})
}
+ // Only public for testing, this should otherwise never be called direcly
+ pub(crate) fn send_payment_along_path(&self, path: &Vec<RouteHop>, payment_hash: &PaymentHash, payment_secret: &Option<PaymentSecret>, total_value: u64, cur_height: u32) -> Result<(), APIError> {
+ log_trace!(self, "Attempting to send payment for path with next hop {}", path.first().unwrap().short_channel_id);
+ let (session_priv, prng_seed) = self.keys_manager.get_onion_rand();
+
+ let onion_keys = onion_utils::construct_onion_keys(&self.secp_ctx, &path, &session_priv)
+ .map_err(|_| APIError::RouteError{err: "Pubkey along hop was maliciously selected"})?;
+ let (onion_payloads, htlc_msat, htlc_cltv) = onion_utils::build_onion_payloads(path, total_value, payment_secret, cur_height)?;
+ if onion_utils::route_size_insane(&onion_payloads) {
+ return Err(APIError::RouteError{err: "Route size too large considering onion data"});
+ }
+ let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, prng_seed, payment_hash);
+
+ let _ = self.total_consistency_lock.read().unwrap();
+
+ let err: Result<(), _> = loop {
+ let mut channel_lock = self.channel_state.lock().unwrap();
+ let id = match channel_lock.short_to_id.get(&path.first().unwrap().short_channel_id) {
+ None => return Err(APIError::ChannelUnavailable{err: "No channel available with first hop!"}),
+ Some(id) => id.clone(),
+ };
+
+ 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() != path.first().unwrap().pubkey {
+ return Err(APIError::RouteError{err: "Node ID mismatch on first hop!"});
+ }
+ if !chan.get().is_live() {
+ return Err(APIError::ChannelUnavailable{err: "Peer for first hop currently disconnected/pending monitor update!"});
+ }
+ break_chan_entry!(self, chan.get_mut().send_htlc_and_commit(htlc_msat, payment_hash.clone(), htlc_cltv, HTLCSource::OutboundRoute {
+ path: path.clone(),
+ session_priv: session_priv.clone(),
+ first_hop_htlc_msat: htlc_msat,
+ }, onion_packet), channel_state, chan)
+ } {
+ Some((update_add, commitment_signed, monitor_update)) => {
+ if let Err(e) = self.monitor.update_monitor(chan.get().get_funding_txo().unwrap(), monitor_update) {
+ maybe_break_monitor_err!(self, e, channel_state, chan, RAACommitmentOrder::CommitmentFirst, false, true);
+ // Note that MonitorUpdateFailed here indicates (per function docs)
+ // that we will resend the commitment update once monitor updating
+ // is restored. Therefore, we must return an error indicating that
+ // it is unsafe to retry the payment wholesale, which we do in the
+ // send_payment check for MonitorUpdateFailed, below.
+ return Err(APIError::MonitorUpdateFailed);
+ }
+
+ channel_state.pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
+ node_id: path.first().unwrap().pubkey,
+ updates: msgs::CommitmentUpdate {
+ update_add_htlcs: vec![update_add],
+ update_fulfill_htlcs: Vec::new(),
+ update_fail_htlcs: Vec::new(),
+ update_fail_malformed_htlcs: Vec::new(),
+ update_fee: None,
+ commitment_signed,
+ },
+ });
+ },
+ None => {},
+ }
+ } else { unreachable!(); }
+ return Ok(());
+ };
+
+ match handle_error!(self, err, path.first().unwrap().pubkey) {
+ Ok(_) => unreachable!(),
+ Err(e) => {
+ Err(APIError::ChannelUnavailable { err: e.err })
+ },
+ }
+ }
+
/// Sends a payment along a given route.
///
/// Value parameters are provided via the last hop in route, see documentation for RouteHop
let cur_height = self.latest_block_height.load(Ordering::Acquire) as u32 + 1;
let mut results = Vec::new();
- 'path_loop: for path in route.paths.iter() {
- macro_rules! check_res_push {
- ($res: expr) => { match $res {
- Ok(r) => r,
- Err(e) => {
- results.push(Err(e));
- continue 'path_loop;
- },
- }
- }
- }
-
- log_trace!(self, "Attempting to send payment for path with next hop {}", path.first().unwrap().short_channel_id);
- let (session_priv, prng_seed) = self.keys_manager.get_onion_rand();
-
- let onion_keys = check_res_push!(onion_utils::construct_onion_keys(&self.secp_ctx, &path, &session_priv)
- .map_err(|_| APIError::RouteError{err: "Pubkey along hop was maliciously selected"}));
- let (onion_payloads, htlc_msat, htlc_cltv) = check_res_push!(onion_utils::build_onion_payloads(&path, total_value, payment_secret, cur_height));
- if onion_utils::route_size_insane(&onion_payloads) {
- check_res_push!(Err(APIError::RouteError{err: "Route size too large considering onion data"}));
- }
- let onion_packet = onion_utils::construct_onion_packet(onion_payloads, onion_keys, prng_seed, &payment_hash);
-
- let _ = self.total_consistency_lock.read().unwrap();
-
- let err: Result<(), _> = loop {
- let mut channel_lock = self.channel_state.lock().unwrap();
- let id = match channel_lock.short_to_id.get(&path.first().unwrap().short_channel_id) {
- None => check_res_push!(Err(APIError::ChannelUnavailable{err: "No channel available with first hop!"})),
- Some(id) => id.clone(),
- };
-
- 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() != path.first().unwrap().pubkey {
- check_res_push!(Err(APIError::RouteError{err: "Node ID mismatch on first hop!"}));
- }
- if !chan.get().is_live() {
- check_res_push!(Err(APIError::ChannelUnavailable{err: "Peer for first hop currently disconnected/pending monitor update!"}));
- }
- break_chan_entry!(self, chan.get_mut().send_htlc_and_commit(htlc_msat, payment_hash.clone(), htlc_cltv, HTLCSource::OutboundRoute {
- path: path.clone(),
- session_priv: session_priv.clone(),
- first_hop_htlc_msat: htlc_msat,
- }, onion_packet), channel_state, chan)
- } {
- Some((update_add, commitment_signed, monitor_update)) => {
- if let Err(e) = self.monitor.update_monitor(chan.get().get_funding_txo().unwrap(), monitor_update) {
- maybe_break_monitor_err!(self, e, channel_state, chan, RAACommitmentOrder::CommitmentFirst, false, true);
- // Note that MonitorUpdateFailed here indicates (per function docs)
- // that we will resend the commitment update once monitor updating
- // is restored. Therefore, we must return an error indicating that
- // it is unsafe to retry the payment wholesale, which we do in the
- // next check for MonitorUpdateFailed, below.
- check_res_push!(Err(APIError::MonitorUpdateFailed));
- }
-
- channel_state.pending_msg_events.push(events::MessageSendEvent::UpdateHTLCs {
- node_id: path.first().unwrap().pubkey,
- updates: msgs::CommitmentUpdate {
- update_add_htlcs: vec![update_add],
- update_fulfill_htlcs: Vec::new(),
- update_fail_htlcs: Vec::new(),
- update_fail_malformed_htlcs: Vec::new(),
- update_fee: None,
- commitment_signed,
- },
- });
- },
- None => {},
- }
- } else { unreachable!(); }
- results.push(Ok(()));
- continue 'path_loop;
- };
-
- match handle_error!(self, err, path.first().unwrap().pubkey) {
- Ok(_) => unreachable!(),
- Err(e) => {
- check_res_push!(Err(APIError::ChannelUnavailable { err: e.err }));
- },
- }
+ for path in route.paths.iter() {
+ results.push(self.send_payment_along_path(&path, &payment_hash, payment_secret, total_value, cur_height));
}
let mut has_ok = false;
let mut has_err = false;
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 {
- pending_msg_events.push(events::MessageSendEvent::SendFundingLocked {
- node_id: channel.get_their_node_id(),
- msg: funding_locked,
- });
- if let Some(announcement_sigs) = self.get_announcement_sigs(channel) {
- log_trace!(self, "Sending funding_locked and announcement_signatures for {}", log_bytes!(channel.channel_id()));
- pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
+ let res = channel.block_connected(header, height, txn_matched, indexes_of_txn_matched);
+ if let Ok((chan_res, mut timed_out_pending_htlcs)) = res {
+ for (source, payment_hash) in timed_out_pending_htlcs.drain(..) {
+ let chan_update = self.get_channel_update(&channel).map(|u| u.encode_with_len()).unwrap(); // Cannot add/recv HTLCs before we have a short_id so unwrap is safe
+ timed_out_htlcs.push((source, payment_hash, HTLCFailReason::Reason {
+ failure_code: 0x1000 | 14, // expiry_too_soon, or at least it is now
+ data: chan_update,
+ }));
+ }
+ if let Some(funding_locked) = chan_res {
+ pending_msg_events.push(events::MessageSendEvent::SendFundingLocked {
node_id: channel.get_their_node_id(),
- msg: announcement_sigs,
+ msg: funding_locked,
});
- } else {
- log_trace!(self, "Sending funding_locked WITHOUT announcement_signatures for {}", log_bytes!(channel.channel_id()));
+ if let Some(announcement_sigs) = self.get_announcement_sigs(channel) {
+ log_trace!(self, "Sending funding_locked and announcement_signatures for {}", log_bytes!(channel.channel_id()));
+ pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
+ node_id: channel.get_their_node_id(),
+ msg: announcement_sigs,
+ });
+ } else {
+ log_trace!(self, "Sending funding_locked WITHOUT announcement_signatures for {}", log_bytes!(channel.channel_id()));
+ }
+ short_to_id.insert(channel.get_short_channel_id().unwrap(), channel.channel_id());
}
- short_to_id.insert(channel.get_short_channel_id().unwrap(), channel.channel_id());
- } else if let Err(e) = chan_res {
+ } else if let Err(e) = res {
pending_msg_events.push(events::MessageSendEvent::HandleError {
node_id: channel.get_their_node_id(),
action: msgs::ErrorAction::SendErrorMessage { msg: e },
}
for (source, payment_hash, reason) in timed_out_htlcs.drain(..) {
- // Call it incorrect_or_unknown_payment_details as the issue, ultimately, is that the
- // user failed to provide us a preimage within the cltv_expiry time window.
self.fail_htlc_backwards_internal(self.channel_state.lock().unwrap(), source, &payment_hash, reason);
}
self.latest_block_height.store(height as usize, Ordering::Release);
projects / rust-lightning / blobdiff