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>>>,
89 impl<'a> TestChainMonitor<'a> {
90 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 {
92 added_monitors: Mutex::new(Vec::new()),
93 latest_monitor_update_id: Mutex::new(HashMap::new()),
94 chain_monitor: chainmonitor::ChainMonitor::new(chain_source, broadcaster, logger, fee_estimator, persister),
96 update_ret: Mutex::new(None),
97 next_update_ret: Mutex::new(None),
101 impl<'a> chain::Watch<EnforcingSigner> for TestChainMonitor<'a> {
102 fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
103 // At every point where we get a monitor update, we should be able to send a useful monitor
104 // to a watchtower and disk...
105 let mut w = TestVecWriter(Vec::new());
106 monitor.write(&mut w).unwrap();
107 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(
108 &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
109 assert!(new_monitor == monitor);
110 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, monitor.get_latest_update_id()));
111 self.added_monitors.lock().unwrap().push((funding_txo, monitor));
112 let watch_res = self.chain_monitor.watch_channel(funding_txo, new_monitor);
114 let ret = self.update_ret.lock().unwrap().clone();
115 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
116 *self.update_ret.lock().unwrap() = Some(next_ret);
119 assert!(watch_res.is_ok());
125 fn update_channel(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
126 // Every monitor update should survive roundtrip
127 let mut w = TestVecWriter(Vec::new());
128 update.write(&mut w).unwrap();
129 assert!(channelmonitor::ChannelMonitorUpdate::read(
130 &mut ::std::io::Cursor::new(&w.0)).unwrap() == update);
132 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, update.update_id));
133 let update_res = self.chain_monitor.update_channel(funding_txo, update);
134 // At every point where we get a monitor update, we should be able to send a useful monitor
135 // to a watchtower and disk...
136 let monitors = self.chain_monitor.monitors.read().unwrap();
137 let monitor = monitors.get(&funding_txo).unwrap();
139 monitor.write(&mut w).unwrap();
140 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingSigner>)>::read(
141 &mut ::std::io::Cursor::new(&w.0), self.keys_manager).unwrap().1;
142 assert!(new_monitor == *monitor);
143 self.added_monitors.lock().unwrap().push((funding_txo, new_monitor));
145 let ret = self.update_ret.lock().unwrap().clone();
146 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
147 *self.update_ret.lock().unwrap() = Some(next_ret);
150 assert!(update_res.is_ok());
156 fn release_pending_monitor_events(&self) -> Vec<MonitorEvent> {
157 return self.chain_monitor.release_pending_monitor_events();
161 pub struct TestPersister {
162 pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>
165 pub fn new() -> Self {
167 update_ret: Mutex::new(Ok(()))
171 pub fn set_update_ret(&self, ret: Result<(), channelmonitor::ChannelMonitorUpdateErr>) {
172 *self.update_ret.lock().unwrap() = ret;
175 impl channelmonitor::Persist<EnforcingSigner> for TestPersister {
176 fn persist_new_channel(&self, _funding_txo: OutPoint, _data: &channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
177 self.update_ret.lock().unwrap().clone()
180 fn update_persisted_channel(&self, _funding_txo: OutPoint, _update: &channelmonitor::ChannelMonitorUpdate, _data: &channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
181 self.update_ret.lock().unwrap().clone()
185 pub struct TestBroadcaster {
186 pub txn_broadcasted: Mutex<Vec<Transaction>>,
188 impl chaininterface::BroadcasterInterface for TestBroadcaster {
189 fn broadcast_transaction(&self, tx: &Transaction) {
190 self.txn_broadcasted.lock().unwrap().push(tx.clone());
194 pub struct TestChannelMessageHandler {
195 pub pending_events: Mutex<Vec<events::MessageSendEvent>>,
198 impl TestChannelMessageHandler {
199 pub fn new() -> Self {
200 TestChannelMessageHandler {
201 pending_events: Mutex::new(Vec::new()),
206 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
207 fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
208 fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
209 fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
210 fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
211 fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
212 fn handle_shutdown(&self, _their_node_id: &PublicKey, _their_features: &InitFeatures, _msg: &msgs::Shutdown) {}
213 fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) {}
214 fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) {}
215 fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) {}
216 fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) {}
217 fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) {}
218 fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) {}
219 fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) {}
220 fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) {}
221 fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
222 fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
223 fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
224 fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
225 fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
228 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
229 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
230 let mut pending_events = self.pending_events.lock().unwrap();
231 let mut ret = Vec::new();
232 mem::swap(&mut ret, &mut *pending_events);
237 fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
238 use bitcoin::secp256k1::ffi::Signature as FFISignature;
239 let secp_ctx = Secp256k1::new();
240 let network = Network::Testnet;
241 let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
242 let node_2_privkey = SecretKey::from_slice(&[41; 32]).unwrap();
243 let node_1_btckey = SecretKey::from_slice(&[40; 32]).unwrap();
244 let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
245 let unsigned_ann = msgs::UnsignedChannelAnnouncement {
246 features: ChannelFeatures::known(),
247 chain_hash: genesis_block(network).header.block_hash(),
248 short_channel_id: short_chan_id,
249 node_id_1: PublicKey::from_secret_key(&secp_ctx, &node_1_privkey),
250 node_id_2: PublicKey::from_secret_key(&secp_ctx, &node_2_privkey),
251 bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, &node_1_btckey),
252 bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, &node_2_btckey),
253 excess_data: Vec::new(),
257 msgs::ChannelAnnouncement {
258 node_signature_1: Signature::from(FFISignature::new()),
259 node_signature_2: Signature::from(FFISignature::new()),
260 bitcoin_signature_1: Signature::from(FFISignature::new()),
261 bitcoin_signature_2: Signature::from(FFISignature::new()),
262 contents: unsigned_ann,
267 fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
268 use bitcoin::secp256k1::ffi::Signature as FFISignature;
269 let network = Network::Testnet;
270 msgs::ChannelUpdate {
271 signature: Signature::from(unsafe { FFISignature::new() }),
272 contents: msgs::UnsignedChannelUpdate {
273 chain_hash: genesis_block(network).header.block_hash(),
274 short_channel_id: short_chan_id,
277 cltv_expiry_delta: 0,
278 htlc_minimum_msat: 0,
279 htlc_maximum_msat: OptionalField::Absent,
281 fee_proportional_millionths: 0,
287 pub struct TestRoutingMessageHandler {
288 pub chan_upds_recvd: AtomicUsize,
289 pub chan_anns_recvd: AtomicUsize,
290 pub chan_anns_sent: AtomicUsize,
291 pub request_full_sync: AtomicBool,
294 impl TestRoutingMessageHandler {
295 pub fn new() -> Self {
296 TestRoutingMessageHandler {
297 chan_upds_recvd: AtomicUsize::new(0),
298 chan_anns_recvd: AtomicUsize::new(0),
299 chan_anns_sent: AtomicUsize::new(0),
300 request_full_sync: AtomicBool::new(false),
304 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
305 fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, msgs::LightningError> {
306 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
308 fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, msgs::LightningError> {
309 self.chan_anns_recvd.fetch_add(1, Ordering::AcqRel);
310 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
312 fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, msgs::LightningError> {
313 self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
314 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
316 fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
317 fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
318 let mut chan_anns = Vec::new();
319 const TOTAL_UPDS: u64 = 100;
320 let end: u64 = cmp::min(starting_point + batch_amount as u64, TOTAL_UPDS - self.chan_anns_sent.load(Ordering::Acquire) as u64);
321 for i in starting_point..end {
322 let chan_upd_1 = get_dummy_channel_update(i);
323 let chan_upd_2 = get_dummy_channel_update(i);
324 let chan_ann = get_dummy_channel_announcement(i);
326 chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
329 self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
333 fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
337 fn sync_routing_table(&self, _their_node_id: &PublicKey, _init_msg: &msgs::Init) {}
339 fn handle_reply_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyChannelRange) -> Result<(), msgs::LightningError> {
343 fn handle_reply_short_channel_ids_end(&self, _their_node_id: &PublicKey, _msg: msgs::ReplyShortChannelIdsEnd) -> Result<(), msgs::LightningError> {
347 fn handle_query_channel_range(&self, _their_node_id: &PublicKey, _msg: msgs::QueryChannelRange) -> Result<(), msgs::LightningError> {
351 fn handle_query_short_channel_ids(&self, _their_node_id: &PublicKey, _msg: msgs::QueryShortChannelIds) -> Result<(), msgs::LightningError> {
356 impl events::MessageSendEventsProvider for TestRoutingMessageHandler {
357 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
362 pub struct TestLogger {
365 pub lines: Mutex<HashMap<(String, String), usize>>,
369 pub fn new() -> TestLogger {
370 Self::with_id("".to_owned())
372 pub fn with_id(id: String) -> TestLogger {
376 lines: Mutex::new(HashMap::new())
379 pub fn enable(&mut self, level: Level) {
382 pub fn assert_log(&self, module: String, line: String, count: usize) {
383 let log_entries = self.lines.lock().unwrap();
384 assert_eq!(log_entries.get(&(module, line)), Some(&count));
387 /// Search for the number of occurrence of the logged lines which
388 /// 1. belongs to the specified module and
389 /// 2. contains `line` in it.
390 /// And asserts if the number of occurrences is the same with the given `count`
391 pub fn assert_log_contains(&self, module: String, line: String, count: usize) {
392 let log_entries = self.lines.lock().unwrap();
393 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
394 m == &module && l.contains(line.as_str())
395 }).map(|(_, c) | { c }).sum();
399 /// Search for the number of occurrences of logged lines which
400 /// 1. belong to the specified module and
401 /// 2. match the given regex pattern.
402 /// Assert that the number of occurrences equals the given `count`
403 pub fn assert_log_regex(&self, module: String, pattern: regex::Regex, count: usize) {
404 let log_entries = self.lines.lock().unwrap();
405 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
406 m == &module && pattern.is_match(&l)
407 }).map(|(_, c) | { c }).sum();
412 impl Logger for TestLogger {
413 fn log(&self, record: &Record) {
414 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
415 if self.level >= record.level {
416 println!("{:<5} {} [{} : {}, {}] {}", record.level.to_string(), self.id, record.module_path, record.file, record.line, record.args);
421 pub struct TestKeysInterface {
422 pub backing: keysinterface::KeysManager,
423 pub override_session_priv: Mutex<Option<[u8; 32]>>,
424 pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
425 pub disable_revocation_policy_check: bool,
426 revoked_commitments: Mutex<HashMap<[u8;32], Arc<Mutex<u64>>>>,
429 impl keysinterface::KeysInterface for TestKeysInterface {
430 type Signer = EnforcingSigner;
432 fn get_node_secret(&self) -> SecretKey { self.backing.get_node_secret() }
433 fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
434 fn get_shutdown_pubkey(&self) -> PublicKey { self.backing.get_shutdown_pubkey() }
435 fn get_channel_signer(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
436 let keys = self.backing.get_channel_signer(inbound, channel_value_satoshis);
437 let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
438 EnforcingSigner::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
441 fn get_secure_random_bytes(&self) -> [u8; 32] {
442 let override_channel_id = self.override_channel_id_priv.lock().unwrap();
443 let override_session_key = self.override_session_priv.lock().unwrap();
444 if override_channel_id.is_some() && override_session_key.is_some() {
445 panic!("We don't know which override key to use!");
447 if let Some(key) = &*override_channel_id {
450 if let Some(key) = &*override_session_key {
453 self.backing.get_secure_random_bytes()
456 fn read_chan_signer(&self, buffer: &[u8]) -> Result<Self::Signer, msgs::DecodeError> {
457 let mut reader = std::io::Cursor::new(buffer);
459 let inner: InMemorySigner = Readable::read(&mut reader)?;
460 let revoked_commitment = self.make_revoked_commitment_cell(inner.commitment_seed);
462 let last_commitment_number = Readable::read(&mut reader)?;
466 last_commitment_number: Arc::new(Mutex::new(last_commitment_number)),
468 disable_revocation_policy_check: self.disable_revocation_policy_check,
474 impl TestKeysInterface {
475 pub fn new(seed: &[u8; 32], network: Network) -> Self {
476 let now = Duration::from_secs(genesis_block(network).header.time as u64);
478 backing: keysinterface::KeysManager::new(seed, now.as_secs(), now.subsec_nanos()),
479 override_session_priv: Mutex::new(None),
480 override_channel_id_priv: Mutex::new(None),
481 disable_revocation_policy_check: false,
482 revoked_commitments: Mutex::new(HashMap::new()),
485 pub fn derive_channel_keys(&self, channel_value_satoshis: u64, id: &[u8; 32]) -> EnforcingSigner {
486 let keys = self.backing.derive_channel_keys(channel_value_satoshis, id);
487 let revoked_commitment = self.make_revoked_commitment_cell(keys.commitment_seed);
488 EnforcingSigner::new_with_revoked(keys, revoked_commitment, self.disable_revocation_policy_check)
491 fn make_revoked_commitment_cell(&self, commitment_seed: [u8; 32]) -> Arc<Mutex<u64>> {
492 let mut revoked_commitments = self.revoked_commitments.lock().unwrap();
493 if !revoked_commitments.contains_key(&commitment_seed) {
494 revoked_commitments.insert(commitment_seed, Arc::new(Mutex::new(INITIAL_REVOKED_COMMITMENT_NUMBER)));
496 let cell = revoked_commitments.get(&commitment_seed).unwrap();
501 pub struct TestChainSource {
502 pub genesis_hash: BlockHash,
503 pub utxo_ret: Mutex<Result<TxOut, chain::AccessError>>,
504 pub watched_txn: Mutex<HashSet<(Txid, Script)>>,
505 pub watched_outputs: Mutex<HashSet<(OutPoint, Script)>>,
508 impl TestChainSource {
509 pub fn new(network: Network) -> Self {
510 let script_pubkey = Builder::new().push_opcode(opcodes::OP_TRUE).into_script();
512 genesis_hash: genesis_block(network).block_hash(),
513 utxo_ret: Mutex::new(Ok(TxOut { value: u64::max_value(), script_pubkey })),
514 watched_txn: Mutex::new(HashSet::new()),
515 watched_outputs: Mutex::new(HashSet::new()),
520 impl chain::Access for TestChainSource {
521 fn get_utxo(&self, genesis_hash: &BlockHash, _short_channel_id: u64) -> Result<TxOut, chain::AccessError> {
522 if self.genesis_hash != *genesis_hash {
523 return Err(chain::AccessError::UnknownChain);
526 self.utxo_ret.lock().unwrap().clone()
530 impl chain::Filter for TestChainSource {
531 fn register_tx(&self, txid: &Txid, script_pubkey: &Script) {
532 self.watched_txn.lock().unwrap().insert((*txid, script_pubkey.clone()));
535 fn register_output(&self, outpoint: &OutPoint, script_pubkey: &Script) {
536 self.watched_outputs.lock().unwrap().insert((*outpoint, script_pubkey.clone()));