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
11 use chain::WatchedOutput;
12 use chain::chaininterface;
13 use chain::chaininterface::ConfirmationTarget;
14 use chain::chainmonitor;
15 use chain::channelmonitor;
16 use chain::channelmonitor::MonitorEvent;
17 use chain::transaction::OutPoint;
18 use chain::keysinterface;
19 use ln::features::{ChannelFeatures, InitFeatures};
21 use ln::msgs::OptionalField;
22 use ln::script::ShutdownScript;
23 use util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
25 use util::logger::{Logger, Level, Record};
26 use util::ser::{Readable, ReadableArgs, Writer, Writeable};
28 use bitcoin::blockdata::constants::genesis_block;
29 use bitcoin::blockdata::transaction::{Transaction, TxOut};
30 use bitcoin::blockdata::script::{Builder, Script};
31 use bitcoin::blockdata::opcodes;
32 use bitcoin::blockdata::block::BlockHeader;
33 use bitcoin::network::constants::Network;
34 use bitcoin::hash_types::{BlockHash, Txid};
36 use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, Signature};
37 use bitcoin::secp256k1::recovery::RecoverableSignature;
43 use core::time::Duration;
44 use sync::{Mutex, Arc};
45 use core::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
47 use chain::keysinterface::InMemorySigner;
49 pub struct TestVecWriter(pub Vec<u8>);
50 impl Writer for TestVecWriter {
51 fn write_all(&mut self, buf: &[u8]) -> Result<(), io::Error> {
52 self.0.extend_from_slice(buf);
57 pub struct TestFeeEstimator {
58 pub sat_per_kw: Mutex<u32>,
60 impl chaininterface::FeeEstimator for TestFeeEstimator {
61 fn get_est_sat_per_1000_weight(&self, _confirmation_target: ConfirmationTarget) -> u32 {
62 *self.sat_per_kw.lock().unwrap()
66 pub struct OnlyReadsKeysInterface {}
67 impl keysinterface::KeysInterface for OnlyReadsKeysInterface {
68 type Signer = EnforcingSigner;
70 fn get_node_secret(&self) -> SecretKey { unreachable!(); }
71 fn get_destination_script(&self) -> Script { unreachable!(); }
72 fn get_shutdown_scriptpubkey(&self) -> ShutdownScript { unreachable!(); }
73 fn get_channel_signer(&self, _inbound: bool, _channel_value_satoshis: u64) -> EnforcingSigner { unreachable!(); }
74 fn get_secure_random_bytes(&self) -> [u8; 32] { [0; 32] }
76 fn read_chan_signer(&self, mut reader: &[u8]) -> Result<Self::Signer, msgs::DecodeError> {
77 let inner: InMemorySigner = Readable::read(&mut reader)?;
78 let state = Arc::new(Mutex::new(EnforcementState::new()));
80 Ok(EnforcingSigner::new_with_revoked(
86 fn sign_invoice(&self, _invoice_preimage: Vec<u8>) -> Result<RecoverableSignature, ()> { unreachable!(); }
89 pub struct TestChainMonitor<'a> {
90 pub added_monitors: Mutex<Vec<(OutPoint, channelmonitor::ChannelMonitor<EnforcingSigner>)>>,
91 pub latest_monitor_update_id: Mutex<HashMap<[u8; 32], (OutPoint, u64)>>,
92 pub chain_monitor: chainmonitor::ChainMonitor<EnforcingSigner, &'a TestChainSource, &'a chaininterface::BroadcasterInterface, &'a TestFeeEstimator, &'a TestLogger, &'a channelmonitor::Persist<EnforcingSigner>>,
93 pub keys_manager: &'a TestKeysInterface,
94 pub update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
95 /// If this is set to Some(), after the next return, we'll always return this until update_ret
97 pub next_update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
98 /// If this is set to Some(), the next update_channel call (not watch_channel) must be a
99 /// ChannelForceClosed event for the given channel_id with should_broadcast set to the given
101 pub expect_channel_force_closed: Mutex<Option<([u8; 32], bool)>>,
103 impl<'a> TestChainMonitor<'a> {
104 pub fn new(chain_source: Option<&'a TestChainSource>, broadcaster: &'a chaininterface::BroadcasterInterface, logger: &'a TestLogger, fee_estimator: &'a TestFeeEstimator, persister: &'a channelmonitor::Persist<EnforcingSigner>, keys_manager: &'a TestKeysInterface) -> Self {
106 added_monitors: Mutex::new(Vec::new()),
107 latest_monitor_update_id: Mutex::new(HashMap::new()),
108 chain_monitor: chainmonitor::ChainMonitor::new(chain_source, broadcaster, logger, fee_estimator, persister),
110 update_ret: Mutex::new(None),
111 next_update_ret: Mutex::new(None),
112 expect_channel_force_closed: Mutex::new(None),
116 impl<'a> chain::Watch<EnforcingSigner> for TestChainMonitor<'a> {
117 fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
118 // At every point where we get a monitor update, we should be able to send a useful monitor
119 // to a watchtower and disk...
120 let mut w = TestVecWriter(Vec::new());
121 monitor.write(&mut w).unwrap();
122 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(
123 &mut io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
124 assert!(new_monitor == monitor);
125 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, monitor.get_latest_update_id()));
126 self.added_monitors.lock().unwrap().push((funding_txo, monitor));
127 let watch_res = self.chain_monitor.watch_channel(funding_txo, new_monitor);
129 let ret = self.update_ret.lock().unwrap().clone();
130 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
131 *self.update_ret.lock().unwrap() = Some(next_ret);
134 assert!(watch_res.is_ok());
140 fn update_channel(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
141 // Every monitor update should survive roundtrip
142 let mut w = TestVecWriter(Vec::new());
143 update.write(&mut w).unwrap();
144 assert!(channelmonitor::ChannelMonitorUpdate::read(
145 &mut io::Cursor::new(&w.0)).unwrap() == update);
147 if let Some(exp) = self.expect_channel_force_closed.lock().unwrap().take() {
148 assert_eq!(funding_txo.to_channel_id(), exp.0);
149 assert_eq!(update.updates.len(), 1);
150 if let channelmonitor::ChannelMonitorUpdateStep::ChannelForceClosed { should_broadcast } = update.updates[0] {
151 assert_eq!(should_broadcast, exp.1);
155 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, update.update_id));
156 let update_res = self.chain_monitor.update_channel(funding_txo, update);
157 // At every point where we get a monitor update, we should be able to send a useful monitor
158 // to a watchtower and disk...
159 let monitors = self.chain_monitor.monitors.read().unwrap();
160 let monitor = monitors.get(&funding_txo).unwrap();
162 monitor.write(&mut w).unwrap();
163 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(
164 &mut io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
165 assert!(new_monitor == *monitor);
166 self.added_monitors.lock().unwrap().push((funding_txo, new_monitor));
168 let ret = self.update_ret.lock().unwrap().clone();
169 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
170 *self.update_ret.lock().unwrap() = Some(next_ret);
173 assert!(update_res.is_ok());
179 fn release_pending_monitor_events(&self) -> Vec<MonitorEvent> {
180 return self.chain_monitor.release_pending_monitor_events();
184 pub struct TestPersister {
185 pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>
188 pub fn new() -> Self {
190 update_ret: Mutex::new(Ok(()))
194 pub fn set_update_ret(&self, ret: Result<(), channelmonitor::ChannelMonitorUpdateErr>) {
195 *self.update_ret.lock().unwrap() = ret;
198 impl<Signer: keysinterface::Sign> channelmonitor::Persist<Signer> for TestPersister {
199 fn persist_new_channel(&self, _funding_txo: OutPoint, _data: &channelmonitor::ChannelMonitor<Signer>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
200 self.update_ret.lock().unwrap().clone()
203 fn update_persisted_channel(&self, _funding_txo: OutPoint, _update: &channelmonitor::ChannelMonitorUpdate, _data: &channelmonitor::ChannelMonitor<Signer>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
204 self.update_ret.lock().unwrap().clone()
208 pub struct TestBroadcaster {
209 pub txn_broadcasted: Mutex<Vec<Transaction>>,
210 pub blocks: Arc<Mutex<Vec<(BlockHeader, u32)>>>,
212 impl chaininterface::BroadcasterInterface for TestBroadcaster {
213 fn broadcast_transaction(&self, tx: &Transaction) {
214 assert!(tx.lock_time < 1_500_000_000);
215 if tx.lock_time > self.blocks.lock().unwrap().len() as u32 + 1 && tx.lock_time < 500_000_000 {
216 for inp in tx.input.iter() {
217 if inp.sequence != 0xffffffff {
218 panic!("We should never broadcast a transaction before its locktime ({})!", tx.lock_time);
222 self.txn_broadcasted.lock().unwrap().push(tx.clone());
226 pub struct TestChannelMessageHandler {
227 pub pending_events: Mutex<Vec<events::MessageSendEvent>>,
230 impl TestChannelMessageHandler {
231 pub fn new() -> Self {
232 TestChannelMessageHandler {
233 pending_events: Mutex::new(Vec::new()),
238 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
239 fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
240 fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
241 fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
242 fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
243 fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
244 fn handle_shutdown(&self, _their_node_id: &PublicKey, _their_features: &InitFeatures, _msg: &msgs::Shutdown) {}
245 fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) {}
246 fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) {}
247 fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) {}
248 fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) {}
249 fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) {}
250 fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) {}
251 fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) {}
252 fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) {}
253 fn handle_channel_update(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelUpdate) {}
254 fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
255 fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
256 fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
257 fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
258 fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
261 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
262 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
263 let mut pending_events = self.pending_events.lock().unwrap();
264 let mut ret = Vec::new();
265 mem::swap(&mut ret, &mut *pending_events);
270 fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
271 use bitcoin::secp256k1::ffi::Signature as FFISignature;
272 let secp_ctx = Secp256k1::new();
273 let network = Network::Testnet;
274 let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
275 let node_2_privkey = SecretKey::from_slice(&[41; 32]).unwrap();
276 let node_1_btckey = SecretKey::from_slice(&[40; 32]).unwrap();
277 let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
278 let unsigned_ann = msgs::UnsignedChannelAnnouncement {
279 features: ChannelFeatures::known(),
280 chain_hash: genesis_block(network).header.block_hash(),
281 short_channel_id: short_chan_id,
282 node_id_1: PublicKey::from_secret_key(&secp_ctx, &node_1_privkey),
283 node_id_2: PublicKey::from_secret_key(&secp_ctx, &node_2_privkey),
284 bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, &node_1_btckey),
285 bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, &node_2_btckey),
286 excess_data: Vec::new(),
290 msgs::ChannelAnnouncement {
291 node_signature_1: Signature::from(FFISignature::new()),
292 node_signature_2: Signature::from(FFISignature::new()),
293 bitcoin_signature_1: Signature::from(FFISignature::new()),
294 bitcoin_signature_2: Signature::from(FFISignature::new()),
295 contents: unsigned_ann,
300 fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
301 use bitcoin::secp256k1::ffi::Signature as FFISignature;
302 let network = Network::Testnet;
303 msgs::ChannelUpdate {
304 signature: Signature::from(unsafe { FFISignature::new() }),
305 contents: msgs::UnsignedChannelUpdate {
306 chain_hash: genesis_block(network).header.block_hash(),
307 short_channel_id: short_chan_id,
310 cltv_expiry_delta: 0,
311 htlc_minimum_msat: 0,
312 htlc_maximum_msat: OptionalField::Absent,
314 fee_proportional_millionths: 0,
320 pub struct TestRoutingMessageHandler {
321 pub chan_upds_recvd: AtomicUsize,
322 pub chan_anns_recvd: AtomicUsize,
323 pub chan_anns_sent: AtomicUsize,
324 pub request_full_sync: AtomicBool,
327 impl TestRoutingMessageHandler {
328 pub fn new() -> Self {
329 TestRoutingMessageHandler {
330 chan_upds_recvd: AtomicUsize::new(0),
331 chan_anns_recvd: AtomicUsize::new(0),
332 chan_anns_sent: AtomicUsize::new(0),
333 request_full_sync: AtomicBool::new(false),
337 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
338 fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, msgs::LightningError> {
339 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
341 fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, msgs::LightningError> {
342 self.chan_anns_recvd.fetch_add(1, Ordering::AcqRel);
343 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
345 fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, msgs::LightningError> {
346 self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
347 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
349 fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
350 fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
351 let mut chan_anns = Vec::new();
352 const TOTAL_UPDS: u64 = 100;
353 let end: u64 = cmp::min(starting_point + batch_amount as u64, TOTAL_UPDS - self.chan_anns_sent.load(Ordering::Acquire) as u64);
354 for i in starting_point..end {
355 let chan_upd_1 = get_dummy_channel_update(i);
356 let chan_upd_2 = get_dummy_channel_update(i);
357 let chan_ann = get_dummy_channel_announcement(i);
359 chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
362 self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
366 fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
370 fn sync_routing_table(&self, _their_node_id: &PublicKey, _init_msg: &msgs::Init) {}
372 fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyChannelRange) -> Result<(), msgs::LightningError> {
376 fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyShortChannelIdsEnd) -> Result<(), msgs::LightningError> {
380 fn handle_query_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::QueryChannelRange) -> Result<(), msgs::LightningError> {
384 fn handle_query_short_channel_ids(&self, _their_node_id: &PublicKey, _msg: msgs::QueryShortChannelIds) -> Result<(), msgs::LightningError> {
389 impl events::MessageSendEventsProvider for TestRoutingMessageHandler {
390 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
395 pub struct TestLogger {
398 pub lines: Mutex<HashMap<(String, String), usize>>,
402 pub fn new() -> TestLogger {
403 Self::with_id("".to_owned())
405 pub fn with_id(id: String) -> TestLogger {
409 lines: Mutex::new(HashMap::new())
412 pub fn enable(&mut self, level: Level) {
415 pub fn assert_log(&self, module: String, line: String, count: usize) {
416 let log_entries = self.lines.lock().unwrap();
417 assert_eq!(log_entries.get(&(module, line)), Some(&count));
420 /// Search for the number of occurrence of the logged lines which
421 /// 1. belongs to the specified module and
422 /// 2. contains `line` in it.
423 /// And asserts if the number of occurrences is the same with the given `count`
424 pub fn assert_log_contains(&self, module: String, line: String, count: usize) {
425 let log_entries = self.lines.lock().unwrap();
426 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
427 m == &module && l.contains(line.as_str())
428 }).map(|(_, c) | { c }).sum();
432 /// Search for the number of occurrences of logged lines which
433 /// 1. belong to the specified module and
434 /// 2. match the given regex pattern.
435 /// Assert that the number of occurrences equals the given `count`
436 pub fn assert_log_regex(&self, module: String, pattern: regex::Regex, count: usize) {
437 let log_entries = self.lines.lock().unwrap();
438 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
439 m == &module && pattern.is_match(&l)
440 }).map(|(_, c) | { c }).sum();
445 impl Logger for TestLogger {
446 fn log(&self, record: &Record) {
447 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
448 if record.level >= self.level {
449 println!("{:<5} {} [{} : {}, {}] {}", record.level.to_string(), self.id, record.module_path, record.file, record.line, record.args);
454 pub struct TestKeysInterface {
455 pub backing: keysinterface::KeysManager,
456 pub override_session_priv: Mutex<Option<[u8; 32]>>,
457 pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
458 pub disable_revocation_policy_check: bool,
459 enforcement_states: Mutex<HashMap<[u8;32], Arc<Mutex<EnforcementState>>>>,
460 expectations: Mutex<Option<VecDeque<OnGetShutdownScriptpubkey>>>,
463 impl keysinterface::KeysInterface for TestKeysInterface {
464 type Signer = EnforcingSigner;
466 fn get_node_secret(&self) -> SecretKey { self.backing.get_node_secret() }
467 fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
469 fn get_shutdown_scriptpubkey(&self) -> ShutdownScript {
470 match &mut *self.expectations.lock().unwrap() {
471 None => self.backing.get_shutdown_scriptpubkey(),
472 Some(expectations) => match expectations.pop_front() {
473 None => panic!("Unexpected get_shutdown_scriptpubkey"),
474 Some(expectation) => expectation.returns,
479 fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
480 let keys = self.backing.get_channel_signer(inbound, channel_value_satoshis);
481 let state = self.make_enforcement_state_cell(keys.commitment_seed);
482 EnforcingSigner::new_with_revoked(keys, state, self.disable_revocation_policy_check)
485 fn get_secure_random_bytes(&self) -> [u8; 32] {
486 let override_channel_id = self.override_channel_id_priv.lock().unwrap();
487 let override_session_key = self.override_session_priv.lock().unwrap();
488 if override_channel_id.is_some() && override_session_key.is_some() {
489 panic!("We don't know which override key to use!");
491 if let Some(key) = &*override_channel_id {
494 if let Some(key) = &*override_session_key {
497 self.backing.get_secure_random_bytes()
500 fn read_chan_signer(&self, buffer: &[u8]) -> Result<Self::Signer, msgs::DecodeError> {
501 let mut reader = io::Cursor::new(buffer);
503 let inner: InMemorySigner = Readable::read(&mut reader)?;
504 let state = self.make_enforcement_state_cell(inner.commitment_seed);
506 Ok(EnforcingSigner::new_with_revoked(
509 self.disable_revocation_policy_check
513 fn sign_invoice(&self, invoice_preimage: Vec<u8>) -> Result<RecoverableSignature, ()> {
514 self.backing.sign_invoice(invoice_preimage)
518 impl TestKeysInterface {
519 pub fn new(seed: &[u8; 32], network: Network) -> Self {
520 let now = Duration::from_secs(genesis_block(network).header.time as u64);
522 backing: keysinterface::KeysManager::new(seed, now.as_secs(), now.subsec_nanos()),
523 override_session_priv: Mutex::new(None),
524 override_channel_id_priv: Mutex::new(None),
525 disable_revocation_policy_check: false,
526 enforcement_states: Mutex::new(HashMap::new()),
527 expectations: Mutex::new(None),
531 /// Sets an expectation that [`keysinterface::KeysInterface::get_shutdown_scriptpubkey`] is
533 pub fn expect(&self, expectation: OnGetShutdownScriptpubkey) -> &Self {
534 self.expectations.lock().unwrap()
535 .get_or_insert_with(|| VecDeque::new())
536 .push_back(expectation);
540 pub fn derive_channel_keys(&self, channel_value_satoshis: u64, id: &[u8; 32]) -> EnforcingSigner {
541 let keys = self.backing.derive_channel_keys(channel_value_satoshis, id);
542 let state = self.make_enforcement_state_cell(keys.commitment_seed);
543 EnforcingSigner::new_with_revoked(keys, state, self.disable_revocation_policy_check)
546 fn make_enforcement_state_cell(&self, commitment_seed: [u8; 32]) -> Arc<Mutex<EnforcementState>> {
547 let mut states = self.enforcement_states.lock().unwrap();
548 if !states.contains_key(&commitment_seed) {
549 let state = EnforcementState::new();
550 states.insert(commitment_seed, Arc::new(Mutex::new(state)));
552 let cell = states.get(&commitment_seed).unwrap();
557 impl Drop for TestKeysInterface {
559 if std::thread::panicking() {
563 if let Some(expectations) = &*self.expectations.lock().unwrap() {
564 if !expectations.is_empty() {
565 panic!("Unsatisfied expectations: {:?}", expectations);
571 /// An expectation that [`keysinterface::KeysInterface::get_shutdown_scriptpubkey`] was called and
572 /// returns a [`ShutdownScript`].
573 pub struct OnGetShutdownScriptpubkey {
574 /// A shutdown script used to close a channel.
575 pub returns: ShutdownScript,
578 impl core::fmt::Debug for OnGetShutdownScriptpubkey {
579 fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
580 f.debug_struct("OnGetShutdownScriptpubkey").finish()
584 pub struct TestChainSource {
585 pub genesis_hash: BlockHash,
586 pub utxo_ret: Mutex<Result<TxOut, chain::AccessError>>,
587 pub watched_txn: Mutex<HashSet<(Txid, Script)>>,
588 pub watched_outputs: Mutex<HashSet<(OutPoint, Script)>>,
589 expectations: Mutex<Option<VecDeque<OnRegisterOutput>>>,
592 impl TestChainSource {
593 pub fn new(network: Network) -> Self {
594 let script_pubkey = Builder::new().push_opcode(opcodes::OP_TRUE).into_script();
596 genesis_hash: genesis_block(network).block_hash(),
597 utxo_ret: Mutex::new(Ok(TxOut { value: u64::max_value(), script_pubkey })),
598 watched_txn: Mutex::new(HashSet::new()),
599 watched_outputs: Mutex::new(HashSet::new()),
600 expectations: Mutex::new(None),
604 /// Sets an expectation that [`chain::Filter::register_output`] is called.
605 pub fn expect(&self, expectation: OnRegisterOutput) -> &Self {
606 self.expectations.lock().unwrap()
607 .get_or_insert_with(|| VecDeque::new())
608 .push_back(expectation);
613 impl chain::Access for TestChainSource {
614 fn get_utxo(&self, genesis_hash: &BlockHash, _short_channel_id: u64) -> Result<TxOut, chain::AccessError> {
615 if self.genesis_hash != *genesis_hash {
616 return Err(chain::AccessError::UnknownChain);
619 self.utxo_ret.lock().unwrap().clone()
623 impl chain::Filter for TestChainSource {
624 fn register_tx(&self, txid: &Txid, script_pubkey: &Script) {
625 self.watched_txn.lock().unwrap().insert((*txid, script_pubkey.clone()));
628 fn register_output(&self, output: WatchedOutput) -> Option<(usize, Transaction)> {
629 let dependent_tx = match &mut *self.expectations.lock().unwrap() {
631 Some(expectations) => match expectations.pop_front() {
633 panic!("Unexpected register_output: {:?}",
634 (output.outpoint, output.script_pubkey));
636 Some(expectation) => {
637 assert_eq!(output.outpoint, expectation.outpoint());
638 assert_eq!(&output.script_pubkey, expectation.script_pubkey());
644 self.watched_outputs.lock().unwrap().insert((output.outpoint, output.script_pubkey));
649 impl Drop for TestChainSource {
651 if std::thread::panicking() {
655 if let Some(expectations) = &*self.expectations.lock().unwrap() {
656 if !expectations.is_empty() {
657 panic!("Unsatisfied expectations: {:?}", expectations);
663 /// An expectation that [`chain::Filter::register_output`] was called with a transaction output and
664 /// returns an optional dependent transaction that spends the output in the same block.
665 pub struct OnRegisterOutput {
666 /// The transaction output to register.
667 pub with: TxOutReference,
669 /// A dependent transaction spending the output along with its position in the block.
670 pub returns: Option<(usize, Transaction)>,
673 /// A transaction output as identified by an index into a transaction's output list.
674 pub struct TxOutReference(pub Transaction, pub usize);
676 impl OnRegisterOutput {
677 fn outpoint(&self) -> OutPoint {
678 let txid = self.with.0.txid();
679 let index = self.with.1 as u16;
680 OutPoint { txid, index }
683 fn script_pubkey(&self) -> &Script {
684 let index = self.with.1;
685 &self.with.0.output[index].script_pubkey
689 impl core::fmt::Debug for OnRegisterOutput {
690 fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
691 f.debug_struct("OnRegisterOutput")
692 .field("outpoint", &self.outpoint())
693 .field("script_pubkey", self.script_pubkey())