Add a debug_assert the newly-documented (but existing) requirement
[rust-lightning] / lightning / src / ln / onion_route_tests.rs
index 36e9ddb067a87ad574fac2ddd9a604352e1da190..fd181da395dab8cfbcf5d0e3b9f89d214d2fb947 100644 (file)
 
 use crate::chain::channelmonitor::{CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
 use crate::chain::keysinterface::{EntropySource, NodeSigner, Recipient};
+use crate::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure};
 use crate::ln::{PaymentHash, PaymentSecret};
 use crate::ln::channel::EXPIRE_PREV_CONFIG_TICKS;
-use crate::ln::channelmanager::{HTLCForwardInfo, FailureCode, CLTV_FAR_FAR_AWAY, MIN_CLTV_EXPIRY_DELTA, PendingAddHTLCInfo, PendingHTLCInfo, PendingHTLCRouting, PaymentId};
+use crate::ln::channelmanager::{HTLCForwardInfo, FailureCode, CLTV_FAR_FAR_AWAY, MIN_CLTV_EXPIRY_DELTA, PendingAddHTLCInfo, PendingHTLCInfo, PendingHTLCRouting, PaymentId, RecipientOnionFields};
 use crate::ln::onion_utils;
 use crate::routing::gossip::{NetworkUpdate, RoutingFees};
 use crate::routing::router::{get_route, PaymentParameters, Route, RouteHint, RouteHintHop};
@@ -23,7 +24,6 @@ use crate::ln::features::{InitFeatures, InvoiceFeatures};
 use crate::ln::msgs;
 use crate::ln::msgs::{ChannelMessageHandler, ChannelUpdate};
 use crate::ln::wire::Encode;
-use crate::util::events::{Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure};
 use crate::util::ser::{Writeable, Writer};
 use crate::util::test_utils;
 use crate::util::config::{UserConfig, ChannelConfig};
@@ -82,7 +82,8 @@ fn run_onion_failure_test_with_fail_intercept<F1,F2,F3>(_name: &str, test_case:
 
        // 0 ~~> 2 send payment
        let payment_id = PaymentId(nodes[0].keys_manager.backing.get_secure_random_bytes());
-       nodes[0].node.send_payment(&route, *payment_hash, &Some(*payment_secret), payment_id).unwrap();
+       nodes[0].node.send_payment_with_route(&route, *payment_hash,
+               RecipientOnionFields::secret_only(*payment_secret), payment_id).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        // temper update_add (0 => 1)
@@ -280,7 +281,8 @@ fn test_fee_failures() {
 
        // positive case
        let (route, payment_hash_success, payment_preimage_success, payment_secret_success) = get_route_and_payment_hash!(nodes[0], nodes[2], 40_000);
-       nodes[0].node.send_payment(&route, payment_hash_success, &Some(payment_secret_success), PaymentId(payment_hash_success.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash_success,
+               RecipientOnionFields::secret_only(payment_secret_success), PaymentId(payment_hash_success.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], 40_000, payment_hash_success, payment_secret_success);
        claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_success);
@@ -301,7 +303,8 @@ fn test_fee_failures() {
        }
 
        let (payment_preimage_success, payment_hash_success, payment_secret_success) = get_payment_preimage_hash!(nodes[2]);
-       nodes[0].node.send_payment(&route, payment_hash_success, &Some(payment_secret_success), PaymentId(payment_hash_success.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash_success,
+               RecipientOnionFields::secret_only(payment_secret_success), PaymentId(payment_hash_success.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        pass_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], 40_000, payment_hash_success, payment_secret_success);
        claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_success);
@@ -342,7 +345,8 @@ fn test_onion_failure() {
                let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
                let cur_height = nodes[0].best_block_info().1 + 1;
                let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
-               let (mut onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, cur_height, &None).unwrap();
+               let (mut onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(
+                       &route.paths[0], 40000, RecipientOnionFields::spontaneous_empty(), cur_height, &None).unwrap();
                let mut new_payloads = Vec::new();
                for payload in onion_payloads.drain(..) {
                        new_payloads.push(BogusOnionHopData::new(payload));
@@ -359,7 +363,8 @@ fn test_onion_failure() {
                let session_priv = SecretKey::from_slice(&[3; 32]).unwrap();
                let cur_height = nodes[0].best_block_info().1 + 1;
                let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
-               let (mut onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, cur_height, &None).unwrap();
+               let (mut onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(
+                       &route.paths[0], 40000, RecipientOnionFields::spontaneous_empty(), cur_height, &None).unwrap();
                let mut new_payloads = Vec::new();
                for payload in onion_payloads.drain(..) {
                        new_payloads.push(BogusOnionHopData::new(payload));
@@ -552,7 +557,7 @@ fn test_onion_failure() {
                        for f in pending_forwards.iter_mut() {
                                match f {
                                        &mut HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo { ref mut forward_info, .. }) =>
-                                               forward_info.outgoing_cltv_value += 1,
+                                               forward_info.outgoing_cltv_value -= 1,
                                        _ => {},
                                }
                        }
@@ -586,7 +591,8 @@ fn test_onion_failure() {
                let height = nodes[2].best_block_info().1;
                route.paths[0][1].cltv_expiry_delta += CLTV_FAR_FAR_AWAY + route.paths[0][0].cltv_expiry_delta + 1;
                let onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
-               let (onion_payloads, _, htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, height, &None).unwrap();
+               let (onion_payloads, _, htlc_cltv) = onion_utils::build_onion_payloads(
+                       &route.paths[0], 40000, RecipientOnionFields::spontaneous_empty(), height, &None).unwrap();
                let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, [0; 32], &payment_hash);
                msg.cltv_expiry = htlc_cltv;
                msg.onion_routing_packet = onion_packet;
@@ -602,6 +608,48 @@ fn test_onion_failure() {
        }, true, Some(23), None, None);
 }
 
+#[test]
+fn test_overshoot_final_cltv() {
+       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; 3]);
+       let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+       create_announced_chan_between_nodes(&nodes, 0, 1);
+       create_announced_chan_between_nodes(&nodes, 1, 2);
+       let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[2], 40000);
+
+       let payment_id = PaymentId(nodes[0].keys_manager.backing.get_secure_random_bytes());
+       nodes[0].node.send_payment_with_route(&route, payment_hash, RecipientOnionFields::secret_only(payment_secret), payment_id).unwrap();
+
+       check_added_monitors!(nodes[0], 1);
+       let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+       let mut update_add_0 = update_0.update_add_htlcs[0].clone();
+       nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &update_add_0);
+       commitment_signed_dance!(nodes[1], nodes[0], &update_0.commitment_signed, false, true);
+
+       assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+       for (_, pending_forwards) in nodes[1].node.forward_htlcs.lock().unwrap().iter_mut() {
+               for f in pending_forwards.iter_mut() {
+                       match f {
+                               &mut HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo { ref mut forward_info, .. }) =>
+                                       forward_info.outgoing_cltv_value += 1,
+                               _ => {},
+                       }
+               }
+       }
+       expect_pending_htlcs_forwardable!(nodes[1]);
+
+       check_added_monitors!(&nodes[1], 1);
+       let update_1 = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
+       let mut update_add_1 = update_1.update_add_htlcs[0].clone();
+       nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &update_add_1);
+       commitment_signed_dance!(nodes[2], nodes[1], update_1.commitment_signed, false, true);
+
+       expect_pending_htlcs_forwardable!(nodes[2]);
+       expect_payment_claimable!(nodes[2], payment_hash, payment_secret, 40_000);
+       claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage);
+}
+
 fn do_test_onion_failure_stale_channel_update(announced_channel: bool) {
        // Create a network of three nodes and two channels connecting them. We'll be updating the
        // HTLC relay policy of the second channel, causing forwarding failures at the first hop.
@@ -809,7 +857,8 @@ fn test_always_create_tlv_format_onion_payloads() {
        assert!(!hops[1].node_features.supports_variable_length_onion());
 
        let cur_height = nodes[0].best_block_info().1 + 1;
-       let (onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(&route.paths[0], 40000, &None, cur_height, &None).unwrap();
+       let (onion_payloads, _htlc_msat, _htlc_cltv) = onion_utils::build_onion_payloads(
+               &route.paths[0], 40000, RecipientOnionFields::spontaneous_empty(), cur_height, &None).unwrap();
 
        match onion_payloads[0].format {
                msgs::OnionHopDataFormat::NonFinalNode {..} => {},
@@ -838,7 +887,8 @@ fn do_test_fail_htlc_backwards_with_reason(failure_code: FailureCode) {
 
        let payment_amount = 100_000;
        let (route, payment_hash, _, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], payment_amount);
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
 
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
@@ -949,7 +999,8 @@ fn test_phantom_onion_hmac_failure() {
        let (route, phantom_scid) = get_phantom_route!(nodes, recv_value_msat, channel);
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1010,7 +1061,8 @@ fn test_phantom_invalid_onion_payload() {
        // We'll use the session priv later when constructing an invalid onion packet.
        let session_priv = [3; 32];
        *nodes[0].keys_manager.override_random_bytes.lock().unwrap() = Some(session_priv);
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1032,7 +1084,9 @@ fn test_phantom_invalid_onion_payload() {
                                        let height = nodes[0].best_block_info().1;
                                        let session_priv = SecretKey::from_slice(&session_priv).unwrap();
                                        let mut onion_keys = onion_utils::construct_onion_keys(&Secp256k1::new(), &route.paths[0], &session_priv).unwrap();
-                                       let (mut onion_payloads, _, _) = onion_utils::build_onion_payloads(&route.paths[0], msgs::MAX_VALUE_MSAT + 1, &Some(payment_secret), height + 1, &None).unwrap();
+                                       let (mut onion_payloads, _, _) = onion_utils::build_onion_payloads(
+                                               &route.paths[0], msgs::MAX_VALUE_MSAT + 1,
+                                               RecipientOnionFields::secret_only(payment_secret), height + 1, &None).unwrap();
                                        // We only want to construct the onion packet for the last hop, not the entire route, so
                                        // remove the first hop's payload and its keys.
                                        onion_keys.remove(0);
@@ -1081,7 +1135,8 @@ fn test_phantom_final_incorrect_cltv_expiry() {
        let (route, phantom_scid) = get_phantom_route!(nodes, recv_value_msat, channel);
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1096,7 +1151,7 @@ fn test_phantom_final_incorrect_cltv_expiry() {
                                &mut HTLCForwardInfo::AddHTLC(PendingAddHTLCInfo {
                                        forward_info: PendingHTLCInfo { ref mut outgoing_cltv_value, .. }, ..
                                }) => {
-                                       *outgoing_cltv_value += 1;
+                                       *outgoing_cltv_value -= 1;
                                },
                                _ => panic!("Unexpected forward"),
                        }
@@ -1114,7 +1169,7 @@ fn test_phantom_final_incorrect_cltv_expiry() {
        commitment_signed_dance!(nodes[0], nodes[1], update_1.commitment_signed, false);
 
        // Ensure the payment fails with the expected error.
-       let expected_cltv: u32 = 82;
+       let expected_cltv: u32 = 80;
        let error_data = expected_cltv.to_be_bytes().to_vec();
        let mut fail_conditions = PaymentFailedConditions::new()
                .blamed_scid(phantom_scid)
@@ -1140,7 +1195,8 @@ fn test_phantom_failure_too_low_cltv() {
        route.paths[0][1].cltv_expiry_delta = 5;
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1187,7 +1243,8 @@ fn test_phantom_failure_modified_cltv() {
        let (mut route, phantom_scid) = get_phantom_route!(nodes, recv_value_msat, channel);
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1228,7 +1285,8 @@ fn test_phantom_failure_expires_too_soon() {
        let (mut route, phantom_scid) = get_phantom_route!(nodes, recv_value_msat, channel);
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1266,7 +1324,8 @@ fn test_phantom_failure_too_low_recv_amt() {
        let (mut route, phantom_scid) = get_phantom_route!(nodes, bad_recv_amt_msat, channel);
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1316,7 +1375,8 @@ fn test_phantom_dust_exposure_failure() {
        let (mut route, _) = get_phantom_route!(nodes, max_dust_exposure + 1, channel);
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();
@@ -1359,7 +1419,8 @@ fn test_phantom_failure_reject_payment() {
        let (mut route, phantom_scid) = get_phantom_route!(nodes, recv_amt_msat, channel);
 
        // Route the HTLC through to the destination.
-       nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret), PaymentId(payment_hash.0)).unwrap();
+       nodes[0].node.send_payment_with_route(&route, payment_hash,
+               RecipientOnionFields::secret_only(payment_secret), PaymentId(payment_hash.0)).unwrap();
        check_added_monitors!(nodes[0], 1);
        let update_0 = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
        let mut update_add = update_0.update_add_htlcs[0].clone();