//! Further functional tests which test blockchain reorganizations.
-use crate::chain::channelmonitor::ANTI_REORG_DELAY;
+use crate::chain::channelmonitor::{ANTI_REORG_DELAY, LATENCY_GRACE_PERIOD_BLOCKS};
use crate::chain::transaction::OutPoint;
use crate::chain::Confirm;
-use crate::ln::channelmanager::{self, ChannelManager};
-use crate::ln::msgs::ChannelMessageHandler;
-use crate::util::events::{Event, MessageSendEvent, MessageSendEventsProvider, ClosureReason, HTLCDestination};
+use crate::events::{Event, MessageSendEventsProvider, ClosureReason, HTLCDestination};
+use crate::ln::channelmanager::ChannelManager;
+use crate::ln::msgs::{ChannelMessageHandler, Init};
use crate::util::test_utils;
use crate::util::ser::Writeable;
+use crate::util::string::UntrustedString;
-use bitcoin::blockdata::block::{Block, BlockHeader};
use bitcoin::blockdata::script::Builder;
use bitcoin::blockdata::opcodes;
use bitcoin::secp256k1::Secp256k1;
use crate::prelude::*;
-use bitcoin::hashes::Hash;
-use bitcoin::TxMerkleNode;
use crate::ln::functional_test_utils::*;
let node_chanmgrs = create_node_chanmgrs(3, &node_cfgs, &[None, None, None]);
let nodes = create_network(3, &node_cfgs, &node_chanmgrs);
- create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
- let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2, channelmanager::provided_init_features(), channelmanager::provided_init_features());
+ create_announced_chan_between_nodes(&nodes, 0, 1);
+ let chan_2 = create_announced_chan_between_nodes(&nodes, 1, 2);
// Make sure all nodes are at the same starting height
connect_blocks(&nodes[0], 2*CHAN_CONFIRM_DEPTH + 1 - nodes[0].best_block_info().1);
check_added_monitors!(nodes[2], 1);
get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
- let mut header = BlockHeader { version: 0x2000_0000, prev_blockhash: nodes[2].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 };
let claim_txn = if local_commitment {
// Broadcast node 1 commitment txn to broadcast the HTLC-Timeout
let node_1_commitment_txn = get_local_commitment_txn!(nodes[1], chan_2.2);
check_spends!(node_1_commitment_txn[1], node_1_commitment_txn[0]);
// Give node 2 node 1's transactions and get its response (claiming the HTLC instead).
- connect_block(&nodes[2], &Block { header, txdata: node_1_commitment_txn.clone() });
+ connect_block(&nodes[2], &create_dummy_block(nodes[2].best_block_hash(), 42, node_1_commitment_txn.clone()));
check_added_monitors!(nodes[2], 1);
check_closed_broadcast!(nodes[2], true); // We should get a BroadcastChannelUpdate (and *only* a BroadcstChannelUpdate)
check_closed_event!(nodes[2], 1, ClosureReason::CommitmentTxConfirmed);
// Make sure node 1's height is the same as the !local_commitment case
connect_blocks(&nodes[1], 1);
// Confirm node 1's commitment txn (and HTLC-Timeout) on node 1
- header.prev_blockhash = nodes[1].best_block_hash();
- connect_block(&nodes[1], &Block { header, txdata: node_1_commitment_txn.clone() });
+ connect_block(&nodes[1], &create_dummy_block(nodes[1].best_block_hash(), 42, node_1_commitment_txn.clone()));
// ...but return node 1's commitment tx in case claim is set and we're preparing to reorg
vec![node_1_commitment_txn[0].clone(), node_2_commitment_txn[0].clone()]
// Give node 1 node 2's commitment transaction and get its response (timing the HTLC out)
mine_transaction(&nodes[1], &node_2_commitment_txn[0]);
- connect_blocks(&nodes[1], TEST_FINAL_CLTV - 1); // Confirm blocks until the HTLC expires
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV); // Confirm blocks until the HTLC expires
let node_1_commitment_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap().clone();
assert_eq!(node_1_commitment_txn.len(), 1); // ChannelMonitor: 1 offered HTLC-Timeout
check_spends!(node_1_commitment_txn[0], node_2_commitment_txn[0]);
// Disconnect Node 1's HTLC-Timeout which was connected above
disconnect_blocks(&nodes[1], ANTI_REORG_DELAY - 1);
- let block = Block {
- header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 },
- txdata: claim_txn,
- };
- connect_block(&nodes[1], &block);
+ connect_block(&nodes[1], &create_dummy_block(nodes[1].best_block_hash(), 42, claim_txn));
// ChannelManager only polls chain::Watch::release_pending_monitor_events when we
// probe it for events, so we probe non-message events here (which should just be the
expect_payment_forwarded!(nodes[1], nodes[0], nodes[2], Some(1000), true, true);
} else {
// Confirm the timeout tx and check that we fail the HTLC backwards
- let block = Block {
- header: BlockHeader { version: 0x20000000, prev_blockhash: nodes[1].best_block_hash(), merkle_root: TxMerkleNode::all_zeros(), time: 42, bits: 42, nonce: 42 },
- txdata: vec![],
- };
- connect_block(&nodes[1], &block);
+ connect_block(&nodes[1], &create_dummy_block(nodes[1].best_block_hash(), 42, Vec::new()));
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 }]);
}
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
- let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 500_000_000, channelmanager::provided_init_features(), channelmanager::provided_init_features());
+ let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 1_000_000, 500_000_000);
// Get the initial commitment transaction for broadcast, before any HTLCs are added at all.
let revoked_local_txn = get_local_commitment_txn!(nodes[0], chan.2);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
let persister: test_utils::TestPersister;
let new_chain_monitor: test_utils::TestChainMonitor;
- let nodes_0_deserialized: ChannelManager<&test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestRouter, &test_utils::TestLogger>;
+ 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>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
*nodes[0].connect_style.borrow_mut() = connect_style;
let chan_conf_height = core::cmp::max(nodes[0].best_block_info().1 + 1, nodes[1].best_block_info().1 + 1);
- let chan = create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
+ let chan = create_announced_chan_between_nodes(&nodes, 0, 1);
{
let per_peer_state = nodes[0].node.per_peer_state.read().unwrap();
let chan_0_monitor_serialized = get_monitor!(nodes[0], chan.2).encode();
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);
- if !reorg_after_reload {
- // If the channel is already closed when we reload the node, we'll broadcast a closing
- // transaction via the ChannelMonitor which is missing a corresponding channel.
- assert_eq!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().len(), 1);
- nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().clear();
- }
+ assert!(nodes[0].tx_broadcaster.txn_broadcasted.lock().unwrap().is_empty());
}
if reorg_after_reload {
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: "Channel closed because of an exception: ".to_owned() + expected_err });
+ 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
- create_announced_chan_between_nodes(&nodes, 0, 1, channelmanager::provided_init_features(), channelmanager::provided_init_features());
+ 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);
}
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, channelmanager::provided_init_features(), channelmanager::provided_init_features());
+ 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);
}
// Connect blocks on node B
- connect_blocks(&nodes[1], 135);
+ connect_blocks(&nodes[1], TEST_FINAL_CLTV + LATENCY_GRACE_PERIOD_BLOCKS + 1);
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();
+ let mut node_txn = nodes[1].tx_broadcaster.unique_txn_broadcast();
assert_eq!(node_txn.len(), 3);
+ check_spends!(node_txn[0], chan.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()
+ assert_ne!(node_txn[1].input[0].previous_output, node_txn[2].input[0].previous_output);
+ node_txn.remove(1)
};
// Broadcast partial claim on node A, should regenerate a claiming tx with HTLC dropped
*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, channelmanager::provided_init_features(), channelmanager::provided_init_features());
+ 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);
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();
+ Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(), 253, None, &Secp256k1::new()).unwrap();
check_spends!(spend_tx, remote_txn_b[0]);
}
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();
+ Builder::new().push_opcode(opcodes::all::OP_RETURN).into_script(), 253, None, &Secp256k1::new()).unwrap();
check_spends!(spend_tx, remote_txn_a[0]);
}
}