]> git.bitcoin.ninja Git - rust-lightning/commitdiff
set user_channel_id in accept_inbound_channel fn
authorOmar Shamardy <shamardy@yahoo.com>
Thu, 24 Mar 2022 00:00:31 +0000 (02:00 +0200)
committerOmar Shamardy <shamardy@yahoo.com>
Fri, 25 Mar 2022 03:39:58 +0000 (05:39 +0200)
fix docs

edit user_channel_id docs for Event::ChannelClosed

review fixes

lightning/src/ln/channel.rs
lightning/src/ln/channelmanager.rs
lightning/src/ln/functional_tests.rs
lightning/src/util/events.rs

index 71e0ea121a929f2533c3af47714a50264e83b962..17f1976364859cdc973f5ec17f6ba4cafe835651 100644 (file)
@@ -4745,7 +4745,7 @@ impl<Signer: Sign> Channel<Signer> {
        /// should be sent back to the counterparty node.
        ///
        /// [`msgs::AcceptChannel`]: crate::ln::msgs::AcceptChannel
-       pub fn accept_inbound_channel(&mut self) -> msgs::AcceptChannel {
+       pub fn accept_inbound_channel(&mut self, user_id: u64) -> msgs::AcceptChannel {
                if self.is_outbound() {
                        panic!("Tried to send accept_channel for an outbound channel?");
                }
@@ -4759,6 +4759,7 @@ impl<Signer: Sign> Channel<Signer> {
                        panic!("The inbound channel has already been accepted");
                }
 
+               self.user_id = user_id;
                self.inbound_awaiting_accept = false;
 
                self.generate_accept_channel_message()
@@ -6420,7 +6421,7 @@ mod tests {
                let mut node_b_chan = Channel::<EnforcingSigner>::new_from_req(&&feeest, &&keys_provider, node_b_node_id, &InitFeatures::known(), &open_channel_msg, 7, &config, 0, &&logger, 42).unwrap();
 
                // Node B --> Node A: accept channel, explicitly setting B's dust limit.
-               let mut accept_channel_msg = node_b_chan.accept_inbound_channel();
+               let mut accept_channel_msg = node_b_chan.accept_inbound_channel(0);
                accept_channel_msg.dust_limit_satoshis = 546;
                node_a_chan.accept_channel(&accept_channel_msg, &config.peer_channel_config_limits, &InitFeatures::known()).unwrap();
                node_a_chan.holder_dust_limit_satoshis = 1560;
@@ -6538,7 +6539,7 @@ mod tests {
                let mut node_b_chan = Channel::<EnforcingSigner>::new_from_req(&&feeest, &&keys_provider, node_b_node_id, &InitFeatures::known(), &open_channel_msg, 7, &config, 0, &&logger, 42).unwrap();
 
                // Node B --> Node A: accept channel
-               let accept_channel_msg = node_b_chan.accept_inbound_channel();
+               let accept_channel_msg = node_b_chan.accept_inbound_channel(0);
                node_a_chan.accept_channel(&accept_channel_msg, &config.peer_channel_config_limits, &InitFeatures::known()).unwrap();
 
                // Node A --> Node B: funding created
index 0d1ee4fb07cae6ad2cad127382764a8b1da939c9..adf9841f7f356dbca1b511de513de8454079fa30 100644 (file)
@@ -4287,8 +4287,13 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
        ///
        /// The `temporary_channel_id` parameter indicates which inbound channel should be accepted.
        ///
-       /// [`Event::OpenChannelRequest`]: crate::util::events::Event::OpenChannelRequest
-       pub fn accept_inbound_channel(&self, temporary_channel_id: &[u8; 32]) -> Result<(), APIError> {
+       /// For inbound channels, the `user_channel_id` parameter will be provided back in
+       /// [`Event::ChannelClosed::user_channel_id`] to allow tracking of which events correspond
+       /// with which `accept_inbound_channel` call.
+       ///
+       /// [`Event::OpenChannelRequest`]: events::Event::OpenChannelRequest
+       /// [`Event::ChannelClosed::user_channel_id`]: events::Event::ChannelClosed::user_channel_id
+       pub fn accept_inbound_channel(&self, temporary_channel_id: &[u8; 32], user_channel_id: u64) -> Result<(), APIError> {
                let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(&self.total_consistency_lock, &self.persistence_notifier);
 
                let mut channel_state_lock = self.channel_state.lock().unwrap();
@@ -4300,7 +4305,7 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                                }
                                channel_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
                                        node_id: channel.get().get_counterparty_node_id(),
-                                       msg: channel.get_mut().accept_inbound_channel(),
+                                       msg: channel.get_mut().accept_inbound_channel(user_channel_id),
                                });
                        }
                        hash_map::Entry::Vacant(_) => {
@@ -4341,7 +4346,7 @@ impl<Signer: Sign, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelMana
                                if !self.default_configuration.manually_accept_inbound_channels {
                                        channel_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
                                                node_id: counterparty_node_id.clone(),
-                                               msg: channel.accept_inbound_channel(),
+                                               msg: channel.accept_inbound_channel(0),
                                        });
                                } else {
                                        let mut pending_events = self.pending_events.lock().unwrap();
index 05d42fba28bbd5980a92c398dd12254f60dec122..525b4f33c438f0c01fda291ae90fbdab4f2c7867 100644 (file)
@@ -8110,7 +8110,7 @@ fn test_manually_accept_inbound_channel_request() {
        let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(manually_accept_conf.clone())]);
        let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
-       nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(manually_accept_conf)).unwrap();
+       let temp_channel_id = nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(manually_accept_conf)).unwrap();
        let res = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
 
        nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &res);
@@ -8122,7 +8122,7 @@ fn test_manually_accept_inbound_channel_request() {
        let events = nodes[1].node.get_and_clear_pending_events();
        match events[0] {
                Event::OpenChannelRequest { temporary_channel_id, .. } => {
-                       nodes[1].node.accept_inbound_channel(&temporary_channel_id).unwrap();
+                       nodes[1].node.accept_inbound_channel(&temporary_channel_id, 23).unwrap();
                }
                _ => panic!("Unexpected event"),
        }
@@ -8136,6 +8136,19 @@ fn test_manually_accept_inbound_channel_request() {
                }
                _ => panic!("Unexpected event"),
        }
+
+       nodes[1].node.force_close_channel(&temp_channel_id).unwrap();
+
+       let close_msg_ev = nodes[1].node.get_and_clear_pending_msg_events();
+       assert_eq!(close_msg_ev.len(), 1);
+
+       let events = nodes[1].node.get_and_clear_pending_events();
+       match events[0] {
+               Event::ChannelClosed { user_channel_id, .. } => {
+                       assert_eq!(user_channel_id, 23);
+               }
+               _ => panic!("Unexpected event"),
+       }
 }
 
 #[test]
@@ -8259,8 +8272,8 @@ fn test_can_not_accept_inbound_channel_twice() {
        let events = nodes[1].node.get_and_clear_pending_events();
        match events[0] {
                Event::OpenChannelRequest { temporary_channel_id, .. } => {
-                       nodes[1].node.accept_inbound_channel(&temporary_channel_id).unwrap();
-                       let api_res = nodes[1].node.accept_inbound_channel(&temporary_channel_id);
+                       nodes[1].node.accept_inbound_channel(&temporary_channel_id, 0).unwrap();
+                       let api_res = nodes[1].node.accept_inbound_channel(&temporary_channel_id, 0);
                        match api_res {
                                Err(APIError::APIMisuseError { err }) => {
                                        assert_eq!(err, "The channel isn't currently awaiting to be accepted.");
@@ -8292,7 +8305,7 @@ fn test_can_not_accept_unknown_inbound_channel() {
        let node = create_network(1, &node_cfg, &node_chanmgr)[0].node;
 
        let unknown_channel_id = [0; 32];
-       let api_res = node.accept_inbound_channel(&unknown_channel_id);
+       let api_res = node.accept_inbound_channel(&unknown_channel_id, 0);
        match api_res {
                Err(APIError::ChannelUnavailable { err }) => {
                        assert_eq!(err, "Can't accept a channel that doesn't exist");
index 623b2ea01acb9cf623bc2a4f7bd73e8f32a404ce..c86df5dff693f540baca838ca77fafc05e379b99 100644 (file)
@@ -365,11 +365,15 @@ pub enum Event {
                /// The channel_id of the channel which has been closed. Note that on-chain transactions
                /// resolving the channel are likely still awaiting confirmation.
                channel_id: [u8; 32],
-               /// The `user_channel_id` value passed in to [`ChannelManager::create_channel`], or 0 for
-               /// an inbound channel. This will always be zero for objects serialized with LDK versions
-               /// prior to 0.0.102.
+               /// The `user_channel_id` value passed in to [`ChannelManager::create_channel`] for outbound
+               /// channels, or to [`ChannelManager::accept_inbound_channel`] for inbound channels if
+               /// [`UserConfig::manually_accept_inbound_channels`] config flag is set to true. Otherwise
+               /// `user_channel_id` will be 0 for an inbound channel.
+               /// This will always be zero for objects serialized with LDK versions prior to 0.0.102.
                ///
                /// [`ChannelManager::create_channel`]: crate::ln::channelmanager::ChannelManager::create_channel
+               /// [`ChannelManager::accept_inbound_channel`]: crate::ln::channelmanager::ChannelManager::accept_inbound_channel
+               /// [`UserConfig::manually_accept_inbound_channels`]: crate::util::config::UserConfig::manually_accept_inbound_channels
                user_channel_id: u64,
                /// The reason the channel was closed.
                reason: ClosureReason