use crate::ln::outbound_payment;
use crate::ln::outbound_payment::{Bolt12PaymentError, OutboundPayments, PaymentAttempts, PendingOutboundPayment, SendAlongPathArgs, StaleExpiration};
use crate::ln::wire::Encode;
-use crate::offers::invoice::{BlindedPayInfo, Bolt12Invoice, DEFAULT_RELATIVE_EXPIRY, DerivedSigningPubkey, InvoiceBuilder};
+use crate::offers::invoice::{BlindedPayInfo, Bolt12Invoice, DEFAULT_RELATIVE_EXPIRY, DerivedSigningPubkey, ExplicitSigningPubkey, InvoiceBuilder, UnsignedBolt12Invoice};
use crate::offers::invoice_error::InvoiceError;
+use crate::offers::invoice_request::{DerivedPayerId, InvoiceRequestBuilder};
use crate::offers::merkle::SignError;
-use crate::offers::offer::{DerivedMetadata, Offer, OfferBuilder};
+use crate::offers::offer::{Offer, OfferBuilder};
use crate::offers::parse::Bolt12SemanticError;
use crate::offers::refund::{Refund, RefundBuilder};
use crate::onion_message::messenger::{Destination, MessageRouter, PendingOnionMessage, new_pending_onion_message};
use crate::util::errors::APIError;
#[cfg(not(c_bindings))]
use {
+ crate::offers::offer::DerivedMetadata,
crate::routing::router::DefaultRouter,
crate::routing::gossip::NetworkGraph,
crate::routing::scoring::{ProbabilisticScorer, ProbabilisticScoringFeeParameters},
crate::sign::KeysManager,
};
+#[cfg(c_bindings)]
+use {
+ crate::offers::offer::OfferWithDerivedMetadataBuilder,
+ crate::offers::refund::RefundMaybeWithDerivedMetadataBuilder,
+};
use alloc::collections::{btree_map, BTreeMap};
/// For HTLCs received by LDK, these will ultimately bubble back up as
/// [`RecipientOnionFields::custom_tlvs`].
custom_tlvs: Vec<(u64, Vec<u8>)>,
+ /// Set if this HTLC is the final hop in a multi-hop blinded path.
+ requires_blinded_error: bool,
},
}
match self {
Self::Forward { blinded: Some(BlindedForward { failure, .. }), .. } => Some(*failure),
Self::Receive { requires_blinded_error: true, .. } => Some(BlindedFailure::FromBlindedNode),
+ Self::ReceiveKeysend { requires_blinded_error: true, .. } => Some(BlindedFailure::FromBlindedNode),
_ => None,
}
}
return false
}
!self.channel_by_id.iter().any(|(_, phase)|
- matches!(phase, ChannelPhase::Funded(_) | ChannelPhase::UnfundedOutboundV1(_))
+ match phase {
+ ChannelPhase::Funded(_) | ChannelPhase::UnfundedOutboundV1(_) => true,
+ ChannelPhase::UnfundedInboundV1(_) => false,
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(_) => true,
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedInboundV2(_) => false,
+ }
)
&& self.monitor_update_blocked_actions.is_empty()
&& self.in_flight_monitor_updates.is_empty()
// | |
// | |__`pending_intercepted_htlcs`
// |
+// |__`decode_update_add_htlcs`
+// |
// |__`per_peer_state`
// |
// |__`pending_inbound_payments`
/// See `ChannelManager` struct-level documentation for lock order requirements.
pending_intercepted_htlcs: Mutex<HashMap<InterceptId, PendingAddHTLCInfo>>,
+ /// SCID/SCID Alias -> pending `update_add_htlc`s to decode.
+ ///
+ /// Note that because we may have an SCID Alias as the key we can have two entries per channel,
+ /// though in practice we probably won't be receiving HTLCs for a channel both via the alias
+ /// and via the classic SCID.
+ ///
+ /// Note that no consistency guarantees are made about the existence of a channel with the
+ /// `short_channel_id` here, nor the `channel_id` in `UpdateAddHTLC`!
+ ///
+ /// See `ChannelManager` struct-level documentation for lock order requirements.
+ decode_update_add_htlcs: Mutex<HashMap<u64, Vec<msgs::UpdateAddHTLC>>>,
+
/// The sets of payments which are claimable or currently being claimed. See
/// [`ClaimablePayments`]' individual field docs for more info.
///
ChannelPhase::UnfundedInboundV1(channel) => {
convert_chan_phase_err!($self, $err, channel, $channel_id, UNFUNDED_CHANNEL)
},
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(channel) => {
+ convert_chan_phase_err!($self, $err, channel, $channel_id, UNFUNDED_CHANNEL)
+ },
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedInboundV2(channel) => {
+ convert_chan_phase_err!($self, $err, channel, $channel_id, UNFUNDED_CHANNEL)
+ },
}
};
}
let logger = WithChannelContext::from(&$self.logger, &$chan.context);
let mut updates = $chan.monitor_updating_restored(&&logger,
&$self.node_signer, $self.chain_hash, &$self.default_configuration,
- $self.best_block.read().unwrap().height());
+ $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() {
// We only send a channel_update in the case where we are just now sending a
let update_actions = $peer_state.monitor_update_blocked_actions
.remove(&$chan.context.channel_id()).unwrap_or(Vec::new());
- let htlc_forwards = $self.handle_channel_resumption(
+ let (htlc_forwards, decode_update_add_htlcs) = $self.handle_channel_resumption(
&mut $peer_state.pending_msg_events, $chan, updates.raa,
- updates.commitment_update, updates.order, updates.accepted_htlcs,
+ updates.commitment_update, updates.order, updates.accepted_htlcs, updates.pending_update_adds,
updates.funding_broadcastable, updates.channel_ready,
updates.announcement_sigs);
if let Some(upd) = channel_update {
if let Some(forwards) = htlc_forwards {
$self.forward_htlcs(&mut [forwards][..]);
}
+ if let Some(decode) = decode_update_add_htlcs {
+ $self.push_decode_update_add_htlcs(decode);
+ }
$self.finalize_claims(updates.finalized_claimed_htlcs);
for failure in updates.failed_htlcs.drain(..) {
let receiver = HTLCDestination::NextHopChannel { node_id: Some(counterparty_node_id), channel_id };
pending_inbound_payments: Mutex::new(new_hash_map()),
pending_outbound_payments: OutboundPayments::new(),
forward_htlcs: Mutex::new(new_hash_map()),
+ decode_update_add_htlcs: Mutex::new(new_hash_map()),
claimable_payments: Mutex::new(ClaimablePayments { claimable_payments: new_hash_map(), pending_claiming_payments: new_hash_map() }),
pending_intercepted_htlcs: Mutex::new(new_hash_map()),
outpoint_to_peer: Mutex::new(new_hash_map()),
}
fn create_and_insert_outbound_scid_alias(&self) -> u64 {
- let height = self.best_block.read().unwrap().height();
+ let height = self.best_block.read().unwrap().height;
let mut outbound_scid_alias = 0;
let mut i = 0;
loop {
let config = if override_config.is_some() { override_config.as_ref().unwrap() } else { &self.default_configuration };
match OutboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider, their_network_key,
their_features, channel_value_satoshis, push_msat, user_channel_id, config,
- self.best_block.read().unwrap().height(), outbound_scid_alias, temporary_channel_id)
+ self.best_block.read().unwrap().height, outbound_scid_alias, temporary_channel_id)
{
Ok(res) => res,
Err(e) => {
// the same channel.
let mut res = Vec::with_capacity(self.short_to_chan_info.read().unwrap().len());
{
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let per_peer_state = self.per_peer_state.read().unwrap();
for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
// the same channel.
let mut res = Vec::with_capacity(self.short_to_chan_info.read().unwrap().len());
{
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let per_peer_state = self.per_peer_state.read().unwrap();
for (_cp_id, peer_state_mutex) in per_peer_state.iter() {
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
/// Gets the list of channels we have with a given counterparty, in random order.
pub fn list_channels_with_counterparty(&self, counterparty_node_id: &PublicKey) -> Vec<ChannelDetails> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let per_peer_state = self.per_peer_state.read().unwrap();
if let Some(peer_state_mutex) = per_peer_state.get(counterparty_node_id) {
// Unfunded channel has no update
(None, chan_phase.context().get_counterparty_node_id())
},
+ // TODO(dual_funding): Combine this match arm with above once #[cfg(dual_funding)] is removed.
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(_) | ChannelPhase::UnfundedInboundV2(_) => {
+ self.finish_close_channel(chan_phase.context_mut().force_shutdown(false, closure_reason));
+ // Unfunded channel has no update
+ (None, chan_phase.context().get_counterparty_node_id())
+ },
}
} else if peer_state.inbound_channel_request_by_id.remove(channel_id).is_some() {
log_error!(logger, "Force-closing channel {}", &channel_id);
None
};
- let cur_height = self.best_block.read().unwrap().height() + 1;
+ let cur_height = self.best_block.read().unwrap().height + 1;
if let Err((err_msg, code)) = check_incoming_htlc_cltv(
cur_height, outgoing_cltv_value, msg.cltv_expiry
match decoded_hop {
onion_utils::Hop::Receive(next_hop_data) => {
// OUR PAYMENT!
- let current_height: u32 = self.best_block.read().unwrap().height();
+ let current_height: u32 = self.best_block.read().unwrap().height;
match create_recv_pending_htlc_info(next_hop_data, shared_secret, msg.payment_hash,
msg.amount_msat, msg.cltv_expiry, None, allow_underpay, msg.skimmed_fee_msat,
current_height, self.default_configuration.accept_mpp_keysend)
/// [`PeerManager::process_events`]: crate::ln::peer_handler::PeerManager::process_events
/// [`ChannelMonitorUpdateStatus::InProgress`]: crate::chain::ChannelMonitorUpdateStatus::InProgress
pub fn send_payment_with_route(&self, route: &Route, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields, payment_id: PaymentId) -> Result<(), PaymentSendFailure> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments
.send_payment_with_route(route, payment_hash, recipient_onion, payment_id,
/// Similar to [`ChannelManager::send_payment_with_route`], but will automatically find a route based on
/// `route_params` and retry failed payment paths based on `retry_strategy`.
pub fn send_payment(&self, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields, payment_id: PaymentId, route_params: RouteParameters, retry_strategy: Retry) -> Result<(), RetryableSendFailure> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments
.send_payment(payment_hash, recipient_onion, payment_id, retry_strategy, route_params,
#[cfg(test)]
pub(super) fn test_send_payment_internal(&self, route: &Route, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields, keysend_preimage: Option<PaymentPreimage>, payment_id: PaymentId, recv_value_msat: Option<u64>, onion_session_privs: Vec<[u8; 32]>) -> Result<(), PaymentSendFailure> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments.test_send_payment_internal(route, payment_hash, recipient_onion,
keysend_preimage, payment_id, recv_value_msat, onion_session_privs, &self.node_signer,
#[cfg(test)]
pub(crate) fn test_add_new_pending_payment(&self, payment_hash: PaymentHash, recipient_onion: RecipientOnionFields, payment_id: PaymentId, route: &Route) -> Result<Vec<[u8; 32]>, PaymentSendFailure> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
self.pending_outbound_payments.test_add_new_pending_payment(payment_hash, recipient_onion, payment_id, route, None, &self.entropy_source, best_block_height)
}
}
pub(super) fn send_payment_for_bolt12_invoice(&self, invoice: &Bolt12Invoice, payment_id: PaymentId) -> Result<(), Bolt12PaymentError> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments
.send_payment_for_bolt12_invoice(
///
/// [`send_payment`]: Self::send_payment
pub fn send_spontaneous_payment(&self, route: &Route, payment_preimage: Option<PaymentPreimage>, recipient_onion: RecipientOnionFields, payment_id: PaymentId) -> Result<PaymentHash, PaymentSendFailure> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments.send_spontaneous_payment_with_route(
route, payment_preimage, recipient_onion, payment_id, &self.entropy_source,
///
/// [`PaymentParameters::for_keysend`]: crate::routing::router::PaymentParameters::for_keysend
pub fn send_spontaneous_payment_with_retry(&self, payment_preimage: Option<PaymentPreimage>, recipient_onion: RecipientOnionFields, payment_id: PaymentId, route_params: RouteParameters, retry_strategy: Retry) -> Result<PaymentHash, RetryableSendFailure> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments.send_spontaneous_payment(payment_preimage, recipient_onion,
payment_id, retry_strategy, route_params, &self.router, self.list_usable_channels(),
/// [`PaymentHash`] of probes based on a static secret and a random [`PaymentId`], which allows
/// us to easily discern them from real payments.
pub fn send_probe(&self, path: Path) -> Result<(PaymentHash, PaymentId), PaymentSendFailure> {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
self.pending_outbound_payments.send_probe(path, self.probing_cookie_secret,
&self.entropy_source, &self.node_signer, best_block_height,
}));
}
{
- let height = self.best_block.read().unwrap().height();
+ let height = self.best_block.read().unwrap().height;
// Transactions are evaluated as final by network mempools if their locktime is strictly
// lower than the next block height. However, the modules constituting our Lightning
// node might not have perfect sync about their blockchain views. Thus, if the wallet
};
match next_hop {
onion_utils::Hop::Receive(hop_data) => {
- let current_height: u32 = self.best_block.read().unwrap().height();
+ let current_height: u32 = self.best_block.read().unwrap().height;
match create_recv_pending_htlc_info(hop_data,
incoming_shared_secret, payment_hash, outgoing_amt_msat,
outgoing_cltv_value, Some(phantom_shared_secret), false, None,
(incoming_cltv_expiry, OnionPayload::Invoice { _legacy_hop_data },
Some(payment_data), phantom_shared_secret, onion_fields)
},
- PendingHTLCRouting::ReceiveKeysend { payment_data, payment_preimage, payment_metadata, incoming_cltv_expiry, custom_tlvs } => {
+ PendingHTLCRouting::ReceiveKeysend {
+ payment_data, payment_preimage, payment_metadata,
+ incoming_cltv_expiry, custom_tlvs, requires_blinded_error: _
+ } => {
let onion_fields = RecipientOnionFields {
payment_secret: payment_data.as_ref().map(|data| data.payment_secret),
payment_metadata,
debug_assert!(!committed_to_claimable);
let mut htlc_msat_height_data = $htlc.value.to_be_bytes().to_vec();
htlc_msat_height_data.extend_from_slice(
- &self.best_block.read().unwrap().height().to_be_bytes(),
+ &self.best_block.read().unwrap().height.to_be_bytes(),
);
failed_forwards.push((HTLCSource::PreviousHopData(HTLCPreviousHopData {
short_channel_id: $htlc.prev_hop.short_channel_id,
}
};
if let Some(min_final_cltv_expiry_delta) = min_final_cltv_expiry_delta {
- let expected_min_expiry_height = (self.current_best_block().height() + min_final_cltv_expiry_delta as u32) as u64;
+ let expected_min_expiry_height = (self.current_best_block().height + min_final_cltv_expiry_delta as u32) as u64;
if (cltv_expiry as u64) < expected_min_expiry_height {
log_trace!(self.logger, "Failing new HTLC with payment_hash {} as its CLTV expiry was too soon (had {}, earliest expected {})",
&payment_hash, cltv_expiry, expected_min_expiry_height);
}
}
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
self.pending_outbound_payments.check_retry_payments(&self.router, || self.list_usable_channels(),
|| self.compute_inflight_htlcs(), &self.entropy_source, &self.node_signer, best_block_height,
&self.pending_events, &self.logger, |args| self.send_payment_along_path(args));
process_unfunded_channel_tick(chan_id, &mut chan.context, &mut chan.unfunded_context,
pending_msg_events, counterparty_node_id)
},
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedInboundV2(chan) => {
+ process_unfunded_channel_tick(chan_id, &mut chan.context, &mut chan.unfunded_context,
+ pending_msg_events, counterparty_node_id)
+ },
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(chan) => {
+ process_unfunded_channel_tick(chan_id, &mut chan.context, &mut chan.unfunded_context,
+ pending_msg_events, counterparty_node_id)
+ },
}
});
FailureCode::RequiredNodeFeatureMissing => HTLCFailReason::from_failure_code(failure_code.into()),
FailureCode::IncorrectOrUnknownPaymentDetails => {
let mut htlc_msat_height_data = htlc.value.to_be_bytes().to_vec();
- htlc_msat_height_data.extend_from_slice(&self.best_block.read().unwrap().height().to_be_bytes());
+ htlc_msat_height_data.extend_from_slice(&self.best_block.read().unwrap().height.to_be_bytes());
HTLCFailReason::reason(failure_code.into(), htlc_msat_height_data)
},
FailureCode::InvalidOnionPayload(data) => {
if !valid_mpp {
for htlc in sources.drain(..) {
let mut htlc_msat_height_data = htlc.value.to_be_bytes().to_vec();
- htlc_msat_height_data.extend_from_slice(&self.best_block.read().unwrap().height().to_be_bytes());
+ htlc_msat_height_data.extend_from_slice(&self.best_block.read().unwrap().height.to_be_bytes());
let source = HTLCSource::PreviousHopData(htlc.prev_hop);
let reason = HTLCFailReason::reason(0x4000 | 15, htlc_msat_height_data);
let receiver = HTLCDestination::FailedPayment { payment_hash };
fn claim_funds_internal(&self, source: HTLCSource, payment_preimage: PaymentPreimage,
forwarded_htlc_value_msat: Option<u64>, skimmed_fee_msat: Option<u64>, from_onchain: bool,
startup_replay: bool, next_channel_counterparty_node_id: Option<PublicKey>,
- next_channel_outpoint: OutPoint, next_channel_id: ChannelId,
+ next_channel_outpoint: OutPoint, next_channel_id: ChannelId, next_user_channel_id: Option<u128>,
) {
match source {
HTLCSource::OutboundRoute { session_priv, payment_id, path, .. } => {
},
HTLCSource::PreviousHopData(hop_data) => {
let prev_channel_id = hop_data.channel_id;
+ let prev_user_channel_id = hop_data.user_channel_id;
let completed_blocker = RAAMonitorUpdateBlockingAction::from_prev_hop_data(&hop_data);
#[cfg(debug_assertions)]
let claiming_chan_funding_outpoint = hop_data.outpoint;
- #[cfg(debug_assertions)]
- let claiming_channel_id = hop_data.channel_id;
let res = self.claim_funds_from_hop(hop_data, payment_preimage,
|htlc_claim_value_msat, definitely_duplicate| {
let chan_to_release =
BackgroundEvent::MonitorUpdatesComplete {
channel_id, ..
} =>
- *channel_id == claiming_channel_id,
+ *channel_id == prev_channel_id,
}
}), "{:?}", *background_events);
}
"skimmed_fee_msat must always be included in total_fee_earned_msat");
Some(MonitorUpdateCompletionAction::EmitEventAndFreeOtherChannel {
event: events::Event::PaymentForwarded {
- total_fee_earned_msat,
- claim_from_onchain_tx: from_onchain,
prev_channel_id: Some(prev_channel_id),
next_channel_id: Some(next_channel_id),
- outbound_amount_forwarded_msat: forwarded_htlc_value_msat,
+ prev_user_channel_id,
+ next_user_channel_id,
+ total_fee_earned_msat,
skimmed_fee_msat,
+ claim_from_onchain_tx: from_onchain,
+ outbound_amount_forwarded_msat: forwarded_htlc_value_msat,
},
downstream_counterparty_and_funding_outpoint: chan_to_release,
})
fn handle_channel_resumption(&self, pending_msg_events: &mut Vec<MessageSendEvent>,
channel: &mut Channel<SP>, raa: Option<msgs::RevokeAndACK>,
commitment_update: Option<msgs::CommitmentUpdate>, order: RAACommitmentOrder,
- pending_forwards: Vec<(PendingHTLCInfo, u64)>, funding_broadcastable: Option<Transaction>,
+ pending_forwards: Vec<(PendingHTLCInfo, u64)>, pending_update_adds: Vec<msgs::UpdateAddHTLC>,
+ funding_broadcastable: Option<Transaction>,
channel_ready: Option<msgs::ChannelReady>, announcement_sigs: Option<msgs::AnnouncementSignatures>)
- -> Option<(u64, OutPoint, ChannelId, u128, Vec<(PendingHTLCInfo, u64)>)> {
+ -> (Option<(u64, OutPoint, ChannelId, u128, Vec<(PendingHTLCInfo, u64)>)>, Option<(u64, Vec<msgs::UpdateAddHTLC>)>) {
let logger = WithChannelContext::from(&self.logger, &channel.context);
- log_trace!(logger, "Handling channel resumption for channel {} with {} RAA, {} commitment update, {} pending forwards, {}broadcasting funding, {} channel ready, {} announcement",
+ log_trace!(logger, "Handling channel resumption for channel {} with {} RAA, {} commitment update, {} pending forwards, {} pending update_add_htlcs, {}broadcasting funding, {} channel ready, {} announcement",
&channel.context.channel_id(),
if raa.is_some() { "an" } else { "no" },
- if commitment_update.is_some() { "a" } else { "no" }, pending_forwards.len(),
+ if commitment_update.is_some() { "a" } else { "no" },
+ pending_forwards.len(), pending_update_adds.len(),
if funding_broadcastable.is_some() { "" } else { "not " },
if channel_ready.is_some() { "sending" } else { "without" },
if announcement_sigs.is_some() { "sending" } else { "without" });
- let mut htlc_forwards = None;
-
let counterparty_node_id = channel.context.get_counterparty_node_id();
+ let short_channel_id = channel.context.get_short_channel_id().unwrap_or(channel.context.outbound_scid_alias());
+
+ let mut htlc_forwards = None;
if !pending_forwards.is_empty() {
- htlc_forwards = Some((channel.context.get_short_channel_id().unwrap_or(channel.context.outbound_scid_alias()),
- channel.context.get_funding_txo().unwrap(), channel.context.channel_id(), channel.context.get_user_id(), pending_forwards));
+ htlc_forwards = Some((short_channel_id, channel.context.get_funding_txo().unwrap(),
+ channel.context.channel_id(), channel.context.get_user_id(), pending_forwards));
+ }
+ let mut decode_update_add_htlcs = None;
+ if !pending_update_adds.is_empty() {
+ decode_update_add_htlcs = Some((short_channel_id, pending_update_adds));
}
if let Some(msg) = channel_ready {
emit_channel_ready_event!(pending_events, channel);
}
- htlc_forwards
+ (htlc_forwards, decode_update_add_htlcs)
}
fn channel_monitor_updated(&self, funding_txo: &OutPoint, channel_id: &ChannelId, highest_applied_update_id: u64, counterparty_node_id: Option<&PublicKey>) {
// happening and return an error. N.B. that we create channel with an outbound SCID of zero so
// that we can delay allocating the SCID until after we're sure that the checks below will
// succeed.
- let mut channel = match peer_state.inbound_channel_request_by_id.remove(temporary_channel_id) {
+ let res = match peer_state.inbound_channel_request_by_id.remove(temporary_channel_id) {
Some(unaccepted_channel) => {
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
InboundV1Channel::new(&self.fee_estimator, &self.entropy_source, &self.signer_provider,
counterparty_node_id.clone(), &self.channel_type_features(), &peer_state.latest_features,
&unaccepted_channel.open_channel_msg, user_channel_id, &self.default_configuration, best_block_height,
- &self.logger, accept_0conf).map_err(|e| {
- let err_str = e.to_string();
- log_error!(logger, "{}", err_str);
-
- APIError::ChannelUnavailable { err: err_str }
- })
- }
+ &self.logger, accept_0conf).map_err(|err| MsgHandleErrInternal::from_chan_no_close(err, *temporary_channel_id))
+ },
_ => {
let err_str = "No such channel awaiting to be accepted.".to_owned();
log_error!(logger, "{}", err_str);
- Err(APIError::APIMisuseError { err: err_str })
+ return Err(APIError::APIMisuseError { err: err_str });
}
- }?;
+ };
- if accept_0conf {
- // This should have been correctly configured by the call to InboundV1Channel::new.
- debug_assert!(channel.context.minimum_depth().unwrap() == 0);
- } else if channel.context.get_channel_type().requires_zero_conf() {
- let send_msg_err_event = events::MessageSendEvent::HandleError {
- node_id: channel.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage{
- msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "No zero confirmation channels accepted".to_owned(), }
+ match res {
+ Err(err) => {
+ mem::drop(peer_state_lock);
+ mem::drop(per_peer_state);
+ match handle_error!(self, Result::<(), MsgHandleErrInternal>::Err(err), *counterparty_node_id) {
+ Ok(_) => unreachable!("`handle_error` only returns Err as we've passed in an Err"),
+ Err(e) => {
+ return Err(APIError::ChannelUnavailable { err: e.err });
+ },
}
- };
- peer_state.pending_msg_events.push(send_msg_err_event);
- let err_str = "Please use accept_inbound_channel_from_trusted_peer_0conf to accept channels with zero confirmations.".to_owned();
- log_error!(logger, "{}", err_str);
+ }
+ Ok(mut channel) => {
+ if accept_0conf {
+ // This should have been correctly configured by the call to InboundV1Channel::new.
+ debug_assert!(channel.context.minimum_depth().unwrap() == 0);
+ } else if channel.context.get_channel_type().requires_zero_conf() {
+ let send_msg_err_event = events::MessageSendEvent::HandleError {
+ node_id: channel.context.get_counterparty_node_id(),
+ action: msgs::ErrorAction::SendErrorMessage{
+ msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "No zero confirmation channels accepted".to_owned(), }
+ }
+ };
+ peer_state.pending_msg_events.push(send_msg_err_event);
+ let err_str = "Please use accept_inbound_channel_from_trusted_peer_0conf to accept channels with zero confirmations.".to_owned();
+ log_error!(logger, "{}", err_str);
- return Err(APIError::APIMisuseError { err: err_str });
- } else {
- // If this peer already has some channels, a new channel won't increase our number of peers
- // with unfunded channels, so as long as we aren't over the maximum number of unfunded
- // channels per-peer we can accept channels from a peer with existing ones.
- if is_only_peer_channel && peers_without_funded_channels >= MAX_UNFUNDED_CHANNEL_PEERS {
- let send_msg_err_event = events::MessageSendEvent::HandleError {
- node_id: channel.context.get_counterparty_node_id(),
- action: msgs::ErrorAction::SendErrorMessage{
- msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "Have too many peers with unfunded channels, not accepting new ones".to_owned(), }
- }
- };
- peer_state.pending_msg_events.push(send_msg_err_event);
- let err_str = "Too many peers with unfunded channels, refusing to accept new ones".to_owned();
- log_error!(logger, "{}", err_str);
+ return Err(APIError::APIMisuseError { err: err_str });
+ } else {
+ // If this peer already has some channels, a new channel won't increase our number of peers
+ // with unfunded channels, so as long as we aren't over the maximum number of unfunded
+ // channels per-peer we can accept channels from a peer with existing ones.
+ if is_only_peer_channel && peers_without_funded_channels >= MAX_UNFUNDED_CHANNEL_PEERS {
+ let send_msg_err_event = events::MessageSendEvent::HandleError {
+ node_id: channel.context.get_counterparty_node_id(),
+ action: msgs::ErrorAction::SendErrorMessage{
+ msg: msgs::ErrorMessage { channel_id: temporary_channel_id.clone(), data: "Have too many peers with unfunded channels, not accepting new ones".to_owned(), }
+ }
+ };
+ peer_state.pending_msg_events.push(send_msg_err_event);
+ let err_str = "Too many peers with unfunded channels, refusing to accept new ones".to_owned();
+ log_error!(logger, "{}", err_str);
- return Err(APIError::APIMisuseError { err: err_str });
- }
- }
+ return Err(APIError::APIMisuseError { err: err_str });
+ }
+ }
- // Now that we know we have a channel, assign an outbound SCID alias.
- let outbound_scid_alias = self.create_and_insert_outbound_scid_alias();
- channel.context.set_outbound_scid_alias(outbound_scid_alias);
+ // Now that we know we have a channel, assign an outbound SCID alias.
+ let outbound_scid_alias = self.create_and_insert_outbound_scid_alias();
+ channel.context.set_outbound_scid_alias(outbound_scid_alias);
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
- node_id: channel.context.get_counterparty_node_id(),
- msg: channel.accept_inbound_channel(),
- });
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendAcceptChannel {
+ node_id: channel.context.get_counterparty_node_id(),
+ msg: channel.accept_inbound_channel(),
+ });
- peer_state.channel_by_id.insert(temporary_channel_id.clone(), ChannelPhase::UnfundedInboundV1(channel));
+ peer_state.channel_by_id.insert(temporary_channel_id.clone(), ChannelPhase::UnfundedInboundV1(channel));
- Ok(())
+ Ok(())
+ },
+ }
}
/// Gets the number of peers which match the given filter and do not have any funded, outbound,
fn peers_without_funded_channels<Filter>(&self, maybe_count_peer: Filter) -> usize
where Filter: Fn(&PeerState<SP>) -> bool {
let mut peers_without_funded_channels = 0;
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
{
let peer_state_lock = self.per_peer_state.read().unwrap();
for (_, peer_mtx) in peer_state_lock.iter() {
num_unfunded_channels += 1;
}
},
+ // TODO(dual_funding): Combine this match arm with above once #[cfg(dual_funding)] is removed.
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedInboundV2(chan) => {
+ // Only inbound V2 channels that are not 0conf and that we do not contribute to will be
+ // included in the unfunded count.
+ if chan.context.minimum_depth().unwrap_or(1) != 0 &&
+ chan.dual_funding_context.our_funding_satoshis == 0 {
+ num_unfunded_channels += 1;
+ }
+ },
ChannelPhase::UnfundedOutboundV1(_) => {
// Outbound channels don't contribute to the unfunded count in the DoS context.
continue;
+ },
+ // TODO(dual_funding): Combine this match arm with above once #[cfg(dual_funding)] is removed.
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(_) => {
+ // Outbound channels don't contribute to the unfunded count in the DoS context.
+ continue;
}
}
}
msg.common_fields.temporary_channel_id.clone()));
}
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
if Self::unfunded_channel_count(peer_state, best_block_height) >= MAX_UNFUNDED_CHANS_PER_PEER {
return Err(MsgHandleErrInternal::send_err_msg_no_close(
format!("Refusing more than {} unfunded channels.", MAX_UNFUNDED_CHANS_PER_PEER),
// If we're doing manual acceptance checks on the channel, then defer creation until we're sure we want to accept.
if self.default_configuration.manually_accept_inbound_channels {
let channel_type = channel::channel_type_from_open_channel(
- &msg, &peer_state.latest_features, &self.channel_type_features()
+ &msg.common_fields, &peer_state.latest_features, &self.channel_type_features()
).map_err(|e|
MsgHandleErrInternal::from_chan_no_close(e, msg.common_fields.temporary_channel_id)
)?;
let mut chan = remove_channel_phase!(self, chan_phase_entry);
finish_shutdown = Some(chan.context_mut().force_shutdown(false, ClosureReason::CounterpartyCoopClosedUnfundedChannel));
},
+ // TODO(dual_funding): Combine this match arm with above.
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedInboundV2(_) | ChannelPhase::UnfundedOutboundV2(_) => {
+ let context = phase.context_mut();
+ log_error!(self.logger, "Immediately closing unfunded channel {} as peer asked to cooperatively shut it down (which is unnecessary)", &msg.channel_id);
+ let mut chan = remove_channel_phase!(self, chan_phase_entry);
+ finish_shutdown = Some(chan.context_mut().force_shutdown(false, ClosureReason::CounterpartyCoopClosedUnfundedChannel));
+ },
}
} else {
return Err(MsgHandleErrInternal::send_err_msg_no_close(format!("Got a message for a channel from the wrong node! No such channel for the passed counterparty_node_id {}", counterparty_node_id), msg.channel_id))
fn internal_update_fulfill_htlc(&self, counterparty_node_id: &PublicKey, msg: &msgs::UpdateFulfillHTLC) -> Result<(), MsgHandleErrInternal> {
let funding_txo;
+ let next_user_channel_id;
let (htlc_source, forwarded_htlc_value, skimmed_fee_msat) = {
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
// outbound HTLC is claimed. This is guaranteed to all complete before we
// process the RAA as messages are processed from single peers serially.
funding_txo = chan.context.get_funding_txo().expect("We won't accept a fulfill until funded");
+ next_user_channel_id = chan.context.get_user_id();
res
} else {
return try_chan_phase_entry!(self, Err(ChannelError::Close(
};
self.claim_funds_internal(htlc_source, msg.payment_preimage.clone(),
Some(forwarded_htlc_value), skimmed_fee_msat, false, false, Some(*counterparty_node_id),
- funding_txo, msg.channel_id
+ funding_txo, msg.channel_id, Some(next_user_channel_id),
);
Ok(())
}
}
+ fn push_decode_update_add_htlcs(&self, mut update_add_htlcs: (u64, Vec<msgs::UpdateAddHTLC>)) {
+ let mut decode_update_add_htlcs = self.decode_update_add_htlcs.lock().unwrap();
+ let scid = update_add_htlcs.0;
+ match decode_update_add_htlcs.entry(scid) {
+ hash_map::Entry::Occupied(mut e) => { e.get_mut().append(&mut update_add_htlcs.1); },
+ hash_map::Entry::Vacant(e) => { e.insert(update_add_htlcs.1); },
+ }
+ }
+
#[inline]
fn forward_htlcs(&self, per_source_pending_forwards: &mut [(u64, OutPoint, ChannelId, u128, Vec<(PendingHTLCInfo, u64)>)]) {
for &mut (prev_short_channel_id, prev_funding_outpoint, prev_channel_id, prev_user_channel_id, ref mut pending_forwards) in per_source_pending_forwards {
peer_state.pending_msg_events.push(events::MessageSendEvent::BroadcastChannelAnnouncement {
msg: try_chan_phase_entry!(self, chan.announcement_signatures(
- &self.node_signer, self.chain_hash, 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,
}
fn internal_channel_reestablish(&self, counterparty_node_id: &PublicKey, msg: &msgs::ChannelReestablish) -> Result<NotifyOption, MsgHandleErrInternal> {
- let htlc_forwards;
let need_lnd_workaround = {
let per_peer_state = self.per_peer_state.read().unwrap();
}
}
let need_lnd_workaround = chan.context.workaround_lnd_bug_4006.take();
- htlc_forwards = self.handle_channel_resumption(
+ let (htlc_forwards, decode_update_add_htlcs) = self.handle_channel_resumption(
&mut peer_state.pending_msg_events, chan, responses.raa, responses.commitment_update, responses.order,
- Vec::new(), None, responses.channel_ready, responses.announcement_sigs);
+ Vec::new(), Vec::new(), None, responses.channel_ready, responses.announcement_sigs);
+ debug_assert!(htlc_forwards.is_none());
+ debug_assert!(decode_update_add_htlcs.is_none());
if let Some(upd) = channel_update {
peer_state.pending_msg_events.push(upd);
}
}
};
- let mut persist = NotifyOption::SkipPersistHandleEvents;
- if let Some(forwards) = htlc_forwards {
- self.forward_htlcs(&mut [forwards][..]);
- persist = NotifyOption::DoPersist;
- }
-
if let Some(channel_ready_msg) = need_lnd_workaround {
self.internal_channel_ready(counterparty_node_id, &channel_ready_msg)?;
}
- Ok(persist)
+ Ok(NotifyOption::SkipPersistHandleEvents)
}
/// Process pending events from the [`chain::Watch`], returning whether any events were processed.
log_trace!(logger, "Claiming HTLC with preimage {} from our monitor", preimage);
self.claim_funds_internal(htlc_update.source, preimage,
htlc_update.htlc_value_satoshis.map(|v| v * 1000), None, true,
- false, counterparty_node_id, funding_outpoint, channel_id);
+ false, counterparty_node_id, funding_outpoint, channel_id, None);
} else {
log_trace!(logger, "Failing HTLC with hash {} from our monitor", &htlc_update.payment_hash);
let receiver = HTLCDestination::NextHopChannel { node_id: counterparty_node_id, channel_id };
self.fail_htlc_backwards_internal(&htlc_update.source, &htlc_update.payment_hash, &reason, receiver);
}
},
- MonitorEvent::HolderForceClosed(_funding_outpoint) => {
+ MonitorEvent::HolderForceClosed(_) | MonitorEvent::HolderForceClosedWithInfo { .. } => {
let counterparty_node_id_opt = match counterparty_node_id {
Some(cp_id) => Some(cp_id),
None => {
let pending_msg_events = &mut peer_state.pending_msg_events;
if let hash_map::Entry::Occupied(chan_phase_entry) = peer_state.channel_by_id.entry(channel_id) {
if let ChannelPhase::Funded(mut chan) = remove_channel_phase!(self, chan_phase_entry) {
- failed_channels.push(chan.context.force_shutdown(false, ClosureReason::HolderForceClosed));
+ let reason = if let MonitorEvent::HolderForceClosedWithInfo { reason, .. } = monitor_event {
+ reason
+ } else {
+ ClosureReason::HolderForceClosed
+ };
+ failed_channels.push(chan.context.force_shutdown(false, reason.clone()));
if let Ok(update) = self.get_channel_update_for_broadcast(&chan) {
pending_msg_events.push(events::MessageSendEvent::BroadcastChannelUpdate {
msg: update
pending_msg_events.push(events::MessageSendEvent::HandleError {
node_id: chan.context.get_counterparty_node_id(),
action: msgs::ErrorAction::DisconnectPeer {
- msg: Some(msgs::ErrorMessage { channel_id: chan.context.channel_id(), data: "Channel force-closed".to_owned() })
+ msg: Some(msgs::ErrorMessage { channel_id: chan.context.channel_id(), data: reason.to_string() })
},
});
}
self.finish_close_channel(failure);
}
}
+}
+macro_rules! create_offer_builder { ($self: ident, $builder: ty) => {
/// Creates an [`OfferBuilder`] such that the [`Offer`] it builds is recognized by the
/// [`ChannelManager`] when handling [`InvoiceRequest`] messages for the offer. The offer will
/// not have an expiration unless otherwise set on the builder.
/// [`Offer`]: crate::offers::offer::Offer
/// [`InvoiceRequest`]: crate::offers::invoice_request::InvoiceRequest
pub fn create_offer_builder(
- &self, description: String
- ) -> Result<OfferBuilder<DerivedMetadata, secp256k1::All>, Bolt12SemanticError> {
- let node_id = self.get_our_node_id();
- let expanded_key = &self.inbound_payment_key;
- let entropy = &*self.entropy_source;
- let secp_ctx = &self.secp_ctx;
-
- let path = self.create_blinded_path().map_err(|_| Bolt12SemanticError::MissingPaths)?;
+ &$self, description: String
+ ) -> Result<$builder, Bolt12SemanticError> {
+ let node_id = $self.get_our_node_id();
+ let expanded_key = &$self.inbound_payment_key;
+ let entropy = &*$self.entropy_source;
+ let secp_ctx = &$self.secp_ctx;
+
+ let path = $self.create_blinded_path().map_err(|_| Bolt12SemanticError::MissingPaths)?;
let builder = OfferBuilder::deriving_signing_pubkey(
description, node_id, expanded_key, entropy, secp_ctx
)
- .chain_hash(self.chain_hash)
+ .chain_hash($self.chain_hash)
.path(path);
- Ok(builder)
+ Ok(builder.into())
}
+} }
+macro_rules! create_refund_builder { ($self: ident, $builder: ty) => {
/// Creates a [`RefundBuilder`] such that the [`Refund`] it builds is recognized by the
/// [`ChannelManager`] when handling [`Bolt12Invoice`] messages for the refund.
///
/// [`Bolt12Invoice::payment_paths`]: crate::offers::invoice::Bolt12Invoice::payment_paths
/// [Avoiding Duplicate Payments]: #avoiding-duplicate-payments
pub fn create_refund_builder(
- &self, description: String, amount_msats: u64, absolute_expiry: Duration,
+ &$self, description: String, amount_msats: u64, absolute_expiry: Duration,
payment_id: PaymentId, retry_strategy: Retry, max_total_routing_fee_msat: Option<u64>
- ) -> Result<RefundBuilder<secp256k1::All>, Bolt12SemanticError> {
- let node_id = self.get_our_node_id();
- let expanded_key = &self.inbound_payment_key;
- let entropy = &*self.entropy_source;
- let secp_ctx = &self.secp_ctx;
+ ) -> Result<$builder, Bolt12SemanticError> {
+ let node_id = $self.get_our_node_id();
+ let expanded_key = &$self.inbound_payment_key;
+ let entropy = &*$self.entropy_source;
+ let secp_ctx = &$self.secp_ctx;
- let path = self.create_blinded_path().map_err(|_| Bolt12SemanticError::MissingPaths)?;
+ let path = $self.create_blinded_path().map_err(|_| Bolt12SemanticError::MissingPaths)?;
let builder = RefundBuilder::deriving_payer_id(
description, node_id, expanded_key, entropy, secp_ctx, amount_msats, payment_id
)?
- .chain_hash(self.chain_hash)
+ .chain_hash($self.chain_hash)
.absolute_expiry(absolute_expiry)
.path(path);
+ let _persistence_guard = PersistenceNotifierGuard::notify_on_drop($self);
+
let expiration = StaleExpiration::AbsoluteTimeout(absolute_expiry);
- self.pending_outbound_payments
+ $self.pending_outbound_payments
.add_new_awaiting_invoice(
payment_id, expiration, retry_strategy, max_total_routing_fee_msat,
)
.map_err(|_| Bolt12SemanticError::DuplicatePaymentId)?;
- Ok(builder)
+ Ok(builder.into())
}
+} }
+
+impl<M: Deref, T: Deref, ES: Deref, NS: Deref, SP: Deref, F: Deref, R: Deref, L: Deref> ChannelManager<M, T, ES, NS, SP, F, R, L>
+where
+ M::Target: chain::Watch<<SP::Target as SignerProvider>::EcdsaSigner>,
+ T::Target: BroadcasterInterface,
+ ES::Target: EntropySource,
+ NS::Target: NodeSigner,
+ SP::Target: SignerProvider,
+ F::Target: FeeEstimator,
+ R::Target: Router,
+ L::Target: Logger,
+{
+ #[cfg(not(c_bindings))]
+ create_offer_builder!(self, OfferBuilder<DerivedMetadata, secp256k1::All>);
+ #[cfg(not(c_bindings))]
+ create_refund_builder!(self, RefundBuilder<secp256k1::All>);
+
+ #[cfg(c_bindings)]
+ create_offer_builder!(self, OfferWithDerivedMetadataBuilder);
+ #[cfg(c_bindings)]
+ create_refund_builder!(self, RefundMaybeWithDerivedMetadataBuilder);
/// Pays for an [`Offer`] using the given parameters by creating an [`InvoiceRequest`] and
/// enqueuing it to be sent via an onion message. [`ChannelManager`] will pay the actual
/// Errors if:
/// - a duplicate `payment_id` is provided given the caveats in the aforementioned link,
/// - the provided parameters are invalid for the offer,
+ /// - the offer is for an unsupported chain, or
/// - the parameterized [`Router`] is unable to create a blinded reply path for the invoice
/// request.
///
let entropy = &*self.entropy_source;
let secp_ctx = &self.secp_ctx;
- let builder = offer
+ let builder: InvoiceRequestBuilder<DerivedPayerId, secp256k1::All> = offer
.request_invoice_deriving_payer_id(expanded_key, entropy, secp_ctx, payment_id)?
- .chain_hash(self.chain_hash)?;
+ .into();
+ let builder = builder.chain_hash(self.chain_hash)?;
+
let builder = match quantity {
None => builder,
Some(quantity) => builder.quantity(quantity)?,
let invoice_request = builder.build_and_sign()?;
let reply_path = self.create_blinded_path().map_err(|_| Bolt12SemanticError::MissingPaths)?;
+ let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
+
let expiration = StaleExpiration::TimerTicks(1);
self.pending_outbound_payments
.add_new_awaiting_invoice(
///
/// # Errors
///
- /// Errors if the parameterized [`Router`] is unable to create a blinded payment path or reply
- /// path for the invoice.
+ /// Errors if:
+ /// - the refund is for an unsupported chain, or
+ /// - the parameterized [`Router`] is unable to create a blinded payment path or reply path for
+ /// the invoice.
///
/// [`Bolt12Invoice`]: crate::offers::invoice::Bolt12Invoice
pub fn request_refund_payment(&self, refund: &Refund) -> Result<(), Bolt12SemanticError> {
let amount_msats = refund.amount_msats();
let relative_expiry = DEFAULT_RELATIVE_EXPIRY.as_secs() as u32;
+ if refund.chain() != self.chain_hash {
+ return Err(Bolt12SemanticError::UnsupportedChain);
+ }
+
+ let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
+
match self.create_inbound_payment(Some(amount_msats), relative_expiry, None) {
Ok((payment_hash, payment_secret)) => {
let payment_paths = self.create_blinded_payment_paths(amount_msats, payment_secret)
let builder = refund.respond_using_derived_keys_no_std(
payment_paths, payment_hash, created_at, expanded_key, entropy
)?;
+ let builder: InvoiceBuilder<DerivedSigningPubkey> = builder.into();
let invoice = builder.allow_mpp().build_and_sign(secp_ctx)?;
let reply_path = self.create_blinded_path()
.map_err(|_| Bolt12SemanticError::MissingPaths)?;
let first_hops = self.list_usable_channels();
let payee_node_id = self.get_our_node_id();
- let max_cltv_expiry = self.best_block.read().unwrap().height() + CLTV_FAR_FAR_AWAY
+ let max_cltv_expiry = self.best_block.read().unwrap().height + CLTV_FAR_FAR_AWAY
+ LATENCY_GRACE_PERIOD_BLOCKS;
let payee_tlvs = ReceiveTlvs {
payment_secret,
///
/// [phantom node payments]: crate::sign::PhantomKeysManager
pub fn get_phantom_scid(&self) -> u64 {
- let best_block_height = self.best_block.read().unwrap().height();
+ 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.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
/// Note that this method is not guaranteed to return unique values, you may need to call it a few
/// times to get a unique scid.
pub fn get_intercept_scid(&self) -> u64 {
- let best_block_height = self.best_block.read().unwrap().height();
+ 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.chain_hash, &self.fake_scid_rand_bytes, &self.entropy_source);
fn filtered_block_connected(&self, header: &Header, txdata: &TransactionData, height: u32) {
{
let best_block = self.best_block.read().unwrap();
- assert_eq!(best_block.block_hash(), header.prev_blockhash,
+ assert_eq!(best_block.block_hash, header.prev_blockhash,
"Blocks must be connected in chain-order - the connected header must build on the last connected header");
- assert_eq!(best_block.height(), height - 1,
+ assert_eq!(best_block.height, height - 1,
"Blocks must be connected in chain-order - the connected block height must be one greater than the previous height");
}
let new_height = height - 1;
{
let mut best_block = self.best_block.write().unwrap();
- assert_eq!(best_block.block_hash(), header.block_hash(),
+ assert_eq!(best_block.block_hash, header.block_hash(),
"Blocks must be disconnected in chain-order - the disconnected header must be the last connected header");
- assert_eq!(best_block.height(), height,
+ assert_eq!(best_block.height, height,
"Blocks must be disconnected in chain-order - the disconnected block must have the correct height");
*best_block = BestBlock::new(header.prev_blockhash, new_height)
}
self.do_chain_event(Some(height), |channel| channel.transactions_confirmed(&block_hash, height, txdata, self.chain_hash, &self.node_signer, &self.default_configuration, &&WithChannelContext::from(&self.logger, &channel.context))
.map(|(a, b)| (a, Vec::new(), b)));
- let last_best_block_height = self.best_block.read().unwrap().height();
+ 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.chain_hash, &self.node_signer, &self.default_configuration, &&WithChannelContext::from(&self.logger, &channel.context)));
match phase {
// Retain unfunded channels.
ChannelPhase::UnfundedOutboundV1(_) | ChannelPhase::UnfundedInboundV1(_) => true,
+ // TODO(dual_funding): Combine this match arm with above.
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(_) | ChannelPhase::UnfundedInboundV2(_) => true,
ChannelPhase::Funded(channel) => {
let res = f(channel);
if let Ok((channel_ready_opt, mut timed_out_pending_htlcs, announcement_sigs)) = res {
ChannelPhase::UnfundedInboundV1(chan) => {
&mut chan.context
},
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(chan) => {
+ &mut chan.context
+ },
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedInboundV2(chan) => {
+ &mut chan.context
+ },
};
// Clean up for removal.
update_maps_on_chan_removal!(self, &context);
let mut peer_state = e.get().lock().unwrap();
peer_state.latest_features = init_msg.features.clone();
- let best_block_height = self.best_block.read().unwrap().height();
+ let best_block_height = self.best_block.read().unwrap().height;
if inbound_peer_limited &&
Self::unfunded_channel_count(&*peer_state, best_block_height) ==
peer_state.channel_by_id.len()
});
}
+ // TODO(dual_funding): Combine this match arm with above once #[cfg(dual_funding)] is removed.
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedOutboundV2(chan) => {
+ pending_msg_events.push(events::MessageSendEvent::SendOpenChannelV2 {
+ node_id: chan.context.get_counterparty_node_id(),
+ msg: chan.get_open_channel_v2(self.chain_hash),
+ });
+ },
+
ChannelPhase::UnfundedInboundV1(_) => {
// Since unfunded inbound channel maps are cleared upon disconnecting a peer,
// they are not persisted and won't be recovered after a crash.
// Therefore, they shouldn't exist at this point.
debug_assert!(false);
}
+
+ // TODO(dual_funding): Combine this match arm with above once #[cfg(dual_funding)] is removed.
+ #[cfg(dual_funding)]
+ ChannelPhase::UnfundedInboundV2(channel) => {
+ // Since unfunded inbound channel maps are cleared upon disconnecting a peer,
+ // they are not persisted and won't be recovered after a crash.
+ // Therefore, they shouldn't exist at this point.
+ debug_assert!(false);
+ },
}
}
}
}
fn handle_error(&self, counterparty_node_id: &PublicKey, msg: &msgs::ErrorMessage) {
- let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
-
match &msg.data as &str {
"cannot co-op close channel w/ active htlcs"|
"link failed to shutdown" =>
// We're not going to bother handling this in a sensible way, instead simply
// repeating the Shutdown message on repeat until morale improves.
if !msg.channel_id.is_zero() {
- let per_peer_state = self.per_peer_state.read().unwrap();
- let peer_state_mutex_opt = per_peer_state.get(counterparty_node_id);
- if peer_state_mutex_opt.is_none() { return; }
- let mut peer_state = peer_state_mutex_opt.unwrap().lock().unwrap();
- if let Some(ChannelPhase::Funded(chan)) = peer_state.channel_by_id.get(&msg.channel_id) {
- if let Some(msg) = chan.get_outbound_shutdown() {
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
- node_id: *counterparty_node_id,
- msg,
- });
- }
- peer_state.pending_msg_events.push(events::MessageSendEvent::HandleError {
- node_id: *counterparty_node_id,
- action: msgs::ErrorAction::SendWarningMessage {
- msg: msgs::WarningMessage {
- channel_id: msg.channel_id,
- data: "You appear to be exhibiting LND bug 6039, we'll keep sending you shutdown messages until you handle them correctly".to_owned()
- },
- log_level: Level::Trace,
+ PersistenceNotifierGuard::optionally_notify(
+ self,
+ || -> NotifyOption {
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ let peer_state_mutex_opt = per_peer_state.get(counterparty_node_id);
+ if peer_state_mutex_opt.is_none() { return NotifyOption::SkipPersistNoEvents; }
+ let mut peer_state = peer_state_mutex_opt.unwrap().lock().unwrap();
+ if let Some(ChannelPhase::Funded(chan)) = peer_state.channel_by_id.get(&msg.channel_id) {
+ if let Some(msg) = chan.get_outbound_shutdown() {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendShutdown {
+ node_id: *counterparty_node_id,
+ msg,
+ });
+ }
+ peer_state.pending_msg_events.push(events::MessageSendEvent::HandleError {
+ node_id: *counterparty_node_id,
+ action: msgs::ErrorAction::SendWarningMessage {
+ msg: msgs::WarningMessage {
+ channel_id: msg.channel_id,
+ data: "You appear to be exhibiting LND bug 6039, we'll keep sending you shutdown messages until you handle them correctly".to_owned()
+ },
+ log_level: Level::Trace,
+ }
+ });
+ // This can happen in a fairly tight loop, so we absolutely cannot trigger
+ // a `ChannelManager` write here.
+ return NotifyOption::SkipPersistHandleEvents;
}
- });
- }
+ NotifyOption::SkipPersistNoEvents
+ }
+ );
}
return;
}
_ => {}
}
+ let _persistence_guard = PersistenceNotifierGuard::notify_on_drop(self);
+
if msg.channel_id.is_zero() {
let channel_ids: Vec<ChannelId> = {
let per_peer_state = self.per_peer_state.read().unwrap();
if peer_state_mutex_opt.is_none() { return; }
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.chain_hash, &self.fee_estimator) {
- peer_state.pending_msg_events.push(events::MessageSendEvent::SendOpenChannel {
- node_id: *counterparty_node_id,
- msg,
- });
- return;
- }
+ match peer_state.channel_by_id.get_mut(&msg.channel_id) {
+ Some(ChannelPhase::UnfundedOutboundV1(ref mut chan)) => {
+ 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,
+ });
+ return;
+ }
+ },
+ #[cfg(dual_funding)]
+ Some(ChannelPhase::UnfundedOutboundV2(ref mut chan)) => {
+ if let Ok(msg) = chan.maybe_handle_error_without_close(self.chain_hash, &self.fee_estimator) {
+ peer_state.pending_msg_events.push(events::MessageSendEvent::SendOpenChannelV2 {
+ node_id: *counterparty_node_id,
+ msg,
+ });
+ return;
+ }
+ },
+ None | Some(ChannelPhase::UnfundedInboundV1(_) | ChannelPhase::Funded(_)) => (),
+ #[cfg(dual_funding)]
+ Some(ChannelPhase::UnfundedInboundV2(_)) => (),
}
}
let builder = invoice_request.respond_using_derived_keys_no_std(
payment_paths, payment_hash, created_at
);
+ let builder: Result<InvoiceBuilder<DerivedSigningPubkey>, _> =
+ builder.map(|b| b.into());
match builder.and_then(|b| b.allow_mpp().build_and_sign(secp_ctx)) {
Ok(invoice) => Some(OffersMessage::Invoice(invoice)),
Err(error) => Some(OffersMessage::InvoiceError(error.into())),
let builder = invoice_request.respond_with_no_std(
payment_paths, payment_hash, created_at
);
+ let builder: Result<InvoiceBuilder<ExplicitSigningPubkey>, _> =
+ builder.map(|b| b.into());
let response = builder.and_then(|builder| builder.allow_mpp().build())
.map_err(|e| OffersMessage::InvoiceError(e.into()))
- .and_then(|invoice|
- match invoice.sign(|invoice| self.node_signer.sign_bolt12_invoice(invoice)) {
+ .and_then(|invoice| {
+ #[cfg(c_bindings)]
+ let mut invoice = invoice;
+ match invoice.sign(|invoice: &UnsignedBolt12Invoice|
+ self.node_signer.sign_bolt12_invoice(invoice)
+ ) {
Ok(invoice) => Ok(OffersMessage::Invoice(invoice)),
- Err(SignError::Signing(())) => Err(OffersMessage::InvoiceError(
+ Err(SignError::Signing) => Err(OffersMessage::InvoiceError(
InvoiceError::from_string("Failed signing invoice".to_string())
)),
Err(SignError::Verification(_)) => Err(OffersMessage::InvoiceError(
InvoiceError::from_string("Failed invoice signature verification".to_string())
)),
- });
+ }
+ });
match response {
Ok(invoice) => Some(invoice),
Err(error) => Some(error),
},
(2, ReceiveKeysend) => {
(0, payment_preimage, required),
+ (1, requires_blinded_error, (default_value, false)),
(2, incoming_cltv_expiry, required),
(3, payment_metadata, option),
(4, payment_data, option), // Added in 0.0.116
self.chain_hash.write(writer)?;
{
let best_block = self.best_block.read().unwrap();
- best_block.height().write(writer)?;
- best_block.block_hash().write(writer)?;
+ best_block.height.write(writer)?;
+ best_block.block_hash.write(writer)?;
}
let mut serializable_peer_count: u64 = 0;
}
}
+ let mut decode_update_add_htlcs_opt = None;
+ let decode_update_add_htlcs = self.decode_update_add_htlcs.lock().unwrap();
+ if !decode_update_add_htlcs.is_empty() {
+ decode_update_add_htlcs_opt = Some(decode_update_add_htlcs);
+ }
+
let per_peer_state = self.per_peer_state.write().unwrap();
let pending_inbound_payments = self.pending_inbound_payments.lock().unwrap();
(10, in_flight_monitor_updates, option),
(11, self.probing_cookie_secret, required),
(13, htlc_onion_fields, optional_vec),
+ (14, decode_update_add_htlcs_opt, option),
});
Ok(())
let mut monitor_update_blocked_actions_per_peer: Option<Vec<(_, BTreeMap<_, Vec<_>>)>> = Some(Vec::new());
let mut events_override = None;
let mut in_flight_monitor_updates: Option<HashMap<(PublicKey, OutPoint), Vec<ChannelMonitorUpdate>>> = None;
+ let mut decode_update_add_htlcs: Option<HashMap<u64, Vec<msgs::UpdateAddHTLC>>> = None;
read_tlv_fields!(reader, {
(1, pending_outbound_payments_no_retry, option),
(2, pending_intercepted_htlcs, option),
(10, in_flight_monitor_updates, option),
(11, probing_cookie_secret, option),
(13, claimable_htlc_onion_fields, optional_vec),
+ (14, decode_update_add_htlcs, option),
});
+ let decode_update_add_htlcs = decode_update_add_htlcs.unwrap_or_else(|| new_hash_map());
if fake_scid_rand_bytes.is_none() {
fake_scid_rand_bytes = Some(args.entropy_source.get_secure_random_bytes());
}
pending_intercepted_htlcs: Mutex::new(pending_intercepted_htlcs.unwrap()),
forward_htlcs: Mutex::new(forward_htlcs),
+ decode_update_add_htlcs: Mutex::new(decode_update_add_htlcs),
claimable_payments: Mutex::new(ClaimablePayments { claimable_payments, pending_claiming_payments: pending_claiming_payments.unwrap() }),
outbound_scid_aliases: Mutex::new(outbound_scid_aliases),
outpoint_to_peer: Mutex::new(outpoint_to_peer),
// don't remember in the `ChannelMonitor` where we got a preimage from, but if the
// channel is closed we just assume that it probably came from an on-chain claim.
channel_manager.claim_funds_internal(source, preimage, Some(downstream_value), None,
- downstream_closed, true, downstream_node_id, downstream_funding, downstream_channel_id);
+ downstream_closed, true, downstream_node_id, downstream_funding,
+ downstream_channel_id, None
+ );
}
//TODO: Broadcast channel update for closed channels, but only after we've made a
};
// Check that if the amount we received + the penultimate hop extra fee is less than the sender
// intended amount, we fail the payment.
- let current_height: u32 = node[0].node.best_block.read().unwrap().height();
+ let current_height: u32 = node[0].node.best_block.read().unwrap().height;
if let Err(crate::ln::channelmanager::InboundHTLCErr { err_code, .. }) =
create_recv_pending_htlc_info(hop_data, [0; 32], PaymentHash([0; 32]),
sender_intended_amt_msat - extra_fee_msat - 1, 42, None, true, Some(extra_fee_msat),
}),
custom_tlvs: Vec::new(),
};
- let current_height: u32 = node[0].node.best_block.read().unwrap().height();
+ let current_height: u32 = node[0].node.best_block.read().unwrap().height;
assert!(create_recv_pending_htlc_info(hop_data, [0; 32], PaymentHash([0; 32]),
sender_intended_amt_msat - extra_fee_msat, 42, None, true, Some(extra_fee_msat),
current_height, node[0].node.default_configuration.accept_mpp_keysend).is_ok());
let node_chanmgr = create_node_chanmgrs(1, &node_cfg, &[None]);
let node = create_network(1, &node_cfg, &node_chanmgr);
- let current_height: u32 = node[0].node.best_block.read().unwrap().height();
+ let current_height: u32 = node[0].node.best_block.read().unwrap().height;
let result = create_recv_pending_htlc_info(msgs::InboundOnionPayload::Receive {
sender_intended_htlc_amt_msat: 100,
cltv_expiry_height: 22,
assert_eq!(&tx_broadcaster.txn_broadcasted.lock().unwrap()[..], &[tx.clone()]);
- let block = create_dummy_block(BestBlock::from_network(network).block_hash(), 42, vec![tx]);
+ let block = create_dummy_block(BestBlock::from_network(network).block_hash, 42, vec![tx]);
Listen::block_connected(&node_a, &block, 1);
Listen::block_connected(&node_b, &block, 1);
projects / rust-lightning / blobdiff