},
events::MessageSendEvent::SendFundingLocked { .. } => continue,
events::MessageSendEvent::SendAnnouncementSignatures { .. } => continue,
- events::MessageSendEvent::PaymentFailureNetworkUpdate { .. } => continue,
events::MessageSendEvent::SendChannelUpdate { ref node_id, ref msg } => {
assert_eq!(msg.contents.flags & 2, 0); // The disable bit must never be set!
if Some(*node_id) == expect_drop_id { panic!("peer_disconnected should drop msgs bound for the disconnected peer"); }
events::MessageSendEvent::SendAnnouncementSignatures { .. } => {
// Can be generated as a reestablish response
},
- events::MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {
- // Can be generated due to a payment forward being rejected due to a
- // channel having previously failed a monitor update
- },
events::MessageSendEvent::SendChannelUpdate { ref msg, .. } => {
// When we reconnect we will resend a channel_update to make sure our
// counterparty has the latest parameters for receiving payments
events::MessageSendEvent::SendChannelReestablish { .. } => {},
events::MessageSendEvent::SendFundingLocked { .. } => {},
events::MessageSendEvent::SendAnnouncementSignatures { .. } => {},
- events::MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
events::MessageSendEvent::SendChannelUpdate { ref msg, .. } => {
assert_eq!(msg.contents.flags & 2, 0); // The disable bit must never be set!
},
events::MessageSendEvent::SendChannelReestablish { .. } => {},
events::MessageSendEvent::SendFundingLocked { .. } => {},
events::MessageSendEvent::SendAnnouncementSignatures { .. } => {},
- events::MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
events::MessageSendEvent::SendChannelUpdate { ref msg, .. } => {
assert_eq!(msg.contents.flags & 2, 0); // The disable bit must never be set!
},
fn handle_node_announcement(&self, _msg: &NodeAnnouncement) -> Result<bool, LightningError> { Ok(false) }
fn handle_channel_announcement(&self, _msg: &ChannelAnnouncement) -> Result<bool, LightningError> { Ok(false) }
fn handle_channel_update(&self, _msg: &ChannelUpdate) -> Result<bool, LightningError> { Ok(false) }
- fn handle_htlc_fail_channel_update(&self, _update: &HTLCFailChannelUpdate) { }
fn get_next_channel_announcements(&self, _starting_point: u64, _batch_amount: u8) -> Vec<(ChannelAnnouncement, Option<ChannelUpdate>, Option<ChannelUpdate>)> { Vec::new() }
fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<NodeAnnouncement> { Vec::new() }
fn sync_routing_table(&self, _their_node_id: &PublicKey, _init_msg: &Init) { }
events::Event::PaymentFailed {
payment_hash,
rejected_by_dest: false,
+ network_update: None,
#[cfg(test)]
error_code: None,
#[cfg(test)]
match &onion_error {
&HTLCFailReason::LightningError { ref err } => {
#[cfg(test)]
- let (channel_update, payment_retryable, onion_error_code, onion_error_data) = onion_utils::process_onion_failure(&self.secp_ctx, &self.logger, &source, err.data.clone());
+ let (network_update, payment_retryable, onion_error_code, onion_error_data) = onion_utils::process_onion_failure(&self.secp_ctx, &self.logger, &source, err.data.clone());
#[cfg(not(test))]
- let (channel_update, payment_retryable, _, _) = onion_utils::process_onion_failure(&self.secp_ctx, &self.logger, &source, err.data.clone());
+ let (network_update, payment_retryable, _, _) = onion_utils::process_onion_failure(&self.secp_ctx, &self.logger, &source, err.data.clone());
// TODO: If we decided to blame ourselves (or one of our channels) in
// process_onion_failure we should close that channel as it implies our
// next-hop is needlessly blaming us!
- if let Some(update) = channel_update {
- self.channel_state.lock().unwrap().pending_msg_events.push(
- events::MessageSendEvent::PaymentFailureNetworkUpdate {
- update,
- }
- );
- }
self.pending_events.lock().unwrap().push(
events::Event::PaymentFailed {
payment_hash: payment_hash.clone(),
rejected_by_dest: !payment_retryable,
+ network_update,
#[cfg(test)]
error_code: onion_error_code,
#[cfg(test)]
ref data,
.. } => {
// we get a fail_malformed_htlc from the first hop
- // TODO: We'd like to generate a PaymentFailureNetworkUpdate for temporary
+ // TODO: We'd like to generate a NetworkUpdate for temporary
// failures here, but that would be insufficient as get_route
// generally ignores its view of our own channels as we provide them via
// ChannelDetails.
events::Event::PaymentFailed {
payment_hash: payment_hash.clone(),
rejected_by_dest: path.len() == 1,
+ network_update: None,
#[cfg(test)]
error_code: Some(*failure_code),
#[cfg(test)]
&events::MessageSendEvent::BroadcastChannelUpdate { .. } => true,
&events::MessageSendEvent::SendChannelUpdate { ref node_id, .. } => node_id != counterparty_node_id,
&events::MessageSendEvent::HandleError { ref node_id, .. } => node_id != counterparty_node_id,
- &events::MessageSendEvent::PaymentFailureNetworkUpdate { .. } => true,
&events::MessageSendEvent::SendChannelRangeQuery { .. } => false,
&events::MessageSendEvent::SendShortIdsQuery { .. } => false,
&events::MessageSendEvent::SendReplyChannelRange { .. } => false,
}
#[cfg(test)]
-macro_rules! expect_payment_failure_chan_update {
- ($node: expr, $scid: expr, $chan_closed: expr) => {
- let events = $node.node.get_and_clear_pending_msg_events();
+macro_rules! expect_payment_failed_with_update {
+ ($node: expr, $expected_payment_hash: expr, $rejected_by_dest: expr, $scid: expr, $chan_closed: expr) => {
+ let events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => {
- match update {
- &HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg } if !$chan_closed => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest, ref network_update, ref error_code, ref error_data } => {
+ assert_eq!(*payment_hash, $expected_payment_hash, "unexpected payment_hash");
+ assert_eq!(rejected_by_dest, $rejected_by_dest, "unexpected rejected_by_dest value");
+ assert!(error_code.is_some(), "expected error_code.is_some() = true");
+ assert!(error_data.is_some(), "expected error_data.is_some() = true");
+ match network_update {
+ &Some(NetworkUpdate::ChannelUpdateMessage { ref msg }) if !$chan_closed => {
assert_eq!(msg.contents.short_channel_id, $scid);
assert_eq!(msg.contents.flags & 2, 0);
},
- &HTLCFailChannelUpdate::ChannelClosed { short_channel_id, is_permanent } if $chan_closed => {
+ &Some(NetworkUpdate::ChannelClosed { short_channel_id, is_permanent }) if $chan_closed => {
assert_eq!(short_channel_id, $scid);
assert!(is_permanent);
},
- _ => panic!("Unexpected update type"),
+ Some(_) => panic!("Unexpected update type"),
+ None => panic!("Expected update"),
}
},
_ => panic!("Unexpected event"),
let events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
- Event::PaymentFailed { ref payment_hash, rejected_by_dest, ref error_code, ref error_data } => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest, network_update: _, ref error_code, ref error_data } => {
assert_eq!(*payment_hash, $expected_payment_hash, "unexpected payment_hash");
assert_eq!(rejected_by_dest, $rejected_by_dest, "unexpected rejected_by_dest value");
assert!(error_code.is_some(), "expected error_code.is_some() = true");
use ln::{chan_utils, onion_utils};
use ln::chan_utils::HTLC_SUCCESS_TX_WEIGHT;
use routing::router::{Route, RouteHop, RouteHint, RouteHintHop, get_route, get_keysend_route};
-use routing::network_graph::RoutingFees;
+use routing::network_graph::{NetworkUpdate, RoutingFees};
use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate, ErrorAction};
+use ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, ErrorAction};
use util::enforcing_trait_impls::EnforcingSigner;
use util::{byte_utils, test_utils};
use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], bs_fail_updates.commitment_signed, false, true);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, false);
- expect_payment_failed!(nodes[0], payment_hash_2, false);
+ expect_payment_failed_with_update!(nodes[0], payment_hash_2, false, chan_2.0.contents.short_channel_id, false);
// Now forward all the pending HTLCs and claim them back
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &initial_payment_event.msgs[0]);
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], commitment_signed, false, true);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, true);
- expect_payment_failed!(nodes[0], payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], payment_hash, false, chan_2.0.contents.short_channel_id, true);
},
_ => panic!("Unexpected event"),
}
commitment_signed_dance!(nodes[0], nodes[1], commitment_signed, false, true);
- let events = nodes[0].node.get_and_clear_pending_msg_events();
- // If we delivered B's RAA we got an unknown preimage error, not something
- // that we should update our routing table for.
- assert_eq!(events.len(), if deliver_bs_raa { 2 } else { 3 });
- for event in events {
- match event {
- MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
- _ => panic!("Unexpected event"),
- }
- }
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 3);
match events[0] {
- Event::PaymentFailed { ref payment_hash, .. } => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest: _, ref network_update, .. } => {
assert!(failed_htlcs.insert(payment_hash.0));
+ // If we delivered B's RAA we got an unknown preimage error, not something
+ // that we should update our routing table for.
+ if !deliver_bs_raa {
+ assert!(network_update.is_some());
+ }
},
_ => panic!("Unexpected event"),
}
match events[1] {
- Event::PaymentFailed { ref payment_hash, .. } => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest: _, ref network_update, .. } => {
assert!(failed_htlcs.insert(payment_hash.0));
+ assert!(network_update.is_some());
},
_ => panic!("Unexpected event"),
}
match events[2] {
- Event::PaymentFailed { ref payment_hash, .. } => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest: _, ref network_update, .. } => {
assert!(failed_htlcs.insert(payment_hash.0));
+ assert!(network_update.is_some());
},
_ => panic!("Unexpected event"),
}
},
_ => unreachable!(),
}
- expect_payment_failed!(nodes[0], second_payment_hash, false);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, false);
+ expect_payment_failed_with_update!(nodes[0], second_payment_hash, false, chan_2.0.contents.short_channel_id, false);
} else {
expect_payment_failed!(nodes[1], second_payment_hash, true);
}
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
{
commitment_signed_dance!(nodes[0], nodes[1], &htlc_updates.commitment_signed, false, true);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, true);
}
- expect_payment_failed!(nodes[0], duplicate_payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], duplicate_payment_hash, false, chan_2.0.contents.short_channel_id, true);
// Solve 2nd HTLC by broadcasting on B's chain HTLC-Success Tx from C
// Note that the fee paid is effectively double as the HTLC value (including the nodes[1] fee
let as_events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(as_events.len(), if announce_latest { 5 } else { 3 });
let mut as_failds = HashSet::new();
+ let mut as_updates = 0;
for event in as_events.iter() {
- if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, .. } = event {
+ if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, .. } = event {
assert!(as_failds.insert(*payment_hash));
if *payment_hash != payment_hash_2 {
assert_eq!(*rejected_by_dest, deliver_last_raa);
} else {
assert!(!rejected_by_dest);
}
+ if network_update.is_some() {
+ as_updates += 1;
+ }
} else { panic!("Unexpected event"); }
}
assert!(as_failds.contains(&payment_hash_1));
let bs_events = nodes[1].node.get_and_clear_pending_events();
assert_eq!(bs_events.len(), if announce_latest { 4 } else { 3 });
let mut bs_failds = HashSet::new();
+ let mut bs_updates = 0;
for event in bs_events.iter() {
- if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, .. } = event {
+ if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, .. } = event {
assert!(bs_failds.insert(*payment_hash));
if *payment_hash != payment_hash_1 && *payment_hash != payment_hash_5 {
assert_eq!(*rejected_by_dest, deliver_last_raa);
} else {
assert!(!rejected_by_dest);
}
+ if network_update.is_some() {
+ bs_updates += 1;
+ }
} else { panic!("Unexpected event"); }
}
assert!(bs_failds.contains(&payment_hash_1));
assert!(bs_failds.contains(&payment_hash_5));
// For each HTLC which was not failed-back by normal process (ie deliver_last_raa), we should
- // get a PaymentFailureNetworkUpdate. A should have gotten 4 HTLCs which were failed-back due
- // to unknown-preimage-etc, B should have gotten 2. Thus, in the
- // announce_latest && deliver_last_raa case, we should have 5-4=1 and 4-2=2
- // PaymentFailureNetworkUpdates.
- let as_msg_events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(as_msg_events.len(), if deliver_last_raa { 1 } else if !announce_latest { 3 } else { 5 });
- let bs_msg_events = nodes[1].node.get_and_clear_pending_msg_events();
- assert_eq!(bs_msg_events.len(), if deliver_last_raa { 2 } else if !announce_latest { 3 } else { 4 });
- for event in as_msg_events.iter().chain(bs_msg_events.iter()) {
- match event {
- &MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
- _ => panic!("Unexpected event"),
- }
- }
+ // get a NetworkUpdate. A should have gotten 4 HTLCs which were failed-back due to
+ // unknown-preimage-etc, B should have gotten 2. Thus, in the
+ // announce_latest && deliver_last_raa case, we should have 5-4=1 and 4-2=2 NetworkUpdates.
+ assert_eq!(as_updates, if deliver_last_raa { 1 } else if !announce_latest { 3 } else { 5 });
+ assert_eq!(bs_updates, if deliver_last_raa { 2 } else if !announce_latest { 3 } else { 4 });
}
#[test]
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match &events[0] {
- &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref error_code, ref error_data } => {
+ &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, ref error_code, ref error_data } => {
assert_eq!(our_payment_hash.clone(), *payment_hash);
assert_eq!(*rejected_by_dest, false);
+ assert_eq!(*network_update, None);
assert_eq!(*error_code, None);
assert_eq!(*error_data, None);
},
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match &events[0] {
- &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref error_code, ref error_data } => {
+ &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, ref error_code, ref error_data } => {
assert_eq!(payment_hash_2.clone(), *payment_hash);
assert_eq!(*rejected_by_dest, false);
+ assert_eq!(*network_update, None);
assert_eq!(*error_code, None);
assert_eq!(*error_data, None);
},
_ => panic!("Unexpected event"),
};
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &raa);
- expect_payment_failure_chan_update!(nodes[0], chan_1_2.0.contents.short_channel_id, false);
- expect_payment_failed!(nodes[0], our_payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, chan_1_2.0.contents.short_channel_id, false);
check_added_monitors!(nodes[0], 1);
}
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_fail_updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], htlc_fail_updates.commitment_signed, true, true);
- expect_payment_failed!(nodes[0], our_payment_hash, false);
- expect_payment_failure_chan_update!(nodes[0], nodes[2].node.list_channels()[0].short_channel_id.unwrap(), true);
+ expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, nodes[2].node.list_channels()[0].short_channel_id.unwrap(), true);
// Now disconnect nodes[1] from its peers and restart with accept_forwards_to_priv_channels set
// to true. Sadly there is currently no way to change it at runtime.
assert!(updates.update_fee.is_none());
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, true, true);
- expect_payment_failed!(nodes[0], payment_hash, false);
- expect_payment_failure_chan_update!(nodes[0], chan_announce.contents.short_channel_id, true);
+ expect_payment_failed_with_update!(nodes[0], payment_hash, false, chan_announce.contents.short_channel_id, true);
}
}
use chain::channelmonitor::ANTI_REORG_DELAY;
use ln::{PaymentPreimage, PaymentHash};
use ln::features::InitFeatures;
-use ln::msgs::{ChannelMessageHandler, HTLCFailChannelUpdate, ErrorAction};
+use ln::msgs::{ChannelMessageHandler, ErrorAction};
use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
+use routing::network_graph::NetworkUpdate;
use routing::router::get_route;
use bitcoin::hashes::sha256::Hash as Sha256;
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], fail_updates.commitment_signed, true, true);
- expect_payment_failed!(nodes[0], payment_hash, false);
- expect_payment_failure_chan_update!(nodes[0], update_a.contents.short_channel_id, true);
+ expect_payment_failed_with_update!(nodes[0], payment_hash, false, update_a.contents.short_channel_id, true);
}
pub commitment_signed: CommitmentSigned,
}
-/// The information we received from a peer along the route of a payment we originated. This is
-/// returned by ChannelMessageHandler::handle_update_fail_htlc to be passed into
-/// RoutingMessageHandler::handle_htlc_fail_channel_update to update our network map.
-#[derive(Clone, Debug, PartialEq)]
-pub enum HTLCFailChannelUpdate {
- /// We received an error which included a full ChannelUpdate message.
- ChannelUpdateMessage {
- /// The unwrapped message we received
- msg: ChannelUpdate,
- },
- /// We received an error which indicated only that a channel has been closed
- ChannelClosed {
- /// The short_channel_id which has now closed.
- short_channel_id: u64,
- /// when this true, this channel should be permanently removed from the
- /// consideration. Otherwise, this channel can be restored as new channel_update is received
- is_permanent: bool,
- },
- /// We received an error which indicated only that a node has failed
- NodeFailure {
- /// The node_id that has failed.
- node_id: PublicKey,
- /// when this true, node should be permanently removed from the
- /// consideration. Otherwise, the channels connected to this node can be
- /// restored as new channel_update is received
- is_permanent: bool,
- }
-}
-
/// Messages could have optional fields to use with extended features
/// As we wish to serialize these differently from Option<T>s (Options get a tag byte, but
/// OptionalFeild simply gets Present if there are enough bytes to read into it), we have a
/// 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, 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
/// to a remote node, starting at the short_channel_id indicated by starting_point and
/// including the batch_amount entries immediately higher in numerical value than starting_point.
use ln::channelmanager::{HTLCForwardInfo, CLTV_FAR_FAR_AWAY};
use ln::onion_utils;
use routing::router::{Route, get_route};
+use routing::network_graph::NetworkUpdate;
use ln::features::{InitFeatures, InvoiceFeatures};
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, ChannelUpdate, HTLCFailChannelUpdate, OptionalField};
+use ln::msgs::{ChannelMessageHandler, ChannelUpdate, OptionalField};
use util::test_utils;
use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
use util::ser::{Writeable, Writer};
use ln::functional_test_utils::*;
-fn run_onion_failure_test<F1,F2>(_name: &str, test_case: u8, nodes: &Vec<Node>, route: &Route, payment_hash: &PaymentHash, payment_secret: &PaymentSecret, callback_msg: F1, callback_node: F2, expected_retryable: bool, expected_error_code: Option<u16>, expected_channel_update: Option<HTLCFailChannelUpdate>)
+fn run_onion_failure_test<F1,F2>(_name: &str, test_case: u8, nodes: &Vec<Node>, route: &Route, payment_hash: &PaymentHash, payment_secret: &PaymentSecret, callback_msg: F1, callback_node: F2, expected_retryable: bool, expected_error_code: Option<u16>, expected_channel_update: Option<NetworkUpdate>)
where F1: for <'a> FnMut(&'a mut msgs::UpdateAddHTLC),
F2: FnMut(),
{
// 3: final node fails backward (but tamper onion payloads from node0)
// 100: trigger error in the intermediate node and tamper returning fail_htlc
// 200: trigger error in the final node and tamper returning fail_htlc
-fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case: u8, nodes: &Vec<Node>, route: &Route, payment_hash: &PaymentHash, payment_secret: &PaymentSecret, mut callback_msg: F1, mut callback_fail: F2, mut callback_node: F3, expected_retryable: bool, expected_error_code: Option<u16>, expected_channel_update: Option<HTLCFailChannelUpdate>)
+fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case: u8, nodes: &Vec<Node>, route: &Route, payment_hash: &PaymentHash, payment_secret: &PaymentSecret, mut callback_msg: F1, mut callback_fail: F2, mut callback_node: F3, expected_retryable: bool, expected_error_code: Option<u16>, expected_channel_update: Option<NetworkUpdate>)
where F1: for <'a> FnMut(&'a mut msgs::UpdateAddHTLC),
F2: for <'a> FnMut(&'a mut msgs::UpdateFailHTLC),
F3: FnMut(),
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
- if let &Event::PaymentFailed { payment_hash:_, ref rejected_by_dest, ref error_code, error_data: _ } = &events[0] {
+ if let &Event::PaymentFailed { payment_hash:_, ref rejected_by_dest, ref network_update, ref error_code, error_data: _ } = &events[0] {
assert_eq!(*rejected_by_dest, !expected_retryable);
assert_eq!(*error_code, expected_error_code);
- } else {
- panic!("Uexpected event");
- }
-
- let events = nodes[0].node.get_and_clear_pending_msg_events();
- if expected_channel_update.is_some() {
- assert_eq!(events.len(), 1);
- match events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => {
- match update {
- &HTLCFailChannelUpdate::ChannelUpdateMessage { .. } => {
- if let HTLCFailChannelUpdate::ChannelUpdateMessage { .. } = expected_channel_update.unwrap() {} else {
+ if expected_channel_update.is_some() {
+ match network_update {
+ Some(update) => match update {
+ &NetworkUpdate::ChannelUpdateMessage { .. } => {
+ if let NetworkUpdate::ChannelUpdateMessage { .. } = expected_channel_update.unwrap() {} else {
panic!("channel_update not found!");
}
},
- &HTLCFailChannelUpdate::ChannelClosed { ref short_channel_id, ref is_permanent } => {
- if let HTLCFailChannelUpdate::ChannelClosed { short_channel_id: ref expected_short_channel_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() {
+ &NetworkUpdate::ChannelClosed { ref short_channel_id, ref is_permanent } => {
+ if let NetworkUpdate::ChannelClosed { short_channel_id: ref expected_short_channel_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() {
assert!(*short_channel_id == *expected_short_channel_id);
assert!(*is_permanent == *expected_is_permanent);
} else {
panic!("Unexpected message event");
}
},
- &HTLCFailChannelUpdate::NodeFailure { ref node_id, ref is_permanent } => {
- if let HTLCFailChannelUpdate::NodeFailure { node_id: ref expected_node_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() {
+ &NetworkUpdate::NodeFailure { ref node_id, ref is_permanent } => {
+ if let NetworkUpdate::NodeFailure { node_id: ref expected_node_id, is_permanent: ref expected_is_permanent } = expected_channel_update.unwrap() {
assert!(*node_id == *expected_node_id);
assert!(*is_permanent == *expected_is_permanent);
} else {
}
},
}
- },
- _ => panic!("Unexpected message event"),
+ None => panic!("Expected channel update"),
+ }
+ } else {
+ assert!(network_update.is_none());
}
} else {
- assert_eq!(events.len(), 0);
+ panic!("Unexpected event");
}
}
let (_, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[2]);
run_onion_failure_test("fee_insufficient", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| {
msg.amount_msat -= 1;
- }, || {}, true, Some(UPDATE|12), Some(msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true}));
+ }, || {}, true, Some(UPDATE|12), Some(NetworkUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true}));
// In an earlier version, we spuriously failed to forward payments if the expected feerate
// changed between the channel open and the payment.
// describing a length-1 TLV payload, which is obviously bogus.
new_payloads[0].data[0] = 1;
msg.onion_routing_packet = onion_utils::construct_onion_packet_bogus_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash);
- }, ||{}, true, Some(PERM|22), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));//XXX incremented channels idx here
+ }, ||{}, true, Some(PERM|22), Some(NetworkUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));
// final node failure
run_onion_failure_test("invalid_realm", 3, &nodes, &route, &payment_hash, &payment_secret, |msg| {
// length-1 TLV payload, which is obviously bogus.
new_payloads[1].data[0] = 1;
msg.onion_routing_packet = onion_utils::construct_onion_packet_bogus_hopdata(new_payloads, onion_keys, [0; 32], &payment_hash);
- }, ||{}, false, Some(PERM|22), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));
+ }, ||{}, false, Some(PERM|22), Some(NetworkUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));
// the following three with run_onion_failure_test_with_fail_intercept() test only the origin node
// receiving simulated fail messages
let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], NODE|2, &[0;0]);
- }, ||{}, true, Some(NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: false}));
+ }, ||{}, true, Some(NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: false}));
// final node failure
run_onion_failure_test_with_fail_intercept("temporary_node_failure", 200, &nodes, &route, &payment_hash, &payment_secret, |_msg| {}, |msg| {
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], NODE|2, &[0;0]);
}, ||{
nodes[2].node.fail_htlc_backwards(&payment_hash);
- }, true, Some(NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: false}));
+ }, true, Some(NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: false}));
let (_, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[2]);
// intermediate node failure
let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|NODE|2, &[0;0]);
- }, ||{}, true, Some(PERM|NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: true}));
+ }, ||{}, true, Some(PERM|NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: true}));
// final node failure
run_onion_failure_test_with_fail_intercept("permanent_node_failure", 200, &nodes, &route, &payment_hash, &payment_secret, |_msg| {}, |msg| {
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|2, &[0;0]);
}, ||{
nodes[2].node.fail_htlc_backwards(&payment_hash);
- }, false, Some(PERM|NODE|2), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: true}));
+ }, false, Some(PERM|NODE|2), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: true}));
let (_, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[2]);
// intermediate node failure
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|NODE|3, &[0;0]);
}, ||{
nodes[2].node.fail_htlc_backwards(&payment_hash);
- }, true, Some(PERM|NODE|3), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: true}));
+ }, true, Some(PERM|NODE|3), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][0].pubkey, is_permanent: true}));
// final node failure
run_onion_failure_test_with_fail_intercept("required_node_feature_missing", 200, &nodes, &route, &payment_hash, &payment_secret, |_msg| {}, |msg| {
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[1].shared_secret[..], PERM|NODE|3, &[0;0]);
}, ||{
nodes[2].node.fail_htlc_backwards(&payment_hash);
- }, false, Some(PERM|NODE|3), Some(msgs::HTLCFailChannelUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: true}));
+ }, false, Some(PERM|NODE|3), Some(NetworkUpdate::NodeFailure{node_id: route.paths[0][1].pubkey, is_permanent: true}));
let (_, payment_hash, payment_secret) = get_payment_preimage_hash!(nodes[2]);
run_onion_failure_test("invalid_onion_version", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| { msg.onion_routing_packet.version = 1; }, ||{}, true,
let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], UPDATE|7, &ChannelUpdate::dummy().encode_with_len()[..]);
- }, ||{}, true, Some(UPDATE|7), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
+ }, ||{}, true, Some(UPDATE|7), Some(NetworkUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
run_onion_failure_test_with_fail_intercept("permanent_channel_failure", 100, &nodes, &route, &payment_hash, &payment_secret, |msg| {
msg.amount_msat -= 1;
let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|8, &[0;0]);
// short_channel_id from the processing node
- }, ||{}, true, Some(PERM|8), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));
+ }, ||{}, true, Some(PERM|8), Some(NetworkUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));
run_onion_failure_test_with_fail_intercept("required_channel_feature_missing", 100, &nodes, &route, &payment_hash, &payment_secret, |msg| {
msg.amount_msat -= 1;
let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
msg.reason = onion_utils::build_first_hop_failure_packet(&onion_keys[0].shared_secret[..], PERM|9, &[0;0]);
// short_channel_id from the processing node
- }, ||{}, true, Some(PERM|9), Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));
+ }, ||{}, true, Some(PERM|9), Some(NetworkUpdate::ChannelClosed{short_channel_id: channels[1].0.contents.short_channel_id, is_permanent: true}));
let mut bogus_route = route.clone();
bogus_route.paths[0][1].short_channel_id -= 1;
run_onion_failure_test("unknown_next_peer", 0, &nodes, &bogus_route, &payment_hash, &payment_secret, |_| {}, ||{}, true, Some(PERM|10),
- Some(msgs::HTLCFailChannelUpdate::ChannelClosed{short_channel_id: bogus_route.paths[0][1].short_channel_id, is_permanent:true}));
+ Some(NetworkUpdate::ChannelClosed{short_channel_id: bogus_route.paths[0][1].short_channel_id, is_permanent:true}));
let amt_to_forward = nodes[1].node.channel_state.lock().unwrap().by_id.get(&channels[1].2).unwrap().get_counterparty_htlc_minimum_msat() - 1;
let mut bogus_route = route.clone();
let route_len = bogus_route.paths[0].len();
bogus_route.paths[0][route_len-1].fee_msat = amt_to_forward;
- run_onion_failure_test("amount_below_minimum", 0, &nodes, &bogus_route, &payment_hash, &payment_secret, |_| {}, ||{}, true, Some(UPDATE|11), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
+ run_onion_failure_test("amount_below_minimum", 0, &nodes, &bogus_route, &payment_hash, &payment_secret, |_| {}, ||{}, true, Some(UPDATE|11), Some(NetworkUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
// Test a positive test-case with one extra msat, meeting the minimum.
bogus_route.paths[0][route_len-1].fee_msat = amt_to_forward + 1;
//invalid channel_update cases.
run_onion_failure_test("fee_insufficient", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| {
msg.amount_msat -= 1;
- }, || {}, true, Some(UPDATE|12), Some(msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true}));
+ }, || {}, true, Some(UPDATE|12), Some(NetworkUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true}));
run_onion_failure_test("incorrect_cltv_expiry", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| {
// need to violate: cltv_expiry - cltv_expiry_delta >= outgoing_cltv_value
msg.cltv_expiry -= 1;
- }, || {}, true, Some(UPDATE|13), Some(msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true}));
+ }, || {}, true, Some(UPDATE|13), Some(NetworkUpdate::ChannelClosed { short_channel_id: channels[0].0.contents.short_channel_id, is_permanent: true}));
run_onion_failure_test("expiry_too_soon", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| {
let height = msg.cltv_expiry - CLTV_CLAIM_BUFFER - LATENCY_GRACE_PERIOD_BLOCKS + 1;
connect_blocks(&nodes[0], height - nodes[0].best_block_info().1);
connect_blocks(&nodes[1], height - nodes[1].best_block_info().1);
connect_blocks(&nodes[2], height - nodes[2].best_block_info().1);
- }, ||{}, true, Some(UPDATE|14), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
+ }, ||{}, true, Some(UPDATE|14), Some(NetworkUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
run_onion_failure_test("unknown_payment_hash", 2, &nodes, &route, &payment_hash, &payment_secret, |_| {}, || {
nodes[2].node.fail_htlc_backwards(&payment_hash);
// disconnect event to the channel between nodes[1] ~ nodes[2]
nodes[1].node.peer_disconnected(&nodes[2].node.get_our_node_id(), false);
nodes[2].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
- }, true, Some(UPDATE|20), Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
+ }, true, Some(UPDATE|20), Some(NetworkUpdate::ChannelUpdateMessage{msg: ChannelUpdate::dummy()}));
reconnect_nodes(&nodes[1], &nodes[2], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
run_onion_failure_test("expiry_too_far", 0, &nodes, &route, &payment_hash, &payment_secret, |msg| {
use ln::{PaymentHash, PaymentPreimage, PaymentSecret};
use ln::channelmanager::HTLCSource;
use ln::msgs;
+use routing::network_graph::NetworkUpdate;
use routing::router::RouteHop;
use util::chacha20::ChaCha20;
use util::errors::{self, APIError};
/// OutboundRoute).
/// Returns update, a boolean indicating that the payment itself failed, and the error code.
#[inline]
-pub(super) fn process_onion_failure<T: secp256k1::Signing, L: Deref>(secp_ctx: &Secp256k1<T>, logger: &L, htlc_source: &HTLCSource, mut packet_decrypted: Vec<u8>) -> (Option<msgs::HTLCFailChannelUpdate>, bool, Option<u16>, Option<Vec<u8>>) where L::Target: Logger {
+pub(super) fn process_onion_failure<T: secp256k1::Signing, L: Deref>(secp_ctx: &Secp256k1<T>, logger: &L, htlc_source: &HTLCSource, mut packet_decrypted: Vec<u8>) -> (Option<NetworkUpdate>, bool, Option<u16>, Option<Vec<u8>>) where L::Target: Logger {
if let &HTLCSource::OutboundRoute { ref path, ref session_priv, ref first_hop_htlc_msat } = htlc_source {
let mut res = None;
let mut htlc_msat = *first_hop_htlc_msat;
} && is_from_final_node) // PERM bit observed below even this error is from the intermediate nodes
|| error_code == 21; // Special case error 21 as the Route object is bogus, TODO: Maybe fail the node if the CLTV was reasonable?
- let mut fail_channel_update = None;
+ let mut network_update = None;
if error_code & NODE == NODE {
- fail_channel_update = Some(msgs::HTLCFailChannelUpdate::NodeFailure { node_id: route_hop.pubkey, is_permanent: error_code & PERM == PERM });
+ network_update = Some(NetworkUpdate::NodeFailure { node_id: route_hop.pubkey, is_permanent: error_code & PERM == PERM });
}
else if error_code & PERM == PERM {
- fail_channel_update = if payment_failed {None} else {Some(msgs::HTLCFailChannelUpdate::ChannelClosed {
+ network_update = if payment_failed { None } else { Some(NetworkUpdate::ChannelClosed {
short_channel_id: path[next_route_hop_ix - if next_route_hop_ix == path.len() { 1 } else { 0 }].short_channel_id,
is_permanent: true,
})};
20 => chan_update.contents.flags & 2 == 0,
_ => false, // unknown error code; take channel_update as valid
};
- fail_channel_update = if is_chan_update_invalid {
+ network_update = if is_chan_update_invalid {
// This probably indicates the node which forwarded
// to the node in question corrupted something.
- Some(msgs::HTLCFailChannelUpdate::ChannelClosed {
+ Some(NetworkUpdate::ChannelClosed {
short_channel_id: route_hop.short_channel_id,
is_permanent: true,
})
} else {
- Some(msgs::HTLCFailChannelUpdate::ChannelUpdateMessage {
+ Some(NetworkUpdate::ChannelUpdateMessage {
msg: chan_update,
})
};
}
}
}
- if fail_channel_update.is_none() {
+ if network_update.is_none() {
// They provided an UPDATE which was obviously bogus, not worth
// trying to relay through them anymore.
- fail_channel_update = Some(msgs::HTLCFailChannelUpdate::NodeFailure {
+ network_update = Some(NetworkUpdate::NodeFailure {
node_id: route_hop.pubkey,
is_permanent: true,
});
// We can't understand their error messages and they failed to
// forward...they probably can't understand our forwards so its
// really not worth trying any further.
- fail_channel_update = Some(msgs::HTLCFailChannelUpdate::NodeFailure {
+ network_update = Some(NetworkUpdate::NodeFailure {
node_id: route_hop.pubkey,
is_permanent: true,
});
// TODO: Here (and a few other places) we assume that BADONION errors
// are always "sourced" from the node previous to the one which failed
// to decode the onion.
- res = Some((fail_channel_update, !(error_code & PERM == PERM && is_from_final_node)));
+ res = Some((network_update, !(error_code & PERM == PERM && is_from_final_node)));
let (description, title) = errors::get_onion_error_description(error_code);
if debug_field_size > 0 && err_packet.failuremsg.len() >= 4 + debug_field_size {
} else {
// Useless packet that we can't use but it passed HMAC, so it
// definitely came from the peer in question
- res = Some((Some(msgs::HTLCFailChannelUpdate::NodeFailure {
+ res = Some((Some(NetworkUpdate::NodeFailure {
node_id: route_hop.pubkey,
is_permanent: true,
}), !is_from_final_node));
fn handle_node_announcement(&self, _msg: &msgs::NodeAnnouncement) -> Result<bool, LightningError> { Ok(false) }
fn handle_channel_announcement(&self, _msg: &msgs::ChannelAnnouncement) -> Result<bool, LightningError> { Ok(false) }
fn handle_channel_update(&self, _msg: &msgs::ChannelUpdate) -> Result<bool, LightningError> { Ok(false) }
- 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, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> { Vec::new() }
fn get_next_node_announcements(&self, _starting_point: Option<&PublicKey>, _batch_amount: u8) -> Vec<msgs::NodeAnnouncement> { Vec::new() }
let peer = get_peer_for_forwarding!(node_id);
peer.pending_outbound_buffer.push_back(peer.channel_encryptor.encrypt_message(&encode_msg!(msg)));
},
- MessageSendEvent::PaymentFailureNetworkUpdate { ref update } => {
- self.message_handler.route_handler.handle_htlc_fail_channel_update(update);
- },
MessageSendEvent::HandleError { ref node_id, ref action } => {
match *action {
msgs::ErrorAction::DisconnectPeer { ref msg } => {
use chain::{Confirm, Watch};
use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs};
use ln::features::InitFeatures;
-use ln::msgs::{ChannelMessageHandler, ErrorAction, HTLCFailChannelUpdate};
+use ln::msgs::{ChannelMessageHandler, ErrorAction};
+use routing::network_graph::NetworkUpdate;
use util::enforcing_trait_impls::EnforcingSigner;
use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
use util::test_utils;
if claim {
expect_payment_sent!(nodes[0], our_payment_preimage);
} else {
- let events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(events.len(), 1);
- if let MessageSendEvent::PaymentFailureNetworkUpdate { update: HTLCFailChannelUpdate::ChannelClosed { ref is_permanent, .. } } = events[0] {
- assert!(is_permanent);
- } else { panic!("Unexpected event!"); }
- expect_payment_failed!(nodes[0], our_payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, chan_2.0.contents.short_channel_id, true);
}
}
use chain::transaction::OutPoint;
use ln::{PaymentPreimage, PaymentHash};
use ln::channelmanager::PaymentSendFailure;
+use routing::network_graph::NetworkUpdate;
use routing::router::get_route;
use ln::features::{InitFeatures, InvoiceFeatures};
use ln::msgs;
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates_2.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], updates_2.commitment_signed, false, true);
- expect_payment_failed!(nodes[0], our_payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, chan_2.0.contents.short_channel_id, true);
let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(msg_events.len(), 2);
- match msg_events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { update: msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id, is_permanent }} => {
- assert_eq!(short_channel_id, chan_2.0.contents.short_channel_id);
- assert!(is_permanent);
- },
- _ => panic!("Unexpected event"),
- }
- let node_0_closing_signed = match msg_events[1] {
+ assert_eq!(msg_events.len(), 1);
+ let node_0_closing_signed = match msg_events[0] {
MessageSendEvent::SendClosingSigned { ref node_id, ref msg } => {
assert_eq!(*node_id, nodes[1].node.get_our_node_id());
(*msg).clone()
nodes: RwLockReadGuard<'a, BTreeMap<PublicKey, NodeInfo>>,
}
+/// Update to the [`NetworkGraph`] based on payment failure information conveyed via the Onion
+/// return packet by a node along the route. See [BOLT #4] for details.
+///
+/// [BOLT #4]: https://github.com/lightningnetwork/lightning-rfc/blob/master/04-onion-routing.md
+#[derive(Clone, Debug, PartialEq)]
+pub enum NetworkUpdate {
+ /// An error indicating a `channel_update` messages should be applied via
+ /// [`NetworkGraph::update_channel`].
+ ChannelUpdateMessage {
+ /// The update to apply via [`NetworkGraph::update_channel`].
+ msg: ChannelUpdate,
+ },
+ /// An error indicating only that a channel has been closed, which should be applied via
+ /// [`NetworkGraph::close_channel_from_update`].
+ ChannelClosed {
+ /// The short channel id of the closed channel.
+ short_channel_id: u64,
+ /// Whether the channel should be permanently removed or temporarily disabled until a new
+ /// `channel_update` message is received.
+ is_permanent: bool,
+ },
+ /// An error indicating only that a node has failed, which should be applied via
+ /// [`NetworkGraph::fail_node`].
+ NodeFailure {
+ /// The node id of the failed node.
+ node_id: PublicKey,
+ /// Whether the node should be permanently removed from consideration or can be restored
+ /// when a new `channel_update` message is received.
+ is_permanent: bool,
+ }
+}
+
+impl_writeable_tlv_based_enum_upgradable!(NetworkUpdate,
+ (0, ChannelUpdateMessage) => {
+ (0, msg, required),
+ },
+ (2, ChannelClosed) => {
+ (0, short_channel_id, required),
+ (2, is_permanent, required),
+ },
+ (4, NodeFailure) => {
+ (0, node_id, required),
+ (2, is_permanent, required),
+ },
+);
+
/// Receives and validates network updates from peers,
/// stores authentic and relevant data as a network graph.
/// This network graph is then used for routing payments.
Ok(msg.contents.excess_data.len() <= MAX_EXCESS_BYTES_FOR_RELAY)
}
- fn handle_htlc_fail_channel_update(&self, update: &msgs::HTLCFailChannelUpdate) {
- match update {
- &msgs::HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg } => {
- let chan_enabled = msg.contents.flags & (1 << 1) != (1 << 1);
- log_debug!(self.logger, "Updating channel with channel_update from a payment failure. Channel {} is {}abled.", msg.contents.short_channel_id, if chan_enabled { "en" } else { "dis" });
- let _ = self.network_graph.update_channel(msg, &self.secp_ctx);
- },
- &msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id, is_permanent } => {
- log_debug!(self.logger, "{} channel graph entry for {} due to a payment failure.", if is_permanent { "Removing" } else { "Disabling" }, short_channel_id);
- self.network_graph.close_channel_from_update(short_channel_id, is_permanent);
- },
- &msgs::HTLCFailChannelUpdate::NodeFailure { ref node_id, is_permanent } => {
- log_debug!(self.logger, "{} node graph entry for {} due to a payment failure.", if is_permanent { "Removing" } else { "Disabling" }, node_id);
- self.network_graph.fail_node(node_id, is_permanent);
- },
- }
- }
-
fn handle_channel_update(&self, msg: &msgs::ChannelUpdate) -> Result<bool, LightningError> {
self.network_graph.update_channel(msg, &self.secp_ctx)?;
Ok(msg.contents.excess_data.len() <= MAX_EXCESS_BYTES_FOR_RELAY)
}
}
- fn fail_node(&self, _node_id: &PublicKey, is_permanent: bool) {
+ /// Marks a node in the graph as failed.
+ pub fn fail_node(&self, _node_id: &PublicKey, is_permanent: bool) {
if is_permanent {
// TODO: Wholly remove the node
} else {
use ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
use routing::network_graph::{NetGraphMsgHandler, NetworkGraph, MAX_EXCESS_BYTES_FOR_RELAY};
use ln::msgs::{Init, OptionalField, RoutingMessageHandler, UnsignedNodeAnnouncement, NodeAnnouncement,
- UnsignedChannelAnnouncement, ChannelAnnouncement, UnsignedChannelUpdate, ChannelUpdate, HTLCFailChannelUpdate,
+ UnsignedChannelAnnouncement, ChannelAnnouncement, UnsignedChannelUpdate, ChannelUpdate,
ReplyChannelRange, ReplyShortChannelIdsEnd, QueryChannelRange, QueryShortChannelIds, MAX_VALUE_MSAT};
use util::test_utils;
use util::logger::Logger;
};
}
- let channel_close_msg = HTLCFailChannelUpdate::ChannelClosed {
- short_channel_id,
- is_permanent: false
- };
-
- net_graph_msg_handler.handle_htlc_fail_channel_update(&channel_close_msg);
+ net_graph_msg_handler.network_graph.close_channel_from_update(short_channel_id, false);
// Non-permanent closing just disables a channel
{
};
}
- let channel_close_msg = HTLCFailChannelUpdate::ChannelClosed {
- short_channel_id,
- is_permanent: true
- };
-
- net_graph_msg_handler.handle_htlc_fail_channel_update(&channel_close_msg);
+ net_graph_msg_handler.network_graph.close_channel_from_update(short_channel_id, true);
// Permanent closing deletes a channel
{
// Nodes are also deleted because there are no associated channels anymore
assert_eq!(network.read_only().nodes().len(), 0);
}
- // TODO: Test HTLCFailChannelUpdate::NodeFailure, which is not implemented yet.
+ // TODO: Test NetworkUpdate::NodeFailure, which is not implemented yet.
}
#[test]
//! future, as well as generate and broadcast funding transactions handle payment preimages and a
//! few other things.
+use chain::keysinterface::SpendableOutputDescriptor;
use ln::msgs;
use ln::{PaymentPreimage, PaymentHash, PaymentSecret};
-use chain::keysinterface::SpendableOutputDescriptor;
+use routing::network_graph::NetworkUpdate;
use util::ser::{Writeable, Writer, MaybeReadable, Readable, VecReadWrapper, VecWriteWrapper};
use bitcoin::blockdata::script::Script;
/// the payment has failed, not just the route in question. If this is not set, you may
/// retry the payment via a different route.
rejected_by_dest: bool,
+ /// Any failure information conveyed via the Onion return packet by a node along the failed
+ /// payment route. Should be applied to the [`NetworkGraph`] so that routing decisions can
+ /// take into account the update.
+ ///
+ /// [`NetworkGraph`]: crate::routing::network_graph::NetworkGraph
+ network_update: Option<NetworkUpdate>,
#[cfg(test)]
error_code: Option<u16>,
#[cfg(test)]
(0, payment_preimage, required),
});
},
- &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest,
+ &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update,
#[cfg(test)]
ref error_code,
#[cfg(test)]
error_data.write(writer)?;
write_tlv_fields!(writer, {
(0, payment_hash, required),
+ (1, network_update, option),
(2, rejected_by_dest, required),
});
},
let error_data = Readable::read(reader)?;
let mut payment_hash = PaymentHash([0; 32]);
let mut rejected_by_dest = false;
+ let mut network_update = None;
read_tlv_fields!(reader, {
(0, payment_hash, required),
+ (1, network_update, ignorable),
(2, rejected_by_dest, required),
});
Ok(Some(Event::PaymentFailed {
payment_hash,
rejected_by_dest,
+ network_update,
#[cfg(test)]
error_code,
#[cfg(test)]
/// The action which should be taken.
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 network graph of this information.
- PaymentFailureNetworkUpdate {
- /// The channel/node update which should be sent to NetGraphMsgHandler
- update: msgs::HTLCFailChannelUpdate,
- },
/// Query a peer for channels with funding transaction UTXOs in a block range.
SendChannelRangeQuery {
/// The node_id of this message recipient
self.chan_upds_recvd.fetch_add(1, Ordering::AcqRel);
Err(msgs::LightningError { err: "".to_owned(), 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, Option<msgs::ChannelUpdate>, Option<msgs::ChannelUpdate>)> {
let mut chan_anns = Vec::new();
const TOTAL_UPDS: u64 = 100;
projects / rust-lightning / commitdiff