/// for broadcast messages, where ordering isn't as strict).
pub(super) pending_msg_events: Vec<events::MessageSendEvent>,
}
-pub(super) struct MutChannelHolder<'a, ChanSigner: ChannelKeys + 'a> {
- pub(super) by_id: &'a mut HashMap<[u8; 32], Channel<ChanSigner>>,
- pub(super) short_to_id: &'a mut HashMap<u64, [u8; 32]>,
- pub(super) forward_htlcs: &'a mut HashMap<u64, Vec<HTLCForwardInfo>>,
- pub(super) claimable_htlcs: &'a mut HashMap<PaymentHash, Vec<(u64, HTLCPreviousHopData)>>,
- pub(super) pending_msg_events: &'a mut Vec<events::MessageSendEvent>,
-}
-impl<ChanSigner: ChannelKeys> ChannelHolder<ChanSigner> {
- pub(super) fn borrow_parts(&mut self) -> MutChannelHolder<ChanSigner> {
- MutChannelHolder {
- by_id: &mut self.by_id,
- short_to_id: &mut self.short_to_id,
- forward_htlcs: &mut self.forward_htlcs,
- claimable_htlcs: &mut self.claimable_htlcs,
- pending_msg_events: &mut self.pending_msg_events,
- }
- }
-}
#[cfg(not(any(target_pointer_width = "32", target_pointer_width = "64")))]
const ERR: () = "You need at least 32 bit pointers (well, usize, but we'll assume they're the same) for ChannelManager::latest_block_height";
let (mut failed_htlcs, chan_option) = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(channel_id.clone()) {
hash_map::Entry::Occupied(mut chan_entry) => {
let (shutdown_msg, failed_htlcs) = chan_entry.get_mut().get_shutdown()?;
let mut chan = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
if let Some(chan) = channel_state.by_id.remove(channel_id) {
if let Some(short_id) = chan.get_short_channel_id() {
channel_state.short_to_id.remove(&short_id);
Some(id) => id.clone(),
};
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
if let hash_map::Entry::Occupied(mut chan) = channel_state.by_id.entry(id) {
match {
if chan.get().get_their_node_id() != route.hops.first().unwrap().pubkey {
let mut handle_errors = Vec::new();
{
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
for (short_chan_id, mut pending_forwards) in channel_state.forward_htlcs.drain() {
if short_chan_id != 0 {
pub fn timer_chan_freshness_every_min(&self) {
let _ = self.total_consistency_lock.read().unwrap();
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
- for (_, chan) in channel_state.by_id {
+ let channel_state = &mut *channel_state_lock;
+ for (_, chan) in channel_state.by_id.iter_mut() {
if chan.is_disabled_staged() && !chan.is_live() {
if let Ok(update) = self.get_channel_update(&chan) {
channel_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
},
HTLCSource::PreviousHopData(HTLCPreviousHopData { short_channel_id, htlc_id, .. }) => {
//TODO: Delay the claimed_funds relaying just like we do outbound relay!
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
let chan_id = match channel_state.short_to_id.get(&short_channel_id) {
Some(chan_id) => chan_id.clone(),
{
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
- let short_to_id = channel_state.short_to_id;
- let pending_msg_events = channel_state.pending_msg_events;
+ let channel_state = &mut *channel_lock;
+ let short_to_id = &mut channel_state.short_to_id;
+ let pending_msg_events = &mut channel_state.pending_msg_events;
channel_state.by_id.retain(|_, channel| {
if channel.is_awaiting_monitor_update() {
let chan_monitor = channel.channel_monitor().clone();
let channel = Channel::new_from_req(&*self.fee_estimator, &self.keys_manager, their_node_id.clone(), their_features, msg, 0, Arc::clone(&self.logger), &self.default_configuration)
.map_err(|e| MsgHandleErrInternal::from_chan_no_close(e, msg.temporary_channel_id))?;
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(channel.channel_id()) {
hash_map::Entry::Occupied(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("temporary_channel_id collision!", msg.temporary_channel_id.clone())),
hash_map::Entry::Vacant(entry) => {
fn internal_accept_channel(&self, their_node_id: &PublicKey, their_features: InitFeatures, msg: &msgs::AcceptChannel) -> Result<(), MsgHandleErrInternal> {
let (value, output_script, user_id) = {
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
match channel_state.by_id.entry(msg.temporary_channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_funding_created(&self, their_node_id: &PublicKey, msg: &msgs::FundingCreated) -> Result<(), MsgHandleErrInternal> {
let ((funding_msg, monitor_update), mut chan) = {
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
match channel_state.by_id.entry(msg.temporary_channel_id.clone()) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
}
}
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(funding_msg.channel_id) {
hash_map::Entry::Occupied(_) => {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Already had channel with the new channel_id", funding_msg.channel_id))
fn internal_funding_signed(&self, their_node_id: &PublicKey, msg: &msgs::FundingSigned) -> Result<(), MsgHandleErrInternal> {
let (funding_txo, user_id) = {
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_funding_locked(&self, their_node_id: &PublicKey, msg: &msgs::FundingLocked) -> Result<(), MsgHandleErrInternal> {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_shutdown(&self, their_node_id: &PublicKey, msg: &msgs::Shutdown) -> Result<(), MsgHandleErrInternal> {
let (mut dropped_htlcs, chan_option) = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id.clone()) {
hash_map::Entry::Occupied(mut chan_entry) => {
fn internal_closing_signed(&self, their_node_id: &PublicKey, msg: &msgs::ClosingSigned) -> Result<(), MsgHandleErrInternal> {
let (tx, chan_option) = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id.clone()) {
hash_map::Entry::Occupied(mut chan_entry) => {
if chan_entry.get().get_their_node_id() != *their_node_id {
//but we should prevent it anyway.
let (mut pending_forward_info, mut channel_state_lock) = self.decode_update_add_htlc_onion(msg);
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
fn internal_update_fulfill_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), MsgHandleErrInternal> {
let mut channel_lock = self.channel_state.lock().unwrap();
let htlc_source = {
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_update_fail_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailHTLC) -> Result<(), MsgHandleErrInternal> {
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_update_fail_malformed_htlc(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFailMalformedHTLC) -> Result<(), MsgHandleErrInternal> {
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_commitment_signed(&self, their_node_id: &PublicKey, msg: &msgs::CommitmentSigned) -> Result<(), MsgHandleErrInternal> {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_revoke_and_ack(&self, their_node_id: &PublicKey, msg: &msgs::RevokeAndACK) -> Result<(), MsgHandleErrInternal> {
let (pending_forwards, mut pending_failures, short_channel_id) = {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_update_fee(&self, their_node_id: &PublicKey, msg: &msgs::UpdateFee) -> Result<(), MsgHandleErrInternal> {
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
+ let channel_state = &mut *channel_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
if chan.get().get_their_node_id() != *their_node_id {
fn internal_announcement_signatures(&self, their_node_id: &PublicKey, msg: &msgs::AnnouncementSignatures) -> Result<(), MsgHandleErrInternal> {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
fn internal_channel_reestablish(&self, their_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<(), MsgHandleErrInternal> {
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id) {
hash_map::Entry::Occupied(mut chan) => {
let mut channel_state_lock = self.channel_state.lock().unwrap();
let their_node_id;
let err: Result<(), _> = loop {
- let channel_state = channel_state_lock.borrow_parts();
+ let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(channel_id) {
hash_map::Entry::Vacant(_) => return Err(APIError::APIMisuseError{err: "Failed to find corresponding channel"}),
let mut failed_channels = Vec::new();
{
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
- let short_to_id = channel_state.short_to_id;
- let pending_msg_events = channel_state.pending_msg_events;
+ let channel_state = &mut *channel_lock;
+ let short_to_id = &mut channel_state.short_to_id;
+ let pending_msg_events = &mut channel_state.pending_msg_events;
channel_state.by_id.retain(|_, channel| {
let chan_res = channel.block_connected(header, height, txn_matched, indexes_of_txn_matched);
if let Ok(Some(funding_locked)) = chan_res {
let mut failed_channels = Vec::new();
{
let mut channel_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_lock.borrow_parts();
- let short_to_id = channel_state.short_to_id;
- let pending_msg_events = channel_state.pending_msg_events;
+ let channel_state = &mut *channel_lock;
+ let short_to_id = &mut channel_state.short_to_id;
+ let pending_msg_events = &mut channel_state.pending_msg_events;
channel_state.by_id.retain(|_, v| {
if v.block_disconnected(header) {
if let Some(short_id) = v.get_short_channel_id() {
let mut failed_payments = Vec::new();
{
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
- let short_to_id = channel_state.short_to_id;
- let pending_msg_events = channel_state.pending_msg_events;
+ let channel_state = &mut *channel_state_lock;
+ let short_to_id = &mut channel_state.short_to_id;
+ let pending_msg_events = &mut channel_state.pending_msg_events;
if no_connection_possible {
log_debug!(self, "Failing all channels with {} due to no_connection_possible", log_pubkey!(their_node_id));
channel_state.by_id.retain(|_, chan| {
let _ = self.total_consistency_lock.read().unwrap();
let mut channel_state_lock = self.channel_state.lock().unwrap();
- let channel_state = channel_state_lock.borrow_parts();
- let pending_msg_events = channel_state.pending_msg_events;
+ let channel_state = &mut *channel_state_lock;
+ let pending_msg_events = &mut channel_state.pending_msg_events;
channel_state.by_id.retain(|_, chan| {
if chan.get_their_node_id() == *their_node_id {
if !chan.have_received_message() {
projects / rust-lightning / blobdiff