1 use chain::chaininterface;
2 use chain::chaininterface::ConfirmationTarget;
3 use chain::transaction::OutPoint;
4 use chain::keysinterface;
5 use ln::channelmonitor;
6 use ln::features::InitFeatures;
8 use ln::msgs::LightningError;
9 use ln::channelmonitor::HTLCUpdate;
10 use util::enforcing_trait_impls::EnforcingChannelKeys;
12 use util::logger::{Logger, Level, Record};
13 use util::ser::ReadableArgs;
14 use util::ser::Writer;
16 use bitcoin::blockdata::transaction::Transaction;
17 use bitcoin::blockdata::script::Script;
18 use bitcoin_hashes::sha256d::Hash as Sha256dHash;
19 use bitcoin::network::constants::Network;
21 use secp256k1::{SecretKey, PublicKey};
23 use std::time::{SystemTime, UNIX_EPOCH};
24 use std::sync::{Arc,Mutex};
26 use std::collections::{HashMap, HashSet};
28 pub struct TestVecWriter(pub Vec<u8>);
29 impl Writer for TestVecWriter {
30 fn write_all(&mut self, buf: &[u8]) -> Result<(), ::std::io::Error> {
31 self.0.extend_from_slice(buf);
34 fn size_hint(&mut self, size: usize) {
35 self.0.reserve_exact(size);
39 pub struct TestFeeEstimator {
42 impl chaininterface::FeeEstimator for TestFeeEstimator {
43 fn get_est_sat_per_1000_weight(&self, _confirmation_target: ConfirmationTarget) -> u64 {
48 pub struct TestChannelMonitor {
49 pub added_monitors: Mutex<Vec<(OutPoint, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>>,
50 pub simple_monitor: channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys>,
51 pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>,
53 impl TestChannelMonitor {
54 pub fn new(chain_monitor: Arc<chaininterface::ChainWatchInterface>, broadcaster: Arc<chaininterface::BroadcasterInterface>, logger: Arc<Logger>, fee_estimator: Arc<chaininterface::FeeEstimator>) -> Self {
56 added_monitors: Mutex::new(Vec::new()),
57 simple_monitor: channelmonitor::SimpleManyChannelMonitor::new(chain_monitor, broadcaster, logger, fee_estimator),
58 update_ret: Mutex::new(Ok(())),
62 impl channelmonitor::ManyChannelMonitor<EnforcingChannelKeys> for TestChannelMonitor {
63 fn add_update_monitor(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingChannelKeys>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
64 // At every point where we get a monitor update, we should be able to send a useful monitor
65 // to a watchtower and disk...
66 let mut w = TestVecWriter(Vec::new());
67 monitor.write_for_disk(&mut w).unwrap();
68 assert!(<(Sha256dHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
69 &mut ::std::io::Cursor::new(&w.0), Arc::new(TestLogger::new())).unwrap().1 == monitor);
71 monitor.write_for_watchtower(&mut w).unwrap(); // This at least shouldn't crash...
72 self.added_monitors.lock().unwrap().push((funding_txo, monitor.clone()));
73 assert!(self.simple_monitor.add_update_monitor(funding_txo, monitor).is_ok());
74 self.update_ret.lock().unwrap().clone()
77 fn fetch_pending_htlc_updated(&self) -> Vec<HTLCUpdate> {
78 return self.simple_monitor.fetch_pending_htlc_updated();
82 pub struct TestBroadcaster {
83 pub txn_broadcasted: Mutex<Vec<Transaction>>,
84 pub broadcasted_txn: Mutex<HashSet<Sha256dHash>> // Temporary field while refactoring out tx duplication
86 impl chaininterface::BroadcasterInterface for TestBroadcaster {
87 fn broadcast_transaction(&self, tx: &Transaction) {
89 if let Some(_) = self.broadcasted_txn.lock().unwrap().get(&tx.txid()) {
90 // If commitment tx, HTLC-timeout or HTLC-Success, duplicate broadcast are still ok
91 if tx.input[0].sequence == 0xfffffffd {
96 self.broadcasted_txn.lock().unwrap().insert(tx.txid());
97 self.txn_broadcasted.lock().unwrap().push(tx.clone());
101 pub struct TestChannelMessageHandler {
102 pub pending_events: Mutex<Vec<events::MessageSendEvent>>,
105 impl TestChannelMessageHandler {
106 pub fn new() -> Self {
107 TestChannelMessageHandler {
108 pending_events: Mutex::new(Vec::new()),
113 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
114 fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
115 fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
116 fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
117 fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
118 fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
119 fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &msgs::Shutdown) {}
120 fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) {}
121 fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) {}
122 fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) {}
123 fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) {}
124 fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) {}
125 fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) {}
126 fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) {}
127 fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) {}
128 fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
129 fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
130 fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
131 fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
132 fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
135 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
136 fn get_and_clear_pending_msg_events(&self) -> Vec<events::MessageSendEvent> {
137 let mut pending_events = self.pending_events.lock().unwrap();
138 let mut ret = Vec::new();
139 mem::swap(&mut ret, &mut *pending_events);
144 pub struct TestRoutingMessageHandler {}
146 impl TestRoutingMessageHandler {
147 pub fn new() -> Self {
148 TestRoutingMessageHandler {}
151 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
152 fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, LightningError> {
153 Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
155 fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, LightningError> {
156 Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
158 fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, LightningError> {
159 Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
161 fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
162 fn get_next_channel_announcements(&self, _starting_point: u64, _batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, msgs::ChannelUpdate,msgs::ChannelUpdate)> {
165 fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> {
168 fn should_request_full_sync(&self, _node_id: &PublicKey) -> bool {
173 pub struct TestLogger {
176 pub lines: Mutex<HashMap<(String, String), usize>>,
180 pub fn new() -> TestLogger {
181 Self::with_id("".to_owned())
183 pub fn with_id(id: String) -> TestLogger {
187 lines: Mutex::new(HashMap::new())
190 pub fn enable(&mut self, level: Level) {
193 pub fn assert_log(&self, module: String, line: String, count: usize) {
194 let log_entries = self.lines.lock().unwrap();
195 assert_eq!(log_entries.get(&(module, line)), Some(&count));
199 impl Logger for TestLogger {
200 fn log(&self, record: &Record) {
201 *self.lines.lock().unwrap().entry((record.module_path.to_string(), format!("{}", record.args))).or_insert(0) += 1;
202 if self.level >= record.level {
203 println!("{:<5} {} [{} : {}, {}] {}", record.level.to_string(), self.id, record.module_path, record.file, record.line, record.args);
208 pub struct TestKeysInterface {
209 backing: keysinterface::KeysManager,
210 pub override_session_priv: Mutex<Option<SecretKey>>,
211 pub override_channel_id_priv: Mutex<Option<[u8; 32]>>,
214 impl keysinterface::KeysInterface for TestKeysInterface {
215 type ChanKeySigner = EnforcingChannelKeys;
217 fn get_node_secret(&self) -> SecretKey { self.backing.get_node_secret() }
218 fn get_destination_script(&self) -> Script { self.backing.get_destination_script() }
219 fn get_shutdown_pubkey(&self) -> PublicKey { self.backing.get_shutdown_pubkey() }
220 fn get_channel_keys(&self, inbound: bool, channel_value_satoshis: u64) -> EnforcingChannelKeys {
221 EnforcingChannelKeys::new(self.backing.get_channel_keys(inbound, channel_value_satoshis))
224 fn get_onion_rand(&self) -> (SecretKey, [u8; 32]) {
225 match *self.override_session_priv.lock().unwrap() {
226 Some(key) => (key.clone(), [0; 32]),
227 None => self.backing.get_onion_rand()
231 fn get_channel_id(&self) -> [u8; 32] {
232 match *self.override_channel_id_priv.lock().unwrap() {
233 Some(key) => key.clone(),
234 None => self.backing.get_channel_id()
239 impl TestKeysInterface {
240 pub fn new(seed: &[u8; 32], network: Network, logger: Arc<Logger>) -> Self {
241 let now = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards");
243 backing: keysinterface::KeysManager::new(seed, network, logger, now.as_secs(), now.subsec_nanos()),
244 override_session_priv: Mutex::new(None),
245 override_channel_id_priv: Mutex::new(None),