#[cfg(any(feature = "_test_utils", test))]
use crate::ln::features::Bolt11InvoiceFeatures;
use crate::routing::router::{BlindedTail, InFlightHtlcs, Path, Payee, PaymentParameters, Route, RouteParameters, Router};
-use crate::ln::onion_payment::{check_incoming_htlc_cltv, create_recv_pending_htlc_info, create_fwd_pending_htlc_info, decode_incoming_update_add_htlc_onion, InboundOnionErr, NextPacketDetails};
+use crate::ln::onion_payment::{check_incoming_htlc_cltv, create_recv_pending_htlc_info, create_fwd_pending_htlc_info, decode_incoming_update_add_htlc_onion, InboundHTLCErr, NextPacketDetails};
use crate::ln::msgs;
use crate::ln::onion_utils;
use crate::ln::onion_utils::{HTLCFailReason, INVALID_ONION_BLINDING};
/// onion payload if we're the introduction node. Useful for calculating the next hop's
/// [`msgs::UpdateAddHTLC::blinding_point`].
pub inbound_blinding_point: PublicKey,
- // Another field will be added here when we support forwarding as a non-intro node.
+ /// If needed, this determines how this HTLC should be failed backwards, based on whether we are
+ /// the introduction node.
+ pub failure: BlindedFailure,
}
impl PendingHTLCRouting {
// Used to override the onion failure code and data if the HTLC is blinded.
fn blinded_failure(&self) -> Option<BlindedFailure> {
- // TODO: needs update when we support forwarding blinded HTLCs as non-intro node
match self {
- Self::Forward { blinded: Some(_), .. } => Some(BlindedFailure::FromIntroductionNode),
+ Self::Forward { blinded: Some(BlindedForward { failure, .. }), .. } => Some(*failure),
Self::Receive { requires_blinded_error: true, .. } => Some(BlindedFailure::FromBlindedNode),
_ => None,
}
},
}
-// Used for failing blinded HTLCs backwards correctly.
+/// Whether this blinded HTLC is being failed backwards by the introduction node or a blinded node,
+/// which determines the failure message that should be used.
#[derive(Clone, Copy, Debug, Hash, PartialEq, Eq)]
-enum BlindedFailure {
+pub enum BlindedFailure {
+ /// This HTLC is being failed backwards by the introduction node, and thus should be failed with
+ /// [`msgs::UpdateFailHTLC`] and error code `0x8000|0x4000|24`.
FromIntroductionNode,
+ /// This HTLC is being failed backwards by a blinded node within the path, and thus should be
+ /// failed with [`msgs::UpdateFailMalformedHTLC`] and error code `0x8000|0x4000|24`.
FromBlindedNode,
}
reason: shutdown_res.closure_reason,
counterparty_node_id: Some(shutdown_res.counterparty_node_id),
channel_capacity_sats: Some(shutdown_res.channel_capacity_satoshis),
+ channel_funding_txo: shutdown_res.channel_funding_txo,
}, None));
if let Some(transaction) = shutdown_res.unbroadcasted_funding_tx {
let is_intro_node_forward = match next_hop {
onion_utils::Hop::Forward {
- // TODO: update this when we support blinded forwarding as non-intro node
- next_hop_data: msgs::InboundOnionPayload::BlindedForward { .. }, ..
+ next_hop_data: msgs::InboundOnionPayload::BlindedForward {
+ intro_node_blinding_point: Some(_), ..
+ }, ..
} => true,
_ => false,
};
// delay) once they've send us a commitment_signed!
PendingHTLCStatus::Forward(info)
},
- Err(InboundOnionErr { err_code, err_data, msg }) => return_err!(msg, err_code, &err_data)
+ Err(InboundHTLCErr { err_code, err_data, msg }) => return_err!(msg, err_code, &err_data)
}
},
onion_utils::Hop::Forward { next_hop_data, next_hop_hmac, new_packet_bytes } => {
match create_fwd_pending_htlc_info(msg, next_hop_data, next_hop_hmac,
new_packet_bytes, shared_secret, next_packet_pubkey_opt) {
Ok(info) => PendingHTLCStatus::Forward(info),
- Err(InboundOnionErr { err_code, err_data, msg }) => return_err!(msg, err_code, &err_data)
+ Err(InboundHTLCErr { err_code, err_data, msg }) => return_err!(msg, err_code, &err_data)
}
}
}
});
}
}
+ mem::drop(funding_batch_states);
for shutdown_result in shutdown_results.drain(..) {
self.finish_close_channel(shutdown_result);
}
current_height, self.default_configuration.accept_mpp_keysend)
{
Ok(info) => phantom_receives.push((prev_short_channel_id, prev_funding_outpoint, prev_user_channel_id, vec![(info, prev_htlc_id)])),
- Err(InboundOnionErr { err_code, err_data, msg }) => failed_payment!(msg, err_code, err_data, Some(phantom_shared_secret))
+ Err(InboundHTLCErr { err_code, err_data, msg }) => failed_payment!(msg, err_code, err_data, Some(phantom_shared_secret))
}
},
_ => panic!(),
incoming_packet_shared_secret: incoming_shared_secret,
// Phantom payments are only PendingHTLCRouting::Receive.
phantom_shared_secret: None,
- blinded_failure: blinded.map(|_| BlindedFailure::FromIntroductionNode),
+ blinded_failure: blinded.map(|b| b.failure),
});
let next_blinding_point = blinded.and_then(|b| {
let encrypted_tlvs_ss = self.node_signer.ecdh(
let per_peer_state = self.per_peer_state.read().unwrap();
let peer_state_mutex = per_peer_state.get(counterparty_node_id)
.ok_or_else(|| {
- let err_str = format!("Can't find a peer matching the passed counterparty node_id {}", counterparty_node_id);
+ let err_str = format!("Can't find a peer matching the passed counterparty node_id {}", counterparty_node_id);
log_error!(logger, "{}", err_str);
- APIError::ChannelUnavailable { err: err_str }
+ APIError::ChannelUnavailable { err: err_str }
})?;
let mut peer_state_lock = peer_state_mutex.lock().unwrap();
let peer_state = &mut *peer_state_lock;
APIError::ChannelUnavailable { err: err_str }
})
}
- _ => {
+ _ => {
let err_str = "No such channel awaiting to be accepted.".to_owned();
log_error!(logger, "{}", err_str);
features.set_channel_type_optional();
features.set_scid_privacy_optional();
features.set_zero_conf_optional();
+ features.set_route_blinding_optional();
if config.channel_handshake_config.negotiate_anchors_zero_fee_htlc_tx {
features.set_anchors_zero_fee_htlc_tx_optional();
}
impl_writeable_tlv_based!(BlindedForward, {
(0, inbound_blinding_point, required),
+ (1, failure, (default_value, BlindedFailure::FromIntroductionNode)),
});
impl_writeable_tlv_based_enum!(PendingHTLCRouting,
reason: ClosureReason::OutdatedChannelManager,
counterparty_node_id: Some(channel.context.get_counterparty_node_id()),
channel_capacity_sats: Some(channel.context.get_value_satoshis()),
+ channel_funding_txo: channel.context.get_funding_txo(),
}, None));
for (channel_htlc_source, payment_hash) in channel.inflight_htlc_sources() {
let mut found_htlc = false;
reason: ClosureReason::DisconnectedPeer,
counterparty_node_id: Some(channel.context.get_counterparty_node_id()),
channel_capacity_sats: Some(channel.context.get_value_satoshis()),
+ channel_funding_txo: channel.context.get_funding_txo(),
}, None));
} else {
log_error!(logger, "Missing ChannelMonitor for channel {} needed by ChannelManager.", &channel.context.channel_id());
log_error!(logger, " client applications must ensure that ChannelMonitor data is always available and the latest to avoid funds loss!");
log_error!(logger, " Without the latest ChannelMonitor we cannot continue without risking funds.");
log_error!(logger, " Please ensure the chain::Watch API requirements are met and file a bug report at https://github.com/lightningdevkit/rust-lightning");
+ log_error!(logger, " Pending in-flight updates are: {:?}", chan_in_flight_updates);
return Err(DecodeError::InvalidValue);
}
}
let sender_intended_amt_msat = 100;
let extra_fee_msat = 10;
let hop_data = msgs::InboundOnionPayload::Receive {
- amt_msat: 100,
- outgoing_cltv_value: 42,
+ sender_intended_htlc_amt_msat: 100,
+ cltv_expiry_height: 42,
payment_metadata: None,
keysend_preimage: None,
payment_data: Some(msgs::FinalOnionHopData {
// 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();
- if let Err(crate::ln::channelmanager::InboundOnionErr { err_code, .. }) =
+ 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),
current_height, node[0].node.default_configuration.accept_mpp_keysend)
// If amt_received + extra_fee is equal to the sender intended amount, we're fine.
let hop_data = msgs::InboundOnionPayload::Receive { // This is the same payload as above, InboundOnionPayload doesn't implement Clone
- amt_msat: 100,
- outgoing_cltv_value: 42,
+ sender_intended_htlc_amt_msat: 100,
+ cltv_expiry_height: 42,
payment_metadata: None,
keysend_preimage: None,
payment_data: Some(msgs::FinalOnionHopData {
let current_height: u32 = node[0].node.best_block.read().unwrap().height();
let result = create_recv_pending_htlc_info(msgs::InboundOnionPayload::Receive {
- amt_msat: 100,
- outgoing_cltv_value: 22,
+ sender_intended_htlc_amt_msat: 100,
+ cltv_expiry_height: 22,
payment_metadata: None,
keysend_preimage: None,
payment_data: Some(msgs::FinalOnionHopData {