[i].is_some() { node_config[i].clone().unwrap() } else { test_default_channel_config() }, params);
2115 chanmgrs.push(node);
2121 pub fn create_network<'a, 'b: 'a, 'c: 'b>(node_count: usize, cfgs: &'b Vec<NodeCfg<'c>>, chan_mgrs: &'a Vec<ChannelManager<&'b TestChainMonitor<'c>, &'c test_utils::TestBroadcaster, &'b test_utils::TestKeysInterface, &'c test_utils::TestFeeEstimator, &'c test_utils::TestLogger>>) -> Vec<Node<'a, 'b, 'c>> {
2122 let mut nodes = Vec::new();
2123 let chan_count = Rc::new(RefCell::new(0));
2124 let payment_count = Rc::new(RefCell::new(0));
2125 let connect_style = Rc::new(RefCell::new(ConnectStyle::random_style()));
2127 for i in 0..node_count {
2128 let gossip_sync = P2PGossipSync::new(&cfgs[i].network_graph, None, cfgs[i].logger);
2130 chain_source: cfgs[i].chain_source, tx_broadcaster: cfgs[i].tx_broadcaster,
2131 chain_monitor: &cfgs[i].chain_monitor, keys_manager: &cfgs[i].keys_manager,
2132 node: &chan_mgrs[i], network_graph: &cfgs[i].network_graph, gossip_sync,
2133 node_seed: cfgs[i].node_seed, network_chan_count: chan_count.clone(),
2134 network_payment_count: payment_count.clone(), logger: cfgs[i].logger,
2135 blocks: Arc::clone(&cfgs[i].tx_broadcaster.blocks),
2136 connect_style: Rc::clone(&connect_style),
2140 for i in 0..node_count {
2141 for j in (i+1)..node_count {
2142 nodes[i].node.peer_connected(&nodes[j].node.get_our_node_id(), &msgs::Init { features: cfgs[j].features.clone(), remote_network_address: None }).unwrap();
2143 nodes[j].node.peer_connected(&nodes[i].node.get_our_node_id(), &msgs::Init { features: cfgs[i].features.clone(), remote_network_address: None }).unwrap();
2150 // Note that the following only works for CLTV values up to 128
2151 pub const ACCEPTED_HTLC_SCRIPT_WEIGHT: usize = 137; //Here we have a diff due to HTLC CLTV expiry being < 2^15 in test
2153 #[derive(PartialEq)]
2154 pub enum HTLCType { NONE, TIMEOUT, SUCCESS }
2155 /// Tests that the given node has broadcast transactions for the given Channel
2157 /// First checks that the latest holder commitment tx has been broadcast, unless an explicit
2158 /// commitment_tx is provided, which may be used to test that a remote commitment tx was
2159 /// broadcast and the revoked outputs were claimed.
2161 /// Next tests that there is (or is not) a transaction that spends the commitment transaction
2162 /// that appears to be the type of HTLC transaction specified in has_htlc_tx.
2164 /// All broadcast transactions must be accounted for in one of the above three types of we'll
2166 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> {
2167 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
2168 assert!(node_txn.len() >= if commitment_tx.is_some() { 0 } else { 1 } + if has_htlc_tx == HTLCType::NONE { 0 } else { 1 });
2170 let mut res = Vec::with_capacity(2);
2171 node_txn.retain(|tx| {
2172 if tx.input.len() == 1 && tx.input[0].previous_output.txid == chan.3.txid() {
2173 check_spends!(tx, chan.3);
2174 if commitment_tx.is_none() {
2175 res.push(tx.clone());
2180 if let Some(explicit_tx) = commitment_tx {
2181 res.push(explicit_tx.clone());
2184 assert_eq!(res.len(), 1);
2186 if has_htlc_tx != HTLCType::NONE {
2187 node_txn.retain(|tx| {
2188 if tx.input.len() == 1 && tx.input[0].previous_output.txid == res[0].txid() {
2189 check_spends!(tx, res[0]);
2190 if has_htlc_tx == HTLCType::TIMEOUT {
2191 assert!(tx.lock_time.0 != 0);
2193 assert!(tx.lock_time.0 == 0);
2195 res.push(tx.clone());
2199 assert!(res.len() == 2 || res.len() == 3);
2201 assert_eq!(res[1], res[2]);
2205 assert!(node_txn.is_empty());
2209 /// Tests that the given node has broadcast a claim transaction against the provided revoked
2210 /// HTLC transaction.
2211 pub fn test_revoked_htlc_claim_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, revoked_tx: Transaction, commitment_revoked_tx: Transaction) {
2212 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
2213 // We may issue multiple claiming transaction on revoked outputs due to block rescan
2214 // for revoked htlc outputs
2215 if node_txn.len() != 1 && node_txn.len() != 2 && node_txn.len() != 3 { assert!(false); }
2216 node_txn.retain(|tx| {
2217 if tx.input.len() == 1 && tx.input[0].previous_output.txid == revoked_tx.txid() {
2218 check_spends!(tx, revoked_tx);
2222 node_txn.retain(|tx| {
2223 check_spends!(tx, commitment_revoked_tx);
2226 assert!(node_txn.is_empty());
2229 pub fn check_preimage_claim<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, prev_txn: &Vec<Transaction>) -> Vec<Transaction> {
2230 let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
2232 assert!(node_txn.len() >= 1);
2233 assert_eq!(node_txn[0].input.len(), 1);
2234 let mut found_prev = false;
2236 for tx in prev_txn {
2237 if node_txn[0].input[0].previous_output.txid == tx.txid() {
2238 check_spends!(node_txn[0], tx);
2239 let mut iter = node_txn[0].input[0].witness.iter();
2240 iter.next().expect("expected 3 witness items");
2241 iter.next().expect("expected 3 witness items");
2242 assert!(iter.next().expect("expected 3 witness items").len() > 106); // must spend an htlc output
2243 assert_eq!(tx.input.len(), 1); // must spend a commitment tx
2249 assert!(found_prev);
2251 let mut res = Vec::new();
2252 mem::swap(&mut *node_txn, &mut res);
2256 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) {
2257 let events_1 = nodes[a].node.get_and_clear_pending_msg_events();
2258 assert_eq!(events_1.len(), 2);
2259 let as_update = match events_1[0] {
2260 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
2263 _ => panic!("Unexpected event"),
2266 MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
2267 assert_eq!(node_id, nodes[b].node.get_our_node_id());
2268 assert_eq!(msg.data, expected_error);
2269 if needs_err_handle {
2270 nodes[b].node.handle_error(&nodes[a].node.get_our_node_id(), msg);
2273 _ => panic!("Unexpected event"),
2276 let events_2 = nodes[b].node.get_and_clear_pending_msg_events();
2277 assert_eq!(events_2.len(), if needs_err_handle { 1 } else { 2 });
2278 let bs_update = match events_2[0] {
2279 MessageSendEvent::BroadcastChannelUpdate { ref msg } => {
2282 _ => panic!("Unexpected event"),
2284 if !needs_err_handle {
2286 MessageSendEvent::HandleError { node_id, action: msgs::ErrorAction::SendErrorMessage { ref msg } } => {
2287 assert_eq!(node_id, nodes[a].node.get_our_node_id());
2288 assert_eq!(msg.data, expected_error);
2290 _ => panic!("Unexpected event"),
2295 node.gossip_sync.handle_channel_update(&as_update).unwrap();
2296 node.gossip_sync.handle_channel_update(&bs_update).unwrap();
2300 pub fn get_announce_close_broadcast_events<'a, 'b, 'c>(nodes: &Vec<Node<'a, 'b, 'c>>, a: usize, b: usize) {
2301 handle_announce_close_broadcast_events(nodes, a, b, false, "Channel closed because commitment or closing transaction was confirmed on chain.");
2305 macro_rules! get_channel_value_stat {
2306 ($node: expr, $channel_id: expr) => {{
2307 let chan_lock = $node.node.channel_state.lock().unwrap();
2308 let chan = chan_lock.by_id.get(&$channel_id).unwrap();
2309 chan.get_value_stat()
2313 macro_rules! get_chan_reestablish_msgs {
2314 ($src_node: expr, $dst_node: expr) => {
2316 let mut announcements = $crate::prelude::HashSet::new();
2317 let mut res = Vec::with_capacity(1);
2318 for msg in $src_node.node.get_and_clear_pending_msg_events() {
2319 if let MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } = msg {
2320 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2321 res.push(msg.clone());
2322 } else if let MessageSendEvent::SendChannelAnnouncement { ref node_id, ref msg, .. } = msg {
2323 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2324 announcements.insert(msg.contents.short_channel_id);
2326 panic!("Unexpected event")
2329 for chan in $src_node.node.list_channels() {
2330 if chan.is_public && chan.counterparty.node_id != $dst_node.node.get_our_node_id() {
2331 if let Some(scid) = chan.short_channel_id {
2332 assert!(announcements.remove(&scid));
2336 assert!(announcements.is_empty());
2342 macro_rules! handle_chan_reestablish_msgs {
2343 ($src_node: expr, $dst_node: expr) => {
2345 let msg_events = $src_node.node.get_and_clear_pending_msg_events();
2347 let channel_ready = if let Some(&MessageSendEvent::SendChannelReady { ref node_id, ref msg }) = msg_events.get(0) {
2349 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2355 if let Some(&MessageSendEvent::SendAnnouncementSignatures { ref node_id, msg: _ }) = msg_events.get(idx) {
2357 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2360 let mut revoke_and_ack = None;
2361 let mut commitment_update = None;
2362 let order = if let Some(ev) = msg_events.get(idx) {
2364 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
2365 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2366 revoke_and_ack = Some(msg.clone());
2368 RAACommitmentOrder::RevokeAndACKFirst
2370 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
2371 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2372 commitment_update = Some(updates.clone());
2374 RAACommitmentOrder::CommitmentFirst
2376 _ => RAACommitmentOrder::CommitmentFirst,
2379 RAACommitmentOrder::CommitmentFirst
2382 if let Some(ev) = msg_events.get(idx) {
2384 &MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
2385 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2386 assert!(revoke_and_ack.is_none());
2387 revoke_and_ack = Some(msg.clone());
2390 &MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
2391 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2392 assert!(commitment_update.is_none());
2393 commitment_update = Some(updates.clone());
2400 if let Some(&MessageSendEvent::SendChannelUpdate { ref node_id, ref msg }) = msg_events.get(idx) {
2401 assert_eq!(*node_id, $dst_node.node.get_our_node_id());
2403 assert_eq!(msg.contents.flags & 2, 0); // "disabled" flag must not be set as we just reconnected.
2406 assert_eq!(msg_events.len(), idx);
2408 (channel_ready, revoke_and_ack, commitment_update, order)
2413 /// pending_htlc_adds includes both the holding cell and in-flight update_add_htlcs, whereas
2414 /// for claims/fails they are separated out.
2415 pub fn reconnect_nodes<'a, 'b, 'c>(node_a: &Node<'a, 'b, 'c>, node_b: &Node<'a, 'b, 'c>, send_channel_ready: (bool, bool), pending_htlc_adds: (i64, i64), pending_htlc_claims: (usize, usize), pending_htlc_fails: (usize, usize), pending_cell_htlc_claims: (usize, usize), pending_cell_htlc_fails: (usize, usize), pending_raa: (bool, bool)) {
2416 node_a.node.peer_connected(&node_b.node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
2417 let reestablish_1 = get_chan_reestablish_msgs!(node_a, node_b);
2418 node_b.node.peer_connected(&node_a.node.get_our_node_id(), &msgs::Init { features: channelmanager::provided_init_features(), remote_network_address: None }).unwrap();
2419 let reestablish_2 = get_chan_reestablish_msgs!(node_b, node_a);
2421 if send_channel_ready.0 {
2422 // If a expects a channel_ready, it better not think it has received a revoke_and_ack
2424 for reestablish in reestablish_1.iter() {
2425 assert_eq!(reestablish.next_remote_commitment_number, 0);
2428 if send_channel_ready.1 {
2429 // If b expects a channel_ready, it better not think it has received a revoke_and_ack
2431 for reestablish in reestablish_2.iter() {
2432 assert_eq!(reestablish.next_remote_commitment_number, 0);
2435 if send_channel_ready.0 || send_channel_ready.1 {
2436 // If we expect any channel_ready's, both sides better have set
2437 // next_holder_commitment_number to 1
2438 for reestablish in reestablish_1.iter() {
2439 assert_eq!(reestablish.next_local_commitment_number, 1);
2441 for reestablish in reestablish_2.iter() {
2442 assert_eq!(reestablish.next_local_commitment_number, 1);
2446 let mut resp_1 = Vec::new();
2447 for msg in reestablish_1 {
2448 node_b.node.handle_channel_reestablish(&node_a.node.get_our_node_id(), &msg);
2449 resp_1.push(handle_chan_reestablish_msgs!(node_b, node_a));
2451 if pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
2452 check_added_monitors!(node_b, 1);
2454 check_added_monitors!(node_b, 0);
2457 let mut resp_2 = Vec::new();
2458 for msg in reestablish_2 {
2459 node_a.node.handle_channel_reestablish(&node_b.node.get_our_node_id(), &msg);
2460 resp_2.push(handle_chan_reestablish_msgs!(node_a, node_b));
2462 if pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
2463 check_added_monitors!(node_a, 1);
2465 check_added_monitors!(node_a, 0);
2468 // We don't yet support both needing updates, as that would require a different commitment dance:
2469 assert!((pending_htlc_adds.0 == 0 && pending_htlc_claims.0 == 0 && pending_htlc_fails.0 == 0 &&
2470 pending_cell_htlc_claims.0 == 0 && pending_cell_htlc_fails.0 == 0) ||
2471 (pending_htlc_adds.1 == 0 && pending_htlc_claims.1 == 0 && pending_htlc_fails.1 == 0 &&
2472 pending_cell_htlc_claims.1 == 0 && pending_cell_htlc_fails.1 == 0));
2474 for chan_msgs in resp_1.drain(..) {
2475 if send_channel_ready.0 {
2476 node_a.node.handle_channel_ready(&node_b.node.get_our_node_id(), &chan_msgs.0.unwrap());
2477 let announcement_event = node_a.node.get_and_clear_pending_msg_events();
2478 if !announcement_event.is_empty() {
2479 assert_eq!(announcement_event.len(), 1);
2480 if let MessageSendEvent::SendChannelUpdate { .. } = announcement_event[0] {
2481 //TODO: Test announcement_sigs re-sending
2482 } else { panic!("Unexpected event! {:?}", announcement_event[0]); }
2485 assert!(chan_msgs.0.is_none());
2488 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
2489 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &chan_msgs.1.unwrap());
2490 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
2491 check_added_monitors!(node_a, 1);
2493 assert!(chan_msgs.1.is_none());
2495 if pending_htlc_adds.0 != 0 || pending_htlc_claims.0 != 0 || pending_htlc_fails.0 != 0 || pending_cell_htlc_claims.0 != 0 || pending_cell_htlc_fails.0 != 0 {
2496 let commitment_update = chan_msgs.2.unwrap();
2497 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
2498 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.0 as usize);
2500 assert!(commitment_update.update_add_htlcs.is_empty());
2502 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.0 + pending_cell_htlc_claims.0);
2503 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_htlc_fails.0 + pending_cell_htlc_fails.0);
2504 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
2505 for update_add in commitment_update.update_add_htlcs {
2506 node_a.node.handle_update_add_htlc(&node_b.node.get_our_node_id(), &update_add);
2508 for update_fulfill in commitment_update.update_fulfill_htlcs {
2509 node_a.node.handle_update_fulfill_htlc(&node_b.node.get_our_node_id(), &update_fulfill);
2511 for update_fail in commitment_update.update_fail_htlcs {
2512 node_a.node.handle_update_fail_htlc(&node_b.node.get_our_node_id(), &update_fail);
2515 if pending_htlc_adds.0 != -1 { // We use -1 to denote a response commitment_signed
2516 commitment_signed_dance!(node_a, node_b, commitment_update.commitment_signed, false);
2518 node_a.node.handle_commitment_signed(&node_b.node.get_our_node_id(), &commitment_update.commitment_signed);
2519 check_added_monitors!(node_a, 1);
2520 let as_revoke_and_ack = get_event_msg!(node_a, MessageSendEvent::SendRevokeAndACK, node_b.node.get_our_node_id());
2521 // No commitment_signed so get_event_msg's assert(len == 1) passes
2522 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &as_revoke_and_ack);
2523 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
2524 check_added_monitors!(node_b, 1);
2527 assert!(chan_msgs.2.is_none());
2531 for chan_msgs in resp_2.drain(..) {
2532 if send_channel_ready.1 {
2533 node_b.node.handle_channel_ready(&node_a.node.get_our_node_id(), &chan_msgs.0.unwrap());
2534 let announcement_event = node_b.node.get_and_clear_pending_msg_events();
2535 if !announcement_event.is_empty() {
2536 assert_eq!(announcement_event.len(), 1);
2537 match announcement_event[0] {
2538 MessageSendEvent::SendChannelUpdate { .. } => {},
2539 MessageSendEvent::SendAnnouncementSignatures { .. } => {},
2540 _ => panic!("Unexpected event {:?}!", announcement_event[0]),
2544 assert!(chan_msgs.0.is_none());
2547 assert!(chan_msgs.3 == RAACommitmentOrder::RevokeAndACKFirst);
2548 node_b.node.handle_revoke_and_ack(&node_a.node.get_our_node_id(), &chan_msgs.1.unwrap());
2549 assert!(node_b.node.get_and_clear_pending_msg_events().is_empty());
2550 check_added_monitors!(node_b, 1);
2552 assert!(chan_msgs.1.is_none());
2554 if pending_htlc_adds.1 != 0 || pending_htlc_claims.1 != 0 || pending_htlc_fails.1 != 0 || pending_cell_htlc_claims.1 != 0 || pending_cell_htlc_fails.1 != 0 {
2555 let commitment_update = chan_msgs.2.unwrap();
2556 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
2557 assert_eq!(commitment_update.update_add_htlcs.len(), pending_htlc_adds.1 as usize);
2559 assert_eq!(commitment_update.update_fulfill_htlcs.len(), pending_htlc_claims.1 + pending_cell_htlc_claims.1);
2560 assert_eq!(commitment_update.update_fail_htlcs.len(), pending_htlc_fails.1 + pending_cell_htlc_fails.1);
2561 assert!(commitment_update.update_fail_malformed_htlcs.is_empty());
2562 for update_add in commitment_update.update_add_htlcs {
2563 node_b.node.handle_update_add_htlc(&node_a.node.get_our_node_id(), &update_add);
2565 for update_fulfill in commitment_update.update_fulfill_htlcs {
2566 node_b.node.handle_update_fulfill_htlc(&node_a.node.get_our_node_id(), &update_fulfill);
2568 for update_fail in commitment_update.update_fail_htlcs {
2569 node_b.node.handle_update_fail_htlc(&node_a.node.get_our_node_id(), &update_fail);
2572 if pending_htlc_adds.1 != -1 { // We use -1 to denote a response commitment_signed
2573 commitment_signed_dance!(node_b, node_a, commitment_update.commitment_signed, false);
2575 node_b.node.handle_commitment_signed(&node_a.node.get_our_node_id(), &commitment_update.commitment_signed);
2576 check_added_monitors!(node_b, 1);
2577 let bs_revoke_and_ack = get_event_msg!(node_b, MessageSendEvent::SendRevokeAndACK, node_a.node.get_our_node_id());
2578 // No commitment_signed so get_event_msg's assert(len == 1) passes
2579 node_a.node.handle_revoke_and_ack(&node_b.node.get_our_node_id(), &bs_revoke_and_ack);
2580 assert!(node_a.node.get_and_clear_pending_msg_events().is_empty());
2581 check_added_monitors!(node_a, 1);
2584 assert!(chan_msgs.2.is_none());