From: Valentine Wallace Date: Wed, 1 Sep 2021 21:30:11 +0000 (-0400) Subject: test utils: refactor fail_payment_along_route for mpp X-Git-Tag: v0.0.101~15^2~5 X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=f6f950db75616f308ef0452890d51b103c6037c0;p=rust-lightning test utils: refactor fail_payment_along_route for mpp --- diff --git a/lightning/src/ln/functional_test_utils.rs b/lightning/src/ln/functional_test_utils.rs index 6824fb043..0389da497 100644 --- a/lightning/src/ln/functional_test_utils.rs +++ b/lightning/src/ln/functional_test_utils.rs @@ -1287,77 +1287,96 @@ pub fn send_payment<'a, 'b, 'c>(origin: &Node<'a, 'b, 'c>, expected_route: &[&No claim_payment(&origin, expected_route, our_payment_preimage); } -pub fn fail_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], skip_last: bool, our_payment_hash: PaymentHash) { - assert!(expected_route.last().unwrap().node.fail_htlc_backwards(&our_payment_hash)); - expect_pending_htlcs_forwardable!(expected_route.last().unwrap()); - check_added_monitors!(expected_route.last().unwrap(), 1); - - let mut next_msgs: Option<(msgs::UpdateFailHTLC, msgs::CommitmentSigned)> = None; - macro_rules! update_fail_dance { - ($node: expr, $prev_node: expr, $last_node: expr) => { - { - $node.node.handle_update_fail_htlc(&$prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0); - commitment_signed_dance!($node, $prev_node, next_msgs.as_ref().unwrap().1, !$last_node); - if skip_last && $last_node { - expect_pending_htlcs_forwardable!($node); +pub fn fail_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths_slice: &[&[&Node<'a, 'b, 'c>]], skip_last: bool, our_payment_hash: PaymentHash) { + let mut expected_paths: Vec<_> = expected_paths_slice.iter().collect(); + for path in expected_paths.iter() { + assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id()); + } + assert!(expected_paths[0].last().unwrap().node.fail_htlc_backwards(&our_payment_hash)); + expect_pending_htlcs_forwardable!(expected_paths[0].last().unwrap()); + check_added_monitors!(expected_paths[0].last().unwrap(), expected_paths.len()); + + let mut per_path_msgs: Vec<((msgs::UpdateFailHTLC, msgs::CommitmentSigned), PublicKey)> = Vec::with_capacity(expected_paths.len()); + let events = expected_paths[0].last().unwrap().node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), expected_paths.len()); + for ev in events.iter() { + let (update_fail, commitment_signed, node_id) = match ev { + &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, ref update_fee, ref commitment_signed } } => { + assert!(update_add_htlcs.is_empty()); + assert!(update_fulfill_htlcs.is_empty()); + assert_eq!(update_fail_htlcs.len(), 1); + assert!(update_fail_malformed_htlcs.is_empty()); + assert!(update_fee.is_none()); + (update_fail_htlcs[0].clone(), commitment_signed.clone(), node_id.clone()) + }, + _ => panic!("Unexpected event"), + }; + per_path_msgs.push(((update_fail, commitment_signed), node_id)); + } + per_path_msgs.sort_unstable_by(|(_, node_id_a), (_, node_id_b)| node_id_a.cmp(node_id_b)); + expected_paths.sort_unstable_by(|path_a, path_b| path_a[path_a.len() - 2].node.get_our_node_id().cmp(&path_b[path_b.len() - 2].node.get_our_node_id())); + + for (i, (expected_route, (path_msgs, next_hop))) in expected_paths.iter().zip(per_path_msgs.drain(..)).enumerate() { + let mut next_msgs = Some(path_msgs); + let mut expected_next_node = next_hop; + let mut prev_node = expected_route.last().unwrap(); + + for (idx, node) in expected_route.iter().rev().enumerate().skip(1) { + assert_eq!(expected_next_node, node.node.get_our_node_id()); + let update_next_node = !skip_last || idx != expected_route.len() - 1; + if next_msgs.is_some() { + node.node.handle_update_fail_htlc(&prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0); + commitment_signed_dance!(node, prev_node, next_msgs.as_ref().unwrap().1, update_next_node); + if !update_next_node { + expect_pending_htlcs_forwardable!(node); } } - } - } + let events = node.node.get_and_clear_pending_msg_events(); + if update_next_node { + assert_eq!(events.len(), 1); + match events[0] { + 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, ref update_fee, ref commitment_signed } } => { + assert!(update_add_htlcs.is_empty()); + assert!(update_fulfill_htlcs.is_empty()); + assert_eq!(update_fail_htlcs.len(), 1); + assert!(update_fail_malformed_htlcs.is_empty()); + assert!(update_fee.is_none()); + expected_next_node = node_id.clone(); + next_msgs = Some((update_fail_htlcs[0].clone(), commitment_signed.clone())); + }, + _ => panic!("Unexpected event"), + } + } else { + assert!(events.is_empty()); + } + if !skip_last && idx == expected_route.len() - 1 { + assert_eq!(expected_next_node, origin_node.node.get_our_node_id()); + } - let mut expected_next_node = expected_route.last().unwrap().node.get_our_node_id(); - let mut prev_node = expected_route.last().unwrap(); - for (idx, node) in expected_route.iter().rev().enumerate() { - assert_eq!(expected_next_node, node.node.get_our_node_id()); - if next_msgs.is_some() { - // We may be the "last node" for the purpose of the commitment dance if we're - // skipping the last node (implying it is disconnected) and we're the - // second-to-last node! - update_fail_dance!(node, prev_node, skip_last && idx == expected_route.len() - 1); + prev_node = node; } - let events = node.node.get_and_clear_pending_msg_events(); - if !skip_last || idx != expected_route.len() - 1 { + if !skip_last { + let prev_node = expected_route.first().unwrap(); + origin_node.node.handle_update_fail_htlc(&prev_node.node.get_our_node_id(), &next_msgs.as_ref().unwrap().0); + check_added_monitors!(origin_node, 0); + assert!(origin_node.node.get_and_clear_pending_msg_events().is_empty()); + commitment_signed_dance!(origin_node, prev_node, next_msgs.as_ref().unwrap().1, false); + let events = origin_node.node.get_and_clear_pending_events(); assert_eq!(events.len(), 1); match events[0] { - 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, ref update_fee, ref commitment_signed } } => { - assert!(update_add_htlcs.is_empty()); - assert!(update_fulfill_htlcs.is_empty()); - assert_eq!(update_fail_htlcs.len(), 1); - assert!(update_fail_malformed_htlcs.is_empty()); - assert!(update_fee.is_none()); - expected_next_node = node_id.clone(); - next_msgs = Some((update_fail_htlcs[0].clone(), commitment_signed.clone())); + Event::PaymentFailed { payment_hash, rejected_by_dest, .. } => { + assert_eq!(payment_hash, our_payment_hash); + assert!(rejected_by_dest); }, _ => panic!("Unexpected event"), } - } else { - assert!(events.is_empty()); - } - if !skip_last && idx == expected_route.len() - 1 { - assert_eq!(expected_next_node, origin_node.node.get_our_node_id()); - } - - prev_node = node; - } - - if !skip_last { - update_fail_dance!(origin_node, expected_route.first().unwrap(), true); - - let events = origin_node.node.get_and_clear_pending_events(); - assert_eq!(events.len(), 1); - match events[0] { - Event::PaymentFailed { payment_hash, rejected_by_dest, .. } => { - assert_eq!(payment_hash, our_payment_hash); - assert!(rejected_by_dest); - }, - _ => panic!("Unexpected event"), } } } -pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_route: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash) { - fail_payment_along_route(origin_node, expected_route, false, our_payment_hash); +pub fn fail_payment<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_path: &[&Node<'a, 'b, 'c>], our_payment_hash: PaymentHash) { + fail_payment_along_route(origin_node, &[&expected_path[..]], false, our_payment_hash); } pub fn create_chanmon_cfgs(node_count: usize) -> Vec { diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index e1a57cd7c..452b2db5d 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -3308,7 +3308,7 @@ fn test_simple_peer_disconnect() { nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false); claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], true, payment_preimage_3); - fail_payment_along_route(&nodes[0], &[&nodes[1], &nodes[2]], true, payment_hash_5); + fail_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], true, payment_hash_5); reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (1, 0), (1, 0), (false, false)); {