Merge pull request #393 from ariard/2019-11-send-cmt-error-handling
authorMatt Corallo <649246+TheBlueMatt@users.noreply.github.com>
Fri, 15 Nov 2019 21:58:37 +0000 (21:58 +0000)
committerGitHub <noreply@github.com>
Fri, 15 Nov 2019 21:58:37 +0000 (21:58 +0000)
Fulfill error handling for send_commitment in processing htlcs forward

13 files changed:
fuzz/fuzz_targets/chanmon_fail_consistency.rs
fuzz/fuzz_targets/full_stack_target.rs
src/ln/chanmon_update_fail_tests.rs
src/ln/channelmanager.rs
src/ln/channelmonitor.rs
src/ln/functional_test_utils.rs
src/ln/functional_tests.rs
src/ln/msgs.rs
src/ln/peer_channel_encryptor.rs
src/ln/peer_handler.rs
src/ln/router.rs
src/util/events.rs
src/util/test_utils.rs

index 3610b1ca6208d1ef289d47c0c28ed4ec9e6ec606..91b639eacc0674ab499c305b6a461e5e6e98b64f 100644 (file)
@@ -37,7 +37,7 @@ use lightning::ln::channelmonitor;
 use lightning::ln::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr, HTLCUpdate};
 use lightning::ln::channelmanager::{ChannelManager, PaymentHash, PaymentPreimage, ChannelManagerReadArgs};
 use lightning::ln::router::{Route, RouteHop};
-use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, HandleError, UpdateAddHTLC, LocalFeatures};
+use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, ErrorAction, LightningError, UpdateAddHTLC, LocalFeatures};
 use lightning::util::events;
 use lightning::util::logger::Logger;
 use lightning::util::config::UserConfig;
@@ -193,7 +193,7 @@ pub fn do_test(data: &[u8]) {
                        config.channel_options.fee_proportional_millionths = 0;
                        config.channel_options.announced_channel = true;
                        config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
-                       (ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config).unwrap(),
+                       (ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0).unwrap(),
                        monitor)
                } }
        }
@@ -392,7 +392,7 @@ pub fn do_test(data: &[u8]) {
                ($res: expr) => {
                        match $res {
                                Ok(()) => {},
-                               Err(HandleError { action: Some(ErrorAction::IgnoreError), .. }) => { },
+                               Err(LightningError { action: ErrorAction::IgnoreError, .. }) => { },
                                _ => { $res.unwrap() },
                        }
                }
index 6145d003b199f5007c1b563266b30dd0da2f9c1d..29220f46846a5d8063ff350cb0943d35d798d37c 100644 (file)
@@ -331,7 +331,7 @@ pub fn do_test(data: &[u8], logger: &Arc<Logger>) {
        config.channel_options.fee_proportional_millionths =  slice_to_be32(get_slice!(4));
        config.channel_options.announced_channel = get_slice!(1)[0] != 0;
        config.peer_channel_config_limits.min_dust_limit_satoshis = 0;
-       let channelmanager = ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config).unwrap();
+       let channelmanager = ChannelManager::new(Network::Bitcoin, fee_est.clone(), monitor.clone(), watch.clone(), broadcast.clone(), Arc::clone(&logger), keys_manager.clone(), config, 0).unwrap();
        let router = Arc::new(Router::new(PublicKey::from_secret_key(&Secp256k1::signing_only(), &keys_manager.get_node_secret()), watch.clone(), Arc::clone(&logger)));
 
        let peers = RefCell::new([false; 256]);
index 137d983465e339e43c7401562db38ee0f9eff932..4b8490c5b227b8c7b506ae2cc699135ffbe23f46 100644 (file)
@@ -190,7 +190,7 @@ fn do_test_monitor_temporary_update_fail(disconnect_count: usize) {
                                        _ => panic!("Unexpected event"),
                                }
 
-                               if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::IgnoreError) }) = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), commitment_signed) {
+                               if let Err(msgs::LightningError{err, action: msgs::ErrorAction::IgnoreError }) = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), commitment_signed) {
                                        assert_eq!(err, "Previous monitor update failure prevented generation of RAA");
                                } else { panic!(); }
                        }
@@ -485,7 +485,7 @@ fn test_monitor_update_fail_cs() {
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]).unwrap();
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &send_event.commitment_msg).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &send_event.commitment_msg).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        check_added_monitors!(nodes[1], 1);
@@ -515,7 +515,7 @@ fn test_monitor_update_fail_cs() {
                        assert_eq!(*node_id, nodes[0].node.get_our_node_id());
 
                        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-                       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed).unwrap_err() {
+                       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &updates.commitment_signed).unwrap_err() {
                                assert_eq!(err, "Failed to update ChannelMonitor");
                        } else { panic!(); }
                        check_added_monitors!(nodes[0], 1);
@@ -565,7 +565,7 @@ fn test_monitor_update_fail_no_rebroadcast() {
        let bs_raa = commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true, false, true);
 
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &bs_raa).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &bs_raa).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
@@ -618,12 +618,12 @@ fn test_monitor_update_raa_while_paused() {
 
        *nodes[0].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
        nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &send_event_2.msgs[0]).unwrap();
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_2.commitment_msg).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_2.commitment_msg).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        check_added_monitors!(nodes[0], 1);
 
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa).unwrap_err() {
                assert_eq!(err, "Previous monitor update failure prevented responses to RAA");
        } else { panic!(); }
        check_added_monitors!(nodes[0], 1);
@@ -704,7 +704,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 
        // Now fail monitor updating.
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_revoke_and_ack).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_revoke_and_ack).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
@@ -768,7 +768,7 @@ fn do_test_monitor_update_fail_raa(test_ignore_second_cs: bool) {
 
                send_event = SendEvent::from_event(nodes[2].node.get_and_clear_pending_msg_events().remove(0));
                nodes[1].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &send_event.msgs[0]).unwrap();
-               if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::IgnoreError) }) = nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &send_event.commitment_msg) {
+               if let Err(msgs::LightningError{err, action: msgs::ErrorAction::IgnoreError }) = nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &send_event.commitment_msg) {
                        assert_eq!(err, "Previous monitor update failure prevented generation of RAA");
                } else { panic!(); }
                assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
@@ -945,7 +945,7 @@ fn test_monitor_update_fail_reestablish() {
 
        nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish).unwrap();
 
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        check_added_monitors!(nodes[1], 1);
@@ -1033,12 +1033,12 @@ fn raa_no_response_awaiting_raa_state() {
        // then restore channel monitor updates.
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]).unwrap();
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        check_added_monitors!(nodes[1], 1);
 
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() {
                assert_eq!(err, "Previous monitor update failure prevented responses to RAA");
        } else { panic!(); }
        check_added_monitors!(nodes[1], 1);
@@ -1130,7 +1130,7 @@ fn claim_while_disconnected_monitor_update_fail() {
        // update.
        *nodes[1].chan_monitor.update_ret.lock().unwrap() = Err(ChannelMonitorUpdateErr::TemporaryFailure);
 
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        check_added_monitors!(nodes[1], 1);
@@ -1145,7 +1145,7 @@ fn claim_while_disconnected_monitor_update_fail() {
 
        let as_updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &as_updates.update_add_htlcs[0]).unwrap();
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_updates.commitment_signed).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &as_updates.commitment_signed).unwrap_err() {
                assert_eq!(err, "Previous monitor update failure prevented generation of RAA");
        } else { panic!(); }
        // Note that nodes[1] not updating monitor here is OK - it wont take action on the new HTLC
@@ -1235,7 +1235,7 @@ fn monitor_failed_no_reestablish_response() {
        assert_eq!(events.len(), 1);
        let payment_event = SendEvent::from_event(events.pop().unwrap());
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]).unwrap();
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        check_added_monitors!(nodes[1], 1);
@@ -1327,7 +1327,7 @@ fn first_message_on_recv_ordering() {
        // Deliver the final RAA for the first payment, which does not require a response. RAAs
        // generally require a commitment_signed, so the fact that we're expecting an opposite response
        // to the next message also tests resetting the delivery order.
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa).unwrap_err() {
                assert_eq!(err, "Failed to update ChannelMonitor");
        } else { panic!(); }
        check_added_monitors!(nodes[1], 1);
@@ -1336,7 +1336,7 @@ fn first_message_on_recv_ordering() {
        // RAA/CS response, which should be generated when we call test_restore_channel_monitor (with
        // the appropriate HTLC acceptance).
        nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]).unwrap();
-       if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() {
+       if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &payment_event.commitment_msg).unwrap_err() {
                assert_eq!(err, "Previous monitor update failure prevented generation of RAA");
        } else { panic!(); }
 
@@ -1597,7 +1597,7 @@ fn do_during_funding_monitor_fail(fail_on_generate: bool, restore_between_fails:
        }
        let funding_signed_res = nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id()));
        if fail_on_signed || !restore_between_fails {
-               if let msgs::HandleError { err, action: Some(msgs::ErrorAction::IgnoreError) } = funding_signed_res.unwrap_err() {
+               if let msgs::LightningError { err, action: msgs::ErrorAction::IgnoreError } = funding_signed_res.unwrap_err() {
                        if fail_on_generate && !restore_between_fails {
                                assert_eq!(err, "Previous monitor update failure prevented funding_signed from allowing funding broadcast");
                                check_added_monitors!(nodes[0], 0);
index 2edde1135db524cd8ce7585146437c0b07258422..a0e066371cb4c06fb686a4659bffe8f586329482 100644 (file)
@@ -33,7 +33,7 @@ use ln::router::Route;
 use ln::msgs;
 use ln::msgs::LocalFeatures;
 use ln::onion_utils;
-use ln::msgs::{ChannelMessageHandler, DecodeError, HandleError};
+use ln::msgs::{ChannelMessageHandler, DecodeError, LightningError};
 use chain::keysinterface::KeysInterface;
 use util::config::UserConfig;
 use util::{byte_utils, events};
@@ -118,7 +118,7 @@ impl HTLCSource {
 
 #[derive(Clone)] // See Channel::revoke_and_ack for why, tl;dr: Rust bug
 pub(super) enum HTLCFailReason {
-       ErrorPacket {
+       LightningError {
                err: msgs::OnionErrorPacket,
        },
        Reason {
@@ -143,21 +143,21 @@ type ShutdownResult = (Vec<Transaction>, Vec<(HTLCSource, PaymentHash)>);
 /// this struct and call handle_error!() on it.
 
 struct MsgHandleErrInternal {
-       err: msgs::HandleError,
+       err: msgs::LightningError,
        shutdown_finish: Option<(ShutdownResult, Option<msgs::ChannelUpdate>)>,
 }
 impl MsgHandleErrInternal {
        #[inline]
        fn send_err_msg_no_close(err: &'static str, channel_id: [u8; 32]) -> Self {
                Self {
-                       err: HandleError {
+                       err: LightningError {
                                err,
-                               action: Some(msgs::ErrorAction::SendErrorMessage {
+                               action: msgs::ErrorAction::SendErrorMessage {
                                        msg: msgs::ErrorMessage {
                                                channel_id,
                                                data: err.to_string()
                                        },
-                               }),
+                               },
                        },
                        shutdown_finish: None,
                }
@@ -165,28 +165,28 @@ impl MsgHandleErrInternal {
        #[inline]
        fn ignore_no_close(err: &'static str) -> Self {
                Self {
-                       err: HandleError {
+                       err: LightningError {
                                err,
-                               action: Some(msgs::ErrorAction::IgnoreError),
+                               action: msgs::ErrorAction::IgnoreError,
                        },
                        shutdown_finish: None,
                }
        }
        #[inline]
-       fn from_no_close(err: msgs::HandleError) -> Self {
+       fn from_no_close(err: msgs::LightningError) -> Self {
                Self { err, shutdown_finish: None }
        }
        #[inline]
        fn from_finish_shutdown(err: &'static str, channel_id: [u8; 32], shutdown_res: ShutdownResult, channel_update: Option<msgs::ChannelUpdate>) -> Self {
                Self {
-                       err: HandleError {
+                       err: LightningError {
                                err,
-                               action: Some(msgs::ErrorAction::SendErrorMessage {
+                               action: msgs::ErrorAction::SendErrorMessage {
                                        msg: msgs::ErrorMessage {
                                                channel_id,
                                                data: err.to_string()
                                        },
-                               }),
+                               },
                        },
                        shutdown_finish: Some((shutdown_res, channel_update)),
                }
@@ -195,27 +195,27 @@ impl MsgHandleErrInternal {
        fn from_chan_no_close(err: ChannelError, channel_id: [u8; 32]) -> Self {
                Self {
                        err: match err {
-                               ChannelError::Ignore(msg) => HandleError {
+                               ChannelError::Ignore(msg) => LightningError {
                                        err: msg,
-                                       action: Some(msgs::ErrorAction::IgnoreError),
+                                       action: msgs::ErrorAction::IgnoreError,
                                },
-                               ChannelError::Close(msg) => HandleError {
+                               ChannelError::Close(msg) => LightningError {
                                        err: msg,
-                                       action: Some(msgs::ErrorAction::SendErrorMessage {
+                                       action: msgs::ErrorAction::SendErrorMessage {
                                                msg: msgs::ErrorMessage {
                                                        channel_id,
                                                        data: msg.to_string()
                                                },
-                                       }),
+                                       },
                                },
-                               ChannelError::CloseDelayBroadcast { msg, .. } => HandleError {
+                               ChannelError::CloseDelayBroadcast { msg, .. } => LightningError {
                                        err: msg,
-                                       action: Some(msgs::ErrorAction::SendErrorMessage {
+                                       action: msgs::ErrorAction::SendErrorMessage {
                                                msg: msgs::ErrorMessage {
                                                        channel_id,
                                                        data: msg.to_string()
                                                },
-                                       }),
+                                       },
                                },
                        },
                        shutdown_finish: None,
@@ -585,7 +585,10 @@ impl ChannelManager {
        /// Non-proportional fees are fixed according to our risk using the provided fee estimator.
        ///
        /// panics if channel_value_satoshis is >= `MAX_FUNDING_SATOSHIS`!
-       pub fn new(network: Network, feeest: Arc<FeeEstimator>, monitor: Arc<ManyChannelMonitor>, chain_monitor: Arc<ChainWatchInterface>, tx_broadcaster: Arc<BroadcasterInterface>, logger: Arc<Logger>,keys_manager: Arc<KeysInterface>, config: UserConfig) -> Result<Arc<ChannelManager>, secp256k1::Error> {
+       ///
+       /// User must provide the current blockchain height from which to track onchain channel
+       /// funding outpoints and send payments with reliable timelocks.
+       pub fn new(network: Network, feeest: Arc<FeeEstimator>, monitor: Arc<ManyChannelMonitor>, chain_monitor: Arc<ChainWatchInterface>, tx_broadcaster: Arc<BroadcasterInterface>, logger: Arc<Logger>,keys_manager: Arc<KeysInterface>, config: UserConfig, current_blockchain_height: usize) -> Result<Arc<ChannelManager>, secp256k1::Error> {
                let secp_ctx = Secp256k1::new();
 
                let res = Arc::new(ChannelManager {
@@ -596,7 +599,7 @@ impl ChannelManager {
                        chain_monitor,
                        tx_broadcaster,
 
-                       latest_block_height: AtomicUsize::new(0), //TODO: Get an init value
+                       latest_block_height: AtomicUsize::new(current_blockchain_height),
                        last_block_hash: Mutex::new(Default::default()),
                        secp_ctx,
 
@@ -1009,9 +1012,9 @@ impl ChannelManager {
 
        /// only fails if the channel does not yet have an assigned short_id
        /// May be called with channel_state already locked!
-       fn get_channel_update(&self, chan: &Channel) -> Result<msgs::ChannelUpdate, HandleError> {
+       fn get_channel_update(&self, chan: &Channel) -> Result<msgs::ChannelUpdate, LightningError> {
                let short_channel_id = match chan.get_short_channel_id() {
-                       None => return Err(HandleError{err: "Channel not yet established", action: None}),
+                       None => return Err(LightningError{err: "Channel not yet established", action: msgs::ErrorAction::IgnoreError}),
                        Some(id) => id,
                };
 
@@ -1140,7 +1143,7 @@ impl ChannelManager {
                match handle_error!(self, err) {
                        Ok(_) => unreachable!(),
                        Err(e) => {
-                               if let Some(msgs::ErrorAction::IgnoreError) = e.action {
+                               if let msgs::ErrorAction::IgnoreError = e.action {
                                } else {
                                        log_error!(self, "Got bad keys: {}!", e.err);
                                        let mut channel_state = self.channel_state.lock().unwrap();
@@ -1461,7 +1464,7 @@ impl ChannelManager {
                        match handle_error!(self, err) {
                                Ok(_) => {},
                                Err(e) => {
-                                       if let Some(msgs::ErrorAction::IgnoreError) = e.action {
+                                       if let msgs::ErrorAction::IgnoreError = e.action {
                                        } else {
                                                let mut channel_state = self.channel_state.lock().unwrap();
                                                channel_state.pending_msg_events.push(events::MessageSendEvent::HandleError {
@@ -1515,7 +1518,7 @@ impl ChannelManager {
                                log_trace!(self, "Failing outbound payment HTLC with payment_hash {}", log_bytes!(payment_hash.0));
                                mem::drop(channel_state_lock);
                                match &onion_error {
-                                       &HTLCFailReason::ErrorPacket { ref err } => {
+                                       &HTLCFailReason::LightningError { ref err } => {
 #[cfg(test)]
                                                let (channel_update, payment_retryable, onion_error_code) = onion_utils::process_onion_failure(&self.secp_ctx, &self.logger, &source, err.data.clone());
 #[cfg(not(test))]
@@ -1568,8 +1571,8 @@ impl ChannelManager {
                                                let packet = onion_utils::build_failure_packet(&incoming_packet_shared_secret, failure_code, &data[..]).encode();
                                                onion_utils::encrypt_failure_packet(&incoming_packet_shared_secret, &packet)
                                        },
-                                       HTLCFailReason::ErrorPacket { err } => {
-                                               log_trace!(self, "Failing HTLC with payment_hash {} backwards with pre-built ErrorPacket", log_bytes!(payment_hash.0));
+                                       HTLCFailReason::LightningError { err } => {
+                                               log_trace!(self, "Failing HTLC with payment_hash {} backwards with pre-built LightningError", log_bytes!(payment_hash.0));
                                                onion_utils::encrypt_failure_packet(&incoming_packet_shared_secret, &err.data)
                                        }
                                };
@@ -1687,7 +1690,7 @@ impl ChannelManager {
                match handle_error!(self, err) {
                        Ok(_) => {},
                        Err(e) => {
-                               if let Some(msgs::ErrorAction::IgnoreError) = e.action {
+                               if let msgs::ErrorAction::IgnoreError = e.action {
                                } else {
                                        let mut channel_state = self.channel_state.lock().unwrap();
                                        channel_state.pending_msg_events.push(events::MessageSendEvent::HandleError {
@@ -2145,7 +2148,7 @@ impl ChannelManager {
                                        //TODO: here and below MsgHandleErrInternal, #153 case
                                        return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
                                }
-                               try_chan_entry!(self, chan.get_mut().update_fail_htlc(&msg, HTLCFailReason::ErrorPacket { err: msg.reason.clone() }), channel_state, chan);
+                               try_chan_entry!(self, chan.get_mut().update_fail_htlc(&msg, HTLCFailReason::LightningError { err: msg.reason.clone() }), channel_state, chan);
                        },
                        hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
                }
@@ -2319,7 +2322,7 @@ impl ChannelManager {
                                        return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
                                }
                                if !chan.get().is_usable() {
-                                       return Err(MsgHandleErrInternal::from_no_close(HandleError{err: "Got an announcement_signatures before we were ready for it", action: Some(msgs::ErrorAction::IgnoreError)}));
+                                       return Err(MsgHandleErrInternal::from_no_close(LightningError{err: "Got an announcement_signatures before we were ready for it", action: msgs::ErrorAction::IgnoreError}));
                                }
 
                                let our_node_id = self.get_our_node_id();
@@ -2472,7 +2475,7 @@ impl ChannelManager {
                match handle_error!(self, err) {
                        Ok(_) => unreachable!(),
                        Err(e) => {
-                               if let Some(msgs::ErrorAction::IgnoreError) = e.action {
+                               if let msgs::ErrorAction::IgnoreError = e.action {
                                } else {
                                        log_error!(self, "Got bad keys: {}!", e.err);
                                        let mut channel_state = self.channel_state.lock().unwrap();
@@ -2565,7 +2568,7 @@ impl ChainListener for ChannelManager {
                                } else if let Err(e) = chan_res {
                                        pending_msg_events.push(events::MessageSendEvent::HandleError {
                                                node_id: channel.get_their_node_id(),
-                                               action: Some(msgs::ErrorAction::SendErrorMessage { msg: e }),
+                                               action: msgs::ErrorAction::SendErrorMessage { msg: e },
                                        });
                                        return false;
                                }
@@ -2653,82 +2656,82 @@ impl ChainListener for ChannelManager {
 
 impl ChannelMessageHandler for ChannelManager {
        //TODO: Handle errors and close channel (or so)
-       fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel) -> Result<(), HandleError> {
+       fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::OpenChannel) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_open_channel(their_node_id, their_local_features, msg))
        }
 
-       fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::AcceptChannel) -> Result<(), HandleError> {
+       fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &msgs::AcceptChannel) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_accept_channel(their_node_id, their_local_features, msg))
        }
 
-       fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &msgs::FundingCreated) -> Result<(), HandleError> {
+       fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &msgs::FundingCreated) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_funding_created(their_node_id, msg))
        }
 
-       fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &msgs::FundingSigned) -> Result<(), HandleError> {
+       fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &msgs::FundingSigned) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_funding_signed(their_node_id, msg))
        }
 
-       fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &msgs::FundingLocked) -> Result<(), HandleError> {
+       fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &msgs::FundingLocked) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_funding_locked(their_node_id, msg))
        }
 
-       fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(), HandleError> {
+       fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_shutdown(their_node_id, msg))
        }
 
-       fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<(), HandleError> {
+       fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_closing_signed(their_node_id, msg))
        }
 
-       fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) -> Result<(), msgs::HandleError> {
+       fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateAddHTLC) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_update_add_htlc(their_node_id, msg))
        }
 
-       fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), HandleError> {
+       fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_update_fulfill_htlc(their_node_id, msg))
        }
 
-       fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), HandleError> {
+       fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_update_fail_htlc(their_node_id, msg))
        }
 
-       fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), HandleError> {
+       fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_update_fail_malformed_htlc(their_node_id, msg))
        }
 
-       fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result<(), HandleError> {
+       fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_commitment_signed(their_node_id, msg))
        }
 
-       fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result<(), HandleError> {
+       fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_revoke_and_ack(their_node_id, msg))
        }
 
-       fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) -> Result<(), HandleError> {
+       fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_update_fee(their_node_id, msg))
        }
 
-       fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) -> Result<(), HandleError> {
+       fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_announcement_signatures(their_node_id, msg))
        }
 
-       fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<(), HandleError> {
+       fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<(), LightningError> {
                let _ = self.total_consistency_lock.read().unwrap();
                handle_error!(self, self.internal_channel_reestablish(their_node_id, msg))
        }
@@ -2973,7 +2976,7 @@ impl<R: ::std::io::Read> Readable<R> for HTLCSource {
 impl Writeable for HTLCFailReason {
        fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::std::io::Error> {
                match self {
-                       &HTLCFailReason::ErrorPacket { ref err } => {
+                       &HTLCFailReason::LightningError { ref err } => {
                                0u8.write(writer)?;
                                err.write(writer)?;
                        },
@@ -2990,7 +2993,7 @@ impl Writeable for HTLCFailReason {
 impl<R: ::std::io::Read> Readable<R> for HTLCFailReason {
        fn read(reader: &mut R) -> Result<HTLCFailReason, DecodeError> {
                match <u8 as Readable<R>>::read(reader)? {
-                       0 => Ok(HTLCFailReason::ErrorPacket { err: Readable::read(reader)? }),
+                       0 => Ok(HTLCFailReason::LightningError { err: Readable::read(reader)? }),
                        1 => Ok(HTLCFailReason::Reason {
                                failure_code: Readable::read(reader)?,
                                data: Readable::read(reader)?,
index 5bcd74f76f10108832922ad00d8cb93ea795357a..9deb11073ffc31273d233277070f528c4eca478f 100644 (file)
@@ -1643,46 +1643,48 @@ impl ChannelMonitor {
                                                                return (txn_to_broadcast, (commitment_txid, watch_outputs), spendable_outputs); // Corrupted per_commitment_data, fuck this user
                                                        }
                                                        if let Some(payment_preimage) = self.payment_preimages.get(&htlc.payment_hash) {
-                                                               let input = TxIn {
-                                                                       previous_output: BitcoinOutPoint {
-                                                                               txid: commitment_txid,
-                                                                               vout: transaction_output_index,
-                                                                       },
-                                                                       script_sig: Script::new(),
-                                                                       sequence: idx as u32, // reset to 0xfffffffd in sign_input
-                                                                       witness: Vec::new(),
-                                                               };
-                                                               if htlc.cltv_expiry > height + CLTV_SHARED_CLAIM_BUFFER {
-                                                                       inputs.push(input);
-                                                                       inputs_desc.push(if htlc.offered { InputDescriptors::OfferedHTLC } else { InputDescriptors::ReceivedHTLC });
-                                                                       inputs_info.push((payment_preimage, tx.output[transaction_output_index as usize].value, htlc.cltv_expiry));
-                                                                       total_value += tx.output[transaction_output_index as usize].value;
-                                                               } else {
-                                                                       let mut single_htlc_tx = Transaction {
-                                                                               version: 2,
-                                                                               lock_time: 0,
-                                                                               input: vec![input],
-                                                                               output: vec!(TxOut {
-                                                                                       script_pubkey: self.destination_script.clone(),
-                                                                                       value: htlc.amount_msat / 1000,
-                                                                               }),
+                                                               if htlc.offered {
+                                                                       let input = TxIn {
+                                                                               previous_output: BitcoinOutPoint {
+                                                                                       txid: commitment_txid,
+                                                                                       vout: transaction_output_index,
+                                                                               },
+                                                                               script_sig: Script::new(),
+                                                                               sequence: idx as u32, // reset to 0xfffffffd in sign_input
+                                                                               witness: Vec::new(),
                                                                        };
-                                                                       let predicted_weight = single_htlc_tx.get_weight() + Self::get_witnesses_weight(&[if htlc.offered { InputDescriptors::OfferedHTLC } else { InputDescriptors::ReceivedHTLC }]);
-                                                                       let height_timer = Self::get_height_timer(height, htlc.cltv_expiry);
-                                                                       let mut used_feerate;
-                                                                       if subtract_high_prio_fee!(self, fee_estimator, single_htlc_tx.output[0].value, predicted_weight, tx.txid(), used_feerate) {
-                                                                               let sighash_parts = bip143::SighashComponents::new(&single_htlc_tx);
-                                                                               let (redeemscript, htlc_key) = sign_input!(sighash_parts, single_htlc_tx.input[0], htlc.amount_msat / 1000, payment_preimage.0.to_vec());
-                                                                               assert!(predicted_weight >= single_htlc_tx.get_weight());
-                                                                               spendable_outputs.push(SpendableOutputDescriptor::StaticOutput {
-                                                                                       outpoint: BitcoinOutPoint { txid: single_htlc_tx.txid(), vout: 0 },
-                                                                                       output: single_htlc_tx.output[0].clone(),
-                                                                               });
-                                                                               match self.our_claim_txn_waiting_first_conf.entry(single_htlc_tx.input[0].previous_output.clone()) {
-                                                                                       hash_map::Entry::Occupied(_) => {},
-                                                                                       hash_map::Entry::Vacant(entry) => { entry.insert((height_timer, TxMaterial::RemoteHTLC { script: redeemscript, key: htlc_key, preimage: Some(*payment_preimage), amount: htlc.amount_msat / 1000 }, used_feerate, htlc.cltv_expiry, height)); }
+                                                                       if htlc.cltv_expiry > height + CLTV_SHARED_CLAIM_BUFFER {
+                                                                               inputs.push(input);
+                                                                               inputs_desc.push(if htlc.offered { InputDescriptors::OfferedHTLC } else { InputDescriptors::ReceivedHTLC });
+                                                                               inputs_info.push((payment_preimage, tx.output[transaction_output_index as usize].value, htlc.cltv_expiry));
+                                                                               total_value += tx.output[transaction_output_index as usize].value;
+                                                                       } else {
+                                                                               let mut single_htlc_tx = Transaction {
+                                                                                       version: 2,
+                                                                                       lock_time: 0,
+                                                                                       input: vec![input],
+                                                                                       output: vec!(TxOut {
+                                                                                               script_pubkey: self.destination_script.clone(),
+                                                                                               value: htlc.amount_msat / 1000,
+                                                                                       }),
+                                                                               };
+                                                                               let predicted_weight = single_htlc_tx.get_weight() + Self::get_witnesses_weight(&[if htlc.offered { InputDescriptors::OfferedHTLC } else { InputDescriptors::ReceivedHTLC }]);
+                                                                               let height_timer = Self::get_height_timer(height, htlc.cltv_expiry);
+                                                                               let mut used_feerate;
+                                                                               if subtract_high_prio_fee!(self, fee_estimator, single_htlc_tx.output[0].value, predicted_weight, tx.txid(), used_feerate) {
+                                                                                       let sighash_parts = bip143::SighashComponents::new(&single_htlc_tx);
+                                                                                       let (redeemscript, htlc_key) = sign_input!(sighash_parts, single_htlc_tx.input[0], htlc.amount_msat / 1000, payment_preimage.0.to_vec());
+                                                                                       assert!(predicted_weight >= single_htlc_tx.get_weight());
+                                                                                       spendable_outputs.push(SpendableOutputDescriptor::StaticOutput {
+                                                                                               outpoint: BitcoinOutPoint { txid: single_htlc_tx.txid(), vout: 0 },
+                                                                                               output: single_htlc_tx.output[0].clone(),
+                                                                                       });
+                                                                                       match self.our_claim_txn_waiting_first_conf.entry(single_htlc_tx.input[0].previous_output.clone()) {
+                                                                                               hash_map::Entry::Occupied(_) => {},
+                                                                                               hash_map::Entry::Vacant(entry) => { entry.insert((height_timer, TxMaterial::RemoteHTLC { script: redeemscript, key: htlc_key, preimage: Some(*payment_preimage), amount: htlc.amount_msat / 1000 }, used_feerate, htlc.cltv_expiry, height)); }
+                                                                                       }
+                                                                                       txn_to_broadcast.push(single_htlc_tx);
                                                                                }
-                                                                               txn_to_broadcast.push(single_htlc_tx);
                                                                        }
                                                                }
                                                        }
index 3c84cff5b1a418e13c1896d888361fd742d81e2e..ba30330719e1fd0bd7a2ad66f943b7b7d44f3b00 100644 (file)
@@ -844,7 +844,7 @@ pub fn create_network(node_count: usize, node_config: &[Option<UserConfig>]) ->
                let mut default_config = UserConfig::new();
                default_config.channel_options.announced_channel = true;
                default_config.peer_channel_config_limits.force_announced_channel_preference = false;
-               let node = ChannelManager::new(Network::Testnet, feeest.clone(), chan_monitor.clone(), chain_monitor.clone(), tx_broadcaster.clone(), Arc::clone(&logger), keys_manager.clone(), if node_config[i].is_some() { node_config[i].clone().unwrap() } else { default_config }).unwrap();
+               let node = ChannelManager::new(Network::Testnet, feeest.clone(), chan_monitor.clone(), chain_monitor.clone(), tx_broadcaster.clone(), Arc::clone(&logger), keys_manager.clone(), if node_config[i].is_some() { node_config[i].clone().unwrap() } else { default_config }, 0).unwrap();
                let router = Router::new(PublicKey::from_secret_key(&secp_ctx, &keys_manager.get_node_secret()), chain_monitor.clone(), Arc::clone(&logger));
                nodes.push(Node { chain_monitor, tx_broadcaster, chan_monitor, node, router, keys_manager, node_seed: seed,
                        network_payment_count: payment_count.clone(),
index 044c1673011dd66d81112fe7c673a9aaf19287a0..5bb98bb613f6dd67fbc271146780b99037378dd3 100644 (file)
@@ -70,10 +70,10 @@ fn test_insane_channel_opens() {
        // that supposedly makes the channel open message insane
        let insane_open_helper = |expected_error_str, message_mutator: fn(msgs::OpenChannel) -> msgs::OpenChannel| {
                match nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), LocalFeatures::new(), &message_mutator(open_channel_message.clone())) {
-                       Err(msgs::HandleError{ err: error_str, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) => {
-                               assert_eq!(error_str, expected_error_str, "unexpected HandleError string (expected `{}`, actual `{}`)", expected_error_str, error_str)
+                       Err(msgs::LightningError{ err: error_str, action: msgs::ErrorAction::SendErrorMessage {..}}) => {
+                               assert_eq!(error_str, expected_error_str, "unexpected LightningError string (expected `{}`, actual `{}`)", expected_error_str, error_str)
                        },
-                       Err(msgs::HandleError{..}) => {panic!("unexpected HandleError action")},
+                       Err(msgs::LightningError{..}) => {panic!("unexpected LightningError action")},
                        _ => panic!("insane OpenChannel message was somehow Ok"),
                }
        };
@@ -952,7 +952,7 @@ fn do_test_shutdown_rebroadcast(recv_count: u8) {
                // transaction.
                assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
 
-               if let Err(msgs::HandleError{action: Some(msgs::ErrorAction::SendErrorMessage{msg}), ..}) =
+               if let Err(msgs::LightningError{action: msgs::ErrorAction::SendErrorMessage{msg}, ..}) =
                                nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &node_0_2nd_reestablish) {
                        nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msg);
                        let msgs::ErrorMessage {ref channel_id, ..} = msg;
@@ -1245,8 +1245,75 @@ fn duplicate_htlc_test() {
        claim_payment(&nodes[1], &vec!(&nodes[3])[..], payment_preimage);
 }
 
+#[test]
+fn test_duplicate_htlc_different_direction_onchain() {
+       // Test that ChannelMonitor doesn't generate 2 preimage txn
+       // when we have 2 HTLCs with same preimage that go across a node
+       // in opposite directions.
+       let nodes = create_network(2, &[None, None]);
+
+       let chan_1 = create_announced_chan_between_nodes(&nodes, 0, 1, LocalFeatures::new(), LocalFeatures::new());
+
+       // balancing
+       send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000);
+
+       let (payment_preimage, payment_hash) = route_payment(&nodes[0], &vec!(&nodes[1])[..], 900_000);
+
+       let route = nodes[1].router.get_route(&nodes[0].node.get_our_node_id(), None, &Vec::new(), 800_000, TEST_FINAL_CLTV).unwrap();
+       send_along_route_with_hash(&nodes[1], route, &vec!(&nodes[0])[..], 800_000, payment_hash);
+
+       // Provide preimage to node 0 by claiming payment
+       nodes[0].node.claim_funds(payment_preimage);
+       check_added_monitors!(nodes[0], 1);
+
+       // Broadcast node 1 commitment txn
+       let remote_txn = nodes[1].node.channel_state.lock().unwrap().by_id.get(&chan_1.2).unwrap().last_local_commitment_txn.clone();
+
+       assert_eq!(remote_txn[0].output.len(), 4); // 1 local, 1 remote, 1 htlc inbound, 1 htlc outbound
+       let mut has_both_htlcs = 0; // check htlcs match ones committed
+       for outp in remote_txn[0].output.iter() {
+               if outp.value == 800_000 / 1000 {
+                       has_both_htlcs += 1;
+               } else if outp.value == 900_000 / 1000 {
+                       has_both_htlcs += 1;
+               }
+       }
+       assert_eq!(has_both_htlcs, 2);
+
+       let header = BlockHeader { version: 0x2000_0000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+
+       nodes[0].chain_monitor.block_connected_with_filtering(&Block { header, txdata: vec![remote_txn[0].clone()] }, 1);
+
+       // Check we only broadcast 1 timeout tx
+       let claim_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clone();
+       let htlc_pair = if claim_txn[0].output[0].value == 800_000 / 1000 { (claim_txn[0].clone(), claim_txn[1].clone()) } else { (claim_txn[1].clone(), claim_txn[0].clone()) };
+       assert_eq!(claim_txn.len(), 6);
+       assert_eq!(htlc_pair.0.input.len(), 1);
+       assert_eq!(htlc_pair.0.input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); // HTLC 1 <--> 0, preimage tx
+       check_spends!(htlc_pair.0, remote_txn[0].clone());
+       assert_eq!(htlc_pair.1.input.len(), 1);
+       assert_eq!(htlc_pair.1.input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); // HTLC 0 <--> 1, timeout tx
+       check_spends!(htlc_pair.1, remote_txn[0].clone());
+
+       let events = nodes[0].node.get_and_clear_pending_msg_events();
+       assert_eq!(events.len(), 2);
+       for e in events {
+               match e {
+                       MessageSendEvent::BroadcastChannelUpdate { .. } => {},
+                       MessageSendEvent::UpdateHTLCs { ref node_id, updates: msgs::CommitmentUpdate { ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs, ref update_fail_malformed_htlcs, .. } } => {
+                               assert!(update_add_htlcs.is_empty());
+                               assert!(update_fail_htlcs.is_empty());
+                               assert_eq!(update_fulfill_htlcs.len(), 1);
+                               assert!(update_fail_malformed_htlcs.is_empty());
+                               assert_eq!(nodes[1].node.get_our_node_id(), *node_id);
+                       },
+                       _ => panic!("Unexpected event"),
+               }
+       }
+}
+
 fn do_channel_reserve_test(test_recv: bool) {
-       use ln::msgs::HandleError;
+       use ln::msgs::LightningError;
 
        let mut nodes = create_network(3, &[None, None, None]);
        let chan_1 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1900, 1001, LocalFeatures::new(), LocalFeatures::new());
@@ -1382,7 +1449,7 @@ fn do_channel_reserve_test(test_recv: bool) {
                if test_recv {
                        let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg).err().unwrap();
                        match err {
-                               HandleError{err, .. } => assert_eq!(err, "Remote HTLC add would put them over their reserve value"),
+                               LightningError{err, .. } => assert_eq!(err, "Remote HTLC add would put them over their reserve value"),
                        }
                        // If we send a garbage message, the channel should get closed, making the rest of this test case fail.
                        assert_eq!(nodes[1].node.list_channels().len(), 1);
@@ -3455,7 +3522,7 @@ fn test_manager_serialize_deserialize_inconsistent_monitor() {
        nodes[3].node.peer_connected(&nodes[0].node.get_our_node_id());
        let reestablish = get_event_msg!(nodes[3], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
        nodes[0].node.peer_connected(&nodes[3].node.get_our_node_id());
-       if let Err(msgs::HandleError { action: Some(msgs::ErrorAction::SendErrorMessage { msg }), .. }) = nodes[0].node.handle_channel_reestablish(&nodes[3].node.get_our_node_id(), &reestablish) {
+       if let Err(msgs::LightningError { action: msgs::ErrorAction::SendErrorMessage { msg }, .. }) = nodes[0].node.handle_channel_reestablish(&nodes[3].node.get_our_node_id(), &reestablish) {
                assert_eq!(msg.channel_id, channel_id);
        } else { panic!("Unexpected result"); }
 }
@@ -5101,7 +5168,7 @@ fn test_update_add_htlc_bolt2_receiver_check_amount_received_more_than_min() {
        let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        updates.update_add_htlcs[0].amount_msat = htlc_minimum_msat-1;
        let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote side tried to send less than our minimum HTLC value");
        } else {
                assert!(false);
@@ -5127,7 +5194,7 @@ fn test_update_add_htlc_bolt2_receiver_sender_can_afford_amount_sent() {
        updates.update_add_htlcs[0].amount_msat = 5000000-their_channel_reserve+1;
        let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
 
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote HTLC add would put them over their reserve value");
        } else {
                assert!(false);
@@ -5174,7 +5241,7 @@ fn test_update_add_htlc_bolt2_receiver_check_max_htlc_limit() {
        msg.htlc_id = (super::channel::OUR_MAX_HTLCS) as u64;
        let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &msg);
 
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote tried to push more than our max accepted HTLCs");
        } else {
                assert!(false);
@@ -5197,7 +5264,7 @@ fn test_update_add_htlc_bolt2_receiver_check_max_in_flight_msat() {
        updates.update_add_htlcs[0].amount_msat = get_channel_value_stat!(nodes[1], chan.2).their_max_htlc_value_in_flight_msat + 1;
        let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
 
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err,"Remote HTLC add would put them over our max HTLC value");
        } else {
                assert!(false);
@@ -5220,7 +5287,7 @@ fn test_update_add_htlc_bolt2_receiver_check_cltv_expiry() {
        updates.update_add_htlcs[0].cltv_expiry = 500000000;
        let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
 
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err,"Remote provided CLTV expiry in seconds instead of block height");
        } else {
                assert!(false);
@@ -5266,7 +5333,7 @@ fn test_update_add_htlc_bolt2_receiver_check_repeated_id_ignore() {
        let _bs_responses = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
 
        let err = nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote skipped HTLC ID");
        } else {
                assert!(false);
@@ -5298,7 +5365,7 @@ fn test_update_fulfill_htlc_bolt2_update_fulfill_htlc_before_commitment() {
 
        let err = nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_msg);
 
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote tried to fulfill/fail HTLC before it had been committed");
        } else {
                assert!(false);
@@ -5330,7 +5397,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_htlc_before_commitment() {
 
        let err = nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &update_msg);
 
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote tried to fulfill/fail HTLC before it had been committed");
        } else {
                assert!(false);
@@ -5363,7 +5430,7 @@ fn test_update_fulfill_htlc_bolt2_update_fail_malformed_htlc_before_commitment()
 
        let err = nodes[0].node.handle_update_fail_malformed_htlc(&nodes[1].node.get_our_node_id(), &update_msg);
 
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote tried to fulfill/fail HTLC before it had been committed");
        } else {
                assert!(false);
@@ -5404,7 +5471,7 @@ fn test_update_fulfill_htlc_bolt2_incorrect_htlc_id() {
        update_fulfill_msg.htlc_id = 1;
 
        let err = nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_msg);
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote tried to fulfill/fail an HTLC we couldn't find");
        } else {
                assert!(false);
@@ -5445,7 +5512,7 @@ fn test_update_fulfill_htlc_bolt2_wrong_preimage() {
        update_fulfill_msg.payment_preimage = PaymentPreimage([1; 32]);
 
        let err = nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &update_fulfill_msg);
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Remote tried to fulfill HTLC with an incorrect preimage");
        } else {
                assert!(false);
@@ -5491,7 +5558,7 @@ fn test_update_fulfill_htlc_bolt2_missing_badonion_bit_for_malformed_htlc_messag
        };
        update_msg.failure_code &= !0x8000;
        let err = nodes[0].node.handle_update_fail_malformed_htlc(&nodes[1].node.get_our_node_id(), &update_msg);
-       if let Err(msgs::HandleError{err, action: Some(msgs::ErrorAction::SendErrorMessage {..})}) = err {
+       if let Err(msgs::LightningError{err, action: msgs::ErrorAction::SendErrorMessage {..}}) = err {
                assert_eq!(err, "Got update_fail_malformed_htlc with BADONION not set");
        } else {
                assert!(false);
@@ -5864,14 +5931,12 @@ fn test_upfront_shutdown_script() {
        node_0_shutdown.scriptpubkey = Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script().to_p2sh();
        // Test we enforce upfront_scriptpbukey if by providing a diffrent one at closing that  we disconnect peer
        if let Err(error) = nodes[2].node.handle_shutdown(&nodes[0].node.get_our_node_id(), &node_0_shutdown) {
-               if let Some(error) = error.action {
-                       match error {
-                               ErrorAction::SendErrorMessage { msg } => {
-                                       assert_eq!(msg.data,"Got shutdown request with a scriptpubkey which did not match their previous scriptpubkey");
-                               },
-                               _ => { assert!(false); }
-                       }
-               } else { assert!(false); }
+               match error.action {
+                       ErrorAction::SendErrorMessage { msg } => {
+                               assert_eq!(msg.data,"Got shutdown request with a scriptpubkey which did not match their previous scriptpubkey");
+                       },
+                       _ => { assert!(false); }
+               }
        } else { assert!(false); }
        let events = nodes[2].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
@@ -5981,14 +6046,12 @@ fn test_user_configurable_csv_delay() {
        let mut accept_channel = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
        accept_channel.to_self_delay = 200;
        if let Err(error) = nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), LocalFeatures::new(), &accept_channel) {
-               if let Some(error) = error.action {
-                       match error {
-                               ErrorAction::SendErrorMessage { msg } => {
-                                       assert_eq!(msg.data,"They wanted our payments to be delayed by a needlessly long period");
-                               },
-                               _ => { assert!(false); }
-                       }
-               } else { assert!(false); }
+               match error.action {
+                       ErrorAction::SendErrorMessage { msg } => {
+                               assert_eq!(msg.data,"They wanted our payments to be delayed by a needlessly long period");
+                       },
+                       _ => { assert!(false); }
+               }
        } else { assert!(false); }
 
        // We test msg.to_self_delay <= config.their_to_self_delay is enforced in Channel::new_from_req()
@@ -6056,14 +6119,12 @@ fn test_data_loss_protect() {
 
        // Check we update monitor following learning of per_commitment_point from B
        if let Err(err) = nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &reestablish_0[0])  {
-               if let Some(error) = err.action {
-                       match error {
-                               ErrorAction::SendErrorMessage { msg } => {
-                                       assert_eq!(msg.data, "We have fallen behind - we have received proof that if we broadcast remote is going to claim our funds - we can't do any automated broadcasting");
-                               },
-                               _ => panic!("Unexpected event!"),
-                       }
-               } else { assert!(false); }
+               match err.action {
+                       ErrorAction::SendErrorMessage { msg } => {
+                               assert_eq!(msg.data, "We have fallen behind - we have received proof that if we broadcast remote is going to claim our funds - we can't do any automated broadcasting");
+                       },
+                       _ => panic!("Unexpected event!"),
+               }
        } else { assert!(false); }
        check_added_monitors!(nodes[0], 1);
 
@@ -6085,13 +6146,11 @@ fn test_data_loss_protect() {
 
        // Check we close channel detecting A is fallen-behind
        if let Err(err) = nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &reestablish_1[0]) {
-               if let Some(error) = err.action {
-                       match error {
-                               ErrorAction::SendErrorMessage { msg } => {
-                                       assert_eq!(msg.data, "Peer attempted to reestablish channel with a very old local commitment transaction"); },
-                               _ => panic!("Unexpected event!"),
-                       }
-               } else { assert!(false); }
+               match err.action {
+                       ErrorAction::SendErrorMessage { msg } => {
+                               assert_eq!(msg.data, "Peer attempted to reestablish channel with a very old local commitment transaction"); },
+                       _ => panic!("Unexpected event!"),
+               }
        } else { assert!(false); }
 
        let events = nodes[1].node.get_and_clear_pending_msg_events();
index 0e6c4b95ee32645d4e43a5ead08331e99d4784f6..277d96d168733e890be98391b6017aa7df138b50 100644 (file)
@@ -525,7 +525,7 @@ pub struct ChannelUpdate {
        pub(crate) contents: UnsignedChannelUpdate,
 }
 
-/// Used to put an error message in a HandleError
+/// Used to put an error message in a LightningError
 #[derive(Clone)]
 pub enum ErrorAction {
        /// The peer took some action which made us think they were useless. Disconnect them.
@@ -543,11 +543,11 @@ pub enum ErrorAction {
 }
 
 /// An Err type for failure to process messages.
-pub struct HandleError { //TODO: rename me
+pub struct LightningError {
        /// A human-readable message describing the error
        pub err: &'static str,
        /// The action which should be taken against the offending peer.
-       pub action: Option<ErrorAction>, //TODO: Make this required
+       pub action: ErrorAction,
 }
 
 /// Struct used to return values from revoke_and_ack messages, containing a bunch of commitment
@@ -616,42 +616,42 @@ pub enum OptionalField<T> {
 pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Sync {
        //Channel init:
        /// Handle an incoming open_channel message from the given peer.
-       fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &OpenChannel) -> Result<(), HandleError>;
+       fn handle_open_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &OpenChannel) -> Result<(), LightningError>;
        /// Handle an incoming accept_channel message from the given peer.
-       fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &AcceptChannel) -> Result<(), HandleError>;
+       fn handle_accept_channel(&self, their_node_id: &PublicKey, their_local_features: LocalFeatures, msg: &AcceptChannel) -> Result<(), LightningError>;
        /// Handle an incoming funding_created message from the given peer.
-       fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &FundingCreated) -> Result<(), HandleError>;
+       fn handle_funding_created(&self, their_node_id: &PublicKey, msg: &FundingCreated) -> Result<(), LightningError>;
        /// Handle an incoming funding_signed message from the given peer.
-       fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &FundingSigned) -> Result<(), HandleError>;
+       fn handle_funding_signed(&self, their_node_id: &PublicKey, msg: &FundingSigned) -> Result<(), LightningError>;
        /// Handle an incoming funding_locked message from the given peer.
-       fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &FundingLocked) -> Result<(), HandleError>;
+       fn handle_funding_locked(&self, their_node_id: &PublicKey, msg: &FundingLocked) -> Result<(), LightningError>;
 
        // Channl close:
        /// Handle an incoming shutdown message from the given peer.
-       fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &Shutdown) -> Result<(), HandleError>;
+       fn handle_shutdown(&self, their_node_id: &PublicKey, msg: &Shutdown) -> Result<(), LightningError>;
        /// Handle an incoming closing_signed message from the given peer.
-       fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &ClosingSigned) -> Result<(), HandleError>;
+       fn handle_closing_signed(&self, their_node_id: &PublicKey, msg: &ClosingSigned) -> Result<(), LightningError>;
 
        // HTLC handling:
        /// Handle an incoming update_add_htlc message from the given peer.
-       fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &UpdateAddHTLC) -> Result<(), HandleError>;
+       fn handle_update_add_htlc(&self, their_node_id: &PublicKey, msg: &UpdateAddHTLC) -> Result<(), LightningError>;
        /// Handle an incoming update_fulfill_htlc message from the given peer.
-       fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFulfillHTLC) -> Result<(), HandleError>;
+       fn handle_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFulfillHTLC) -> Result<(), LightningError>;
        /// Handle an incoming update_fail_htlc message from the given peer.
-       fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailHTLC) -> Result<(), HandleError>;
+       fn handle_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailHTLC) -> Result<(), LightningError>;
        /// Handle an incoming update_fail_malformed_htlc message from the given peer.
-       fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailMalformedHTLC) -> Result<(), HandleError>;
+       fn handle_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &UpdateFailMalformedHTLC) -> Result<(), LightningError>;
        /// Handle an incoming commitment_signed message from the given peer.
-       fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &CommitmentSigned) -> Result<(), HandleError>;
+       fn handle_commitment_signed(&self, their_node_id: &PublicKey, msg: &CommitmentSigned) -> Result<(), LightningError>;
        /// Handle an incoming revoke_and_ack message from the given peer.
-       fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &RevokeAndACK) -> Result<(), HandleError>;
+       fn handle_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &RevokeAndACK) -> Result<(), LightningError>;
 
        /// Handle an incoming update_fee message from the given peer.
-       fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &UpdateFee) -> Result<(), HandleError>;
+       fn handle_update_fee(&self, their_node_id: &PublicKey, msg: &UpdateFee) -> Result<(), LightningError>;
 
        // Channel-to-announce:
        /// Handle an incoming announcement_signatures message from the given peer.
-       fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &AnnouncementSignatures) -> Result<(), HandleError>;
+       fn handle_announcement_signatures(&self, their_node_id: &PublicKey, msg: &AnnouncementSignatures) -> Result<(), LightningError>;
 
        // Connection loss/reestablish:
        /// Indicates a connection to the peer failed/an existing connection was lost. If no connection
@@ -663,7 +663,7 @@ pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Syn
        /// Handle a peer reconnecting, possibly generating channel_reestablish message(s).
        fn peer_connected(&self, their_node_id: &PublicKey);
        /// Handle an incoming channel_reestablish message from the given peer.
-       fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &ChannelReestablish) -> Result<(), HandleError>;
+       fn handle_channel_reestablish(&self, their_node_id: &PublicKey, msg: &ChannelReestablish) -> Result<(), LightningError>;
 
        // Error:
        /// Handle an incoming error message from the given peer.
@@ -674,13 +674,13 @@ pub trait ChannelMessageHandler : events::MessageSendEventsProvider + Send + Syn
 pub trait RoutingMessageHandler : Send + Sync {
        /// Handle an incoming node_announcement message, returning true if it should be forwarded on,
        /// false or returning an Err otherwise.
-       fn handle_node_announcement(&self, msg: &NodeAnnouncement) -> Result<bool, HandleError>;
+       fn handle_node_announcement(&self, msg: &NodeAnnouncement) -> Result<bool, LightningError>;
        /// Handle a channel_announcement message, returning true if it should be forwarded on, false
        /// or returning an Err otherwise.
-       fn handle_channel_announcement(&self, msg: &ChannelAnnouncement) -> Result<bool, HandleError>;
+       fn handle_channel_announcement(&self, msg: &ChannelAnnouncement) -> Result<bool, LightningError>;
        /// Handle an incoming channel_update message, returning true if it should be forwarded on,
        /// false or returning an Err otherwise.
-       fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result<bool, HandleError>;
+       fn handle_channel_update(&self, msg: &ChannelUpdate) -> Result<bool, LightningError>;
        /// Handle some updates to the route graph that we learned due to an outbound failed payment.
        fn handle_htlc_fail_channel_update(&self, update: &HTLCFailChannelUpdate);
        /// Gets a subset of the channel announcements and updates required to dump our routing table
@@ -770,7 +770,7 @@ impl fmt::Display for DecodeError {
        }
 }
 
-impl fmt::Debug for HandleError {
+impl fmt::Debug for LightningError {
        fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
                f.write_str(self.err)
        }
index 9d716a2dc5aa6109ad3d9b4847486bcbbc014465..7e84e329eb1482bbeb9e08f1165ad1ddf93432fd 100644 (file)
@@ -1,4 +1,4 @@
-use ln::msgs::HandleError;
+use ln::msgs::LightningError;
 use ln::msgs;
 
 use bitcoin_hashes::{Hash, HashEngine, Hmac, HmacEngine};
@@ -133,13 +133,13 @@ impl PeerChannelEncryptor {
        }
 
        #[inline]
-       fn decrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], cyphertext: &[u8]) -> Result<(), HandleError> {
+       fn decrypt_with_ad(res: &mut[u8], n: u64, key: &[u8; 32], h: &[u8], cyphertext: &[u8]) -> Result<(), LightningError> {
                let mut nonce = [0; 12];
                nonce[4..].copy_from_slice(&byte_utils::le64_to_array(n));
 
                let mut chacha = ChaCha20Poly1305RFC::new(key, &nonce, h);
                if !chacha.decrypt(&cyphertext[0..cyphertext.len() - 16], res, &cyphertext[cyphertext.len() - 16..]) {
-                       return Err(HandleError{err: "Bad MAC", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })});
+                       return Err(LightningError{err: "Bad MAC", action: msgs::ErrorAction::DisconnectPeer{ msg: None }});
                }
                Ok(())
        }
@@ -189,15 +189,15 @@ impl PeerChannelEncryptor {
        }
 
        #[inline]
-       fn inbound_noise_act(state: &mut BidirectionalNoiseState, act: &[u8], our_key: &SecretKey) -> Result<(PublicKey, [u8; 32]), HandleError> {
+       fn inbound_noise_act(state: &mut BidirectionalNoiseState, act: &[u8], our_key: &SecretKey) -> Result<(PublicKey, [u8; 32]), LightningError> {
                assert_eq!(act.len(), 50);
 
                if act[0] != 0 {
-                       return Err(HandleError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })});
+                       return Err(LightningError{err: "Unknown handshake version number", action: msgs::ErrorAction::DisconnectPeer{ msg: None }});
                }
 
                let their_pub = match PublicKey::from_slice(&act[1..34]) {
-                       Err(_) => return Err(HandleError{err: "Invalid public key", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}),
+                       Err(_) => return Err(LightningError{err: "Invalid public key", action: msgs::ErrorAction::DisconnectPeer{ msg: None }}),
                        Ok(key) => key,
                };
 
@@ -239,7 +239,7 @@ impl PeerChannelEncryptor {
                }
        }
 
-       pub fn process_act_one_with_keys(&mut self, act_one: &[u8], our_node_secret: &SecretKey, our_ephemeral: SecretKey) -> Result<[u8; 50], HandleError> {
+       pub fn process_act_one_with_keys(&mut self, act_one: &[u8], our_node_secret: &SecretKey, our_ephemeral: SecretKey) -> Result<[u8; 50], LightningError> {
                assert_eq!(act_one.len(), 50);
 
                match self.noise_state {
@@ -266,7 +266,7 @@ impl PeerChannelEncryptor {
                }
        }
 
-       pub fn process_act_two(&mut self, act_two: &[u8], our_node_secret: &SecretKey) -> Result<([u8; 66], PublicKey), HandleError> {
+       pub fn process_act_two(&mut self, act_two: &[u8], our_node_secret: &SecretKey) -> Result<([u8; 66], PublicKey), LightningError> {
                assert_eq!(act_two.len(), 50);
 
                let final_hkdf;
@@ -317,7 +317,7 @@ impl PeerChannelEncryptor {
                Ok((res, self.their_node_id.unwrap().clone()))
        }
 
-       pub fn process_act_three(&mut self, act_three: &[u8]) -> Result<PublicKey, HandleError> {
+       pub fn process_act_three(&mut self, act_three: &[u8]) -> Result<PublicKey, LightningError> {
                assert_eq!(act_three.len(), 66);
 
                let final_hkdf;
@@ -330,14 +330,14 @@ impl PeerChannelEncryptor {
                                                        panic!("Requested act at wrong step");
                                                }
                                                if act_three[0] != 0 {
-                                                       return Err(HandleError{err: "Unknown handshake version number", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })});
+                                                       return Err(LightningError{err: "Unknown handshake version number", action: msgs::ErrorAction::DisconnectPeer{ msg: None }});
                                                }
 
                                                let mut their_node_id = [0; 33];
                                                PeerChannelEncryptor::decrypt_with_ad(&mut their_node_id, 1, &temp_k2.unwrap(), &bidirectional_state.h, &act_three[1..50])?;
                                                self.their_node_id = Some(match PublicKey::from_slice(&their_node_id) {
                                                        Ok(key) => key,
-                                                       Err(_) => return Err(HandleError{err: "Bad node_id from peer", action: Some(msgs::ErrorAction::DisconnectPeer{ msg: None })}),
+                                                       Err(_) => return Err(LightningError{err: "Bad node_id from peer", action: msgs::ErrorAction::DisconnectPeer{ msg: None }}),
                                                });
 
                                                let mut sha = Sha256::engine();
@@ -403,7 +403,7 @@ impl PeerChannelEncryptor {
 
        /// Decrypts a message length header from the remote peer.
        /// panics if noise handshake has not yet finished or msg.len() != 18
-       pub fn decrypt_length_header(&mut self, msg: &[u8]) -> Result<u16, HandleError> {
+       pub fn decrypt_length_header(&mut self, msg: &[u8]) -> Result<u16, LightningError> {
                assert_eq!(msg.len(), 16+2);
 
                match self.noise_state {
@@ -426,7 +426,7 @@ impl PeerChannelEncryptor {
 
        /// Decrypts the given message.
        /// panics if msg.len() > 65535 + 16
-       pub fn decrypt_message(&mut self, msg: &[u8]) -> Result<Vec<u8>, HandleError> {
+       pub fn decrypt_message(&mut self, msg: &[u8]) -> Result<Vec<u8>, LightningError> {
                if msg.len() > 65535 + 16 {
                        panic!("Attempted to encrypt message longer than 65535 bytes!");
                }
index 8094f256195d2fa5e1dd5c20c1f44ef3c3489570..c0035f4f42c09692970b5d472af6df0d97a4193b 100644 (file)
@@ -481,26 +481,21 @@ impl<Descriptor: SocketDescriptor> PeerManager<Descriptor> {
                                                                        match $thing {
                                                                                Ok(x) => x,
                                                                                Err(e) => {
-                                                                                       if let Some(action) = e.action {
-                                                                                               match action {
-                                                                                                       msgs::ErrorAction::DisconnectPeer { msg: _ } => {
-                                                                                                               //TODO: Try to push msg
-                                                                                                               log_trace!(self, "Got Err handling message, disconnecting peer because {}", e.err);
-                                                                                                               return Err(PeerHandleError{ no_connection_possible: false });
-                                                                                                       },
-                                                                                                       msgs::ErrorAction::IgnoreError => {
-                                                                                                               log_trace!(self, "Got Err handling message, ignoring because {}", e.err);
-                                                                                                               continue;
-                                                                                                       },
-                                                                                                       msgs::ErrorAction::SendErrorMessage { msg } => {
-                                                                                                               log_trace!(self, "Got Err handling message, sending Error message because {}", e.err);
-                                                                                                               encode_and_send_msg!(msg, 17);
-                                                                                                               continue;
-                                                                                                       },
-                                                                                               }
-                                                                                       } else {
-                                                                                               log_debug!(self, "Got Err handling message, action not yet filled in: {}", e.err);
-                                                                                               return Err(PeerHandleError{ no_connection_possible: false });
+                                                                                       match e.action {
+                                                                                               msgs::ErrorAction::DisconnectPeer { msg: _ } => {
+                                                                                                       //TODO: Try to push msg
+                                                                                                       log_trace!(self, "Got Err handling message, disconnecting peer because {}", e.err);
+                                                                                                       return Err(PeerHandleError{ no_connection_possible: false });
+                                                                                               },
+                                                                                               msgs::ErrorAction::IgnoreError => {
+                                                                                                       log_trace!(self, "Got Err handling message, ignoring because {}", e.err);
+                                                                                                       continue;
+                                                                                               },
+                                                                                               msgs::ErrorAction::SendErrorMessage { msg } => {
+                                                                                                       log_trace!(self, "Got Err handling message, sending Error message because {}", e.err);
+                                                                                                       encode_and_send_msg!(msg, 17);
+                                                                                                       continue;
+                                                                                               },
                                                                                        }
                                                                                }
                                                                        };
@@ -1020,42 +1015,38 @@ impl<Descriptor: SocketDescriptor> PeerManager<Descriptor> {
                                                self.message_handler.route_handler.handle_htlc_fail_channel_update(update);
                                        },
                                        MessageSendEvent::HandleError { ref node_id, ref action } => {
-                                               if let Some(ref action) = *action {
-                                                       match *action {
-                                                               msgs::ErrorAction::DisconnectPeer { ref msg } => {
-                                                                       if let Some(mut descriptor) = peers.node_id_to_descriptor.remove(node_id) {
-                                                                               peers.peers_needing_send.remove(&descriptor);
-                                                                               if let Some(mut peer) = peers.peers.remove(&descriptor) {
-                                                                                       if let Some(ref msg) = *msg {
-                                                                                               log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with message {}",
-                                                                                                               log_pubkey!(node_id),
-                                                                                                               msg.data);
-                                                                                               peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg, 17)));
-                                                                                               // This isn't guaranteed to work, but if there is enough free
-                                                                                               // room in the send buffer, put the error message there...
-                                                                                               self.do_attempt_write_data(&mut descriptor, &mut peer);
-                                                                                       } else {
-                                                                                               log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with no message", log_pubkey!(node_id));
-                                                                                       }
+                                               match *action {
+                                                       msgs::ErrorAction::DisconnectPeer { ref msg } => {
+                                                               if let Some(mut descriptor) = peers.node_id_to_descriptor.remove(node_id) {
+                                                                       peers.peers_needing_send.remove(&descriptor);
+                                                                       if let Some(mut peer) = peers.peers.remove(&descriptor) {
+                                                                               if let Some(ref msg) = *msg {
+                                                                                       log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with message {}",
+                                                                                                       log_pubkey!(node_id),
+                                                                                                       msg.data);
+                                                                                       peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg, 17)));
+                                                                                       // This isn't guaranteed to work, but if there is enough free
+                                                                                       // room in the send buffer, put the error message there...
+                                                                                       self.do_attempt_write_data(&mut descriptor, &mut peer);
+                                                                               } else {
+                                                                                       log_trace!(self, "Handling DisconnectPeer HandleError event in peer_handler for node {} with no message", log_pubkey!(node_id));
                                                                                }
-                                                                               descriptor.disconnect_socket();
-                                                                               self.message_handler.chan_handler.peer_disconnected(&node_id, false);
                                                                        }
-                                                               },
-                                                               msgs::ErrorAction::IgnoreError => {},
-                                                               msgs::ErrorAction::SendErrorMessage { ref msg } => {
-                                                                       log_trace!(self, "Handling SendErrorMessage HandleError event in peer_handler for node {} with message {}",
-                                                                                       log_pubkey!(node_id),
-                                                                                       msg.data);
-                                                                       let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
-                                                                               //TODO: Do whatever we're gonna do for handling dropped messages
-                                                                       });
-                                                                       peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg, 17)));
-                                                                       self.do_attempt_write_data(&mut descriptor, peer);
-                                                               },
-                                                       }
-                                               } else {
-                                                       log_error!(self, "Got no-action HandleError Event in peer_handler for node {}, no such events should ever be generated!", log_pubkey!(node_id));
+                                                                       descriptor.disconnect_socket();
+                                                                       self.message_handler.chan_handler.peer_disconnected(&node_id, false);
+                                                               }
+                                                       },
+                                                       msgs::ErrorAction::IgnoreError => {},
+                                                       msgs::ErrorAction::SendErrorMessage { ref msg } => {
+                                                               log_trace!(self, "Handling SendErrorMessage HandleError event in peer_handler for node {} with message {}",
+                                                                               log_pubkey!(node_id),
+                                                                               msg.data);
+                                                               let (mut descriptor, peer) = get_peer_for_forwarding!(node_id, {
+                                                                       //TODO: Do whatever we're gonna do for handling dropped messages
+                                                               });
+                                                               peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg, 17)));
+                                                               self.do_attempt_write_data(&mut descriptor, peer);
+                                                       },
                                                }
                                        }
                                }
@@ -1172,7 +1163,7 @@ mod tests {
                let chan_handler = test_utils::TestChannelMessageHandler::new();
                chan_handler.pending_events.lock().unwrap().push(events::MessageSendEvent::HandleError {
                        node_id: their_id,
-                       action: Some(msgs::ErrorAction::DisconnectPeer { msg: None }),
+                       action: msgs::ErrorAction::DisconnectPeer { msg: None },
                });
                assert_eq!(chan_handler.pending_events.lock().unwrap().len(), 1);
                peers[0].message_handler.chan_handler = Arc::new(chan_handler);
index bb20c31c35af9f868ee76c91933558b173130dc4..5686e5a3bf7b333f4458d384b3a4ad5b7f2cd3ca 100644 (file)
@@ -14,7 +14,7 @@ use bitcoin::blockdata::opcodes;
 
 use chain::chaininterface::{ChainError, ChainWatchInterface};
 use ln::channelmanager;
-use ln::msgs::{DecodeError,ErrorAction,HandleError,RoutingMessageHandler,NetAddress,GlobalFeatures};
+use ln::msgs::{DecodeError,ErrorAction,LightningError,RoutingMessageHandler,NetAddress,GlobalFeatures};
 use ln::msgs;
 use util::ser::{Writeable, Readable, Writer, ReadableArgs};
 use util::logger::Logger;
@@ -404,13 +404,13 @@ macro_rules! secp_verify_sig {
        ( $secp_ctx: expr, $msg: expr, $sig: expr, $pubkey: expr ) => {
                match $secp_ctx.verify($msg, $sig, $pubkey) {
                        Ok(_) => {},
-                       Err(_) => return Err(HandleError{err: "Invalid signature from remote node", action: None}),
+                       Err(_) => return Err(LightningError{err: "Invalid signature from remote node", action: ErrorAction::IgnoreError}),
                }
        };
 }
 
 impl RoutingMessageHandler for Router {
-       fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<bool, HandleError> {
+       fn handle_node_announcement(&self, msg: &msgs::NodeAnnouncement) -> Result<bool, LightningError> {
                let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
                secp_verify_sig!(self.secp_ctx, &msg_hash, &msg.signature, &msg.contents.node_id);
 
@@ -420,10 +420,10 @@ impl RoutingMessageHandler for Router {
 
                let mut network = self.network_map.write().unwrap();
                match network.nodes.get_mut(&msg.contents.node_id) {
-                       None => Err(HandleError{err: "No existing channels for node_announcement", action: Some(ErrorAction::IgnoreError)}),
+                       None => Err(LightningError{err: "No existing channels for node_announcement", action: ErrorAction::IgnoreError}),
                        Some(node) => {
                                if node.last_update >= msg.contents.timestamp {
-                                       return Err(HandleError{err: "Update older than last processed update", action: Some(ErrorAction::IgnoreError)});
+                                       return Err(LightningError{err: "Update older than last processed update", action: ErrorAction::IgnoreError});
                                }
 
                                node.features = msg.contents.features.clone();
@@ -439,9 +439,9 @@ impl RoutingMessageHandler for Router {
                }
        }
 
-       fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result<bool, HandleError> {
+       fn handle_channel_announcement(&self, msg: &msgs::ChannelAnnouncement) -> Result<bool, LightningError> {
                if msg.contents.node_id_1 == msg.contents.node_id_2 || msg.contents.bitcoin_key_1 == msg.contents.bitcoin_key_2 {
-                       return Err(HandleError{err: "Channel announcement node had a channel with itself", action: Some(ErrorAction::IgnoreError)});
+                       return Err(LightningError{err: "Channel announcement node had a channel with itself", action: ErrorAction::IgnoreError});
                }
 
                let msg_hash = hash_to_message!(&Sha256dHash::hash(&msg.contents.encode()[..])[..]);
@@ -462,7 +462,7 @@ impl RoutingMessageHandler for Router {
                                                                    .push_opcode(opcodes::all::OP_PUSHNUM_2)
                                                                    .push_opcode(opcodes::all::OP_CHECKMULTISIG).into_script().to_v0_p2wsh();
                                if script_pubkey != expected_script {
-                                       return Err(HandleError{err: "Channel announcement keys didn't match on-chain script", action: Some(ErrorAction::IgnoreError)});
+                                       return Err(LightningError{err: "Channel announcement keys didn't match on-chain script", action: ErrorAction::IgnoreError});
                                }
                                //TODO: Check if value is worth storing, use it to inform routing, and compare it
                                //to the new HTLC max field in channel_update
@@ -473,10 +473,10 @@ impl RoutingMessageHandler for Router {
                                false
                        },
                        Err(ChainError::NotWatched) => {
-                               return Err(HandleError{err: "Channel announced on an unknown chain", action: Some(ErrorAction::IgnoreError)});
+                               return Err(LightningError{err: "Channel announced on an unknown chain", action: ErrorAction::IgnoreError});
                        },
                        Err(ChainError::UnknownTx) => {
-                               return Err(HandleError{err: "Channel announced without corresponding UTXO entry", action: Some(ErrorAction::IgnoreError)});
+                               return Err(LightningError{err: "Channel announced without corresponding UTXO entry", action: ErrorAction::IgnoreError});
                        },
                };
 
@@ -527,7 +527,7 @@ impl RoutingMessageHandler for Router {
                                        Self::remove_channel_in_nodes(network.nodes, &entry.get(), msg.contents.short_channel_id);
                                        *entry.get_mut() = chan_info;
                                } else {
-                                       return Err(HandleError{err: "Already have knowledge of channel", action: Some(ErrorAction::IgnoreError)})
+                                       return Err(LightningError{err: "Already have knowledge of channel", action: ErrorAction::IgnoreError})
                                }
                        },
                        BtreeEntry::Vacant(entry) => {
@@ -592,19 +592,19 @@ impl RoutingMessageHandler for Router {
                }
        }
 
-       fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result<bool, HandleError> {
+       fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result<bool, LightningError> {
                let mut network = self.network_map.write().unwrap();
                let dest_node_id;
                let chan_enabled = msg.contents.flags & (1 << 1) != (1 << 1);
                let chan_was_enabled;
 
                match network.channels.get_mut(&NetworkMap::get_key(msg.contents.short_channel_id, msg.contents.chain_hash)) {
-                       None => return Err(HandleError{err: "Couldn't find channel for update", action: Some(ErrorAction::IgnoreError)}),
+                       None => return Err(LightningError{err: "Couldn't find channel for update", action: ErrorAction::IgnoreError}),
                        Some(channel) => {
                                macro_rules! maybe_update_channel_info {
                                        ( $target: expr) => {
                                                if $target.last_update >= msg.contents.timestamp {
-                                                       return Err(HandleError{err: "Update older than last processed update", action: Some(ErrorAction::IgnoreError)});
+                                                       return Err(LightningError{err: "Update older than last processed update", action: ErrorAction::IgnoreError});
                                                }
                                                chan_was_enabled = $target.enabled;
                                                $target.last_update = msg.contents.timestamp;
@@ -824,17 +824,17 @@ impl Router {
        /// The fees on channels from us to next-hops are ignored (as they are assumed to all be
        /// equal), however the enabled/disabled bit on such channels as well as the htlc_minimum_msat
        /// *is* checked as they may change based on the receiving node.
-       pub fn get_route(&self, target: &PublicKey, first_hops: Option<&[channelmanager::ChannelDetails]>, last_hops: &[RouteHint], final_value_msat: u64, final_cltv: u32) -> Result<Route, HandleError> {
+       pub fn get_route(&self, target: &PublicKey, first_hops: Option<&[channelmanager::ChannelDetails]>, last_hops: &[RouteHint], final_value_msat: u64, final_cltv: u32) -> Result<Route, LightningError> {
                // TODO: Obviously *only* using total fee cost sucks. We should consider weighting by
                // uptime/success in using a node in the past.
                let network = self.network_map.read().unwrap();
 
                if *target == network.our_node_id {
-                       return Err(HandleError{err: "Cannot generate a route to ourselves", action: None});
+                       return Err(LightningError{err: "Cannot generate a route to ourselves", action: ErrorAction::IgnoreError});
                }
 
                if final_value_msat > 21_000_000 * 1_0000_0000 * 1000 {
-                       return Err(HandleError{err: "Cannot generate a route of more value than all existing satoshis", action: None});
+                       return Err(LightningError{err: "Cannot generate a route of more value than all existing satoshis", action: ErrorAction::IgnoreError});
                }
 
                // We do a dest-to-source Dijkstra's sorting by each node's distance from the destination
@@ -871,7 +871,7 @@ impl Router {
                                first_hop_targets.insert(chan.remote_network_id, short_channel_id);
                        }
                        if first_hop_targets.is_empty() {
-                               return Err(HandleError{err: "Cannot route when there are no outbound routes away from us", action: None});
+                               return Err(LightningError{err: "Cannot route when there are no outbound routes away from us", action: ErrorAction::IgnoreError});
                        }
                }
 
@@ -985,7 +985,7 @@ impl Router {
                                while res.last().unwrap().pubkey != *target {
                                        let new_entry = match dist.remove(&res.last().unwrap().pubkey) {
                                                Some(hop) => hop.3,
-                                               None => return Err(HandleError{err: "Failed to find a non-fee-overflowing path to the given destination", action: None}),
+                                               None => return Err(LightningError{err: "Failed to find a non-fee-overflowing path to the given destination", action: ErrorAction::IgnoreError}),
                                        };
                                        res.last_mut().unwrap().fee_msat = new_entry.fee_msat;
                                        res.last_mut().unwrap().cltv_expiry_delta = new_entry.cltv_expiry_delta;
@@ -1006,7 +1006,7 @@ impl Router {
                        }
                }
 
-               Err(HandleError{err: "Failed to find a path to the given destination", action: None})
+               Err(LightningError{err: "Failed to find a path to the given destination", action: ErrorAction::IgnoreError})
        }
 }
 
index 96a5b48a76d26877cf58545528fb99f4c3e3b91b..e810368dbc3a5b0066998fef1de3d4ef1f3e894c 100644 (file)
@@ -210,7 +210,7 @@ pub enum MessageSendEvent {
                /// The node_id of the node which should receive this message
                node_id: PublicKey,
                /// The action which should be taken.
-               action: Option<msgs::ErrorAction>
+               action: msgs::ErrorAction
        },
        /// When a payment fails we may receive updates back from the hop where it failed. In such
        /// cases this event is generated so that we can inform the router of this information.
index cc6fe969df81f47fa6864df00905e9aa24c1c51d..c3884d345eebc3a013bff303cf7cdbd9fb83d80a 100644 (file)
@@ -5,7 +5,7 @@ use chain::keysinterface;
 use ln::channelmonitor;
 use ln::msgs;
 use ln::msgs::LocalFeatures;
-use ln::msgs::{HandleError};
+use ln::msgs::{LightningError};
 use ln::channelmonitor::HTLCUpdate;
 use util::events;
 use util::logger::{Logger, Level, Record};
@@ -98,53 +98,53 @@ impl TestChannelMessageHandler {
 }
 
 impl msgs::ChannelMessageHandler for TestChannelMessageHandler {
-       fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::OpenChannel) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_open_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::OpenChannel) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::AcceptChannel) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_accept_channel(&self, _their_node_id: &PublicKey, _their_local_features: LocalFeatures, _msg: &msgs::AcceptChannel) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_funding_created(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingCreated) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_funding_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingSigned) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_funding_locked(&self, _their_node_id: &PublicKey, _msg: &msgs::FundingLocked) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &msgs::Shutdown) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_shutdown(&self, _their_node_id: &PublicKey, _msg: &msgs::Shutdown) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_closing_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::ClosingSigned) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_update_add_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateAddHTLC) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_update_fulfill_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFulfillHTLC) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_update_fail_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailHTLC) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_update_fail_malformed_htlc(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_commitment_signed(&self, _their_node_id: &PublicKey, _msg: &msgs::CommitmentSigned) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_revoke_and_ack(&self, _their_node_id: &PublicKey, _msg: &msgs::RevokeAndACK) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_update_fee(&self, _their_node_id: &PublicKey, _msg: &msgs::UpdateFee) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_announcement_signatures(&self, _their_node_id: &PublicKey, _msg: &msgs::AnnouncementSignatures) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) -> Result<(), HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_channel_reestablish(&self, _their_node_id: &PublicKey, _msg: &msgs::ChannelReestablish) -> Result<(), LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
        fn peer_disconnected(&self, _their_node_id: &PublicKey, _no_connection_possible: bool) {}
        fn peer_connected(&self, _their_node_id: &PublicKey) {}
@@ -168,14 +168,14 @@ impl TestRoutingMessageHandler {
        }
 }
 impl msgs::RoutingMessageHandler for TestRoutingMessageHandler {
-       fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
-       fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, HandleError> {
-               Err(HandleError { err: "", action: None })
+       fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, LightningError> {
+               Err(LightningError { err: "", action: msgs::ErrorAction::IgnoreError })
        }
        fn handle_htlc_fail_channel_update(&self, _update: &msgs::HTLCFailChannelUpdate) {}
        fn get_next_channel_announcements(&self, _starting_point: u64, _batch_amount: u8) -> Vec<(msgs::ChannelAnnouncement, msgs::ChannelUpdate,msgs::ChannelUpdate)> {