mirror of
https://github.com/lightningdevkit/rust-lightning.git
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eff9a47075
MessageSendEvent::PaymentFailureNetworkUpdate served as a hack to pass an HTLCFailChannelUpdate from ChannelManager to NetGraphMsgHandler via PeerManager. Instead, remove the event entirely and move the contained data (renamed NetworkUpdate) to Event::PaymentFailed to be processed by an event handler.
539 lines
26 KiB
Rust
539 lines
26 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 chain::channelmonitor::{ANTI_REORG_DELAY, ChannelMonitor};
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use chain::transaction::OutPoint;
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use chain::{Confirm, Watch};
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use ln::channelmanager::{ChannelManager, ChannelManagerReadArgs};
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use ln::features::InitFeatures;
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use ln::msgs::{ChannelMessageHandler, ErrorAction};
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use routing::network_graph::NetworkUpdate;
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use util::enforcing_trait_impls::EnforcingSigner;
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use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
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use util::test_utils;
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use util::ser::{ReadableArgs, Writeable};
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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::hash_types::BlockHash;
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use bitcoin::secp256k1::Secp256k1;
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use prelude::*;
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use core::mem;
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use 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, InitFeatures::known(), InitFeatures::known());
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let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, InitFeatures::known(), InitFeatures::known());
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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]], 1000000);
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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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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: Default::default(), 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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let node_2_commitment_txn = nodes[2].tx_broadcaster.txn_broadcasted.lock().unwrap();
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assert_eq!(node_2_commitment_txn.len(), 3); // ChannelMonitor: 1 offered HTLC-Claim, ChannelManger: 1 local commitment tx, 1 Received HTLC-Claim
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assert_eq!(node_2_commitment_txn[1].output.len(), 2); // to-remote and Received HTLC (to-self is dust)
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check_spends!(node_2_commitment_txn[1], chan_2.3);
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check_spends!(node_2_commitment_txn[2], node_2_commitment_txn[1]);
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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 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(), 2); // ChannelMonitor: 1 offered HTLC-Timeout, ChannelManger: 1 local commitment tx
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assert_eq!(node_1_commitment_txn[0].output.len(), 2); // to-local and Offered HTLC (to-remote 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_2_commitment_txn[0]);
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// Confirm node 2's commitment txn (and node 1's HTLC-Timeout) on node 1
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header.prev_blockhash = nodes[1].best_block_hash();
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let block = Block { header, txdata: vec![node_2_commitment_txn[0].clone(), node_1_commitment_txn[1].clone()] };
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connect_block(&nodes[1], &block);
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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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node_2_commitment_txn
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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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// 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_blocks(&nodes[1], ANTI_REORG_DELAY - 2);
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let block = Block {
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header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: Default::default(), 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], Some(1000), 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: Default::default(), 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!(nodes[1]);
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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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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<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &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 = create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
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let channel_state = nodes[0].node.channel_state.lock().unwrap();
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assert_eq!(channel_state.by_id.len(), 1);
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assert_eq!(channel_state.short_to_id.len(), 1);
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mem::drop(channel_state);
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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[..], &[chan.3.txid()]);
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nodes[0].node.transaction_unconfirmed(&relevant_txids[0]);
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} else {
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disconnect_all_blocks(&nodes[0]);
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}
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if connect_style == ConnectStyle::FullBlockViaListen && !use_funding_unconfirmed {
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handle_announce_close_broadcast_events(&nodes, 0, 1, true, "Funding transaction was un-confirmed. Locked at 6 confs, now have 2 confs.");
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} else {
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handle_announce_close_broadcast_events(&nodes, 0, 1, true, "Funding transaction was un-confirmed. Locked at 6 confs, now have 0 confs.");
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}
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check_added_monitors!(nodes[1], 1);
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{
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let channel_state = nodes[0].node.channel_state.lock().unwrap();
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assert_eq!(channel_state.by_id.len(), 0);
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assert_eq!(channel_state.short_to_id.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 mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
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nodes[0].chain_monitor.chain_monitor.monitors.read().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
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persister = test_utils::TestPersister::new();
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let keys_manager = &chanmon_cfgs[0].keys_manager;
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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);
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nodes[0].chain_monitor = &new_chain_monitor;
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let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
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let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingSigner>)>::read(
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&mut chan_0_monitor_read, keys_manager).unwrap();
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assert!(chan_0_monitor_read.is_empty());
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let mut nodes_0_read = &nodes_0_serialized[..];
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nodes_0_deserialized = {
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let mut channel_monitors = HashMap::new();
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channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
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<(BlockHash, ChannelManager<EnforcingSigner, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster,
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&test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(
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&mut nodes_0_read, ChannelManagerReadArgs {
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default_config: *nodes[0].node.get_current_default_configuration(),
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keys_manager,
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fee_estimator: node_cfgs[0].fee_estimator,
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chain_monitor: nodes[0].chain_monitor,
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tx_broadcaster: nodes[0].tx_broadcaster.clone(),
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logger: nodes[0].logger,
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channel_monitors,
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}).unwrap().1
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};
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nodes[0].node = &nodes_0_deserialized;
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assert!(nodes_0_read.is_empty());
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if !reorg_after_reload {
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// If the channel is already closed when we reload the node, we'll broadcast a closing
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// transaction via the ChannelMonitor which is missing a corresponding channel.
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assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
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nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
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}
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nodes[0].chain_monitor.watch_channel(chan_0_monitor.get_funding_txo().0.clone(), chan_0_monitor).unwrap();
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check_added_monitors!(nodes[0], 1);
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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[..], &[chan.3.txid()]);
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nodes[0].node.transaction_unconfirmed(&relevant_txids[0]);
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} else {
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disconnect_all_blocks(&nodes[0]);
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}
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if connect_style == ConnectStyle::FullBlockViaListen && !use_funding_unconfirmed {
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handle_announce_close_broadcast_events(&nodes, 0, 1, true, "Funding transaction was un-confirmed. Locked at 6 confs, now have 2 confs.");
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} else {
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handle_announce_close_broadcast_events(&nodes, 0, 1, true, "Funding transaction was un-confirmed. Locked at 6 confs, now have 0 confs.");
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}
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check_added_monitors!(nodes[1], 1);
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{
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let channel_state = nodes[0].node.channel_state.lock().unwrap();
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assert_eq!(channel_state.by_id.len(), 0);
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assert_eq!(channel_state.short_to_id.len(), 0);
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}
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}
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// With expect_channel_force_closed set the TestChainMonitor will enforce that the next update
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// is a ChannelForcClosed on the right channel with should_broadcast set.
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*nodes[0].chain_monitor.expect_channel_force_closed.lock().unwrap() = Some((chan.2, true));
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nodes[0].node.test_process_background_events(); // Required to free the pending background monitor update
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check_added_monitors!(nodes[0], 1);
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assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
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nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
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// Now check that we can create a new channel
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create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
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send_payment(&nodes[0], &[&nodes[1]], 8000000);
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}
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#[test]
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fn test_unconf_chan() {
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do_test_unconf_chan(true, true, false, ConnectStyle::BestBlockFirstSkippingBlocks);
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do_test_unconf_chan(false, true, false, ConnectStyle::BestBlockFirstSkippingBlocks);
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do_test_unconf_chan(true, false, false, ConnectStyle::BestBlockFirstSkippingBlocks);
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do_test_unconf_chan(false, false, false, ConnectStyle::BestBlockFirstSkippingBlocks);
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}
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#[test]
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fn test_unconf_chan_via_listen() {
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do_test_unconf_chan(true, true, false, ConnectStyle::FullBlockViaListen);
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do_test_unconf_chan(false, true, false, ConnectStyle::FullBlockViaListen);
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do_test_unconf_chan(true, false, false, ConnectStyle::FullBlockViaListen);
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do_test_unconf_chan(false, false, false, ConnectStyle::FullBlockViaListen);
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}
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#[test]
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fn test_unconf_chan_via_funding_unconfirmed() {
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do_test_unconf_chan(true, true, true, ConnectStyle::BestBlockFirstSkippingBlocks);
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do_test_unconf_chan(false, true, true, ConnectStyle::BestBlockFirstSkippingBlocks);
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do_test_unconf_chan(true, false, true, ConnectStyle::BestBlockFirstSkippingBlocks);
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do_test_unconf_chan(false, false, true, ConnectStyle::BestBlockFirstSkippingBlocks);
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do_test_unconf_chan(true, true, true, ConnectStyle::FullBlockViaListen);
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do_test_unconf_chan(false, true, true, ConnectStyle::FullBlockViaListen);
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do_test_unconf_chan(true, false, true, ConnectStyle::FullBlockViaListen);
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do_test_unconf_chan(false, false, true, ConnectStyle::FullBlockViaListen);
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}
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#[test]
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fn test_set_outpoints_partial_claiming() {
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// - remote party claim tx, new bump tx
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// - disconnect remote claiming tx, new bump
|
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// - disconnect tx, see no tx anymore
|
|
let chanmon_cfgs = create_chanmon_cfgs(2);
|
|
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
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|
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
|
|
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, 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);
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|
assert_eq!(remote_txn[0].input.len(), 1);
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|
assert_eq!(remote_txn[0].input[0].previous_output.txid, chan.3.txid());
|
|
check_spends!(remote_txn[1], remote_txn[0]);
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|
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);
|
|
nodes[0].node.claim_funds(payment_preimage_2);
|
|
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
|
|
mine_transaction(&nodes[0], &remote_txn[0]);
|
|
check_closed_broadcast!(nodes[0], true);
|
|
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);
|
|
check_closed_broadcast!(nodes[1], true);
|
|
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, InitFeatures::known(), InitFeatures::known());
|
|
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);
|
|
assert!(nodes[1].node.list_channels().is_empty());
|
|
check_closed_broadcast!(nodes[1], true);
|
|
check_added_monitors!(nodes[1], 1);
|
|
|
|
// Drop transactions broadcasted in response to the first commitment transaction (we have good
|
|
// test coverage of these things already elsewhere).
|
|
assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0).len(), 1);
|
|
assert_eq!(nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().split_off(0).len(), 1);
|
|
|
|
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::TransactionsFirst);
|
|
do_test_to_remote_after_local_detection(ConnectStyle::TransactionsFirstSkippingBlocks);
|
|
do_test_to_remote_after_local_detection(ConnectStyle::FullBlockViaListen);
|
|
}
|