From: Valentine Wallace Date: Fri, 24 Feb 2023 03:46:45 +0000 (-0500) Subject: Fix PaymentPathFailed generation and scid on initial send X-Git-Tag: v0.0.114-beta~3^2 X-Git-Url: http://git.bitcoin.ninja/?a=commitdiff_plain;h=f2f90d5fb0c7a6f04b43e9475aa89bc2d58ee319;p=rust-lightning Fix PaymentPathFailed generation and scid on initial send --- diff --git a/lightning/src/ln/outbound_payment.rs b/lightning/src/ln/outbound_payment.rs index e6454b0ae..b83eb4174 100644 --- a/lightning/src/ln/outbound_payment.rs +++ b/lightning/src/ln/outbound_payment.rs @@ -782,13 +782,13 @@ impl OutboundPayments { debug_assert_eq!(paths.len(), path_results.len()); for (path, path_res) in paths.into_iter().zip(path_results) { if let Err(e) = path_res { - let failed_scid = if let APIError::InvalidRoute { .. } = e { - None - } else { + if let APIError::MonitorUpdateInProgress = e { continue } + let mut failed_scid = None; + if let APIError::ChannelUnavailable { .. } = e { let scid = path[0].short_channel_id; + failed_scid = Some(scid); route_params.payment_params.previously_failed_channels.push(scid); - Some(scid) - }; + } events.push(events::Event::PaymentPathFailed { payment_id: Some(payment_id), payment_hash, @@ -1353,12 +1353,14 @@ mod tests { use crate::ln::PaymentHash; use crate::ln::channelmanager::PaymentId; + use crate::ln::features::{ChannelFeatures, NodeFeatures}; use crate::ln::msgs::{ErrorAction, LightningError}; use crate::ln::outbound_payment::{OutboundPayments, Retry, RetryableSendFailure}; use crate::routing::gossip::NetworkGraph; - use crate::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteParameters}; + use crate::routing::router::{InFlightHtlcs, PaymentParameters, Route, RouteHop, RouteParameters}; use crate::sync::{Arc, Mutex}; - use crate::util::events::Event; + use crate::util::errors::APIError; + use crate::util::events::{Event, PathFailure}; use crate::util::test_utils; #[test] @@ -1455,4 +1457,92 @@ mod tests { } else { panic!("Unexpected error"); } } } + + #[test] + fn initial_send_payment_path_failed_evs() { + let outbound_payments = OutboundPayments::new(); + let logger = test_utils::TestLogger::new(); + let genesis_hash = genesis_block(Network::Testnet).header.block_hash(); + let network_graph = Arc::new(NetworkGraph::new(genesis_hash, &logger)); + let scorer = Mutex::new(test_utils::TestScorer::new()); + let router = test_utils::TestRouter::new(network_graph, &scorer); + let secp_ctx = Secp256k1::new(); + let keys_manager = test_utils::TestKeysInterface::new(&[0; 32], Network::Testnet); + + let sender_pk = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap()); + let receiver_pk = PublicKey::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[43; 32]).unwrap()); + let payment_params = PaymentParameters::from_node_id(sender_pk, 0); + let route_params = RouteParameters { + payment_params: payment_params.clone(), + final_value_msat: 0, + final_cltv_expiry_delta: 0, + }; + let failed_scid = 42; + let route = Route { + paths: vec![vec![RouteHop { + pubkey: receiver_pk, + node_features: NodeFeatures::empty(), + short_channel_id: failed_scid, + channel_features: ChannelFeatures::empty(), + fee_msat: 0, + cltv_expiry_delta: 0, + }]], + payment_params: Some(payment_params), + }; + router.expect_find_route(route_params.clone(), Ok(route.clone())); + let mut route_params_w_failed_scid = route_params.clone(); + route_params_w_failed_scid.payment_params.previously_failed_channels.push(failed_scid); + router.expect_find_route(route_params_w_failed_scid, Ok(route.clone())); + router.expect_find_route(route_params.clone(), Ok(route.clone())); + router.expect_find_route(route_params.clone(), Ok(route.clone())); + + // Ensure that a ChannelUnavailable error will result in blaming an scid in the + // PaymentPathFailed event. + let pending_events = Mutex::new(Vec::new()); + outbound_payments.send_payment( + PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), route_params.clone(), + &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger, + &pending_events, + |_, _, _, _, _, _, _, _, _| Err(APIError::ChannelUnavailable { err: "test".to_owned() })) + .unwrap(); + let mut events = pending_events.lock().unwrap(); + assert_eq!(events.len(), 2); + if let Event::PaymentPathFailed { + short_channel_id, + failure: PathFailure::InitialSend { err: APIError::ChannelUnavailable { .. }}, .. } = events[0] + { + assert_eq!(short_channel_id, Some(failed_scid)); + } else { panic!("Unexpected event"); } + if let Event::PaymentFailed { .. } = events[1] { } else { panic!("Unexpected event"); } + events.clear(); + core::mem::drop(events); + + // Ensure that a MonitorUpdateInProgress "error" will not result in a PaymentPathFailed event. + outbound_payments.send_payment( + PaymentHash([0; 32]), &None, PaymentId([0; 32]), Retry::Attempts(0), route_params.clone(), + &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger, + &pending_events, |_, _, _, _, _, _, _, _, _| Err(APIError::MonitorUpdateInProgress)) + .unwrap(); + { + let events = pending_events.lock().unwrap(); + assert_eq!(events.len(), 0); + } + + // Ensure that any other error will result in a PaymentPathFailed event but no blamed scid. + outbound_payments.send_payment( + PaymentHash([0; 32]), &None, PaymentId([1; 32]), Retry::Attempts(0), route_params.clone(), + &&router, vec![], || InFlightHtlcs::new(), &&keys_manager, &&keys_manager, 0, &&logger, + &pending_events, + |_, _, _, _, _, _, _, _, _| Err(APIError::APIMisuseError { err: "test".to_owned() })) + .unwrap(); + let events = pending_events.lock().unwrap(); + assert_eq!(events.len(), 2); + if let Event::PaymentPathFailed { + short_channel_id, + failure: PathFailure::InitialSend { err: APIError::APIMisuseError { .. }}, .. } = events[0] + { + assert_eq!(short_channel_id, None); + } else { panic!("Unexpected event"); } + if let Event::PaymentFailed { .. } = events[1] { } else { panic!("Unexpected event"); } + } }