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::chaininterface;
12 use chain::chaininterface::ConfirmationTarget;
13 use chain::chainmonitor;
14 use chain::channelmonitor;
15 use chain::channelmonitor::MonitorEvent;
16 use chain::transaction::OutPoint;
17 use chain::keysinterface;
18 use ln::features::{ChannelFeatures, InitFeatures};
20 use ln::msgs::OptionalField;
21 use util::enforcing_trait_impls::{EnforcingSigner, INITIAL_REVOKED_COMMITMENT_NUMBER};
23 use util::logger::{Logger, Level, Record};
24 use util::ser::{Readable, ReadableArgs, Writer, Writeable};
26 use bitcoin::blockdata::constants::genesis_block;
27 use bitcoin::blockdata::transaction::{Transaction, TxOut};
28 use bitcoin::blockdata::script::{Builder, Script};
29 use bitcoin::blockdata::opcodes;
30 use bitcoin::network::constants::Network;
31 use bitcoin::hash_types::{BlockHash, Txid};
33 use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, Signature};
37 use std::time::Duration;
38 use std::sync::{Mutex, Arc};
39 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
41 use std::collections::{HashMap, HashSet};
42 use chain::keysinterface::InMemorySigner;
44 pub struct TestVecWriter(pub Vec<u8>);
45 impl Writer for TestVecWriter {
46 fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
47 self.0.extend_from_slice(buf);
50 fn size_hint(&mut self, size: usize) {
51 self.0.reserve_exact(size);
55 pub struct TestFeeEstimator {
58 impl chaininterface::FeeEstimator for TestFeeEstimator {
59 fn get_est_sat_per_1000_weight(&self, _confirmation_target: ConfirmationTarget) -> u32 {
64 pub struct OnlyReadsKeysInterface {}
65 impl keysinterface::KeysInterface for OnlyReadsKeysInterface {
66 type Signer = EnforcingSigner;
68 fn get_node_secret(&self) -> SecretKey { unreachable!(); }
69 fn get_destination_script(&self) -> Script { unreachable!(); }
70 fn get_shutdown_pubkey(&self) -> PublicKey { unreachable!(); }
71 fn get_channel_signer(&self, _inbound: bool, _channel_value_satoshis: u64) -> EnforcingSigner { unreachable!(); }
72 fn get_secure_random_bytes(&self) -> [u8; 32] { [0; 32] }
74 fn read_chan_signer(&self, reader: &[u8]) -> Result<Self::Signer, msgs::DecodeError> {
75 EnforcingSigner::read(&mut std::io::Cursor::new(reader))
79 pub struct TestChainMonitor<'a> {
80 pub added_monitors: Mutex<Vec<(OutPoint, channelmonitor::ChannelMonitor<EnforcingSigner>)>>,
81 pub latest_monitor_update_id: Mutex<HashMap<[u8; 32], (OutPoint, u64)>>,
82 pub chain_monitor: chainmonitor::ChainMonitor<EnforcingSigner, &'a TestChainSource, &'a chaininterface::BroadcasterInterface, &'a TestFeeEstimator, &'a TestLogger, &'a channelmonitor::Persist<EnforcingSigner>>,
83 pub keys_manager: &'a TestKeysInterface,
84 pub update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
85 /// If this is set to Some(), after the next return, we'll always return this until update_ret
87 pub next_update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
88 /// If this is set to Some(), the next update_channel call (not watch_channel) must be a
89 /// ChannelForceClosed event for the given channel_id with should_broadcast set to the given
91 pub expect_channel_force_closed: Mutex<Option<([u8; 32], bool)>>,
93 impl<'a> TestChainMonitor<'a> {
94 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 {
96 added_monitors: Mutex::new(Vec::new()),
97 latest_monitor_update_id: Mutex::new(HashMap::new()),
98 chain_monitor: chainmonitor::ChainMonitor::new(chain_source, broadcaster, logger, fee_estimator, persister),
100 update_ret: Mutex::new(None),
101 next_update_ret: Mutex::new(None),
102 expect_channel_force_closed: Mutex::new(None),
106 impl<'a> chain::Watch<EnforcingSigner> for TestChainMonitor<'a> {
107 fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
108 // At every point where we get a monitor update, we should be able to send a useful monitor
109 // to a watchtower and disk...
110 let mut w = TestVecWriter(Vec::new());
111 monitor.write(&mut w).unwrap();
112 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(
113 &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
114 assert!(new_monitor == monitor);
115 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, monitor.get_latest_update_id()));
116 self.added_monitors.lock().unwrap().push((funding_txo, monitor));
117 let watch_res = self.chain_monitor.watch_channel(funding_txo, new_monitor);
119 let ret = self.update_ret.lock().unwrap().clone();
120 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
121 *self.update_ret.lock().unwrap() = Some(next_ret);
124 assert!(watch_res.is_ok());
130 fn update_channel(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
131 // Every monitor update should survive roundtrip
132 let mut w = TestVecWriter(Vec::new());
133 update.write(&mut w).unwrap();
134 assert!(channelmonitor::ChannelMonitorUpdate::read(
135 &mut ::std::io::Cursor::new(&w.0)).unwrap() == update);
137 if let Some(exp) = self.expect_channel_force_closed.lock().unwrap().take() {
138 assert_eq!(funding_txo.to_channel_id(), exp.0);
139 assert_eq!(update.updates.len(), 1);
140 if let channelmonitor::ChannelMonitorUpdateStep::ChannelForceClosed { should_broadcast } = update.updates[0] {
141 assert_eq!(should_broadcast, exp.1);
145 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, update.update_id));
146 let update_res = self.chain_monitor.update_channel(funding_txo, update);
147 // At every point where we get a monitor update, we should be able to send a useful monitor
148 // to a watchtower and disk...
149 let monitors = self.chain_monitor.monitors.read().unwrap();
150 let monitor = monitors.get(&funding_txo).unwrap();
152 monitor.write(&mut w).unwrap();
153 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(
154 &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
155 assert!(new_monitor == *monitor);
156 self.added_monitors.lock().unwrap().push((funding_txo, new_monitor));
158 let ret = self.update_ret.lock().unwrap().clone();
159 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
160 *self.update_ret.lock().unwrap() = Some(next_ret);
163 assert!(update_res.is_ok());
169 fn release_pending_monitor_events(&self) -> Vec<MonitorEvent> {
170 return self.chain_monitor.release_pending_monitor_events();
174 pub struct TestPersister {
175 pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>
178 pub fn new() -> Self {
180 update_ret: Mutex::new(Ok(()))
184 pub fn set_update_ret(&self, ret: Result<(), channelmonitor::ChannelMonitorUpdateErr>) {
185 *self.update_ret.lock().unwrap() = ret;
188 impl channelmonitor::Persist<EnforcingSigner> for TestPersister {
189 fn persist_new_channel(&self, _funding_txo: OutPoint, _data: &channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
190 self.update_ret.lock().unwrap().clone()
193 fn update_persisted_channel(&self, _funding_txo: OutPoint, _update: &channelmonitor::ChannelMonitorUpdate, _data: &channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
194 self.update_ret.lock().unwrap().clone()
198 pub struct TestBroadcaster {
199 pub txn_broadcasted: Mutex<Vec<Transaction>>,
201 impl chaininterface::BroadcasterInterface for TestBroadcaster {
202 fn broadcast_transaction(&self, tx: &Transaction) {
203 self.txn_broadcasted.lock().unwrap().push(tx.clone());
207 pub struct TestChannelMessageHandler {
208 pub pending_events: Mutex<Vec<events::MessageSendEvent>>,
211 impl TestChannelMessageHandler {
212 pub fn new() -> Self {
213 TestChannelMessageHandler {
214 pending_events: Mutex::new(Vec::new()),
219 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
220 fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
221 fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
222 fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
223 fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
224 fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
225 fn handle_shutdown(&self, _their_node_id: &PublicKey, _their_features: &InitFeatures, _msg: &msgs::Shutdown) {}
226 fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) {}
227 fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) {}
228 fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) {}
229 fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) {}
230 fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) {}
231 fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) {}
232 fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) {}
233 fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) {}
234 fn handle_channel_update(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelUpdate) {}
235 fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
236 fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
237 fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
238 fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
239 fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
242 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
243 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
244 let mut pending_events = self.pending_events.lock().unwrap();
245 let mut ret = Vec::new();
246 mem::swap(&mut ret, &mut *pending_events);
251 fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
252 use bitcoin::secp256k1::ffi::Signature as FFISignature;
253 let secp_ctx = Secp256k1::new();
254 let network = Network::Testnet;
255 let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
256 let node_2_privkey = SecretKey::from_slice(&[41; 32]).unwrap();
257 let node_1_btckey = SecretKey::from_slice(&[40; 32]).unwrap();
258 let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
259 let unsigned_ann = msgs::UnsignedChannelAnnouncement {
260 features: ChannelFeatures::known(),
261 chain_hash: genesis_block(network).header.block_hash(),
262 short_channel_id: short_chan_id,
263 node_id_1: PublicKey::from_secret_key(&secp_ctx, &node_1_privkey),
264 node_id_2: PublicKey::from_secret_key(&secp_ctx, &node_2_privkey),
265 bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, &node_1_btckey),
266 bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, &node_2_btckey),
267 excess_data: Vec::new(),
271 msgs::ChannelAnnouncement {
272 node_signature_1: Signature::from(FFISignature::new()),
273 node_signature_2: Signature::from(FFISignature::new()),
274 bitcoin_signature_1: Signature::from(FFISignature::new()),
275 bitcoin_signature_2: Signature::from(FFISignature::new()),
276 contents: unsigned_ann,
281 fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
282 use bitcoin::secp256k1::ffi::Signature as FFISignature;
283 let network = Network::Testnet;
284 msgs::ChannelUpdate {
285 signature: Signature::from(unsafe { FFISignature::new() }),
286 contents: msgs::UnsignedChannelUpdate {
287 chain_hash: genesis_block(network).header.block_hash(),
288 short_channel_id: short_chan_id,
291 cltv_expiry_delta: 0,
292 htlc_minimum_msat: 0,
293 htlc_maximum_msat: OptionalField::Absent,
295 fee_proportional_millionths: 0,
301 pub struct TestRoutingMessageHandler {
302 pub chan_upds_recvd: AtomicUsize,
303 pub chan_anns_recvd: AtomicUsize,
304 pub chan_anns_sent: AtomicUsize,
305 pub request_full_sync: AtomicBool,
308 impl TestRoutingMessageHandler {
309 pub fn new() -> Self {
310 TestRoutingMessageHandler {
311 chan_upds_recvd: AtomicUsize::new(0),
312 chan_anns_recvd: AtomicUsize::new(0),
313 chan_anns_sent: AtomicUsize::new(0),
314 request_full_sync: AtomicBool::new(false),
318 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
319 fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, msgs::LightningError> {
320 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
322 fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, msgs::LightningError> {
323 self.chan_anns_recvd.fetch_add(1, Ordering::AcqRel);
324 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
326 fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, msgs::LightningError> {
327 self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
328 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
330 fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
331 fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
332 let mut chan_anns = Vec::new();
333 const TOTAL_UPDS: u64 = 100;
334 let end: u64 = cmp::min(starting_point + batch_amount as u64, TOTAL_UPDS - self.chan_anns_sent.load(Ordering::Acquire) as u64);
335 for i in starting_point..end {
336 let chan_upd_1 = get_dummy_channel_update(i);
337 let chan_upd_2 = get_dummy_channel_update(i);
338 let chan_ann = get_dummy_channel_announcement(i);
340 chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
343 self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
347 fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
351 fn sync_routing_table(&self, _their_node_id: &PublicKey, _init_msg: &msgs::Init) {}
353 fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyChannelRange) -> Result<(), msgs::LightningError> {
357 fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyShortChannelIdsEnd) -> Result<(), msgs::LightningError> {
361 fn handle_query_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::QueryChannelRange) -> Result<(), msgs::LightningError> {
365 fn handle_query_short_channel_ids(&self, _their_node_id: &PublicKey, _msg: msgs::QueryShortChannelIds) -> Result<(), msgs::LightningError> {
370 impl events::MessageSendEventsProvider for TestRoutingMessageHandler {
371 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
376 pub struct TestLogger {
379 pub lines: Mutex<HashMap<(String, String), usize>>,
383 pub fn new() -> TestLogger {
384 Self::with_id("".to_owned())
386 pub fn with_id(id: String) -> TestLogger {
390 lines: Mutex::new(HashMap::new())
393 pub fn enable(&mut self, level: Level) {
396 pub fn assert_log(&self, module: String, line: String, count: usize) {
397 let log_entries = self.lines.lock().unwrap();
398 assert_eq!(log_entries.get(&(module, line)), Some(&count));
401 /// Search for the number of occurrence of the logged lines which
402 /// 1. belongs to the specified module and
403 /// 2. contains `line` in it.
404 /// And asserts if the number of occurrences is the same with the given `count`
405 pub fn assert_log_contains(&self, module: String, line: String, count: usize) {
406 let log_entries = self.lines.lock().unwrap();
407 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
408 m == &module && l.contains(line.as_str())
409 }).map(|(_, c) | { c }).sum();
413 /// Search for the number of occurrences of logged lines which
414 /// 1. belong to the specified module and
415 /// 2. match the given regex pattern.
416 /// Assert that the number of occurrences equals the given `count`
417 pub fn assert_log_regex(&self, module: String, pattern: regex::Regex, count: usize) {
418 let log_entries = self.lines.lock().unwrap();
419 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
420 m == &module && pattern.is_match(&l)
421 }).map(|(_, c) | { c }).sum();
426 impl Logger for TestLogger {
427 fn log(&self, record: &Record) {
428 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
429 if self.level >= record.level {
430 println!("{:<5} {} [{} : {}, {}] {}", record.level.to_string(), self.id, record.module_path, record.file, record.line, record.args);
435 pub struct TestKeysInterface {
436 pub backing: keysinterface::KeysManager,
437 pub override_session_priv: Mutex<Option<[u8; 32]>>,
438 pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
439 pub disable_revocation_policy_check: bool,
440 revoked_commitments: Mutex<HashMap<[u8;32], Arc<Mutex<u64>>>>,
443 impl keysinterface::KeysInterface for TestKeysInterface {
444 type Signer = EnforcingSigner;
446 fn get_node_secret(&self) -> SecretKey { self.backing.get_node_secret() }
447 fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
448 fn get_shutdown_pubkey(&self) -> PublicKey { self.backing.get_shutdown_pubkey() }
449 fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
450 let keys = self.backing.get_channel_signer(inbound, channel_value_satoshis);
451 let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
452 EnforcingSigner::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
455 fn get_secure_random_bytes(&self) -> [u8; 32] {
456 let override_channel_id = self.override_channel_id_priv.lock().unwrap();
457 let override_session_key = self.override_session_priv.lock().unwrap();
458 if override_channel_id.is_some() && override_session_key.is_some() {
459 panic!("We don't know which override key to use!");
461 if let Some(key) = &*override_channel_id {
464 if let Some(key) = &*override_session_key {
467 self.backing.get_secure_random_bytes()
470 fn read_chan_signer(&self, buffer: &[u8]) -> Result<Self::Signer, msgs::DecodeError> {
471 let mut reader = std::io::Cursor::new(buffer);
473 let inner: InMemorySigner = Readable::read(&mut reader)?;
474 let revoked_commitment = self.make_revoked_commitment_cell(inner.commitment_seed);
476 let last_commitment_number = Readable::read(&mut reader)?;
480 last_commitment_number: Arc::new(Mutex::new(last_commitment_number)),
482 disable_revocation_policy_check: self.disable_revocation_policy_check,
488 impl TestKeysInterface {
489 pub fn new(seed: &[u8; 32], network: Network) -> Self {
490 let now = Duration::from_secs(genesis_block(network).header.time as u64);
492 backing: keysinterface::KeysManager::new(seed, now.as_secs(), now.subsec_nanos()),
493 override_session_priv: Mutex::new(None),
494 override_channel_id_priv: Mutex::new(None),
495 disable_revocation_policy_check: false,
496 revoked_commitments: Mutex::new(HashMap::new()),
499 pub fn derive_channel_keys(&self, channel_value_satoshis: u64, id: &[u8; 32]) -> EnforcingSigner {
500 let keys = self.backing.derive_channel_keys(channel_value_satoshis, id);
501 let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
502 EnforcingSigner::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
505 fn make_revoked_commitment_cell(&self, commitment_seed: [u8; 32]) -> Arc<Mutex<u64>> {
506 let mut revoked_commitments = self.revoked_commitments.lock().unwrap();
507 if !revoked_commitments.contains_key(&commitment_seed) {
508 revoked_commitments.insert(commitment_seed, Arc::new(Mutex::new(INITIAL_REVOKED_COMMITMENT_NUMBER)));
510 let cell = revoked_commitments.get(&commitment_seed).unwrap();
515 pub struct TestChainSource {
516 pub genesis_hash: BlockHash,
517 pub utxo_ret: Mutex<Result<TxOut, chain::AccessError>>,
518 pub watched_txn: Mutex<HashSet<(Txid, Script)>>,
519 pub watched_outputs: Mutex<HashSet<(OutPoint, Script)>>,
522 impl TestChainSource {
523 pub fn new(network: Network) -> Self {
524 let script_pubkey = Builder::new().push_opcode(opcodes::OP_TRUE).into_script();
526 genesis_hash: genesis_block(network).block_hash(),
527 utxo_ret: Mutex::new(Ok(TxOut { value: u64::max_value(), script_pubkey })),
528 watched_txn: Mutex::new(HashSet::new()),
529 watched_outputs: Mutex::new(HashSet::new()),
534 impl chain::Access for TestChainSource {
535 fn get_utxo(&self, genesis_hash: &BlockHash, _short_channel_id: u64) -> Result<TxOut, chain::AccessError> {
536 if self.genesis_hash != *genesis_hash {
537 return Err(chain::AccessError::UnknownChain);
540 self.utxo_ret.lock().unwrap().clone()
544 impl chain::Filter for TestChainSource {
545 fn register_tx(&self, txid: &Txid, script_pubkey: &Script) {
546 self.watched_txn.lock().unwrap().insert((*txid, script_pubkey.clone()));
549 fn register_output(&self, outpoint: &OutPoint, script_pubkey: &Script) {
550 self.watched_outputs.lock().unwrap().insert((*outpoint, script_pubkey.clone()));