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622 lines
31 KiB
Rust
622 lines
31 KiB
Rust
// This file is Copyright its original authors, visible in version control
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// history.
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//
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// This file is licensed under the Apache License, Version 2.0 <LICENSE-APACHE
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// or http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your option.
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// You may not use this file except in accordance with one or both of these
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// licenses.
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//! Further functional tests which test blockchain reorganizations.
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use crate::chain::channelmonitor::ANTI_REORG_DELAY;
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use crate::chain::transaction::OutPoint;
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use crate::chain::Confirm;
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use crate::events::{Event, MessageSendEventsProvider, ClosureReason, HTLCDestination};
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use crate::ln::channelmanager::ChannelManager;
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use crate::ln::msgs::{ChannelMessageHandler, Init};
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use crate::util::test_utils;
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use crate::util::ser::Writeable;
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use crate::util::string::UntrustedString;
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use bitcoin::blockdata::block::{Block, BlockHeader};
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use bitcoin::blockdata::script::Builder;
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use bitcoin::blockdata::opcodes;
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use bitcoin::secp256k1::Secp256k1;
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use crate::prelude::*;
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use bitcoin::hashes::Hash;
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use bitcoin::TxMerkleNode;
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use crate::ln::functional_test_utils::*;
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fn do_test_onchain_htlc_reorg(local_commitment: bool, claim: bool) {
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// Our on-chain HTLC-claim learning has a few properties worth testing:
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// * If an upstream HTLC is claimed with a preimage (both against our own commitment
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// transaction our counterparty's), we claim it backwards immediately.
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// * If an upstream HTLC is claimed with a timeout, we delay ANTI_REORG_DELAY before failing
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// it backwards to ensure our counterparty can't claim with a preimage in a reorg.
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//
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// Here we test both properties in any combination based on the two bools passed in as
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// arguments.
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//
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// If local_commitment is set, we first broadcast a local commitment containing an offered HTLC
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// and an HTLC-Timeout tx, otherwise we broadcast a remote commitment containing a received
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// HTLC and a local HTLC-Timeout tx spending it.
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//
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// We then either allow these transactions to confirm (if !claim) or we wait until one block
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// before they otherwise would and reorg them out, confirming an HTLC-Success tx instead.
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let chanmon_cfgs = create_chanmon_cfgs(3);
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let node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
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let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
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let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
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create_announced_chan_between_nodes(&nodes, 0, 1);
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let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2);
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// Make sure all nodes are at the same starting height
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connect_blocks(&nodes[0], 2*CHAN_CONFIRM_DEPTH + 1 - nodes[0].best_block_info().1);
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connect_blocks(&nodes[1], 2*CHAN_CONFIRM_DEPTH + 1 - nodes[1].best_block_info().1);
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connect_blocks(&nodes[2], 2*CHAN_CONFIRM_DEPTH + 1 - nodes[2].best_block_info().1);
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let (our_payment_preimage, our_payment_hash, _) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1_000_000);
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// Provide preimage to node 2 by claiming payment
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nodes[2].node.claim_funds(our_payment_preimage);
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expect_payment_claimed!(nodes[2], our_payment_hash, 1_000_000);
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check_added_monitors!(nodes[2], 1);
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get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
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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 };
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let claim_txn = if local_commitment {
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// Broadcast node 1 commitment txn to broadcast the HTLC-Timeout
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let node_1_commitment_txn = get_local_commitment_txn!(nodes[1], chan_2.2);
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assert_eq!(node_1_commitment_txn.len(), 2); // 1 local commitment tx, 1 Outbound HTLC-Timeout
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assert_eq!(node_1_commitment_txn[0].output.len(), 2); // to-self and Offered HTLC (to-remote/to-node-3 is dust)
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check_spends!(node_1_commitment_txn[0], chan_2.3);
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check_spends!(node_1_commitment_txn[1], node_1_commitment_txn[0]);
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// Give node 2 node 1's transactions and get its response (claiming the HTLC instead).
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connect_block(&nodes[2], &Block { header, txdata: node_1_commitment_txn.clone() });
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check_added_monitors!(nodes[2], 1);
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check_closed_broadcast!(nodes[2], true); // We should get a BroadcastChannelUpdate (and *only* a BroadcstChannelUpdate)
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check_closed_event!(nodes[2], 1, ClosureReason::CommitmentTxConfirmed);
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let node_2_commitment_txn = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0);
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assert_eq!(node_2_commitment_txn.len(), 1); // ChannelMonitor: 1 offered HTLC-Claim
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check_spends!(node_2_commitment_txn[0], node_1_commitment_txn[0]);
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// Make sure node 1's height is the same as the !local_commitment case
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connect_blocks(&nodes[1], 1);
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// Confirm node 1's commitment txn (and HTLC-Timeout) on node 1
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header.prev_blockhash = nodes[1].best_block_hash();
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connect_block(&nodes[1], &Block { header, txdata: node_1_commitment_txn.clone() });
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// ...but return node 1's commitment tx in case claim is set and we're preparing to reorg
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vec![node_1_commitment_txn[0].clone(), node_2_commitment_txn[0].clone()]
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} else {
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// Broadcast node 2 commitment txn
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let mut node_2_commitment_txn = get_local_commitment_txn!(nodes[2], chan_2.2);
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assert_eq!(node_2_commitment_txn.len(), 2); // 1 local commitment tx, 1 Received HTLC-Claim
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assert_eq!(node_2_commitment_txn[0].output.len(), 2); // to-remote and Received HTLC (to-self is dust)
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check_spends!(node_2_commitment_txn[0], chan_2.3);
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check_spends!(node_2_commitment_txn[1], node_2_commitment_txn[0]);
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// Give node 1 node 2's commitment transaction and get its response (timing the HTLC out)
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mine_transaction(&nodes[1], &node_2_commitment_txn[0]);
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connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
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let node_1_commitment_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone();
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assert_eq!(node_1_commitment_txn.len(), 1); // ChannelMonitor: 1 offered HTLC-Timeout
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check_spends!(node_1_commitment_txn[0], node_2_commitment_txn[0]);
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// Confirm node 1's HTLC-Timeout on node 1
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mine_transaction(&nodes[1], &node_1_commitment_txn[0]);
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// ...but return node 2's commitment tx (and claim) in case claim is set and we're preparing to reorg
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vec![node_2_commitment_txn.pop().unwrap()]
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};
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check_added_monitors!(nodes[1], 1);
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check_closed_broadcast!(nodes[1], true); // We should get a BroadcastChannelUpdate (and *only* a BroadcstChannelUpdate)
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check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed);
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// Connect ANTI_REORG_DELAY - 2 blocks, giving us a confirmation count of ANTI_REORG_DELAY - 1.
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connect_blocks(&nodes[1], ANTI_REORG_DELAY - 2);
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check_added_monitors!(nodes[1], 0);
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assert_eq!(nodes[1].node.get_and_clear_pending_events().len(), 0);
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if claim {
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// Disconnect Node 1's HTLC-Timeout which was connected above
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disconnect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
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let block = Block {
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header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 },
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txdata: claim_txn,
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};
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connect_block(&nodes[1], &block);
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// ChannelManager only polls chain::Watch::release_pending_monitor_events when we
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// probe it for events, so we probe non-message events here (which should just be the
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// PaymentForwarded event).
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expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(1000), true, true);
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} else {
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// Confirm the timeout tx and check that we fail the HTLC backwards
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let block = Block {
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header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 },
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txdata: vec![],
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};
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connect_block(&nodes[1], &block);
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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 }]);
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}
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check_added_monitors!(nodes[1], 1);
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// Which should result in an immediate claim/fail of the HTLC:
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let htlc_updates = get_htlc_update_msgs!(nodes[1], nodes[0].node.get_our_node_id());
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if claim {
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assert_eq!(htlc_updates.update_fulfill_htlcs.len(), 1);
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nodes[0].node.handle_update_fulfill_htlc(&nodes[1].node.get_our_node_id(), &htlc_updates.update_fulfill_htlcs[0]);
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} else {
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assert_eq!(htlc_updates.update_fail_htlcs.len(), 1);
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nodes[0].node.handle_update_fail_htlc(&nodes[1].node.get_our_node_id(), &htlc_updates.update_fail_htlcs[0]);
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}
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commitment_signed_dance!(nodes[0], nodes[1], htlc_updates.commitment_signed, false, true);
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if claim {
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expect_payment_sent!(nodes[0], our_payment_preimage);
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} else {
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expect_payment_failed_with_update!(nodes[0], our_payment_hash, false, chan_2.0.contents.short_channel_id, true);
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}
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}
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#[test]
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fn test_onchain_htlc_claim_reorg_local_commitment() {
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do_test_onchain_htlc_reorg(true, true);
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}
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#[test]
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fn test_onchain_htlc_timeout_delay_local_commitment() {
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do_test_onchain_htlc_reorg(true, false);
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}
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#[test]
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fn test_onchain_htlc_claim_reorg_remote_commitment() {
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do_test_onchain_htlc_reorg(false, true);
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}
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#[test]
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fn test_onchain_htlc_timeout_delay_remote_commitment() {
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do_test_onchain_htlc_reorg(false, false);
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}
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#[test]
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fn test_counterparty_revoked_reorg() {
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// Test what happens when a revoked counterparty transaction is broadcast but then reorg'd out
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// of the main chain. Specifically, HTLCs in the latest commitment transaction which are not
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// included in the revoked commitment transaction should not be considered failed, and should
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// still be claim-from-able after the reorg.
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let chanmon_cfgs = create_chanmon_cfgs(2);
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let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
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let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
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let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
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let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 500_000_000);
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// Get the initial commitment transaction for broadcast, before any HTLCs are added at all.
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let revoked_local_txn = get_local_commitment_txn!(nodes[0], chan.2);
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assert_eq!(revoked_local_txn.len(), 1);
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// Now add two HTLCs in each direction, one dust and one not.
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route_payment(&nodes[0], &[&nodes[1]], 5_000_000);
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route_payment(&nodes[0], &[&nodes[1]], 5_000);
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let (payment_preimage_3, payment_hash_3, ..) = route_payment(&nodes[1], &[&nodes[0]], 4_000_000);
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let payment_hash_4 = route_payment(&nodes[1], &[&nodes[0]], 4_000).1;
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nodes[0].node.claim_funds(payment_preimage_3);
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let _ = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
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check_added_monitors!(nodes[0], 1);
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expect_payment_claimed!(nodes[0], payment_hash_3, 4_000_000);
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let mut unrevoked_local_txn = get_local_commitment_txn!(nodes[0], chan.2);
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assert_eq!(unrevoked_local_txn.len(), 3); // commitment + 2 HTLC txn
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// Sort the unrevoked transactions in reverse order, ie commitment tx, then HTLC 1 then HTLC 3
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unrevoked_local_txn.sort_unstable_by_key(|tx| 1_000_000 - tx.output.iter().map(|outp| outp.value).sum::<u64>());
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// Now mine A's old commitment transaction, which should close the channel, but take no action
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// on any of the HTLCs, at least until we get six confirmations (which we won't get).
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mine_transaction(&nodes[1], &revoked_local_txn[0]);
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check_added_monitors!(nodes[1], 1);
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check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed);
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check_closed_broadcast!(nodes[1], true);
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// Connect up to one block before the revoked transaction would be considered final, then do a
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// reorg that disconnects the full chain and goes up to the height at which the revoked
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// transaction would be final.
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let theoretical_conf_height = nodes[1].best_block_info().1 + ANTI_REORG_DELAY - 1;
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connect_blocks(&nodes[1], ANTI_REORG_DELAY - 2);
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assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
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assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
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disconnect_all_blocks(&nodes[1]);
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assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
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assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
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connect_blocks(&nodes[1], theoretical_conf_height);
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assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
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assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
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// Now connect A's latest commitment transaction instead and resolve the HTLCs
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mine_transaction(&nodes[1], &unrevoked_local_txn[0]);
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assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
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assert!(nodes[1].node.get_and_clear_pending_events().is_empty());
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// Connect the HTLC claim transaction for HTLC 3
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mine_transaction(&nodes[1], &unrevoked_local_txn[2]);
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expect_payment_sent!(nodes[1], payment_preimage_3);
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assert!(nodes[1].node.get_and_clear_pending_msg_events().is_empty());
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// Connect blocks to confirm the unrevoked commitment transaction
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connect_blocks(&nodes[1], ANTI_REORG_DELAY - 2);
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expect_payment_failed!(nodes[1], payment_hash_4, false);
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}
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fn do_test_unconf_chan(reload_node: bool, reorg_after_reload: bool, use_funding_unconfirmed: bool, connect_style: ConnectStyle) {
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// After creating a chan between nodes, we disconnect all blocks previously seen to force a
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// channel close on nodes[0] side. We also use this to provide very basic testing of logic
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// around freeing background events which store monitor updates during block_[dis]connected.
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let chanmon_cfgs = create_chanmon_cfgs(2);
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let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
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let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
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let persister: test_utils::TestPersister;
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let new_chain_monitor: test_utils::TestChainMonitor;
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let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestKeysInterface, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestRouter, &test_utils::TestLogger>;
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let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
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*nodes[0].connect_style.borrow_mut() = connect_style;
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let chan_conf_height = core::cmp::max(nodes[0].best_block_info().1 + 1, nodes[1].best_block_info().1 + 1);
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let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
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{
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let per_peer_state = nodes[0].node.per_peer_state.read().unwrap();
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let peer_state = per_peer_state.get(&nodes[1].node.get_our_node_id()).unwrap().lock().unwrap();
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assert_eq!(peer_state.channel_by_id.len(), 1);
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assert_eq!(nodes[0].node.short_to_chan_info.read().unwrap().len(), 2);
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}
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assert_eq!(nodes[0].node.list_channels()[0].confirmations, Some(10));
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assert_eq!(nodes[1].node.list_channels()[0].confirmations, Some(10));
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if !reorg_after_reload {
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if use_funding_unconfirmed {
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let relevant_txids = nodes[0].node.get_relevant_txids();
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assert_eq!(relevant_txids.len(), 1);
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let block_hash_opt = relevant_txids[0].1;
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let expected_hash = nodes[0].get_block_header(chan_conf_height).block_hash();
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assert_eq!(block_hash_opt, Some(expected_hash));
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let txid = relevant_txids[0].0;
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assert_eq!(txid, chan.3.txid());
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nodes[0].node.transaction_unconfirmed(&txid);
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assert_eq!(nodes[0].node.list_usable_channels().len(), 0);
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} else if connect_style == ConnectStyle::FullBlockViaListen {
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disconnect_blocks(&nodes[0], CHAN_CONFIRM_DEPTH - 1);
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assert_eq!(nodes[0].node.list_usable_channels().len(), 1);
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assert_eq!(nodes[0].node.list_channels()[0].confirmations, Some(1));
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disconnect_blocks(&nodes[0], 1);
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assert_eq!(nodes[0].node.list_usable_channels().len(), 0);
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} else {
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disconnect_all_blocks(&nodes[0]);
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assert_eq!(nodes[0].node.list_usable_channels().len(), 0);
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}
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let relevant_txids = nodes[0].node.get_relevant_txids();
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assert_eq!(relevant_txids.len(), 0);
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handle_announce_close_broadcast_events(&nodes, 0, 1, true, "Channel closed because of an exception: Funding transaction was un-confirmed. Locked at 6 confs, now have 0 confs.");
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check_added_monitors!(nodes[1], 1);
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{
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let per_peer_state = nodes[0].node.per_peer_state.read().unwrap();
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let peer_state = per_peer_state.get(&nodes[1].node.get_our_node_id()).unwrap().lock().unwrap();
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assert_eq!(peer_state.channel_by_id.len(), 0);
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assert_eq!(nodes[0].node.short_to_chan_info.read().unwrap().len(), 0);
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}
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}
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if reload_node {
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// Since we currently have a background event pending, it's good to test that we survive a
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// serialization roundtrip. Further, this tests the somewhat awkward edge-case of dropping
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// the Channel object from the ChannelManager, but still having a monitor event pending for
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// it when we go to deserialize, and then use the ChannelManager.
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let nodes_0_serialized = nodes[0].node.encode();
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let chan_0_monitor_serialized = get_monitor!(nodes[0], chan.2).encode();
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reload_node!(nodes[0], *nodes[0].node.get_current_default_configuration(), &nodes_0_serialized, &[&chan_0_monitor_serialized], persister, new_chain_monitor, nodes_0_deserialized);
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assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
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}
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if reorg_after_reload {
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if use_funding_unconfirmed {
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let relevant_txids = nodes[0].node.get_relevant_txids();
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assert_eq!(relevant_txids.len(), 1);
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let block_hash_opt = relevant_txids[0].1;
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let expected_hash = nodes[0].get_block_header(chan_conf_height).block_hash();
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assert_eq!(block_hash_opt, Some(expected_hash));
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let txid = relevant_txids[0].0;
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assert_eq!(txid, chan.3.txid());
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nodes[0].node.transaction_unconfirmed(&txid);
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assert_eq!(nodes[0].node.list_channels().len(), 0);
|
|
} else if connect_style == ConnectStyle::FullBlockViaListen {
|
|
disconnect_blocks(&nodes[0], CHAN_CONFIRM_DEPTH - 1);
|
|
assert_eq!(nodes[0].node.list_channels().len(), 1);
|
|
assert_eq!(nodes[0].node.list_channels()[0].confirmations, Some(1));
|
|
disconnect_blocks(&nodes[0], 1);
|
|
assert_eq!(nodes[0].node.list_usable_channels().len(), 0);
|
|
} else {
|
|
disconnect_all_blocks(&nodes[0]);
|
|
assert_eq!(nodes[0].node.list_usable_channels().len(), 0);
|
|
}
|
|
|
|
let relevant_txids = nodes[0].node.get_relevant_txids();
|
|
assert_eq!(relevant_txids.len(), 0);
|
|
|
|
handle_announce_close_broadcast_events(&nodes, 0, 1, true, "Channel closed because of an exception: Funding transaction was un-confirmed. Locked at 6 confs, now have 0 confs.");
|
|
check_added_monitors!(nodes[1], 1);
|
|
{
|
|
let per_peer_state = nodes[0].node.per_peer_state.read().unwrap();
|
|
let peer_state = per_peer_state.get(&nodes[1].node.get_our_node_id()).unwrap().lock().unwrap();
|
|
assert_eq!(peer_state.channel_by_id.len(), 0);
|
|
assert_eq!(nodes[0].node.short_to_chan_info.read().unwrap().len(), 0);
|
|
}
|
|
}
|
|
// With expect_channel_force_closed set the TestChainMonitor will enforce that the next update
|
|
// is a ChannelForcClosed on the right channel with should_broadcast set.
|
|
*nodes[0].chain_monitor.expect_channel_force_closed.lock().unwrap() = Some((chan.2, true));
|
|
nodes[0].node.test_process_background_events(); // Required to free the pending background monitor update
|
|
check_added_monitors!(nodes[0], 1);
|
|
let expected_err = "Funding transaction was un-confirmed. Locked at 6 confs, now have 0 confs.";
|
|
check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyForceClosed { peer_msg: UntrustedString(format!("Channel closed because of an exception: {}", expected_err)) });
|
|
check_closed_event!(nodes[0], 1, ClosureReason::ProcessingError { err: expected_err.to_owned() });
|
|
assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
|
|
nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
|
|
|
|
// Now check that we can create a new channel
|
|
if reload_node && nodes[0].node.per_peer_state.read().unwrap().len() == 0 {
|
|
// If we dropped the channel before reloading the node, nodes[1] was also dropped from
|
|
// nodes[0] storage, and hence not connected again on startup. We therefore need to
|
|
// reconnect to the node before attempting to create a new channel.
|
|
nodes[0].node.peer_connected(&nodes[1].node.get_our_node_id(), &Init { features: nodes[1].node.init_features(), remote_network_address: None }, true).unwrap();
|
|
}
|
|
create_announced_chan_between_nodes(&nodes, 0, 1);
|
|
send_payment(&nodes[0], &[&nodes[1]], 8000000);
|
|
}
|
|
|
|
#[test]
|
|
fn test_unconf_chan() {
|
|
do_test_unconf_chan(true, true, false, ConnectStyle::BestBlockFirstSkippingBlocks);
|
|
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]
|
|
fn test_unconf_chan_via_listen() {
|
|
do_test_unconf_chan(true, true, false, ConnectStyle::FullBlockViaListen);
|
|
do_test_unconf_chan(false, true, false, ConnectStyle::FullBlockViaListen);
|
|
do_test_unconf_chan(true, false, false, ConnectStyle::FullBlockViaListen);
|
|
do_test_unconf_chan(false, false, false, ConnectStyle::FullBlockViaListen);
|
|
}
|
|
|
|
#[test]
|
|
fn test_unconf_chan_via_funding_unconfirmed() {
|
|
do_test_unconf_chan(true, true, true, ConnectStyle::BestBlockFirstSkippingBlocks);
|
|
do_test_unconf_chan(false, true, true, ConnectStyle::BestBlockFirstSkippingBlocks);
|
|
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);
|
|
do_test_unconf_chan(false, false, true, ConnectStyle::FullBlockViaListen);
|
|
}
|
|
|
|
#[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);
|
|
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);
|
|
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
|
|
// 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_msg_events();
|
|
|
|
// Connect blocks on node A commitment transaction
|
|
mine_transaction(&nodes[0], &remote_txn[0]);
|
|
check_closed_broadcast!(nodes[0], true);
|
|
check_closed_event!(nodes[0], 1, ClosureReason::CommitmentTxConfirmed);
|
|
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
|
|
assert_eq!(node_txn.len(), 1);
|
|
check_spends!(node_txn[0], remote_txn[0]);
|
|
assert_eq!(node_txn[0].input.len(), 2);
|
|
node_txn.clear();
|
|
}
|
|
|
|
// Connect blocks on node B
|
|
connect_blocks(&nodes[1], 135);
|
|
check_closed_broadcast!(nodes[1], true);
|
|
check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed);
|
|
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
|
|
mine_transaction(&nodes[0], &partial_claim_tx);
|
|
{
|
|
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_blocks(&nodes[0], 1);
|
|
{
|
|
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_blocks(&nodes[0], 1);
|
|
connect_blocks(&nodes[0], 15);
|
|
{
|
|
let mut node_txn = nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap();
|
|
assert_eq!(node_txn.len(), 0);
|
|
node_txn.clear();
|
|
}
|
|
}
|
|
|
|
fn do_test_to_remote_after_local_detection(style: ConnectStyle) {
|
|
// In previous code, detection of to_remote outputs in a counterparty commitment transaction
|
|
// was dependent on whether a local commitment transaction had been seen on-chain previously.
|
|
// This resulted in some edge cases around not being able to generate a SpendableOutput event
|
|
// after a reorg.
|
|
//
|
|
// Here, we test this by first confirming one set of commitment transactions, then
|
|
// disconnecting them and reconnecting another. We then confirm them and check that the correct
|
|
// SpendableOutput event is generated.
|
|
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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
|
|
|
|
*nodes[0].connect_style.borrow_mut() = style;
|
|
*nodes[1].connect_style.borrow_mut() = style;
|
|
|
|
let (_, _, chan_id, funding_tx) =
|
|
create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 100_000_000);
|
|
let funding_outpoint = OutPoint { txid: funding_tx.txid(), index: 0 };
|
|
assert_eq!(funding_outpoint.to_channel_id(), chan_id);
|
|
|
|
let remote_txn_a = get_local_commitment_txn!(nodes[0], chan_id);
|
|
let remote_txn_b = get_local_commitment_txn!(nodes[1], chan_id);
|
|
|
|
mine_transaction(&nodes[0], &remote_txn_a[0]);
|
|
mine_transaction(&nodes[1], &remote_txn_a[0]);
|
|
|
|
assert!(nodes[0].node.list_channels().is_empty());
|
|
check_closed_broadcast!(nodes[0], true);
|
|
check_added_monitors!(nodes[0], 1);
|
|
check_closed_event!(nodes[0], 1, ClosureReason::CommitmentTxConfirmed);
|
|
assert!(nodes[1].node.list_channels().is_empty());
|
|
check_closed_broadcast!(nodes[1], true);
|
|
check_added_monitors!(nodes[1], 1);
|
|
check_closed_event!(nodes[1], 1, ClosureReason::CommitmentTxConfirmed);
|
|
|
|
assert!(nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
assert!(nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
|
|
disconnect_blocks(&nodes[0], 1);
|
|
disconnect_blocks(&nodes[1], 1);
|
|
|
|
assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
|
|
assert!(nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
|
|
assert!(nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
assert!(nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
|
|
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
|
|
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
|
|
|
|
assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
|
|
assert!(nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
|
|
assert!(nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
assert!(nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
|
|
mine_transaction(&nodes[0], &remote_txn_b[0]);
|
|
mine_transaction(&nodes[1], &remote_txn_b[0]);
|
|
|
|
assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
|
|
assert!(nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
|
|
assert!(nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
assert!(nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
|
|
connect_blocks(&nodes[0], ANTI_REORG_DELAY - 1);
|
|
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
|
|
|
|
let mut node_a_spendable = nodes[0].chain_monitor.chain_monitor.get_and_clear_pending_events();
|
|
assert_eq!(node_a_spendable.len(), 1);
|
|
if let Event::SpendableOutputs { outputs } = node_a_spendable.pop().unwrap() {
|
|
assert_eq!(outputs.len(), 1);
|
|
let spend_tx = nodes[0].keys_manager.backing.spend_spendable_outputs(&[&outputs[0]], Vec::new(),
|
|
Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(), 253, &Secp256k1::new()).unwrap();
|
|
check_spends!(spend_tx, remote_txn_b[0]);
|
|
}
|
|
|
|
// nodes[1] is waiting for the to_self_delay to expire, which is many more than
|
|
// ANTI_REORG_DELAY. Instead, walk it back and confirm the original remote_txn_a commitment
|
|
// again and check that nodes[1] generates a similar spendable output.
|
|
// Technically a reorg of ANTI_REORG_DELAY violates our assumptions, so this is undefined by
|
|
// our API spec, but we currently handle this correctly and there's little reason we shouldn't
|
|
// in the future.
|
|
assert!(nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events().is_empty());
|
|
disconnect_blocks(&nodes[1], ANTI_REORG_DELAY);
|
|
mine_transaction(&nodes[1], &remote_txn_a[0]);
|
|
connect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
|
|
|
|
let mut node_b_spendable = nodes[1].chain_monitor.chain_monitor.get_and_clear_pending_events();
|
|
assert_eq!(node_b_spendable.len(), 1);
|
|
if let Event::SpendableOutputs { outputs } = node_b_spendable.pop().unwrap() {
|
|
assert_eq!(outputs.len(), 1);
|
|
let spend_tx = nodes[1].keys_manager.backing.spend_spendable_outputs(&[&outputs[0]], Vec::new(),
|
|
Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(), 253, &Secp256k1::new()).unwrap();
|
|
check_spends!(spend_tx, remote_txn_a[0]);
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
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);
|
|
}
|