use chain::{ChannelMonitorUpdateErr, Confirm, Listen, Watch};
use chain::channelmonitor::{ANTI_REORG_DELAY, ChannelMonitor, LATENCY_GRACE_PERIOD_BLOCKS};
use chain::transaction::OutPoint;
-use ln::{PaymentPreimage, PaymentHash};
use ln::channelmanager::{BREAKDOWN_TIMEOUT, ChannelManager, ChannelManagerReadArgs, PaymentId, PaymentSendFailure};
use ln::features::InitFeatures;
use ln::msgs;
-use ln::msgs::{ChannelMessageHandler, ErrorAction};
+use ln::msgs::ChannelMessageHandler;
use util::events::{ClosureReason, Event, MessageSendEvent, MessageSendEventsProvider};
use util::test_utils;
use util::errors::APIError;
use util::ser::{ReadableArgs, Writeable};
use io;
-use bitcoin::hashes::sha256::Hash as Sha256;
-use bitcoin::hashes::Hash;
use bitcoin::{Block, BlockHeader, BlockHash};
use prelude::*;
let mut nodes = create_network(3, &node_cfgs, &node_chanmgrs);
let (_, _, chan_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
- create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
+ let (_, _, chan_id_2, _) = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
// Serialize the ChannelManager prior to sending payments
let nodes_0_serialized = nodes[0].node.encode();
// Finally, retry the payment (which was reloaded from the ChannelMonitor when nodes[0] was
// reloaded) via a route over the new channel, which work without issue and eventually be
// received and claimed at the recipient just like any other payment.
- let (new_route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[2], 1_000_000);
+ let (mut new_route, _, _, _) = get_route_and_payment_hash!(nodes[0], nodes[2], 1_000_000);
+
+ // Update the fee on the middle hop to ensure PaymentSent events have the correct (retried) fee
+ // and not the original fee. We also update node[1]'s relevant config as
+ // do_claim_payment_along_route expects us to never overpay.
+ nodes[1].node.channel_state.lock().unwrap().by_id.get_mut(&chan_id_2).unwrap().config.forwarding_fee_base_msat += 100_000;
+ new_route.paths[0][0].fee_msat += 100_000;
assert!(nodes[0].node.retry_payment(&new_route, payment_id_1).is_err()); // Shouldn't be allowed to retry a fulfilled payment
nodes[0].node.retry_payment(&new_route, payment_id).unwrap();
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);
- claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
+ do_claim_payment_along_route(&nodes[0], &[&[&nodes[1], &nodes[2]]], false, payment_preimage);
+ expect_payment_sent!(nodes[0], payment_preimage, Some(new_route.paths[0][0].fee_msat));
}
#[test]
do_test_dup_htlc_onchain_fails_on_reload(false, true, false);
do_test_dup_htlc_onchain_fails_on_reload(false, false, false);
}
+
+#[test]
+fn test_fulfill_restart_failure() {
+ // When we receive an update_fulfill_htlc message, we immediately consider the HTLC fully
+ // fulfilled. At this point, the peer can reconnect and decide to either fulfill the HTLC
+ // again, or fail it, giving us free money.
+ //
+ // Of course probably they won't fail it and give us free money, but because we have code to
+ // handle it, we should test the logic for it anyway. We do that here.
+ 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 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(2, &node_cfgs, &node_chanmgrs);
+
+ let chan_id = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known()).2;
+ let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &[&nodes[1]], 100_000);
+
+ // The simplest way to get a failure after a fulfill is to reload nodes[1] from a state
+ // pre-fulfill, which we do by serializing it here.
+ let mut chan_manager_serialized = test_utils::TestVecWriter(Vec::new());
+ nodes[1].node.write(&mut chan_manager_serialized).unwrap();
+ let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
+ get_monitor!(nodes[1], chan_id).write(&mut chan_0_monitor_serialized).unwrap();
+
+ nodes[1].node.claim_funds(payment_preimage);
+ check_added_monitors!(nodes[1], 1);
+ let htlc_fulfill_updates = 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(), &htlc_fulfill_updates.update_fulfill_htlcs[0]);
+ expect_payment_sent_without_paths!(nodes[0], payment_preimage);
+
+ // Now reload nodes[1]...
+ 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 (_, nodes_1_deserialized_tmp) = {
+ let mut channel_monitors = HashMap::new();
+ channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
+ <(BlockHash, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>
+ ::read(&mut io::Cursor::new(&chan_manager_serialized.0[..]), ChannelManagerReadArgs {
+ default_config: Default::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].chain_monitor.watch_channel(chan_0_monitor.get_funding_txo().0, chan_0_monitor).is_ok());
+ check_added_monitors!(nodes[1], 1);
+ nodes[1].node = &nodes_1_deserialized;
+
+ nodes[0].node.peer_disconnected(&nodes[1].node.get_our_node_id(), false);
+ reconnect_nodes(&nodes[0], &nodes[1], (false, false), (0, 0), (0, 0), (0, 0), (0, 0), (0, 0), (false, false));
+
+ nodes[1].node.fail_htlc_backwards(&payment_hash);
+ expect_pending_htlcs_forwardable!(nodes[1]);
+ check_added_monitors!(nodes[1], 1);
+ let htlc_fail_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
+ 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, false);
+ // nodes[0] shouldn't generate any events here, while it just got a payment failure completion
+ // it had already considered the payment fulfilled, and now they just got free money.
+ assert!(nodes[0].node.get_and_clear_pending_events().is_empty());
+}
projects / rust-lightning / blobdiff