payment_metadata: Option<Vec<u8>>,
incoming_cltv_expiry: u32, // Used to track when we should expire pending HTLCs that go unclaimed
phantom_shared_secret: Option<[u8; 32]>,
+ /// See [`RecipientOnionFields::custom_tlvs`] for more info.
+ custom_tlvs: Vec<(u64, Vec<u8>)>,
},
ReceiveKeysend {
/// This was added in 0.0.116 and will break deserialization on downgrades.
payment_preimage: PaymentPreimage,
payment_metadata: Option<Vec<u8>>,
incoming_cltv_expiry: u32, // Used to track when we should expire pending HTLCs that go unclaimed
+ /// See [`RecipientOnionFields::custom_tlvs`] for more info.
+ custom_tlvs: Vec<(u64, Vec<u8>)>,
},
}
payment_preimage,
payment_metadata,
incoming_cltv_expiry: outgoing_cltv_value,
+ custom_tlvs,
}
} else if let Some(data) = payment_data {
PendingHTLCRouting::Receive {
payment_metadata,
incoming_cltv_expiry: outgoing_cltv_value,
phantom_shared_secret,
+ custom_tlvs,
}
} else {
return Err(InboundOnionErr {
}
}) => {
let (cltv_expiry, onion_payload, payment_data, phantom_shared_secret, mut onion_fields) = match routing {
- PendingHTLCRouting::Receive { payment_data, payment_metadata, incoming_cltv_expiry, phantom_shared_secret } => {
+ PendingHTLCRouting::Receive { payment_data, payment_metadata, incoming_cltv_expiry, phantom_shared_secret, custom_tlvs } => {
let _legacy_hop_data = Some(payment_data.clone());
let onion_fields = RecipientOnionFields { payment_secret: Some(payment_data.payment_secret),
- payment_metadata, custom_tlvs: vec![] };
+ payment_metadata, custom_tlvs };
(incoming_cltv_expiry, OnionPayload::Invoice { _legacy_hop_data },
Some(payment_data), phantom_shared_secret, onion_fields)
},
- PendingHTLCRouting::ReceiveKeysend { payment_data, payment_preimage, payment_metadata, incoming_cltv_expiry } => {
+ PendingHTLCRouting::ReceiveKeysend { payment_data, payment_preimage, payment_metadata, incoming_cltv_expiry, custom_tlvs } => {
let onion_fields = RecipientOnionFields {
payment_secret: payment_data.as_ref().map(|data| data.payment_secret),
payment_metadata,
- custom_tlvs: vec![],
+ custom_tlvs,
};
(incoming_cltv_expiry, OnionPayload::Spontaneous(payment_preimage),
payment_data, None, onion_fields)
(1, phantom_shared_secret, option),
(2, incoming_cltv_expiry, required),
(3, payment_metadata, option),
+ (5, custom_tlvs, optional_vec),
},
(2, ReceiveKeysend) => {
(0, payment_preimage, required),
(2, incoming_cltv_expiry, required),
(3, payment_metadata, option),
(4, payment_data, option), // Added in 0.0.116
+ (5, custom_tlvs, optional_vec),
},
;);
use crate::chain::channelmonitor::{ANTI_REORG_DELAY, HTLC_FAIL_BACK_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
use crate::sign::EntropySource;
use crate::chain::transaction::OutPoint;
-use crate::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentFailureReason};
+use crate::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentFailureReason, PaymentPurpose};
use crate::ln::channel::EXPIRE_PREV_CONFIG_TICKS;
use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, IDEMPOTENCY_TIMEOUT_TICKS, RecentPaymentDetails, RecipientOnionFields, HTLCForwardInfo, PendingHTLCRouting, PendingAddHTLCInfo};
use crate::ln::features::Bolt11InvoiceFeatures;
do_claim_from_closed_chan(false);
}
+#[test]
+fn test_custom_tlvs() {
+ do_test_custom_tlvs(true);
+ do_test_custom_tlvs(false);
+}
+
+fn do_test_custom_tlvs(spontaneous: bool) {
+ 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; 2]);
+ let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes(&nodes, 0, 1);
+
+ let amt_msat = 100_000;
+ let (mut route, our_payment_hash, our_payment_preimage, our_payment_secret) = get_route_and_payment_hash!(&nodes[0], &nodes[1], amt_msat);
+ let payment_id = PaymentId(our_payment_hash.0);
+ let custom_tlvs = vec![
+ (5482373483, vec![1, 2, 3, 4]),
+ (5482373487, vec![0x42u8; 16]),
+ ];
+ let onion_fields = RecipientOnionFields {
+ payment_secret: if spontaneous { None } else { Some(our_payment_secret) },
+ payment_metadata: None,
+ custom_tlvs: custom_tlvs.clone()
+ };
+ if spontaneous {
+ nodes[0].node.send_spontaneous_payment(&route, Some(our_payment_preimage), onion_fields, payment_id).unwrap();
+ } else {
+ nodes[0].node.send_payment_with_route(&route, our_payment_hash, onion_fields, payment_id).unwrap();
+ }
+ check_added_monitors(&nodes[0], 1);
+
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ let ev = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
+ let mut payment_event = SendEvent::from_event(ev);
+
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
+ check_added_monitors!(&nodes[1], 0);
+ commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
+ expect_pending_htlcs_forwardable!(nodes[1]);
+
+ let events = nodes[1].node.get_and_clear_pending_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ Event::PaymentClaimable { ref purpose, amount_msat, ref onion_fields, .. } => {
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_secret, .. } => {
+ assert_eq!(our_payment_secret, *payment_secret);
+ assert_eq!(Some(*payment_secret), onion_fields.as_ref().unwrap().payment_secret);
+ },
+ PaymentPurpose::SpontaneousPayment(payment_preimage) => {
+ assert_eq!(our_payment_preimage, *payment_preimage);
+ },
+ }
+ assert_eq!(amount_msat, amt_msat);
+ assert_eq!(onion_fields.clone().unwrap().custom_tlvs().clone(), custom_tlvs);
+ },
+ _ => panic!("Unexpected event"),
+ }
+
+ claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage);
+}
+
+#[test]
+fn test_retry_custom_tlvs() {
+ // Test that custom TLVs are successfully sent on retries
+ let chanmon_cfgs = create_chanmon_cfgs(3);
+ let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
+ let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes(&nodes, 0, 1);
+ let (chan_2_update, _, chan_2_id, _) = create_announced_chan_between_nodes(&nodes, 2, 1);
+
+ // Rebalance
+ send_payment(&nodes[2], &vec!(&nodes[1])[..], 1_500_000);
+
+ let amt_msat = 1_000_000;
+ let (route, payment_hash, payment_preimage, payment_secret) =
+ get_route_and_payment_hash!(nodes[0], nodes[2], amt_msat);
+
+ // Initiate the payment
+ let payment_id = PaymentId(payment_hash.0);
+ let mut route_params = RouteParameters {
+ payment_params: route.payment_params.clone().unwrap(),
+ final_value_msat: amt_msat,
+ };
+
+ let custom_tlvs = vec![((1 << 16) + 1, vec![0x42u8; 16])];
+ let onion_fields = RecipientOnionFields::secret_only(payment_secret);
+ let onion_fields = onion_fields.with_custom_tlvs(custom_tlvs.clone()).unwrap();
+
+ nodes[0].router.expect_find_route(route_params.clone(), Ok(route.clone()));
+ nodes[0].node.send_payment(payment_hash, onion_fields,
+ payment_id, route_params.clone(), Retry::Attempts(1)).unwrap();
+ check_added_monitors!(nodes[0], 1); // one monitor per path
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+
+ // Add the HTLC along the first hop.
+ let fail_path_msgs_1 = remove_first_msg_event_to_node(&nodes[1].node.get_our_node_id(), &mut events);
+ let (update_add, commitment_signed) = match fail_path_msgs_1 {
+ MessageSendEvent::UpdateHTLCs { node_id: _, updates: msgs::CommitmentUpdate {
+ ref update_add_htlcs, ref update_fulfill_htlcs, ref update_fail_htlcs,
+ ref update_fail_malformed_htlcs, ref update_fee, ref commitment_signed }
+ } => {
+ assert_eq!(update_add_htlcs.len(), 1);
+ assert!(update_fail_htlcs.is_empty());
+ assert!(update_fulfill_htlcs.is_empty());
+ assert!(update_fail_malformed_htlcs.is_empty());
+ assert!(update_fee.is_none());
+ (update_add_htlcs[0].clone(), commitment_signed.clone())
+ },
+ _ => panic!("Unexpected event"),
+ };
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add);
+ commitment_signed_dance!(nodes[1], nodes[0], commitment_signed, false);
+
+ // Attempt to forward the payment and complete the path's failure.
+ expect_pending_htlcs_forwardable!(&nodes[1]);
+ expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[1],
+ vec![HTLCDestination::NextHopChannel {
+ node_id: Some(nodes[2].node.get_our_node_id()),
+ channel_id: chan_2_id
+ }]);
+ let htlc_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ assert!(htlc_updates.update_add_htlcs.is_empty());
+ assert_eq!(htlc_updates.update_fail_htlcs.len(), 1);
+ assert!(htlc_updates.update_fulfill_htlcs.is_empty());
+ assert!(htlc_updates.update_fail_malformed_htlcs.is_empty());
+ check_added_monitors!(nodes[1], 1);
+ nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(),
+ &htlc_updates.update_fail_htlcs[0]);
+ commitment_signed_dance!(nodes[0], nodes[1], htlc_updates.commitment_signed, false);
+ let mut events = nodes[0].node.get_and_clear_pending_events();
+ match events[1] {
+ Event::PendingHTLCsForwardable { .. } => {},
+ _ => panic!("Unexpected event")
+ }
+ events.remove(1);
+ expect_payment_failed_conditions_event(events, payment_hash, false,
+ PaymentFailedConditions::new().mpp_parts_remain());
+
+ // Rebalance the channel so the retry of the payment can succeed.
+ send_payment(&nodes[2], &vec!(&nodes[1])[..], 1_500_000);
+
+ // Retry the payment and make sure it succeeds
+ route_params.payment_params.previously_failed_channels.push(chan_2_update.contents.short_channel_id);
+ nodes[0].router.expect_find_route(route_params, Ok(route));
+ nodes[0].node.process_pending_htlc_forwards();
+ check_added_monitors!(nodes[0], 1);
+ let mut events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ let payment_claimable = pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], 1_000_000,
+ payment_hash, Some(payment_secret), events.pop().unwrap(), true, None).unwrap();
+ let onion_fields = match payment_claimable {
+ Event::PaymentClaimable { onion_fields, .. } => onion_fields,
+ _ => panic!("Unexpected event"),
+ };
+ assert_eq!(onion_fields.unwrap().custom_tlvs(), &custom_tlvs);
+ claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
+}
+
fn do_test_payment_metadata_consistency(do_reload: bool, do_modify: bool) {
// Check that a payment metadata received on one HTLC that doesn't match the one received on
// another results in the HTLC being rejected.
projects / rust-lightning / commitdiff