Bump `hashbrown` dependency to 0.13
[rust-lightning] / lightning / src / ln / functional_test_utils.rs
index e7fc68924efbda8209ba103b94d8eb54b932be3b..26f647211800b4dbaa0a41402f2b6416a1b2144d 100644 (file)
@@ -618,7 +618,7 @@ impl<'a, 'b, 'c> Drop for Node<'a, 'b, 'c> {
                        // Before using all the new monitors to check the watch outpoints, use the full set of
                        // them to ensure we can write and reload our ChannelManager.
                        {
-                               let mut channel_monitors = HashMap::new();
+                               let mut channel_monitors = new_hash_map();
                                for monitor in deserialized_monitors.iter_mut() {
                                        channel_monitors.insert(monitor.get_funding_txo().0, monitor);
                                }
@@ -1049,7 +1049,7 @@ pub fn _reload_node<'a, 'b, 'c>(node: &'a Node<'a, 'b, 'c>, default_config: User
 
        let mut node_read = &chanman_encoded[..];
        let (_, node_deserialized) = {
-               let mut channel_monitors = HashMap::new();
+               let mut channel_monitors = new_hash_map();
                for monitor in monitors_read.iter_mut() {
                        assert!(channel_monitors.insert(monitor.get_funding_txo().0, monitor).is_none());
                }
@@ -2203,14 +2203,19 @@ macro_rules! expect_payment_path_successful {
 
 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()));
@@ -2226,13 +2231,15 @@ pub fn expect_payment_forwarded<CM: AChannelManager, H: NodeHolder<CM=CM>>(
        }
 }
 
+#[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
+               );
        }
 }
 
@@ -2552,24 +2559,54 @@ pub fn do_claim_payment_along_route<'a, 'b, 'c>(
        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] {
@@ -2666,8 +2703,17 @@ pub fn pass_claimed_payment_along_route<'a, 'b, 'c>(origin_node: &Node<'a, 'b, '
                                                        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 {
@@ -3058,7 +3104,7 @@ pub enum HTLCType { NONE, TIMEOUT, SUCCESS }
 /// also fail.
 pub fn test_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, chan: &(msgs::ChannelUpdate, msgs::ChannelUpdate, ChannelId, Transaction), commitment_tx: Option<Transaction>, has_htlc_tx: HTLCType) -> Vec<Transaction>  {
        let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
-       let mut txn_seen = HashSet::new();
+       let mut txn_seen = new_hash_set();
        node_txn.retain(|tx| txn_seen.insert(tx.txid()));
        assert!(node_txn.len() >= if commitment_tx.is_some() { 0 } else { 1 } + if has_htlc_tx == HTLCType::NONE { 0 } else { 1 });
 
@@ -3123,7 +3169,7 @@ pub fn test_revoked_htlc_claim_txn_broadcast<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>
 
 pub fn check_preimage_claim<'a, 'b, 'c>(node: &Node<'a, 'b, 'c>, prev_txn: &Vec<Transaction>) -> Vec<Transaction>  {
        let mut node_txn = node.tx_broadcaster.txn_broadcasted.lock().unwrap();
-       let mut txn_seen = HashSet::new();
+       let mut txn_seen = new_hash_set();
        node_txn.retain(|tx| txn_seen.insert(tx.txid()));
 
        let mut found_prev = false;
@@ -3223,7 +3269,7 @@ macro_rules! get_channel_value_stat {
 macro_rules! get_chan_reestablish_msgs {
        ($src_node: expr, $dst_node: expr) => {
                {
-                       let mut announcements = $crate::prelude::HashSet::new();
+                       let mut announcements = $crate::prelude::new_hash_set();
                        let mut res = Vec::with_capacity(1);
                        for msg in $src_node.node.get_and_clear_pending_msg_events() {
                                if let MessageSendEvent::SendChannelReestablish { ref node_id, ref msg } = msg {