Merge pull request #509 from valentinewallace/chanmgr-tx-broadcaster-to-deref
[rust-lightning] / lightning / src / util / test_utils.rs
index cd2064a4ea330cacc824a6dc453c371f96acaf61..2b3dea9369303b5345c7c59dc0d07f8141aced88 100644 (file)
@@ -23,7 +23,7 @@ use secp256k1::{SecretKey, PublicKey};
 use std::time::{SystemTime, UNIX_EPOCH};
 use std::sync::{Arc,Mutex};
 use std::{mem};
-use std::collections::HashMap;
+use std::collections::{HashMap, HashSet};
 
 pub struct TestVecWriter(pub Vec<u8>);
 impl Writer for TestVecWriter {
@@ -45,13 +45,13 @@ impl chaininterface::FeeEstimator for TestFeeEstimator {
        }
 }
 
-pub struct TestChannelMonitor {
+pub struct TestChannelMonitor<'a> {
        pub added_monitors: Mutex<Vec<(OutPoint, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>>,
-       pub simple_monitor: channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys>,
+       pub simple_monitor: channelmonitor::SimpleManyChannelMonitor<OutPoint, EnforcingChannelKeys, &'a chaininterface::BroadcasterInterface>,
        pub update_ret: Mutex<Result<(), channelmonitor::ChannelMonitorUpdateErr>>,
 }
-impl TestChannelMonitor {
-       pub fn new(chain_monitor: Arc<chaininterface::ChainWatchInterface>, broadcaster: Arc<chaininterface::BroadcasterInterface>, logger: Arc<Logger>, fee_estimator: Arc<chaininterface::FeeEstimator>) -> Self {
+impl<'a> TestChannelMonitor<'a> {
+       pub fn new(chain_monitor: Arc<chaininterface::ChainWatchInterface>, broadcaster: &'a chaininterface::BroadcasterInterface, logger: Arc<Logger>, fee_estimator: Arc<chaininterface::FeeEstimator>) -> Self {
                Self {
                        added_monitors: Mutex::new(Vec::new()),
                        simple_monitor: channelmonitor::SimpleManyChannelMonitor::new(chain_monitor, broadcaster, logger, fee_estimator),
@@ -59,7 +59,7 @@ impl TestChannelMonitor {
                }
        }
 }
-impl channelmonitor::ManyChannelMonitor<EnforcingChannelKeys> for TestChannelMonitor {
+impl<'a> channelmonitor::ManyChannelMonitor<EnforcingChannelKeys> for TestChannelMonitor<'a> {
        fn add_update_monitor(&self, funding_txo: OutPoint, monitor: channelmonitor::ChannelMonitor<EnforcingChannelKeys>) -> Result<(), channelmonitor::ChannelMonitorUpdateErr> {
                // At every point where we get a monitor update, we should be able to send a useful monitor
                // to a watchtower and disk...
@@ -74,16 +74,26 @@ impl channelmonitor::ManyChannelMonitor<EnforcingChannelKeys> for TestChannelMon
                self.update_ret.lock().unwrap().clone()
        }
 
-       fn fetch_pending_htlc_updated(&self) -> Vec<HTLCUpdate> {
-               return self.simple_monitor.fetch_pending_htlc_updated();
+       fn get_and_clear_pending_htlcs_updated(&self) -> Vec<HTLCUpdate> {
+               return self.simple_monitor.get_and_clear_pending_htlcs_updated();
        }
 }
 
 pub struct TestBroadcaster {
        pub txn_broadcasted: Mutex<Vec<Transaction>>,
+       pub broadcasted_txn: Mutex<HashSet<Sha256dHash>> // Temporary field while refactoring out tx duplication
 }
 impl chaininterface::BroadcasterInterface for TestBroadcaster {
        fn broadcast_transaction(&self, tx: &Transaction) {
+               {
+                       if let Some(_) = self.broadcasted_txn.lock().unwrap().get(&tx.txid()) {
+                               // If commitment tx, HTLC-timeout or HTLC-Success, duplicate broadcast are still ok
+                               if tx.input[0].sequence == 0xfffffffd {
+                                       return;
+                               }
+                       }
+               }
+               self.broadcasted_txn.lock().unwrap().insert(tx.txid());
                self.txn_broadcasted.lock().unwrap().push(tx.clone());
        }
 }