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::EnforcingChannelKeys;
23 use util::logger::{Logger, Level, Record};
24 use util::ser::{Readable, 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;
39 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
41 use std::collections::{HashMap, HashSet};
43 pub struct TestVecWriter(pub Vec<u8>);
44 impl Writer for TestVecWriter {
45 fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
46 self.0.extend_from_slice(buf);
49 fn size_hint(&mut self, size: usize) {
50 self.0.reserve_exact(size);
54 pub struct TestFeeEstimator {
57 impl chaininterface::FeeEstimator for TestFeeEstimator {
58 fn get_est_sat_per_1000_weight(&self, _confirmation_target: ConfirmationTarget) -> u32 {
63 pub struct TestChainMonitor<'a> {
64 pub added_monitors: Mutex<Vec<(OutPoint, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>>,
65 pub latest_monitor_update_id: Mutex<HashMap<[u8; 32], (OutPoint, u64)>>,
66 pub chain_monitor: chainmonitor::ChainMonitor<EnforcingChannelKeys, &'a TestChainSource, &'a chaininterface::BroadcasterInterface, &'a TestFeeEstimator, &'a TestLogger>,
67 pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>,
68 // If this is set to Some(), after the next return, we'll always return this until update_ret
70 pub next_update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
72 impl<'a> TestChainMonitor<'a> {
73 pub fn new(chain_source: Option<&'a TestChainSource>, broadcaster: &'a chaininterface::BroadcasterInterface, logger: &'a TestLogger, fee_estimator: &'a TestFeeEstimator) -> Self {
75 added_monitors: Mutex::new(Vec::new()),
76 latest_monitor_update_id: Mutex::new(HashMap::new()),
77 chain_monitor: chainmonitor::ChainMonitor::new(chain_source, broadcaster, logger, fee_estimator),
78 update_ret: Mutex::new(Ok(())),
79 next_update_ret: Mutex::new(None),
83 impl<'a> chain::Watch for TestChainMonitor<'a> {
84 type Keys = EnforcingChannelKeys;
86 fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingChannelKeys>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
87 // At every point where we get a monitor update, we should be able to send a useful monitor
88 // to a watchtower and disk...
89 let mut w = TestVecWriter(Vec::new());
90 monitor.write_for_disk(&mut w).unwrap();
91 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
92 &mut ::std::io::Cursor::new(&w.0)).unwrap().1;
93 assert!(new_monitor == monitor);
94 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, monitor.get_latest_update_id()));
95 self.added_monitors.lock().unwrap().push((funding_txo, monitor));
96 assert!(self.chain_monitor.watch_channel(funding_txo, new_monitor).is_ok());
98 let ret = self.update_ret.lock().unwrap().clone();
99 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
100 *self.update_ret.lock().unwrap() = next_ret;
105 fn update_channel(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
106 // Every monitor update should survive roundtrip
107 let mut w = TestVecWriter(Vec::new());
108 update.write(&mut w).unwrap();
109 assert!(channelmonitor::ChannelMonitorUpdate::read(
110 &mut ::std::io::Cursor::new(&w.0)).unwrap() == update);
112 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, update.update_id));
113 assert!(self.chain_monitor.update_channel(funding_txo, update).is_ok());
114 // At every point where we get a monitor update, we should be able to send a useful monitor
115 // to a watchtower and disk...
116 let monitors = self.chain_monitor.monitors.lock().unwrap();
117 let monitor = monitors.get(&funding_txo).unwrap();
119 monitor.write_for_disk(&mut w).unwrap();
120 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
121 &mut ::std::io::Cursor::new(&w.0)).unwrap().1;
122 assert!(new_monitor == *monitor);
123 self.added_monitors.lock().unwrap().push((funding_txo, new_monitor));
125 let ret = self.update_ret.lock().unwrap().clone();
126 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
127 *self.update_ret.lock().unwrap() = next_ret;
132 fn release_pending_monitor_events(&self) -> Vec<MonitorEvent> {
133 return self.chain_monitor.release_pending_monitor_events();
137 pub struct TestBroadcaster {
138 pub txn_broadcasted: Mutex<Vec<Transaction>>,
140 impl chaininterface::BroadcasterInterface for TestBroadcaster {
141 fn broadcast_transaction(&self, tx: &Transaction) {
142 self.txn_broadcasted.lock().unwrap().push(tx.clone());
146 pub struct TestChannelMessageHandler {
147 pub pending_events: Mutex<Vec<events::MessageSendEvent>>,
150 impl TestChannelMessageHandler {
151 pub fn new() -> Self {
152 TestChannelMessageHandler {
153 pending_events: Mutex::new(Vec::new()),
158 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
159 fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
160 fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
161 fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
162 fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
163 fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
164 fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &msgs::Shutdown) {}
165 fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) {}
166 fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) {}
167 fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) {}
168 fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) {}
169 fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) {}
170 fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) {}
171 fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) {}
172 fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) {}
173 fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
174 fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
175 fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
176 fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
177 fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
180 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
181 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
182 let mut pending_events = self.pending_events.lock().unwrap();
183 let mut ret = Vec::new();
184 mem::swap(&mut ret, &mut *pending_events);
189 fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
190 use bitcoin::secp256k1::ffi::Signature as FFISignature;
191 let secp_ctx = Secp256k1::new();
192 let network = Network::Testnet;
193 let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
194 let node_2_privkey = SecretKey::from_slice(&[41; 32]).unwrap();
195 let node_1_btckey = SecretKey::from_slice(&[40; 32]).unwrap();
196 let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
197 let unsigned_ann = msgs::UnsignedChannelAnnouncement {
198 features: ChannelFeatures::known(),
199 chain_hash: genesis_block(network).header.block_hash(),
200 short_channel_id: short_chan_id,
201 node_id_1: PublicKey::from_secret_key(&secp_ctx, &node_1_privkey),
202 node_id_2: PublicKey::from_secret_key(&secp_ctx, &node_2_privkey),
203 bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, &node_1_btckey),
204 bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, &node_2_btckey),
205 excess_data: Vec::new(),
208 msgs::ChannelAnnouncement {
209 node_signature_1: Signature::from(FFISignature::new()),
210 node_signature_2: Signature::from(FFISignature::new()),
211 bitcoin_signature_1: Signature::from(FFISignature::new()),
212 bitcoin_signature_2: Signature::from(FFISignature::new()),
213 contents: unsigned_ann,
217 fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
218 use bitcoin::secp256k1::ffi::Signature as FFISignature;
219 let network = Network::Testnet;
220 msgs::ChannelUpdate {
221 signature: Signature::from(FFISignature::new()),
222 contents: msgs::UnsignedChannelUpdate {
223 chain_hash: genesis_block(network).header.block_hash(),
224 short_channel_id: short_chan_id,
227 cltv_expiry_delta: 0,
228 htlc_minimum_msat: 0,
229 htlc_maximum_msat: OptionalField::Absent,
231 fee_proportional_millionths: 0,
237 pub struct TestRoutingMessageHandler {
238 pub chan_upds_recvd: AtomicUsize,
239 pub chan_anns_recvd: AtomicUsize,
240 pub chan_anns_sent: AtomicUsize,
241 pub request_full_sync: AtomicBool,
244 impl TestRoutingMessageHandler {
245 pub fn new() -> Self {
246 TestRoutingMessageHandler {
247 chan_upds_recvd: AtomicUsize::new(0),
248 chan_anns_recvd: AtomicUsize::new(0),
249 chan_anns_sent: AtomicUsize::new(0),
250 request_full_sync: AtomicBool::new(false),
254 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
255 fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, msgs::LightningError> {
256 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
258 fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, msgs::LightningError> {
259 self.chan_anns_recvd.fetch_add(1, Ordering::AcqRel);
260 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
262 fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, msgs::LightningError> {
263 self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
264 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
266 fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
267 fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
268 let mut chan_anns = Vec::new();
269 const TOTAL_UPDS: u64 = 100;
270 let end: u64 = cmp::min(starting_point + batch_amount as u64, TOTAL_UPDS - self.chan_anns_sent.load(Ordering::Acquire) as u64);
271 for i in starting_point..end {
272 let chan_upd_1 = get_dummy_channel_update(i);
273 let chan_upd_2 = get_dummy_channel_update(i);
274 let chan_ann = get_dummy_channel_announcement(i);
276 chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
279 self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
283 fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
287 fn should_request_full_sync(&self, _node_id: &PublicKey) -> bool {
288 self.request_full_sync.load(Ordering::Acquire)
292 pub struct TestLogger {
295 pub lines: Mutex<HashMap<(String, String), usize>>,
299 pub fn new() -> TestLogger {
300 Self::with_id("".to_owned())
302 pub fn with_id(id: String) -> TestLogger {
306 lines: Mutex::new(HashMap::new())
309 pub fn enable(&mut self, level: Level) {
312 pub fn assert_log(&self, module: String, line: String, count: usize) {
313 let log_entries = self.lines.lock().unwrap();
314 assert_eq!(log_entries.get(&(module, line)), Some(&count));
317 /// Search for the number of occurrence of the logged lines which
318 /// 1. belongs to the specified module and
319 /// 2. contains `line` in it.
320 /// And asserts if the number of occurrences is the same with the given `count`
321 pub fn assert_log_contains(&self, module: String, line: String, count: usize) {
322 let log_entries = self.lines.lock().unwrap();
323 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
324 m == &module && l.contains(line.as_str())
325 }).map(|(_, c) | { c }).sum();
329 /// Search for the number of occurrences of logged lines which
330 /// 1. belong to the specified module and
331 /// 2. match the given regex pattern.
332 /// Assert that the number of occurrences equals the given `count`
333 pub fn assert_log_regex(&self, module: String, pattern: regex::Regex, count: usize) {
334 let log_entries = self.lines.lock().unwrap();
335 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
336 m == &module && pattern.is_match(&l)
337 }).map(|(_, c) | { c }).sum();
342 impl Logger for TestLogger {
343 fn log(&self, record: &Record) {
344 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
345 if self.level >= record.level {
346 println!("{:<5} {} [{} : {}, {}] {}", record.level.to_string(), self.id, record.module_path, record.file, record.line, record.args);
351 pub struct TestKeysInterface {
352 backing: keysinterface::KeysManager,
353 pub override_session_priv: Mutex<Option<[u8; 32]>>,
354 pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
357 impl keysinterface::KeysInterface for TestKeysInterface {
358 type ChanKeySigner = EnforcingChannelKeys;
360 fn get_node_secret(&self) -> SecretKey { self.backing.get_node_secret() }
361 fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
362 fn get_shutdown_pubkey(&self) -> PublicKey { self.backing.get_shutdown_pubkey() }
363 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
364 EnforcingChannelKeys::new(self.backing.get_channel_keys(inbound, channel_value_satoshis))
367 fn get_secure_random_bytes(&self) -> [u8; 32] {
368 let override_channel_id = self.override_channel_id_priv.lock().unwrap();
369 let override_session_key = self.override_session_priv.lock().unwrap();
370 if override_channel_id.is_some() && override_session_key.is_some() {
371 panic!("We don't know which override key to use!");
373 if let Some(key) = &*override_channel_id {
376 if let Some(key) = &*override_session_key {
379 self.backing.get_secure_random_bytes()
383 impl TestKeysInterface {
384 pub fn new(seed: &[u8; 32], network: Network) -> Self {
385 let now = Duration::from_secs(genesis_block(network).header.time as u64);
387 backing: keysinterface::KeysManager::new(seed, network, now.as_secs(), now.subsec_nanos()),
388 override_session_priv: Mutex::new(None),
389 override_channel_id_priv: Mutex::new(None),
392 pub fn derive_channel_keys(&self, channel_value_satoshis: u64, user_id_1: u64, user_id_2: u64) -> EnforcingChannelKeys {
393 EnforcingChannelKeys::new(self.backing.derive_channel_keys(channel_value_satoshis, user_id_1, user_id_2))
397 pub struct TestChainSource {
398 pub genesis_hash: BlockHash,
399 pub utxo_ret: Mutex<Result<TxOut, chain::AccessError>>,
400 pub watched_txn: Mutex<HashSet<(Txid, Script)>>,
401 pub watched_outputs: Mutex<HashSet<(OutPoint, Script)>>,
404 impl TestChainSource {
405 pub fn new(network: Network) -> Self {
406 let script_pubkey = Builder::new().push_opcode(opcodes::OP_TRUE).into_script();
408 genesis_hash: genesis_block(network).block_hash(),
409 utxo_ret: Mutex::new(Ok(TxOut { value: u64::max_value(), script_pubkey })),
410 watched_txn: Mutex::new(HashSet::new()),
411 watched_outputs: Mutex::new(HashSet::new()),
416 impl chain::Access for TestChainSource {
417 fn get_utxo(&self, genesis_hash: &BlockHash, _short_channel_id: u64) -> Result<TxOut, chain::AccessError> {
418 if self.genesis_hash != *genesis_hash {
419 return Err(chain::AccessError::UnknownChain);
422 self.utxo_ret.lock().unwrap().clone()
426 impl chain::Filter for TestChainSource {
427 fn register_tx(&self, txid: &Txid, script_pubkey: &Script) {
428 self.watched_txn.lock().unwrap().insert((*txid, script_pubkey.clone()));
431 fn register_output(&self, outpoint: &OutPoint, script_pubkey: &Script) {
432 self.watched_outputs.lock().unwrap().insert((*outpoint, script_pubkey.clone()));