X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Ffunctional_tests.rs;h=56586b0a29c569be57700a316e109e1bb76edb24;hb=783e8188a7bd6470d5926bf5d1bae1350996801a;hp=4fe5d041028c4a0fefbf8c4ea3dc6e69bda2f88b;hpb=12d799e6cb1b47c240650ab19c092e8687889cb2;p=rust-lightning diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index 4fe5d041..56586b0a 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -18,6 +18,7 @@ use crate::chain::channelmonitor; use crate::chain::channelmonitor::{CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY}; use crate::chain::transaction::OutPoint; use crate::chain::keysinterface::{ChannelSigner, EcdsaChannelSigner, EntropySource}; +use crate::events::{Event, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentPurpose, ClosureReason, HTLCDestination}; use crate::ln::{PaymentPreimage, PaymentSecret, PaymentHash}; use crate::ln::channel::{commitment_tx_base_weight, COMMITMENT_TX_WEIGHT_PER_HTLC, CONCURRENT_INBOUND_HTLC_FEE_BUFFER, FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE, MIN_AFFORDABLE_HTLC_COUNT}; use crate::ln::channelmanager::{self, PaymentId, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA}; @@ -31,9 +32,9 @@ use crate::ln::msgs; use crate::ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, ErrorAction}; use crate::util::enforcing_trait_impls::EnforcingSigner; use crate::util::test_utils; -use crate::util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentPurpose, ClosureReason, HTLCDestination}; use crate::util::errors::APIError; use crate::util::ser::{Writeable, ReadableArgs}; +use crate::util::string::UntrustedString; use crate::util::config::UserConfig; use bitcoin::hash_types::BlockHash; @@ -94,7 +95,7 @@ fn test_insane_channel_opens() { if let MessageSendEvent::HandleError { ref action, .. } = msg_events[0] { match action { &ErrorAction::SendErrorMessage { .. } => { - nodes[1].logger.assert_log_regex("lightning::ln::channelmanager".to_string(), expected_regex, 1); + nodes[1].logger.assert_log_regex("lightning::ln::channelmanager", expected_regex, 1); }, _ => panic!("unexpected event!"), } @@ -1118,7 +1119,7 @@ fn holding_cell_htlc_counting() { unwrap_send_err!(nodes[1].node.send_payment(&route, payment_hash_1, &Some(payment_secret_1), PaymentId(payment_hash_1.0)), true, APIError::ChannelUnavailable { ref err }, assert!(regex::Regex::new(r"Cannot push more than their max accepted HTLCs \(\d+\)").unwrap().is_match(err))); assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); - nodes[1].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot push more than their max accepted HTLCs".to_string(), 1); + nodes[1].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot push more than their max accepted HTLCs", 1); } // This should also be true if we try to forward a payment. @@ -1346,7 +1347,7 @@ fn test_basic_channel_reserve() { _ => panic!("Unexpected error variant"), } assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put our balance under counterparty-announced channel reserve value".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot send value that would put our balance under counterparty-announced channel reserve value", 1); send_payment(&nodes[0], &vec![&nodes[1]], max_can_send); } @@ -1811,7 +1812,7 @@ fn test_channel_reserve_holding_cell_htlcs() { unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret), PaymentId(our_payment_hash.0)), true, APIError::ChannelUnavailable { ref err }, assert!(regex::Regex::new(r"Cannot send value that would put us over the max HTLC value in flight our peer will accept \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us over the max HTLC value in flight our peer will accept".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot send value that would put us over the max HTLC value in flight our peer will accept", 1); } // channel reserve is bigger than their_max_htlc_value_in_flight_msat so loop to deplete @@ -1906,7 +1907,7 @@ fn test_channel_reserve_holding_cell_htlcs() { unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret), PaymentId(our_payment_hash.0)), true, APIError::ChannelUnavailable { ref err }, assert!(regex::Regex::new(r"Cannot send value that would put our balance under counterparty-announced channel reserve value \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put our balance under counterparty-announced channel reserve value".to_string(), 2); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot send value that would put our balance under counterparty-announced channel reserve value", 2); } let (route_22, our_payment_hash_22, our_payment_preimage_22, our_payment_secret_22) = get_route_and_payment_hash!(nodes[0], nodes[2], recv_value_22); @@ -2730,20 +2731,22 @@ fn test_htlc_on_chain_success() { } let chan_id = Some(chan_1.2); match forwarded_events[1] { - Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => { + Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id, outbound_amount_forwarded_msat } => { assert_eq!(fee_earned_msat, Some(1000)); assert_eq!(prev_channel_id, chan_id); assert_eq!(claim_from_onchain_tx, true); assert_eq!(next_channel_id, Some(chan_2.2)); + assert_eq!(outbound_amount_forwarded_msat, Some(3000000)); }, _ => panic!() } match forwarded_events[2] { - Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => { + Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id, outbound_amount_forwarded_msat } => { assert_eq!(fee_earned_msat, Some(1000)); assert_eq!(prev_channel_id, chan_id); assert_eq!(claim_from_onchain_tx, true); assert_eq!(next_channel_id, Some(chan_2.2)); + assert_eq!(outbound_amount_forwarded_msat, Some(3000000)); }, _ => panic!() } @@ -2842,7 +2845,7 @@ fn test_htlc_on_chain_success() { assert_eq!(commitment_spend.input.len(), 2); assert_eq!(commitment_spend.input[0].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); assert_eq!(commitment_spend.input[1].witness.last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); - assert_eq!(commitment_spend.lock_time.0, 0); + assert_eq!(commitment_spend.lock_time.0, nodes[1].best_block_info().1 + 1); assert!(commitment_spend.output[0].script_pubkey.is_v0_p2wpkh()); // direct payment // We don't bother to check that B can claim the HTLC output on its commitment tx here as // we already checked the same situation with A. @@ -4652,11 +4655,12 @@ fn test_onchain_to_onchain_claim() { _ => panic!("Unexpected event"), } match events[1] { - Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id } => { + Event::PaymentForwarded { fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id, outbound_amount_forwarded_msat } => { assert_eq!(fee_earned_msat, Some(1000)); assert_eq!(prev_channel_id, Some(chan_1.2)); assert_eq!(claim_from_onchain_tx, true); assert_eq!(next_channel_id, Some(chan_2.2)); + assert_eq!(outbound_amount_forwarded_msat, Some(3000000)); }, _ => panic!("Unexpected event"), } @@ -4698,7 +4702,7 @@ fn test_onchain_to_onchain_claim() { check_spends!(b_txn[0], commitment_tx[0]); assert_eq!(b_txn[0].input[0].witness.clone().last().unwrap().len(), OFFERED_HTLC_SCRIPT_WEIGHT); assert!(b_txn[0].output[0].script_pubkey.is_v0_p2wpkh()); // direct payment - assert_eq!(b_txn[0].lock_time.0, 0); // Success tx + assert_eq!(b_txn[0].lock_time.0, nodes[1].best_block_info().1 + 1); // Success tx check_closed_broadcast!(nodes[1], true); check_added_monitors!(nodes[1], 1); @@ -5987,7 +5991,7 @@ fn test_update_add_htlc_bolt2_sender_value_below_minimum_msat() { unwrap_send_err!(nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret), PaymentId(our_payment_hash.0)), true, APIError::ChannelUnavailable { ref err }, assert!(regex::Regex::new(r"Cannot send less than their minimum HTLC value \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send less than their minimum HTLC value".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot send less than their minimum HTLC value", 1); } #[test] @@ -6005,7 +6009,7 @@ fn test_update_add_htlc_bolt2_sender_zero_value_msat() { assert_eq!(err, "Cannot send 0-msat HTLC")); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send 0-msat HTLC".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot send 0-msat HTLC", 1); } #[test] @@ -6088,7 +6092,7 @@ fn test_update_add_htlc_bolt2_sender_exceed_max_htlc_num_and_htlc_id_increment() assert!(regex::Regex::new(r"Cannot push more than their max accepted HTLCs \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot push more than their max accepted HTLCs".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot push more than their max accepted HTLCs", 1); } #[test] @@ -6112,7 +6116,7 @@ fn test_update_add_htlc_bolt2_sender_exceed_max_htlc_value_in_flight() { assert!(regex::Regex::new(r"Cannot send value that would put us over the max HTLC value in flight our peer will accept \(\d+\)").unwrap().is_match(err))); assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); - nodes[0].logger.assert_log_contains("lightning::ln::channelmanager".to_string(), "Cannot send value that would put us over the max HTLC value in flight our peer will accept".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channelmanager", "Cannot send value that would put us over the max HTLC value in flight our peer will accept", 1); send_payment(&nodes[0], &[&nodes[1]], max_in_flight); } @@ -6859,7 +6863,7 @@ fn do_test_sweep_outbound_htlc_failure_update(revoked: bool, local: bool) { if !revoked { assert_eq!(timeout_tx[0].input[0].witness.last().unwrap().len(), ACCEPTED_HTLC_SCRIPT_WEIGHT); } else { - assert_eq!(timeout_tx[0].lock_time.0, 0); + assert_eq!(timeout_tx[0].lock_time.0, 12); } // We fail non-dust-HTLC 2 by broadcast of local timeout/revocation-claim tx mine_transaction(&nodes[0], &timeout_tx[0]); @@ -7925,6 +7929,171 @@ fn test_can_not_accept_unknown_inbound_channel() { } } +#[test] +fn test_onion_value_mpp_set_calculation() { + // Test that we use the onion value `amt_to_forward` when + // calculating whether we've reached the `total_msat` of an MPP + // by having a routing node forward more than `amt_to_forward` + // and checking that the receiving node doesn't generate + // a PaymentClaimable event too early + let node_count = 4; + let chanmon_cfgs = create_chanmon_cfgs(node_count); + let node_cfgs = create_node_cfgs(node_count, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(node_count, &node_cfgs, &vec![None; node_count]); + let mut nodes = create_network(node_count, &node_cfgs, &node_chanmgrs); + + let chan_1_id = create_announced_chan_between_nodes(&nodes, 0, 1).0.contents.short_channel_id; + let chan_2_id = create_announced_chan_between_nodes(&nodes, 0, 2).0.contents.short_channel_id; + let chan_3_id = create_announced_chan_between_nodes(&nodes, 1, 3).0.contents.short_channel_id; + let chan_4_id = create_announced_chan_between_nodes(&nodes, 2, 3).0.contents.short_channel_id; + + let total_msat = 100_000; + let expected_paths: &[&[&Node]] = &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]]; + let (mut route, our_payment_hash, our_payment_preimage, our_payment_secret) = get_route_and_payment_hash!(&nodes[0], nodes[3], total_msat); + let sample_path = route.paths.pop().unwrap(); + + let mut path_1 = sample_path.clone(); + path_1[0].pubkey = nodes[1].node.get_our_node_id(); + path_1[0].short_channel_id = chan_1_id; + path_1[1].pubkey = nodes[3].node.get_our_node_id(); + path_1[1].short_channel_id = chan_3_id; + path_1[1].fee_msat = 100_000; + route.paths.push(path_1); + + let mut path_2 = sample_path.clone(); + path_2[0].pubkey = nodes[2].node.get_our_node_id(); + path_2[0].short_channel_id = chan_2_id; + path_2[1].pubkey = nodes[3].node.get_our_node_id(); + path_2[1].short_channel_id = chan_4_id; + path_2[1].fee_msat = 1_000; + route.paths.push(path_2); + + // Send payment + let payment_id = PaymentId(nodes[0].keys_manager.backing.get_secure_random_bytes()); + let onion_session_privs = nodes[0].node.test_add_new_pending_payment(our_payment_hash, Some(our_payment_secret), payment_id, &route).unwrap(); + nodes[0].node.test_send_payment_internal(&route, our_payment_hash, &Some(our_payment_secret), None, payment_id, Some(total_msat), onion_session_privs).unwrap(); + check_added_monitors!(nodes[0], expected_paths.len()); + + let mut events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), expected_paths.len()); + + // First path + let ev = remove_first_msg_event_to_node(&expected_paths[0][0].node.get_our_node_id(), &mut events); + let mut payment_event = SendEvent::from_event(ev); + let mut prev_node = &nodes[0]; + + for (idx, &node) in expected_paths[0].iter().enumerate() { + assert_eq!(node.node.get_our_node_id(), payment_event.node_id); + + if idx == 0 { // routing node + let session_priv = [3; 32]; + let height = nodes[0].best_block_info().1; + let session_priv = SecretKey::from_slice(&session_priv).unwrap(); + let mut onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap(); + let (mut onion_payloads, _, _) = onion_utils::build_onion_payloads(&route.paths[0], 100_000, &Some(our_payment_secret), height + 1, &None).unwrap(); + // Edit amt_to_forward to simulate the sender having set + // the final amount and the routing node taking less fee + onion_payloads[1].amt_to_forward = 99_000; + let new_onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &our_payment_hash); + payment_event.msgs[0].onion_routing_packet = new_onion_packet; + } + + node.node.handle_update_add_htlc(&prev_node.node.get_our_node_id(), &payment_event.msgs[0]); + check_added_monitors!(node, 0); + commitment_signed_dance!(node, prev_node, payment_event.commitment_msg, false); + expect_pending_htlcs_forwardable!(node); + + if idx == 0 { + let mut events_2 = node.node.get_and_clear_pending_msg_events(); + assert_eq!(events_2.len(), 1); + check_added_monitors!(node, 1); + payment_event = SendEvent::from_event(events_2.remove(0)); + assert_eq!(payment_event.msgs.len(), 1); + } else { + let events_2 = node.node.get_and_clear_pending_events(); + assert!(events_2.is_empty()); + } + + prev_node = node; + } + + // Second path + let ev = remove_first_msg_event_to_node(&expected_paths[1][0].node.get_our_node_id(), &mut events); + pass_along_path(&nodes[0], expected_paths[1], 101_000, our_payment_hash.clone(), Some(our_payment_secret), ev, true, None); + + claim_payment_along_route(&nodes[0], expected_paths, false, our_payment_preimage); +} + +fn do_test_overshoot_mpp(msat_amounts: &[u64], total_msat: u64) { + + let routing_node_count = msat_amounts.len(); + let node_count = routing_node_count + 2; + + let chanmon_cfgs = create_chanmon_cfgs(node_count); + let node_cfgs = create_node_cfgs(node_count, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(node_count, &node_cfgs, &vec![None; node_count]); + let nodes = create_network(node_count, &node_cfgs, &node_chanmgrs); + + let src_idx = 0; + let dst_idx = 1; + + // Create channels for each amount + let mut expected_paths = Vec::with_capacity(routing_node_count); + let mut src_chan_ids = Vec::with_capacity(routing_node_count); + let mut dst_chan_ids = Vec::with_capacity(routing_node_count); + for i in 0..routing_node_count { + let routing_node = 2 + i; + let src_chan_id = create_announced_chan_between_nodes(&nodes, src_idx, routing_node).0.contents.short_channel_id; + src_chan_ids.push(src_chan_id); + let dst_chan_id = create_announced_chan_between_nodes(&nodes, routing_node, dst_idx).0.contents.short_channel_id; + dst_chan_ids.push(dst_chan_id); + let path = vec![&nodes[routing_node], &nodes[dst_idx]]; + expected_paths.push(path); + } + let expected_paths: Vec<&[&Node]> = expected_paths.iter().map(|route| route.as_slice()).collect(); + + // Create a route for each amount + let example_amount = 100000; + let (mut route, our_payment_hash, our_payment_preimage, our_payment_secret) = get_route_and_payment_hash!(&nodes[src_idx], nodes[dst_idx], example_amount); + let sample_path = route.paths.pop().unwrap(); + for i in 0..routing_node_count { + let routing_node = 2 + i; + let mut path = sample_path.clone(); + path[0].pubkey = nodes[routing_node].node.get_our_node_id(); + path[0].short_channel_id = src_chan_ids[i]; + path[1].pubkey = nodes[dst_idx].node.get_our_node_id(); + path[1].short_channel_id = dst_chan_ids[i]; + path[1].fee_msat = msat_amounts[i]; + route.paths.push(path); + } + + // Send payment with manually set total_msat + let payment_id = PaymentId(nodes[src_idx].keys_manager.backing.get_secure_random_bytes()); + let onion_session_privs = nodes[src_idx].node.test_add_new_pending_payment(our_payment_hash, Some(our_payment_secret), payment_id, &route).unwrap(); + nodes[src_idx].node.test_send_payment_internal(&route, our_payment_hash, &Some(our_payment_secret), None, payment_id, Some(total_msat), onion_session_privs).unwrap(); + check_added_monitors!(nodes[src_idx], expected_paths.len()); + + let mut events = nodes[src_idx].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), expected_paths.len()); + let mut amount_received = 0; + for (path_idx, expected_path) in expected_paths.iter().enumerate() { + let ev = remove_first_msg_event_to_node(&expected_path[0].node.get_our_node_id(), &mut events); + + let current_path_amount = msat_amounts[path_idx]; + amount_received += current_path_amount; + let became_claimable_now = amount_received >= total_msat && amount_received - current_path_amount < total_msat; + pass_along_path(&nodes[src_idx], expected_path, amount_received, our_payment_hash.clone(), Some(our_payment_secret), ev, became_claimable_now, None); + } + + claim_payment_along_route(&nodes[src_idx], &expected_paths, false, our_payment_preimage); +} + +#[test] +fn test_overshoot_mpp() { + do_test_overshoot_mpp(&[100_000, 101_000], 200_000); + do_test_overshoot_mpp(&[100_000, 10_000, 100_000], 200_000); +} + #[test] fn test_simple_mpp() { // Simple test of sending a multi-path payment. @@ -8344,7 +8513,7 @@ fn test_pre_lockin_no_chan_closed_update() { let channel_id = crate::chain::transaction::OutPoint { txid: funding_created_msg.funding_txid, index: funding_created_msg.funding_output_index }.to_channel_id(); nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id, data: "Hi".to_owned() }); assert!(nodes[0].chain_monitor.added_monitors.lock().unwrap().is_empty()); - check_closed_event!(nodes[0], 2, ClosureReason::CounterpartyForceClosed { peer_msg: "Hi".to_string() }, true); + check_closed_event!(nodes[0], 2, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString("Hi".to_string()) }, true); } #[test] @@ -8802,7 +8971,7 @@ fn test_error_chans_closed() { nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id: chan_2.2, data: "ERR".to_owned() }); check_added_monitors!(nodes[0], 1); check_closed_broadcast!(nodes[0], false); - check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyForceClosed { peer_msg: "ERR".to_string() }); + check_closed_event!(nodes[0], 1, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString("ERR".to_string()) }); assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0).len(), 1); assert_eq!(nodes[0].node.list_usable_channels().len(), 2); assert!(nodes[0].node.list_usable_channels()[0].channel_id == chan_1.2 || nodes[0].node.list_usable_channels()[1].channel_id == chan_1.2); @@ -8812,7 +8981,7 @@ fn test_error_chans_closed() { let _chan_4 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 10001); nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id: [0; 32], data: "ERR".to_owned() }); check_added_monitors!(nodes[0], 2); - check_closed_event!(nodes[0], 2, ClosureReason::CounterpartyForceClosed { peer_msg: "ERR".to_string() }); + check_closed_event!(nodes[0], 2, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString("ERR".to_string()) }); let events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 2); match events[0] { @@ -9502,7 +9671,7 @@ fn do_test_max_dust_htlc_exposure(dust_outbound_balance: bool, exposure_breach_e } nodes[0].node.timer_tick_occurred(); check_added_monitors!(nodes[0], 1); - nodes[0].logger.assert_log_contains("lightning::ln::channel".to_string(), "Cannot afford to send new feerate at 2530 without infringing max dust htlc exposure".to_string(), 1); + nodes[0].logger.assert_log_contains("lightning::ln::channel", "Cannot afford to send new feerate at 2530 without infringing max dust htlc exposure", 1); } let _ = nodes[0].node.get_and_clear_pending_msg_events();