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_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
235 fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
236 fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
237 fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
238 fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
241 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
242 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
243 let mut pending_events = self.pending_events.lock().unwrap();
244 let mut ret = Vec::new();
245 mem::swap(&mut ret, &mut *pending_events);
250 fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
251 use bitcoin::secp256k1::ffi::Signature as FFISignature;
252 let secp_ctx = Secp256k1::new();
253 let network = Network::Testnet;
254 let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
255 let node_2_privkey = SecretKey::from_slice(&[41; 32]).unwrap();
256 let node_1_btckey = SecretKey::from_slice(&[40; 32]).unwrap();
257 let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
258 let unsigned_ann = msgs::UnsignedChannelAnnouncement {
259 features: ChannelFeatures::known(),
260 chain_hash: genesis_block(network).header.block_hash(),
261 short_channel_id: short_chan_id,
262 node_id_1: PublicKey::from_secret_key(&secp_ctx, &node_1_privkey),
263 node_id_2: PublicKey::from_secret_key(&secp_ctx, &node_2_privkey),
264 bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, &node_1_btckey),
265 bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, &node_2_btckey),
266 excess_data: Vec::new(),
270 msgs::ChannelAnnouncement {
271 node_signature_1: Signature::from(FFISignature::new()),
272 node_signature_2: Signature::from(FFISignature::new()),
273 bitcoin_signature_1: Signature::from(FFISignature::new()),
274 bitcoin_signature_2: Signature::from(FFISignature::new()),
275 contents: unsigned_ann,
280 fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
281 use bitcoin::secp256k1::ffi::Signature as FFISignature;
282 let network = Network::Testnet;
283 msgs::ChannelUpdate {
284 signature: Signature::from(unsafe { FFISignature::new() }),
285 contents: msgs::UnsignedChannelUpdate {
286 chain_hash: genesis_block(network).header.block_hash(),
287 short_channel_id: short_chan_id,
290 cltv_expiry_delta: 0,
291 htlc_minimum_msat: 0,
292 htlc_maximum_msat: OptionalField::Absent,
294 fee_proportional_millionths: 0,
300 pub struct TestRoutingMessageHandler {
301 pub chan_upds_recvd: AtomicUsize,
302 pub chan_anns_recvd: AtomicUsize,
303 pub chan_anns_sent: AtomicUsize,
304 pub request_full_sync: AtomicBool,
307 impl TestRoutingMessageHandler {
308 pub fn new() -> Self {
309 TestRoutingMessageHandler {
310 chan_upds_recvd: AtomicUsize::new(0),
311 chan_anns_recvd: AtomicUsize::new(0),
312 chan_anns_sent: AtomicUsize::new(0),
313 request_full_sync: AtomicBool::new(false),
317 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
318 fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, msgs::LightningError> {
319 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
321 fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, msgs::LightningError> {
322 self.chan_anns_recvd.fetch_add(1, Ordering::AcqRel);
323 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
325 fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, msgs::LightningError> {
326 self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
327 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
329 fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
330 fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
331 let mut chan_anns = Vec::new();
332 const TOTAL_UPDS: u64 = 100;
333 let end: u64 = cmp::min(starting_point + batch_amount as u64, TOTAL_UPDS - self.chan_anns_sent.load(Ordering::Acquire) as u64);
334 for i in starting_point..end {
335 let chan_upd_1 = get_dummy_channel_update(i);
336 let chan_upd_2 = get_dummy_channel_update(i);
337 let chan_ann = get_dummy_channel_announcement(i);
339 chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
342 self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
346 fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
350 fn sync_routing_table(&self, _their_node_id: &PublicKey, _init_msg: &msgs::Init) {}
352 fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyChannelRange) -> Result<(), msgs::LightningError> {
356 fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyShortChannelIdsEnd) -> Result<(), msgs::LightningError> {
360 fn handle_query_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::QueryChannelRange) -> Result<(), msgs::LightningError> {
364 fn handle_query_short_channel_ids(&self, _their_node_id: &PublicKey, _msg: msgs::QueryShortChannelIds) -> Result<(), msgs::LightningError> {
369 impl events::MessageSendEventsProvider for TestRoutingMessageHandler {
370 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
375 pub struct TestLogger {
378 pub lines: Mutex<HashMap<(String, String), usize>>,
382 pub fn new() -> TestLogger {
383 Self::with_id("".to_owned())
385 pub fn with_id(id: String) -> TestLogger {
389 lines: Mutex::new(HashMap::new())
392 pub fn enable(&mut self, level: Level) {
395 pub fn assert_log(&self, module: String, line: String, count: usize) {
396 let log_entries = self.lines.lock().unwrap();
397 assert_eq!(log_entries.get(&(module, line)), Some(&count));
400 /// Search for the number of occurrence of the logged lines which
401 /// 1. belongs to the specified module and
402 /// 2. contains `line` in it.
403 /// And asserts if the number of occurrences is the same with the given `count`
404 pub fn assert_log_contains(&self, module: String, line: String, count: usize) {
405 let log_entries = self.lines.lock().unwrap();
406 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
407 m == &module && l.contains(line.as_str())
408 }).map(|(_, c) | { c }).sum();
412 /// Search for the number of occurrences of logged lines which
413 /// 1. belong to the specified module and
414 /// 2. match the given regex pattern.
415 /// Assert that the number of occurrences equals the given `count`
416 pub fn assert_log_regex(&self, module: String, pattern: regex::Regex, count: usize) {
417 let log_entries = self.lines.lock().unwrap();
418 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
419 m == &module && pattern.is_match(&l)
420 }).map(|(_, c) | { c }).sum();
425 impl Logger for TestLogger {
426 fn log(&self, record: &Record) {
427 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
428 if self.level >= record.level {
429 println!("{:<5} {} [{} : {}, {}] {}", record.level.to_string(), self.id, record.module_path, record.file, record.line, record.args);
434 pub struct TestKeysInterface {
435 pub backing: keysinterface::KeysManager,
436 pub override_session_priv: Mutex<Option<[u8; 32]>>,
437 pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
438 pub disable_revocation_policy_check: bool,
439 revoked_commitments: Mutex<HashMap<[u8;32], Arc<Mutex<u64>>>>,
442 impl keysinterface::KeysInterface for TestKeysInterface {
443 type Signer = EnforcingSigner;
445 fn get_node_secret(&self) -> SecretKey { self.backing.get_node_secret() }
446 fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
447 fn get_shutdown_pubkey(&self) -> PublicKey { self.backing.get_shutdown_pubkey() }
448 fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
449 let keys = self.backing.get_channel_signer(inbound, channel_value_satoshis);
450 let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
451 EnforcingSigner::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
454 fn get_secure_random_bytes(&self) -> [u8; 32] {
455 let override_channel_id = self.override_channel_id_priv.lock().unwrap();
456 let override_session_key = self.override_session_priv.lock().unwrap();
457 if override_channel_id.is_some() && override_session_key.is_some() {
458 panic!("We don't know which override key to use!");
460 if let Some(key) = &*override_channel_id {
463 if let Some(key) = &*override_session_key {
466 self.backing.get_secure_random_bytes()
469 fn read_chan_signer(&self, buffer: &[u8]) -> Result<Self::Signer, msgs::DecodeError> {
470 let mut reader = std::io::Cursor::new(buffer);
472 let inner: InMemorySigner = Readable::read(&mut reader)?;
473 let revoked_commitment = self.make_revoked_commitment_cell(inner.commitment_seed);
475 let last_commitment_number = Readable::read(&mut reader)?;
479 last_commitment_number: Arc::new(Mutex::new(last_commitment_number)),
481 disable_revocation_policy_check: self.disable_revocation_policy_check,
487 impl TestKeysInterface {
488 pub fn new(seed: &[u8; 32], network: Network) -> Self {
489 let now = Duration::from_secs(genesis_block(network).header.time as u64);
491 backing: keysinterface::KeysManager::new(seed, now.as_secs(), now.subsec_nanos()),
492 override_session_priv: Mutex::new(None),
493 override_channel_id_priv: Mutex::new(None),
494 disable_revocation_policy_check: false,
495 revoked_commitments: Mutex::new(HashMap::new()),
498 pub fn derive_channel_keys(&self, channel_value_satoshis: u64, id: &[u8; 32]) -> EnforcingSigner {
499 let keys = self.backing.derive_channel_keys(channel_value_satoshis, id);
500 let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
501 EnforcingSigner::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
504 fn make_revoked_commitment_cell(&self, commitment_seed: [u8; 32]) -> Arc<Mutex<u64>> {
505 let mut revoked_commitments = self.revoked_commitments.lock().unwrap();
506 if !revoked_commitments.contains_key(&commitment_seed) {
507 revoked_commitments.insert(commitment_seed, Arc::new(Mutex::new(INITIAL_REVOKED_COMMITMENT_NUMBER)));
509 let cell = revoked_commitments.get(&commitment_seed).unwrap();
514 pub struct TestChainSource {
515 pub genesis_hash: BlockHash,
516 pub utxo_ret: Mutex<Result<TxOut, chain::AccessError>>,
517 pub watched_txn: Mutex<HashSet<(Txid, Script)>>,
518 pub watched_outputs: Mutex<HashSet<(OutPoint, Script)>>,
521 impl TestChainSource {
522 pub fn new(network: Network) -> Self {
523 let script_pubkey = Builder::new().push_opcode(opcodes::OP_TRUE).into_script();
525 genesis_hash: genesis_block(network).block_hash(),
526 utxo_ret: Mutex::new(Ok(TxOut { value: u64::max_value(), script_pubkey })),
527 watched_txn: Mutex::new(HashSet::new()),
528 watched_outputs: Mutex::new(HashSet::new()),
533 impl chain::Access for TestChainSource {
534 fn get_utxo(&self, genesis_hash: &BlockHash, _short_channel_id: u64) -> Result<TxOut, chain::AccessError> {
535 if self.genesis_hash != *genesis_hash {
536 return Err(chain::AccessError::UnknownChain);
539 self.utxo_ret.lock().unwrap().clone()
543 impl chain::Filter for TestChainSource {
544 fn register_tx(&self, txid: &Txid, script_pubkey: &Script) {
545 self.watched_txn.lock().unwrap().insert((*txid, script_pubkey.clone()));
548 fn register_output(&self, outpoint: &OutPoint, script_pubkey: &Script) {
549 self.watched_outputs.lock().unwrap().insert((*outpoint, script_pubkey.clone()));