X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fln%2Ffunctional_tests.rs;h=00db1f5ca552bd1942807a9b0f03c5ab53d173dc;hb=6e776d9fb99b90c60ce88d951b9e9fbc2cb35a1a;hp=0999d6ecc2ce48523164515a778553e44e9732d3;hpb=feb203d3b16538e279dba05fe3a8c6cbe1d9be97;p=rust-lightning diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs index 0999d6ec..00db1f5c 100644 --- a/lightning/src/ln/functional_tests.rs +++ b/lightning/src/ln/functional_tests.rs @@ -18,13 +18,13 @@ use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PER use chain::transaction::OutPoint; use chain::keysinterface::BaseSign; use ln::{PaymentPreimage, PaymentSecret, PaymentHash}; -use 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 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 ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, PaymentId, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA, PAYMENT_EXPIRY_BLOCKS }; use ln::channel::{Channel, ChannelError}; use ln::{chan_utils, onion_utils}; -use ln::chan_utils::{HTLC_SUCCESS_TX_WEIGHT, HTLC_TIMEOUT_TX_WEIGHT, HTLCOutputInCommitment}; +use ln::chan_utils::{htlc_success_tx_weight, htlc_timeout_tx_weight, HTLCOutputInCommitment}; use routing::network_graph::RoutingFees; -use routing::router::{Payee, Route, RouteHop, RouteHint, RouteHintHop, RouteParameters, find_route, get_route}; +use routing::router::{PaymentParameters, Route, RouteHop, RouteHint, RouteHintHop, RouteParameters, find_route, get_route}; use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures}; use ln::msgs; use ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, ErrorAction}; @@ -127,7 +127,8 @@ fn do_test_counterparty_no_reserve(send_from_initiator: bool) { // Have node0 initiate a channel to node1 with aforementioned parameters let mut push_amt = 100_000_000; let feerate_per_kw = 253; - push_amt -= feerate_per_kw as u64 * (COMMITMENT_TX_BASE_WEIGHT + 4 * COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000 * 1000; + let opt_anchors = false; + push_amt -= feerate_per_kw as u64 * (commitment_tx_base_weight(opt_anchors) + 4 * COMMITMENT_TX_WEIGHT_PER_HTLC) / 1000 * 1000; push_amt -= Channel::::get_holder_selected_channel_reserve_satoshis(100_000) * 1000; let temp_channel_id = nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, if send_from_initiator { 0 } else { push_amt }, 42, None).unwrap(); @@ -163,7 +164,7 @@ fn do_test_counterparty_no_reserve(send_from_initiator: bool) { // Note that for outbound channels we have to consider the commitment tx fee and the // "fee spike buffer", which is currently a multiple of the total commitment tx fee as // well as an additional HTLC. - - FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE * commit_tx_fee_msat(feerate_per_kw, 2)); + - FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE * commit_tx_fee_msat(feerate_per_kw, 2, opt_anchors)); } else { send_payment(&nodes[1], &[&nodes[0]], push_amt); } @@ -482,10 +483,54 @@ fn do_test_1_conf_open(connect_style: ConnectStyle) { let tx = create_chan_between_nodes_with_value_init(&nodes[0], &nodes[1], 100000, 10001, InitFeatures::known(), InitFeatures::known()); mine_transaction(&nodes[1], &tx); nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &get_event_msg!(nodes[1], MessageSendEvent::SendFundingLocked, nodes[0].node.get_our_node_id())); + assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); mine_transaction(&nodes[0], &tx); - let (funding_locked, _) = create_chan_between_nodes_with_value_confirm_second(&nodes[1], &nodes[0]); - let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_locked); + let as_msg_events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(as_msg_events.len(), 2); + let as_funding_locked = if let MessageSendEvent::SendFundingLocked { ref node_id, ref msg } = as_msg_events[0] { + assert_eq!(*node_id, nodes[1].node.get_our_node_id()); + msg.clone() + } else { panic!("Unexpected event"); }; + if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = as_msg_events[1] { + assert_eq!(*node_id, nodes[1].node.get_our_node_id()); + } else { panic!("Unexpected event"); } + + nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked); + let bs_msg_events = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(bs_msg_events.len(), 1); + if let MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } = bs_msg_events[0] { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + } else { panic!("Unexpected event"); } + + send_payment(&nodes[0], &[&nodes[1]], 100_000); + + // After 6 confirmations, as required by the spec, we'll send announcement_signatures and + // broadcast the channel_announcement (but not before exactly 6 confirmations). + connect_blocks(&nodes[0], 4); + assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty()); + connect_blocks(&nodes[0], 1); + nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &get_event_msg!(nodes[0], MessageSendEvent::SendAnnouncementSignatures, nodes[1].node.get_our_node_id())); + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + + connect_blocks(&nodes[1], 5); + let bs_announce_events = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(bs_announce_events.len(), 2); + let bs_announcement_sigs = if let MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } = bs_announce_events[0] { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + msg.clone() + } else { panic!("Unexpected event"); }; + let (bs_announcement, bs_update) = if let MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } = bs_announce_events[1] { + (msg.clone(), update_msg.clone()) + } else { panic!("Unexpected event"); }; + + nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs); + let as_announce_events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(as_announce_events.len(), 1); + let (announcement, as_update) = if let MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } = as_announce_events[0] { + (msg.clone(), update_msg.clone()) + } else { panic!("Unexpected event"); }; + assert_eq!(announcement, bs_announcement); for node in nodes { assert!(node.net_graph_msg_handler.handle_channel_announcement(&announcement).unwrap()); @@ -647,12 +692,14 @@ fn test_update_fee_that_funder_cannot_afford() { let secp_ctx = Secp256k1::new(); let bs_channel_reserve_sats = Channel::::get_holder_selected_channel_reserve_satoshis(channel_value); + let opt_anchors = false; + // Calculate the maximum feerate that A can afford. Note that we don't send an update_fee // CONCURRENT_INBOUND_HTLC_FEE_BUFFER HTLCs before actually running out of local balance, so we // calculate two different feerates here - the expected local limit as well as the expected // remote limit. - let feerate = ((channel_value - bs_channel_reserve_sats - push_sats) * 1000 / (COMMITMENT_TX_BASE_WEIGHT + CONCURRENT_INBOUND_HTLC_FEE_BUFFER as u64 * COMMITMENT_TX_WEIGHT_PER_HTLC)) as u32; - let non_buffer_feerate = ((channel_value - bs_channel_reserve_sats - push_sats) * 1000 / COMMITMENT_TX_BASE_WEIGHT) as u32; + let feerate = ((channel_value - bs_channel_reserve_sats - push_sats) * 1000 / (commitment_tx_base_weight(opt_anchors) + CONCURRENT_INBOUND_HTLC_FEE_BUFFER as u64 * COMMITMENT_TX_WEIGHT_PER_HTLC)) as u32; + let non_buffer_feerate = ((channel_value - bs_channel_reserve_sats - push_sats) * 1000 / commitment_tx_base_weight(opt_anchors)) as u32; { let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap(); *feerate_lock = feerate; @@ -671,7 +718,7 @@ fn test_update_fee_that_funder_cannot_afford() { //We made sure neither party's funds are below the dust limit and there are no HTLCs here assert_eq!(commitment_tx.output.len(), 2); - let total_fee: u64 = commit_tx_fee_msat(feerate, 0) / 1000; + let total_fee: u64 = commit_tx_fee_msat(feerate, 0, opt_anchors) / 1000; let mut actual_fee = commitment_tx.output.iter().fold(0, |acc, output| acc + output.value); actual_fee = channel_value - actual_fee; assert_eq!(total_fee, actual_fee); @@ -720,14 +767,14 @@ fn test_update_fee_that_funder_cannot_afford() { let commitment_tx = CommitmentTransaction::new_with_auxiliary_htlc_data( INITIAL_COMMITMENT_NUMBER - 1, push_sats, - channel_value - push_sats - commit_tx_fee_msat(non_buffer_feerate + 4, 0) / 1000, - false, local_funding, remote_funding, + channel_value - push_sats - commit_tx_fee_msat(non_buffer_feerate + 4, 0, opt_anchors) / 1000, + opt_anchors, local_funding, remote_funding, commit_tx_keys.clone(), non_buffer_feerate + 4, &mut htlcs, &local_chan.channel_transaction_parameters.as_counterparty_broadcastable() ); - local_chan_signer.sign_counterparty_commitment(&commitment_tx, &secp_ctx).unwrap() + local_chan_signer.sign_counterparty_commitment(&commitment_tx, Vec::new(), &secp_ctx).unwrap() }; let commit_signed_msg = msgs::CommitmentSigned { @@ -1034,7 +1081,7 @@ fn fake_network_test() { }); hops[1].fee_msat = chan_4.1.contents.fee_base_msat as u64 + chan_4.1.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000; hops[0].fee_msat = chan_3.0.contents.fee_base_msat as u64 + chan_3.0.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000; - let payment_preimage_1 = send_along_route(&nodes[1], Route { paths: vec![hops], payee: None }, &vec!(&nodes[2], &nodes[3], &nodes[1])[..], 1000000).0; + let payment_preimage_1 = send_along_route(&nodes[1], Route { paths: vec![hops], payment_params: None }, &vec!(&nodes[2], &nodes[3], &nodes[1])[..], 1000000).0; let mut hops = Vec::with_capacity(3); hops.push(RouteHop { @@ -1063,7 +1110,7 @@ fn fake_network_test() { }); hops[1].fee_msat = chan_2.1.contents.fee_base_msat as u64 + chan_2.1.contents.fee_proportional_millionths as u64 * hops[2].fee_msat as u64 / 1000000; hops[0].fee_msat = chan_3.1.contents.fee_base_msat as u64 + chan_3.1.contents.fee_proportional_millionths as u64 * hops[1].fee_msat as u64 / 1000000; - let payment_hash_2 = send_along_route(&nodes[1], Route { paths: vec![hops], payee: None }, &vec!(&nodes[3], &nodes[2], &nodes[1])[..], 1000000).1; + let payment_hash_2 = send_along_route(&nodes[1], Route { paths: vec![hops], payment_params: None }, &vec!(&nodes[3], &nodes[2], &nodes[1])[..], 1000000).1; // Claim the rebalances... fail_payment(&nodes[1], &vec!(&nodes[3], &nodes[2], &nodes[1])[..], payment_hash_2); @@ -1349,7 +1396,7 @@ fn test_basic_channel_reserve() { let channel_reserve = chan_stat.channel_reserve_msat; // The 2* and +1 are for the fee spike reserve. - let commit_tx_fee = 2 * commit_tx_fee_msat(get_feerate!(nodes[0], chan.2), 1 + 1); + let commit_tx_fee = 2 * commit_tx_fee_msat(get_feerate!(nodes[0], chan.2), 1 + 1, get_opt_anchors!(nodes[0], chan.2)); let max_can_send = 5000000 - channel_reserve - commit_tx_fee; let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], max_can_send + 1); let err = nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).err().unwrap(); @@ -1457,13 +1504,13 @@ fn test_fee_spike_violation_fails_htlc() { commitment_number, 95000, local_chan_balance, - false, local_funding, remote_funding, + local_chan.opt_anchors(), local_funding, remote_funding, commit_tx_keys.clone(), feerate_per_kw, &mut vec![(accepted_htlc_info, ())], &local_chan.channel_transaction_parameters.as_counterparty_broadcastable() ); - local_chan_signer.sign_counterparty_commitment(&commitment_tx, &secp_ctx).unwrap() + local_chan_signer.sign_counterparty_commitment(&commitment_tx, Vec::new(), &secp_ctx).unwrap() }; let commit_signed_msg = msgs::CommitmentSigned { @@ -1512,8 +1559,10 @@ fn test_chan_reserve_violation_outbound_htlc_inbound_chan() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + let opt_anchors = false; + let mut push_amt = 100_000_000; - push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64); + push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64, opt_anchors); push_amt -= Channel::::get_holder_selected_channel_reserve_satoshis(100_000) * 1000; let _ = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, push_amt, InitFeatures::known(), InitFeatures::known()); @@ -1539,11 +1588,13 @@ fn test_chan_reserve_violation_inbound_htlc_outbound_channel() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + let opt_anchors = false; + // Set nodes[0]'s balance such that they will consider any above-dust received HTLC to be a // channel reserve violation (so their balance is channel reserve (1000 sats) + commitment // transaction fee with 0 HTLCs (183 sats)). let mut push_amt = 100_000_000; - push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64); + push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64, opt_anchors); push_amt -= Channel::::get_holder_selected_channel_reserve_satoshis(100_000) * 1000; let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, push_amt, InitFeatures::known(), InitFeatures::known()); @@ -1590,16 +1641,18 @@ fn test_chan_reserve_dust_inbound_htlcs_outbound_chan() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None, None]); let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + let opt_anchors = false; + // Set nodes[0]'s balance such that they will consider any above-dust received HTLC to be a // channel reserve violation (so their balance is channel reserve (1000 sats) + commitment // transaction fee with 0 HTLCs (183 sats)). let mut push_amt = 100_000_000; - push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64); + push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64, opt_anchors); push_amt -= Channel::::get_holder_selected_channel_reserve_satoshis(100_000) * 1000; create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, push_amt, InitFeatures::known(), InitFeatures::known()); let dust_amt = crate::ln::channel::MIN_CHAN_DUST_LIMIT_SATOSHIS * 1000 - + feerate_per_kw as u64 * HTLC_SUCCESS_TX_WEIGHT / 1000 * 1000 - 1; + + feerate_per_kw as u64 * htlc_success_tx_weight(opt_anchors) / 1000 * 1000 - 1; // In the previous code, routing this dust payment would cause nodes[0] to perceive a channel // reserve violation even though it's a dust HTLC and therefore shouldn't count towards the // commitment transaction fee. @@ -1626,10 +1679,12 @@ fn test_chan_init_feerate_unaffordability() { let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs); + let opt_anchors = false; + // Set the push_msat amount such that nodes[0] will not be able to afford to add even a single // HTLC. let mut push_amt = 100_000_000; - push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64); + push_amt -= commit_tx_fee_msat(feerate_per_kw, MIN_AFFORDABLE_HTLC_COUNT as u64, opt_anchors); assert_eq!(nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100_000, push_amt + 1, 42, None).unwrap_err(), APIError::APIMisuseError { err: "Funding amount (356) can't even pay fee for initial commitment transaction fee of 357.".to_string() }); @@ -1694,9 +1749,10 @@ fn test_chan_reserve_violation_inbound_htlc_inbound_chan() { let total_routing_fee_msat = (nodes.len() - 2) as u64 * feemsat; let chan_stat = get_channel_value_stat!(nodes[0], chan.2); let feerate = get_feerate!(nodes[0], chan.2); + let opt_anchors = get_opt_anchors!(nodes[0], chan.2); // Add a 2* and +1 for the fee spike reserve. - let commit_tx_fee_2_htlc = 2*commit_tx_fee_msat(feerate, 2 + 1); + let commit_tx_fee_2_htlc = 2*commit_tx_fee_msat(feerate, 2 + 1, opt_anchors); let recv_value_1 = (chan_stat.value_to_self_msat - chan_stat.channel_reserve_msat - total_routing_fee_msat - commit_tx_fee_2_htlc)/2; let amt_msat_1 = recv_value_1 + total_routing_fee_msat; @@ -1713,7 +1769,7 @@ fn test_chan_reserve_violation_inbound_htlc_inbound_chan() { nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event_1.msgs[0]); // Attempt to trigger a channel reserve violation --> payment failure. - let commit_tx_fee_2_htlcs = commit_tx_fee_msat(feerate, 2); + let commit_tx_fee_2_htlcs = commit_tx_fee_msat(feerate, 2, opt_anchors); let recv_value_2 = chan_stat.value_to_self_msat - amt_msat_1 - chan_stat.channel_reserve_msat - total_routing_fee_msat - commit_tx_fee_2_htlcs + 1; let amt_msat_2 = recv_value_2 + total_routing_fee_msat; let (route_2, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat_2); @@ -1764,8 +1820,8 @@ fn test_inbound_outbound_capacity_is_not_zero() { assert_eq!(channels1[0].inbound_capacity_msat, 100000 * 1000 - 95000000 - reserve*1000); } -fn commit_tx_fee_msat(feerate: u32, num_htlcs: u64) -> u64 { - (COMMITMENT_TX_BASE_WEIGHT + num_htlcs * COMMITMENT_TX_WEIGHT_PER_HTLC) * feerate as u64 / 1000 * 1000 +fn commit_tx_fee_msat(feerate: u32, num_htlcs: u64, opt_anchors: bool) -> u64 { + (commitment_tx_base_weight(opt_anchors) + num_htlcs * COMMITMENT_TX_WEIGHT_PER_HTLC) * feerate as u64 / 1000 * 1000 } #[test] @@ -1800,6 +1856,7 @@ fn test_channel_reserve_holding_cell_htlcs() { let feemsat = 239; // set above let total_fee_msat = (nodes.len() - 2) as u64 * feemsat; let feerate = get_feerate!(nodes[0], chan_1.2); + let opt_anchors = get_opt_anchors!(nodes[0], chan_1.2); let recv_value_0 = stat01.counterparty_max_htlc_value_in_flight_msat - total_fee_msat; @@ -1821,7 +1878,7 @@ fn test_channel_reserve_holding_cell_htlcs() { // 3 for the 3 HTLCs that will be sent, 2* and +1 for the fee spike reserve. // Also, ensure that each payment has enough to be over the dust limit to // ensure it'll be included in each commit tx fee calculation. - let commit_tx_fee_all_htlcs = 2*commit_tx_fee_msat(feerate, 3 + 1); + let commit_tx_fee_all_htlcs = 2*commit_tx_fee_msat(feerate, 3 + 1, opt_anchors); let ensure_htlc_amounts_above_dust_buffer = 3 * (stat01.counterparty_dust_limit_msat + 1000); if stat01.value_to_self_msat < stat01.channel_reserve_msat + commit_tx_fee_all_htlcs + ensure_htlc_amounts_above_dust_buffer + amt_msat { break; @@ -1853,7 +1910,7 @@ fn test_channel_reserve_holding_cell_htlcs() { // the amount of the first of these aforementioned 3 payments. The reason we split into 3 payments // is to test the behavior of the holding cell with respect to channel reserve and commit tx fee // policy. - let commit_tx_fee_2_htlcs = 2*commit_tx_fee_msat(feerate, 2 + 1); + let commit_tx_fee_2_htlcs = 2*commit_tx_fee_msat(feerate, 2 + 1, opt_anchors); let recv_value_1 = (stat01.value_to_self_msat - stat01.channel_reserve_msat - total_fee_msat - commit_tx_fee_2_htlcs)/2; let amt_msat_1 = recv_value_1 + total_fee_msat; @@ -1878,7 +1935,7 @@ fn test_channel_reserve_holding_cell_htlcs() { } // split the rest to test holding cell - let commit_tx_fee_3_htlcs = 2*commit_tx_fee_msat(feerate, 3 + 1); + let commit_tx_fee_3_htlcs = 2*commit_tx_fee_msat(feerate, 3 + 1, opt_anchors); let additional_htlc_cost_msat = commit_tx_fee_3_htlcs - commit_tx_fee_2_htlcs; let recv_value_21 = recv_value_2/2 - additional_htlc_cost_msat/2; let recv_value_22 = recv_value_2 - recv_value_21 - total_fee_msat - additional_htlc_cost_msat; @@ -1989,11 +2046,11 @@ fn test_channel_reserve_holding_cell_htlcs() { claim_payment(&nodes[0], &vec!(&nodes[1], &nodes[2]), our_payment_preimage_21); claim_payment(&nodes[0], &vec!(&nodes[1], &nodes[2]), our_payment_preimage_22); - let commit_tx_fee_0_htlcs = 2*commit_tx_fee_msat(feerate, 1); + let commit_tx_fee_0_htlcs = 2*commit_tx_fee_msat(feerate, 1, opt_anchors); let recv_value_3 = commit_tx_fee_2_htlcs - commit_tx_fee_0_htlcs - total_fee_msat; send_payment(&nodes[0], &vec![&nodes[1], &nodes[2]][..], recv_value_3); - let commit_tx_fee_1_htlc = 2*commit_tx_fee_msat(feerate, 1 + 1); + let commit_tx_fee_1_htlc = 2*commit_tx_fee_msat(feerate, 1 + 1, opt_anchors); let expected_value_to_self = stat01.value_to_self_msat - (recv_value_1 + total_fee_msat) - (recv_value_21 + total_fee_msat) - (recv_value_22 + total_fee_msat) - (recv_value_3 + total_fee_msat); let stat0 = get_channel_value_stat!(nodes[0], chan_1.2); assert_eq!(stat0.value_to_self_msat, expected_value_to_self); @@ -3794,15 +3851,7 @@ fn test_funding_peer_disconnect() { confirm_transaction(&nodes[0], &tx); let events_1 = nodes[0].node.get_and_clear_pending_msg_events(); - let chan_id; - assert_eq!(events_1.len(), 1); - match events_1[0] { - MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => { - assert_eq!(*node_id, nodes[1].node.get_our_node_id()); - chan_id = msg.channel_id; - }, - _ => panic!("Unexpected event"), - } + assert!(events_1.is_empty()); reconnect_nodes(&nodes[0], &nodes[1], (false, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); @@ -3811,53 +3860,106 @@ fn test_funding_peer_disconnect() { confirm_transaction(&nodes[1], &tx); let events_2 = nodes[1].node.get_and_clear_pending_msg_events(); - assert_eq!(events_2.len(), 2); - let funding_locked = match events_2[0] { + assert!(events_2.is_empty()); + + nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); + let as_reestablish = get_event_msg!(nodes[0], MessageSendEvent::SendChannelReestablish, nodes[1].node.get_our_node_id()); + nodes[1].node.peer_connected(&nodes[0].node.get_our_node_id(), &msgs::Init { features: InitFeatures::empty() }); + let bs_reestablish = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id()); + + // nodes[0] hasn't yet received a funding_locked, so it only sends that on reconnect. + nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish); + let events_3 = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events_3.len(), 1); + let as_funding_locked = match events_3[0] { + MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => { + assert_eq!(*node_id, nodes[1].node.get_our_node_id()); + msg.clone() + }, + _ => panic!("Unexpected event {:?}", events_3[0]), + }; + + // nodes[1] received nodes[0]'s funding_locked on the first reconnect above, so it should send + // announcement_signatures as well as channel_update. + nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish); + let events_4 = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events_4.len(), 3); + let chan_id; + let bs_funding_locked = match events_4[0] { MessageSendEvent::SendFundingLocked { ref node_id, ref msg } => { assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + chan_id = msg.channel_id; msg.clone() }, - _ => panic!("Unexpected event"), + _ => panic!("Unexpected event {:?}", events_4[0]), }; - let bs_announcement_sigs = match events_2[1] { + let bs_announcement_sigs = match events_4[1] { MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => { assert_eq!(*node_id, nodes[0].node.get_our_node_id()); msg.clone() }, - _ => panic!("Unexpected event"), + _ => panic!("Unexpected event {:?}", events_4[1]), }; + match events_4[2] { + MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + }, + _ => panic!("Unexpected event {:?}", events_4[2]), + } - reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); + // Re-deliver nodes[0]'s funding_locked, which nodes[1] can safely ignore. It currently + // generates a duplicative private channel_update + nodes[1].node.handle_funding_locked(&nodes[0].node.get_our_node_id(), &as_funding_locked); + let events_5 = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events_5.len(), 1); + match events_5[0] { + MessageSendEvent::SendChannelUpdate { ref node_id, msg: _ } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + }, + _ => panic!("Unexpected event {:?}", events_5[0]), + }; - nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &funding_locked); - nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs); - let events_3 = nodes[0].node.get_and_clear_pending_msg_events(); - assert_eq!(events_3.len(), 2); - let as_announcement_sigs = match events_3[0] { + // When we deliver nodes[1]'s funding_locked, however, nodes[0] will generate its + // announcement_signatures. + nodes[0].node.handle_funding_locked(&nodes[1].node.get_our_node_id(), &bs_funding_locked); + let events_6 = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events_6.len(), 1); + let as_announcement_sigs = match events_6[0] { MessageSendEvent::SendAnnouncementSignatures { ref node_id, ref msg } => { assert_eq!(*node_id, nodes[1].node.get_our_node_id()); msg.clone() }, - _ => panic!("Unexpected event"), + _ => panic!("Unexpected event {:?}", events_6[0]), }; - let (as_announcement, as_update) = match events_3[1] { + + // When we deliver nodes[1]'s announcement_signatures to nodes[0], nodes[0] should immediately + // broadcast the channel announcement globally, as well as re-send its (now-public) + // channel_update. + nodes[0].node.handle_announcement_signatures(&nodes[1].node.get_our_node_id(), &bs_announcement_sigs); + let events_7 = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events_7.len(), 1); + let (chan_announcement, as_update) = match events_7[0] { MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { (msg.clone(), update_msg.clone()) }, - _ => panic!("Unexpected event"), + _ => panic!("Unexpected event {:?}", events_7[0]), }; + // Finally, deliver nodes[0]'s announcement_signatures to nodes[1] and make sure it creates the + // same channel_announcement. nodes[1].node.handle_announcement_signatures(&nodes[0].node.get_our_node_id(), &as_announcement_sigs); - let events_4 = nodes[1].node.get_and_clear_pending_msg_events(); - assert_eq!(events_4.len(), 1); - let (_, bs_update) = match events_4[0] { + let events_8 = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(events_8.len(), 1); + let bs_update = match events_8[0] { MessageSendEvent::BroadcastChannelAnnouncement { ref msg, ref update_msg } => { - (msg.clone(), update_msg.clone()) + assert_eq!(*msg, chan_announcement); + update_msg.clone() }, - _ => panic!("Unexpected event"), + _ => panic!("Unexpected event {:?}", events_8[0]), }; - nodes[0].net_graph_msg_handler.handle_channel_announcement(&as_announcement).unwrap(); + // Provide the channel announcement and public updates to the network graph + nodes[0].net_graph_msg_handler.handle_channel_announcement(&chan_announcement).unwrap(); nodes[0].net_graph_msg_handler.handle_channel_update(&bs_update).unwrap(); nodes[0].net_graph_msg_handler.handle_channel_update(&as_update).unwrap(); @@ -3905,14 +4007,14 @@ fn test_funding_peer_disconnect() { reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false)); - // as_announcement should be re-generated exactly by broadcast_node_announcement. + // The channel announcement should be re-generated exactly by broadcast_node_announcement. nodes[0].node.broadcast_node_announcement([0, 0, 0], [0; 32], Vec::new()); let msgs = nodes[0].node.get_and_clear_pending_msg_events(); let mut found_announcement = false; for event in msgs.iter() { match event { MessageSendEvent::BroadcastChannelAnnouncement { ref msg, .. } => { - if *msg == as_announcement { found_announcement = true; } + if *msg == chan_announcement { found_announcement = true; } }, MessageSendEvent::BroadcastNodeAnnouncement { .. } => {}, _ => panic!("Unexpected event"), @@ -4086,7 +4188,7 @@ fn do_test_htlc_timeout(send_partial_mpp: bool) { // indicates there are more HTLCs coming. let cur_height = CHAN_CONFIRM_DEPTH + 1; // route_payment calls send_payment, which adds 1 to the current height. So we do the same here to match. let payment_id = PaymentId([42; 32]); - nodes[0].node.send_payment_along_path(&route.paths[0], &route.payee, &our_payment_hash, &Some(payment_secret), 200000, cur_height, payment_id, &None).unwrap(); + nodes[0].node.send_payment_along_path(&route.paths[0], &route.payment_params, &our_payment_hash, &Some(payment_secret), 200000, cur_height, payment_id, &None).unwrap(); check_added_monitors!(nodes[0], 1); let mut events = nodes[0].node.get_and_clear_pending_msg_events(); assert_eq!(events.len(), 1); @@ -5899,7 +6001,7 @@ fn bolt2_open_channel_sending_node_checks_part1() { //This test needs to be on i let nodes = create_network(2, &node_cfgs, &node_chanmgrs); //Force duplicate channel ids for node in nodes.iter() { - *node.keys_manager.override_channel_id_priv.lock().unwrap() = Some([0; 32]); + *node.keys_manager.override_random_bytes.lock().unwrap() = Some([0; 32]); } // BOLT #2 spec: Sending node must ensure temporary_channel_id is unique from any other channel ID with the same peer. @@ -5908,9 +6010,10 @@ fn bolt2_open_channel_sending_node_checks_part1() { //This test needs to be on i nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), channel_value_satoshis, push_msat, 42, None).unwrap(); let node0_to_1_send_open_channel = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &node0_to_1_send_open_channel); + get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()); //Create a second channel with a channel_id collision - assert!(nodes[0].node.create_channel(nodes[0].node.get_our_node_id(), channel_value_satoshis, push_msat, 42, None).is_err()); + assert!(nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), channel_value_satoshis, push_msat, 42, None).is_err()); } #[test] @@ -6018,9 +6121,10 @@ fn test_fail_holding_cell_htlc_upon_free() { let mut chan_stat = get_channel_value_stat!(nodes[0], chan.2); let channel_reserve = chan_stat.channel_reserve_msat; let feerate = get_feerate!(nodes[0], chan.2); + let opt_anchors = get_opt_anchors!(nodes[0], chan.2); // 2* and +1 HTLCs on the commit tx fee calculation for the fee spike reserve. - let max_can_send = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 1 + 1); + let max_can_send = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 1 + 1, opt_anchors); let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], max_can_send); // Send a payment which passes reserve checks but gets stuck in the holding cell. @@ -6097,10 +6201,11 @@ fn test_free_and_fail_holding_cell_htlcs() { let mut chan_stat = get_channel_value_stat!(nodes[0], chan.2); let channel_reserve = chan_stat.channel_reserve_msat; let feerate = get_feerate!(nodes[0], chan.2); + let opt_anchors = get_opt_anchors!(nodes[0], chan.2); // 2* and +1 HTLCs on the commit tx fee calculation for the fee spike reserve. let amt_1 = 20000; - let amt_2 = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 2 + 1) - amt_1; + let amt_2 = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 2 + 1, opt_anchors) - amt_1; let (route_1, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], amt_1); let (route_2, payment_hash_2, _, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[1], amt_2); @@ -6222,11 +6327,12 @@ fn test_fail_holding_cell_htlc_upon_free_multihop() { let mut chan_stat = get_channel_value_stat!(nodes[0], chan_0_1.2); let channel_reserve = chan_stat.channel_reserve_msat; let feerate = get_feerate!(nodes[0], chan_0_1.2); + let opt_anchors = get_opt_anchors!(nodes[0], chan_0_1.2); // Send a payment which passes reserve checks but gets stuck in the holding cell. let feemsat = 239; let total_routing_fee_msat = (nodes.len() - 2) as u64 * feemsat; - let max_can_send = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 1 + 1) - total_routing_fee_msat; + let max_can_send = 5000000 - channel_reserve - 2*commit_tx_fee_msat(feerate, 1 + 1, opt_anchors) - total_routing_fee_msat; let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], max_can_send); let payment_event = { nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap(); @@ -6501,8 +6607,9 @@ fn test_update_add_htlc_bolt2_receiver_sender_can_afford_amount_sent() { let chan_stat = get_channel_value_stat!(nodes[0], chan.2); let channel_reserve = chan_stat.channel_reserve_msat; let feerate = get_feerate!(nodes[0], chan.2); + let opt_anchors = get_opt_anchors!(nodes[0], chan.2); // The 2* and +1 are for the fee spike reserve. - let commit_tx_fee_outbound = 2 * commit_tx_fee_msat(feerate, 1 + 1); + let commit_tx_fee_outbound = 2 * commit_tx_fee_msat(feerate, 1 + 1, opt_anchors); let max_can_send = 5000000 - channel_reserve - commit_tx_fee_outbound; let (route, our_payment_hash, _, our_payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], max_can_send); @@ -7333,9 +7440,9 @@ fn test_check_htlc_underpaying() { // Create some initial channels create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()); - let scorer = test_utils::TestScorer::with_fixed_penalty(0); - let payee = Payee::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known()); - let route = get_route(&nodes[0].node.get_our_node_id(), &payee, nodes[0].network_graph, None, 10_000, TEST_FINAL_CLTV, nodes[0].logger, &scorer).unwrap(); + let scorer = test_utils::TestScorer::with_penalty(0); + let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known()); + let route = get_route(&nodes[0].node.get_our_node_id(), &payment_params, nodes[0].network_graph, None, 10_000, TEST_FINAL_CLTV, nodes[0].logger, &scorer).unwrap(); let (_, our_payment_hash, _) = get_payment_preimage_hash!(nodes[0]); let our_payment_secret = nodes[1].node.create_inbound_payment_for_hash(our_payment_hash, Some(100_000), 7200).unwrap(); nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap(); @@ -7735,13 +7842,13 @@ fn test_bump_penalty_txn_on_revoked_htlcs() { let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::known(), InitFeatures::known()); // Lock HTLC in both directions (using a slightly lower CLTV delay to provide timely RBF bumps) - let payee = Payee::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known()); - let scorer = test_utils::TestScorer::with_fixed_penalty(0); - let route = get_route(&nodes[0].node.get_our_node_id(), &payee, &nodes[0].network_graph, None, + let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id()).with_features(InvoiceFeatures::known()); + let scorer = test_utils::TestScorer::with_penalty(0); + let route = get_route(&nodes[0].node.get_our_node_id(), &payment_params, &nodes[0].network_graph, None, 3_000_000, 50, nodes[0].logger, &scorer).unwrap(); let payment_preimage = send_along_route(&nodes[0], route, &[&nodes[1]], 3_000_000).0; - let payee = Payee::from_node_id(nodes[0].node.get_our_node_id()).with_features(InvoiceFeatures::known()); - let route = get_route(&nodes[1].node.get_our_node_id(), &payee, nodes[1].network_graph, None, + let payment_params = PaymentParameters::from_node_id(nodes[0].node.get_our_node_id()).with_features(InvoiceFeatures::known()); + let route = get_route(&nodes[1].node.get_our_node_id(), &payment_params, nodes[1].network_graph, None, 3_000_000, 50, nodes[0].logger, &scorer).unwrap(); send_along_route(&nodes[1], route, &[&nodes[0]], 3_000_000); @@ -8084,6 +8191,43 @@ fn test_bump_txn_sanitize_tracking_maps() { } } +#[test] +fn test_pending_claimed_htlc_no_balance_underflow() { + // Tests that if we have a pending outbound HTLC as well as a claimed-but-not-fully-removed + // HTLC we will not underflow when we call `Channel::get_balance_msat()`. + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100_000, 0, InitFeatures::known(), InitFeatures::known()); + + let payment_preimage = route_payment(&nodes[0], &[&nodes[1]], 1_010_000).0; + nodes[1].node.claim_funds(payment_preimage); + check_added_monitors!(nodes[1], 1); + let fulfill_ev = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + + nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &fulfill_ev.update_fulfill_htlcs[0]); + expect_payment_sent_without_paths!(nodes[0], payment_preimage); + nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &fulfill_ev.commitment_signed); + check_added_monitors!(nodes[0], 1); + let (_raa, _cs) = get_revoke_commit_msgs!(nodes[0], nodes[1].node.get_our_node_id()); + + // At this point nodes[1] has received 1,010k msat (10k msat more than their reserve) and can + // send an HTLC back (though it will go in the holding cell). Send an HTLC back and check we + // can get our balance. + + // Get a route from nodes[1] to nodes[0] by getting a route going the other way and then flip + // the public key of the only hop. This works around ChannelDetails not showing the + // almost-claimed HTLC as available balance. + let (mut route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[1], 10_000); + route.payment_params = None; // This is all wrong, but unnecessary + route.paths[0][0].pubkey = nodes[0].node.get_our_node_id(); + let (_, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[0]); + nodes[1].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap(); + + assert_eq!(nodes[1].node.list_channels()[0].balance_msat, 1_000_000); +} + #[test] fn test_channel_conf_timeout() { // Tests that, for inbound channels, we give up on them if the funding transaction does not @@ -8157,6 +8301,207 @@ fn test_override_0msat_htlc_minimum() { assert_eq!(res.htlc_minimum_msat, 1); } +#[test] +fn test_manually_accept_inbound_channel_request() { + let mut manually_accept_conf = UserConfig::default(); + manually_accept_conf.manually_accept_inbound_channels = true; + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(manually_accept_conf.clone())]); + let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(manually_accept_conf)).unwrap(); + let res = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); + + nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &res); + + // Assert that `nodes[1]` has no `MessageSendEvent::SendAcceptChannel` in `msg_events` before + // accepting the inbound channel request. + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + + let events = nodes[1].node.get_and_clear_pending_events(); + match events[0] { + Event::OpenChannelRequest { temporary_channel_id, .. } => { + nodes[1].node.accept_inbound_channel(&temporary_channel_id).unwrap(); + } + _ => panic!("Unexpected event"), + } + + let accept_msg_ev = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(accept_msg_ev.len(), 1); + + match accept_msg_ev[0] { + MessageSendEvent::SendAcceptChannel { ref node_id, .. } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + } + _ => panic!("Unexpected event"), + } +} + +#[test] +fn test_manually_reject_inbound_channel_request() { + let mut manually_accept_conf = UserConfig::default(); + manually_accept_conf.manually_accept_inbound_channels = true; + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(manually_accept_conf.clone())]); + let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(manually_accept_conf)).unwrap(); + let res = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); + + nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &res); + + // Assert that `nodes[1]` has no `MessageSendEvent::SendAcceptChannel` in `msg_events` before + // rejecting the inbound channel request. + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + + let events = nodes[1].node.get_and_clear_pending_events(); + match events[0] { + Event::OpenChannelRequest { temporary_channel_id, .. } => { + nodes[1].node.force_close_channel(&temporary_channel_id).unwrap(); + } + _ => panic!("Unexpected event"), + } + + let close_msg_ev = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(close_msg_ev.len(), 1); + + match close_msg_ev[0] { + MessageSendEvent::HandleError { ref node_id, .. } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + } + _ => panic!("Unexpected event"), + } + check_closed_event!(nodes[1], 1, ClosureReason::HolderForceClosed); +} + +#[test] +fn test_reject_funding_before_inbound_channel_accepted() { + // This tests that when `UserConfig::manually_accept_inbound_channels` is set to true, inbound + // channels must to be manually accepted through `ChannelManager::accept_inbound_channel` by + // the node operator before the counterparty sends a `FundingCreated` message. If a + // `FundingCreated` message is received before the channel is accepted, it should be rejected + // and the channel should be closed. + let mut manually_accept_conf = UserConfig::default(); + manually_accept_conf.manually_accept_inbound_channels = true; + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(manually_accept_conf.clone())]); + let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(manually_accept_conf)).unwrap(); + let res = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); + let temp_channel_id = res.temporary_channel_id; + + nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &res); + + // Assert that `nodes[1]` has no `MessageSendEvent::SendAcceptChannel` in the `msg_events`. + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + + // Clear the `Event::OpenChannelRequest` event without responding to the request. + nodes[1].node.get_and_clear_pending_events(); + + // Get the `AcceptChannel` message of `nodes[1]` without calling + // `ChannelManager::accept_inbound_channel`, which generates a + // `MessageSendEvent::SendAcceptChannel` event. The message is passed to `nodes[0]` + // `handle_accept_channel`, which is required in order for `create_funding_transaction` to + // succeed when `nodes[0]` is passed to it. + { + let mut lock; + let channel = get_channel_ref!(&nodes[1], lock, temp_channel_id); + let accept_chan_msg = channel.get_accept_channel_message(); + nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_chan_msg); + } + + let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], 100000, 42); + + nodes[0].node.funding_transaction_generated(&temporary_channel_id, tx.clone()).unwrap(); + let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id()); + + // The `funding_created_msg` should be rejected by `nodes[1]` as it hasn't accepted the channel + nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created_msg); + + let close_msg_ev = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(close_msg_ev.len(), 1); + + let expected_err = "FundingCreated message received before the channel was accepted"; + match close_msg_ev[0] { + MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, ref node_id, } => { + assert_eq!(msg.channel_id, temp_channel_id); + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + assert_eq!(msg.data, expected_err); + } + _ => panic!("Unexpected event"), + } + + check_closed_event!(nodes[1], 1, ClosureReason::ProcessingError { err: expected_err.to_string() }); +} + +#[test] +fn test_can_not_accept_inbound_channel_twice() { + let mut manually_accept_conf = UserConfig::default(); + manually_accept_conf.manually_accept_inbound_channels = true; + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, Some(manually_accept_conf.clone())]); + let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, Some(manually_accept_conf)).unwrap(); + let res = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id()); + + nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &res); + + // Assert that `nodes[1]` has no `MessageSendEvent::SendAcceptChannel` in `msg_events` before + // accepting the inbound channel request. + assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty()); + + let events = nodes[1].node.get_and_clear_pending_events(); + match events[0] { + Event::OpenChannelRequest { temporary_channel_id, .. } => { + nodes[1].node.accept_inbound_channel(&temporary_channel_id).unwrap(); + let api_res = nodes[1].node.accept_inbound_channel(&temporary_channel_id); + match api_res { + Err(APIError::APIMisuseError { err }) => { + assert_eq!(err, "The channel isn't currently awaiting to be accepted."); + }, + Ok(_) => panic!("Channel shouldn't be possible to be accepted twice"), + Err(_) => panic!("Unexpected Error"), + } + } + _ => panic!("Unexpected event"), + } + + // Ensure that the channel wasn't closed after attempting to accept it twice. + let accept_msg_ev = nodes[1].node.get_and_clear_pending_msg_events(); + assert_eq!(accept_msg_ev.len(), 1); + + match accept_msg_ev[0] { + MessageSendEvent::SendAcceptChannel { ref node_id, .. } => { + assert_eq!(*node_id, nodes[0].node.get_our_node_id()); + } + _ => panic!("Unexpected event"), + } +} + +#[test] +fn test_can_not_accept_unknown_inbound_channel() { + let chanmon_cfg = create_chanmon_cfgs(1); + let node_cfg = create_node_cfgs(1, &chanmon_cfg); + let node_chanmgr = create_node_chanmgrs(1, &node_cfg, &[None]); + let node = create_network(1, &node_cfg, &node_chanmgr)[0].node; + + let unknown_channel_id = [0; 32]; + let api_res = node.accept_inbound_channel(&unknown_channel_id); + match api_res { + Err(APIError::ChannelUnavailable { err }) => { + assert_eq!(err, "Can't accept a channel that doesn't exist"); + }, + Ok(_) => panic!("It shouldn't be possible to accept an unkown channel"), + Err(_) => panic!("Unexpected Error"), + } +} + #[test] fn test_simple_mpp() { // Simple test of sending a multi-path payment. @@ -9257,6 +9602,77 @@ fn test_forwardable_regen() { claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_2); } +#[test] +fn test_dup_htlc_second_fail_panic() { + // Previously, if we received two HTLCs back-to-back, where the second overran the expected + // value for the payment, we'd fail back both HTLCs after generating a `PaymentReceived` event. + // Then, if the user failed the second payment, they'd hit a "tried to fail an already failed + // HTLC" debug panic. This tests for this behavior, checking that only one HTLC is auto-failed. + let chanmon_cfgs = create_chanmon_cfgs(2); + let node_cfgs = create_node_cfgs(2, &chanmon_cfgs); + let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]); + let nodes = create_network(2, &node_cfgs, &node_chanmgrs); + + let _chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 10001, InitFeatures::known(), InitFeatures::known()); + + let payment_params = PaymentParameters::from_node_id(nodes[1].node.get_our_node_id()) + .with_features(InvoiceFeatures::known()); + let scorer = test_utils::TestScorer::with_penalty(0); + let route = get_route( + &nodes[0].node.get_our_node_id(), &payment_params, &nodes[0].network_graph, + Some(&nodes[0].node.list_usable_channels().iter().collect::>()), + 10_000, TEST_FINAL_CLTV, nodes[0].logger, &scorer).unwrap(); + + let (_, our_payment_hash, our_payment_secret) = get_payment_preimage_hash!(&nodes[1]); + + { + nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap(); + check_added_monitors!(nodes[0], 1); + let mut events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let mut 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]); + commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false); + } + expect_pending_htlcs_forwardable!(nodes[1]); + expect_payment_received!(nodes[1], our_payment_hash, our_payment_secret, 10_000); + + { + nodes[0].node.send_payment(&route, our_payment_hash, &Some(our_payment_secret)).unwrap(); + check_added_monitors!(nodes[0], 1); + let mut events = nodes[0].node.get_and_clear_pending_msg_events(); + assert_eq!(events.len(), 1); + let mut 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]); + commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false); + // At this point, nodes[1] would notice it has too much value for the payment. It will + // assume the second is a privacy attack (no longer particularly relevant + // post-payment_secrets) and fail back the new HTLC. Previously, it'd also have failed back + // the first HTLC delivered above. + } + + // Now we go fail back the first HTLC from the user end. + expect_pending_htlcs_forwardable_ignore!(nodes[1]); + nodes[1].node.process_pending_htlc_forwards(); + nodes[1].node.fail_htlc_backwards(&our_payment_hash); + + expect_pending_htlcs_forwardable_ignore!(nodes[1]); + nodes[1].node.process_pending_htlc_forwards(); + + check_added_monitors!(nodes[1], 1); + let fail_updates_1 = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()); + assert_eq!(fail_updates_1.update_fail_htlcs.len(), 2); + + nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_updates_1.update_fail_htlcs[0]); + nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &fail_updates_1.update_fail_htlcs[1]); + commitment_signed_dance!(nodes[0], nodes[1], fail_updates_1.commitment_signed, false); + + let failure_events = nodes[0].node.get_and_clear_pending_events(); + assert_eq!(failure_events.len(), 2); + if let Event::PaymentPathFailed { .. } = failure_events[0] {} else { panic!(); } + if let Event::PaymentPathFailed { .. } = failure_events[1] {} else { panic!(); } +} + #[test] fn test_keysend_payments_to_public_node() { let chanmon_cfgs = create_chanmon_cfgs(2); @@ -9268,13 +9684,13 @@ fn test_keysend_payments_to_public_node() { let network_graph = nodes[0].network_graph; let payer_pubkey = nodes[0].node.get_our_node_id(); let payee_pubkey = nodes[1].node.get_our_node_id(); - let params = RouteParameters { - payee: Payee::for_keysend(payee_pubkey), + let route_params = RouteParameters { + payment_params: PaymentParameters::for_keysend(payee_pubkey), final_value_msat: 10000, final_cltv_expiry_delta: 40, }; - let scorer = test_utils::TestScorer::with_fixed_penalty(0); - let route = find_route(&payer_pubkey, ¶ms, network_graph, None, nodes[0].logger, &scorer).unwrap(); + let scorer = test_utils::TestScorer::with_penalty(0); + let route = find_route(&payer_pubkey, &route_params, network_graph, None, nodes[0].logger, &scorer).unwrap(); let test_preimage = PaymentPreimage([42; 32]); let (payment_hash, _) = nodes[0].node.send_spontaneous_payment(&route, Some(test_preimage)).unwrap(); @@ -9300,16 +9716,16 @@ fn test_keysend_payments_to_private_node() { nodes[1].node.peer_connected(&payer_pubkey, &msgs::Init { features: InitFeatures::known() }); let _chan = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known()); - let params = RouteParameters { - payee: Payee::for_keysend(payee_pubkey), + let route_params = RouteParameters { + payment_params: PaymentParameters::for_keysend(payee_pubkey), final_value_msat: 10000, final_cltv_expiry_delta: 40, }; let network_graph = nodes[0].network_graph; let first_hops = nodes[0].node.list_usable_channels(); - let scorer = test_utils::TestScorer::with_fixed_penalty(0); + let scorer = test_utils::TestScorer::with_penalty(0); let route = find_route( - &payer_pubkey, ¶ms, network_graph, Some(&first_hops.iter().collect::>()), + &payer_pubkey, &route_params, network_graph, Some(&first_hops.iter().collect::>()), nodes[0].logger, &scorer ).unwrap(); @@ -9366,6 +9782,8 @@ fn do_test_max_dust_htlc_exposure(dust_outbound_balance: bool, exposure_breach_e let mut accept_channel = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()); nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_channel); + let opt_anchors = false; + let (temporary_channel_id, tx, _) = create_funding_transaction(&nodes[0], 1_000_000, 42); if on_holder_tx { @@ -9390,10 +9808,10 @@ fn do_test_max_dust_htlc_exposure(dust_outbound_balance: bool, exposure_breach_e let chan = chan_lock.by_id.get(&channel_id).unwrap(); chan.get_dust_buffer_feerate(None) as u64 }; - let dust_outbound_htlc_on_holder_tx_msat: u64 = (dust_buffer_feerate * HTLC_TIMEOUT_TX_WEIGHT / 1000 + open_channel.dust_limit_satoshis - 1) * 1000; + let dust_outbound_htlc_on_holder_tx_msat: u64 = (dust_buffer_feerate * htlc_timeout_tx_weight(opt_anchors) / 1000 + open_channel.dust_limit_satoshis - 1) * 1000; let dust_outbound_htlc_on_holder_tx: u64 = config.channel_options.max_dust_htlc_exposure_msat / dust_outbound_htlc_on_holder_tx_msat; - let dust_inbound_htlc_on_holder_tx_msat: u64 = (dust_buffer_feerate * HTLC_SUCCESS_TX_WEIGHT / 1000 + open_channel.dust_limit_satoshis - 1) * 1000; + let dust_inbound_htlc_on_holder_tx_msat: u64 = (dust_buffer_feerate * htlc_success_tx_weight(opt_anchors) / 1000 + open_channel.dust_limit_satoshis - 1) * 1000; let dust_inbound_htlc_on_holder_tx: u64 = config.channel_options.max_dust_htlc_exposure_msat / dust_inbound_htlc_on_holder_tx_msat; let dust_htlc_on_counterparty_tx: u64 = 25;