// You may not use this file except in accordance with one or both of these
// licenses.
-use crate::ln::{PaymentHash, PaymentPreimage};
+use crate::crypto::chacha20::ChaCha20;
+use crate::crypto::streams::ChaChaReader;
use crate::ln::channelmanager::{HTLCSource, RecipientOnionFields};
use crate::ln::msgs;
use crate::ln::wire::Encode;
+use crate::ln::{PaymentHash, PaymentPreimage};
use crate::routing::gossip::NetworkUpdate;
use crate::routing::router::{BlindedTail, Path, RouteHop};
use crate::sign::NodeSigner;
-use crate::crypto::chacha20::ChaCha20;
-use crate::crypto::streams::ChaChaReader;
use crate::util::errors::{self, APIError};
-use crate::util::ser::{Readable, ReadableArgs, Writeable, Writer, LengthCalculatingWriter};
use crate::util::logger::Logger;
+use crate::util::ser::{LengthCalculatingWriter, Readable, ReadableArgs, Writeable, Writer};
-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 bitcoin::hashes::{Hash, HashEngine};
-use bitcoin::secp256k1::{SecretKey, PublicKey, Secp256k1, Scalar};
-use bitcoin::secp256k1::ecdh::SharedSecret;
use bitcoin::secp256k1;
+use bitcoin::secp256k1::ecdh::SharedSecret;
+use bitcoin::secp256k1::{PublicKey, Scalar, Secp256k1, SecretKey};
-use crate::prelude::*;
use crate::io::{Cursor, Read};
+use crate::prelude::*;
use core::convert::{AsMut, TryInto};
use core::ops::Deref;
/// Calculates a pubkey for the next hop, such as the next hop's packet pubkey or blinding point.
pub(crate) fn next_hop_pubkey<T: secp256k1::Verification>(
- secp_ctx: &Secp256k1<T>, curr_pubkey: PublicKey, shared_secret: &[u8]
+ secp_ctx: &Secp256k1<T>, curr_pubkey: PublicKey, shared_secret: &[u8],
) -> Result<PublicKey, secp256k1::Error> {
let blinding_factor = {
let mut sha = Sha256::engine();
// can only fail if an intermediary hop has an invalid public key or session_priv is invalid
#[inline]
pub(super) fn construct_onion_keys_callback<T, FType>(
- secp_ctx: &Secp256k1<T>, path: &Path, session_priv: &SecretKey, mut callback: FType
+ secp_ctx: &Secp256k1<T>, path: &Path, session_priv: &SecretKey, mut callback: FType,
) -> Result<(), secp256k1::Error>
where
T: secp256k1::Signing,
- FType: FnMut(SharedSecret, [u8; 32], PublicKey, Option<&RouteHop>, usize)
+ FType: FnMut(SharedSecret, [u8; 32], PublicKey, Option<&RouteHop>, usize),
{
let mut blinded_priv = session_priv.clone();
let mut blinded_pub = PublicKey::from_secret_key(secp_ctx, &blinded_priv);
let unblinded_hops_iter = path.hops.iter().map(|h| (&h.pubkey, Some(h)));
- let blinded_pks_iter = path.blinded_tail.as_ref()
- .map(|t| t.hops.iter()).unwrap_or([].iter())
+ let blinded_pks_iter = path
+ .blinded_tail
+ .as_ref()
+ .map(|t| t.hops.iter())
+ .unwrap_or([].iter())
.skip(1) // Skip the intro node because it's included in the unblinded hops
.map(|h| (&h.blinded_node_id, None));
for (idx, (pubkey, route_hop_opt)) in unblinded_hops_iter.chain(blinded_pks_iter).enumerate() {
}
// can only fail if an intermediary hop has an invalid public key or session_priv is invalid
-pub(super) fn construct_onion_keys<T: secp256k1::Signing>(secp_ctx: &Secp256k1<T>, path: &Path, session_priv: &SecretKey) -> Result<Vec<OnionKeys>, secp256k1::Error> {
+pub(super) fn construct_onion_keys<T: secp256k1::Signing>(
+ secp_ctx: &Secp256k1<T>, path: &Path, session_priv: &SecretKey,
+) -> Result<Vec<OnionKeys>, secp256k1::Error> {
let mut res = Vec::with_capacity(path.hops.len());
- construct_onion_keys_callback(secp_ctx, &path, session_priv,
- |shared_secret, _blinding_factor, ephemeral_pubkey, _, _|
- {
- let (rho, mu) = gen_rho_mu_from_shared_secret(shared_secret.as_ref());
+ construct_onion_keys_callback(
+ secp_ctx,
+ &path,
+ session_priv,
+ |shared_secret, _blinding_factor, ephemeral_pubkey, _, _| {
+ let (rho, mu) = gen_rho_mu_from_shared_secret(shared_secret.as_ref());
- res.push(OnionKeys {
- #[cfg(test)]
- shared_secret,
- #[cfg(test)]
- blinding_factor: _blinding_factor,
- ephemeral_pubkey,
- rho,
- mu,
- });
- })?;
+ res.push(OnionKeys {
+ #[cfg(test)]
+ shared_secret,
+ #[cfg(test)]
+ blinding_factor: _blinding_factor,
+ ephemeral_pubkey,
+ rho,
+ mu,
+ });
+ },
+ )?;
Ok(res)
}
/// returns the hop data, as well as the first-hop value_msat and CLTV value we should send.
-pub(super) fn build_onion_payloads(path: &Path, total_msat: u64, mut recipient_onion: RecipientOnionFields, starting_htlc_offset: u32, keysend_preimage: &Option<PaymentPreimage>) -> Result<(Vec<msgs::OutboundOnionPayload>, u64, u32), APIError> {
+pub(super) fn build_onion_payloads(
+ path: &Path, total_msat: u64, mut recipient_onion: RecipientOnionFields,
+ starting_htlc_offset: u32, keysend_preimage: &Option<PaymentPreimage>,
+) -> Result<(Vec<msgs::OutboundOnionPayload>, u64, u32), APIError> {
let mut cur_value_msat = 0u64;
let mut cur_cltv = starting_htlc_offset;
let mut last_short_channel_id = 0;
let mut res: Vec<msgs::OutboundOnionPayload> = Vec::with_capacity(
- path.hops.len() + path.blinded_tail.as_ref().map_or(0, |t| t.hops.len())
+ path.hops.len() + path.blinded_tail.as_ref().map_or(0, |t| t.hops.len()),
);
for (idx, hop) in path.hops.iter().rev().enumerate() {
// exactly as it should be (and the next hop isn't trying to probe to find out if we're
// the intended recipient).
let value_msat = if cur_value_msat == 0 { hop.fee_msat } else { cur_value_msat };
- let cltv = if cur_cltv == starting_htlc_offset { hop.cltv_expiry_delta + starting_htlc_offset } else { cur_cltv };
+ let cltv = if cur_cltv == starting_htlc_offset {
+ hop.cltv_expiry_delta + starting_htlc_offset
+ } else {
+ cur_cltv
+ };
if idx == 0 {
if let Some(BlindedTail {
- blinding_point, hops, final_value_msat, excess_final_cltv_expiry_delta, ..
- }) = &path.blinded_tail {
+ blinding_point,
+ hops,
+ final_value_msat,
+ excess_final_cltv_expiry_delta,
+ ..
+ }) = &path.blinded_tail
+ {
let mut blinding_point = Some(*blinding_point);
for (i, blinded_hop) in hops.iter().enumerate() {
if i == hops.len() - 1 {
} else {
res.push(msgs::OutboundOnionPayload::Receive {
payment_data: if let Some(secret) = recipient_onion.payment_secret.take() {
- Some(msgs::FinalOnionHopData {
- payment_secret: secret,
- total_msat,
- })
- } else { None },
+ Some(msgs::FinalOnionHopData { payment_secret: secret, total_msat })
+ } else {
+ None
+ },
payment_metadata: recipient_onion.payment_metadata.take(),
keysend_preimage: *keysend_preimage,
custom_tlvs: recipient_onion.custom_tlvs.clone(),
let payload = msgs::OutboundOnionPayload::Forward {
short_channel_id: last_short_channel_id,
amt_to_forward: value_msat,
- outgoing_cltv_value: cltv
+ outgoing_cltv_value: cltv,
};
res.insert(0, payload);
}
cur_value_msat += hop.fee_msat;
if cur_value_msat >= 21000000 * 100000000 * 1000 {
- return Err(APIError::InvalidRoute{err: "Channel fees overflowed?".to_owned()});
+ return Err(APIError::InvalidRoute { err: "Channel fees overflowed?".to_owned() });
}
cur_cltv += hop.cltv_expiry_delta as u32;
if cur_cltv >= 500000000 {
- return Err(APIError::InvalidRoute{err: "Channel CLTV overflowed?".to_owned()});
+ return Err(APIError::InvalidRoute { err: "Channel CLTV overflowed?".to_owned() });
}
last_short_channel_id = hop.short_channel_id;
}
/// Length of the onion data packet. Before TLV-based onions this was 20 65-byte hops, though now
/// the hops can be of variable length.
-pub(crate) const ONION_DATA_LEN: usize = 20*65;
+pub(crate) const ONION_DATA_LEN: usize = 20 * 65;
pub(super) const INVALID_ONION_BLINDING: u16 = 0x8000 | 0x4000 | 24;
#[inline]
fn shift_slice_right(arr: &mut [u8], amt: usize) {
for i in (amt..arr.len()).rev() {
- arr[i] = arr[i-amt];
+ arr[i] = arr[i - amt];
}
for i in 0..amt {
arr[i] = 0;
pub(super) fn construct_onion_packet(
payloads: Vec<msgs::OutboundOnionPayload>, onion_keys: Vec<OnionKeys>, prng_seed: [u8; 32],
- associated_data: &PaymentHash
+ associated_data: &PaymentHash,
) -> Result<msgs::OnionPacket, ()> {
let mut packet_data = [0; ONION_DATA_LEN];
let packet = FixedSizeOnionPacket(packet_data);
construct_onion_packet_with_init_noise::<_, _>(
- payloads, onion_keys, packet, Some(associated_data))
+ payloads,
+ onion_keys,
+ packet,
+ Some(associated_data),
+ )
}
#[cfg(test)]
/// Used in testing to write bogus `BogusOnionHopData` as well as `RawOnionHopData`, which is
/// otherwise not representable in `msgs::OnionHopData`.
-pub(super) fn construct_onion_packet_with_writable_hopdata<HD: Writeable>(payloads: Vec<HD>, onion_keys: Vec<OnionKeys>, prng_seed: [u8; 32], associated_data: &PaymentHash) -> Result<msgs::OnionPacket, ()> {
+pub(super) fn construct_onion_packet_with_writable_hopdata<HD: Writeable>(
+ payloads: Vec<HD>, onion_keys: Vec<OnionKeys>, prng_seed: [u8; 32],
+ associated_data: &PaymentHash,
+) -> Result<msgs::OnionPacket, ()> {
let mut packet_data = [0; ONION_DATA_LEN];
let mut chacha = ChaCha20::new(&prng_seed, &[0; 8]);
let packet = FixedSizeOnionPacket(packet_data);
construct_onion_packet_with_init_noise::<_, _>(
- payloads, onion_keys, packet, Some(associated_data))
+ payloads,
+ onion_keys,
+ packet,
+ Some(associated_data),
+ )
}
/// Since onion message packets and onion payment packets have different lengths but are otherwise
}
pub(crate) fn construct_onion_message_packet<HD: Writeable, P: Packet<Data = Vec<u8>>>(
- payloads: Vec<HD>, onion_keys: Vec<OnionKeys>, prng_seed: [u8; 32], packet_data_len: usize) -> Result<P, ()>
-{
+ payloads: Vec<HD>, onion_keys: Vec<OnionKeys>, prng_seed: [u8; 32], packet_data_len: usize,
+) -> Result<P, ()> {
let mut packet_data = vec![0; packet_data_len];
let mut chacha = ChaCha20::new(&prng_seed, &[0; 8]);
}
fn construct_onion_packet_with_init_noise<HD: Writeable, P: Packet>(
- mut payloads: Vec<HD>, onion_keys: Vec<OnionKeys>, mut packet_data: P::Data, associated_data: Option<&PaymentHash>) -> Result<P, ()>
-{
+ mut payloads: Vec<HD>, onion_keys: Vec<OnionKeys>, mut packet_data: P::Data,
+ associated_data: Option<&PaymentHash>,
+) -> Result<P, ()> {
let filler = {
let packet_data = packet_data.as_mut();
const ONION_HOP_DATA_LEN: usize = 65; // We may decrease this eventually after TLV is common
return Err(());
}
- if i == payloads.len() - 1 { break; }
+ if i == payloads.len() - 1 {
+ break;
+ }
res.resize(pos, 0u8);
chacha.process_in_place(&mut res);
/// Encrypts a failure packet. raw_packet can either be a
/// msgs::DecodedOnionErrorPacket.encode() result or a msgs::OnionErrorPacket.data element.
-pub(super) fn encrypt_failure_packet(shared_secret: &[u8], raw_packet: &[u8]) -> msgs::OnionErrorPacket {
+pub(super) fn encrypt_failure_packet(
+ shared_secret: &[u8], raw_packet: &[u8],
+) -> msgs::OnionErrorPacket {
let ammag = gen_ammag_from_shared_secret(&shared_secret);
let mut packet_crypted = Vec::with_capacity(raw_packet.len());
packet_crypted.resize(raw_packet.len(), 0);
let mut chacha = ChaCha20::new(&ammag, &[0u8; 8]);
chacha.process(&raw_packet, &mut packet_crypted[..]);
- msgs::OnionErrorPacket {
- data: packet_crypted,
- }
+ msgs::OnionErrorPacket { data: packet_crypted }
}
-pub(super) fn build_failure_packet(shared_secret: &[u8], failure_type: u16, failure_data: &[u8]) -> msgs::DecodedOnionErrorPacket {
+pub(super) fn build_failure_packet(
+ shared_secret: &[u8], failure_type: u16, failure_data: &[u8],
+) -> msgs::DecodedOnionErrorPacket {
assert_eq!(shared_secret.len(), 32);
assert!(failure_data.len() <= 256 - 2);
res.resize(256 - 2 - failure_data.len(), 0);
res
};
- let mut packet = msgs::DecodedOnionErrorPacket {
- hmac: [0; 32],
- failuremsg,
- pad,
- };
+ let mut packet = msgs::DecodedOnionErrorPacket { hmac: [0; 32], failuremsg, pad };
let mut hmac = HmacEngine::<Sha256>::new(&um);
hmac.input(&packet.encode()[32..]);
}
#[cfg(test)]
-pub(super) fn build_first_hop_failure_packet(shared_secret: &[u8], failure_type: u16, failure_data: &[u8]) -> msgs::OnionErrorPacket {
+pub(super) fn build_first_hop_failure_packet(
+ shared_secret: &[u8], failure_type: u16, failure_data: &[u8],
+) -> msgs::OnionErrorPacket {
let failure_packet = build_failure_packet(shared_secret, failure_type, failure_data);
encrypt_failure_packet(shared_secret, &failure_packet.encode()[..])
}
/// Note that we always decrypt `packet` in-place here even if the deserialization into
/// [`msgs::DecodedOnionErrorPacket`] ultimately fails.
fn decrypt_onion_error_packet(
- packet: &mut Vec<u8>, shared_secret: SharedSecret
+ packet: &mut Vec<u8>, shared_secret: SharedSecret,
) -> Result<msgs::DecodedOnionErrorPacket, msgs::DecodeError> {
let ammag = gen_ammag_from_shared_secret(shared_secret.as_ref());
let mut chacha = ChaCha20::new(&ammag, &[0u8; 8]);
/// OutboundRoute).
#[inline]
pub(super) fn process_onion_failure<T: secp256k1::Signing, L: Deref>(
- secp_ctx: &Secp256k1<T>, logger: &L, htlc_source: &HTLCSource, mut encrypted_packet: Vec<u8>
- ) -> DecodedOnionFailure where L::Target: Logger {
-
+ secp_ctx: &Secp256k1<T>, logger: &L, htlc_source: &HTLCSource, mut encrypted_packet: Vec<u8>,
+) -> DecodedOnionFailure
+where
+ L::Target: Logger,
+{
let (path, session_priv, first_hop_htlc_msat) = match htlc_source {
- HTLCSource::OutboundRoute { ref path, ref session_priv, ref first_hop_htlc_msat, .. } => {
- (path, session_priv, first_hop_htlc_msat)
+ HTLCSource::OutboundRoute {
+ ref path, ref session_priv, ref first_hop_htlc_msat, ..
+ } => (path, session_priv, first_hop_htlc_msat),
+ _ => {
+ unreachable!()
},
- _ => { unreachable!() }
};
// Learnings from the HTLC failure to inform future payment retries and scoring.
const UPDATE: u16 = 0x1000;
// Handle packed channel/node updates for passing back for the route handler
- let callback = |shared_secret, _, _, route_hop_opt: Option<&RouteHop>, route_hop_idx|
- {
- if res.is_some() { return; }
+ let callback = |shared_secret, _, _, route_hop_opt: Option<&RouteHop>, route_hop_idx| {
+ if res.is_some() {
+ return;
+ }
let route_hop = match route_hop_opt {
Some(hop) => hop,
error_code_ret = Some(BADONION | PERM | 24); // invalid_onion_blinding
error_packet_ret = Some(vec![0; 32]);
res = Some(FailureLearnings {
- network_update: None, short_channel_id: None, payment_failed_permanently: false,
+ network_update: None,
+ short_channel_id: None,
+ payment_failed_permanently: false,
failed_within_blinded_path: true,
});
- return
+ return;
},
};
let num_blinded_hops = path.blinded_tail.as_ref().map_or(0, |bt| bt.hops.len());
// For 1-hop blinded paths, the final `path.hops` entry is the recipient.
is_from_final_node = route_hop_idx + 1 == path.hops.len() && num_blinded_hops <= 1;
- let failing_route_hop = if is_from_final_node { route_hop } else {
+ let failing_route_hop = if is_from_final_node {
+ route_hop
+ } else {
match path.hops.get(route_hop_idx + 1) {
Some(hop) => hop,
None => {
// The failing hop is within a multi-hop blinded path.
- #[cfg(not(test))] {
+ #[cfg(not(test))]
+ {
error_code_ret = Some(BADONION | PERM | 24); // invalid_onion_blinding
error_packet_ret = Some(vec![0; 32]);
}
- #[cfg(test)] {
+ #[cfg(test)]
+ {
// Actually parse the onion error data in tests so we can check that blinded hops fail
// back correctly.
- let err_packet = decrypt_onion_error_packet(
- &mut encrypted_packet, shared_secret
- ).unwrap();
- error_code_ret =
- Some(u16::from_be_bytes(err_packet.failuremsg.get(0..2).unwrap().try_into().unwrap()));
+ let err_packet =
+ decrypt_onion_error_packet(&mut encrypted_packet, shared_secret)
+ .unwrap();
+ error_code_ret = Some(u16::from_be_bytes(
+ err_packet.failuremsg.get(0..2).unwrap().try_into().unwrap(),
+ ));
error_packet_ret = Some(err_packet.failuremsg[2..].to_vec());
}
res = Some(FailureLearnings {
- network_update: None, short_channel_id: None, payment_failed_permanently: false,
+ network_update: None,
+ short_channel_id: None,
+ payment_failed_permanently: false,
failed_within_blinded_path: true,
});
- return
- }
+ return;
+ },
}
};
let err_packet = match decrypt_onion_error_packet(&mut encrypted_packet, shared_secret) {
Ok(p) => p,
- Err(_) => return
+ Err(_) => return,
};
let um = gen_um_from_shared_secret(shared_secret.as_ref());
let mut hmac = HmacEngine::<Sha256>::new(&um);
hmac.input(&err_packet.encode()[32..]);
- if !fixed_time_eq(&Hmac::from_engine(hmac).to_byte_array(), &err_packet.hmac) { return }
+ if !fixed_time_eq(&Hmac::from_engine(hmac).to_byte_array(), &err_packet.hmac) {
+ return;
+ }
let error_code_slice = match err_packet.failuremsg.get(0..2) {
Some(s) => s,
None => {
});
let short_channel_id = Some(route_hop.short_channel_id);
res = Some(FailureLearnings {
- network_update, short_channel_id, payment_failed_permanently: is_from_final_node,
- failed_within_blinded_path: false
+ network_update,
+ short_channel_id,
+ payment_failed_permanently: is_from_final_node,
+ failed_within_blinded_path: false,
});
- return
- }
+ return;
+ },
};
let error_code = u16::from_be_bytes(error_code_slice.try_into().expect("len is 2"));
// indicate that payment parameter has failed and no need to update Route object
let payment_failed = match error_code & 0xff {
- 15|16|17|18|19|23 => true,
+ 15 | 16 | 17 | 18 | 19 | 23 => true,
_ => false,
} && is_from_final_node; // PERM bit observed below even if this error is from the intermediate nodes
});
} else if error_code & NODE == NODE {
let is_permanent = error_code & PERM == PERM;
- network_update = Some(NetworkUpdate::NodeFailure { node_id: route_hop.pubkey, is_permanent });
+ network_update =
+ Some(NetworkUpdate::NodeFailure { node_id: route_hop.pubkey, is_permanent });
short_channel_id = Some(route_hop.short_channel_id);
} else if error_code & PERM == PERM {
if !payment_failed {
short_channel_id = Some(failing_route_hop.short_channel_id);
}
} else if error_code & UPDATE == UPDATE {
- if let Some(update_len_slice) = err_packet.failuremsg.get(debug_field_size+2..debug_field_size+4) {
- let update_len = u16::from_be_bytes(update_len_slice.try_into().expect("len is 2")) as usize;
- if let Some(mut update_slice) = err_packet.failuremsg.get(debug_field_size + 4..debug_field_size + 4 + update_len) {
+ if let Some(update_len_slice) =
+ err_packet.failuremsg.get(debug_field_size + 2..debug_field_size + 4)
+ {
+ let update_len =
+ u16::from_be_bytes(update_len_slice.try_into().expect("len is 2")) as usize;
+ if let Some(mut update_slice) = err_packet
+ .failuremsg
+ .get(debug_field_size + 4..debug_field_size + 4 + update_len)
+ {
// Historically, the BOLTs were unclear if the message type
// bytes should be included here or not. The BOLTs have now
// been updated to indicate that they *are* included, but many
// permissiveness introduces the (although small) possibility
// that we fail to decode legitimate channel updates that
// happen to start with ChannelUpdate::TYPE, i.e., [0x01, 0x02].
- if update_slice.len() > 2 && update_slice[0..2] == msgs::ChannelUpdate::TYPE.to_be_bytes() {
+ if update_slice.len() > 2
+ && update_slice[0..2] == msgs::ChannelUpdate::TYPE.to_be_bytes()
+ {
update_slice = &update_slice[2..];
} else {
log_trace!(logger, "Failure provided features a channel update without type prefix. Deprecated, but allowing for now.");
// MAY treat the channel_update as invalid.
let is_chan_update_invalid = match error_code & 0xff {
7 => false,
- 11 => update_opt.is_ok() &&
- amt_to_forward >
- update_opt.as_ref().unwrap().contents.htlc_minimum_msat,
- 12 => update_opt.is_ok() && amt_to_forward
- .checked_mul(update_opt.as_ref().unwrap()
- .contents.fee_proportional_millionths as u64)
- .map(|prop_fee| prop_fee / 1_000_000)
- .and_then(|prop_fee| prop_fee.checked_add(
- update_opt.as_ref().unwrap().contents.fee_base_msat as u64))
- .map(|fee_msats| route_hop.fee_msat >= fee_msats)
- .unwrap_or(false),
- 13 => update_opt.is_ok() &&
- route_hop.cltv_expiry_delta as u16 >=
- update_opt.as_ref().unwrap().contents.cltv_expiry_delta,
+ 11 => {
+ update_opt.is_ok()
+ && amt_to_forward
+ > update_opt.as_ref().unwrap().contents.htlc_minimum_msat
+ },
+ 12 => {
+ update_opt.is_ok()
+ && amt_to_forward
+ .checked_mul(
+ update_opt
+ .as_ref()
+ .unwrap()
+ .contents
+ .fee_proportional_millionths as u64,
+ )
+ .map(|prop_fee| prop_fee / 1_000_000)
+ .and_then(|prop_fee| {
+ prop_fee.checked_add(
+ update_opt.as_ref().unwrap().contents.fee_base_msat
+ as u64,
+ )
+ })
+ .map(|fee_msats| route_hop.fee_msat >= fee_msats)
+ .unwrap_or(false)
+ },
+ 13 => {
+ update_opt.is_ok()
+ && route_hop.cltv_expiry_delta as u16
+ >= update_opt.as_ref().unwrap().contents.cltv_expiry_delta
+ },
14 => false, // expiry_too_soon; always valid?
20 => update_opt.as_ref().unwrap().contents.flags & 2 == 0,
_ => false, // unknown error code; take channel_update as valid
if let Ok(chan_update) = update_opt {
// Make sure the ChannelUpdate contains the expected
// short channel id.
- if failing_route_hop.short_channel_id == chan_update.contents.short_channel_id {
+ if failing_route_hop.short_channel_id
+ == chan_update.contents.short_channel_id
+ {
short_channel_id = Some(failing_route_hop.short_channel_id);
} else {
log_info!(logger, "Node provided a channel_update for which it was not authoritative, ignoring.");
}
- network_update = Some(NetworkUpdate::ChannelUpdateMessage {
- msg: chan_update,
- })
+ network_update =
+ Some(NetworkUpdate::ChannelUpdateMessage { msg: chan_update })
} else {
// The node in question intentionally encoded a 0-length channel update. This is
// likely due to https://github.com/ElementsProject/lightning/issues/6200.
// If the channel_update had a non-zero length (i.e. was
// present) but we couldn't read it, treat it as a total
// node failure.
- log_info!(logger,
+ log_info!(
+ logger,
"Failed to read a channel_update of len {} in an onion",
- update_slice.len());
+ update_slice.len()
+ );
}
}
}
// Only blame the hop when a value in the HTLC doesn't match the corresponding value in the
// onion.
short_channel_id = match error_code & 0xff {
- 18|19 => Some(route_hop.short_channel_id),
+ 18 | 19 => Some(route_hop.short_channel_id),
_ => None,
};
} else {
// We can't understand their error messages and they failed to forward...they probably can't
// understand our forwards so it's really not worth trying any further.
- network_update = Some(NetworkUpdate::NodeFailure {
- node_id: route_hop.pubkey,
- is_permanent: true,
- });
+ network_update =
+ Some(NetworkUpdate::NodeFailure { node_id: route_hop.pubkey, is_permanent: true });
short_channel_id = Some(route_hop.short_channel_id);
}
res = Some(FailureLearnings {
- network_update, short_channel_id,
+ network_update,
+ short_channel_id,
payment_failed_permanently: error_code & PERM == PERM && is_from_final_node,
- failed_within_blinded_path: false
+ failed_within_blinded_path: false,
});
let (description, title) = errors::get_onion_error_description(error_code);
if debug_field_size > 0 && err_packet.failuremsg.len() >= 4 + debug_field_size {
- log_info!(logger, "Onion Error[from {}: {}({:#x}) {}({})] {}", route_hop.pubkey, title, error_code, debug_field, log_bytes!(&err_packet.failuremsg[4..4+debug_field_size]), description);
+ log_info!(
+ logger,
+ "Onion Error[from {}: {}({:#x}) {}({})] {}",
+ route_hop.pubkey,
+ title,
+ error_code,
+ debug_field,
+ log_bytes!(&err_packet.failuremsg[4..4 + debug_field_size]),
+ description
+ );
} else {
- log_info!(logger, "Onion Error[from {}: {}({:#x})] {}", route_hop.pubkey, title, error_code, description);
+ log_info!(
+ logger,
+ "Onion Error[from {}: {}({:#x})] {}",
+ route_hop.pubkey,
+ title,
+ error_code,
+ description
+ );
}
};
.expect("Route that we sent via spontaneously grew invalid keys in the middle of it?");
if let Some(FailureLearnings {
- network_update, short_channel_id, payment_failed_permanently, failed_within_blinded_path
- }) = res {
+ network_update,
+ short_channel_id,
+ payment_failed_permanently,
+ failed_within_blinded_path,
+ }) = res
+ {
DecodedOnionFailure {
- network_update, short_channel_id, payment_failed_permanently, failed_within_blinded_path,
+ network_update,
+ short_channel_id,
+ payment_failed_permanently,
+ failed_within_blinded_path,
#[cfg(test)]
onion_error_code: error_code_ret,
#[cfg(test)]
- onion_error_data: error_packet_ret
+ onion_error_data: error_packet_ret,
}
} else {
// only not set either packet unparseable or hmac does not match with any
// payment not retryable only when garbage is from the final node
DecodedOnionFailure {
- network_update: None, short_channel_id: None, payment_failed_permanently: is_from_final_node,
+ network_update: None,
+ short_channel_id: None,
+ payment_failed_permanently: is_from_final_node,
failed_within_blinded_path: false,
#[cfg(test)]
onion_error_code: None,
#[cfg(test)]
- onion_error_data: None
+ onion_error_data: None,
}
}
}
#[derive(Clone)] // See Channel::revoke_and_ack for why, tl;dr: Rust bug
#[cfg_attr(test, derive(PartialEq))]
enum HTLCFailReasonRepr {
- LightningError {
- err: msgs::OnionErrorPacket,
- },
- Reason {
- failure_code: u16,
- data: Vec<u8>,
- }
+ LightningError { err: msgs::OnionErrorPacket },
+ Reason { failure_code: u16, data: Vec<u8> },
}
impl core::fmt::Debug for HTLCFailReason {
},
HTLCFailReasonRepr::LightningError { .. } => {
write!(f, "pre-built LightningError")
- }
+ },
}
}
}
Self(HTLCFailReasonRepr::LightningError { err: msg.reason.clone() })
}
- pub(super) fn get_encrypted_failure_packet(&self, incoming_packet_shared_secret: &[u8; 32], phantom_shared_secret: &Option<[u8; 32]>)
- -> msgs::OnionErrorPacket {
+ pub(super) fn get_encrypted_failure_packet(
+ &self, incoming_packet_shared_secret: &[u8; 32], phantom_shared_secret: &Option<[u8; 32]>,
+ ) -> msgs::OnionErrorPacket {
match self.0 {
HTLCFailReasonRepr::Reason { ref failure_code, ref data } => {
if let Some(phantom_ss) = phantom_shared_secret {
- let phantom_packet = build_failure_packet(phantom_ss, *failure_code, &data[..]).encode();
- let encrypted_phantom_packet = encrypt_failure_packet(phantom_ss, &phantom_packet);
- encrypt_failure_packet(incoming_packet_shared_secret, &encrypted_phantom_packet.data[..])
+ let phantom_packet =
+ build_failure_packet(phantom_ss, *failure_code, &data[..]).encode();
+ let encrypted_phantom_packet =
+ encrypt_failure_packet(phantom_ss, &phantom_packet);
+ encrypt_failure_packet(
+ incoming_packet_shared_secret,
+ &encrypted_phantom_packet.data[..],
+ )
} else {
- let packet = build_failure_packet(incoming_packet_shared_secret, *failure_code, &data[..]).encode();
+ let packet = build_failure_packet(
+ incoming_packet_shared_secret,
+ *failure_code,
+ &data[..],
+ )
+ .encode();
encrypt_failure_packet(incoming_packet_shared_secret, &packet)
}
},
HTLCFailReasonRepr::LightningError { ref err } => {
encrypt_failure_packet(incoming_packet_shared_secret, &err.data)
- }
+ },
}
}
pub(super) fn decode_onion_failure<T: secp256k1::Signing, L: Deref>(
- &self, secp_ctx: &Secp256k1<T>, logger: &L, htlc_source: &HTLCSource
- ) -> DecodedOnionFailure where L::Target: Logger {
+ &self, secp_ctx: &Secp256k1<T>, logger: &L, htlc_source: &HTLCSource,
+ ) -> DecodedOnionFailure
+ where
+ L::Target: Logger,
+ {
match self.0 {
HTLCFailReasonRepr::LightningError { ref err } => {
process_onion_failure(secp_ctx, logger, &htlc_source, err.data.clone())
#[cfg(test)]
onion_error_data: Some(data.clone()),
}
- } else { unreachable!(); }
- }
+ } else {
+ unreachable!();
+ }
+ },
}
}
}
}
impl NextPacketBytes for FixedSizeOnionPacket {
- fn new(_len: usize) -> Self {
+ fn new(_len: usize) -> Self {
Self([0 as u8; ONION_DATA_LEN])
}
}
#[derive(Debug)]
pub(crate) enum OnionDecodeErr {
/// The HMAC of the onion packet did not match the hop data.
- Malformed {
- err_msg: &'static str,
- err_code: u16,
- },
+ Malformed { err_msg: &'static str, err_code: u16 },
/// We failed to decode the onion payload.
- Relay {
- err_msg: &'static str,
- err_code: u16,
- },
+ Relay { err_msg: &'static str, err_code: u16 },
}
pub(crate) fn decode_next_payment_hop<NS: Deref>(
shared_secret: [u8; 32], hop_data: &[u8], hmac_bytes: [u8; 32], payment_hash: PaymentHash,
blinding_point: Option<PublicKey>, node_signer: &NS,
-) -> Result<Hop, OnionDecodeErr> where NS::Target: NodeSigner {
+) -> Result<Hop, OnionDecodeErr>
+where
+ NS::Target: NodeSigner,
+{
match decode_next_hop(
- shared_secret, hop_data, hmac_bytes, Some(payment_hash), (blinding_point, node_signer)
+ shared_secret,
+ hop_data,
+ hmac_bytes,
+ Some(payment_hash),
+ (blinding_point, node_signer),
) {
Ok((next_hop_data, None)) => Ok(Hop::Receive(next_hop_data)),
Ok((next_hop_data, Some((next_hop_hmac, FixedSizeOnionPacket(new_packet_bytes))))) => {
- Ok(Hop::Forward {
- next_hop_data,
- next_hop_hmac,
- new_packet_bytes
- })
+ Ok(Hop::Forward { next_hop_data, next_hop_hmac, new_packet_bytes })
},
Err(e) => Err(e),
}
pub fn create_payment_onion<T: secp256k1::Signing>(
secp_ctx: &Secp256k1<T>, path: &Path, session_priv: &SecretKey, total_msat: u64,
recipient_onion: RecipientOnionFields, cur_block_height: u32, payment_hash: &PaymentHash,
- keysend_preimage: &Option<PaymentPreimage>, prng_seed: [u8; 32]
+ keysend_preimage: &Option<PaymentPreimage>, prng_seed: [u8; 32],
) -> Result<(msgs::OnionPacket, u64, u32), APIError> {
- let onion_keys = construct_onion_keys(&secp_ctx, &path, &session_priv)
- .map_err(|_| APIError::InvalidRoute{
- err: "Pubkey along hop was maliciously selected".to_owned()
- })?;
+ let onion_keys = construct_onion_keys(&secp_ctx, &path, &session_priv).map_err(|_| {
+ APIError::InvalidRoute { err: "Pubkey along hop was maliciously selected".to_owned() }
+ })?;
let (onion_payloads, htlc_msat, htlc_cltv) = build_onion_payloads(
- &path, total_msat, recipient_onion, cur_block_height, keysend_preimage
+ &path,
+ total_msat,
+ recipient_onion,
+ cur_block_height,
+ keysend_preimage,
)?;
let onion_packet = construct_onion_packet(onion_payloads, onion_keys, prng_seed, payment_hash)
- .map_err(|_| APIError::InvalidRoute{
- err: "Route size too large considering onion data".to_owned()
+ .map_err(|_| APIError::InvalidRoute {
+ err: "Route size too large considering onion data".to_owned(),
})?;
Ok((onion_packet, htlc_msat, htlc_cltv))
}
-pub(crate) fn decode_next_untagged_hop<T, R: ReadableArgs<T>, N: NextPacketBytes>(shared_secret: [u8; 32], hop_data: &[u8], hmac_bytes: [u8; 32], read_args: T) -> Result<(R, Option<([u8; 32], N)>), OnionDecodeErr> {
+pub(crate) fn decode_next_untagged_hop<T, R: ReadableArgs<T>, N: NextPacketBytes>(
+ shared_secret: [u8; 32], hop_data: &[u8], hmac_bytes: [u8; 32], read_args: T,
+) -> Result<(R, Option<([u8; 32], N)>), OnionDecodeErr> {
decode_next_hop(shared_secret, hop_data, hmac_bytes, None, read_args)
}
-fn decode_next_hop<T, R: ReadableArgs<T>, N: NextPacketBytes>(shared_secret: [u8; 32], hop_data: &[u8], hmac_bytes: [u8; 32], payment_hash: Option<PaymentHash>, read_args: T) -> Result<(R, Option<([u8; 32], N)>), OnionDecodeErr> {
+fn decode_next_hop<T, R: ReadableArgs<T>, N: NextPacketBytes>(
+ shared_secret: [u8; 32], hop_data: &[u8], hmac_bytes: [u8; 32],
+ payment_hash: Option<PaymentHash>, read_args: T,
+) -> Result<(R, Option<([u8; 32], N)>), OnionDecodeErr> {
let (rho, mu) = gen_rho_mu_from_shared_secret(&shared_secret);
let mut hmac = HmacEngine::<Sha256>::new(&mu);
hmac.input(hop_data);
// Unknown realm byte
msgs::DecodeError::UnknownVersion => 0x4000 | 1,
// invalid_onion_payload
- msgs::DecodeError::UnknownRequiredFeature|
- msgs::DecodeError::InvalidValue|
- msgs::DecodeError::ShortRead => 0x4000 | 22,
+ msgs::DecodeError::UnknownRequiredFeature
+ | msgs::DecodeError::InvalidValue
+ | msgs::DecodeError::ShortRead => 0x4000 | 22,
// Should never happen
_ => 0x2000 | 2,
};
// Once we've emptied the set of bytes our peer gave us, encrypt 0 bytes until we
// fill the onion hop data we'll forward to our next-hop peer.
chacha_stream.chacha.process_in_place(&mut new_packet_bytes.as_mut()[read_pos..]);
- return Ok((msg, Some((hmac, new_packet_bytes)))) // This packet needs forwarding
+ return Ok((msg, Some((hmac, new_packet_bytes)))); // This packet needs forwarding
}
},
}
#[cfg(test)]
mod tests {
use crate::io;
- use crate::prelude::*;
- use crate::ln::PaymentHash;
use crate::ln::features::{ChannelFeatures, NodeFeatures};
- use crate::routing::router::{Path, Route, RouteHop};
use crate::ln::msgs;
- use crate::util::ser::{Writeable, Writer, VecWriter};
+ use crate::ln::PaymentHash;
+ use crate::prelude::*;
+ use crate::routing::router::{Path, Route, RouteHop};
+ use crate::util::ser::{VecWriter, Writeable, Writer};
use bitcoin::hashes::hex::FromHex;
use bitcoin::secp256k1::Secp256k1;
- use bitcoin::secp256k1::{PublicKey,SecretKey};
+ use bitcoin::secp256k1::{PublicKey, SecretKey};
use super::OnionKeys;
route_params: None,
};
- let onion_keys = super::construct_onion_keys(&secp_ctx, &route.paths[0], &get_test_session_key()).unwrap();
+ let onion_keys =
+ super::construct_onion_keys(&secp_ctx, &route.paths[0], &get_test_session_key())
+ .unwrap();
assert_eq!(onion_keys.len(), route.paths[0].hops.len());
onion_keys
}
// Test generation of ephemeral keys and secrets. These values used to be part of the BOLT4
// test vectors, but have since been removed. We keep them as they provide test coverage.
let hex = "53eb63ea8a3fec3b3cd433b85cd62a4b145e1dda09391b348c4e1cd36a03ea66";
- assert_eq!(onion_keys[0].shared_secret.secret_bytes(), <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[0].shared_secret.secret_bytes(),
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "2ec2e5da605776054187180343287683aa6a51b4b1c04d6dd49c45d8cffb3c36";
assert_eq!(onion_keys[0].blinding_factor[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619";
- assert_eq!(onion_keys[0].ephemeral_pubkey.serialize()[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[0].ephemeral_pubkey.serialize()[..],
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "ce496ec94def95aadd4bec15cdb41a740c9f2b62347c4917325fcc6fb0453986";
assert_eq!(onion_keys[0].rho, <Vec<u8>>::from_hex(hex).unwrap()[..]);
assert_eq!(onion_keys[0].mu, <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "a6519e98832a0b179f62123b3567c106db99ee37bef036e783263602f3488fae";
- assert_eq!(onion_keys[1].shared_secret.secret_bytes(), <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[1].shared_secret.secret_bytes(),
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "bf66c28bc22e598cfd574a1931a2bafbca09163df2261e6d0056b2610dab938f";
assert_eq!(onion_keys[1].blinding_factor[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "028f9438bfbf7feac2e108d677e3a82da596be706cc1cf342b75c7b7e22bf4e6e2";
- assert_eq!(onion_keys[1].ephemeral_pubkey.serialize()[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[1].ephemeral_pubkey.serialize()[..],
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "450ffcabc6449094918ebe13d4f03e433d20a3d28a768203337bc40b6e4b2c59";
assert_eq!(onion_keys[1].rho, <Vec<u8>>::from_hex(hex).unwrap()[..]);
assert_eq!(onion_keys[1].mu, <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "3a6b412548762f0dbccce5c7ae7bb8147d1caf9b5471c34120b30bc9c04891cc";
- assert_eq!(onion_keys[2].shared_secret.secret_bytes(), <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[2].shared_secret.secret_bytes(),
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "a1f2dadd184eb1627049673f18c6325814384facdee5bfd935d9cb031a1698a5";
assert_eq!(onion_keys[2].blinding_factor[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "03bfd8225241ea71cd0843db7709f4c222f62ff2d4516fd38b39914ab6b83e0da0";
- assert_eq!(onion_keys[2].ephemeral_pubkey.serialize()[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[2].ephemeral_pubkey.serialize()[..],
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "11bf5c4f960239cb37833936aa3d02cea82c0f39fd35f566109c41f9eac8deea";
assert_eq!(onion_keys[2].rho, <Vec<u8>>::from_hex(hex).unwrap()[..]);
assert_eq!(onion_keys[2].mu, <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "21e13c2d7cfe7e18836df50872466117a295783ab8aab0e7ecc8c725503ad02d";
- assert_eq!(onion_keys[3].shared_secret.secret_bytes(), <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[3].shared_secret.secret_bytes(),
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "7cfe0b699f35525029ae0fa437c69d0f20f7ed4e3916133f9cacbb13c82ff262";
assert_eq!(onion_keys[3].blinding_factor[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "031dde6926381289671300239ea8e57ffaf9bebd05b9a5b95beaf07af05cd43595";
- assert_eq!(onion_keys[3].ephemeral_pubkey.serialize()[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[3].ephemeral_pubkey.serialize()[..],
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "cbe784ab745c13ff5cffc2fbe3e84424aa0fd669b8ead4ee562901a4a4e89e9e";
assert_eq!(onion_keys[3].rho, <Vec<u8>>::from_hex(hex).unwrap()[..]);
assert_eq!(onion_keys[3].mu, <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "b5756b9b542727dbafc6765a49488b023a725d631af688fc031217e90770c328";
- assert_eq!(onion_keys[4].shared_secret.secret_bytes(), <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[4].shared_secret.secret_bytes(),
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "c96e00dddaf57e7edcd4fb5954be5b65b09f17cb6d20651b4e90315be5779205";
assert_eq!(onion_keys[4].blinding_factor[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
let hex = "03a214ebd875aab6ddfd77f22c5e7311d7f77f17a169e599f157bbcdae8bf071f4";
- assert_eq!(onion_keys[4].ephemeral_pubkey.serialize()[..], <Vec<u8>>::from_hex(hex).unwrap()[..]);
+ assert_eq!(
+ onion_keys[4].ephemeral_pubkey.serialize()[..],
+ <Vec<u8>>::from_hex(hex).unwrap()[..]
+ );
let hex = "034e18b8cc718e8af6339106e706c52d8df89e2b1f7e9142d996acf88df8799b";
assert_eq!(onion_keys[4].rho, <Vec<u8>>::from_hex(hex).unwrap()[..]);
let expected_serialized_hop_4_payload = &<Vec<u8>>::from_hex(hex).unwrap()[..];
assert_eq!(hop_4_serialized_payload, expected_serialized_hop_4_payload);
- let pad_keytype_seed = super::gen_pad_from_shared_secret(&get_test_session_key().secret_bytes());
+ let pad_keytype_seed =
+ super::gen_pad_from_shared_secret(&get_test_session_key().secret_bytes());
- let packet: msgs::OnionPacket = super::construct_onion_packet_with_writable_hopdata::<_>(payloads, onion_keys, pad_keytype_seed, &PaymentHash([0x42; 32])).unwrap();
+ let packet: msgs::OnionPacket = super::construct_onion_packet_with_writable_hopdata::<_>(
+ payloads,
+ onion_keys,
+ pad_keytype_seed,
+ &PaymentHash([0x42; 32]),
+ )
+ .unwrap();
let hex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
assert_eq!(packet.encode(), <Vec<u8>>::from_hex(hex).unwrap());
// Returning Errors test vectors from BOLT 4
let onion_keys = build_test_onion_keys();
- let onion_error = super::build_failure_packet(onion_keys[4].shared_secret.as_ref(), 0x2002, &[0; 0]);
+ let onion_error =
+ super::build_failure_packet(onion_keys[4].shared_secret.as_ref(), 0x2002, &[0; 0]);
let hex = "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";
assert_eq!(onion_error.encode(), <Vec<u8>>::from_hex(hex).unwrap());
- let onion_packet_1 = super::encrypt_failure_packet(onion_keys[4].shared_secret.as_ref(), &onion_error.encode()[..]);
+ let onion_packet_1 = super::encrypt_failure_packet(
+ onion_keys[4].shared_secret.as_ref(),
+ &onion_error.encode()[..],
+ );
let hex = "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";
assert_eq!(onion_packet_1.data, <Vec<u8>>::from_hex(hex).unwrap());
- let onion_packet_2 = super::encrypt_failure_packet(onion_keys[3].shared_secret.as_ref(), &onion_packet_1.data[..]);
+ let onion_packet_2 = super::encrypt_failure_packet(
+ onion_keys[3].shared_secret.as_ref(),
+ &onion_packet_1.data[..],
+ );
let hex = "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";
assert_eq!(onion_packet_2.data, <Vec<u8>>::from_hex(hex).unwrap());
- let onion_packet_3 = super::encrypt_failure_packet(onion_keys[2].shared_secret.as_ref(), &onion_packet_2.data[..]);
+ let onion_packet_3 = super::encrypt_failure_packet(
+ onion_keys[2].shared_secret.as_ref(),
+ &onion_packet_2.data[..],
+ );
let hex = "a5d3e8634cfe78b2307d87c6d90be6fe7855b4f2cc9b1dfb19e92e4b79103f61ff9ac25f412ddfb7466e74f81b3e545563cdd8f5524dae873de61d7bdfccd496af2584930d2b566b4f8d3881f8c043df92224f38cf094cfc09d92655989531524593ec6d6caec1863bdfaa79229b5020acc034cd6deeea1021c50586947b9b8e6faa83b81fbfa6133c0af5d6b07c017f7158fa94f0d206baf12dda6b68f785b773b360fd0497e16cc402d779c8d48d0fa6315536ef0660f3f4e1865f5b38ea49c7da4fd959de4e83ff3ab686f059a45c65ba2af4a6a79166aa0f496bf04d06987b6d2ea205bdb0d347718b9aeff5b61dfff344993a275b79717cd815b6ad4c0beb568c4ac9c36ff1c315ec1119a1993c4b61e6eaa0375e0aaf738ac691abd3263bf937e3";
assert_eq!(onion_packet_3.data, <Vec<u8>>::from_hex(hex).unwrap());
- let onion_packet_4 = super::encrypt_failure_packet(onion_keys[1].shared_secret.as_ref(), &onion_packet_3.data[..]);
+ let onion_packet_4 = super::encrypt_failure_packet(
+ onion_keys[1].shared_secret.as_ref(),
+ &onion_packet_3.data[..],
+ );
let hex = "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";
assert_eq!(onion_packet_4.data, <Vec<u8>>::from_hex(hex).unwrap());
- let onion_packet_5 = super::encrypt_failure_packet(onion_keys[0].shared_secret.as_ref(), &onion_packet_4.data[..]);
+ let onion_packet_5 = super::encrypt_failure_packet(
+ onion_keys[0].shared_secret.as_ref(),
+ &onion_packet_4.data[..],
+ );
let hex = "9c5add3963fc7f6ed7f148623c84134b5647e1306419dbe2174e523fa9e2fbed3a06a19f899145610741c83ad40b7712aefaddec8c6baf7325d92ea4ca4d1df8bce517f7e54554608bf2bd8071a4f52a7a2f7ffbb1413edad81eeea5785aa9d990f2865dc23b4bc3c301a94eec4eabebca66be5cf638f693ec256aec514620cc28ee4a94bd9565bc4d4962b9d3641d4278fb319ed2b84de5b665f307a2db0f7fbb757366067d88c50f7e829138fde4f78d39b5b5802f1b92a8a820865af5cc79f9f30bc3f461c66af95d13e5e1f0381c184572a91dee1c849048a647a1158cf884064deddbf1b0b88dfe2f791428d0ba0f6fb2f04e14081f69165ae66d9297c118f0907705c9c4954a199bae0bb96fad763d690e7daa6cfda59ba7f2c8d11448b604d12d";
assert_eq!(onion_packet_5.data, <Vec<u8>>::from_hex(hex).unwrap());
}
struct RawOnionHopData {
- data: Vec<u8>
+ data: Vec<u8>,
}
impl RawOnionHopData {
fn new(orig: msgs::OutboundOnionPayload) -> Self {
projects / rust-lightning / commitdiff