//! Further functional tests which test blockchain reorganizations.
-use chain::channelmonitor::ANTI_REORG_DELAY;
+use chain::channelmonitor::{ANTI_REORG_DELAY, ChannelMonitor};
+use chain::Watch;
+use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs};
use ln::features::InitFeatures;
use ln::msgs::{ChannelMessageHandler, ErrorAction, HTLCFailChannelUpdate};
+use util::config::UserConfig;
+use util::enforcing_trait_impls::EnforcingSigner;
use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
+use util::test_utils;
+use util::ser::{ReadableArgs, Writeable};
use bitcoin::blockdata::block::{Block, BlockHeader};
+use bitcoin::hash_types::BlockHash;
-use std::default::Default;
+use std::collections::HashMap;
+use std::mem;
use ln::functional_test_utils::*;
fn test_onchain_htlc_timeout_delay_remote_commitment() {
do_test_onchain_htlc_reorg(false, false);
}
+
+fn do_test_unconf_chan(reload_node: bool, reorg_after_reload: bool) {
+ // After creating a chan between nodes, we disconnect all blocks previously seen to force a
+ // channel close on nodes[0] side. We also use this to provide very basic testing of logic
+ // around freeing background events which store monitor updates during block_[dis]connected.
+ 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_0_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 channel_state = nodes[0].node.channel_state.lock().unwrap();
+ assert_eq!(channel_state.by_id.len(), 1);
+ assert_eq!(channel_state.short_to_id.len(), 1);
+ mem::drop(channel_state);
+
+ let mut headers = Vec::new();
+ let mut header = BlockHeader { version: 0x20000000, prev_blockhash: Default::default(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ headers.push(header.clone());
+ for _i in 2..100 {
+ header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ headers.push(header.clone());
+ }
+ if !reorg_after_reload {
+ while !headers.is_empty() {
+ nodes[0].node.block_disconnected(&headers.pop().unwrap());
+ }
+ check_closed_broadcast!(nodes[0], false);
+ {
+ let channel_state = nodes[0].node.channel_state.lock().unwrap();
+ assert_eq!(channel_state.by_id.len(), 0);
+ assert_eq!(channel_state.short_to_id.len(), 0);
+ }
+ }
+
+ if reload_node {
+ // Since we currently have a background event pending, it's good to test that we survive a
+ // serialization roundtrip. Further, this tests the somewhat awkward edge-case of dropping
+ // the Channel object from the ChannelManager, but still having a monitor event pending for
+ // it when we go to deserialize, and then use the ChannelManager.
+ let nodes_0_serialized = nodes[0].node.encode();
+ let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
+ nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
+
+ persister = test_utils::TestPersister::new();
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), nodes[0].logger, node_cfgs[0].fee_estimator, &persister, keys_manager);
+ nodes[0].chain_monitor = &new_chain_monitor;
+ let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
+ let (_, mut chan_0_monitor) = <(Option<BlockHash>, ChannelMonitor<EnforcingSigner>)>::read(
+ &mut chan_0_monitor_read, keys_manager).unwrap();
+ assert!(chan_0_monitor_read.is_empty());
+
+ let mut nodes_0_read = &nodes_0_serialized[..];
+ let config = UserConfig::default();
+ nodes_0_deserialized = {
+ let mut channel_monitors = HashMap::new();
+ channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
+ <(Option<BlockHash>, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster,
+ &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(
+ &mut nodes_0_read, ChannelManagerReadArgs {
+ default_config: config,
+ keys_manager,
+ fee_estimator: node_cfgs[0].fee_estimator,
+ chain_monitor: nodes[0].chain_monitor,
+ tx_broadcaster: nodes[0].tx_broadcaster.clone(),
+ logger: nodes[0].logger,
+ channel_monitors,
+ }).unwrap().1
+ };
+ nodes[0].node = &nodes_0_deserialized;
+ assert!(nodes_0_read.is_empty());
+
+ nodes[0].chain_monitor.watch_channel(chan_0_monitor.get_funding_txo().0.clone(), chan_0_monitor).unwrap();
+ check_added_monitors!(nodes[0], 1);
+ }
+
+ if reorg_after_reload {
+ while !headers.is_empty() {
+ nodes[0].node.block_disconnected(&headers.pop().unwrap());
+ }
+ check_closed_broadcast!(nodes[0], false);
+ {
+ let channel_state = nodes[0].node.channel_state.lock().unwrap();
+ assert_eq!(channel_state.by_id.len(), 0);
+ assert_eq!(channel_state.short_to_id.len(), 0);
+ }
+ }
+
+ *nodes[0].chain_monitor.expect_channel_force_closed.lock().unwrap() = Some((chan_id, true));
+ nodes[0].node.test_process_background_events(); // Required to free the pending background monitor update
+ check_added_monitors!(nodes[0], 1);
+}
+
+#[test]
+fn test_unconf_chan() {
+ do_test_unconf_chan(true, true);
+ do_test_unconf_chan(false, true);
+ do_test_unconf_chan(true, false);
+ do_test_unconf_chan(false, false);
+}
+
+#[test]
+fn test_set_outpoints_partial_claiming() {
+ // - remote party claim tx, new bump tx
+ // - disconnect remote claiming tx, new bump
+ // - disconnect tx, see no tx anymore
+ 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 = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1000000, 59000000, InitFeatures::known(), InitFeatures::known());
+ let payment_preimage_1 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
+ let payment_preimage_2 = route_payment(&nodes[1], &vec!(&nodes[0])[..], 3_000_000).0;
+
+ // Remote commitment txn with 4 outputs: to_local, to_remote, 2 outgoing HTLC
+ let remote_txn = get_local_commitment_txn!(nodes[1], chan.2);
+ assert_eq!(remote_txn.len(), 3);
+ assert_eq!(remote_txn[0].output.len(), 4);
+ assert_eq!(remote_txn[0].input.len(), 1);
+ assert_eq!(remote_txn[0].input[0].previous_output.txid, chan.3.txid());
+ check_spends!(remote_txn[1], remote_txn[0]);
+ check_spends!(remote_txn[2], remote_txn[0]);
+
+ // Connect blocks on node A to advance height towards TEST_FINAL_CLTV
+ let prev_header_100 = connect_blocks(&nodes[1], 100, 0, false, Default::default());
+ // Provide node A with both preimage
+ nodes[0].node.claim_funds(payment_preimage_1, &None, 3_000_000);
+ nodes[0].node.claim_funds(payment_preimage_2, &None, 3_000_000);
+ check_added_monitors!(nodes[0], 2);
+ nodes[0].node.get_and_clear_pending_events();
+ nodes[0].node.get_and_clear_pending_msg_events();
+
+ // Connect blocks on node A commitment transaction
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: prev_header_100, merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ connect_block(&nodes[0], &Block { header, txdata: vec![remote_txn[0].clone()] }, 101);
+ check_closed_broadcast!(nodes[0], false);
+ check_added_monitors!(nodes[0], 1);
+ // Verify node A broadcast tx claiming both HTLCs
+ {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ // ChannelMonitor: claim tx, ChannelManager: local commitment tx + HTLC-Success*2
+ assert_eq!(node_txn.len(), 4);
+ check_spends!(node_txn[0], remote_txn[0]);
+ check_spends!(node_txn[1], chan.3);
+ check_spends!(node_txn[2], node_txn[1]);
+ check_spends!(node_txn[3], node_txn[1]);
+ assert_eq!(node_txn[0].input.len(), 2);
+ node_txn.clear();
+ }
+
+ // Connect blocks on node B
+ connect_blocks(&nodes[1], 135, 0, false, Default::default());
+ check_closed_broadcast!(nodes[1], false);
+ check_added_monitors!(nodes[1], 1);
+ // Verify node B broadcast 2 HTLC-timeout txn
+ let partial_claim_tx = {
+ let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 3);
+ check_spends!(node_txn[1], node_txn[0]);
+ check_spends!(node_txn[2], node_txn[0]);
+ assert_eq!(node_txn[1].input.len(), 1);
+ assert_eq!(node_txn[2].input.len(), 1);
+ node_txn[1].clone()
+ };
+
+ // Broadcast partial claim on node A, should regenerate a claiming tx with HTLC dropped
+ let header = BlockHeader { version: 0x20000000, prev_blockhash: header.block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ connect_block(&nodes[0], &Block { header, txdata: vec![partial_claim_tx.clone()] }, 102);
+ {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+ check_spends!(node_txn[0], remote_txn[0]);
+ assert_eq!(node_txn[0].input.len(), 1); //dropped HTLC
+ node_txn.clear();
+ }
+ nodes[0].node.get_and_clear_pending_msg_events();
+
+ // Disconnect last block on node A, should regenerate a claiming tx with HTLC dropped
+ disconnect_block(&nodes[0], &header, 102);
+ {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 1);
+ check_spends!(node_txn[0], remote_txn[0]);
+ assert_eq!(node_txn[0].input.len(), 2); //resurrected HTLC
+ node_txn.clear();
+ }
+
+ //// Disconnect one more block and then reconnect multiple no transaction should be generated
+ disconnect_block(&nodes[0], &header, 101);
+ connect_blocks(&nodes[1], 15, 101, false, prev_header_100);
+ {
+ let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ assert_eq!(node_txn.len(), 0);
+ node_txn.clear();
+ }
+}
projects / rust-lightning / blobdiff