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f - test coverage for updating maps after async chan close
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@alecchendev
alecchendev committed Nov 26, 2024
1 parent 512dcdd commit 8f49a7d
Showing 1 changed file with 22 additions and 17 deletions.
39 changes: 22 additions & 17 deletions lightning/src/ln/async_signer_tests.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -18,6 +18,7 @@ use bitcoin::transaction::Version;

use crate::chain::channelmonitor::LATENCY_GRACE_PERIOD_BLOCKS;
use crate::chain::ChannelMonitorUpdateStatus;
use crate::chain::transaction::OutPoint;
use crate::events::bump_transaction::WalletSource;
use crate::events::{ClosureReason, Event, MessageSendEvent, MessageSendEventsProvider};
use crate::ln::chan_utils::ClosingTransaction;
Expand Down Expand Up @@ -963,65 +964,65 @@ fn do_test_closing_signed(extra_closing_signed: bool, reconnect: bool) {
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_1 = create_announced_chan_between_nodes(&nodes, 0, 1);
let (_, _, chan_id, funding_tx) = create_announced_chan_between_nodes(&nodes, 0, 1);

// Avoid extra channel ready message upon reestablish later
send_payment(&nodes[0], &vec![&nodes[1]][..], 8_000_000);

expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NotShuttingDown);
expect_channel_shutdown_state!(nodes[0], chan_id, ChannelShutdownState::NotShuttingDown);

nodes[0].node.close_channel(&chan_1.2, &nodes[1].node.get_our_node_id()).unwrap();
nodes[0].node.close_channel(&chan_id, &nodes[1].node.get_our_node_id()).unwrap();

expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NotShuttingDown);
expect_channel_shutdown_state!(nodes[0], chan_id, ChannelShutdownState::ShutdownInitiated);
expect_channel_shutdown_state!(nodes[1], chan_id, ChannelShutdownState::NotShuttingDown);

let node_0_shutdown = get_event_msg!(nodes[0], MessageSendEvent::SendShutdown, nodes[1].node.get_our_node_id());
nodes[1].node.handle_shutdown(nodes[0].node.get_our_node_id(), &node_0_shutdown);

expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::ShutdownInitiated);
expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
expect_channel_shutdown_state!(nodes[0], chan_id, ChannelShutdownState::ShutdownInitiated);
expect_channel_shutdown_state!(nodes[1], chan_id, ChannelShutdownState::NegotiatingClosingFee);

let node_1_shutdown = get_event_msg!(nodes[1], MessageSendEvent::SendShutdown, nodes[0].node.get_our_node_id());
nodes[0].disable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_1.2, SignerOp::SignClosingTransaction);
nodes[0].disable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_id, SignerOp::SignClosingTransaction);
nodes[0].node.handle_shutdown(nodes[1].node.get_our_node_id(), &node_1_shutdown);

expect_channel_shutdown_state!(nodes[0], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
expect_channel_shutdown_state!(nodes[1], chan_1.2, ChannelShutdownState::NegotiatingClosingFee);
expect_channel_shutdown_state!(nodes[0], chan_id, ChannelShutdownState::NegotiatingClosingFee);
expect_channel_shutdown_state!(nodes[1], chan_id, ChannelShutdownState::NegotiatingClosingFee);

let events = nodes[0].node.get_and_clear_pending_msg_events();
assert!(events.is_empty(), "Expected no events, got {:?}", events);
nodes[0].enable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_1.2, SignerOp::SignClosingTransaction);
nodes[0].enable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_id, SignerOp::SignClosingTransaction);
nodes[0].node.signer_unblocked(None);

let node_0_closing_signed = get_event_msg!(nodes[0], MessageSendEvent::SendClosingSigned, nodes[1].node.get_our_node_id());
nodes[1].disable_channel_signer_op(&nodes[0].node.get_our_node_id(), &chan_1.2, SignerOp::SignClosingTransaction);
nodes[1].disable_channel_signer_op(&nodes[0].node.get_our_node_id(), &chan_id, SignerOp::SignClosingTransaction);
nodes[1].node.handle_closing_signed(nodes[0].node.get_our_node_id(), &node_0_closing_signed);

let events = nodes[1].node.get_and_clear_pending_msg_events();
assert!(events.is_empty(), "Expected no events, got {:?}", events);
nodes[1].enable_channel_signer_op(&nodes[0].node.get_our_node_id(), &chan_1.2, SignerOp::SignClosingTransaction);
nodes[1].enable_channel_signer_op(&nodes[0].node.get_our_node_id(), &chan_id, SignerOp::SignClosingTransaction);
nodes[1].node.signer_unblocked(None);

let node_1_closing_signed = get_event_msg!(nodes[1], MessageSendEvent::SendClosingSigned, nodes[0].node.get_our_node_id());

nodes[0].disable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_1.2, SignerOp::SignClosingTransaction);
nodes[0].disable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_id, SignerOp::SignClosingTransaction);
nodes[0].node.handle_closing_signed(nodes[1].node.get_our_node_id(), &node_1_closing_signed);
let events = nodes[0].node.get_and_clear_pending_msg_events();
assert!(events.is_empty(), "Expected no events, got {:?}", events);
nodes[0].enable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_1.2, SignerOp::SignClosingTransaction);
nodes[0].enable_channel_signer_op(&nodes[1].node.get_our_node_id(), &chan_id, SignerOp::SignClosingTransaction);

if extra_closing_signed {
let node_1_closing_signed_2_bad = {
let mut node_1_closing_signed_2 = node_1_closing_signed.clone();
let holder_script = nodes[0].keys_manager.get_shutdown_scriptpubkey().unwrap();
let counterparty_script = nodes[1].keys_manager.get_shutdown_scriptpubkey().unwrap();
let funding_outpoint = bitcoin::OutPoint { txid: chan_1.3.compute_txid(), vout: 0 };
let funding_outpoint = bitcoin::OutPoint { txid: funding_tx.compute_txid(), vout: 0 };
let closing_tx_2 = ClosingTransaction::new(50000, 0, holder_script.into(),
counterparty_script.into(), funding_outpoint);

let per_peer_state = nodes[1].node.per_peer_state.read().unwrap();
let mut chan_lock = per_peer_state.get(&nodes[0].node.get_our_node_id()).unwrap().lock().unwrap();
let chan = chan_lock.channel_by_id.get_mut(&chan_1.2).map(|phase| phase.context_mut()).unwrap();
let chan = chan_lock.channel_by_id.get_mut(&chan_id).map(|phase| phase.context_mut()).unwrap();

let signer = chan.get_mut_signer().as_mut_ecdsa().unwrap();
let signature = signer.sign_closing_transaction(&closing_tx_2, &Secp256k1::new()).unwrap();
Expand Down Expand Up @@ -1090,4 +1091,8 @@ fn do_test_closing_signed(extra_closing_signed: bool, reconnect: bool) {
check_closed_event!(nodes[0], 1, ClosureReason::LocallyInitiatedCooperativeClosure, [nodes[1].node.get_our_node_id()], 100000);
check_closed_event!(nodes[1], 1, ClosureReason::CounterpartyInitiatedCooperativeClosure, [nodes[0].node.get_our_node_id()], 100000);

// Check that our maps have been updated after async signng channel closure.
let funding_outpoint = OutPoint { txid: funding_tx.compute_txid(), index: 0 };
assert!(nodes[0].node().outpoint_to_peer.lock().unwrap().get(&funding_outpoint).is_none());
assert!(nodes[1].node().outpoint_to_peer.lock().unwrap().get(&funding_outpoint).is_none());
}

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