Builder for creating static invoices from offers
[rust-lightning] / lightning / src / ln / payment_tests.rs
index 09c022a4c87b1f3e8d106126fde4fd212c22b75a..487fb83c158f8f2a2c364467ac57a0c982eba37d 100644 (file)
 //! serialization ordering between ChannelManager/ChannelMonitors and ensuring we can still retry
 //! payments thereafter.
 
-use crate::chain::{ChannelMonitorUpdateStatus, Confirm, Listen, Watch};
+use crate::chain::{ChannelMonitorUpdateStatus, Confirm, Listen};
 use crate::chain::channelmonitor::{ANTI_REORG_DELAY, HTLC_FAIL_BACK_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS};
 use crate::sign::EntropySource;
-use crate::chain::transaction::OutPoint;
 use crate::events::{ClosureReason, Event, HTLCDestination, MessageSendEvent, MessageSendEventsProvider, PathFailure, PaymentFailureReason, PaymentPurpose};
 use crate::ln::channel::{EXPIRE_PREV_CONFIG_TICKS, commit_tx_fee_msat, get_holder_selected_channel_reserve_satoshis, ANCHOR_OUTPUT_VALUE_SATOSHI};
 use crate::ln::channelmanager::{BREAKDOWN_TIMEOUT, MPP_TIMEOUT_TICKS, MIN_CLTV_EXPIRY_DELTA, PaymentId, PaymentSendFailure, RecentPaymentDetails, RecipientOnionFields, HTLCForwardInfo, PendingHTLCRouting, PendingAddHTLCInfo};
 use crate::ln::features::{Bolt11InvoiceFeatures, ChannelTypeFeatures};
-use crate::ln::{msgs, ChannelId, PaymentHash, PaymentSecret, PaymentPreimage};
+use crate::ln::msgs;
+use crate::ln::types::{ChannelId, PaymentHash, PaymentSecret, PaymentPreimage};
 use crate::ln::msgs::ChannelMessageHandler;
 use crate::ln::onion_utils;
 use crate::ln::outbound_payment::{IDEMPOTENCY_TIMEOUT_TICKS, Retry};
@@ -34,7 +34,7 @@ use crate::util::string::UntrustedString;
 
 use bitcoin::hashes::Hash;
 use bitcoin::hashes::sha256::Hash as Sha256;
-use bitcoin::network::constants::Network;
+use bitcoin::network::Network;
 use bitcoin::secp256k1::{Secp256k1, SecretKey};
 
 use crate::prelude::*;
@@ -160,7 +160,9 @@ fn mpp_retry() {
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
        pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 2_000_000, payment_hash, Some(payment_secret), events.pop().unwrap(), true, None);
-       claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
+       claim_payment_along_route(
+               ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], payment_preimage)
+       );
 }
 
 #[test]
@@ -351,7 +353,9 @@ fn do_mpp_receive_timeout(send_partial_mpp: bool) {
                        nodes[3].node.timer_tick_occurred();
                }
 
-               claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
+               claim_payment_along_route(
+                       ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], payment_preimage)
+               );
        }
 }
 
@@ -466,7 +470,9 @@ fn test_mpp_keysend() {
        let ev = remove_first_msg_event_to_node(&nodes[2].node.get_our_node_id(), &mut events);
        pass_along_path(&nodes[0], expected_route[1], recv_value, payment_hash.clone(),
                Some(payment_secret), ev.clone(), true, Some(payment_preimage));
-       claim_payment_along_route(&nodes[0], expected_route, false, payment_preimage);
+       claim_payment_along_route(
+               ClaimAlongRouteArgs::new(&nodes[0], expected_route, payment_preimage)
+       );
 }
 
 #[test]
@@ -817,7 +823,9 @@ fn do_retry_with_no_persist(confirm_before_reload: bool) {
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
        pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], 1_000_000, payment_hash, Some(payment_secret), events.pop().unwrap(), true, None);
-       do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
+       do_claim_payment_along_route(
+               ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[2]]], payment_preimage)
+       );
        expect_payment_sent!(nodes[0], payment_preimage, Some(new_route.paths[0].hops[0].fee_msat));
 }
 
@@ -1030,16 +1038,15 @@ fn test_completed_payment_not_retryable_on_reload() {
        do_test_completed_payment_not_retryable_on_reload(false);
 }
 
-
-fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, confirm_commitment_tx: bool, payment_timeout: bool) {
+fn do_test_dup_htlc_onchain_doesnt_fail_on_reload(persist_manager_post_event: bool, confirm_commitment_tx: bool, payment_timeout: bool) {
        // When a Channel is closed, any outbound HTLCs which were relayed through it are simply
-       // dropped when the Channel is. From there, the ChannelManager relies on the ChannelMonitor
-       // having a copy of the relevant fail-/claim-back data and processes the HTLC fail/claim when
-       // the ChannelMonitor tells it to.
+       // dropped. From there, the ChannelManager relies on the ChannelMonitor having a copy of the
+       // relevant fail-/claim-back data and processes the HTLC fail/claim when the ChannelMonitor tells
+       // it to.
        //
-       // If, due to an on-chain event, an HTLC is failed/claimed, we should avoid providing the
-       // ChannelManager the HTLC event until after the monitor is re-persisted. This should prevent a
-       // duplicate HTLC fail/claim (e.g. via a PaymentPathFailed event).
+       // If, due to an on-chain event, an HTLC is failed/claimed, we provide the
+       // ChannelManager with the HTLC event without waiting for ChannelMonitor persistence.
+       // This might generate duplicate HTLC fail/claim (e.g. via a PaymentPathFailed event) on reload.
        let chanmon_cfgs = create_chanmon_cfgs(2);
        let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
        let persister;
@@ -1049,11 +1056,12 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
        let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
 
        let (_, _, chan_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 1);
+       let error_message = "Channel force-closed";
 
        // Route a payment, but force-close the channel before the HTLC fulfill message arrives at
        // nodes[0].
        let (payment_preimage, payment_hash, ..) = route_payment(&nodes[0], &[&nodes[1]], 10_000_000);
-       nodes[0].node.force_close_broadcasting_latest_txn(&nodes[0].node.list_channels()[0].channel_id, &nodes[1].node.get_our_node_id()).unwrap();
+       nodes[0].node.force_close_broadcasting_latest_txn(&nodes[0].node.list_channels()[0].channel_id, &nodes[1].node.get_our_node_id(), error_message.to_string()).unwrap();
        check_closed_broadcast!(nodes[0], true);
        check_added_monitors!(nodes[0], 1);
        check_closed_event!(nodes[0], 1, ClosureReason::HolderForceClosed, [nodes[1].node.get_our_node_id()], 100000);
@@ -1103,7 +1111,6 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
        // Now connect the HTLC claim transaction with the ChainMonitor-generated ChannelMonitor update
        // returning InProgress. This should cause the claim event to never make its way to the
        // ChannelManager.
-       chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap().clear();
        chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::InProgress);
 
        if payment_timeout {
@@ -1112,14 +1119,9 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
                connect_block(&nodes[0], &claim_block);
        }
 
-       let funding_txo = OutPoint { txid: funding_tx.txid(), index: 0 };
-       let mon_updates: Vec<_> = chanmon_cfgs[0].persister.chain_sync_monitor_persistences.lock().unwrap()
-               .get_mut(&funding_txo).unwrap().drain().collect();
-       // If we are using chain::Confirm instead of chain::Listen, we will get the same update twice.
-       // If we're testing connection idempotency we may get substantially more.
-       assert!(mon_updates.len() >= 1);
-       assert!(nodes[0].chain_monitor.release_pending_monitor_events().is_empty());
-       assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
+       // Note that we skip persisting ChannelMonitors. We should still be generating the payment sent
+       // event without ChannelMonitor persistence. If we reset to a previous state on reload, the block
+       // should be replayed and we'll regenerate the event.
 
        // If we persist the ChannelManager here, we should get the PaymentSent event after
        // deserialization.
@@ -1128,13 +1130,7 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
                chan_manager_serialized = nodes[0].node.encode();
        }
 
-       // Now persist the ChannelMonitor and inform the ChainMonitor that we're done, generating the
-       // payment sent event.
-       chanmon_cfgs[0].persister.set_update_ret(ChannelMonitorUpdateStatus::Completed);
        let chan_0_monitor_serialized = get_monitor!(nodes[0], chan_id).encode();
-       for update in mon_updates {
-               nodes[0].chain_monitor.chain_monitor.channel_monitor_updated(funding_txo, update).unwrap();
-       }
        if payment_timeout {
                expect_payment_failed!(nodes[0], payment_hash, false);
        } else {
@@ -1168,13 +1164,13 @@ fn do_test_dup_htlc_onchain_fails_on_reload(persist_manager_post_event: bool, co
 }
 
 #[test]
-fn test_dup_htlc_onchain_fails_on_reload() {
-       do_test_dup_htlc_onchain_fails_on_reload(true, true, true);
-       do_test_dup_htlc_onchain_fails_on_reload(true, true, false);
-       do_test_dup_htlc_onchain_fails_on_reload(true, false, false);
-       do_test_dup_htlc_onchain_fails_on_reload(false, true, true);
-       do_test_dup_htlc_onchain_fails_on_reload(false, true, false);
-       do_test_dup_htlc_onchain_fails_on_reload(false, false, false);
+fn test_dup_htlc_onchain_doesnt_fail_on_reload() {
+       do_test_dup_htlc_onchain_doesnt_fail_on_reload(true, true, true);
+       do_test_dup_htlc_onchain_doesnt_fail_on_reload(true, true, false);
+       do_test_dup_htlc_onchain_doesnt_fail_on_reload(true, false, false);
+       do_test_dup_htlc_onchain_doesnt_fail_on_reload(false, true, true);
+       do_test_dup_htlc_onchain_doesnt_fail_on_reload(false, true, false);
+       do_test_dup_htlc_onchain_doesnt_fail_on_reload(false, false, false);
 }
 
 #[test]
@@ -1258,7 +1254,9 @@ fn get_ldk_payment_preimage() {
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
        pass_along_path(&nodes[0], &[&nodes[1]], amt_msat, payment_hash, Some(payment_secret), events.pop().unwrap(), true, Some(payment_preimage));
-       claim_payment_along_route(&nodes[0], &[&[&nodes[1]]], false, payment_preimage);
+       claim_payment_along_route(
+               ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1]]], payment_preimage)
+       );
 }
 
 #[test]
@@ -1592,7 +1590,9 @@ fn claimed_send_payment_idempotent() {
        // Claim the payment backwards, but note that the PaymentSent event is still pending and has
        // not been seen by the user. At this point, from the user perspective nothing has changed, so
        // we must remain just as idempotent as we were before.
-       do_claim_payment_along_route(&nodes[0], &[&[&nodes[1]]], false, first_payment_preimage);
+       do_claim_payment_along_route(
+               ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1]]], first_payment_preimage)
+       );
 
        for _ in 0..=IDEMPOTENCY_TIMEOUT_TICKS {
                nodes[0].node.timer_tick_occurred();
@@ -1993,7 +1993,9 @@ fn do_test_intercepted_payment(test: InterceptTest) {
 
                let payment_preimage = nodes[2].node.get_payment_preimage(payment_hash, payment_secret).unwrap();
                expect_payment_claimable!(&nodes[2], payment_hash, payment_secret, amt_msat, Some(payment_preimage), nodes[2].node.get_our_node_id());
-               do_claim_payment_along_route(&nodes[0], &vec!(&vec!(&nodes[1], &nodes[2])[..]), false, payment_preimage);
+               do_claim_payment_along_route(
+                       ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[2]]], payment_preimage)
+               );
                let events = nodes[0].node.get_and_clear_pending_events();
                assert_eq!(events.len(), 2);
                match events[0] {
@@ -2142,9 +2144,11 @@ fn do_accept_underpaying_htlcs_config(num_mpp_parts: usize) {
                        assert_eq!(skimmed_fee_msat * num_mpp_parts as u64, counterparty_skimmed_fee_msat);
                        assert_eq!(nodes[2].node.get_our_node_id(), receiver_node_id.unwrap());
                        match purpose {
-                               crate::events::PaymentPurpose::InvoicePayment { payment_preimage: ev_payment_preimage,
-                                       payment_secret: ev_payment_secret, .. } =>
-                               {
+                               crate::events::PaymentPurpose::Bolt11InvoicePayment {
+                                       payment_preimage: ev_payment_preimage,
+                                       payment_secret: ev_payment_secret,
+                                       ..
+                               } => {
                                        assert_eq!(payment_preimage, ev_payment_preimage.unwrap());
                                        assert_eq!(payment_secret, *ev_payment_secret);
                                },
@@ -2281,7 +2285,9 @@ fn do_automatic_retries(test: AutoRetry) {
                let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
                assert_eq!(msg_events.len(), 1);
                pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], amt_msat, payment_hash, Some(payment_secret), msg_events.pop().unwrap(), true, None);
-               claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
+               claim_payment_along_route(
+                       ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[2]]], payment_preimage)
+               );
        } else if test == AutoRetry::Spontaneous {
                nodes[0].node.send_spontaneous_payment_with_retry(Some(payment_preimage),
                        RecipientOnionFields::spontaneous_empty(), PaymentId(payment_hash.0), route_params,
@@ -2298,7 +2304,9 @@ fn do_automatic_retries(test: AutoRetry) {
                let mut msg_events = nodes[0].node.get_and_clear_pending_msg_events();
                assert_eq!(msg_events.len(), 1);
                pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], amt_msat, payment_hash, None, msg_events.pop().unwrap(), true, Some(payment_preimage));
-               claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
+               claim_payment_along_route(
+                       ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[2]]], payment_preimage)
+               );
        } else if test == AutoRetry::FailAttempts {
                // Ensure ChannelManager will not retry a payment if it has run out of payment attempts.
                nodes[0].node.send_payment(payment_hash, RecipientOnionFields::secret_only(payment_secret),
@@ -3592,6 +3600,7 @@ fn do_claim_from_closed_chan(fail_payment: bool) {
        // height.
        connect_blocks(&nodes[3], final_cltv - HTLC_FAIL_BACK_BUFFER - nodes[3].best_block_info().1
                - if fail_payment { 0 } else { 2 });
+       let error_message = "Channel force-closed";
        if fail_payment {
                // We fail the HTLC on the A->B->D path first as it expires 4 blocks earlier. We go ahead
                // and expire both immediately, though, by connecting another 4 blocks.
@@ -3601,7 +3610,7 @@ fn do_claim_from_closed_chan(fail_payment: bool) {
                expect_pending_htlcs_forwardable_and_htlc_handling_failed!(&nodes[3], [reason]);
                pass_failed_payment_back(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_hash, PaymentFailureReason::RecipientRejected);
        } else {
-               nodes[1].node.force_close_broadcasting_latest_txn(&chan_bd, &nodes[3].node.get_our_node_id()).unwrap();
+               nodes[1].node.force_close_broadcasting_latest_txn(&chan_bd, &nodes[3].node.get_our_node_id(), error_message.to_string()).unwrap();
                check_closed_event!(&nodes[1], 1, ClosureReason::HolderForceClosed, false,
                        [nodes[3].node.get_our_node_id()], 1000000);
                check_closed_broadcast(&nodes[1], 1, true);
@@ -3725,11 +3734,17 @@ fn do_test_custom_tlvs(spontaneous: bool, even_tlvs: bool, known_tlvs: bool) {
        match (known_tlvs, even_tlvs) {
                (true, _) => {
                        nodes[1].node.claim_funds_with_known_custom_tlvs(our_payment_preimage);
-                       let expected_total_fee_msat = pass_claimed_payment_along_route(ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1]]], our_payment_preimage));
+                       let expected_total_fee_msat = pass_claimed_payment_along_route(
+                               ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1]]], our_payment_preimage)
+                                       .with_custom_tlvs(custom_tlvs)
+                       );
                        expect_payment_sent!(&nodes[0], our_payment_preimage, Some(expected_total_fee_msat));
                },
                (false, false) => {
-                       claim_payment(&nodes[0], &[&nodes[1]], our_payment_preimage);
+                       claim_payment_along_route(
+                               ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1]]], our_payment_preimage)
+                                       .with_custom_tlvs(custom_tlvs)
+                       );
                },
                (false, true) => {
                        nodes[1].node.claim_funds(our_payment_preimage);
@@ -3813,15 +3828,15 @@ fn test_retry_custom_tlvs() {
        check_added_monitors!(nodes[0], 1);
        let mut events = nodes[0].node.get_and_clear_pending_msg_events();
        assert_eq!(events.len(), 1);
-       let payment_claimable = pass_along_path(&nodes[0], &[&nodes[1], &nodes[2]], 1_000_000,
-               payment_hash, Some(payment_secret), events.pop().unwrap(), true, None).unwrap();
-       match payment_claimable {
-               Event::PaymentClaimable { onion_fields, .. } => {
-                       assert_eq!(&onion_fields.unwrap().custom_tlvs()[..], &custom_tlvs[..]);
-               },
-               _ => panic!("Unexpected event"),
-       };
-       claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
+       let path = &[&nodes[1], &nodes[2]];
+       let args = PassAlongPathArgs::new(&nodes[0], path, 1_000_000, payment_hash, events.pop().unwrap())
+               .with_payment_secret(payment_secret)
+               .with_custom_tlvs(custom_tlvs.clone());
+       do_pass_along_path(args);
+       claim_payment_along_route(
+               ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[2]]], payment_preimage)
+                       .with_custom_tlvs(custom_tlvs)
+       );
 }
 
 #[test]
@@ -3952,8 +3967,10 @@ fn do_test_custom_tlvs_consistency(first_tlvs: Vec<(u64, Vec<u8>)>, second_tlvs:
                        _ => panic!("Unexpected event"),
                }
 
-               do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]],
-                       false, our_payment_preimage);
+               do_claim_payment_along_route(
+                       ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], our_payment_preimage)
+                               .with_custom_tlvs(expected_tlvs)
+               );
                expect_payment_sent(&nodes[0], our_payment_preimage, Some(Some(2000)), true, true);
        } else {
                // Expect fail back
@@ -4116,7 +4133,9 @@ fn do_test_payment_metadata_consistency(do_reload: bool, do_modify: bool) {
        } else {
                expect_pending_htlcs_forwardable!(nodes[3]);
                expect_payment_claimable!(nodes[3], payment_hash, payment_secret, amt_msat);
-               claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], false, payment_preimage);
+               claim_payment_along_route(
+                       ClaimAlongRouteArgs::new(&nodes[0], &[&[&nodes[1], &nodes[3]], &[&nodes[2], &nodes[3]]], payment_preimage)
+               );
        }
 }
 
@@ -4242,7 +4261,7 @@ fn peel_payment_onion_custom_tlvs() {
        let payment_hash = PaymentHash(Sha256::hash(&keysend_preimage.0).to_byte_array());
 
        let (onion_routing_packet, first_hop_msat, cltv_expiry) = onion_utils::create_payment_onion(
-               &secp_ctx, &route.paths[0], &session_priv, amt_msat, recipient_onion.clone(),
+               &secp_ctx, &route.paths[0], &session_priv, amt_msat, &recipient_onion,
                nodes[0].best_block_info().1, &payment_hash, &Some(keysend_preimage), prng_seed
        ).unwrap();