/// channel's monitor everywhere (including remote watchtowers) *before* this function returns. If
/// an update occurs and a remote watchtower is left with old state, it may broadcast transactions
/// which we have revoked, allowing our counterparty to claim all funds in the channel!
+///
+/// User needs to notify implementors of ManyChannelMonitor when a new block is connected or
+/// disconnected using their `block_connected` and `block_disconnected` methods. However, rather
+/// than calling these methods directly, the user should register implementors as listeners to the
+/// BlockNotifier and call the BlockNotifier's `block_(dis)connected` methods, which will notify
+/// all registered listeners in one go.
pub trait ManyChannelMonitor: Send + Sync {
/// Adds or updates a monitor for the given `funding_txo`.
///
fee_estimator: Arc<FeeEstimator>
}
-impl<Key : Send + cmp::Eq + hash::Hash> ChainListener for SimpleManyChannelMonitor<Key> {
+impl<'a, Key : Send + cmp::Eq + hash::Hash> ChainListener for SimpleManyChannelMonitor<Key> {
+
fn block_connected(&self, header: &BlockHeader, height: u32, txn_matched: &[&Transaction], _indexes_of_txn_matched: &[u32]) {
let block_hash = header.bitcoin_hash();
let mut new_events: Vec<events::Event> = Vec::with_capacity(0);
logger,
fee_estimator: feeest,
});
- let weak_res = Arc::downgrade(&res);
- res.chain_monitor.register_listener(weak_res);
+
res
}
};
if funding_txo.is_none() || (prevout.txid == funding_txo.as_ref().unwrap().0.txid && prevout.vout == funding_txo.as_ref().unwrap().0.index as u32) {
if (tx.input[0].sequence >> 8*3) as u8 == 0x80 && (tx.lock_time >> 8*3) as u8 == 0x20 {
- let (remote_txn, new_outputs, mut spendable_output) = self.check_spend_remote_transaction(tx, height, fee_estimator);
+ let (remote_txn, new_outputs, mut spendable_output) = self.check_spend_remote_transaction(&tx, height, fee_estimator);
txn = remote_txn;
spendable_outputs.append(&mut spendable_output);
if !new_outputs.1.is_empty() {
watch_outputs.push(new_outputs);
}
if txn.is_empty() {
- let (local_txn, mut spendable_output, new_outputs) = self.check_spend_local_transaction(tx, height);
+ let (local_txn, mut spendable_output, new_outputs) = self.check_spend_local_transaction(&tx, height);
spendable_outputs.append(&mut spendable_output);
txn = local_txn;
if !new_outputs.1.is_empty() {
}
}
if !funding_txo.is_none() && txn.is_empty() {
- if let Some(spendable_output) = self.check_spend_closing_transaction(tx) {
+ if let Some(spendable_output) = self.check_spend_closing_transaction(&tx) {
spendable_outputs.push(spendable_output);
}
}
} else {
if let Some(&(commitment_number, _)) = self.remote_commitment_txn_on_chain.get(&prevout.txid) {
- let (tx, spendable_output) = self.check_spend_remote_htlc(tx, commitment_number, height, fee_estimator);
+ let (tx, spendable_output) = self.check_spend_remote_htlc(&tx, commitment_number, height, fee_estimator);
if let Some(tx) = tx {
txn.push(tx);
}
// While all commitment/HTLC-Success/HTLC-Timeout transactions have one input, HTLCs
// can also be resolved in a few other ways which can have more than one output. Thus,
// we call is_resolving_htlc_output here outside of the tx.input.len() == 1 check.
- let mut updated = self.is_resolving_htlc_output(tx, height);
+ let mut updated = self.is_resolving_htlc_output(&tx, height);
if updated.len() > 0 {
htlc_updated.append(&mut updated);
}