use util::{byte_utils, test_utils};
use util::events::{Event, EventsProvider, MessageSendEvent, MessageSendEventsProvider};
use util::errors::APIError;
-use util::ser::{Writeable, ReadableArgs, Readable};
+use util::ser::{Writeable, ReadableArgs};
use util::config::UserConfig;
use bitcoin::hashes::sha256d::Hash as Sha256dHash;
-use bitcoin::hashes::HashEngine;
-use bitcoin::hash_types::{Txid, BlockHash, WPubkeyHash};
+use bitcoin::hash_types::{Txid, BlockHash};
use bitcoin::util::bip143;
use bitcoin::util::address::Address;
use bitcoin::util::bip32::{ChildNumber, ExtendedPubKey, ExtendedPrivKey};
use bitcoin::blockdata::block::{Block, BlockHeader};
-use bitcoin::blockdata::transaction::{Transaction, TxOut, TxIn, SigHashType, OutPoint as BitcoinOutPoint};
+use bitcoin::blockdata::transaction::{Transaction, TxOut, TxIn, SigHashType};
use bitcoin::blockdata::script::{Builder, Script};
use bitcoin::blockdata::opcodes;
use bitcoin::blockdata::constants::genesis_block;
use std::collections::{BTreeSet, HashMap, HashSet};
use std::default::Default;
-use std::sync::{Arc, Mutex};
+use std::sync::Mutex;
use std::sync::atomic::Ordering;
use std::mem;
use ln::functional_test_utils::*;
-use ln::chan_utils::PreCalculatedTxCreationKeys;
+use ln::chan_utils::CommitmentTransaction;
#[test]
fn test_insane_channel_opens() {
// Get the EnforcingChannelKeys for each channel, which will be used to (1) get the keys
// needed to sign the new commitment tx and (2) sign the new commitment tx.
- let (local_revocation_basepoint, local_htlc_basepoint, local_payment_point, local_secret, local_secret2) = {
+ let (local_revocation_basepoint, local_htlc_basepoint, local_secret, next_local_point) = {
let chan_lock = nodes[0].node.channel_state.lock().unwrap();
let local_chan = chan_lock.by_id.get(&chan.2).unwrap();
let chan_keys = local_chan.get_keys();
let pubkeys = chan_keys.pubkeys();
- (pubkeys.revocation_basepoint, pubkeys.htlc_basepoint, pubkeys.payment_point,
- chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER), chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 2))
+ (pubkeys.revocation_basepoint, pubkeys.htlc_basepoint,
+ chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER),
+ chan_keys.get_per_commitment_point(INITIAL_COMMITMENT_NUMBER - 2, &secp_ctx))
};
- let (remote_delayed_payment_basepoint, remote_htlc_basepoint, remote_payment_point, remote_secret1) = {
+ let (remote_delayed_payment_basepoint, remote_htlc_basepoint,remote_point) = {
let chan_lock = nodes[1].node.channel_state.lock().unwrap();
let remote_chan = chan_lock.by_id.get(&chan.2).unwrap();
let chan_keys = remote_chan.get_keys();
let pubkeys = chan_keys.pubkeys();
- (pubkeys.delayed_payment_basepoint, pubkeys.htlc_basepoint, pubkeys.payment_point,
- chan_keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 1))
+ (pubkeys.delayed_payment_basepoint, pubkeys.htlc_basepoint,
+ chan_keys.get_per_commitment_point(INITIAL_COMMITMENT_NUMBER - 1, &secp_ctx))
};
// Assemble the set of keys we can use for signatures for our commitment_signed message.
- let commitment_secret = SecretKey::from_slice(&remote_secret1).unwrap();
- let per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &commitment_secret);
- let commit_tx_keys = chan_utils::TxCreationKeys::derive_new(&secp_ctx, &per_commitment_point, &remote_delayed_payment_basepoint,
+ let commit_tx_keys = chan_utils::TxCreationKeys::derive_new(&secp_ctx, &remote_point, &remote_delayed_payment_basepoint,
&remote_htlc_basepoint, &local_revocation_basepoint, &local_htlc_basepoint).unwrap();
// Build the remote commitment transaction so we can sign it, and then later use the
// signature for the commitment_signed message.
let local_chan_balance = 1313;
- let static_payment_pk = local_payment_point.serialize();
- let remote_commit_tx_output = TxOut {
- script_pubkey: Builder::new().push_opcode(opcodes::all::OP_PUSHBYTES_0)
- .push_slice(&WPubkeyHash::hash(&static_payment_pk)[..])
- .into_script(),
- value: local_chan_balance as u64
- };
-
- let local_commit_tx_output = TxOut {
- script_pubkey: chan_utils::get_revokeable_redeemscript(&commit_tx_keys.revocation_key,
- BREAKDOWN_TIMEOUT,
- &commit_tx_keys.broadcaster_delayed_payment_key).to_v0_p2wsh(),
- value: 95000,
- };
let accepted_htlc_info = chan_utils::HTLCOutputInCommitment {
offered: false,
amount_msat: 3460001,
cltv_expiry: htlc_cltv,
- payment_hash: payment_hash,
+ payment_hash,
transaction_output_index: Some(1),
};
- let htlc_output = TxOut {
- script_pubkey: chan_utils::get_htlc_redeemscript(&accepted_htlc_info, &commit_tx_keys).to_v0_p2wsh(),
- value: 3460001 / 1000
- };
-
- let commit_tx_obscure_factor = {
- let mut sha = Sha256::engine();
- let remote_payment_point = &remote_payment_point.serialize();
- sha.input(&local_payment_point.serialize());
- sha.input(remote_payment_point);
- let res = Sha256::from_engine(sha).into_inner();
-
- ((res[26] as u64) << 5*8) |
- ((res[27] as u64) << 4*8) |
- ((res[28] as u64) << 3*8) |
- ((res[29] as u64) << 2*8) |
- ((res[30] as u64) << 1*8) |
- ((res[31] as u64) << 0*8)
- };
- let commitment_number = 1;
- let obscured_commitment_transaction_number = commit_tx_obscure_factor ^ commitment_number;
- let lock_time = ((0x20 as u32) << 8*3) | ((obscured_commitment_transaction_number & 0xffffffu64) as u32);
- let input = TxIn {
- previous_output: BitcoinOutPoint { txid: chan.3.txid(), vout: 0 },
- script_sig: Script::new(),
- sequence: ((0x80 as u32) << 8*3) | ((obscured_commitment_transaction_number >> 3*8) as u32),
- witness: Vec::new(),
- };
+ let commitment_number = INITIAL_COMMITMENT_NUMBER - 1;
- let commit_tx = Transaction {
- version: 2,
- lock_time,
- input: vec![input],
- output: vec![remote_commit_tx_output, htlc_output, local_commit_tx_output],
- };
let res = {
let local_chan_lock = nodes[0].node.channel_state.lock().unwrap();
let local_chan = local_chan_lock.by_id.get(&chan.2).unwrap();
let local_chan_keys = local_chan.get_keys();
- let pre_commit_tx_keys = PreCalculatedTxCreationKeys::new(commit_tx_keys);
- local_chan_keys.sign_counterparty_commitment(feerate_per_kw, &commit_tx, &pre_commit_tx_keys, &[&accepted_htlc_info], &secp_ctx).unwrap()
+ let commitment_tx = CommitmentTransaction::new_with_auxiliary_htlc_data(
+ commitment_number,
+ 95000,
+ local_chan_balance,
+ commit_tx_keys.clone(),
+ feerate_per_kw,
+ &mut vec![(accepted_htlc_info, ())],
+ &local_chan.channel_transaction_parameters.as_counterparty_broadcastable()
+ );
+ local_chan_keys.sign_counterparty_commitment(&commitment_tx, &secp_ctx).unwrap()
};
let commit_signed_msg = msgs::CommitmentSigned {
let _ = nodes[1].node.get_and_clear_pending_msg_events();
// Send the RAA to nodes[1].
- let per_commitment_secret = local_secret;
- let next_secret = SecretKey::from_slice(&local_secret2).unwrap();
- let next_per_commitment_point = PublicKey::from_secret_key(&secp_ctx, &next_secret);
- let raa_msg = msgs::RevokeAndACK{ channel_id: chan.2, per_commitment_secret, next_per_commitment_point};
+ let raa_msg = msgs::RevokeAndACK {
+ channel_id: chan.2,
+ per_commitment_secret: local_secret,
+ next_per_commitment_point: next_local_point
+ };
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(), &raa_msg);
let events = nodes[1].node.get_and_clear_pending_msg_events();
bob_config.peer_channel_config_limits.force_announced_channel_preference = false;
bob_config.own_channel_config.our_to_self_delay = 6 * 24 * 3;
let user_cfgs = [Some(alice_config), Some(bob_config)];
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
+ chanmon_cfgs[1].keys_manager.disable_revocation_policy_check = true;
let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &user_cfgs);
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
#[test]
fn claim_htlc_outputs_shared_tx() {
// Node revoked old state, htlcs haven't time out yet, claim them in shared justice tx
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
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);
#[test]
fn claim_htlc_outputs_single_tx() {
// Node revoked old state, htlcs have timed out, claim each of them in separated justice tx
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
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);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
route_payment(&nodes[0], &[&nodes[1]], 10000000);
- nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id);
+ nodes[0].node.force_close_channel(&nodes[0].node.list_channels()[0].channel_id).unwrap();
check_closed_broadcast!(nodes[0], false);
check_added_monitors!(nodes[0], 1);
// state or updated nodes[1]' state. Now force-close and broadcast that commitment/HTLC
// transaction and ensure nodes[1] doesn't fail-backwards (this was originally a bug!).
- nodes[2].node.force_close_channel(&payment_event.commitment_msg.channel_id);
+ nodes[2].node.force_close_channel(&payment_event.commitment_msg.channel_id).unwrap();
check_closed_broadcast!(nodes[2], false);
check_added_monitors!(nodes[2], 1);
let tx = {
let fee_estimator: test_utils::TestFeeEstimator;
let persister: test_utils::TestPersister;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let nodes_0_serialized = nodes[0].node.encode();
let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
- nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut chan_0_monitor_serialized).unwrap();
+ nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
logger = test_utils::TestLogger::new();
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
- let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut chan_0_monitor_read).unwrap();
+ let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
+ &mut chan_0_monitor_read, keys_manager).unwrap();
assert!(chan_0_monitor_read.is_empty());
let mut nodes_0_read = &nodes_0_serialized[..];
let config = UserConfig::default();
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
let (_, nodes_0_deserialized_tmp) = {
let mut channel_monitors = HashMap::new();
channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: config,
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let persister: test_utils::TestPersister;
let logger: test_utils::TestLogger;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let push_msat = 10001;
let a_flags = InitFeatures::known();
let b_flags = InitFeatures::known();
- let node_a = nodes.pop().unwrap();
- let node_b = nodes.pop().unwrap();
+ let node_a = nodes.remove(0);
+ let node_b = nodes.remove(0);
node_a.node.create_channel(node_b.node.get_our_node_id(), channel_value, push_msat, 42, None).unwrap();
node_b.node.handle_open_channel(&node_a.node.get_our_node_id(), a_flags, &get_event_msg!(node_a, MessageSendEvent::SendOpenChannel, node_b.node.get_our_node_id()));
node_a.node.handle_accept_channel(&node_b.node.get_our_node_id(), b_flags, &get_event_msg!(node_b, MessageSendEvent::SendAcceptChannel, node_a.node.get_our_node_id()));
// Start the de/seriailization process mid-channel creation to check that the channel manager will hold onto events that are serialized
let nodes_0_serialized = nodes[0].node.encode();
let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
- nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut chan_0_monitor_serialized).unwrap();
+ nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
logger = test_utils::TestLogger::new();
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
- let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut chan_0_monitor_read).unwrap();
+ let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
+ &mut chan_0_monitor_read, keys_manager).unwrap();
assert!(chan_0_monitor_read.is_empty());
let mut nodes_0_read = &nodes_0_serialized[..];
let config = UserConfig::default();
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
let (_, nodes_0_deserialized_tmp) = {
let mut channel_monitors = HashMap::new();
channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: config,
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let fee_estimator: test_utils::TestFeeEstimator;
let persister: test_utils::TestPersister;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
let nodes_0_serialized = nodes[0].node.encode();
let mut chan_0_monitor_serialized = test_utils::TestVecWriter(Vec::new());
- nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut chan_0_monitor_serialized).unwrap();
+ nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write(&mut chan_0_monitor_serialized).unwrap();
logger = test_utils::TestLogger::new();
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
let mut chan_0_monitor_read = &chan_0_monitor_serialized.0[..];
- let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut chan_0_monitor_read).unwrap();
+ let (_, mut chan_0_monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(
+ &mut chan_0_monitor_read, keys_manager).unwrap();
assert!(chan_0_monitor_read.is_empty());
let mut nodes_0_read = &nodes_0_serialized[..];
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
let (_, nodes_0_deserialized_tmp) = {
let mut channel_monitors = HashMap::new();
channel_monitors.insert(chan_0_monitor.get_funding_txo().0, &mut chan_0_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: UserConfig::default(),
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let fee_estimator: test_utils::TestFeeEstimator;
let persister: test_utils::TestPersister;
let new_chain_monitor: test_utils::TestChainMonitor;
- let keys_manager: test_utils::TestKeysInterface;
let nodes_0_deserialized: ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>;
let mut nodes = create_network(4, &node_cfgs, &node_chanmgrs);
create_announced_chan_between_nodes(&nodes, 0, 1, InitFeatures::known(), InitFeatures::known());
let mut node_0_stale_monitors_serialized = Vec::new();
for monitor in nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter() {
let mut writer = test_utils::TestVecWriter(Vec::new());
- monitor.1.serialize_for_disk(&mut writer).unwrap();
+ monitor.1.write(&mut writer).unwrap();
node_0_stale_monitors_serialized.push(writer.0);
}
let mut node_0_monitors_serialized = Vec::new();
for monitor in nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter() {
let mut writer = test_utils::TestVecWriter(Vec::new());
- monitor.1.serialize_for_disk(&mut writer).unwrap();
+ monitor.1.write(&mut writer).unwrap();
node_0_monitors_serialized.push(writer.0);
}
logger = test_utils::TestLogger::new();
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
persister = test_utils::TestPersister::new();
- new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister);
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
+ new_chain_monitor = test_utils::TestChainMonitor::new(Some(nodes[0].chain_source), nodes[0].tx_broadcaster.clone(), &logger, &fee_estimator, &persister, keys_manager);
nodes[0].chain_monitor = &new_chain_monitor;
+
let mut node_0_stale_monitors = Vec::new();
for serialized in node_0_stale_monitors_serialized.iter() {
let mut read = &serialized[..];
- let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read).unwrap();
+ let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read, keys_manager).unwrap();
assert!(read.is_empty());
node_0_stale_monitors.push(monitor);
}
let mut node_0_monitors = Vec::new();
for serialized in node_0_monitors_serialized.iter() {
let mut read = &serialized[..];
- let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read).unwrap();
+ let (_, monitor) = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut read, keys_manager).unwrap();
assert!(read.is_empty());
node_0_monitors.push(monitor);
}
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
-
let mut nodes_0_read = &nodes_0_serialized[..];
if let Err(msgs::DecodeError::InvalidValue) =
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: UserConfig::default(),
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let (_, nodes_0_deserialized_tmp) =
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut nodes_0_read, ChannelManagerReadArgs {
default_config: UserConfig::default(),
- keys_manager: &keys_manager,
+ keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: nodes[0].chain_monitor,
tx_broadcaster: nodes[0].tx_broadcaster.clone(),
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, InitFeatures::known(), InitFeatures::known());
- nodes[1].node.force_close_channel(&chan.2);
+ nodes[1].node.force_close_channel(&chan.2).unwrap();
check_closed_broadcast!(nodes[1], false);
check_added_monitors!(nodes[1], 1);
let node_txn = nodes[1].tx_broadcaster.txn_broadcasted.lock().unwrap();
let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
let chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 99000000, InitFeatures::known(), InitFeatures::known());
- nodes[0].node.force_close_channel(&chan.2);
+ nodes[0].node.force_close_channel(&chan.2).unwrap();
check_closed_broadcast!(nodes[0], false);
check_added_monitors!(nodes[0], 1);
#[test]
fn test_static_spendable_outputs_justice_tx_revoked_htlc_timeout_tx() {
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
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);
#[test]
fn test_static_spendable_outputs_justice_tx_revoked_htlc_success_tx() {
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[1].keys_manager.disable_revocation_policy_check = true;
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);
// We manually create the node configuration to backup the seed.
let seed = [42; 32];
let keys_manager = test_utils::TestKeysInterface::new(&seed, Network::Testnet);
- let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &chanmon_cfgs[0].persister);
- let node = NodeCfg { chain_source: &chanmon_cfgs[0].chain_source, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chain_monitor, keys_manager, node_seed: seed };
+ let chain_monitor = test_utils::TestChainMonitor::new(Some(&chanmon_cfgs[0].chain_source), &chanmon_cfgs[0].tx_broadcaster, &chanmon_cfgs[0].logger, &chanmon_cfgs[0].fee_estimator, &chanmon_cfgs[0].persister, &keys_manager);
+ let node = NodeCfg { chain_source: &chanmon_cfgs[0].chain_source, logger: &chanmon_cfgs[0].logger, tx_broadcaster: &chanmon_cfgs[0].tx_broadcaster, fee_estimator: &chanmon_cfgs[0].fee_estimator, chain_monitor, keys_manager: &keys_manager, node_seed: seed };
let mut node_cfgs = create_node_cfgs(3, &chanmon_cfgs);
node_cfgs.remove(0);
node_cfgs.insert(0, node);
// We can have at most two valid local commitment tx, so both cases must be covered, and both txs must be checked to get them all as
// HTLC could have been removed from lastest local commitment tx but still valid until we get remote RAA
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
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 nodes = create_network(2, &node_cfgs, &node_chanmgrs);
// We test config.our_to_self > BREAKDOWN_TIMEOUT is enforced in Channel::new_outbound()
- let keys_manager: Arc<KeysInterface<ChanKeySigner = EnforcingChannelKeys>> = Arc::new(test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet));
- if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) {
+ if let Err(error) = Channel::new_outbound(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), 1000000, 1000000, 0, &low_our_to_self_config) {
match error {
APIError::APIMisuseError { err } => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &low_our_to_self_config) {
match error {
ChannelError::Close(err) => { assert!(regex::Regex::new(r"Configured with an unreasonable our_to_self_delay \(\d+\) putting user funds at risks").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
nodes[1].node.create_channel(nodes[0].node.get_our_node_id(), 1000000, 1000000, 42, None).unwrap();
let mut open_channel = get_event_msg!(nodes[1], MessageSendEvent::SendOpenChannel, nodes[0].node.get_our_node_id());
open_channel.to_self_delay = 200;
- if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) {
+ if let Err(error) = Channel::new_from_req(&&test_utils::TestFeeEstimator { sat_per_kw: 253 }, &nodes[0].keys_manager, nodes[1].node.get_our_node_id(), InitFeatures::known(), &open_channel, 0, &high_their_to_self_config) {
match error {
ChannelError::Close(err) => { assert!(regex::Regex::new(r"They wanted our payments to be delayed by a needlessly long period\. Upper limit: \d+\. Actual: \d+").unwrap().is_match(err.as_str())); },
_ => panic!("Unexpected event"),
fn test_data_loss_protect() {
// We want to be sure that :
// * we don't broadcast our Local Commitment Tx in case of fallen behind
+ // (but this is not quite true - we broadcast during Drop because chanmon is out of sync with chanmgr)
// * we close channel in case of detecting other being fallen behind
// * we are able to claim our own outputs thanks to to_remote being static
- let keys_manager;
+ // TODO: this test is incomplete and the data_loss_protect implementation is incomplete - see issue #775
let persister;
let logger;
let fee_estimator;
let tx_broadcaster;
let chain_source;
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ // We broadcast during Drop because chanmon is out of sync with chanmgr, which would cause a panic
+ // during signing due to revoked tx
+ chanmon_cfgs[0].keys_manager.disable_revocation_policy_check = true;
+ let keys_manager = &chanmon_cfgs[0].keys_manager;
let monitor;
let node_state_0;
- 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);
// Cache node A state before any channel update
let previous_node_state = nodes[0].node.encode();
let mut previous_chain_monitor_state = test_utils::TestVecWriter(Vec::new());
- nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.serialize_for_disk(&mut previous_chain_monitor_state).unwrap();
+ nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap().iter().next().unwrap().1.write(&mut previous_chain_monitor_state).unwrap();
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
send_payment(&nodes[0], &vec!(&nodes[1])[..], 8000000, 8_000_000);
// Restore node A from previous state
logger = test_utils::TestLogger::with_id(format!("node {}", 0));
- let mut chain_monitor = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut ::std::io::Cursor::new(previous_chain_monitor_state.0)).unwrap().1;
+ let mut chain_monitor = <(BlockHash, ChannelMonitor<EnforcingChannelKeys>)>::read(&mut ::std::io::Cursor::new(previous_chain_monitor_state.0), keys_manager).unwrap().1;
chain_source = test_utils::TestChainSource::new(Network::Testnet);
tx_broadcaster = test_utils::TestBroadcaster{txn_broadcasted: Mutex::new(Vec::new())};
fee_estimator = test_utils::TestFeeEstimator { sat_per_kw: 253 };
- keys_manager = test_utils::TestKeysInterface::new(&nodes[0].node_seed, Network::Testnet);
persister = test_utils::TestPersister::new();
- monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &tx_broadcaster, &logger, &fee_estimator, &persister);
+ monitor = test_utils::TestChainMonitor::new(Some(&chain_source), &tx_broadcaster, &logger, &fee_estimator, &persister, keys_manager);
node_state_0 = {
let mut channel_monitors = HashMap::new();
channel_monitors.insert(OutPoint { txid: chan.3.txid(), index: 0 }, &mut chain_monitor);
<(BlockHash, ChannelManager<EnforcingChannelKeys, &test_utils::TestChainMonitor, &test_utils::TestBroadcaster, &test_utils::TestKeysInterface, &test_utils::TestFeeEstimator, &test_utils::TestLogger>)>::read(&mut ::std::io::Cursor::new(previous_node_state), ChannelManagerReadArgs {
- keys_manager: &keys_manager,
+ keys_manager: keys_manager,
fee_estimator: &fee_estimator,
chain_monitor: &monitor,
logger: &logger,
// In case of penalty txn with too low feerates for getting into mempools, RBF-bump them to sure
// we're able to claim outputs on revoked HTLC transactions before timelocks expiration
- let chanmon_cfgs = create_chanmon_cfgs(2);
+ let mut chanmon_cfgs = create_chanmon_cfgs(2);
+ chanmon_cfgs[1].keys_manager.disable_revocation_policy_check = true;
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 mut guard = nodes[0].node.channel_state.lock().unwrap();
let keys = &guard.by_id.get_mut(&channel_id).unwrap().holder_keys;
const INITIAL_COMMITMENT_NUMBER: u64 = (1 << 48) - 1;
+ let per_commitment_secret = keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER);
+ // Must revoke without gaps
+ keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 1);
let next_per_commitment_point = PublicKey::from_secret_key(&Secp256k1::new(),
&SecretKey::from_slice(&keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER - 2)).unwrap());
- let per_commitment_secret = keys.release_commitment_secret(INITIAL_COMMITMENT_NUMBER);
nodes[1].node.handle_revoke_and_ack(&nodes[0].node.get_our_node_id(),
&msgs::RevokeAndACK { channel_id, per_commitment_secret, next_per_commitment_point });
let monitors = nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap();
let monitor = monitors.get(&outpoint).unwrap();
let mut w = test_utils::TestVecWriter(Vec::new());
- monitor.serialize_for_disk(&mut w).unwrap();
+ monitor.write(&mut w).unwrap();
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut ::std::io::Cursor::new(&w.0)).unwrap().1;
+ &mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister);
+ let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok());
watchtower
};
let monitors = nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap();
let monitor = monitors.get(&outpoint).unwrap();
let mut w = test_utils::TestVecWriter(Vec::new());
- monitor.serialize_for_disk(&mut w).unwrap();
+ monitor.write(&mut w).unwrap();
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut ::std::io::Cursor::new(&w.0)).unwrap().1;
+ &mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister);
+ let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok());
watchtower
};
let monitors = nodes[0].chain_monitor.chain_monitor.monitors.lock().unwrap();
let monitor = monitors.get(&outpoint).unwrap();
let mut w = test_utils::TestVecWriter(Vec::new());
- monitor.serialize_for_disk(&mut w).unwrap();
+ monitor.write(&mut w).unwrap();
let new_monitor = <(BlockHash, channelmonitor::ChannelMonitor<EnforcingChannelKeys>)>::read(
- &mut ::std::io::Cursor::new(&w.0)).unwrap().1;
+ &mut ::std::io::Cursor::new(&w.0), &test_utils::OnlyReadsKeysInterface {}).unwrap().1;
assert!(new_monitor == *monitor);
- let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister);
+ let watchtower = test_utils::TestChainMonitor::new(Some(&chain_source), &chanmon_cfgs[0].tx_broadcaster, &logger, &chanmon_cfgs[0].fee_estimator, &persister, &node_cfgs[0].keys_manager);
assert!(watchtower.watch_channel(outpoint, new_monitor).is_ok());
watchtower
};
}
}
+#[test]
+fn test_pre_lockin_no_chan_closed_update() {
+ // Test that if a peer closes a channel in response to a funding_created message we don't
+ // generate a channel update (as the channel cannot appear on chain without a funding_signed
+ // message).
+ //
+ // Doing so would imply a channel monitor update before the initial channel monitor
+ // registration, violating our API guarantees.
+ //
+ // Previously, full_stack_target managed to hit this case by opening then closing a channel,
+ // then opening a second channel with the same funding output as the first (which is not
+ // rejected because the first channel does not exist in the ChannelManager) and closing it
+ // before receiving funding_signed.
+ 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);
+
+ // Create an initial channel
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap();
+ let mut open_chan_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_chan_msg);
+ let accept_chan_msg = get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id());
+ nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &accept_chan_msg);
+
+ // Move the first channel through the funding flow...
+ let (temporary_channel_id, _tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 42);
+
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ check_added_monitors!(nodes[0], 0);
+
+ let funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
+ let channel_id = ::chain::transaction::OutPoint { txid: funding_created_msg.funding_txid, index: funding_created_msg.funding_output_index }.to_channel_id();
+ nodes[0].node.handle_error(&nodes[1].node.get_our_node_id(), &msgs::ErrorMessage { channel_id, data: "Hi".to_owned() });
+ assert!(nodes[0].chain_monitor.added_monitors.lock().unwrap().is_empty());
+}
+
#[test]
fn test_htlc_no_detection() {
// This test is a mutation to underscore the detection logic bug we had
// responds by (1) broadcasting a channel update and (2) adding a new ChannelMonitor.
let mut force_closing_node = 0; // Alice force-closes
if !broadcast_alice { force_closing_node = 1; } // Bob force-closes
- nodes[force_closing_node].node.force_close_channel(&chan_ab.2);
+ nodes[force_closing_node].node.force_close_channel(&chan_ab.2).unwrap();
check_closed_broadcast!(nodes[force_closing_node], false);
check_added_monitors!(nodes[force_closing_node], 1);
if go_onchain_before_fulfill {
do_test_onchain_htlc_settlement_after_close(true, false);
do_test_onchain_htlc_settlement_after_close(false, false);
}
+
+#[test]
+fn test_duplicate_chan_id() {
+ // Test that if a given peer tries to open a channel with the same channel_id as one that is
+ // already open we reject it and keep the old channel.
+ //
+ // Previously, full_stack_target managed to figure out that if you tried to open two channels
+ // with the same funding output (ie post-funding channel_id), we'd create a monitor update for
+ // the existing channel when we detect the duplicate new channel, screwing up our monitor
+ // updating logic for the existing channel.
+ 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);
+
+ // Create an initial channel
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap();
+ let mut open_chan_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_chan_msg);
+ nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()));
+
+ // Try to create a second channel with the same temporary_channel_id as the first and check
+ // that it is rejected.
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_chan_msg);
+ {
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => {
+ // Technically, at this point, nodes[1] would be justified in thinking both the
+ // first (valid) and second (invalid) channels are closed, given they both have
+ // the same non-temporary channel_id. However, currently we do not, so we just
+ // move forward with it.
+ assert_eq!(msg.channel_id, open_chan_msg.temporary_channel_id);
+ assert_eq!(node_id, nodes[0].node.get_our_node_id());
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+
+ // Move the first channel through the funding flow...
+ let (temporary_channel_id, tx, funding_output) = create_funding_transaction(&nodes[0], 100000, 42);
+
+ nodes[0].node.funding_transaction_generated(&temporary_channel_id, funding_output);
+ check_added_monitors!(nodes[0], 0);
+
+ let mut funding_created_msg = get_event_msg!(nodes[0], MessageSendEvent::SendFundingCreated, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created_msg);
+ {
+ let mut added_monitors = nodes[1].chain_monitor.added_monitors.lock().unwrap();
+ assert_eq!(added_monitors.len(), 1);
+ assert_eq!(added_monitors[0].0, funding_output);
+ added_monitors.clear();
+ }
+ let funding_signed_msg = get_event_msg!(nodes[1], MessageSendEvent::SendFundingSigned, nodes[0].node.get_our_node_id());
+
+ let funding_outpoint = ::chain::transaction::OutPoint { txid: funding_created_msg.funding_txid, index: funding_created_msg.funding_output_index };
+ let channel_id = funding_outpoint.to_channel_id();
+
+ // Now we have the first channel past funding_created (ie it has a txid-based channel_id, not a
+ // temporary one).
+
+ // First try to open a second channel with a temporary channel id equal to the txid-based one.
+ // Technically this is allowed by the spec, but we don't support it and there's little reason
+ // to. Still, it shouldn't cause any other issues.
+ open_chan_msg.temporary_channel_id = channel_id;
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_chan_msg);
+ {
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => {
+ // Technically, at this point, nodes[1] would be justified in thinking both
+ // channels are closed, but currently we do not, so we just move forward with it.
+ assert_eq!(msg.channel_id, open_chan_msg.temporary_channel_id);
+ assert_eq!(node_id, nodes[0].node.get_our_node_id());
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+
+ // Now try to create a second channel which has a duplicate funding output.
+ nodes[0].node.create_channel(nodes[1].node.get_our_node_id(), 100000, 10001, 42, None).unwrap();
+ let open_chan_2_msg = get_event_msg!(nodes[0], MessageSendEvent::SendOpenChannel, nodes[1].node.get_our_node_id());
+ nodes[1].node.handle_open_channel(&nodes[0].node.get_our_node_id(), InitFeatures::known(), &open_chan_2_msg);
+ nodes[0].node.handle_accept_channel(&nodes[1].node.get_our_node_id(), InitFeatures::known(), &get_event_msg!(nodes[1], MessageSendEvent::SendAcceptChannel, nodes[0].node.get_our_node_id()));
+ create_funding_transaction(&nodes[0], 100000, 42); // Get and check the FundingGenerationReady event
+
+ let funding_created = {
+ let mut a_channel_lock = nodes[0].node.channel_state.lock().unwrap();
+ let mut as_chan = a_channel_lock.by_id.get_mut(&open_chan_2_msg.temporary_channel_id).unwrap();
+ let logger = test_utils::TestLogger::new();
+ as_chan.get_outbound_funding_created(funding_outpoint, &&logger).unwrap()
+ };
+ check_added_monitors!(nodes[0], 0);
+ nodes[1].node.handle_funding_created(&nodes[0].node.get_our_node_id(), &funding_created);
+ // At this point we'll try to add a duplicate channel monitor, which will be rejected, but
+ // still needs to be cleared here.
+ check_added_monitors!(nodes[1], 1);
+
+ // ...still, nodes[1] will reject the duplicate channel.
+ {
+ let events = nodes[1].node.get_and_clear_pending_msg_events();
+ assert_eq!(events.len(), 1);
+ match events[0] {
+ MessageSendEvent::HandleError { action: ErrorAction::SendErrorMessage { ref msg }, node_id } => {
+ // Technically, at this point, nodes[1] would be justified in thinking both
+ // channels are closed, but currently we do not, so we just move forward with it.
+ assert_eq!(msg.channel_id, channel_id);
+ assert_eq!(node_id, nodes[0].node.get_our_node_id());
+ },
+ _ => panic!("Unexpected event"),
+ }
+ }
+
+ // finally, finish creating the original channel and send a payment over it to make sure
+ // everything is functional.
+ nodes[0].node.handle_funding_signed(&nodes[1].node.get_our_node_id(), &funding_signed_msg);
+ {
+ let mut added_monitors = nodes[0].chain_monitor.added_monitors.lock().unwrap();
+ assert_eq!(added_monitors.len(), 1);
+ assert_eq!(added_monitors[0].0, funding_output);
+ added_monitors.clear();
+ }
+
+ let events_4 = nodes[0].node.get_and_clear_pending_events();
+ assert_eq!(events_4.len(), 1);
+ match events_4[0] {
+ Event::FundingBroadcastSafe { ref funding_txo, user_channel_id } => {
+ assert_eq!(user_channel_id, 42);
+ assert_eq!(*funding_txo, funding_output);
+ },
+ _ => panic!("Unexpected event"),
+ };
+
+ let (funding_locked, _) = create_chan_between_nodes_with_value_confirm(&nodes[0], &nodes[1], &tx);
+ let (announcement, as_update, bs_update) = create_chan_between_nodes_with_value_b(&nodes[0], &nodes[1], &funding_locked);
+ update_nodes_with_chan_announce(&nodes, 0, 1, &announcement, &as_update, &bs_update);
+ send_payment(&nodes[0], &[&nodes[1]], 8000000, 8_000_000);
+}