use ln::features::InitFeatures;
use ln::msgs::ChannelMessageHandler;
use util::enforcing_trait_impls::EnforcingSigner;
-use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason};
+use util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason, HTLCDestination};
use util::test_utils;
use util::ser::{ReadableArgs, Writeable};
use prelude::*;
use core::mem;
+use bitcoin::hashes::Hash;
+use bitcoin::TxMerkleNode;
use ln::functional_test_utils::*;
connect_blocks(&nodes[1], 2*CHAN_CONFIRM_DEPTH + 1 - nodes[1].best_block_info().1);
connect_blocks(&nodes[2], 2*CHAN_CONFIRM_DEPTH + 1 - nodes[2].best_block_info().1);
- let (our_payment_preimage, our_payment_hash, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
+ let (our_payment_preimage, our_payment_hash, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1_000_000);
// Provide preimage to node 2 by claiming payment
nodes[2].node.claim_funds(our_payment_preimage);
+ expect_payment_claimed!(nodes[2], our_payment_hash, 1_000_000);
check_added_monitors!(nodes[2], 1);
get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
- let mut header = BlockHeader { version: 0x2000_0000, prev_blockhash: nodes[2].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 };
+ let mut header = BlockHeader { version: 0x2000_0000, prev_blockhash: nodes[2].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 };
let claim_txn = if local_commitment {
// Broadcast node 1 commitment txn to broadcast the HTLC-Timeout
let node_1_commitment_txn = get_local_commitment_txn!(nodes[1], chan_2.2);
check_added_monitors!(nodes[2], 1);
check_closed_broadcast!(nodes[2], true); // We should get a BroadcastChannelUpdate (and *only* a BroadcstChannelUpdate)
check_closed_event!(nodes[2], 1, ClosureReason::CommitmentTxConfirmed);
- let node_2_commitment_txn = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap();
+ let node_2_commitment_txn = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
assert_eq!(node_2_commitment_txn.len(), 3); // ChannelMonitor: 1 offered HTLC-Claim, ChannelManger: 1 local commitment tx, 1 Received HTLC-Claim
assert_eq!(node_2_commitment_txn[1].output.len(), 2); // to-remote and Received HTLC (to-self is dust)
check_spends!(node_2_commitment_txn[1], chan_2.3);
assert_eq!(nodes[1].node.get_and_clear_pending_events().len(), 0);
if claim {
- disconnect_blocks(&nodes[1], ANTI_REORG_DELAY - 2);
+ // Disconnect Node 1's HTLC-Timeout which was connected above
+ disconnect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
let block = Block {
- header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
+ header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 },
txdata: claim_txn,
};
connect_block(&nodes[1], &block);
// ChannelManager only polls chain::Watch::release_pending_monitor_events when we
// probe it for events, so we probe non-message events here (which should just be the
// PaymentForwarded event).
- expect_payment_forwarded!(nodes[1], nodes[0], Some(1000), true);
+ expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(1000), true, true);
} else {
// Confirm the timeout tx and check that we fail the HTLC backwards
let block = Block {
- header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), time: 42, bits: 42, nonce: 42 },
+ header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 },
txdata: vec![],
};
connect_block(&nodes[1], &block);
- expect_pending_htlcs_forwardable!(nodes[1]);
+ expect_pending_htlcs_forwardable_and_htlc_handling_failed!(nodes[1], vec![HTLCDestination::NextHopChannel { node_id: Some(nodes[2].node.get_our_node_id()), channel_id: chan_2.2 }]);
}
check_added_monitors!(nodes[1], 1);
do_test_onchain_htlc_reorg(false, false);
}
+#[test]
+fn test_counterparty_revoked_reorg() {
+ // Test what happens when a revoked counterparty transaction is broadcast but then reorg'd out
+ // of the main chain. Specifically, HTLCs in the latest commitment transaction which are not
+ // included in the revoked commitment transaction should not be considered failed, and should
+ // still be claim-from-able after the reorg.
+ 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, 1_000_000, 500_000_000, InitFeatures::known(), InitFeatures::known());
+
+ // Get the initial commitment transaction for broadcast, before any HTLCs are added at all.
+ let revoked_local_txn = get_local_commitment_txn!(nodes[0], chan.2);
+ assert_eq!(revoked_local_txn.len(), 1);
+
+ // Now add two HTLCs in each direction, one dust and one not.
+ route_payment(&nodes[0], &[&nodes[1]], 5_000_000);
+ route_payment(&nodes[0], &[&nodes[1]], 5_000);
+ let (payment_preimage_3, payment_hash_3, ..) = route_payment(&nodes[1], &[&nodes[0]], 4_000_000);
+ let payment_hash_4 = route_payment(&nodes[1], &[&nodes[0]], 4_000).1;
+
+ nodes[0].node.claim_funds(payment_preimage_3);
+ let _ = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+ check_added_monitors!(nodes[0], 1);
+ expect_payment_claimed!(nodes[0], payment_hash_3, 4_000_000);
+
+ let mut unrevoked_local_txn = get_local_commitment_txn!(nodes[0], chan.2);
+ assert_eq!(unrevoked_local_txn.len(), 3); // commitment + 2 HTLC txn
+ // Sort the unrevoked transactions in reverse order, ie commitment tx, then HTLC 1 then HTLC 3
+ unrevoked_local_txn.sort_unstable_by_key(|tx| 1_000_000 - tx.output.iter().map(|outp| outp.value).sum::<u64>());
+
+ // Now mine A's old commitment transaction, which should close the channel, but take no action
+ // on any of the HTLCs, at least until we get six confirmations (which we won't get).
+ mine_transaction(&nodes[1], &revoked_local_txn[0]);
+ check_added_monitors!(nodes[1], 1);
+ check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed);
+ check_closed_broadcast!(nodes[1], true);
+
+ // Connect up to one block before the revoked transaction would be considered final, then do a
+ // reorg that disconnects the full chain and goes up to the height at which the revoked
+ // transaction would be final.
+ let theoretical_conf_height = nodes[1].best_block_info().1 + ANTI_REORG_DELAY - 1;
+ connect_blocks(&nodes[1], ANTI_REORG_DELAY - 2);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ disconnect_all_blocks(&nodes[1]);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ connect_blocks(&nodes[1], theoretical_conf_height);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ // Now connect A's latest commitment transaction instead and resolve the HTLCs
+ mine_transaction(&nodes[1], &unrevoked_local_txn[0]);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+ assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
+
+ // Connect the HTLC claim transaction for HTLC 3
+ mine_transaction(&nodes[1], &unrevoked_local_txn[2]);
+ expect_payment_sent!(nodes[1], payment_preimage_3);
+ assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
+
+ // Connect blocks to confirm the unrevoked commitment transaction
+ connect_blocks(&nodes[1], ANTI_REORG_DELAY - 2);
+ expect_payment_failed!(nodes[1], payment_hash_4, true);
+}
+
fn do_test_unconf_chan(reload_node: bool, reorg_after_reload: bool, use_funding_unconfirmed: bool, connect_style: ConnectStyle) {
// 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
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(), 2);
+ assert_eq!(channel_state.short_to_chan_info.len(), 2);
mem::drop(channel_state);
if !reorg_after_reload {
{
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);
+ assert_eq!(channel_state.short_to_chan_info.len(), 0);
}
}
{
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);
+ assert_eq!(channel_state.short_to_chan_info.len(), 0);
}
}
// With expect_channel_force_closed set the TestChainMonitor will enforce that the next update
do_test_unconf_chan(false, true, false, ConnectStyle::BestBlockFirstSkippingBlocks);
do_test_unconf_chan(true, false, false, ConnectStyle::BestBlockFirstSkippingBlocks);
do_test_unconf_chan(false, false, false, ConnectStyle::BestBlockFirstSkippingBlocks);
+
+ do_test_unconf_chan(true, true, false, ConnectStyle::BestBlockFirstReorgsOnlyTip);
+ do_test_unconf_chan(false, true, false, ConnectStyle::BestBlockFirstReorgsOnlyTip);
+ do_test_unconf_chan(true, false, false, ConnectStyle::BestBlockFirstReorgsOnlyTip);
+ do_test_unconf_chan(false, false, false, ConnectStyle::BestBlockFirstReorgsOnlyTip);
}
#[test]
do_test_unconf_chan(true, false, true, ConnectStyle::BestBlockFirstSkippingBlocks);
do_test_unconf_chan(false, false, true, ConnectStyle::BestBlockFirstSkippingBlocks);
+ do_test_unconf_chan(true, true, true, ConnectStyle::BestBlockFirstReorgsOnlyTip);
+ do_test_unconf_chan(false, true, true, ConnectStyle::BestBlockFirstReorgsOnlyTip);
+ do_test_unconf_chan(true, false, true, ConnectStyle::BestBlockFirstReorgsOnlyTip);
+ do_test_unconf_chan(false, false, true, ConnectStyle::BestBlockFirstReorgsOnlyTip);
+
do_test_unconf_chan(true, true, true, ConnectStyle::FullBlockViaListen);
do_test_unconf_chan(false, true, true, ConnectStyle::FullBlockViaListen);
do_test_unconf_chan(true, false, true, ConnectStyle::FullBlockViaListen);
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;
+ let (payment_preimage_1, payment_hash_1, _) = route_payment(&nodes[1], &[&nodes[0]], 3_000_000);
+ let (payment_preimage_2, payment_hash_2, _) = route_payment(&nodes[1], &[&nodes[0]], 3_000_000);
// Remote commitment txn with 4 outputs: to_local, to_remote, 2 outgoing HTLC
let remote_txn = get_local_commitment_txn!(nodes[1], chan.2);
// Connect blocks on node A to advance height towards TEST_FINAL_CLTV
// Provide node A with both preimage
nodes[0].node.claim_funds(payment_preimage_1);
+ expect_payment_claimed!(nodes[0], payment_hash_1, 3_000_000);
nodes[0].node.claim_funds(payment_preimage_2);
+ expect_payment_claimed!(nodes[0], payment_hash_2, 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
fn test_to_remote_after_local_detection() {
do_test_to_remote_after_local_detection(ConnectStyle::BestBlockFirst);
do_test_to_remote_after_local_detection(ConnectStyle::BestBlockFirstSkippingBlocks);
+ do_test_to_remote_after_local_detection(ConnectStyle::BestBlockFirstReorgsOnlyTip);
do_test_to_remote_after_local_detection(ConnectStyle::TransactionsFirst);
do_test_to_remote_after_local_detection(ConnectStyle::TransactionsFirstSkippingBlocks);
+ do_test_to_remote_after_local_detection(ConnectStyle::TransactionsFirstReorgsOnlyTip);
do_test_to_remote_after_local_detection(ConnectStyle::FullBlockViaListen);
}
projects / rust-lightning / blobdiff