use crate::chain::transaction::OutPoint;
use crate::sign::{ecdsa::EcdsaChannelSigner, EntropySource, OutputSpender, SignerProvider};
use crate::events::{Event, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentPurpose, ClosureReason, HTLCDestination, PaymentFailureReason};
-use crate::ln::{ChannelId, PaymentPreimage, PaymentSecret, PaymentHash};
+use crate::ln::types::{ChannelId, 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, get_holder_selected_channel_reserve_satoshis, OutboundV1Channel, InboundV1Channel, COINBASE_MATURITY, ChannelPhase};
use crate::ln::channelmanager::{self, PaymentId, RAACommitmentOrder, PaymentSendFailure, RecipientOnionFields, BREAKDOWN_TIMEOUT, ENABLE_GOSSIP_TICKS, DISABLE_GOSSIP_TICKS, MIN_CLTV_EXPIRY_DELTA};
use crate::ln::channel::{DISCONNECT_PEER_AWAITING_RESPONSE_TICKS, ChannelError};
use super::channel::UNFUNDED_CHANNEL_AGE_LIMIT_TICKS;
+#[test]
+fn test_channel_resumption_fail_post_funding() {
+ // If we fail to exchange funding with a peer prior to it disconnecting we'll resume the
+ // channel open on reconnect, however if we do exchange funding we do not currently support
+ // replaying it and here test that the channel closes.
+ 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);
+
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 1_000_000, 0, 42, None, None).unwrap();
+ let open_chan = 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(), &open_chan);
+ let accept_chan = 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(), &accept_chan);
+
+ let (temp_chan_id, tx, funding_output) =
+ create_funding_transaction(&nodes[0], &nodes[1].node.get_our_node_id(), 1_000_000, 42);
+ let new_chan_id = ChannelId::v1_from_funding_outpoint(funding_output);
+ nodes[0].node.funding_transaction_generated(&temp_chan_id, &nodes[1].node.get_our_node_id(), tx).unwrap();
+
+ nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
+ check_closed_events(&nodes[0], &[ExpectedCloseEvent::from_id_reason(new_chan_id, true, ClosureReason::DisconnectedPeer)]);
+
+ // After ddf75afd16 we'd panic on reconnection if we exchanged funding info, so test that
+ // explicitly here.
+ nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &msgs::Init {
+ features: nodes[1].node.init_features(), networks: None, remote_network_address: None
+ }, true).unwrap();
+ assert_eq!(nodes[0].node.get_and_clear_pending_msg_events(), Vec::new());
+}
+
#[test]
fn test_insane_channel_opens() {
// Stand up a network of 2 nodes
let cur_height = nodes[1].node.best_block.read().unwrap().height + 1;
let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route.paths[0], &session_priv).unwrap();
+ let recipient_onion_fields = RecipientOnionFields::secret_only(payment_secret);
let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0],
- 3460001, RecipientOnionFields::secret_only(payment_secret), cur_height, &None).unwrap();
+ 3460001, &recipient_onion_fields, cur_height, &None).unwrap();
let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash).unwrap();
let msg = msgs::UpdateAddHTLC {
channel_id: chan.2,
let session_priv = SecretKey::from_slice(&[42; 32]).unwrap();
let cur_height = nodes[1].node.best_block.read().unwrap().height + 1;
let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route.paths[0], &session_priv).unwrap();
+ let recipient_onion_fields = RecipientOnionFields::secret_only(payment_secret);
let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0],
- 700_000, RecipientOnionFields::secret_only(payment_secret), cur_height, &None).unwrap();
+ 700_000, &recipient_onion_fields, cur_height, &None).unwrap();
let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash).unwrap();
let msg = msgs::UpdateAddHTLC {
channel_id: chan.2,
let session_priv = SecretKey::from_slice(&[42; 32]).unwrap();
let cur_height = nodes[0].node.best_block.read().unwrap().height + 1;
let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route_2.paths[0], &session_priv).unwrap();
+ let recipient_onion_fields = RecipientOnionFields::spontaneous_empty();
let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(
- &route_2.paths[0], recv_value_2, RecipientOnionFields::spontaneous_empty(), cur_height, &None).unwrap();
+ &route_2.paths[0], recv_value_2, &recipient_onion_fields, cur_height, &None).unwrap();
let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &our_payment_hash_1).unwrap();
let msg = msgs::UpdateAddHTLC {
channel_id: chan.2,
let secp_ctx = Secp256k1::new();
let session_priv = SecretKey::from_slice(&[42; 32]).unwrap();
let current_height = nodes[1].node.best_block.read().unwrap().height + 1;
+ let recipient_onion_fields = RecipientOnionFields::secret_only(payment_secret);
let (onion_payloads, _amount_msat, cltv_expiry) = onion_utils::build_onion_payloads(
- &route.paths[0], 50_000, RecipientOnionFields::secret_only(payment_secret), current_height, &None).unwrap();
+ &route.paths[0], 50_000, &recipient_onion_fields, current_height, &None).unwrap();
let onion_keys = onion_utils::construct_onion_keys(&secp_ctx, &route.paths[0], &session_priv).unwrap();
let onion_routing_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash).unwrap();
nodes[0].node.timer_tick_occurred();
}
- // Ensure that the channel is closed with `ClosureReason::HolderForceClosed`
- // when the peers are disconnected and do not reconnect before the funding
- // transaction is broadcasted.
- check_closed_event!(&nodes[0], 2, ClosureReason::HolderForceClosed, true
+ // Ensure that the channel is closed with `ClosureReason::DisconnectedPeer` and a
+ // `DiscardFunding` event when the peers are disconnected and do not reconnect before the
+ // funding transaction is broadcasted.
+ check_closed_event!(&nodes[0], 2, ClosureReason::DisconnectedPeer, true
, [nodes[1].node.get_our_node_id()], 1000000);
check_closed_event!(&nodes[1], 1, ClosureReason::DisconnectedPeer, false
, [nodes[0].node.get_our_node_id()], 1000000);
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id());
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id());
- claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], true, payment_preimage_3);
+ claim_payment_along_route(
+ ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[2]]], payment_preimage_3)
+ .skip_last(true)
+ );
fail_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], true, payment_hash_5);
let mut reconnect_args = ReconnectArgs::new(&nodes[0], &nodes[1]);
let session_priv = SecretKey::from_slice(&[42; 32]).unwrap();
let cur_height = nodes[0].node.best_block.read().unwrap().height + 1;
let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::signing_only(), &route.paths[0], &session_priv).unwrap();
+ let recipient_onion_fields = RecipientOnionFields::secret_only(our_payment_secret);
let (onion_payloads, _htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(
- &route.paths[0], send_amt, RecipientOnionFields::secret_only(our_payment_secret), cur_height, &None).unwrap();
+ &route.paths[0], send_amt, &recipient_onion_fields, cur_height, &None).unwrap();
let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &our_payment_hash).unwrap();
let mut msg = msgs::UpdateAddHTLC {
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 recipient_onion_fields = RecipientOnionFields::secret_only(our_payment_secret);
let (mut onion_payloads, _, _) = onion_utils::build_onion_payloads(&route.paths[0], 100_000,
- RecipientOnionFields::secret_only(our_payment_secret), height + 1, &None).unwrap();
+ &recipient_onion_fields, height + 1, &None).unwrap();
// Edit amt_to_forward to simulate the sender having set
// the final amount and the routing node taking less fee
if let msgs::OutboundOnionPayload::Receive {
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);
+ claim_payment_along_route(
+ ClaimAlongRouteArgs::new(&nodes[0], expected_paths, our_payment_preimage)
+ );
}
fn do_test_overshoot_mpp(msat_amounts: &[u64], total_msat: u64) {
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);
+ claim_payment_along_route(
+ ClaimAlongRouteArgs::new(&nodes[src_idx], &expected_paths, our_payment_preimage)
+ );
}
#[test]
route.paths[1].hops[0].short_channel_id = chan_2_id;
route.paths[1].hops[1].short_channel_id = chan_4_id;
send_along_route_with_secret(&nodes[0], route, &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], 200_000, payment_hash, payment_secret);
- claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
+ claim_payment_along_route(
+ ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], payment_preimage)
+ );
}
#[test]
assert_eq!(events.len(), 1);
pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 15_000_000, our_payment_hash, Some(our_payment_secret), events.pop().unwrap(), true, None);
- do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, our_payment_preimage);
+ do_claim_payment_along_route(
+ ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], our_payment_preimage)
+ );
expect_payment_sent(&nodes[0], our_payment_preimage, Some(None), true, true);
}
do_test_max_dust_htlc_exposure_by_threshold_type(true, true);
}
+#[test]
+fn test_nondust_htlc_fees_are_dust() {
+ // Test that the transaction fees paid in nondust HTLCs count towards our dust limit
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+
+ let mut config = test_default_channel_config();
+ // Set the dust limit to the default value
+ config.channel_config.max_dust_htlc_exposure =
+ MaxDustHTLCExposure::FeeRateMultiplier(10_000);
+ // Make sure the HTLC limits don't get in the way
+ config.channel_handshake_limits.min_max_accepted_htlcs = 400;
+ config.channel_handshake_config.our_max_accepted_htlcs = 400;
+ config.channel_handshake_config.our_htlc_minimum_msat = 1;
+
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[Some(config), Some(config), Some(config)]);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ // Create a channel from 1 -> 0 but immediately push all of the funds towards 0
+ let chan_id_1 = create_announced_chan_between_nodes(&nodes, 1, 0).2;
+ while nodes[1].node.list_channels()[0].next_outbound_htlc_limit_msat > 0 {
+ send_payment(&nodes[1], &[&nodes[0]], nodes[1].node.list_channels()[0].next_outbound_htlc_limit_msat);
+ }
+
+ // First get the channel one HTLC_VALUE HTLC away from the dust limit by sending dust HTLCs
+ // repeatedly until we run out of space.
+ const HTLC_VALUE: u64 = 1_000_000; // Doesn't matter, tune until the test passes
+ let payment_preimage = route_payment(&nodes[0], &[&nodes[1]], HTLC_VALUE).0;
+
+ while nodes[0].node.list_channels()[0].next_outbound_htlc_minimum_msat == 0 {
+ route_payment(&nodes[0], &[&nodes[1]], HTLC_VALUE);
+ }
+ assert_ne!(nodes[0].node.list_channels()[0].next_outbound_htlc_limit_msat, 0,
+ "We don't want to run out of ability to send because of some non-dust limit");
+ assert!(nodes[0].node.list_channels()[0].pending_outbound_htlcs.len() < 10,
+ "We should be able to fill our dust limit without too many HTLCs");
+
+ let dust_limit = nodes[0].node.list_channels()[0].next_outbound_htlc_minimum_msat;
+ claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
+ assert_ne!(nodes[0].node.list_channels()[0].next_outbound_htlc_minimum_msat, 0,
+ "Make sure we are able to send once we clear one HTLC");
+
+ // At this point we have somewhere between dust_limit and dust_limit * 2 left in our dust
+ // exposure limit, and we want to max that out using non-dust HTLCs.
+ let commitment_tx_per_htlc_cost =
+ htlc_success_tx_weight(&ChannelTypeFeatures::empty()) * 253;
+ let max_htlcs_remaining = dust_limit * 2 / commitment_tx_per_htlc_cost;
+ assert!(max_htlcs_remaining < 30,
+ "We should be able to fill our dust limit without too many HTLCs");
+ for i in 0..max_htlcs_remaining + 1 {
+ assert_ne!(i, max_htlcs_remaining);
+ if nodes[0].node.list_channels()[0].next_outbound_htlc_limit_msat < dust_limit {
+ // We found our limit, and it was less than max_htlcs_remaining!
+ // At this point we can only send dust HTLCs as any non-dust HTLCs will overuse our
+ // remaining dust exposure.
+ break;
+ }
+ route_payment(&nodes[0], &[&nodes[1]], dust_limit * 2);
+ }
+
+ // At this point non-dust HTLCs are no longer accepted from node 0 -> 1, we also check that
+ // such HTLCs can't be routed over the same channel either.
+ create_announced_chan_between_nodes(&nodes, 2, 0);
+ let (route, payment_hash, _, payment_secret) =
+ get_route_and_payment_hash!(nodes[2], nodes[1], dust_limit * 2);
+ let onion = RecipientOnionFields::secret_only(payment_secret);
+ nodes[2].node.send_payment_with_route(&route, payment_hash, onion, PaymentId([0; 32])).unwrap();
+ check_added_monitors(&nodes[2], 1);
+ let send = SendEvent::from_node(&nodes[2]);
+
+ nodes[0].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &send.msgs[0]);
+ commitment_signed_dance!(nodes[0], nodes[2], send.commitment_msg, false, true);
+
+ expect_pending_htlcs_forwardable!(nodes[0]);
+ check_added_monitors(&nodes[0], 1);
+ let node_id_1 = nodes[1].node.get_our_node_id();
+ expect_htlc_handling_failed_destinations!(
+ nodes[0].node.get_and_clear_pending_events(),
+ &[HTLCDestination::NextHopChannel { node_id: Some(node_id_1), channel_id: chan_id_1 }]
+ );
+
+ let fail = get_htlc_update_msgs(&nodes[0], &nodes[2].node.get_our_node_id());
+ nodes[2].node.handle_update_fail_htlc(&nodes[0].node.get_our_node_id(), &fail.update_fail_htlcs[0]);
+ commitment_signed_dance!(nodes[2], nodes[0], fail.commitment_signed, false);
+ expect_payment_failed_conditions(&nodes[2], payment_hash, false, PaymentFailedConditions::new());
+}
+
+
#[test]
fn test_non_final_funding_tx() {
let chanmon_cfgs = create_chanmon_cfgs(2);
},
_ => panic!()
}
- let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- match events[0] {
- Event::ChannelClosed { channel_id, .. } => {
- assert_eq!(channel_id, temp_channel_id);
- },
- _ => panic!("Unexpected event"),
- }
+ let err = "Error in transaction funding: Misuse error: Funding transaction absolute timelock is non-final".to_owned();
+ check_closed_events(&nodes[0], &[ExpectedCloseEvent::from_id_reason(temp_channel_id, false, ClosureReason::ProcessingError { err })]);
+ assert_eq!(get_err_msg(&nodes[0], &nodes[1].node.get_our_node_id()).data, "Failed to fund channel");
}
#[test]
projects / rust-lightning / blobdiff