//! here. See also the chanmon_fail_consistency fuzz test.
use bitcoin::blockdata::block::{Block, BlockHeader};
+use bitcoin::blockdata::constants::genesis_block;
use bitcoin::hash_types::BlockHash;
use bitcoin::network::constants::Network;
use chain::channelmonitor::{ChannelMonitor, ChannelMonitorUpdateErr};
use routing::router::get_route;
use util::config::UserConfig;
use util::enforcing_trait_impls::EnforcingSigner;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, PaymentPurpose};
use util::errors::APIError;
use util::ser::{ReadableArgs, Writeable};
+use util::test_utils::TestBroadcaster;
use bitcoin::hashes::sha256::Hash as Sha256;
use bitcoin::hashes::Hash;
use util::test_utils;
use prelude::*;
-use std::collections::HashMap;
+use sync::{Arc, Mutex};
// If persister_fail is true, we have the persister return a PermanentFailure
// instead of the higher-level ChainMonitor.
let chain_source = test_utils::TestChainSource::new(Network::Testnet);
let logger = test_utils::TestLogger::with_id(format!("node {}", 0));
let persister = test_utils::TestPersister::new();
+ let tx_broadcaster = TestBroadcaster {
+ txn_broadcasted: Mutex::new(Vec::new()),
+ // Because we will connect a block at height 200 below, we need the TestBroadcaster to know
+ // that we are at height 200 so that it doesn't think we're violating the time lock
+ // requirements of transactions broadcasted at that point.
+ blocks: Arc::new(Mutex::new(vec![(genesis_block(Network::Testnet).header, 200); 200])),
+ };
let chain_mon = {
let monitors = nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap();
let monitor = monitors.get(&outpoint).unwrap();
let new_monitor = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
&mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let chain_mon = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
+ let chain_mon = test_utils::TestChainMonitor::new(Some(&chain_source), &tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(chain_mon.watch_channel(outpoint, new_monitor).is_ok());
chain_mon
};
if disconnect {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (true, true), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
match persister_fail {
let events_3 = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events_3.len(), 1);
match events_3[0] {
- Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt, user_payment_id: _ } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amt } => {
assert_eq!(payment_hash_1, *payment_hash);
- assert!(payment_preimage.is_none());
- assert_eq!(payment_secret_1, *payment_secret);
assert_eq!(amt, 1000000);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(payment_secret_1, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
}
if disconnect {
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
}
// ...and make sure we can force-close a frozen channel
let events_5 = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events_5.len(), 1);
match events_5[0] {
- Event::PaymentReceived { ref payment_hash, ref payment_preimage, ref payment_secret, amt, user_payment_id: _ } => {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amt } => {
assert_eq!(payment_hash_2, *payment_hash);
- assert!(payment_preimage.is_none());
- assert_eq!(payment_secret_2, *payment_secret);
assert_eq!(amt, 1000000);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(payment_secret_2, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
}
let events = nodes[1].node.get_and_clear_pending_events();
assert_eq!(events.len(), 1);
match events[0] {
- Event::PaymentReceived { payment_hash, payment_preimage, payment_secret, amt, user_payment_id: _ } => {
+ Event::PaymentReceived { payment_hash, ref purpose, amt } => {
assert_eq!(payment_hash, our_payment_hash);
- assert!(payment_preimage.is_none());
- assert_eq!(our_payment_secret, payment_secret);
assert_eq!(amt, 1000000);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(our_payment_secret, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
},
_ => panic!("Unexpected event"),
};
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
check_added_monitors!(nodes[1], 1);
- // Attempt to forward a third payment but fail due to the second channel being unavailable
- // for forwarding.
+ // Forward a third payment which will also be added to the holding cell, despite the channel
+ // being paused waiting a monitor update.
let (_, payment_hash_3, payment_secret_3) = get_payment_preimage_hash!(nodes[2]);
{
let net_graph_msg_handler = &nodes[0].net_graph_msg_handler;
commitment_signed_dance!(nodes[1], nodes[0], send_event.commitment_msg, false, true);
check_added_monitors!(nodes[1], 0);
- let mut events_2 = nodes[1].node.get_and_clear_pending_msg_events();
- assert_eq!(events_2.len(), 1);
- match events_2.remove(0) {
- MessageSendEvent::UpdateHTLCs { node_id, updates } => {
- assert_eq!(node_id, nodes[0].node.get_our_node_id());
- assert!(updates.update_fulfill_htlcs.is_empty());
- assert_eq!(updates.update_fail_htlcs.len(), 1);
- assert!(updates.update_fail_malformed_htlcs.is_empty());
- assert!(updates.update_add_htlcs.is_empty());
- 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, false, true);
-
- let msg_events = nodes[0].node.get_and_clear_pending_msg_events();
- assert_eq!(msg_events.len(), 1);
- match msg_events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { update: msgs::HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg }} => {
- assert_eq!(msg.contents.short_channel_id, chan_2.0.contents.short_channel_id);
- assert_eq!(msg.contents.flags & 2, 2); // temp disabled
- },
- _ => panic!("Unexpected event"),
- }
-
- let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- if let Event::PaymentFailed { payment_hash, rejected_by_dest, .. } = events[0] {
- assert_eq!(payment_hash, payment_hash_3);
- assert!(!rejected_by_dest);
- } else { panic!("Unexpected event!"); }
- },
- _ => panic!("Unexpected event type!"),
- };
+ // Call forward_pending_htlcs and check that the new HTLC was simply added to the holding cell
+ // and not forwarded.
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ check_added_monitors!(nodes[1], 0);
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
let (payment_preimage_4, payment_hash_4) = if test_ignore_second_cs {
// Try to route another payment backwards from 2 to make sure 1 holds off on responding
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Previous monitor update failure prevented generation of RAA".to_string(), 1);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
- assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
(Some(payment_preimage_4), Some(payment_hash_4))
} else { (None, None) };
nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &messages_a.0);
commitment_signed_dance!(nodes[0], nodes[1], messages_a.1, false);
- let events_4 = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events_4.len(), 1);
- if let Event::PaymentFailed { payment_hash, rejected_by_dest, .. } = events_4[0] {
- assert_eq!(payment_hash, payment_hash_1);
- assert!(rejected_by_dest);
- } else { panic!("Unexpected event!"); }
+ expect_payment_failed!(nodes[0], payment_hash_1, true);
nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &send_event_b.msgs[0]);
+ let as_cs;
if test_ignore_second_cs {
nodes[2].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_b.commitment_msg);
check_added_monitors!(nodes[2], 1);
nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_revoke_and_ack);
check_added_monitors!(nodes[1], 1);
- let as_cs = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
- assert!(as_cs.update_add_htlcs.is_empty());
- assert!(as_cs.update_fail_htlcs.is_empty());
- assert!(as_cs.update_fail_malformed_htlcs.is_empty());
- assert!(as_cs.update_fulfill_htlcs.is_empty());
- assert!(as_cs.update_fee.is_none());
+ as_cs = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &bs_cs.commitment_signed);
check_added_monitors!(nodes[1], 1);
- let as_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[2].node.get_our_node_id());
-
- nodes[2].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &as_cs.commitment_signed);
+ } else {
+ nodes[2].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &send_event_b.commitment_msg);
check_added_monitors!(nodes[2], 1);
- let bs_second_raa = get_event_msg!(nodes[2], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
- nodes[2].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &as_raa);
- check_added_monitors!(nodes[2], 1);
- assert!(nodes[2].node.get_and_clear_pending_msg_events().is_empty());
+ let bs_revoke_and_commit = nodes[2].node.get_and_clear_pending_msg_events();
+ assert_eq!(bs_revoke_and_commit.len(), 2);
+ match bs_revoke_and_commit[0] {
+ MessageSendEvent::SendRevokeAndACK { ref node_id, ref msg } => {
+ assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &msg);
+ check_added_monitors!(nodes[1], 1);
+ },
+ _ => panic!("Unexpected event"),
+ }
- nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_second_raa);
- check_added_monitors!(nodes[1], 1);
- assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
- } else {
- commitment_signed_dance!(nodes[2], nodes[1], send_event_b.commitment_msg, false);
+ as_cs = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
+
+ match bs_revoke_and_commit[1] {
+ MessageSendEvent::UpdateHTLCs { ref node_id, ref updates } => {
+ assert_eq!(*node_id, nodes[1].node.get_our_node_id());
+ assert!(updates.update_add_htlcs.is_empty());
+ assert!(updates.update_fail_htlcs.is_empty());
+ assert!(updates.update_fail_malformed_htlcs.is_empty());
+ assert!(updates.update_fulfill_htlcs.is_empty());
+ assert!(updates.update_fee.is_none());
+ nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &updates.commitment_signed);
+ check_added_monitors!(nodes[1], 1);
+ },
+ _ => panic!("Unexpected event"),
+ }
}
+ assert_eq!(as_cs.update_add_htlcs.len(), 1);
+ assert!(as_cs.update_fail_htlcs.is_empty());
+ assert!(as_cs.update_fail_malformed_htlcs.is_empty());
+ assert!(as_cs.update_fulfill_htlcs.is_empty());
+ assert!(as_cs.update_fee.is_none());
+ let as_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[2].node.get_our_node_id());
+
+
+ nodes[2].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &as_cs.update_add_htlcs[0]);
+ nodes[2].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &as_cs.commitment_signed);
+ check_added_monitors!(nodes[2], 1);
+ let bs_second_raa = get_event_msg!(nodes[2], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id());
+
+ nodes[2].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &as_raa);
+ check_added_monitors!(nodes[2], 1);
+ let bs_second_cs = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
+
+ nodes[1].node.handle_revoke_and_ack(&nodes[2].node.get_our_node_id(), &bs_second_raa);
+ check_added_monitors!(nodes[1], 1);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+ nodes[1].node.handle_commitment_signed(&nodes[2].node.get_our_node_id(), &bs_second_cs.commitment_signed);
+ check_added_monitors!(nodes[1], 1);
+ let as_second_raa = get_event_msg!(nodes[1], MessageSendEvent::SendRevokeAndACK, nodes[2].node.get_our_node_id());
+
+ nodes[2].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &as_second_raa);
+ check_added_monitors!(nodes[2], 1);
+ assert!(nodes[2].node.get_and_clear_pending_msg_events().is_empty());
+
expect_pending_htlcs_forwardable!(nodes[2]);
let events_6 = nodes[2].node.get_and_clear_pending_events();
- assert_eq!(events_6.len(), 1);
+ assert_eq!(events_6.len(), 2);
match events_6[0] {
Event::PaymentReceived { payment_hash, .. } => { assert_eq!(payment_hash, payment_hash_2); },
_ => panic!("Unexpected event"),
};
+ match events_6[1] {
+ Event::PaymentReceived { payment_hash, .. } => { assert_eq!(payment_hash, payment_hash_3); },
+ _ => panic!("Unexpected event"),
+ };
if test_ignore_second_cs {
expect_pending_htlcs_forwardable!(nodes[1]);
nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish);
- assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert_eq!(
+ get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id())
+ .contents.flags & 2, 0); // The "disabled" bit should be unset as we just reconnected
+
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
check_added_monitors!(nodes[1], 1);
assert!(bs_reestablish == get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id()));
nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reestablish);
+ assert_eq!(
+ get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id())
+ .contents.flags & 2, 0); // The "disabled" bit should be unset as we just reconnected
nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reestablish);
check_added_monitors!(nodes[1], 0);
- assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert_eq!(
+ get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id())
+ .contents.flags & 2, 0); // The "disabled" bit should be unset as we just reconnected
*nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
let bs_reconnect = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reconnect);
- assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
+ let _as_channel_update = get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
// Now deliver a's reestablish, freeing the claim from the holding cell, but fail the monitor
// update.
*nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect);
- assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ let _bs_channel_update = get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Failed to update ChannelMonitor".to_string(), 1);
check_added_monitors!(nodes[1], 1);
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
let bs_reconnect = get_event_msg!(nodes[1], MessageSendEvent::SendChannelReestablish, nodes[0].node.get_our_node_id());
nodes[1].node.handle_channel_reestablish(&nodes[0].node.get_our_node_id(), &as_reconnect);
+ let _bs_channel_update = get_event_msg!(nodes[1], MessageSendEvent::SendChannelUpdate, nodes[0].node.get_our_node_id());
nodes[0].node.handle_channel_reestablish(&nodes[1].node.get_our_node_id(), &bs_reconnect);
+ let _as_channel_update = get_event_msg!(nodes[0], MessageSendEvent::SendChannelUpdate, nodes[1].node.get_our_node_id());
*nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Ok(()));
let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&channel_id).unwrap().clone();
fn test_monitor_update_fail_claim() {
// Basic test for monitor update failures when processing claim_funds calls.
// We set up a simple 3-node network, sending a payment from A to B and failing B's monitor
- // update to claim the payment. We then send a payment C->B->A, making the forward of this
- // payment from B to A fail due to the paused channel. Finally, we restore the channel monitor
- // updating and claim the payment on B.
+ // update to claim the payment. We then send two payments C->B->A, which are held at B.
+ // Finally, we restore the channel monitor updating and claim the payment on B, forwarding
+ // the payments from C onwards to A.
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]);
*nodes[1].chain_monitor.update_ret.lock().unwrap() = Some(Err(ChannelMonitorUpdateErr::TemporaryFailure));
assert!(nodes[1].node.claim_funds(payment_preimage_1));
+ nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Temporary failure claiming HTLC, treating as success: Failed to update ChannelMonitor".to_string(), 1);
check_added_monitors!(nodes[1], 1);
+ // Note that at this point there is a pending commitment transaction update for A being held by
+ // B. Even when we go to send the payment from C through B to A, B will not update this
+ // already-signed commitment transaction and will instead wait for it to resolve before
+ // forwarding the payment onwards.
+
let (_, payment_hash_2, payment_secret_2) = get_payment_preimage_hash!(nodes[0]);
+ let route;
{
let net_graph_msg_handler = &nodes[2].net_graph_msg_handler;
- let route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1000000, TEST_FINAL_CLTV, &logger).unwrap();
+ route = get_route(&nodes[2].node.get_our_node_id(), &net_graph_msg_handler.network_graph.read().unwrap(), &nodes[0].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 1_000_000, TEST_FINAL_CLTV, &logger).unwrap();
nodes[2].node.send_payment(&route, payment_hash_2, &Some(payment_secret_2)).unwrap();
check_added_monitors!(nodes[2], 1);
}
nodes[1].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &payment_event.msgs[0]);
let events = nodes[1].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 0);
- nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Temporary failure claiming HTLC, treating as success: Failed to update ChannelMonitor".to_string(), 1);
commitment_signed_dance!(nodes[1], nodes[2], payment_event.commitment_msg, false, true);
- let bs_fail_update = get_htlc_update_msgs!(nodes[1], nodes[2].node.get_our_node_id());
- nodes[2].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &bs_fail_update.update_fail_htlcs[0]);
- commitment_signed_dance!(nodes[2], nodes[1], bs_fail_update.commitment_signed, false, true);
-
- let msg_events = nodes[2].node.get_and_clear_pending_msg_events();
- assert_eq!(msg_events.len(), 1);
- match msg_events[0] {
- MessageSendEvent::PaymentFailureNetworkUpdate { update: msgs::HTLCFailChannelUpdate::ChannelUpdateMessage { ref msg }} => {
- assert_eq!(msg.contents.short_channel_id, chan_1.0.contents.short_channel_id);
- assert_eq!(msg.contents.flags & 2, 2); // temp disabled
- },
- _ => panic!("Unexpected event"),
- }
+ let (_, payment_hash_3, payment_secret_3) = get_payment_preimage_hash!(nodes[0]);
+ nodes[2].node.send_payment(&route, payment_hash_3, &Some(payment_secret_3)).unwrap();
+ check_added_monitors!(nodes[2], 1);
- let events = nodes[2].node.get_and_clear_pending_events();
+ let mut events = nodes[2].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
- if let Event::PaymentFailed { payment_hash, rejected_by_dest, .. } = events[0] {
- assert_eq!(payment_hash, payment_hash_2);
- assert!(!rejected_by_dest);
- } else { panic!("Unexpected event!"); }
+ let payment_event = SendEvent::from_event(events.pop().unwrap());
+ nodes[1].node.handle_update_add_htlc(&nodes[2].node.get_our_node_id(), &payment_event.msgs[0]);
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 0);
+ commitment_signed_dance!(nodes[1], nodes[2], payment_event.commitment_msg, false, true);
// Now restore monitor updating on the 0<->1 channel and claim the funds on B.
let (outpoint, latest_update) = nodes[1].chain_monitor.latest_monitor_update_id.lock().unwrap().get(&chan_1.2).unwrap().clone();
let bs_fulfill_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_fulfill_update.update_fulfill_htlcs[0]);
commitment_signed_dance!(nodes[0], nodes[1], bs_fulfill_update.commitment_signed, false);
+ expect_payment_sent!(nodes[0], payment_preimage_1);
+
+ // Get the payment forwards, note that they were batched into one commitment update.
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ check_added_monitors!(nodes[1], 1);
+ let bs_forward_update = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &bs_forward_update.update_add_htlcs[0]);
+ nodes[0].node.handle_update_add_htlc(&nodes[1].node.get_our_node_id(), &bs_forward_update.update_add_htlcs[1]);
+ commitment_signed_dance!(nodes[0], nodes[1], bs_forward_update.commitment_signed, false);
+ expect_pending_htlcs_forwardable!(nodes[0]);
let events = nodes[0].node.get_and_clear_pending_events();
- assert_eq!(events.len(), 1);
- if let Event::PaymentSent { payment_preimage, .. } = events[0] {
- assert_eq!(payment_preimage, payment_preimage_1);
- } else { panic!("Unexpected event!"); }
+ assert_eq!(events.len(), 2);
+ match events[0] {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amt } => {
+ assert_eq!(payment_hash_2, *payment_hash);
+ assert_eq!(1_000_000, amt);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(payment_secret_2, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
+ },
+ _ => panic!("Unexpected event"),
+ }
+ match events[1] {
+ Event::PaymentReceived { ref payment_hash, ref purpose, amt } => {
+ assert_eq!(payment_hash_3, *payment_hash);
+ assert_eq!(1_000_000, amt);
+ match &purpose {
+ PaymentPurpose::InvoicePayment { payment_preimage, payment_secret, .. } => {
+ assert!(payment_preimage.is_none());
+ assert_eq!(payment_secret_3, *payment_secret);
+ },
+ _ => panic!("expected PaymentPurpose::InvoicePayment")
+ }
+ },
+ _ => panic!("Unexpected event"),
+ }
}
#[test]
// Make sure nodes[1] isn't stupid enough to re-send the FundingLocked on reconnect
nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
nodes[1].node.peer_disconnected(&nodes[0].node.get_our_node_id(), false);
- reconnect_nodes(&nodes[0], &nodes[1], (false, confirm_a_first), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ reconnect_nodes(&nodes[0], &nodes[1], (false, confirm_a_first), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
assert!(nodes[0].node.get_and_clear_pending_msg_events().is_empty());
assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
// Pass the first HTLC of the payment along to nodes[3].
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[3]], 0, payment_hash.clone(), payment_secret, events.pop().unwrap(), false);
+ pass_along_path(&nodes[0], &[&nodes[1], &nodes[3]], 0, payment_hash.clone(), Some(payment_secret), events.pop().unwrap(), false, None);
// And check that, after we successfully update the monitor for chan_2 we can pass the second
// HTLC along to nodes[3] and claim the whole payment back to nodes[0].
nodes[0].node.channel_monitor_updated(&outpoint, latest_update);
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]], 200_000, payment_hash.clone(), payment_secret, events.pop().unwrap(), true);
+ pass_along_path(&nodes[0], &[&nodes[2], &nodes[3]], 200_000, payment_hash.clone(), 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);
}
do_channel_holding_cell_serialize(true, false);
do_channel_holding_cell_serialize(false, true); // last arg doesn't matter
}
+
+#[derive(PartialEq)]
+enum HTLCStatusAtDupClaim {
+ Received,
+ HoldingCell,
+ Cleared,
+}
+fn do_test_reconnect_dup_htlc_claims(htlc_status: HTLCStatusAtDupClaim, second_fails: bool) {
+ // When receiving an update_fulfill_htlc message, we immediately forward the claim backwards
+ // along the payment path before waiting for a full commitment_signed dance. This is great, but
+ // can cause duplicative claims if a node sends an update_fulfill_htlc message, disconnects,
+ // reconnects, and then has to re-send its update_fulfill_htlc message again.
+ // In previous code, we didn't handle the double-claim correctly, spuriously closing the
+ // channel on which the inbound HTLC was received.
+ 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 mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
+
+ create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known()).2;
+
+ let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 100_000);
+
+ let mut as_raa = None;
+ if htlc_status == HTLCStatusAtDupClaim::HoldingCell {
+ // In order to get the HTLC claim into the holding cell at nodes[1], we need nodes[1] to be
+ // awaiting a remote revoke_and_ack from nodes[0].
+ let (_, second_payment_hash, second_payment_secret) = get_payment_preimage_hash!(nodes[1]);
+ let route = get_route(&nodes[0].node.get_our_node_id(), &nodes[0].net_graph_msg_handler.network_graph.read().unwrap(),
+ &nodes[1].node.get_our_node_id(), Some(InvoiceFeatures::known()), None, &Vec::new(), 100_000, TEST_FINAL_CLTV, nodes[1].logger).unwrap();
+ nodes[0].node.send_payment(&route, second_payment_hash, &Some(second_payment_secret)).unwrap();
+ check_added_monitors!(nodes[0], 1);
+
+ let send_event = SendEvent::from_event(nodes[0].node.get_and_clear_pending_msg_events().remove(0));
+ nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &send_event.msgs[0]);
+ nodes[1].node.handle_commitment_signed(&nodes[0].node.get_our_node_id(), &send_event.commitment_msg);
+ check_added_monitors!(nodes[1], 1);
+
+ let (bs_raa, bs_cs) = get_revoke_commit_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_revoke_and_ack(&nodes[1].node.get_our_node_id(), &bs_raa);
+ check_added_monitors!(nodes[0], 1);
+ nodes[0].node.handle_commitment_signed(&nodes[1].node.get_our_node_id(), &bs_cs);
+ check_added_monitors!(nodes[0], 1);
+
+ as_raa = Some(get_event_msg!(nodes[0], MessageSendEvent::SendRevokeAndACK, nodes[1].node.get_our_node_id()));
+ }
+
+ let fulfill_msg = msgs::UpdateFulfillHTLC {
+ channel_id: chan_2,
+ htlc_id: 0,
+ payment_preimage,
+ };
+ if second_fails {
+ assert!(nodes[2].node.fail_htlc_backwards(&payment_hash));
+ expect_pending_htlcs_forwardable!(nodes[2]);
+ check_added_monitors!(nodes[2], 1);
+ get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
+ } else {
+ assert!(nodes[2].node.claim_funds(payment_preimage));
+ check_added_monitors!(nodes[2], 1);
+ let cs_updates = get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
+ assert_eq!(cs_updates.update_fulfill_htlcs.len(), 1);
+ // Check that the message we're about to deliver matches the one generated:
+ assert_eq!(fulfill_msg, cs_updates.update_fulfill_htlcs[0]);
+ }
+ nodes[1].node.handle_update_fulfill_htlc(&nodes[2].node.get_our_node_id(), &fulfill_msg);
+ check_added_monitors!(nodes[1], 1);
+
+ let mut bs_updates = None;
+ if htlc_status != HTLCStatusAtDupClaim::HoldingCell {
+ bs_updates = Some(get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()));
+ assert_eq!(bs_updates.as_ref().unwrap().update_fulfill_htlcs.len(), 1);
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.as_ref().unwrap().update_fulfill_htlcs[0]);
+ expect_payment_sent!(nodes[0], payment_preimage);
+ if htlc_status == HTLCStatusAtDupClaim::Cleared {
+ commitment_signed_dance!(nodes[0], nodes[1], &bs_updates.as_ref().unwrap().commitment_signed, false);
+ }
+ } else {
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ }
+
+ nodes[1].node.peer_disconnected(&nodes[2].node.get_our_node_id(), false);
+ nodes[2].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+
+ if second_fails {
+ reconnect_nodes(&nodes[1], &nodes[2], (false, false), (0, 0), (0, 0), (1, 0), (0, 0), (0, 0), (false, false));
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ } else {
+ reconnect_nodes(&nodes[1], &nodes[2], (false, false), (0, 0), (1, 0), (0, 0), (0, 0), (0, 0), (false, false));
+ }
+
+ if htlc_status == HTLCStatusAtDupClaim::HoldingCell {
+ nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &as_raa.unwrap());
+ check_added_monitors!(nodes[1], 1);
+ expect_pending_htlcs_forwardable_ignore!(nodes[1]); // We finally receive the second payment, but don't claim it
+
+ bs_updates = Some(get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id()));
+ assert_eq!(bs_updates.as_ref().unwrap().update_fulfill_htlcs.len(), 1);
+ nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &bs_updates.as_ref().unwrap().update_fulfill_htlcs[0]);
+ expect_payment_sent!(nodes[0], payment_preimage);
+ }
+ if htlc_status != HTLCStatusAtDupClaim::Cleared {
+ commitment_signed_dance!(nodes[0], nodes[1], &bs_updates.as_ref().unwrap().commitment_signed, false);
+ }
+}
+
+#[test]
+fn test_reconnect_dup_htlc_claims() {
+ do_test_reconnect_dup_htlc_claims(HTLCStatusAtDupClaim::Received, false);
+ do_test_reconnect_dup_htlc_claims(HTLCStatusAtDupClaim::HoldingCell, false);
+ do_test_reconnect_dup_htlc_claims(HTLCStatusAtDupClaim::Cleared, false);
+ do_test_reconnect_dup_htlc_claims(HTLCStatusAtDupClaim::Received, true);
+ do_test_reconnect_dup_htlc_claims(HTLCStatusAtDupClaim::HoldingCell, true);
+ do_test_reconnect_dup_htlc_claims(HTLCStatusAtDupClaim::Cleared, true);
+}
projects / rust-lightning / blobdiff