use bitcoin::blockdata::block::BlockHeader;
use bitcoin::blockdata::transaction::Transaction;
-use bitcoin::blockdata::constants::{genesis_block, ChainHash};
+use bitcoin::blockdata::constants::ChainHash;
use bitcoin::network::constants::Network;
use bitcoin::hashes::Hash;
}
#[inline]
fn from_finish_shutdown(err: String, channel_id: ChannelId, user_channel_id: u128, shutdown_res: ShutdownResult, channel_update: Option<msgs::ChannelUpdate>, channel_capacity: u64) -> Self {
+ let err_msg = msgs::ErrorMessage { channel_id, data: err.clone() };
+ let action = if let (Some(_), ..) = &shutdown_res {
+ // We have a closing `ChannelMonitorUpdate`, which means the channel was funded and we
+ // should disconnect our peer such that we force them to broadcast their latest
+ // commitment upon reconnecting.
+ msgs::ErrorAction::DisconnectPeer { msg: Some(err_msg) }
+ } else {
+ msgs::ErrorAction::SendErrorMessage { msg: err_msg }
+ };
Self {
- err: LightningError {
- err: err.clone(),
- action: msgs::ErrorAction::SendErrorMessage {
- msg: msgs::ErrorMessage {
- channel_id,
- data: err
- },
- },
- },
+ err: LightningError { err, action },
chan_id: Some((channel_id, user_channel_id)),
shutdown_finish: Some((shutdown_res, channel_update)),
channel_capacity: Some(channel_capacity)
L::Target: Logger,
{
default_configuration: UserConfig,
- genesis_hash: BlockHash,
+ chain_hash: ChainHash,
fee_estimator: LowerBoundedFeeEstimator<F>,
chain_monitor: M,
tx_broadcaster: T,
macro_rules! handle_monitor_update_completion {
($self: ident, $peer_state_lock: expr, $peer_state: expr, $per_peer_state_lock: expr, $chan: expr) => { {
let mut updates = $chan.monitor_updating_restored(&$self.logger,
- &$self.node_signer, $self.genesis_hash, &$self.default_configuration,
+ &$self.node_signer, $self.chain_hash, &$self.default_configuration,
$self.best_block.read().unwrap().height());
let counterparty_node_id = $chan.context.get_counterparty_node_id();
let channel_update = if updates.channel_ready.is_some() && $chan.context.is_usable() {
let expanded_inbound_key = inbound_payment::ExpandedKey::new(&inbound_pmt_key_material);
ChannelManager {
default_configuration: config.clone(),
- genesis_hash: genesis_block(params.network).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(params.network),
fee_estimator: LowerBoundedFeeEstimator::new(fee_est),
chain_monitor,
tx_broadcaster,
if cfg!(fuzzing) { // fuzzing chacha20 doesn't use the key at all so we always get the same alias
outbound_scid_alias += 1;
} else {
- outbound_scid_alias = fake_scid::Namespace::OutboundAlias.get_fake_scid(height, &self.genesis_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
+ outbound_scid_alias = fake_scid::Namespace::OutboundAlias.get_fake_scid(height, &self.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
}
if outbound_scid_alias != 0 && self.outbound_scid_aliases.lock().unwrap().insert(outbound_scid_alias) {
break;
},
}
};
- let res = channel.get_open_channel(self.genesis_hash.clone());
+ let res = channel.get_open_channel(self.chain_hash);
let temporary_channel_id = channel.context.channel_id();
match peer_state.channel_by_id.entry(temporary_channel_id) {
// it does not exist for this peer. Either way, we can attempt to force-close it.
//
// An appropriate error will be returned for non-existence of the channel if that's the case.
+ mem::drop(peer_state_lock);
+ mem::drop(per_peer_state);
return self.force_close_channel_with_peer(&channel_id, counterparty_node_id, None, false).map(|_| ())
},
}
peer_state.pending_msg_events.push(
events::MessageSendEvent::HandleError {
node_id: counterparty_node_id,
- action: msgs::ErrorAction::SendErrorMessage {
- msg: msgs::ErrorMessage { channel_id: *channel_id, data: "Channel force-closed".to_owned() }
+ action: msgs::ErrorAction::DisconnectPeer {
+ msg: Some(msgs::ErrorMessage { channel_id: *channel_id, data: "Channel force-closed".to_owned() })
},
}
);
// payment logic has enough time to fail the HTLC backward before our onchain logic triggers a
// channel closure (see HTLC_FAIL_BACK_BUFFER rationale).
let current_height: u32 = self.best_block.read().unwrap().height();
- if (outgoing_cltv_value as u64) <= current_height as u64 + HTLC_FAIL_BACK_BUFFER as u64 + 1 {
+ if cltv_expiry <= current_height + HTLC_FAIL_BACK_BUFFER + 1 {
let mut err_data = Vec::with_capacity(12);
err_data.extend_from_slice(&amt_msat.to_be_bytes());
err_data.extend_from_slice(¤t_height.to_be_bytes());
// Note that this is likely a timing oracle for detecting whether an scid is a
// phantom or an intercept.
if (self.default_configuration.accept_intercept_htlcs &&
- fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, outgoing_scid, &self.genesis_hash)) ||
- fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, outgoing_scid, &self.genesis_hash)
+ fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, outgoing_scid, &self.chain_hash)) ||
+ fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, outgoing_scid, &self.chain_hash)
{
None
} else {
};
let unsigned = msgs::UnsignedChannelUpdate {
- chain_hash: self.genesis_hash,
+ chain_hash: self.chain_hash,
short_channel_id,
timestamp: chan.context.get_update_time_counter(),
flags: (!were_node_one) as u8 | ((!enabled as u8) << 1),
for channel_id in channel_ids {
if !peer_state.has_channel(channel_id) {
return Err(APIError::ChannelUnavailable {
- err: format!("Channel with ID {} was not found for the passed counterparty_node_id {}", channel_id, counterparty_node_id),
+ err: format!("Channel with id {} not found for the passed counterparty node_id {}", channel_id, counterparty_node_id),
});
};
}
next_hop_channel_id, next_node_id)
}),
None => return Err(APIError::ChannelUnavailable {
- err: format!("Channel with id {} not found for the passed counterparty node_id {}.",
+ err: format!("Channel with id {} not found for the passed counterparty node_id {}",
next_hop_channel_id, next_node_id)
})
}
}
if let PendingHTLCRouting::Forward { onion_packet, .. } = routing {
let phantom_pubkey_res = self.node_signer.get_node_id(Recipient::PhantomNode);
- if phantom_pubkey_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id, &self.genesis_hash) {
+ if phantom_pubkey_res.is_ok() && fake_scid::is_valid_phantom(&self.fake_scid_rand_bytes, short_chan_id, &self.chain_hash) {
let phantom_shared_secret = self.node_signer.ecdh(Recipient::PhantomNode, &onion_packet.public_key.unwrap(), None).unwrap().secret_bytes();
let next_hop = match onion_utils::decode_next_payment_hop(
phantom_shared_secret, &onion_packet.hop_data, onion_packet.hmac,
}
}
}
- let (counterparty_node_id, forward_chan_id) = match self.short_to_chan_info.read().unwrap().get(&short_chan_id) {
- Some((cp_id, chan_id)) => (cp_id.clone(), chan_id.clone()),
+ let chan_info_opt = self.short_to_chan_info.read().unwrap().get(&short_chan_id).cloned();
+ let (counterparty_node_id, forward_chan_id) = match chan_info_opt {
+ Some((cp_id, chan_id)) => (cp_id, chan_id),
None => {
forwarding_channel_not_found!();
continue;
fn internal_open_channel(&self, counterparty_node_id: &PublicKey, msg: &msgs::OpenChannel) -> Result<(), MsgHandleErrInternal> {
// Note that the ChannelManager is NOT re-persisted on disk after this, so any changes are
// likely to be lost on restart!
- if msg.chain_hash != self.genesis_hash {
+ if msg.chain_hash != self.chain_hash {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Unknown genesis block hash".to_owned(), msg.temporary_channel_id.clone()));
}
hash_map::Entry::Occupied(mut chan_phase_entry) => {
if let ChannelPhase::Funded(chan) = chan_phase_entry.get_mut() {
let announcement_sigs_opt = try_chan_phase_entry!(self, chan.channel_ready(&msg, &self.node_signer,
- self.genesis_hash.clone(), &self.default_configuration, &self.best_block.read().unwrap(), &self.logger), chan_phase_entry);
+ self.chain_hash, &self.default_configuration, &self.best_block.read().unwrap(), &self.logger), chan_phase_entry);
if let Some(announcement_sigs) = announcement_sigs_opt {
log_trace!(self.logger, "Sending announcement_signatures for channel {}", chan.context.channel_id());
peer_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
},
hash_map::Entry::Vacant(entry) => {
if !is_our_scid && forward_info.incoming_amt_msat.is_some() &&
- fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, scid, &self.genesis_hash)
+ fake_scid::is_valid_intercept(&self.fake_scid_rand_bytes, scid, &self.chain_hash)
{
let intercept_id = InterceptId(Sha256::hash(&forward_info.incoming_shared_secret).into_inner());
let mut pending_intercepts = self.pending_intercepted_htlcs.lock().unwrap();
peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
msg: try_chan_phase_entry!(self, chan.announcement_signatures(
- &self.node_signer, self.genesis_hash.clone(), self.best_block.read().unwrap().height(),
+ &self.node_signer, self.chain_hash, self.best_block.read().unwrap().height(),
msg, &self.default_configuration
), chan_phase_entry),
// Note that announcement_signatures fails if the channel cannot be announced,
// freed HTLCs to fail backwards. If in the future we no longer drop pending
// add-HTLCs on disconnect, we may be handed HTLCs to fail backwards here.
let responses = try_chan_phase_entry!(self, chan.channel_reestablish(
- msg, &self.logger, &self.node_signer, self.genesis_hash,
+ msg, &self.logger, &self.node_signer, self.chain_hash,
&self.default_configuration, &*self.best_block.read().unwrap()), chan_phase_entry);
let mut channel_update = None;
if let Some(msg) = responses.shutdown_msg {
self.issue_channel_close_events(&chan.context, ClosureReason::HolderForceClosed);
pending_msg_events.push(events::MessageSendEvent::HandleError {
node_id: chan.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage {
- msg: msgs::ErrorMessage { channel_id: chan.context.channel_id(), data: "Channel force-closed".to_owned() }
+ action: msgs::ErrorAction::DisconnectPeer {
+ msg: Some(msgs::ErrorMessage { channel_id: chan.context.channel_id(), data: "Channel force-closed".to_owned() })
},
});
}
let best_block_height = self.best_block.read().unwrap().height();
let short_to_chan_info = self.short_to_chan_info.read().unwrap();
loop {
- let scid_candidate = fake_scid::Namespace::Phantom.get_fake_scid(best_block_height, &self.genesis_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
+ let scid_candidate = fake_scid::Namespace::Phantom.get_fake_scid(best_block_height, &self.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
// Ensure the generated scid doesn't conflict with a real channel.
match short_to_chan_info.get(&scid_candidate) {
Some(_) => continue,
let best_block_height = self.best_block.read().unwrap().height();
let short_to_chan_info = self.short_to_chan_info.read().unwrap();
loop {
- let scid_candidate = fake_scid::Namespace::Intercept.get_fake_scid(best_block_height, &self.genesis_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
+ let scid_candidate = fake_scid::Namespace::Intercept.get_fake_scid(best_block_height, &self.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
// Ensure the generated scid doesn't conflict with a real channel.
if short_to_chan_info.contains_key(&scid_candidate) { continue }
return scid_candidate
*best_block = BestBlock::new(header.prev_blockhash, new_height)
}
- self.do_chain_event(Some(new_height), |channel| channel.best_block_updated(new_height, header.time, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger));
+ self.do_chain_event(Some(new_height), |channel| channel.best_block_updated(new_height, header.time, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger));
}
}
let _persistence_guard =
PersistenceNotifierGuard::optionally_notify_skipping_background_events(
self, || -> NotifyOption { NotifyOption::DoPersist });
- self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger)
+ self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger)
.map(|(a, b)| (a, Vec::new(), b)));
let last_best_block_height = self.best_block.read().unwrap().height();
if height < last_best_block_height {
let timestamp = self.highest_seen_timestamp.load(Ordering::Acquire);
- self.do_chain_event(Some(last_best_block_height), |channel| channel.best_block_updated(last_best_block_height, timestamp as u32, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger));
+ self.do_chain_event(Some(last_best_block_height), |channel| channel.best_block_updated(last_best_block_height, timestamp as u32, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger));
}
}
self, || -> NotifyOption { NotifyOption::DoPersist });
*self.best_block.write().unwrap() = BestBlock::new(block_hash, height);
- self.do_chain_event(Some(height), |channel| channel.best_block_updated(height, header.time, self.genesis_hash.clone(), &self.node_signer, &self.default_configuration, &self.logger));
+ self.do_chain_event(Some(height), |channel| channel.best_block_updated(height, header.time, self.chain_hash, &self.node_signer, &self.default_configuration, &self.logger));
macro_rules! max_time {
($timestamp: expr) => {
msg: announcement_sigs,
});
if let Some(height) = height_opt {
- if let Some(announcement) = channel.get_signed_channel_announcement(&self.node_signer, self.genesis_hash, height, &self.default_configuration) {
+ if let Some(announcement) = channel.get_signed_channel_announcement(&self.node_signer, self.chain_hash, height, &self.default_configuration) {
pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
msg: announcement,
// Note that announcement_signatures fails if the channel cannot be announced,
self.issue_channel_close_events(&channel.context, reason);
pending_msg_events.push(events::MessageSendEvent::HandleError {
node_id: channel.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage { msg: msgs::ErrorMessage {
- channel_id: channel.context.channel_id(),
- data: reason_message,
- } },
+ action: msgs::ErrorAction::DisconnectPeer {
+ msg: Some(msgs::ErrorMessage {
+ channel_id: channel.context.channel_id(),
+ data: reason_message,
+ })
+ },
});
return false;
}
let mut peer_state_lock = peer_state_mutex_opt.unwrap().lock().unwrap();
let peer_state = &mut *peer_state_lock;
if let Some(ChannelPhase::UnfundedOutboundV1(chan)) = peer_state.channel_by_id.get_mut(&msg.channel_id) {
- if let Ok(msg) = chan.maybe_handle_error_without_close(self.genesis_hash, &self.fee_estimator) {
+ if let Ok(msg) = chan.maybe_handle_error_without_close(self.chain_hash, &self.fee_estimator) {
peer_state.pending_msg_events.push(events::MessageSendEvent::SendOpenChannel {
node_id: *counterparty_node_id,
msg,
provided_init_features(&self.default_configuration)
}
- fn get_genesis_hashes(&self) -> Option<Vec<ChainHash>> {
- Some(vec![ChainHash::from(&self.genesis_hash[..])])
+ fn get_chain_hashes(&self) -> Option<Vec<ChainHash>> {
+ Some(vec![self.chain_hash])
}
fn handle_tx_add_input(&self, counterparty_node_id: &PublicKey, msg: &msgs::TxAddInput) {
write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION);
- self.genesis_hash.write(writer)?;
+ self.chain_hash.write(writer)?;
{
let best_block = self.best_block.read().unwrap();
best_block.height().write(writer)?;
fn read<Reader: io::Read>(reader: &mut Reader, mut args: ChannelManagerReadArgs<'a, M, T, ES, NS, SP, F, R, L>) -> Result<Self, DecodeError> {
let _ver = read_ver_prefix!(reader, SERIALIZATION_VERSION);
- let genesis_hash: BlockHash = Readable::read(reader)?;
+ let chain_hash: ChainHash = Readable::read(reader)?;
let best_block_height: u32 = Readable::read(reader)?;
let best_block_hash: BlockHash = Readable::read(reader)?;
let mut outbound_scid_alias;
loop {
outbound_scid_alias = fake_scid::Namespace::OutboundAlias
- .get_fake_scid(best_block_height, &genesis_hash, fake_scid_rand_bytes.as_ref().unwrap(), &args.entropy_source);
+ .get_fake_scid(best_block_height, &chain_hash, fake_scid_rand_bytes.as_ref().unwrap(), &args.entropy_source);
if outbound_scid_aliases.insert(outbound_scid_alias) { break; }
}
chan.context.set_outbound_scid_alias(outbound_scid_alias);
}
let channel_manager = ChannelManager {
- genesis_hash,
+ chain_hash,
fee_estimator: bounded_fee_estimator,
chain_monitor: args.chain_monitor,
tx_broadcaster: args.tx_broadcaster,
check_api_error_message(expected_message, res_err)
}
+ fn check_channel_unavailable_error<T>(res_err: Result<T, APIError>, expected_channel_id: ChannelId, peer_node_id: PublicKey) {
+ let expected_message = format!("Channel with id {} not found for the passed counterparty node_id {}", expected_channel_id, peer_node_id);
+ check_api_error_message(expected_message, res_err)
+ }
+
+ fn check_api_misuse_error<T>(res_err: Result<T, APIError>) {
+ let expected_message = "No such channel awaiting to be accepted.".to_string();
+ check_api_error_message(expected_message, res_err)
+ }
+
fn check_api_error_message<T>(expected_err_message: String, res_err: Result<T, APIError>) {
match res_err {
Err(APIError::APIMisuseError { err }) => {
check_unkown_peer_error(nodes[0].node.update_channel_config(&unkown_public_key, &[channel_id], &ChannelConfig::default()), unkown_public_key);
}
+ #[test]
+ fn test_api_calls_with_unavailable_channel() {
+ // Tests that our API functions that expects a `counterparty_node_id` and a `channel_id`
+ // as input, behaves as expected if the `counterparty_node_id` is a known peer in the
+ // `ChannelManager::per_peer_state` map, but the peer state doesn't contain a channel with
+ // the given `channel_id`.
+ let chanmon_cfg = create_chanmon_cfgs(2);
+ let node_cfg = create_node_cfgs(2, &chanmon_cfg);
+ let node_chanmgr = create_node_chanmgrs(2, &node_cfg, &[None, None]);
+ let nodes = create_network(2, &node_cfg, &node_chanmgr);
+
+ let counterparty_node_id = nodes[1].node.get_our_node_id();
+
+ // Dummy values
+ let channel_id = ChannelId::from_bytes([4; 32]);
+
+ // Test the API functions.
+ check_api_misuse_error(nodes[0].node.accept_inbound_channel(&channel_id, &counterparty_node_id, 42));
+
+ check_channel_unavailable_error(nodes[0].node.close_channel(&channel_id, &counterparty_node_id), channel_id, counterparty_node_id);
+
+ check_channel_unavailable_error(nodes[0].node.force_close_broadcasting_latest_txn(&channel_id, &counterparty_node_id), channel_id, counterparty_node_id);
+
+ check_channel_unavailable_error(nodes[0].node.force_close_without_broadcasting_txn(&channel_id, &counterparty_node_id), channel_id, counterparty_node_id);
+
+ check_channel_unavailable_error(nodes[0].node.forward_intercepted_htlc(InterceptId([0; 32]), &channel_id, counterparty_node_id, 1_000_000), channel_id, counterparty_node_id);
+
+ check_channel_unavailable_error(nodes[0].node.update_channel_config(&counterparty_node_id, &[channel_id], &ChannelConfig::default()), channel_id, counterparty_node_id);
+ }
+
#[test]
fn test_connection_limiting() {
// Test that we limit un-channel'd peers and un-funded channels properly.
sender_intended_amt_msat - extra_fee_msat, 42, None, true, Some(extra_fee_msat)).is_ok());
}
+ #[test]
+ fn test_final_incorrect_cltv(){
+ let chanmon_cfg = create_chanmon_cfgs(1);
+ let node_cfg = create_node_cfgs(1, &chanmon_cfg);
+ let node_chanmgr = create_node_chanmgrs(1, &node_cfg, &[None]);
+ let node = create_network(1, &node_cfg, &node_chanmgr);
+
+ let result = node[0].node.construct_recv_pending_htlc_info(msgs::InboundOnionPayload::Receive {
+ amt_msat: 100,
+ outgoing_cltv_value: 22,
+ payment_metadata: None,
+ keysend_preimage: None,
+ payment_data: Some(msgs::FinalOnionHopData {
+ payment_secret: PaymentSecret([0; 32]), total_msat: 100,
+ }),
+ custom_tlvs: Vec::new(),
+ }, [0; 32], PaymentHash([0; 32]), 100, 23, None, true, None);
+
+ // Should not return an error as this condition:
+ // https://github.com/lightning/bolts/blob/4dcc377209509b13cf89a4b91fde7d478f5b46d8/04-onion-routing.md?plain=1#L334
+ // is not satisfied.
+ assert!(result.is_ok());
+ }
+
#[test]
fn test_inbound_anchors_manual_acceptance() {
// Tests that we properly limit inbound channels when we have the manual-channel-acceptance