use ln::{PaymentHash, PaymentPreimage, PaymentSecret};
use ln::channel::{Channel, ChannelError, ChannelUpdateStatus, UpdateFulfillCommitFetch};
use ln::features::{InitFeatures, NodeFeatures};
-use routing::router::{Payee, Route, RouteHop, RoutePath, RouteParameters};
+use routing::router::{PaymentParameters, Route, RouteHop, RoutePath, RouteParameters};
use ln::msgs;
use ln::msgs::NetAddress;
use ln::onion_utils;
use std::time::Instant;
mod inbound_payment {
+ use alloc::string::ToString;
use bitcoin::hashes::{Hash, HashEngine};
use bitcoin::hashes::cmp::fixed_time_eq;
use bitcoin::hashes::hmac::{Hmac, HmacEngine};
use bitcoin::hashes::sha256::Hash as Sha256;
use chain::keysinterface::{KeyMaterial, KeysInterface, Sign};
use ln::{PaymentHash, PaymentPreimage, PaymentSecret};
+ use ln::channelmanager::APIError;
use ln::msgs;
use ln::msgs::MAX_VALUE_MSAT;
use util::chacha20::ChaCha20;
pub(super) fn verify<L: Deref>(payment_hash: PaymentHash, payment_data: msgs::FinalOnionHopData, highest_seen_timestamp: u64, keys: &ExpandedKey, logger: &L) -> Result<Option<PaymentPreimage>, ()>
where L::Target: Logger
{
- let mut iv_bytes = [0; IV_LEN];
- let (iv_slice, encrypted_metadata_bytes) = payment_data.payment_secret.0.split_at(IV_LEN);
- iv_bytes.copy_from_slice(iv_slice);
-
- let chacha_block = ChaCha20::get_single_block(&keys.metadata_key, &iv_bytes);
- let mut metadata_bytes: [u8; METADATA_LEN] = [0; METADATA_LEN];
- for i in 0..METADATA_LEN {
- metadata_bytes[i] = chacha_block[i] ^ encrypted_metadata_bytes[i];
- }
+ let (iv_bytes, metadata_bytes) = decrypt_metadata(payment_data.payment_secret, keys);
let payment_type_res = Method::from_bits((metadata_bytes[0] & 0b1110_0000) >> METHOD_TYPE_OFFSET);
let mut amt_msat_bytes = [0; AMT_MSAT_LEN];
}
},
Ok(Method::LdkPaymentHash) => {
- let mut hmac = HmacEngine::<Sha256>::new(&keys.ldk_pmt_hash_key);
- hmac.input(&iv_bytes);
- hmac.input(&metadata_bytes);
- let decoded_payment_preimage = Hmac::from_engine(hmac).into_inner();
- if !fixed_time_eq(&payment_hash.0, &Sha256::hash(&decoded_payment_preimage).into_inner()) {
- log_trace!(logger, "Failing HTLC with payment_hash {}: payment preimage {} did not match", log_bytes!(payment_hash.0), log_bytes!(decoded_payment_preimage));
- return Err(())
+ match derive_ldk_payment_preimage(payment_hash, &iv_bytes, &metadata_bytes, keys) {
+ Ok(preimage) => payment_preimage = Some(preimage),
+ Err(bad_preimage_bytes) => {
+ log_trace!(logger, "Failing HTLC with payment_hash {} due to mismatching preimage {}", log_bytes!(payment_hash.0), log_bytes!(bad_preimage_bytes));
+ return Err(())
+ }
}
- payment_preimage = Some(PaymentPreimage(decoded_payment_preimage));
},
Err(unknown_bits) => {
log_trace!(logger, "Failing HTLC with payment hash {} due to unknown payment type {}", log_bytes!(payment_hash.0), unknown_bits);
Ok(payment_preimage)
}
+ pub(super) fn get_payment_preimage(payment_hash: PaymentHash, payment_secret: PaymentSecret, keys: &ExpandedKey) -> Result<PaymentPreimage, APIError> {
+ let (iv_bytes, metadata_bytes) = decrypt_metadata(payment_secret, keys);
+
+ match Method::from_bits((metadata_bytes[0] & 0b1110_0000) >> METHOD_TYPE_OFFSET) {
+ Ok(Method::LdkPaymentHash) => {
+ derive_ldk_payment_preimage(payment_hash, &iv_bytes, &metadata_bytes, keys)
+ .map_err(|bad_preimage_bytes| APIError::APIMisuseError {
+ err: format!("Payment hash {} did not match decoded preimage {}", log_bytes!(payment_hash.0), log_bytes!(bad_preimage_bytes))
+ })
+ },
+ Ok(Method::UserPaymentHash) => Err(APIError::APIMisuseError {
+ err: "Expected payment type to be LdkPaymentHash, instead got UserPaymentHash".to_string()
+ }),
+ Err(other) => Err(APIError::APIMisuseError { err: format!("Unknown payment type: {}", other) }),
+ }
+ }
+
+ fn decrypt_metadata(payment_secret: PaymentSecret, keys: &ExpandedKey) -> ([u8; IV_LEN], [u8; METADATA_LEN]) {
+ let mut iv_bytes = [0; IV_LEN];
+ let (iv_slice, encrypted_metadata_bytes) = payment_secret.0.split_at(IV_LEN);
+ iv_bytes.copy_from_slice(iv_slice);
+
+ let chacha_block = ChaCha20::get_single_block(&keys.metadata_key, &iv_bytes);
+ let mut metadata_bytes: [u8; METADATA_LEN] = [0; METADATA_LEN];
+ for i in 0..METADATA_LEN {
+ metadata_bytes[i] = chacha_block[i] ^ encrypted_metadata_bytes[i];
+ }
+
+ (iv_bytes, metadata_bytes)
+ }
+
+ // Errors if the payment preimage doesn't match `payment_hash`. Returns the bad preimage bytes in
+ // this case.
+ fn derive_ldk_payment_preimage(payment_hash: PaymentHash, iv_bytes: &[u8; IV_LEN], metadata_bytes: &[u8; METADATA_LEN], keys: &ExpandedKey) -> Result<PaymentPreimage, [u8; 32]> {
+ let mut hmac = HmacEngine::<Sha256>::new(&keys.ldk_pmt_hash_key);
+ hmac.input(iv_bytes);
+ hmac.input(metadata_bytes);
+ let decoded_payment_preimage = Hmac::from_engine(hmac).into_inner();
+ if !fixed_time_eq(&payment_hash.0, &Sha256::hash(&decoded_payment_preimage).into_inner()) {
+ return Err(decoded_payment_preimage);
+ }
+ return Ok(PaymentPreimage(decoded_payment_preimage))
+ }
+
fn hkdf_extract_expand(salt: &[u8], ikm: &KeyMaterial) -> ExpandedKey {
let mut hmac = HmacEngine::<Sha256>::new(salt);
hmac.input(&ikm.0);
first_hop_htlc_msat: u64,
payment_id: PaymentId,
payment_secret: Option<PaymentSecret>,
- payee: Option<Payee>,
+ payment_params: Option<PaymentParameters>,
},
}
#[allow(clippy::derive_hash_xor_eq)] // Our Hash is faithful to the data, we just don't have SecretKey::hash
0u8.hash(hasher);
prev_hop_data.hash(hasher);
},
- HTLCSource::OutboundRoute { path, session_priv, payment_id, payment_secret, first_hop_htlc_msat, payee } => {
+ HTLCSource::OutboundRoute { path, session_priv, payment_id, payment_secret, first_hop_htlc_msat, payment_params } => {
1u8.hash(hasher);
path.hash(hasher);
session_priv[..].hash(hasher);
payment_id.hash(hasher);
payment_secret.hash(hasher);
first_hop_htlc_msat.hash(hasher);
- payee.hash(hasher);
+ payment_params.hash(hasher);
},
}
}
first_hop_htlc_msat: 0,
payment_id: PaymentId([2; 32]),
payment_secret: None,
- payee: None,
+ payment_params: None,
}
}
}
Self {
err: match err {
ChannelError::Warn(msg) => LightningError {
- err: msg,
- action: msgs::ErrorAction::IgnoreError,
+ err: msg.clone(),
+ action: msgs::ErrorAction::SendWarningMessage {
+ msg: msgs::WarningMessage {
+ channel_id,
+ data: msg
+ },
+ log_level: Level::Warn,
+ },
},
ChannelError::Ignore(msg) => LightningError {
err: msg,
($self: ident, $err: expr, $short_to_id: expr, $channel: expr, $channel_id: expr) => {
match $err {
ChannelError::Warn(msg) => {
- //TODO: Once warning messages are merged, we should send a `warning` message to our
- //peer here.
- (false, MsgHandleErrInternal::from_chan_no_close(ChannelError::Ignore(msg), $channel_id.clone()))
+ (false, MsgHandleErrInternal::from_chan_no_close(ChannelError::Warn(msg), $channel_id.clone()))
},
ChannelError::Ignore(msg) => {
(false, MsgHandleErrInternal::from_chan_no_close(ChannelError::Ignore(msg), $channel_id.clone()))
macro_rules! handle_chan_restoration_locked {
($self: ident, $channel_lock: expr, $channel_state: expr, $channel_entry: expr,
$raa: expr, $commitment_update: expr, $order: expr, $chanmon_update: expr,
- $pending_forwards: expr, $funding_broadcastable: expr, $funding_locked: expr) => { {
+ $pending_forwards: expr, $funding_broadcastable: expr, $funding_locked: expr, $announcement_sigs: expr) => { {
let mut htlc_forwards = None;
let counterparty_node_id = $channel_entry.get().get_counterparty_node_id();
node_id: counterparty_node_id,
msg,
});
- if let Some(announcement_sigs) = $self.get_announcement_sigs($channel_entry.get()) {
- $channel_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
- node_id: counterparty_node_id,
- msg: announcement_sigs,
- });
- }
$channel_state.short_to_id.insert($channel_entry.get().get_short_channel_id().unwrap(), $channel_entry.get().channel_id());
}
+ if let Some(msg) = $announcement_sigs {
+ $channel_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
+ node_id: counterparty_node_id,
+ msg,
+ });
+ }
let funding_broadcastable: Option<Transaction> = $funding_broadcastable; // Force type-checking to resolve
if let Some(monitor_update) = chanmon_update {
}
// Only public for testing, this should otherwise never be called direcly
- pub(crate) fn send_payment_along_path(&self, path: &Vec<RouteHop>, pay
ee: &Option<Payee>, payment_hash: &PaymentHash, payment_secret: &Option<PaymentSecret>, total_value: u64, cur_height: u32, payment_id: PaymentId, keysend_preimage: &Option<PaymentPreimage>) -> Result<(), APIError> {
+ pub(crate) fn send_payment_along_path(&self, path: &Vec<RouteHop>, pay
ment_params: &Option<PaymentParameters>, payment_hash: &PaymentHash, payment_secret: &Option<PaymentSecret>, total_value: u64, cur_height: u32, payment_id: PaymentId, keysend_preimage: &Option<PaymentPreimage>) -> Result<(), APIError> {
log_trace!(self.logger, "Attempting to send payment for path with next hop {}", path.first().unwrap().short_channel_id);
let prng_seed = self.keys_manager.get_secure_random_bytes();
let session_priv_bytes = self.keys_manager.get_secure_random_bytes();
first_hop_htlc_msat: htlc_msat,
payment_id,
payment_secret: payment_secret.clone(),
- payee: payee.clone(),
+ payment_params: payment_params.clone(),
}, onion_packet, &self.logger),
channel_state, chan)
} {
let cur_height = self.best_block.read().unwrap().height() + 1;
let mut results = Vec::new();
for path in route.paths.iter() {
- results.push(self.send_payment_along_path(&path, &route.payee, &payment_hash, payment_secret, total_value, cur_height, payment_id, &keysend_preimage));
+ results.push(self.send_payment_along_path(&path, &route.payment_params, &payment_hash, payment_secret, total_value, cur_height, payment_id, &keysend_preimage));
}
let mut has_ok = false;
let mut has_err = false;
results,
payment_id,
failed_paths_retry: if pending_amt_unsent != 0 {
- if let Some(payee) = &route.payee {
+ if let Some(payment_params) = &route.payment_params {
Some(RouteParameters {
- payee: payee.clone(),
+ payment_params: payment_params.clone(),
final_value_msat: pending_amt_unsent,
final_cltv_expiry_delta: max_unsent_cltv_delta,
})
})
}
- fn get_announcement_sigs(&self, chan: &Channel<Signer>) -> Option<msgs::AnnouncementSignatures> {
- if !chan.should_announce() {
- log_trace!(self.logger, "Can't send announcement_signatures for private channel {}", log_bytes!(chan.channel_id()));
- return None
- }
-
- let (announcement, our_bitcoin_sig) = match chan.get_channel_announcement(self.get_our_node_id(), self.genesis_hash.clone()) {
- Ok(res) => res,
- Err(_) => return None, // Only in case of state precondition violations eg channel is closing
- };
- let msghash = hash_to_message!(&Sha256dHash::hash(&announcement.encode()[..])[..]);
- let our_node_sig = self.secp_ctx.sign(&msghash, &self.our_network_key);
-
- Some(msgs::AnnouncementSignatures {
- channel_id: chan.channel_id(),
- short_channel_id: chan.get_short_channel_id().unwrap(),
- node_signature: our_node_sig,
- bitcoin_signature: our_bitcoin_sig,
- })
- }
-
#[allow(dead_code)]
// Messages of up to 64KB should never end up more than half full with addresses, as that would
// be absurd. We ensure this by checking that at least 500 (our stated public contract on when
let mut announced_chans = false;
for (_, chan) in channel_state.by_id.iter() {
- if let Some(msg) = chan.get_signed_channel_announcement(&self.our_network_key, self.get_our_node_id(), self.genesis_hash.clone()) {
+ if let Some(msg) = chan.get_signed_channel_announcement(self.get_our_node_id(), self.genesis_hash.clone(), self.best_block.read().unwrap().height()) {
channel_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
msg,
update_msg: match self.get_channel_update_for_broadcast(chan) {
self.fail_htlc_backwards_internal(channel_state,
htlc_src, &payment_hash, HTLCFailReason::Reason { failure_code, data: onion_failure_data});
},
- HTLCSource::OutboundRoute { session_priv, payment_id, path, payee, .. } => {
+ HTLCSource::OutboundRoute { session_priv, payment_id, path, payment_params, .. } => {
let mut session_priv_bytes = [0; 32];
session_priv_bytes.copy_from_slice(&session_priv[..]);
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
if payment.get_mut().remove(&session_priv_bytes, Some(&path)) && !payment.get().is_fulfilled() {
- let retry = if let Some(payee_data) = payee {
+ let retry = if let Some(payment_params_data) = payment_params {
let path_last_hop = path.last().expect("Outbound payments must have had a valid path");
Some(RouteParameters {
- payee: payee_data,
+ payment_params: payment_params_data,
final_value_msat: path_last_hop.fee_msat,
final_cltv_expiry_delta: path_last_hop.cltv_expiry_delta,
})
// from block_connected which may run during initialization prior to the chain_monitor
// being fully configured. See the docs for `ChannelManagerReadArgs` for more.
match source {
- HTLCSource::OutboundRoute { ref path, session_priv, payment_id, ref payee, .. } => {
+ HTLCSource::OutboundRoute { ref path, session_priv, payment_id, ref payment_params, .. } => {
let mut session_priv_bytes = [0; 32];
session_priv_bytes.copy_from_slice(&session_priv[..]);
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
return;
}
mem::drop(channel_state_lock);
- let retry = if let Some(payee_data) = payee {
+ let retry = if let Some(payment_params_data) = payment_params {
let path_last_hop = path.last().expect("Outbound payments must have had a valid path");
Some(RouteParameters {
- payee: payee_data.clone(),
+ payment_params: payment_params_data.clone(),
final_value_msat: path_last_hop.fee_msat,
final_cltv_expiry_delta: path_last_hop.cltv_expiry_delta,
})
}
fn finalize_claims(&self, mut sources: Vec<HTLCSource>) {
+ let mut outbounds = self.pending_outbound_payments.lock().unwrap();
let mut pending_events = self.pending_events.lock().unwrap();
for source in sources.drain(..) {
if let HTLCSource::OutboundRoute { session_priv, payment_id, path, .. } = source {
let mut session_priv_bytes = [0; 32];
session_priv_bytes.copy_from_slice(&session_priv[..]);
- let mut outbounds = self.pending_outbound_payments.lock().unwrap();
if let hash_map::Entry::Occupied(mut payment) = outbounds.entry(payment_id) {
assert!(payment.get().is_fulfilled());
if payment.get_mut().remove(&session_priv_bytes, None) {
return;
}
- let updates = channel.get_mut().monitor_updating_restored(&self.logger);
- let channel_update = if updates.funding_locked.is_some() && channel.get().is_usable() && !channel.get().should_announce() {
+ let updates = channel.get_mut().monitor_updating_restored(&self.logger, self.get_our_node_id(), self.genesis_hash, self.best_block.read().unwrap().height());
+ let channel_update = if updates.funding_locked.is_some() && channel.get().is_usable() {
// We only send a channel_update in the case where we are just now sending a
- // funding_locked and the channel is in a usable state. Further, we rely on the
- // normal announcement_signatures process to send a channel_update for public
- // channels, only generating a unicast channel_update if this is a private channel.
+ // funding_locked and the channel is in a usable state. We may re-send a
+ // channel_update later through the announcement_signatures process for public
+ // channels, but there's no reason not to just inform our counterparty of our fees
+ // now.
Some(events::MessageSendEvent::SendChannelUpdate {
node_id: channel.get().get_counterparty_node_id(),
msg: self.get_channel_update_for_unicast(channel.get()).unwrap(),
})
} else { None };
- chan_restoration_res = handle_chan_restoration_locked!(self, channel_lock, channel_state, channel, updates.raa, updates.commitment_update, updates.order, None, updates.accepted_htlcs, updates.funding_broadcastable, updates.funding_locked);
+ chan_restoration_res = handle_chan_restoration_locked!(self, channel_lock, channel_state, channel, updates.raa, updates.commitment_update, updates.order, None, updates.accepted_htlcs, updates.funding_broadcastable, updates.funding_locked, updates.announcement_sigs);
if let Some(upd) = channel_update {
channel_state.pending_msg_events.push(upd);
}
if chan.get().get_counterparty_node_id() != *counterparty_node_id {
return Err(MsgHandleErrInternal::send_err_msg_no_close("Got a message for a channel from the wrong node!".to_owned(), msg.channel_id));
}
- try_chan_entry!(self, chan.get_mut().funding_locked(&msg, &self.logger), channel_state, chan);
- if let Some(announcement_sigs) = self.get_announcement_sigs(chan.get()) {
- log_trace!(self.logger, "Sending announcement_signatures for {} in response to funding_locked", log_bytes!(chan.get().channel_id()));
- // If we see locking block before receiving remote funding_locked, we broadcast our
- // announcement_sigs at remote funding_locked reception. If we receive remote
- // funding_locked before seeing locking block, we broadcast our announcement_sigs at locking
- // block connection. We should guanrantee to broadcast announcement_sigs to our peer whatever
- // the order of the events but our peer may not receive it due to disconnection. The specs
- // lacking an acknowledgement for announcement_sigs we may have to re-send them at peer
- // connection in the future if simultaneous misses by both peers due to network/hardware
- // failures is an issue. Note, to achieve its goal, only one of the announcement_sigs needs
- // to be received, from then sigs are going to be flood to the whole network.
+ let announcement_sigs_opt = try_chan_entry!(self, chan.get_mut().funding_locked(&msg, self.get_our_node_id(),
+ self.genesis_hash.clone(), &self.best_block.read().unwrap(), &self.logger), channel_state, chan);
+ if let Some(announcement_sigs) = announcement_sigs_opt {
+ log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(chan.get().channel_id()));
channel_state.pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
node_id: counterparty_node_id.clone(),
msg: announcement_sigs,
});
} else if chan.get().is_usable() {
+ // If we're sending an announcement_signatures, we'll send the (public)
+ // channel_update after sending a channel_announcement when we receive our
+ // counterparty's announcement_signatures. Thus, we only bother to send a
+ // channel_update here if the channel is not public, i.e. we're not sending an
+ // announcement_signatures.
+ log_trace!(self.logger, "Sending private initial channel_update for our counterparty on channel {}", log_bytes!(chan.get().channel_id()));
channel_state.pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
node_id: counterparty_node_id.clone(),
msg: self.get_channel_update_for_unicast(chan.get()).unwrap(),
}
channel_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
- msg: try_chan_entry!(self, chan.get_mut().announcement_signatures(&self.our_network_key, self.get_our_node_id(), self.genesis_hash.clone(), msg), channel_state, chan),
+ msg: try_chan_entry!(self, chan.get_mut().announcement_signatures(
+ self.get_our_node_id(), self.genesis_hash.clone(), self.best_block.read().unwrap().height(), msg), channel_state, chan),
// Note that announcement_signatures fails if the channel cannot be announced,
// so get_channel_update_for_broadcast will never fail by the time we get here.
update_msg: self.get_channel_update_for_broadcast(chan.get()).unwrap(),
// disconnect, so Channel's reestablish will never hand us any holding cell
// 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 (funding_locked, revoke_and_ack, commitment_update, monitor_update_opt, order, htlcs_failed_forward, shutdown) =
- try_chan_entry!(self, chan.get_mut().channel_reestablish(msg, &self.logger), channel_state, chan);
+ let responses = try_chan_entry!(self, chan.get_mut().channel_reestablish(
+ msg, &self.logger, self.our_network_pubkey.clone(), self.genesis_hash,
+ &*self.best_block.read().unwrap()), channel_state, chan);
let mut channel_update = None;
- if let Some(msg) = shutdown {
+ if let Some(msg) = responses.shutdown_msg {
channel_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
node_id: counterparty_node_id.clone(),
msg,
});
}
let need_lnd_workaround = chan.get_mut().workaround_lnd_bug_4006.take();
- chan_restoration_res = handle_chan_restoration_locked!(self, channel_state_lock, channel_state, chan, revoke_and_ack, commitment_update, order, monitor_update_opt, Vec::new(), None, funding_locked);
+ chan_restoration_res = handle_chan_restoration_locked!(
+ self, channel_state_lock, channel_state, chan, responses.raa, responses.commitment_update, responses.order,
+ responses.mon_update, Vec::new(), None, responses.funding_locked, responses.announcement_sigs);
if let Some(upd) = channel_update {
channel_state.pending_msg_events.push(upd);
}
- (htlcs_failed_forward, need_lnd_workaround)
+ (responses.holding_cell_failed_htlcs, need_lnd_workaround)
},
hash_map::Entry::Vacant(_) => return Err(MsgHandleErrInternal::send_err_msg_no_close("Failed to find corresponding channel".to_owned(), msg.channel_id))
}
/// payment secret fetched via this method or [`create_inbound_payment`], and which is at least
/// the `min_value_msat` provided here, if one is provided.
///
- /// The [`PaymentHash`] (and corresponding [`PaymentPreimage`]) must be globally unique. This
- /// method may return an Err if another payment with the same payment_hash is still pending.
+ /// The [`PaymentHash`] (and corresponding [`PaymentPreimage`]) should be globally unique, though
+ /// note that LDK will not stop you from registering duplicate payment hashes for inbound
+ /// payments.
///
/// `min_value_msat` should be set if the invoice being generated contains a value. Any payment
/// received for the returned [`PaymentHash`] will be required to be at least `min_value_msat`
self.set_payment_hash_secret_map(payment_hash, None, min_value_msat, invoice_expiry_delta_secs)
}
+ /// Gets an LDK-generated payment preimage from a payment hash and payment secret that were
+ /// previously returned from [`create_inbound_payment`].
+ ///
+ /// [`create_inbound_payment`]: Self::create_inbound_payment
+ pub fn get_payment_preimage(&self, payment_hash: PaymentHash, payment_secret: PaymentSecret) -> Result<PaymentPreimage, APIError> {
+ inbound_payment::get_payment_preimage(payment_hash, payment_secret, &self.inbound_payment_key)
+ }
+
#[cfg(any(test, feature = "fuzztarget", feature = "_test_utils"))]
pub fn get_and_clear_pending_events(&self) -> Vec<events::Event> {
let events = core::cell::RefCell::new(Vec::new());
*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.logger));
+ self.do_chain_event(Some(new_height), |channel| channel.best_block_updated(new_height, header.time, self.genesis_hash.clone(), self.get_our_node_id(), &self.logger));
}
}
log_trace!(self.logger, "{} transactions included in block {} at height {} provided", txdata.len(), block_hash, height);
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(&self.total_consistency_lock, &self.persistence_notifier);
- self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, &self.logger).map(|a| (a, Vec::new())));
+ self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, self.genesis_hash.clone(), self.get_our_node_id(), &self.logger)
+ .map(|(a, b)| (a, Vec::new(), b)));
}
fn best_block_updated(&self, header: &BlockHeader, height: u32) {
*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.logger));
+ self.do_chain_event(Some(height), |channel| channel.best_block_updated(height, header.time, self.genesis_hash.clone(), self.get_our_node_id(), &self.logger));
macro_rules! max_time {
($timestamp: expr) => {
inbound_payment.expiry_time > header.time as u64
});
- let mut pending_events = self.pending_events.lock().unwrap();
let mut outbounds = self.pending_outbound_payments.lock().unwrap();
+ let mut pending_events = self.pending_events.lock().unwrap();
outbounds.retain(|payment_id, payment| {
if payment.remaining_parts() != 0 { return true }
if let PendingOutboundPayment::Retryable { starting_block_height, payment_hash, .. } = payment {
self.do_chain_event(None, |channel| {
if let Some(funding_txo) = channel.get_funding_txo() {
if funding_txo.txid == *txid {
- channel.funding_transaction_unconfirmed(&self.logger).map(|_| (None, Vec::new()))
- } else { Ok((None, Vec::new())) }
- } else { Ok((None, Vec::new())) }
+ channel.funding_transaction_unconfirmed(&self.logger).map(|()| (None, Vec::new(), None))
+ } else { Ok((None, Vec::new(), None)) }
+ } else { Ok((None, Vec::new(), None)) }
});
}
}
/// Calls a function which handles an on-chain event (blocks dis/connected, transactions
/// un/confirmed, etc) on each channel, handling any resulting errors or messages generated by
/// the function.
- fn do_chain_event<FN: Fn(&mut Channel<Signer>) -> Result<(Option<msgs::FundingLocked>, Vec<(HTLCSource, PaymentHash)>), ClosureReason>>
+ fn do_chain_event<FN: Fn(&mut Channel<Signer>) -> Result<(Option<msgs::FundingLocked>, Vec<(HTLCSource, PaymentHash)>, Option<msgs::AnnouncementSignatures>), ClosureReason>>
(&self, height_opt: Option<u32>, f: FN) {
// Note that we MUST NOT end up calling methods on self.chain_monitor here - we're called
// during initialization prior to the chain_monitor being fully configured in some cases.
let pending_msg_events = &mut channel_state.pending_msg_events;
channel_state.by_id.retain(|_, channel| {
let res = f(channel);
- if let Ok((chan_res, mut timed_out_pending_htlcs)) = res {
+ if let Ok((funding_locked_opt, mut timed_out_pending_htlcs, announcement_sigs)) = res {
for (source, payment_hash) in timed_out_pending_htlcs.drain(..) {
let chan_update = self.get_channel_update_for_unicast(&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 {
data: chan_update,
}));
}
- if let Some(funding_locked) = chan_res {
+ if let Some(funding_locked) = funding_locked_opt {
pending_msg_events.push(events::MessageSendEvent::SendFundingLocked {
node_id: channel.get_counterparty_node_id(),
msg: funding_locked,
});
- if let Some(announcement_sigs) = self.get_announcement_sigs(channel) {
- log_trace!(self.logger, "Sending funding_locked and announcement_signatures for {}", log_bytes!(channel.channel_id()));
- pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
- node_id: channel.get_counterparty_node_id(),
- msg: announcement_sigs,
- });
- } else if channel.is_usable() {
- log_trace!(self.logger, "Sending funding_locked WITHOUT announcement_signatures but with private channel_update for our counterparty on channel {}", log_bytes!(channel.channel_id()));
+ if channel.is_usable() {
+ log_trace!(self.logger, "Sending funding_locked with private initial channel_update for our counterparty on channel {}", log_bytes!(channel.channel_id()));
pending_msg_events.push(events::MessageSendEvent::SendChannelUpdate {
node_id: channel.get_counterparty_node_id(),
msg: self.get_channel_update_for_unicast(channel).unwrap(),
});
} else {
- log_trace!(self.logger, "Sending funding_locked WITHOUT announcement_signatures for {}", log_bytes!(channel.channel_id()));
+ log_trace!(self.logger, "Sending funding_locked WITHOUT channel_update for {}", log_bytes!(channel.channel_id()));
}
short_to_id.insert(channel.get_short_channel_id().unwrap(), channel.channel_id());
}
+ if let Some(announcement_sigs) = announcement_sigs {
+ log_trace!(self.logger, "Sending announcement_signatures for channel {}", log_bytes!(channel.channel_id()));
+ pending_msg_events.push(events::MessageSendEvent::SendAnnouncementSignatures {
+ node_id: channel.get_counterparty_node_id(),
+ msg: announcement_sigs,
+ });
+ if let Some(height) = height_opt {
+ if let Some(announcement) = channel.get_signed_channel_announcement(self.get_our_node_id(), self.genesis_hash, height) {
+ pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
+ msg: announcement,
+ // Note that announcement_signatures fails if the channel cannot be announced,
+ // so get_channel_update_for_broadcast will never fail by the time we get here.
+ update_msg: self.get_channel_update_for_broadcast(channel).unwrap(),
+ });
+ }
+ }
+ }
} else if let Err(reason) = res {
if let Some(short_id) = channel.get_short_channel_id() {
short_to_id.remove(&short_id);
let mut path = Some(Vec::new());
let mut payment_id = None;
let mut payment_secret = None;
- let mut payee = None;
+ let mut payment_params = None;
read_tlv_fields!(reader, {
(0, session_priv, required),
(1, payment_id, option),
(2, first_hop_htlc_msat, required),
(3, payment_secret, option),
(4, path, vec_type),
- (5, payee, option),
+ (5, payment_params, option),
});
if payment_id.is_none() {
// For backwards compat, if there was no payment_id written, use the session_priv bytes
path: path.unwrap(),
payment_id: payment_id.unwrap(),
payment_secret,
- payee,
+ payment_params,
})
}
1 => Ok(HTLCSource::PreviousHopData(Readable::read(reader)?)),
impl Writeable for HTLCSource {
fn write<W: Writer>(&self, writer: &mut W) -> Result<(), ::io::Error> {
match self {
- HTLCSource::OutboundRoute { ref session_priv, ref first_hop_htlc_msat, ref path, payment_id, payment_secret, payee } => {
+ HTLCSource::OutboundRoute { ref session_priv, ref first_hop_htlc_msat, ref path, payment_id, payment_secret, payment_params } => {
0u8.write(writer)?;
let payment_id_opt = Some(payment_id);
write_tlv_fields!(writer, {
(2, first_hop_htlc_msat, required),
(3, payment_secret, option),
(4, path, vec_type),
- (5, payee, option),
+ (5, payment_params, option),
});
}
HTLCSource::PreviousHopData(ref field) => {
peer_state.latest_features.write(writer)?;
}
+ let pending_inbound_payments = self.pending_inbound_payments.lock().unwrap();
+ let pending_outbound_payments = self.pending_outbound_payments.lock().unwrap();
let events = self.pending_events.lock().unwrap();
(events.len() as u64).write(writer)?;
for event in events.iter() {
(self.last_node_announcement_serial.load(Ordering::Acquire) as u32).write(writer)?;
(self.highest_seen_timestamp.load(Ordering::Acquire) as u32).write(writer)?;
- let pending_inbound_payments = self.pending_inbound_payments.lock().unwrap();
(pending_inbound_payments.len() as u64).write(writer)?;
for (hash, pending_payment) in pending_inbound_payments.iter() {
hash.write(writer)?;
pending_payment.write(writer)?;
}
- let pending_outbound_payments = self.pending_outbound_payments.lock().unwrap();
// For backwards compat, write the session privs and their total length.
let mut num_pending_outbounds_compat: u64 = 0;
for (_, outbound) in pending_outbound_payments.iter() {
write_tlv_fields!(writer, {
(1, pending_outbound_payments_no_retry, required),
(3, pending_outbound_payments, required),
+ (5, self.our_network_pubkey, required)
});
Ok(())
log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
log_error!(args.logger, " Without the latest ChannelMonitor we cannot continue without risking funds.");
- log_error!(args.logger, " Please ensure the chain::Watch API requirements are met and file a bug report at https://github.com/rust-bitcoin/rust-lightning");
+ log_error!(args.logger, " Please ensure the chain::Watch API requirements are met and file a bug report at https://github.com/lightningdevkit/rust-lightning");
return Err(DecodeError::InvalidValue);
} else if channel.get_cur_holder_commitment_transaction_number() > monitor.get_cur_holder_commitment_number() ||
channel.get_revoked_counterparty_commitment_transaction_number() > monitor.get_min_seen_secret() ||
log_error!(args.logger, " The chain::Watch API *requires* that monitors are persisted durably before returning,");
log_error!(args.logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
log_error!(args.logger, " Without the ChannelMonitor we cannot continue without risking funds.");
- log_error!(args.logger, " Please ensure the chain::Watch API requirements are met and file a bug report at https://github.com/rust-bitcoin/rust-lightning");
+ log_error!(args.logger, " Please ensure the chain::Watch API requirements are met and file a bug report at https://github.com/lightningdevkit/rust-lightning");
return Err(DecodeError::InvalidValue);
}
}
// pending_outbound_payments_no_retry is for compatibility with 0.0.101 clients.
let mut pending_outbound_payments_no_retry: Option<HashMap<PaymentId, HashSet<[u8; 32]>>> = None;
let mut pending_outbound_payments = None;
+ let mut received_network_pubkey: Option<PublicKey> = None;
read_tlv_fields!(reader, {
(1, pending_outbound_payments_no_retry, option),
(3, pending_outbound_payments, option),
+ (5, received_network_pubkey, option)
});
+
if pending_outbound_payments.is_none() && pending_outbound_payments_no_retry.is_none() {
pending_outbound_payments = Some(pending_outbound_payments_compat);
} else if pending_outbound_payments.is_none() {
pending_events_read.append(&mut channel_closures);
}
+ let our_network_pubkey = PublicKey::from_secret_key(&secp_ctx, &args.keys_manager.get_node_secret());
+ if let Some(network_pubkey) = received_network_pubkey {
+ if network_pubkey != our_network_pubkey {
+ log_error!(args.logger, "Key that was generated does not match the existing key.");
+ return Err(DecodeError::InvalidValue);
+ }
+ }
+
let inbound_pmt_key_material = args.keys_manager.get_inbound_payment_key_material();
let expanded_inbound_key = inbound_payment::ExpandedKey::new(&inbound_pmt_key_material);
let channel_manager = ChannelManager {
pending_outbound_payments: Mutex::new(pending_outbound_payments.unwrap()),
our_network_key: args.keys_manager.get_node_secret(),
- our_network_pubkey: PublicKey::from_secret_key(&secp_ctx, &args.keys_manager.get_node_secret()),
+ our_network_pubkey,
secp_ctx,
last_node_announcement_serial: AtomicUsize::new(last_node_announcement_serial as usize),
use ln::functional_test_utils::*;
use ln::msgs;
use ln::msgs::ChannelMessageHandler;
- use routing::router::{Payee, RouteParameters, find_route};
+ use routing::router::{PaymentParameters, RouteParameters, find_route};
use util::errors::APIError;
use util::events::{Event, MessageSendEvent, MessageSendEventsProvider};
use util::test_utils;
// Use the utility function send_payment_along_path to send the payment with MPP data which
// indicates there are more HTLCs coming.
let cur_height = CHAN_CONFIRM_DEPTH + 1; // route_payment calls send_payment, which adds 1 to the current height. So we do the same here to match.
- nodes[0].node.send_payment_along_path(&route.paths[0], &route.payee, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
+ nodes[0].node.send_payment_along_path(&route.paths[0], &route.payment_params, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
check_added_monitors!(nodes[0], 1);
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
expect_payment_failed!(nodes[0], our_payment_hash, true);
// Send the second half of the original MPP payment.
- nodes[0].node.send_payment_along_path(&route.paths[0], &route.payee, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
+ nodes[0].node.send_payment_along_path(&route.paths[0], &route.payment_params, &our_payment_hash, &Some(payment_secret), 200_000, cur_height, payment_id, &None).unwrap();
check_added_monitors!(nodes[0], 1);
let mut events = nodes[0].node.get_and_clear_pending_msg_events();
assert_eq!(events.len(), 1);
let (payment_preimage, payment_hash, _) = route_payment(&nodes[0], &expected_route, 100_000);
// Next, attempt a keysend payment and make sure it fails.
- let params = RouteParameters {
- payee: Payee::for_keysend(expected_route.last().unwrap().node.get_our_node_id()),
+ let route_params = RouteParameters {
+ payment_params: PaymentParameters::for_keysend(expected_route.last().unwrap().node.get_our_node_id()),
final_value_msat: 100_000,
final_cltv_expiry_delta: TEST_FINAL_CLTV,
};
let route = find_route(
- &nodes[0].node.get_our_node_id(), ¶ms, nodes[0].network_graph, None,
+ &nodes[0].node.get_our_node_id(), &route_params, nodes[0].network_graph, None,
nodes[0].logger, &scorer
).unwrap();
nodes[0].node.send_spontaneous_payment(&route, Some(payment_preimage)).unwrap();
// To start (2), send a keysend payment but don't claim it.
let payment_preimage = PaymentPreimage([42; 32]);
let route = find_route(
- &nodes[0].node.get_our_node_id(), ¶ms, nodes[0].network_graph, None,
+ &nodes[0].node.get_our_node_id(), &route_params, nodes[0].network_graph, None,
nodes[0].logger, &scorer
).unwrap();
let (payment_hash, _) = nodes[0].node.send_spontaneous_payment(&route, Some(payment_preimage)).unwrap();
nodes[1].node.peer_connected(&payer_pubkey, &msgs::Init { features: InitFeatures::known() });
let _chan = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known());
- let params = RouteParameters {
- payee: Payee::for_keysend(payee_pubkey),
+ let route_params = RouteParameters {
+ payment_params: PaymentParameters::for_keysend(payee_pubkey),
final_value_msat: 10000,
final_cltv_expiry_delta: 40,
};
let first_hops = nodes[0].node.list_usable_channels();
let scorer = test_utils::TestScorer::with_fixed_penalty(0);
let route = find_route(
- &payer_pubkey, ¶ms, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
+ &payer_pubkey, &route_params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
nodes[0].logger, &scorer
).unwrap();
nodes[1].node.peer_connected(&payer_pubkey, &msgs::Init { features: InitFeatures::known() });
let _chan = create_chan_between_nodes(&nodes[0], &nodes[1], InitFeatures::known(), InitFeatures::known());
- let params = RouteParameters {
- payee: Payee::for_keysend(payee_pubkey),
+ let route_params = RouteParameters {
+ payment_params: PaymentParameters::for_keysend(payee_pubkey),
final_value_msat: 10000,
final_cltv_expiry_delta: 40,
};
let first_hops = nodes[0].node.list_usable_channels();
let scorer = test_utils::TestScorer::with_fixed_penalty(0);
let route = find_route(
- &payer_pubkey, ¶ms, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
+ &payer_pubkey, &route_params, network_graph, Some(&first_hops.iter().collect::<Vec<_>>()),
nodes[0].logger, &scorer
).unwrap();
use ln::functional_test_utils::*;
use ln::msgs::{ChannelMessageHandler, Init};
use routing::network_graph::NetworkGraph;
- use routing::router::{Payee, get_route};
+ use routing::router::{PaymentParameters, get_route};
use routing::scoring::Scorer;
use util::test_utils;
use util::config::UserConfig;
macro_rules! send_payment {
($node_a: expr, $node_b: expr) => {
let usable_channels = $node_a.list_usable_channels();
- let payee = Payee::from_node_id($node_b.get_our_node_id())
+ let payment_params = PaymentParameters::from_node_id($node_b.get_our_node_id())
.with_features(InvoiceFeatures::known());
let scorer = Scorer::with_fixed_penalty(0);
- let route = get_route(&$node_a.get_our_node_id(), &payee, &dummy_graph,
+ let route = get_route(&$node_a.get_our_node_id(), &payment_params, &dummy_graph,
Some(&usable_channels.iter().map(|r| r).collect::<Vec<_>>()), 10_000, TEST_FINAL_CLTV, &logger_a, &scorer).unwrap();
let mut payment_preimage = PaymentPreimage([0; 32]);
projects / rust-lightning / blobdiff