use chain::channelmonitor;
use chain::channelmonitor::{ChannelMonitor, CLTV_CLAIM_BUFFER, LATENCY_GRACE_PERIOD_BLOCKS, ANTI_REORG_DELAY};
use chain::transaction::OutPoint;
-use chain::keysinterface::{KeysInterface, BaseSign};
+use chain::keysinterface::BaseSign;
use ln::{PaymentPreimage, PaymentSecret, PaymentHash};
use ln::channel::{COMMITMENT_TX_BASE_WEIGHT, COMMITMENT_TX_WEIGHT_PER_HTLC};
use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs, RAACommitmentOrder, PaymentSendFailure, BREAKDOWN_TIMEOUT, MIN_CLTV_EXPIRY_DELTA};
use ln::{chan_utils, onion_utils};
use ln::chan_utils::HTLC_SUCCESS_TX_WEIGHT;
use routing::router::{Route, RouteHop, RouteHint, RouteHintHop, get_route, get_keysend_route};
-use routing::network_graph::RoutingFees;
+use routing::network_graph::{NetworkUpdate, RoutingFees};
use ln::features::{ChannelFeatures, InitFeatures, InvoiceFeatures, NodeFeatures};
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler,RoutingMessageHandler,HTLCFailChannelUpdate, ErrorAction};
+use ln::msgs::{ChannelMessageHandler, RoutingMessageHandler, ErrorAction};
use util::enforcing_trait_impls::EnforcingSigner;
use util::{byte_utils, test_utils};
use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
use util::ser::{Writeable, ReadableArgs};
use util::config::UserConfig;
-use bitcoin::hashes::sha256d::Hash as Sha256dHash;
use bitcoin::hash_types::{Txid, BlockHash};
use bitcoin::blockdata::block::{Block, BlockHeader};
use bitcoin::blockdata::script::Builder;
use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hashes::Hash;
-use bitcoin::secp256k1::{Secp256k1, Message};
+use bitcoin::secp256k1::Secp256k1;
use bitcoin::secp256k1::key::{PublicKey,SecretKey};
use regex;
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], bs_fail_updates.commitment_signed, false, true);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, false);
- expect_payment_failed!(nodes[0], payment_hash_2, false);
+ expect_payment_failed_with_update!(nodes[0], payment_hash_2, false, chan_2.0.contents.short_channel_id, false);
// Now forward all the pending HTLCs and claim them back
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &initial_payment_event.msgs[0]);
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], commitment_signed, false, true);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, true);
- expect_payment_failed!(nodes[0], payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], payment_hash, false, chan_2.0.contents.short_channel_id, true);
},
_ => panic!("Unexpected event"),
}
commitment_signed_dance!(nodes[0], nodes[1], commitment_signed, false, true);
- let events = nodes[0].node.get_and_clear_pending_msg_events();
- // If we delivered B's RAA we got an unknown preimage error, not something
- // that we should update our routing table for.
- assert_eq!(events.len(), if deliver_bs_raa { 2 } else { 3 });
- for event in events {
- match event {
- MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
- _ => panic!("Unexpected event"),
- }
- }
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 3);
match events[0] {
- Event::PaymentFailed { ref payment_hash, .. } => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest: _, ref network_update, .. } => {
assert!(failed_htlcs.insert(payment_hash.0));
+ // If we delivered B's RAA we got an unknown preimage error, not something
+ // that we should update our routing table for.
+ if !deliver_bs_raa {
+ assert!(network_update.is_some());
+ }
},
_ => panic!("Unexpected event"),
}
match events[1] {
- Event::PaymentFailed { ref payment_hash, .. } => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest: _, ref network_update, .. } => {
assert!(failed_htlcs.insert(payment_hash.0));
+ assert!(network_update.is_some());
},
_ => panic!("Unexpected event"),
}
match events[2] {
- Event::PaymentFailed { ref payment_hash, .. } => {
+ Event::PaymentFailed { ref payment_hash, rejected_by_dest: _, ref network_update, .. } => {
assert!(failed_htlcs.insert(payment_hash.0));
+ assert!(network_update.is_some());
},
_ => panic!("Unexpected event"),
}
},
_ => unreachable!(),
}
- expect_payment_failed!(nodes[0], second_payment_hash, false);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, false);
+ expect_payment_failed_with_update!(nodes[0], second_payment_hash, false, chan_2.0.contents.short_channel_id, false);
} else {
expect_payment_failed!(nodes[1], second_payment_hash, true);
}
do_test_holding_cell_htlc_add_timeouts(true);
}
-#[test]
-fn test_invalid_channel_announcement() {
- //Test BOLT 7 channel_announcement msg requirement for final node, gather data to build customed channel_announcement msgs
- let secp_ctx = Secp256k1::new();
- let chanmon_cfgs = create_chanmon_cfgs(2);
- let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
- let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
- let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
-
- let chan_announcement = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known());
-
- let a_channel_lock = nodes[0].node.channel_state.lock().unwrap();
- let b_channel_lock = nodes[1].node.channel_state.lock().unwrap();
- let as_chan = a_channel_lock.by_id.get(&chan_announcement.3).unwrap();
- let bs_chan = b_channel_lock.by_id.get(&chan_announcement.3).unwrap();
-
- nodes[0].net_graph_msg_handler.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id : as_chan.get_short_channel_id().unwrap(), is_permanent: false } );
-
- let as_bitcoin_key = as_chan.get_signer().inner.holder_channel_pubkeys.funding_pubkey;
- let bs_bitcoin_key = bs_chan.get_signer().inner.holder_channel_pubkeys.funding_pubkey;
-
- let as_network_key = nodes[0].node.get_our_node_id();
- let bs_network_key = nodes[1].node.get_our_node_id();
-
- let were_node_one = as_bitcoin_key.serialize()[..] < bs_bitcoin_key.serialize()[..];
-
- let mut chan_announcement;
-
- macro_rules! dummy_unsigned_msg {
- () => {
- msgs::UnsignedChannelAnnouncement {
- features: ChannelFeatures::known(),
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
- short_channel_id: as_chan.get_short_channel_id().unwrap(),
- node_id_1: if were_node_one { as_network_key } else { bs_network_key },
- node_id_2: if were_node_one { bs_network_key } else { as_network_key },
- bitcoin_key_1: if were_node_one { as_bitcoin_key } else { bs_bitcoin_key },
- bitcoin_key_2: if were_node_one { bs_bitcoin_key } else { as_bitcoin_key },
- excess_data: Vec::new(),
- }
- }
- }
-
- macro_rules! sign_msg {
- ($unsigned_msg: expr) => {
- let msghash = Message::from_slice(&Sha256dHash::hash(&$unsigned_msg.encode()[..])[..]).unwrap();
- let as_bitcoin_sig = secp_ctx.sign(&msghash, &as_chan.get_signer().inner.funding_key);
- let bs_bitcoin_sig = secp_ctx.sign(&msghash, &bs_chan.get_signer().inner.funding_key);
- let as_node_sig = secp_ctx.sign(&msghash, &nodes[0].keys_manager.get_node_secret());
- let bs_node_sig = secp_ctx.sign(&msghash, &nodes[1].keys_manager.get_node_secret());
- chan_announcement = msgs::ChannelAnnouncement {
- node_signature_1 : if were_node_one { as_node_sig } else { bs_node_sig},
- node_signature_2 : if were_node_one { bs_node_sig } else { as_node_sig},
- bitcoin_signature_1: if were_node_one { as_bitcoin_sig } else { bs_bitcoin_sig },
- bitcoin_signature_2 : if were_node_one { bs_bitcoin_sig } else { as_bitcoin_sig },
- contents: $unsigned_msg
- }
- }
- }
-
- let unsigned_msg = dummy_unsigned_msg!();
- sign_msg!(unsigned_msg);
- assert_eq!(nodes[0].net_graph_msg_handler.handle_channel_announcement(&chan_announcement).unwrap(), true);
- let _ = nodes[0].net_graph_msg_handler.handle_htlc_fail_channel_update(&msgs::HTLCFailChannelUpdate::ChannelClosed { short_channel_id : as_chan.get_short_channel_id().unwrap(), is_permanent: false } );
-
- // Configured with Network::Testnet
- let mut unsigned_msg = dummy_unsigned_msg!();
- unsigned_msg.chain_hash = genesis_block(Network::Bitcoin).header.block_hash();
- sign_msg!(unsigned_msg);
- assert!(nodes[0].net_graph_msg_handler.handle_channel_announcement(&chan_announcement).is_err());
-
- let mut unsigned_msg = dummy_unsigned_msg!();
- unsigned_msg.chain_hash = BlockHash::hash(&[1,2,3,4,5,6,7,8,9]);
- sign_msg!(unsigned_msg);
- assert!(nodes[0].net_graph_msg_handler.handle_channel_announcement(&chan_announcement).is_err());
-}
-
#[test]
fn test_no_txn_manager_serialize_deserialize() {
let chanmon_cfgs = create_chanmon_cfgs(2);
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
{
commitment_signed_dance!(nodes[0], nodes[1], &htlc_updates.commitment_signed, false, true);
- expect_payment_failure_chan_update!(nodes[0], chan_2.0.contents.short_channel_id, true);
}
- expect_payment_failed!(nodes[0], duplicate_payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], duplicate_payment_hash, false, chan_2.0.contents.short_channel_id, true);
// Solve 2nd HTLC by broadcasting on B's chain HTLC-Success Tx from C
// Note that the fee paid is effectively double as the HTLC value (including the nodes[1] fee
let as_events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(as_events.len(), if announce_latest { 5 } else { 3 });
let mut as_failds = HashSet::new();
+ let mut as_updates = 0;
for event in as_events.iter() {
- if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, .. } = event {
+ if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, .. } = event {
assert!(as_failds.insert(*payment_hash));
if *payment_hash != payment_hash_2 {
assert_eq!(*rejected_by_dest, deliver_last_raa);
} else {
assert!(!rejected_by_dest);
}
+ if network_update.is_some() {
+ as_updates += 1;
+ }
} else { panic!("Unexpected event"); }
}
assert!(as_failds.contains(&payment_hash_1));
let bs_events = nodes[1].node.get_and_clear_pending_events();
assert_eq!(bs_events.len(), if announce_latest { 4 } else { 3 });
let mut bs_failds = HashSet::new();
+ let mut bs_updates = 0;
for event in bs_events.iter() {
- if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, .. } = event {
+ if let &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, .. } = event {
assert!(bs_failds.insert(*payment_hash));
if *payment_hash != payment_hash_1 && *payment_hash != payment_hash_5 {
assert_eq!(*rejected_by_dest, deliver_last_raa);
} else {
assert!(!rejected_by_dest);
}
+ if network_update.is_some() {
+ bs_updates += 1;
+ }
} else { panic!("Unexpected event"); }
}
assert!(bs_failds.contains(&payment_hash_1));
assert!(bs_failds.contains(&payment_hash_5));
// For each HTLC which was not failed-back by normal process (ie deliver_last_raa), we should
- // get a PaymentFailureNetworkUpdate. A should have gotten 4 HTLCs which were failed-back due
- // to unknown-preimage-etc, B should have gotten 2. Thus, in the
- // announce_latest && deliver_last_raa case, we should have 5-4=1 and 4-2=2
- // PaymentFailureNetworkUpdates.
- let as_msg_events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(as_msg_events.len(), if deliver_last_raa { 1 } else if !announce_latest { 3 } else { 5 });
- let bs_msg_events = nodes[1].node.get_and_clear_pending_msg_events();
- assert_eq!(bs_msg_events.len(), if deliver_last_raa { 2 } else if !announce_latest { 3 } else { 4 });
- for event in as_msg_events.iter().chain(bs_msg_events.iter()) {
- match event {
- &MessageSendEvent::PaymentFailureNetworkUpdate { .. } => {},
- _ => panic!("Unexpected event"),
- }
- }
+ // get a NetworkUpdate. A should have gotten 4 HTLCs which were failed-back due to
+ // unknown-preimage-etc, B should have gotten 2. Thus, in the
+ // announce_latest && deliver_last_raa case, we should have 5-4=1 and 4-2=2 NetworkUpdates.
+ assert_eq!(as_updates, if deliver_last_raa { 1 } else if !announce_latest { 3 } else { 5 });
+ assert_eq!(bs_updates, if deliver_last_raa { 2 } else if !announce_latest { 3 } else { 4 });
}
#[test]
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match &events[0] {
- &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref error_code, ref error_data } => {
+ &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, ref error_code, ref error_data } => {
assert_eq!(our_payment_hash.clone(), *payment_hash);
assert_eq!(*rejected_by_dest, false);
+ assert_eq!(*network_update, None);
assert_eq!(*error_code, None);
assert_eq!(*error_data, None);
},
let events = nodes[0].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match &events[0] {
- &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref error_code, ref error_data } => {
+ &Event::PaymentFailed { ref payment_hash, ref rejected_by_dest, ref network_update, ref error_code, ref error_data } => {
assert_eq!(payment_hash_2.clone(), *payment_hash);
assert_eq!(*rejected_by_dest, false);
+ assert_eq!(*network_update, None);
assert_eq!(*error_code, None);
assert_eq!(*error_data, None);
},
_ => panic!("Unexpected event"),
};
nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &raa);
- expect_payment_failure_chan_update!(nodes[0], chan_1_2.0.contents.short_channel_id, false);
- expect_payment_failed!(nodes[0], our_payment_hash, false);
+ expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, chan_1_2.0.contents.short_channel_id, false);
check_added_monitors!(nodes[0], 1);
}
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_fail_updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], htlc_fail_updates.commitment_signed, true, true);
- expect_payment_failed!(nodes[0], our_payment_hash, false);
- expect_payment_failure_chan_update!(nodes[0], nodes[2].node.list_channels()[0].short_channel_id.unwrap(), true);
+ expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, nodes[2].node.list_channels()[0].short_channel_id.unwrap(), true);
// Now disconnect nodes[1] from its peers and restart with accept_forwards_to_priv_channels set
// to true. Sadly there is currently no way to change it at runtime.
assert!(updates.update_fee.is_none());
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &updates.update_fail_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], updates.commitment_signed, true, true);
- expect_payment_failed!(nodes[0], payment_hash, false);
- expect_payment_failure_chan_update!(nodes[0], chan_announce.contents.short_channel_id, true);
+ expect_payment_failed_with_update!(nodes[0], payment_hash, false, chan_announce.contents.short_channel_id, true);
}
}
do_test_tx_confirmed_skipping_blocks_immediate_broadcast(true);
}
+#[test]
+fn test_forwardable_regen() {
+ // Tests that if we reload a ChannelManager while forwards are pending we will regenerate the
+ // PendingHTLCsForwardable event automatically, ensuring we don't forget to forward/receive
+ // HTLCs.
+ // We test it for both payment receipt and payment forwarding.
+
+ 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, None, None]);
+ let persister: test_utils::TestPersister;
+ let new_chain_monitor: test_utils::TestChainMonitor;
+ let nodes_1_deserialized: ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
+ let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+ create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+
+ // First send a payment to nodes[1]
+ let (route, payment_hash, payment_preimage, payment_secret) = get_route_and_payment_hash!(nodes[0], nodes[1], 100_000);
+ nodes[0].node.send_payment(&route, payment_hash, &Some(payment_secret)).unwrap();
+ 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_event = SendEvent::from_event(events.pop().unwrap());
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
+ commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
+
+ expect_pending_htlcs_forwardable_ignore!(nodes[1]);
+
+ // Next send a payment which is forwarded by nodes[1]
+ let (route_2, payment_hash_2, payment_preimage_2, payment_secret_2) = get_route_and_payment_hash!(nodes[0], nodes[2], 200_000);
+ nodes[0].node.send_payment(&route_2, payment_hash_2, &Some(payment_secret_2)).unwrap();
+ 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_event = SendEvent::from_event(events.pop().unwrap());
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &payment_event.msgs[0]);
+ commitment_signed_dance!(nodes[1], nodes[0], payment_event.commitment_msg, false);
+
+ // There is already a PendingHTLCsForwardable event "pending" so another one will not be
+ // generated
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ // Now restart nodes[1] and make sure it regenerates a single PendingHTLCsForwardable
+ nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+ nodes[2].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+
+ let nodes_1_serialized = nodes[1].node.encode();
+ let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
+ let mut chan_1_monitor_serialized = test_utils::TestVecWriter(Vec::new());
+ {
+ let monitors = nodes[1].chain_monitor.chain_monitor.monitors.read().unwrap();
+ let mut monitor_iter = monitors.iter();
+ monitor_iter.next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
+ monitor_iter.next().unwrap().1.write(&mut chan_1_monitor_serialized).unwrap();
+ }
+
+ persister = test_utils::TestPersister::new();
+ let keys_manager = &chanmon_cfgs[1].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[1].chain_source), nodes[1].tx_broadcaster.clone(), nodes[1].logger, node_cfgs[1].fee_estimator, &persister, keys_manager);
+ nodes[1].chain_monitor = &new_chain_monitor;
+
+ let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
+ let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
+ &mut chan_0_monitor_read, keys_manager).unwrap();
+ assert!(chan_0_monitor_read.is_empty());
+ let mut chan_1_monitor_read = &chan_1_monitor_serialized.0[..];
+ let (_, mut chan_1_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
+ &mut chan_1_monitor_read, keys_manager).unwrap();
+ assert!(chan_1_monitor_read.is_empty());
+
+ let mut nodes_1_read = &nodes_1_serialized[..];
+ let (_, nodes_1_deserialized_tmp) = {
+ let mut channel_monitors = HashMap::new();
+ channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
+ channel_monitors.insert(chan_1_monitor.get_funding_txo().0, &mut chan_1_monitor);
+ <(BlockHash, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_1_read, ChannelManagerReadArgs {
+ default_config: UserConfig::default(),
+ keys_manager,
+ fee_estimator: node_cfgs[1].fee_estimator,
+ chain_monitor: nodes[1].chain_monitor,
+ tx_broadcaster: nodes[1].tx_broadcaster.clone(),
+ logger: nodes[1].logger,
+ channel_monitors,
+ }).unwrap()
+ };
+ nodes_1_deserialized = nodes_1_deserialized_tmp;
+ assert!(nodes_1_read.is_empty());
+
+ assert!(nodes[1].chain_monitor.watch_channel(chan_0_monitor.get_funding_txo().0, chan_0_monitor).is_ok());
+ assert!(nodes[1].chain_monitor.watch_channel(chan_1_monitor.get_funding_txo().0, chan_1_monitor).is_ok());
+ nodes[1].node = &nodes_1_deserialized;
+ check_added_monitors!(nodes[1], 2);
+
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ // Note that nodes[1] and nodes[2] resend their funding_locked here since they haven't updated
+ // the commitment state.
+ reconnect_nodes(&nodes[1], &nodes[2], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ expect_payment_received!(nodes[1], payment_hash, payment_secret, 100_000);
+ check_added_monitors!(nodes[1], 1);
+
+ let mut events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ let payment_event = SendEvent::from_event(events.pop().unwrap());
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &payment_event.msgs[0]);
+ commitment_signed_dance!(nodes[2], nodes[1], payment_event.commitment_msg, false);
+ expect_pending_htlcs_forwardable!(nodes[2]);
+ expect_payment_received!(nodes[2], payment_hash_2, payment_secret_2, 200_000);
+
+ claim_payment(&nodes[0], &[&nodes[1]], payment_preimage);
+ claim_payment(&nodes[0], &[&nodes[1], &nodes[2]], payment_preimage_2);
+}
+
#[test]
fn test_keysend_payments_to_public_node() {
let chanmon_cfgs = create_chanmon_cfgs(2);