Merge pull request #1863 from TheBlueMatt/2022-11-holding-cell-batch-update
[rust-lightning] / fuzz / src / chanmon_consistency.rs
index d2145f1b7bf3ab17f3e1ef0101b6e7ed81ff9a36..605a8c29c291690cacff642d78454d00950517ee 100644 (file)
@@ -38,7 +38,7 @@ use lightning::chain::transaction::OutPoint;
 use lightning::chain::chaininterface::{BroadcasterInterface, ConfirmationTarget, FeeEstimator};
 use lightning::chain::keysinterface::{KeyMaterial, KeysInterface, InMemorySigner, Recipient};
 use lightning::ln::{PaymentHash, PaymentPreimage, PaymentSecret};
-use lightning::ln::channelmanager::{self, ChainParameters, ChannelManager, PaymentSendFailure, ChannelManagerReadArgs};
+use lightning::ln::channelmanager::{self, ChainParameters, ChannelManager, PaymentSendFailure, ChannelManagerReadArgs, PaymentId};
 use lightning::ln::channel::FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE;
 use lightning::ln::msgs::{CommitmentUpdate, ChannelMessageHandler, DecodeError, UpdateAddHTLC, Init};
 use lightning::ln::script::ShutdownScript;
@@ -193,9 +193,14 @@ impl KeysInterface for KeyProvider {
                ShutdownScript::new_p2wpkh(&pubkey_hash)
        }
 
-       fn get_channel_signer(&self, _inbound: bool, channel_value_satoshis: u64) -> EnforcingSigner {
+       fn generate_channel_keys_id(&self, _inbound: bool, _channel_value_satoshis: u64, _user_channel_id: u128) -> [u8; 32] {
+               let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed) as u8;
+               [id; 32]
+       }
+
+       fn derive_channel_signer(&self, channel_value_satoshis: u64, channel_keys_id: [u8; 32]) -> Self::Signer {
                let secp_ctx = Secp256k1::signing_only();
-               let id = self.rand_bytes_id.fetch_add(1, atomic::Ordering::Relaxed);
+               let id = channel_keys_id[0];
                let keys = InMemorySigner::new(
                        &secp_ctx,
                        self.get_node_secret(Recipient::Node).unwrap(),
@@ -204,9 +209,9 @@ impl KeysInterface for KeyProvider {
                        SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 6, self.node_id]).unwrap(),
                        SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 7, self.node_id]).unwrap(),
                        SecretKey::from_slice(&[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 8, self.node_id]).unwrap(),
-                       [id as u8, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, self.node_id],
+                       [id, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 9, self.node_id],
                        channel_value_satoshis,
-                       [0; 32],
+                       channel_keys_id,
                );
                let revoked_commitment = self.make_enforcement_state_cell(keys.commitment_seed);
                EnforcingSigner::new_with_revoked(keys, revoked_commitment, false)
@@ -253,7 +258,7 @@ fn check_api_err(api_err: APIError) {
        match api_err {
                APIError::APIMisuseError { .. } => panic!("We can't misuse the API"),
                APIError::FeeRateTooHigh { .. } => panic!("We can't send too much fee?"),
-               APIError::RouteError { .. } => panic!("Our routes should work"),
+               APIError::InvalidRoute { .. } => panic!("Our routes should work"),
                APIError::ChannelUnavailable { err } => {
                        // Test the error against a list of errors we can hit, and reject
                        // all others. If you hit this panic, the list of acceptable errors
@@ -283,12 +288,13 @@ fn check_payment_err(send_err: PaymentSendFailure) {
                PaymentSendFailure::PathParameterError(per_path_results) => {
                        for res in per_path_results { if let Err(api_err) = res { check_api_err(api_err); } }
                },
-               PaymentSendFailure::AllFailedRetrySafe(per_path_results) => {
+               PaymentSendFailure::AllFailedResendSafe(per_path_results) => {
                        for api_err in per_path_results { check_api_err(api_err); }
                },
                PaymentSendFailure::PartialFailure { results, .. } => {
                        for res in results { if let Err(api_err) = res { check_api_err(api_err); } }
                },
+               PaymentSendFailure::DuplicatePayment => panic!(),
        }
 }
 
@@ -308,9 +314,12 @@ fn get_payment_secret_hash(dest: &ChanMan, payment_id: &mut u8) -> Option<(Payme
 }
 
 #[inline]
-fn send_payment(source: &ChanMan, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8) -> bool {
+fn send_payment(source: &ChanMan, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8, payment_idx: &mut u64) -> bool {
        let (payment_secret, payment_hash) =
                if let Some((secret, hash)) = get_payment_secret_hash(dest, payment_id) { (secret, hash) } else { return true; };
+       let mut payment_id = [0; 32];
+       payment_id[0..8].copy_from_slice(&payment_idx.to_ne_bytes());
+       *payment_idx += 1;
        if let Err(err) = source.send_payment(&Route {
                paths: vec![vec![RouteHop {
                        pubkey: dest.get_our_node_id(),
@@ -321,15 +330,18 @@ fn send_payment(source: &ChanMan, dest: &ChanMan, dest_chan_id: u64, amt: u64, p
                        cltv_expiry_delta: 200,
                }]],
                payment_params: None,
-       }, payment_hash, &Some(payment_secret)) {
+       }, payment_hash, &Some(payment_secret), PaymentId(payment_id)) {
                check_payment_err(err);
                false
        } else { true }
 }
 #[inline]
-fn send_hop_payment(source: &ChanMan, middle: &ChanMan, middle_chan_id: u64, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8) -> bool {
+fn send_hop_payment(source: &ChanMan, middle: &ChanMan, middle_chan_id: u64, dest: &ChanMan, dest_chan_id: u64, amt: u64, payment_id: &mut u8, payment_idx: &mut u64) -> bool {
        let (payment_secret, payment_hash) =
                if let Some((secret, hash)) = get_payment_secret_hash(dest, payment_id) { (secret, hash) } else { return true; };
+       let mut payment_id = [0; 32];
+       payment_id[0..8].copy_from_slice(&payment_idx.to_ne_bytes());
+       *payment_idx += 1;
        if let Err(err) = source.send_payment(&Route {
                paths: vec![vec![RouteHop {
                        pubkey: middle.get_our_node_id(),
@@ -347,7 +359,7 @@ fn send_hop_payment(source: &ChanMan, middle: &ChanMan, middle_chan_id: u64, des
                        cltv_expiry_delta: 200,
                }]],
                payment_params: None,
-       }, payment_hash, &Some(payment_secret)) {
+       }, payment_hash, &Some(payment_secret), PaymentId(payment_id)) {
                check_payment_err(err);
                false
        } else { true }
@@ -553,6 +565,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
        let chan_b = nodes[2].list_usable_channels()[0].short_channel_id.unwrap();
 
        let mut payment_id: u8 = 0;
+       let mut payment_idx: u64 = 0;
 
        let mut chan_a_disconnected = false;
        let mut chan_b_disconnected = false;
@@ -835,16 +848,16 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                let mut events = nodes[$node].get_and_clear_pending_events();
                                // Sort events so that PendingHTLCsForwardable get processed last. This avoids a
                                // case where we first process a PendingHTLCsForwardable, then claim/fail on a
-                               // PaymentReceived, claiming/failing two HTLCs, but leaving a just-generated
-                               // PaymentReceived event for the second HTLC in our pending_events (and breaking
+                               // PaymentClaimable, claiming/failing two HTLCs, but leaving a just-generated
+                               // PaymentClaimable event for the second HTLC in our pending_events (and breaking
                                // our claim_set deduplication).
                                events.sort_by(|a, b| {
-                                       if let events::Event::PaymentReceived { .. } = a {
+                                       if let events::Event::PaymentClaimable { .. } = a {
                                                if let events::Event::PendingHTLCsForwardable { .. } = b {
                                                        Ordering::Less
                                                } else { Ordering::Equal }
                                        } else if let events::Event::PendingHTLCsForwardable { .. } = a {
-                                               if let events::Event::PaymentReceived { .. } = b {
+                                               if let events::Event::PaymentClaimable { .. } = b {
                                                        Ordering::Greater
                                                } else { Ordering::Equal }
                                        } else { Ordering::Equal }
@@ -852,7 +865,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                let had_events = !events.is_empty();
                                for event in events.drain(..) {
                                        match event {
-                                               events::Event::PaymentReceived { payment_hash, .. } => {
+                                               events::Event::PaymentClaimable { payment_hash, .. } => {
                                                        if claim_set.insert(payment_hash.0) {
                                                                if $fail {
                                                                        nodes[$node].fail_htlc_backwards(&payment_hash);
@@ -872,6 +885,7 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                                                        // looking like probes.
                                                },
                                                events::Event::PaymentForwarded { .. } if $node == 1 => {},
+                                               events::Event::ChannelReady { .. } => {},
                                                events::Event::PendingHTLCsForwardable { .. } => {
                                                        nodes[$node].process_pending_htlc_forwards();
                                                },
@@ -1036,61 +1050,61 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
                        },
 
                        // 1/10th the channel size:
-                       0x30 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id); },
-                       0x31 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id); },
-                       0x32 => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id); },
-                       0x33 => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id); },
-                       0x34 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000_000, &mut payment_id); },
-                       0x35 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000_000, &mut payment_id); },
-
-                       0x38 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000_000, &mut payment_id); },
-                       0x39 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000_000, &mut payment_id); },
-                       0x3a => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000_000, &mut payment_id); },
-                       0x3b => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000_000, &mut payment_id); },
-                       0x3c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000_000, &mut payment_id); },
-                       0x3d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000_000, &mut payment_id); },
-
-                       0x40 => { send_payment(&nodes[0], &nodes[1], chan_a, 100_000, &mut payment_id); },
-                       0x41 => { send_payment(&nodes[1], &nodes[0], chan_a, 100_000, &mut payment_id); },
-                       0x42 => { send_payment(&nodes[1], &nodes[2], chan_b, 100_000, &mut payment_id); },
-                       0x43 => { send_payment(&nodes[2], &nodes[1], chan_b, 100_000, &mut payment_id); },
-                       0x44 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100_000, &mut payment_id); },
-                       0x45 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100_000, &mut payment_id); },
-
-                       0x48 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000, &mut payment_id); },
-                       0x49 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000, &mut payment_id); },
-                       0x4a => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000, &mut payment_id); },
-                       0x4b => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000, &mut payment_id); },
-                       0x4c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000, &mut payment_id); },
-                       0x4d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000, &mut payment_id); },
-
-                       0x50 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000, &mut payment_id); },
-                       0x51 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000, &mut payment_id); },
-                       0x52 => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000, &mut payment_id); },
-                       0x53 => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000, &mut payment_id); },
-                       0x54 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000, &mut payment_id); },
-                       0x55 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000, &mut payment_id); },
-
-                       0x58 => { send_payment(&nodes[0], &nodes[1], chan_a, 100, &mut payment_id); },
-                       0x59 => { send_payment(&nodes[1], &nodes[0], chan_a, 100, &mut payment_id); },
-                       0x5a => { send_payment(&nodes[1], &nodes[2], chan_b, 100, &mut payment_id); },
-                       0x5b => { send_payment(&nodes[2], &nodes[1], chan_b, 100, &mut payment_id); },
-                       0x5c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100, &mut payment_id); },
-                       0x5d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100, &mut payment_id); },
-
-                       0x60 => { send_payment(&nodes[0], &nodes[1], chan_a, 10, &mut payment_id); },
-                       0x61 => { send_payment(&nodes[1], &nodes[0], chan_a, 10, &mut payment_id); },
-                       0x62 => { send_payment(&nodes[1], &nodes[2], chan_b, 10, &mut payment_id); },
-                       0x63 => { send_payment(&nodes[2], &nodes[1], chan_b, 10, &mut payment_id); },
-                       0x64 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10, &mut payment_id); },
-                       0x65 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10, &mut payment_id); },
-
-                       0x68 => { send_payment(&nodes[0], &nodes[1], chan_a, 1, &mut payment_id); },
-                       0x69 => { send_payment(&nodes[1], &nodes[0], chan_a, 1, &mut payment_id); },
-                       0x6a => { send_payment(&nodes[1], &nodes[2], chan_b, 1, &mut payment_id); },
-                       0x6b => { send_payment(&nodes[2], &nodes[1], chan_b, 1, &mut payment_id); },
-                       0x6c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1, &mut payment_id); },
-                       0x6d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1, &mut payment_id); },
+                       0x30 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x31 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x32 => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x33 => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x34 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000_000, &mut payment_id, &mut payment_idx); },
+                       0x35 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000_000, &mut payment_id, &mut payment_idx); },
+
+                       0x38 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x39 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3a => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3b => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000_000, &mut payment_id, &mut payment_idx); },
+                       0x3d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000_000, &mut payment_id, &mut payment_idx); },
+
+                       0x40 => { send_payment(&nodes[0], &nodes[1], chan_a, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x41 => { send_payment(&nodes[1], &nodes[0], chan_a, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x42 => { send_payment(&nodes[1], &nodes[2], chan_b, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x43 => { send_payment(&nodes[2], &nodes[1], chan_b, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x44 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100_000, &mut payment_id, &mut payment_idx); },
+                       0x45 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100_000, &mut payment_id, &mut payment_idx); },
+
+                       0x48 => { send_payment(&nodes[0], &nodes[1], chan_a, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x49 => { send_payment(&nodes[1], &nodes[0], chan_a, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4a => { send_payment(&nodes[1], &nodes[2], chan_b, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4b => { send_payment(&nodes[2], &nodes[1], chan_b, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10_000, &mut payment_id, &mut payment_idx); },
+                       0x4d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10_000, &mut payment_id, &mut payment_idx); },
+
+                       0x50 => { send_payment(&nodes[0], &nodes[1], chan_a, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x51 => { send_payment(&nodes[1], &nodes[0], chan_a, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x52 => { send_payment(&nodes[1], &nodes[2], chan_b, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x53 => { send_payment(&nodes[2], &nodes[1], chan_b, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x54 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1_000, &mut payment_id, &mut payment_idx); },
+                       0x55 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1_000, &mut payment_id, &mut payment_idx); },
+
+                       0x58 => { send_payment(&nodes[0], &nodes[1], chan_a, 100, &mut payment_id, &mut payment_idx); },
+                       0x59 => { send_payment(&nodes[1], &nodes[0], chan_a, 100, &mut payment_id, &mut payment_idx); },
+                       0x5a => { send_payment(&nodes[1], &nodes[2], chan_b, 100, &mut payment_id, &mut payment_idx); },
+                       0x5b => { send_payment(&nodes[2], &nodes[1], chan_b, 100, &mut payment_id, &mut payment_idx); },
+                       0x5c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 100, &mut payment_id, &mut payment_idx); },
+                       0x5d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 100, &mut payment_id, &mut payment_idx); },
+
+                       0x60 => { send_payment(&nodes[0], &nodes[1], chan_a, 10, &mut payment_id, &mut payment_idx); },
+                       0x61 => { send_payment(&nodes[1], &nodes[0], chan_a, 10, &mut payment_id, &mut payment_idx); },
+                       0x62 => { send_payment(&nodes[1], &nodes[2], chan_b, 10, &mut payment_id, &mut payment_idx); },
+                       0x63 => { send_payment(&nodes[2], &nodes[1], chan_b, 10, &mut payment_id, &mut payment_idx); },
+                       0x64 => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 10, &mut payment_id, &mut payment_idx); },
+                       0x65 => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 10, &mut payment_id, &mut payment_idx); },
+
+                       0x68 => { send_payment(&nodes[0], &nodes[1], chan_a, 1, &mut payment_id, &mut payment_idx); },
+                       0x69 => { send_payment(&nodes[1], &nodes[0], chan_a, 1, &mut payment_id, &mut payment_idx); },
+                       0x6a => { send_payment(&nodes[1], &nodes[2], chan_b, 1, &mut payment_id, &mut payment_idx); },
+                       0x6b => { send_payment(&nodes[2], &nodes[1], chan_b, 1, &mut payment_id, &mut payment_idx); },
+                       0x6c => { send_hop_payment(&nodes[0], &nodes[1], chan_a, &nodes[2], chan_b, 1, &mut payment_id, &mut payment_idx); },
+                       0x6d => { send_hop_payment(&nodes[2], &nodes[1], chan_b, &nodes[0], chan_a, 1, &mut payment_id, &mut payment_idx); },
 
                        0x80 => {
                                let max_feerate = last_htlc_clear_fee_a * FEE_SPIKE_BUFFER_FEE_INCREASE_MULTIPLE as u32;
@@ -1173,11 +1187,11 @@ pub fn do_test<Out: Output>(data: &[u8], underlying_out: Out) {
 
                                // Finally, make sure that at least one end of each channel can make a substantial payment
                                assert!(
-                                       send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id) ||
-                                       send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id));
+                                       send_payment(&nodes[0], &nodes[1], chan_a, 10_000_000, &mut payment_id, &mut payment_idx) ||
+                                       send_payment(&nodes[1], &nodes[0], chan_a, 10_000_000, &mut payment_id, &mut payment_idx));
                                assert!(
-                                       send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id) ||
-                                       send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id));
+                                       send_payment(&nodes[1], &nodes[2], chan_b, 10_000_000, &mut payment_id, &mut payment_idx) ||
+                                       send_payment(&nodes[2], &nodes[1], chan_b, 10_000_000, &mut payment_id, &mut payment_idx));
 
                                last_htlc_clear_fee_a = fee_est_a.ret_val.load(atomic::Ordering::Acquire);
                                last_htlc_clear_fee_b = fee_est_b.ret_val.load(atomic::Ordering::Acquire);