let events = nodes[2].node.get_and_clear_pending_events();
assert_eq!(events.len(), 2);
match events[0] {
- Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat, receiver_node_id, via_channel_id, via_user_channel_id: _ } => {
assert_eq!(our_payment_hash_21, *payment_hash);
assert_eq!(recv_value_21, amount_msat);
+ assert_eq!(nodes[2].node.get_our_node_id(), receiver_node_id.unwrap());
+ assert_eq!(via_channel_id, Some(chan_2.2));
match &purpose {
PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
assert!(payment_preimage.is_none());
_ => panic!("Unexpected event"),
}
match events[1] {
- Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat, receiver_node_id, via_channel_id, via_user_channel_id: _ } => {
assert_eq!(our_payment_hash_22, *payment_hash);
assert_eq!(recv_value_22, amount_msat);
+ assert_eq!(nodes[2].node.get_our_node_id(), receiver_node_id.unwrap());
+ assert_eq!(via_channel_id, Some(chan_2.2));
match &purpose {
PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
assert!(payment_preimage.is_none());
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let mut as_channel_ready = None;
- if messages_delivered == 0 {
- let (channel_ready, _, _) = create_chan_between_nodes_with_value_a(&nodes[0], &nodes[1], 100000, 10001, channelmanager::provided_init_features(), channelmanager::provided_init_features());
+ let channel_id = if messages_delivered == 0 {
+ let (channel_ready, chan_id, _) = create_chan_between_nodes_with_value_a(&nodes[0], &nodes[1], 100000, 10001, channelmanager::provided_init_features(), channelmanager::provided_init_features());
as_channel_ready = Some(channel_ready);
// nodes[1] doesn't receive the channel_ready message (it'll be re-sent on reconnect)
// Note that we store it so that if we're running with `simulate_broken_lnd` we can deliver
// it before the channel_reestablish message.
+ chan_id
} else {
- create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
- }
+ create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features()).2
+ };
let (route, payment_hash_1, payment_preimage_1, payment_secret_1) = get_route_and_payment_hash!(nodes[0], nodes[1], 1_000_000);
let events_2 = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events_2.len(), 1);
match events_2[0] {
- Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amount_msat, receiver_node_id, via_channel_id, via_user_channel_id: _ } => {
assert_eq!(payment_hash_1, *payment_hash);
assert_eq!(amount_msat, 1_000_000);
+ assert_eq!(receiver_node_id.unwrap(), nodes[1].node.get_our_node_id());
+ assert_eq!(via_channel_id, Some(channel_id));
match &purpose {
PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
assert!(payment_preimage.is_none());
assert!(nodes[0].node.funding_transaction_generated(&temp_channel_id, &nodes[1].node.get_our_node_id(), tx.clone()).is_ok());
get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
}
+
+#[test]
+fn accept_busted_but_better_fee() {
+ // If a peer sends us a fee update that is too low, but higher than our previous channel
+ // feerate, we should accept it. In the future we may want to consider closing the channel
+ // later, but for now we only accept the update.
+ let mut 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_chan_between_nodes(&nodes[0], &nodes[1], channelmanager::provided_init_features(), channelmanager::provided_init_features());
+
+ // Set nodes[1] to expect 5,000 sat/kW.
+ {
+ let mut feerate_lock = chanmon_cfgs[1].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock = 5000;
+ }
+
+ // If nodes[0] increases their feerate, even if its not enough, nodes[1] should accept it.
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock = 1000;
+ }
+ nodes[0].node.timer_tick_occurred();
+ check_added_monitors!(nodes[0], 1);
+
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ MessageSendEvent::UpdateHTLCs { updates: msgs::CommitmentUpdate { ref update_fee, ref commitment_signed, .. }, .. } => {
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), update_fee.as_ref().unwrap());
+ commitment_signed_dance!(nodes[1], nodes[0], commitment_signed, false);
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ // If nodes[0] increases their feerate further, even if its not enough, nodes[1] should accept
+ // it.
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock = 2000;
+ }
+ nodes[0].node.timer_tick_occurred();
+ check_added_monitors!(nodes[0], 1);
+
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ MessageSendEvent::UpdateHTLCs { updates: msgs::CommitmentUpdate { ref update_fee, ref commitment_signed, .. }, .. } => {
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), update_fee.as_ref().unwrap());
+ commitment_signed_dance!(nodes[1], nodes[0], commitment_signed, false);
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ // However, if nodes[0] decreases their feerate, nodes[1] should reject it and close the
+ // channel.
+ {
+ let mut feerate_lock = chanmon_cfgs[0].fee_estimator.sat_per_kw.lock().unwrap();
+ *feerate_lock = 1000;
+ }
+ nodes[0].node.timer_tick_occurred();
+ check_added_monitors!(nodes[0], 1);
+
+ let events = nodes[0].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ MessageSendEvent::UpdateHTLCs { updates: msgs::CommitmentUpdate { ref update_fee, .. }, .. } => {
+ nodes[1].node.handle_update_fee(&nodes[0].node.get_our_node_id(), update_fee.as_ref().unwrap());
+ check_closed_event!(nodes[1], 1, ClosureReason::ProcessingError {
+ err: "Peer's feerate much too low. Actual: 1000. Our expected lower limit: 5000 (- 250)".to_owned() });
+ check_closed_broadcast!(nodes[1], true);
+ check_added_monitors!(nodes[1], 1);
+ },
+ _ => panic!("Unexpected event"),
+ };
+}