/// SimpleArcChannelManager when you require a ChannelManager with a static lifetime, such as when
/// you're using lightning-net-tokio.
pub struct ChannelManager<ChanSigner: ChannelKeys, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
}
impl<ChanSigner: ChannelKeys, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> ChannelManager<ChanSigner, M, T, K, F, L>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
/// the ChannelManager as a listener to the BlockNotifier and call the BlockNotifier's
/// `block_(dis)connected` methods, which will notify all registered listeners in one
/// go.
- pub fn new(network: Network, fee_est: F, monitor: M, tx_broadcaster: T, logger: L, keys_manager: K, config: UserConfig, current_blockchain_height: usize) -> Result<ChannelManager<ChanSigner, M, T, K, F, L>, secp256k1::Error> {
+ pub fn new(network: Network, fee_est: F, monitor: M, tx_broadcaster: T, logger: L, keys_manager: K, config: UserConfig, current_blockchain_height: usize) -> Self {
let secp_ctx = Secp256k1::new();
- let res = ChannelManager {
+ ChannelManager {
default_configuration: config.clone(),
genesis_hash: genesis_block(network).header.bitcoin_hash(),
fee_estimator: fee_est,
keys_manager,
logger,
- };
-
- Ok(res)
+ }
}
/// Creates a new outbound channel to the given remote node and with the given value.
let config = if override_config.is_some() { override_config.as_ref().unwrap() } else { &self.default_configuration };
let channel = Channel::new_outbound(&self.fee_estimator, &self.keys_manager, their_network_key, channel_value_satoshis, push_msat, user_id, config)?;
- let res = channel.get_open_channel(self.genesis_hash.clone(), &self.fee_estimator);
+ let res = channel.get_open_channel(self.genesis_hash.clone());
let _ = self.total_consistency_lock.read().unwrap();
let mut channel_state = self.channel_state.lock().unwrap();
};
// Because we have exclusive ownership of the channel here we can release the channel_state
// lock before add_monitor
- if let Err(e) = self.monitor.add_monitor(monitor_update.get_funding_txo(), monitor_update) {
+ if let Err(e) = self.monitor.add_monitor(monitor_update.get_funding_txo().0, monitor_update) {
match e {
ChannelMonitorUpdateErr::PermanentFailure => {
// Note that we reply with the new channel_id in error messages if we gave up on the
//encrypted with the same key. It's not immediately obvious how to usefully exploit that,
//but we should prevent it anyway.
- let (mut pending_forward_info, mut channel_state_lock) = self.decode_update_add_htlc_onion(msg);
+ let (pending_forward_info, mut channel_state_lock) = self.decode_update_add_htlc_onion(msg);
let channel_state = &mut *channel_state_lock;
match channel_state.by_id.entry(msg.channel_id) {
if chan.get().get_their_node_id() != *their_node_id {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!", msg.channel_id));
}
- if !chan.get().is_usable() {
+
+ let create_pending_htlc_status = |chan: &Channel<ChanSigner>, pending_forward_info: PendingHTLCStatus, error_code: u16| {
+ // Ensure error_code has the UPDATE flag set, since by default we send a
+ // channel update along as part of failing the HTLC.
+ assert!((error_code & 0x1000) != 0);
// If the update_add is completely bogus, the call will Err and we will close,
// but if we've sent a shutdown and they haven't acknowledged it yet, we just
// want to reject the new HTLC and fail it backwards instead of forwarding.
- if let PendingHTLCStatus::Forward(PendingHTLCInfo { incoming_shared_secret, .. }) = pending_forward_info {
- let chan_update = self.get_channel_update(chan.get());
- pending_forward_info = PendingHTLCStatus::Fail(HTLCFailureMsg::Relay(msgs::UpdateFailHTLC {
- channel_id: msg.channel_id,
- htlc_id: msg.htlc_id,
- reason: if let Ok(update) = chan_update {
- // TODO: Note that |20 is defined as "channel FROM the processing
- // node has been disabled" (emphasis mine), which seems to imply
- // that we can't return |20 for an inbound channel being disabled.
- // This probably needs a spec update but should definitely be
- // allowed.
- onion_utils::build_first_hop_failure_packet(&incoming_shared_secret, 0x1000|20, &{
+ match pending_forward_info {
+ PendingHTLCStatus::Forward(PendingHTLCInfo { ref incoming_shared_secret, .. }) => {
+ let reason = if let Ok(upd) = self.get_channel_update(chan) {
+ onion_utils::build_first_hop_failure_packet(incoming_shared_secret, error_code, &{
let mut res = Vec::with_capacity(8 + 128);
- res.extend_from_slice(&byte_utils::be16_to_array(update.contents.flags));
- res.extend_from_slice(&update.encode_with_len()[..]);
+ res.extend_from_slice(&byte_utils::be16_to_array(upd.contents.flags));
+ res.extend_from_slice(&upd.encode_with_len()[..]);
res
}[..])
} else {
- // This can only happen if the channel isn't in the fully-funded
- // state yet, implying our counterparty is trying to route payments
- // over the channel back to themselves (cause no one else should
- // know the short_id is a lightning channel yet). We should have no
- // problem just calling this unknown_next_peer
- onion_utils::build_first_hop_failure_packet(&incoming_shared_secret, 0x4000|10, &[])
- },
- }));
+ // The only case where we'd be unable to
+ // successfully get a channel update is if the
+ // channel isn't in the fully-funded state yet,
+ // implying our counterparty is trying to route
+ // payments over the channel back to themselves
+ // (cause no one else should know the short_id
+ // is a lightning channel yet). We should have
+ // no problem just calling this
+ // unknown_next_peer (0x4000|10).
+ onion_utils::build_first_hop_failure_packet(incoming_shared_secret, 0x4000|10, &[])
+ };
+ let msg = msgs::UpdateFailHTLC {
+ channel_id: msg.channel_id,
+ htlc_id: msg.htlc_id,
+ reason
+ };
+ PendingHTLCStatus::Fail(HTLCFailureMsg::Relay(msg))
+ },
+ _ => pending_forward_info
}
- }
- try_chan_entry!(self, chan.get_mut().update_add_htlc(&msg, pending_forward_info), channel_state, chan);
+ };
+ try_chan_entry!(self, chan.get_mut().update_add_htlc(&msg, pending_forward_info, create_pending_htlc_status, &self.logger), channel_state, chan);
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel", msg.channel_id))
}
/// PeerManager::process_events afterwards.
/// Note: This API is likely to change!
#[doc(hidden)]
- pub fn update_fee(&self, channel_id: [u8;32], feerate_per_kw: u64) -> Result<(), APIError> {
+ pub fn update_fee(&self, channel_id: [u8;32], feerate_per_kw: u32) -> Result<(), APIError> {
let _ = self.total_consistency_lock.read().unwrap();
let their_node_id;
let err: Result<(), _> = loop {
}
impl<ChanSigner: ChannelKeys, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> events::MessageSendEventsProvider for ChannelManager<ChanSigner, M, T, K, F, L>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
}
impl<ChanSigner: ChannelKeys, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> events::EventsProvider for ChannelManager<ChanSigner, M, T, K, F, L>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
impl<ChanSigner: ChannelKeys, M: Deref + Sync + Send, T: Deref + Sync + Send, K: Deref + Sync + Send, F: Deref + Sync + Send, L: Deref + Sync + Send>
ChainListener for ChannelManager<ChanSigner, M, T, K, F, L>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
L::Target: Logger,
{
- fn block_connected(&self, header: &BlockHeader, height: u32, txn_matched: &[&Transaction], indexes_of_txn_matched: &[u32]) {
+ fn block_connected(&self, header: &BlockHeader, height: u32, txn_matched: &[&Transaction], indexes_of_txn_matched: &[usize]) {
let header_hash = header.bitcoin_hash();
log_trace!(self.logger, "Block {} at height {} connected with {} txn matched", header_hash, height, txn_matched.len());
let _ = self.total_consistency_lock.read().unwrap();
impl<ChanSigner: ChannelKeys, M: Deref + Sync + Send, T: Deref + Sync + Send, K: Deref + Sync + Send, F: Deref + Sync + Send, L: Deref + Sync + Send>
ChannelMessageHandler for ChannelManager<ChanSigner, M, T, K, F, L>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
}
impl<ChanSigner: ChannelKeys + Writeable, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref> Writeable for ChannelManager<ChanSigner, M, T, K, F, L>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
/// 6) Disconnect/connect blocks on the ChannelManager.
/// 7) Register the new ChannelManager with your ChainWatchInterface.
pub struct ChannelManagerReadArgs<'a, ChanSigner: 'a + ChannelKeys, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
// SipmleArcChannelManager type:
impl<'a, ChanSigner: ChannelKeys + Readable, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
ReadableArgs<ChannelManagerReadArgs<'a, ChanSigner, M, T, K, F, L>> for (BlockHash, Arc<ChannelManager<ChanSigner, M, T, K, F, L>>)
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
impl<'a, ChanSigner: ChannelKeys + Readable, M: Deref, T: Deref, K: Deref, F: Deref, L: Deref>
ReadableArgs<ChannelManagerReadArgs<'a, ChanSigner, M, T, K, F, L>> for (BlockHash, ChannelManager<ChanSigner, M, T, K, F, L>)
- where M::Target: ManyChannelMonitor<ChanSigner>,
+ where M::Target: ManyChannelMonitor<Keys=ChanSigner>,
T::Target: BroadcasterInterface,
K::Target: KeysInterface<ChanKeySigner = ChanSigner>,
F::Target: FeeEstimator,
projects / rust-lightning / blobdiff