Note when we're allowed to unwrap channel parameters in docs
[rust-lightning] / lightning / src / ln / channelmanager.rs
index 775a51afc1f31a9c2dc254f9e81dcf5960512983..3f6a2a6b20dfcc692df81fad93ac93c4d37a068e 100644 (file)
@@ -3549,19 +3549,10 @@ where
        /// wait until you receive either a [`Event::PaymentFailed`] or [`Event::PaymentSent`] event to
        /// determine the ultimate status of a payment.
        ///
-       /// # Requested Invoices
-       ///
-       /// In the case of paying a [`Bolt12Invoice`], abandoning the payment prior to receiving the
-       /// invoice will result in an [`Event::InvoiceRequestFailed`] and prevent any attempts at paying
-       /// it once received. The other events may only be generated once the invoice has been received.
-       ///
        /// # Restart Behavior
        ///
        /// If an [`Event::PaymentFailed`] is generated and we restart without first persisting the
-       /// [`ChannelManager`], another [`Event::PaymentFailed`] may be generated; likewise for
-       /// [`Event::InvoiceRequestFailed`].
-       ///
-       /// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
+       /// [`ChannelManager`], another [`Event::PaymentFailed`] may be generated.
        pub fn abandon_payment(&self, payment_id: PaymentId) {
                let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
                self.pending_outbound_payments.abandon_payment(payment_id, PaymentFailureReason::UserAbandoned, &self.pending_events);
@@ -3902,7 +3893,7 @@ where
                                btree_map::Entry::Vacant(vacant) => Some(vacant.insert(Vec::new())),
                        }
                });
-               for (channel_idx, &(temporary_channel_id, counterparty_node_id)) in temporary_channels.iter().enumerate() {
+               for &(temporary_channel_id, counterparty_node_id) in temporary_channels.iter() {
                        result = result.and_then(|_| self.funding_transaction_generated_intern(
                                temporary_channel_id,
                                counterparty_node_id,
@@ -6984,8 +6975,7 @@ where
        fn maybe_generate_initial_closing_signed(&self) -> bool {
                let mut handle_errors: Vec<(PublicKey, Result<(), _>)> = Vec::new();
                let mut has_update = false;
-               let mut shutdown_result = None;
-               let mut unbroadcasted_batch_funding_txid = None;
+               let mut shutdown_results = Vec::new();
                {
                        let per_peer_state = self.per_peer_state.read().unwrap();
 
@@ -6996,7 +6986,7 @@ where
                                peer_state.channel_by_id.retain(|channel_id, phase| {
                                        match phase {
                                                ChannelPhase::Funded(chan) => {
-                                                       unbroadcasted_batch_funding_txid = chan.context.unbroadcasted_batch_funding_txid();
+                                                       let unbroadcasted_batch_funding_txid = chan.context.unbroadcasted_batch_funding_txid();
                                                        match chan.maybe_propose_closing_signed(&self.fee_estimator, &self.logger) {
                                                                Ok((msg_opt, tx_opt)) => {
                                                                        if let Some(msg) = msg_opt {
@@ -7019,7 +7009,7 @@ where
                                                                                log_info!(self.logger, "Broadcasting {}", log_tx!(tx));
                                                                                self.tx_broadcaster.broadcast_transactions(&[&tx]);
                                                                                update_maps_on_chan_removal!(self, &chan.context);
-                                                                               shutdown_result = Some((None, Vec::new(), unbroadcasted_batch_funding_txid));
+                                                                               shutdown_results.push((None, Vec::new(), unbroadcasted_batch_funding_txid));
                                                                                false
                                                                        } else { true }
                                                                },
@@ -7041,7 +7031,7 @@ where
                        let _ = handle_error!(self, err, counterparty_node_id);
                }
 
-               if let Some(shutdown_result) = shutdown_result {
+               for shutdown_result in shutdown_results.drain(..) {
                        self.finish_close_channel(shutdown_result);
                }