Handle monotonic clock going backwards during runtime
[rust-lightning] / lightning / src / util / test_utils.rs
index 299291586e6cf990339267d4aeb596a6c715d816..9306fb254f42f8c071d7b6880b22b00bb072fd2d 100644 (file)
@@ -18,8 +18,7 @@ use chain::channelmonitor::MonitorEvent;
 use chain::transaction::OutPoint;
 use chain::keysinterface;
 use ln::features::{ChannelFeatures, InitFeatures};
-use ln::msgs;
-use ln::msgs::OptionalField;
+use ln::{msgs, wire};
 use ln::script::ShutdownScript;
 use routing::scoring::FixedPenaltyScorer;
 use util::enforcing_trait_impls::{EnforcingSigner, EnforcementState};
@@ -31,7 +30,7 @@ use bitcoin::blockdata::constants::genesis_block;
 use bitcoin::blockdata::transaction::{Transaction, TxOut};
 use bitcoin::blockdata::script::{Builder, Script};
 use bitcoin::blockdata::opcodes;
-use bitcoin::blockdata::block::BlockHeader;
+use bitcoin::blockdata::block::Block;
 use bitcoin::network::constants::Network;
 use bitcoin::hash_types::{BlockHash, Txid};
 
@@ -116,6 +115,11 @@ impl<'a> TestChainMonitor<'a> {
                        expect_channel_force_closed: Mutex::new(None),
                }
        }
+
+       pub fn complete_sole_pending_chan_update(&self, channel_id: &[u8; 32]) {
+               let (outpoint, _, latest_update) = self.latest_monitor_update_id.lock().unwrap().get(channel_id).unwrap().clone();
+               self.chain_monitor.channel_monitor_updated(outpoint, latest_update).unwrap();
+       }
 }
 impl<'a> chain::Watch<EnforcingSigner> for TestChainMonitor<'a> {
        fn watch_channel(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingSigner>) -> Result<(), chain::ChannelMonitorUpdateErr> {
@@ -164,7 +168,7 @@ impl<'a> chain::Watch<EnforcingSigner> for TestChainMonitor<'a> {
                update_res
        }
 
-       fn release_pending_monitor_events(&self) -> Vec<MonitorEvent> {
+       fn release_pending_monitor_events(&self) -> Vec<(OutPoint, Vec<MonitorEvent>, Option<PublicKey>)> {
                return self.chain_monitor.release_pending_monitor_events();
        }
 }
@@ -224,11 +228,11 @@ impl<Signer: keysinterface::Sign> chainmonitor::Persist<Signer> for TestPersiste
 
 pub struct TestBroadcaster {
        pub txn_broadcasted: Mutex<Vec<Transaction>>,
-       pub blocks: Arc<Mutex<Vec<(BlockHeader, u32)>>>,
+       pub blocks: Arc<Mutex<Vec<(Block, u32)>>>,
 }
 
 impl TestBroadcaster {
-       pub fn new(blocks: Arc<Mutex<Vec<(BlockHeader, u32)>>>) -> TestBroadcaster {
+       pub fn new(blocks: Arc<Mutex<Vec<(Block, u32)>>>) -> TestBroadcaster {
                TestBroadcaster { txn_broadcasted: Mutex::new(Vec::new()), blocks }
        }
 }
@@ -249,37 +253,106 @@ impl chaininterface::BroadcasterInterface for TestBroadcaster {
 
 pub struct TestChannelMessageHandler {
        pub pending_events: Mutex<Vec<events::MessageSendEvent>>,
+       expected_recv_msgs: Mutex<Option<Vec<wire::Message<()>>>>,
 }
 
 impl TestChannelMessageHandler {
        pub fn new() -> Self {
                TestChannelMessageHandler {
                        pending_events: Mutex::new(Vec::new()),
+                       expected_recv_msgs: Mutex::new(None),
+               }
+       }
+
+       #[cfg(test)]
+       pub(crate) fn expect_receive_msg(&self, ev: wire::Message<()>) {
+               let mut expected_msgs = self.expected_recv_msgs.lock().unwrap();
+               if expected_msgs.is_none() { *expected_msgs = Some(Vec::new()); }
+               expected_msgs.as_mut().unwrap().push(ev);
+       }
+
+       fn received_msg(&self, _ev: wire::Message<()>) {
+               let mut msgs = self.expected_recv_msgs.lock().unwrap();
+               if msgs.is_none() { return; }
+               assert!(!msgs.as_ref().unwrap().is_empty(), "Received message when we weren't expecting one");
+               #[cfg(test)]
+               assert_eq!(msgs.as_ref().unwrap()[0], _ev);
+               msgs.as_mut().unwrap().remove(0);
+       }
+}
+
+impl Drop for TestChannelMessageHandler {
+       fn drop(&mut self) {
+               let l = self.expected_recv_msgs.lock().unwrap();
+               #[cfg(feature = "std")]
+               {
+                       if !std::thread::panicking() {
+                               assert!(l.is_none() || l.as_ref().unwrap().is_empty());
+                       }
                }
        }
 }
 
 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
-       fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::OpenChannel) {}
-       fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, _msg: &msgs::AcceptChannel) {}
-       fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) {}
-       fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) {}
-       fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) {}
-       fn handle_shutdown(&self, _their_node_id: &PublicKey, _their_features: &InitFeatures, _msg: &msgs::Shutdown) {}
-       fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) {}
-       fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) {}
-       fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) {}
-       fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) {}
-       fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) {}
-       fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) {}
-       fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) {}
-       fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) {}
-       fn handle_channel_update(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelUpdate) {}
-       fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) {}
-       fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) {}
+       fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, msg: &msgs::OpenChannel) {
+               self.received_msg(wire::Message::OpenChannel(msg.clone()));
+       }
+       fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_features: InitFeatures, msg: &msgs::AcceptChannel) {
+               self.received_msg(wire::Message::AcceptChannel(msg.clone()));
+       }
+       fn handle_funding_created(&self, _their_node_id: &PublicKey, msg: &msgs::FundingCreated) {
+               self.received_msg(wire::Message::FundingCreated(msg.clone()));
+       }
+       fn handle_funding_signed(&self, _their_node_id: &PublicKey, msg: &msgs::FundingSigned) {
+               self.received_msg(wire::Message::FundingSigned(msg.clone()));
+       }
+       fn handle_channel_ready(&self, _their_node_id: &PublicKey, msg: &msgs::ChannelReady) {
+               self.received_msg(wire::Message::ChannelReady(msg.clone()));
+       }
+       fn handle_shutdown(&self, _their_node_id: &PublicKey, _their_features: &InitFeatures, msg: &msgs::Shutdown) {
+               self.received_msg(wire::Message::Shutdown(msg.clone()));
+       }
+       fn handle_closing_signed(&self, _their_node_id: &PublicKey, msg: &msgs::ClosingSigned) {
+               self.received_msg(wire::Message::ClosingSigned(msg.clone()));
+       }
+       fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) {
+               self.received_msg(wire::Message::UpdateAddHTLC(msg.clone()));
+       }
+       fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) {
+               self.received_msg(wire::Message::UpdateFulfillHTLC(msg.clone()));
+       }
+       fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) {
+               self.received_msg(wire::Message::UpdateFailHTLC(msg.clone()));
+       }
+       fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) {
+               self.received_msg(wire::Message::UpdateFailMalformedHTLC(msg.clone()));
+       }
+       fn handle_commitment_signed(&self, _their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) {
+               self.received_msg(wire::Message::CommitmentSigned(msg.clone()));
+       }
+       fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) {
+               self.received_msg(wire::Message::RevokeAndACK(msg.clone()));
+       }
+       fn handle_update_fee(&self, _their_node_id: &PublicKey, msg: &msgs::UpdateFee) {
+               self.received_msg(wire::Message::UpdateFee(msg.clone()));
+       }
+       fn handle_channel_update(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelUpdate) {
+               // Don't call `received_msg` here as `TestRoutingMessageHandler` generates these sometimes
+       }
+       fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) {
+               self.received_msg(wire::Message::AnnouncementSignatures(msg.clone()));
+       }
+       fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) {
+               self.received_msg(wire::Message::ChannelReestablish(msg.clone()));
+       }
        fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
-       fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {}
-       fn handle_error(&self, _their_node_id: &PublicKey, _msg: &msgs::ErrorMessage) {}
+       fn peer_connected(&self, _their_node_id: &PublicKey, _msg: &msgs::Init) {
+               // Don't bother with `received_msg` for Init as its auto-generated and we don't want to
+               // bother re-generating the expected Init message in all tests.
+       }
+       fn handle_error(&self, _their_node_id: &PublicKey, msg: &msgs::ErrorMessage) {
+               self.received_msg(wire::Message::Error(msg.clone()));
+       }
 }
 
 impl events::MessageSendEventsProvider for TestChannelMessageHandler {
@@ -333,7 +406,7 @@ fn get_dummy_channel_update(short_chan_id: u64) -> msgs::ChannelUpdate {
                        flags: 0,
                        cltv_expiry_delta: 0,
                        htlc_minimum_msat: 0,
-                       htlc_maximum_msat: OptionalField::Absent,
+                       htlc_maximum_msat: msgs::MAX_VALUE_MSAT,
                        fee_base_msat: 0,
                        fee_proportional_millionths: 0,
                        excess_data: vec![],