pub fn expect_payment_forwarded<CM: AChannelManager, H: NodeHolder<CM=CM>>(
event: Event, node: &H, prev_node: &H, next_node: &H, expected_fee: Option<u64>,
- upstream_force_closed: bool, downstream_force_closed: bool
+ expected_extra_fees_msat: Option<u64>, upstream_force_closed: bool,
+ downstream_force_closed: bool
) {
match event {
Event::PaymentForwarded {
- fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id,
- outbound_amount_forwarded_msat: _
+ total_fee_earned_msat, prev_channel_id, claim_from_onchain_tx, next_channel_id,
+ outbound_amount_forwarded_msat: _, skimmed_fee_msat
} => {
- assert_eq!(fee_earned_msat, expected_fee);
+ assert_eq!(total_fee_earned_msat, expected_fee);
+
+ // Check that the (knowingly) withheld amount is always less or equal to the expected
+ // overpaid amount.
+ assert!(skimmed_fee_msat == expected_extra_fees_msat);
if !upstream_force_closed {
// Is the event prev_channel_id in one of the channels between the two nodes?
assert!(node.node().list_channels().iter().any(|x| x.counterparty.node_id == prev_node.node().get_our_node_id() && x.channel_id == prev_channel_id.unwrap()));
}
}
+#[macro_export]
macro_rules! expect_payment_forwarded {
($node: expr, $prev_node: expr, $next_node: expr, $expected_fee: expr, $upstream_force_closed: expr, $downstream_force_closed: expr) => {
let mut events = $node.node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
$crate::ln::functional_test_utils::expect_payment_forwarded(
- events.pop().unwrap(), &$node, &$prev_node, &$next_node, $expected_fee,
- $upstream_force_closed, $downstream_force_closed);
+ events.pop().unwrap(), &$node, &$prev_node, &$next_node, $expected_fee, None,
+ $upstream_force_closed, $downstream_force_closed
+ );
}
}
origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], skip_last: bool,
our_payment_preimage: PaymentPreimage
) -> u64 {
- let extra_fees = vec![0; expected_paths.len()];
- do_claim_payment_along_route_with_extra_penultimate_hop_fees(origin_node, expected_paths,
- &extra_fees[..], skip_last, our_payment_preimage)
-}
-
-pub fn do_claim_payment_along_route_with_extra_penultimate_hop_fees<'a, 'b, 'c>(
- origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], expected_extra_fees:
- &[u32], skip_last: bool, our_payment_preimage: PaymentPreimage
-) -> u64 {
- assert_eq!(expected_paths.len(), expected_extra_fees.len());
for path in expected_paths.iter() {
assert_eq!(path.last().unwrap().node.get_our_node_id(), expected_paths[0].last().unwrap().node.get_our_node_id());
}
expected_paths[0].last().unwrap().node.claim_funds(our_payment_preimage);
- pass_claimed_payment_along_route(origin_node, expected_paths, expected_extra_fees, skip_last, our_payment_preimage)
+ pass_claimed_payment_along_route(
+ ClaimAlongRouteArgs::new(origin_node, expected_paths, our_payment_preimage)
+ .skip_last(skip_last)
+ )
+}
+
+pub struct ClaimAlongRouteArgs<'a, 'b, 'c, 'd> {
+ pub origin_node: &'a Node<'b, 'c, 'd>,
+ pub expected_paths: &'a [&'a [&'a Node<'b, 'c, 'd>]],
+ pub expected_extra_fees: Vec<u32>,
+ pub expected_min_htlc_overpay: Vec<u32>,
+ pub skip_last: bool,
+ pub payment_preimage: PaymentPreimage,
}
-pub fn pass_claimed_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, 'c>, expected_paths: &[&[&Node<'a, 'b, 'c>]], expected_extra_fees: &[u32], skip_last: bool, our_payment_preimage: PaymentPreimage) -> u64 {
+impl<'a, 'b, 'c, 'd> ClaimAlongRouteArgs<'a, 'b, 'c, 'd> {
+ pub fn new(
+ origin_node: &'a Node<'b, 'c, 'd>, expected_paths: &'a [&'a [&'a Node<'b, 'c, 'd>]],
+ payment_preimage: PaymentPreimage,
+ ) -> Self {
+ Self {
+ origin_node, expected_paths, expected_extra_fees: vec![0; expected_paths.len()],
+ expected_min_htlc_overpay: vec![0; expected_paths.len()], skip_last: false, payment_preimage,
+ }
+ }
+ pub fn skip_last(mut self, skip_last: bool) -> Self {
+ self.skip_last = skip_last;
+ self
+ }
+ pub fn with_expected_extra_fees(mut self, extra_fees: Vec<u32>) -> Self {
+ self.expected_extra_fees = extra_fees;
+ self
+ }
+ pub fn with_expected_min_htlc_overpay(mut self, extra_fees: Vec<u32>) -> Self {
+ self.expected_min_htlc_overpay = extra_fees;
+ self
+ }
+}
+
+pub fn pass_claimed_payment_along_route<'a, 'b, 'c, 'd>(args: ClaimAlongRouteArgs) -> u64 {
+ let ClaimAlongRouteArgs {
+ origin_node, expected_paths, expected_extra_fees, expected_min_htlc_overpay, skip_last,
+ payment_preimage: our_payment_preimage
+ } = args;
let claim_event = expected_paths[0].last().unwrap().node.get_and_clear_pending_events();
assert_eq!(claim_event.len(), 1);
match claim_event[0] {
channel.context().config().forwarding_fee_base_msat
}
};
- if $idx == 1 { fee += expected_extra_fees[i]; }
- expect_payment_forwarded!(*$node, $next_node, $prev_node, Some(fee as u64), false, false);
+
+ let mut expected_extra_fee = None;
+ if $idx == 1 {
+ fee += expected_extra_fees[i];
+ fee += expected_min_htlc_overpay[i];
+ expected_extra_fee = if expected_extra_fees[i] > 0 { Some(expected_extra_fees[i] as u64) } else { None };
+ }
+ let mut events = $node.node.get_and_clear_pending_events();
+ assert_eq!(events.len(), 1);
+ expect_payment_forwarded(events.pop().unwrap(), *$node, $next_node, $prev_node,
+ Some(fee as u64), expected_extra_fee, false, false);
expected_total_fee_msat += fee as u64;
check_added_monitors!($node, 1);
let new_next_msgs = if $new_msgs {
projects / rust-lightning / blobdiff