1 use chain::chaininterface;
2 use chain::chaininterface::{ConfirmationTarget, ChainError, ChainWatchInterface};
3 use chain::transaction::OutPoint;
4 use chain::keysinterface;
5 use ln::channelmonitor;
6 use ln::features::{ChannelFeatures, InitFeatures};
8 use ln::msgs::OptionalField;
9 use ln::channelmonitor::HTLCUpdate;
10 use util::enforcing_trait_impls::EnforcingChannelKeys;
12 use util::logger::{Logger, Level, Record};
13 use util::ser::{Readable, Writer, Writeable};
15 use bitcoin::BitcoinHash;
16 use bitcoin::blockdata::constants::genesis_block;
17 use bitcoin::blockdata::transaction::Transaction;
18 use bitcoin::blockdata::script::{Builder, Script};
19 use bitcoin::blockdata::block::Block;
20 use bitcoin::blockdata::opcodes;
21 use bitcoin::network::constants::Network;
22 use bitcoin::hash_types::{Txid, BlockHash};
24 use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, Signature};
28 use std::time::Duration;
30 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
32 use std::collections::HashMap;
34 pub struct TestVecWriter(pub Vec<u8>);
35 impl Writer for TestVecWriter {
36 fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
37 self.0.extend_from_slice(buf);
40 fn size_hint(&mut self, size: usize) {
41 self.0.reserve_exact(size);
45 pub struct TestFeeEstimator {
48 impl chaininterface::FeeEstimator for TestFeeEstimator {
49 fn get_est_sat_per_1000_weight(&self, _confirmation_target: ConfirmationTarget) -> u32 {
54 pub struct TestChannelMonitor<'a> {
55 pub added_monitors: Mutex<Vec<(OutPoint, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>>,
56 pub latest_monitor_update_id: Mutex<HashMap<[u8; 32], (OutPoint, u64)>>,
57 pub simple_monitor: channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, &'a chaininterface::BroadcasterInterface, &'a TestFeeEstimator, &'a TestLogger, &'a ChainWatchInterface>,
58 pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>,
59 // If this is set to Some(), after the next return, we'll always return this until update_ret
61 pub next_update_ret: Mutex<Option<Result<(), channelmonitor::ChannelMonitorUpdateErr>>>,
63 impl<'a> TestChannelMonitor<'a> {
64 pub fn new(chain_monitor: &'a chaininterface::ChainWatchInterface, broadcaster: &'a chaininterface::BroadcasterInterface, logger: &'a TestLogger, fee_estimator: &'a TestFeeEstimator) -> Self {
66 added_monitors: Mutex::new(Vec::new()),
67 latest_monitor_update_id: Mutex::new(HashMap::new()),
68 simple_monitor: channelmonitor::SimpleManyChannelMonitor::new(chain_monitor, broadcaster, logger, fee_estimator),
69 update_ret: Mutex::new(Ok(())),
70 next_update_ret: Mutex::new(None),
74 impl<'a> channelmonitor::ManyChannelMonitor for TestChannelMonitor<'a> {
75 type Keys = EnforcingChannelKeys;
77 fn add_monitor(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingChannelKeys>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
78 // At every point where we get a monitor update, we should be able to send a useful monitor
79 // to a watchtower and disk...
80 let mut w = TestVecWriter(Vec::new());
81 monitor.write_for_disk(&mut w).unwrap();
82 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
83 &mut ::std::io::Cursor::new(&w.0)).unwrap().1;
84 assert!(new_monitor == monitor);
85 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, monitor.get_latest_update_id()));
86 self.added_monitors.lock().unwrap().push((funding_txo, monitor));
87 assert!(self.simple_monitor.add_monitor(funding_txo, new_monitor).is_ok());
89 let ret = self.update_ret.lock().unwrap().clone();
90 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
91 *self.update_ret.lock().unwrap() = next_ret;
96 fn update_monitor(&self, funding_txo: OutPoint, update: channelmonitor::ChannelMonitorUpdate) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
97 // Every monitor update should survive roundtrip
98 let mut w = TestVecWriter(Vec::new());
99 update.write(&mut w).unwrap();
100 assert!(channelmonitor::ChannelMonitorUpdate::read(
101 &mut ::std::io::Cursor::new(&w.0)).unwrap() == update);
103 self.latest_monitor_update_id.lock().unwrap().insert(funding_txo.to_channel_id(), (funding_txo, update.update_id));
104 assert!(self.simple_monitor.update_monitor(funding_txo, update).is_ok());
105 // At every point where we get a monitor update, we should be able to send a useful monitor
106 // to a watchtower and disk...
107 let monitors = self.simple_monitor.monitors.lock().unwrap();
108 let monitor = monitors.get(&funding_txo).unwrap();
110 monitor.write_for_disk(&mut w).unwrap();
111 let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
112 &mut ::std::io::Cursor::new(&w.0)).unwrap().1;
113 assert!(new_monitor == *monitor);
114 self.added_monitors.lock().unwrap().push((funding_txo, new_monitor));
116 let ret = self.update_ret.lock().unwrap().clone();
117 if let Some(next_ret) = self.next_update_ret.lock().unwrap().take() {
118 *self.update_ret.lock().unwrap() = next_ret;
123 fn get_and_clear_pending_htlcs_updated(&self) -> Vec<HTLCUpdate> {
124 return self.simple_monitor.get_and_clear_pending_htlcs_updated();
128 pub struct TestBroadcaster {
129 pub txn_broadcasted: Mutex<Vec<Transaction>>,
131 impl chaininterface::BroadcasterInterface for TestBroadcaster {
132 fn broadcast_transaction(&self, tx: &Transaction) {
133 self.txn_broadcasted.lock().unwrap().push(tx.clone());
137 pub struct TestChannelMessageHandler {
138 pub pending_events: Mutex<Vec<events::MessageSendEvent>>,
141 impl TestChannelMessageHandler {
142 pub fn new() -> Self {
143 TestChannelMessageHandler {
144 pending_events: Mutex::new(Vec::new()),
149 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
150 fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
151 fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
152 fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
153 fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
154 fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
155 fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &msgs::Shutdown) {}
156 fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) {}
157 fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) {}
158 fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) {}
159 fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) {}
160 fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) {}
161 fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) {}
162 fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) {}
163 fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) {}
164 fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
165 fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
166 fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
167 fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
168 fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
171 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
172 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
173 let mut pending_events = self.pending_events.lock().unwrap();
174 let mut ret = Vec::new();
175 mem::swap(&mut ret, &mut *pending_events);
180 fn get_dummy_channel_announcement(short_chan_id: u64) -> msgs::ChannelAnnouncement {
181 use bitcoin::secp256k1::ffi::Signature as FFISignature;
182 let secp_ctx = Secp256k1::new();
183 let network = Network::Testnet;
184 let node_1_privkey = SecretKey::from_slice(&[42; 32]).unwrap();
185 let node_2_privkey = SecretKey::from_slice(&[41; 32]).unwrap();
186 let node_1_btckey = SecretKey::from_slice(&[40; 32]).unwrap();
187 let node_2_btckey = SecretKey::from_slice(&[39; 32]).unwrap();
188 let unsigned_ann = msgs::UnsignedChannelAnnouncement {
189 features: ChannelFeatures::known(),
190 chain_hash: genesis_block(network).header.bitcoin_hash(),
191 short_channel_id: short_chan_id,
192 node_id_1: PublicKey::from_secret_key(&secp_ctx, &node_1_privkey),
193 node_id_2: PublicKey::from_secret_key(&secp_ctx, &node_2_privkey),
194 bitcoin_key_1: PublicKey::from_secret_key(&secp_ctx, &node_1_btckey),
195 bitcoin_key_2: PublicKey::from_secret_key(&secp_ctx, &node_2_btckey),
196 excess_data: Vec::new(),
199 msgs::ChannelAnnouncement {
200 node_signature_1: Signature::from(FFISignature::new()),
201 node_signature_2: Signature::from(FFISignature::new()),
202 bitcoin_signature_1: Signature::from(FFISignature::new()),
203 bitcoin_signature_2: Signature::from(FFISignature::new()),
204 contents: unsigned_ann,
208 fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
209 use bitcoin::secp256k1::ffi::Signature as FFISignature;
210 let network = Network::Testnet;
211 msgs::ChannelUpdate {
212 signature: Signature::from(FFISignature::new()),
213 contents: msgs::UnsignedChannelUpdate {
214 chain_hash: genesis_block(network).header.bitcoin_hash(),
215 short_channel_id: short_chan_id,
218 cltv_expiry_delta: 0,
219 htlc_minimum_msat: 0,
220 htlc_maximum_msat: OptionalField::Absent,
222 fee_proportional_millionths: 0,
228 pub struct TestRoutingMessageHandler {
229 pub chan_upds_recvd: AtomicUsize,
230 pub chan_anns_recvd: AtomicUsize,
231 pub chan_anns_sent: AtomicUsize,
232 pub request_full_sync: AtomicBool,
235 impl TestRoutingMessageHandler {
236 pub fn new() -> Self {
237 TestRoutingMessageHandler {
238 chan_upds_recvd: AtomicUsize::new(0),
239 chan_anns_recvd: AtomicUsize::new(0),
240 chan_anns_sent: AtomicUsize::new(0),
241 request_full_sync: AtomicBool::new(false),
245 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
246 fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, msgs::LightningError> {
247 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
249 fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, msgs::LightningError> {
250 self.chan_anns_recvd.fetch_add(1, Ordering::AcqRel);
251 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
253 fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, msgs::LightningError> {
254 self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
255 Err(msgs::LightningError { err: "".to_owned(), action: msgs::ErrorAction::IgnoreError })
257 fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
258 fn get_next_channel_announcements(&self, starting_point: u64, batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
259 let mut chan_anns = Vec::new();
260 const TOTAL_UPDS: u64 = 100;
261 let end: u64 = cmp::min(starting_point + batch_amount as u64, TOTAL_UPDS - self.chan_anns_sent.load(Ordering::Acquire) as u64);
262 for i in starting_point..end {
263 let chan_upd_1 = get_dummy_channel_update(i);
264 let chan_upd_2 = get_dummy_channel_update(i);
265 let chan_ann = get_dummy_channel_announcement(i);
267 chan_anns.push((chan_ann, Some(chan_upd_1), Some(chan_upd_2)));
270 self.chan_anns_sent.fetch_add(chan_anns.len(), Ordering::AcqRel);
274 fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
278 fn should_request_full_sync(&self, _node_id: &PublicKey) -> bool {
279 self.request_full_sync.load(Ordering::Acquire)
283 pub struct TestLogger {
286 pub lines: Mutex<HashMap<(String, String), usize>>,
290 pub fn new() -> TestLogger {
291 Self::with_id("".to_owned())
293 pub fn with_id(id: String) -> TestLogger {
297 lines: Mutex::new(HashMap::new())
300 pub fn enable(&mut self, level: Level) {
303 pub fn assert_log(&self, module: String, line: String, count: usize) {
304 let log_entries = self.lines.lock().unwrap();
305 assert_eq!(log_entries.get(&(module, line)), Some(&count));
308 /// Search for the number of occurrence of the logged lines which
309 /// 1. belongs to the specified module and
310 /// 2. contains `line` in it.
311 /// And asserts if the number of occurrences is the same with the given `count`
312 pub fn assert_log_contains(&self, module: String, line: String, count: usize) {
313 let log_entries = self.lines.lock().unwrap();
314 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
315 m == &module && l.contains(line.as_str())
316 }).map(|(_, c) | { c }).sum();
320 /// Search for the number of occurrences of logged lines which
321 /// 1. belong to the specified module and
322 /// 2. match the given regex pattern.
323 /// Assert that the number of occurrences equals the given `count`
324 pub fn assert_log_regex(&self, module: String, pattern: regex::Regex, count: usize) {
325 let log_entries = self.lines.lock().unwrap();
326 let l: usize = log_entries.iter().filter(|&(&(ref m, ref l), _c)| {
327 m == &module && pattern.is_match(&l)
328 }).map(|(_, c) | { c }).sum();
333 impl Logger for TestLogger {
334 fn log(&self, record: &Record) {
335 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
336 if self.level >= record.level {
337 println!("{:<5} {} [{} : {}, {}] {}", record.level.to_string(), self.id, record.module_path, record.file, record.line, record.args);
342 pub struct TestKeysInterface {
343 backing: keysinterface::KeysManager,
344 pub override_session_priv: Mutex<Option<SecretKey>>,
345 pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
348 impl keysinterface::KeysInterface for TestKeysInterface {
349 type ChanKeySigner = EnforcingChannelKeys;
351 fn get_node_secret(&self) -> SecretKey { self.backing.get_node_secret() }
352 fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
353 fn get_shutdown_pubkey(&self) -> PublicKey { self.backing.get_shutdown_pubkey() }
354 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
355 EnforcingChannelKeys::new(self.backing.get_channel_keys(inbound, channel_value_satoshis))
358 fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
359 match *self.override_session_priv.lock().unwrap() {
360 Some(key) => (key.clone(), [0; 32]),
361 None => self.backing.get_onion_rand()
365 fn get_channel_id(&self) -> [u8; 32] {
366 match *self.override_channel_id_priv.lock().unwrap() {
367 Some(key) => key.clone(),
368 None => self.backing.get_channel_id()
373 impl TestKeysInterface {
374 pub fn new(seed: &[u8; 32], network: Network) -> Self {
375 let now = Duration::from_secs(genesis_block(network).header.time as u64);
377 backing: keysinterface::KeysManager::new(seed, network, now.as_secs(), now.subsec_nanos()),
378 override_session_priv: Mutex::new(None),
379 override_channel_id_priv: Mutex::new(None),
382 pub fn derive_channel_keys(&self, channel_value_satoshis: u64, user_id_1: u64, user_id_2: u64) -> EnforcingChannelKeys {
383 EnforcingChannelKeys::new(self.backing.derive_channel_keys(channel_value_satoshis, user_id_1, user_id_2))
387 pub struct TestChainWatcher {
388 pub utxo_ret: Mutex<Result<(Script, u64), ChainError>>,
391 impl TestChainWatcher {
392 pub fn new() -> Self {
393 let script = Builder::new().push_opcode(opcodes::OP_TRUE).into_script();
394 Self { utxo_ret: Mutex::new(Ok((script, u64::max_value()))) }
398 impl ChainWatchInterface for TestChainWatcher {
399 fn install_watch_tx(&self, _txid: &Txid, _script_pub_key: &Script) { }
400 fn install_watch_outpoint(&self, _outpoint: (Txid, u32), _out_script: &Script) { }
401 fn watch_all_txn(&self) { }
402 fn filter_block<'a>(&self, _block: &'a Block) -> Vec<usize> {
405 fn reentered(&self) -> usize { 0 }
407 fn get_chain_utxo(&self, _genesis_hash: BlockHash, _unspent_tx_output_identifier: u64) -> Result<(Script, u64), ChainError> {
408 self.utxo_ret.lock().unwrap().clone()