_ => None,
}
}
+ fn blinded_route_hints(&self) -> &[(BlindedPayInfo, BlindedPath)] {
+ match self {
+ Self::Blinded { route_hints, .. } => &route_hints[..],
+ Self::Clear { .. } => &[]
+ }
+ }
+
+ fn unblinded_route_hints(&self) -> &[RouteHint] {
+ match self {
+ Self::Blinded { .. } => &[],
+ Self::Clear { route_hints, .. } => &route_hints[..]
+ }
+ }
}
enum FeaturesRef<'a> {
_ => CandidateHopId::Clear((self.short_channel_id().unwrap(), channel_direction)),
}
}
+ fn blinded_path(&self) -> Option<&'a BlindedPath> {
+ match self {
+ CandidateRouteHop::Blinded { hint, .. } | CandidateRouteHop::OneHopBlinded { hint, .. } => {
+ Some(&hint.1)
+ },
+ _ => None,
+ }
+ }
}
#[derive(Clone, Copy, Eq, Hash, Ord, PartialOrd, PartialEq)]
}
}
},
- _ => return Err(LightningError{err: "Routing to blinded paths isn't supported yet".to_owned(), action: ErrorAction::IgnoreError}),
-
+ Payee::Blinded { route_hints, .. } => {
+ if route_hints.iter().all(|(_, path)| &path.introduction_node_id == our_node_pubkey) {
+ return Err(LightningError{err: "Cannot generate a route to blinded paths if we are the introduction node to all of them".to_owned(), action: ErrorAction::IgnoreError});
+ }
+ for (_, blinded_path) in route_hints.iter() {
+ if blinded_path.blinded_hops.len() == 0 {
+ return Err(LightningError{err: "0-hop blinded path provided".to_owned(), action: ErrorAction::IgnoreError});
+ } else if &blinded_path.introduction_node_id == our_node_pubkey {
+ log_info!(logger, "Got blinded path with ourselves as the introduction node, ignoring");
+ } else if blinded_path.blinded_hops.len() == 1 &&
+ route_hints.iter().any( |(_, p)| p.blinded_hops.len() == 1
+ && p.introduction_node_id != blinded_path.introduction_node_id)
+ {
+ return Err(LightningError{err: format!("1-hop blinded paths must all have matching introduction node ids"), action: ErrorAction::IgnoreError});
+ }
+ }
+ }
}
let final_cltv_expiry_delta = payment_params.payee.final_cltv_expiry_delta().unwrap_or(0);
if payment_params.max_total_cltv_expiry_delta <= final_cltv_expiry_delta {
// If a caller provided us with last hops, add them to routing targets. Since this happens
// earlier than general path finding, they will be somewhat prioritized, although currently
// it matters only if the fees are exactly the same.
- let route_hints = match &payment_params.payee {
- Payee::Clear { route_hints, .. } => route_hints,
- _ => return Err(LightningError{err: "Routing to blinded paths isn't supported yet".to_owned(), action: ErrorAction::IgnoreError}),
- };
- for route in route_hints.iter().filter(|route| !route.0.is_empty()) {
+ for (hint_idx, hint) in payment_params.payee.blinded_route_hints().iter().enumerate() {
+ let intro_node_id = NodeId::from_pubkey(&hint.1.introduction_node_id);
+ let have_intro_node_in_graph =
+ // Only add the hops in this route to our candidate set if either
+ // we have a direct channel to the first hop or the first hop is
+ // in the regular network graph.
+ first_hop_targets.get(&intro_node_id).is_some() ||
+ network_nodes.get(&intro_node_id).is_some();
+ if !have_intro_node_in_graph { continue }
+ let candidate = if hint.1.blinded_hops.len() == 1 {
+ CandidateRouteHop::OneHopBlinded { hint, hint_idx }
+ } else { CandidateRouteHop::Blinded { hint, hint_idx } };
+ let mut path_contribution_msat = path_value_msat;
+ if let Some(hop_used_msat) = add_entry!(candidate, intro_node_id, maybe_dummy_payee_node_id,
+ 0, path_contribution_msat, 0, 0_u64, 0, 0)
+ {
+ path_contribution_msat = hop_used_msat;
+ } else { continue }
+ if let Some(first_channels) = first_hop_targets.get_mut(&NodeId::from_pubkey(&hint.1.introduction_node_id)) {
+ sort_first_hop_channels(first_channels, &used_liquidities, recommended_value_msat,
+ our_node_pubkey);
+ for details in first_channels {
+ let first_hop_candidate = CandidateRouteHop::FirstHop { details };
+ add_entry!(first_hop_candidate, our_node_id, intro_node_id, 0, path_contribution_msat, 0,
+ 0_u64, 0, 0);
+ }
+ }
+ }
+ for route in payment_params.payee.unblinded_route_hints().iter()
+ .filter(|route| !route.0.is_empty())
+ {
let first_hop_in_route = &(route.0)[0];
let have_hop_src_in_graph =
// Only add the hops in this route to our candidate set if either
});
for idx in 0..(selected_route.len() - 1) {
if idx + 1 >= selected_route.len() { break; }
- if iter_equal(selected_route[idx ].hops.iter().map(|h| (h.0.candidate.short_channel_id(), h.0.node_id)),
- selected_route[idx + 1].hops.iter().map(|h| (h.0.candidate.short_channel_id(), h.0.node_id))) {
+ if iter_equal(selected_route[idx ].hops.iter().map(|h| (h.0.candidate.id(true), h.0.node_id)),
+ selected_route[idx + 1].hops.iter().map(|h| (h.0.candidate.id(true), h.0.node_id))) {
let new_value = selected_route[idx].get_value_msat() + selected_route[idx + 1].get_value_msat();
selected_route[idx].update_value_and_recompute_fees(new_value);
selected_route.remove(idx + 1);
cltv_expiry_delta: hop.candidate.cltv_expiry_delta(),
});
}
+ let mut final_cltv_delta = final_cltv_expiry_delta;
+ let blinded_tail = payment_path.hops.last().and_then(|(h, _)| {
+ if let Some(blinded_path) = h.candidate.blinded_path() {
+ final_cltv_delta = h.candidate.cltv_expiry_delta();
+ Some(BlindedTail {
+ hops: blinded_path.blinded_hops.clone(),
+ blinding_point: blinded_path.blinding_point,
+ excess_final_cltv_expiry_delta: 0,
+ final_value_msat: h.fee_msat,
+ })
+ } else { None }
+ });
// Propagate the cltv_expiry_delta one hop backwards since the delta from the current hop is
// applicable for the previous hop.
- hops.iter_mut().rev().fold(final_cltv_expiry_delta, |prev_cltv_expiry_delta, hop| {
+ hops.iter_mut().rev().fold(final_cltv_delta, |prev_cltv_expiry_delta, hop| {
core::mem::replace(&mut hop.cltv_expiry_delta, prev_cltv_expiry_delta)
});
- paths.push(Path { hops, blinded_tail: None });
+
+ paths.push(Path { hops, blinded_tail });
}
// Make sure we would never create a route with more paths than we allow.
debug_assert!(paths.len() <= payment_params.max_path_count.into());
use crate::routing::test_utils::{add_channel, add_or_update_node, build_graph, build_line_graph, id_to_feature_flags, get_nodes, update_channel};
use crate::chain::transaction::OutPoint;
use crate::sign::EntropySource;
- use crate::ln::features::{ChannelFeatures, InitFeatures, NodeFeatures};
+ use crate::ln::features::{BlindedHopFeatures, Bolt12InvoiceFeatures, ChannelFeatures, InitFeatures, NodeFeatures};
use crate::ln::msgs::{ErrorAction, LightningError, UnsignedChannelUpdate, MAX_VALUE_MSAT};
use crate::ln::channelmanager;
+ use crate::offers::invoice::BlindedPayInfo;
use crate::util::config::UserConfig;
use crate::util::test_utils as ln_test_utils;
use crate::util::chacha20::ChaCha20;
#[test]
fn simple_mpp_route_test() {
+ let (secp_ctx, _, _, _, _) = build_graph();
+ let (_, _, _, nodes) = get_nodes(&secp_ctx);
+ let config = UserConfig::default();
+ let clear_payment_params = PaymentParameters::from_node_id(nodes[2], 42)
+ .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ do_simple_mpp_route_test(clear_payment_params);
+
+ // MPP to a 1-hop blinded path for nodes[2]
+ let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let blinded_path = BlindedPath {
+ introduction_node_id: nodes[2],
+ blinding_point: ln_test_utils::pubkey(42),
+ blinded_hops: vec![BlindedHop { blinded_node_id: ln_test_utils::pubkey(42 as u8), encrypted_payload: Vec::new() }],
+ };
+ let blinded_payinfo = BlindedPayInfo { // These fields are ignored for 1-hop blinded paths
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: 0,
+ cltv_expiry_delta: 0,
+ features: BlindedHopFeatures::empty(),
+ };
+ let one_hop_blinded_payment_params = PaymentParameters::blinded(vec![(blinded_payinfo.clone(), blinded_path.clone())])
+ .with_bolt12_features(bolt12_features.clone()).unwrap();
+ do_simple_mpp_route_test(one_hop_blinded_payment_params.clone());
+
+ // MPP to 3 2-hop blinded paths
+ let mut blinded_path_node_0 = blinded_path.clone();
+ blinded_path_node_0.introduction_node_id = nodes[0];
+ blinded_path_node_0.blinded_hops.push(blinded_path.blinded_hops[0].clone());
+ let mut node_0_payinfo = blinded_payinfo.clone();
+ node_0_payinfo.htlc_maximum_msat = 50_000;
+
+ let mut blinded_path_node_7 = blinded_path_node_0.clone();
+ blinded_path_node_7.introduction_node_id = nodes[7];
+ let mut node_7_payinfo = blinded_payinfo.clone();
+ node_7_payinfo.htlc_maximum_msat = 60_000;
+
+ let mut blinded_path_node_1 = blinded_path_node_0.clone();
+ blinded_path_node_1.introduction_node_id = nodes[1];
+ let mut node_1_payinfo = blinded_payinfo.clone();
+ node_1_payinfo.htlc_maximum_msat = 180_000;
+
+ let two_hop_blinded_payment_params = PaymentParameters::blinded(
+ vec![
+ (node_0_payinfo, blinded_path_node_0),
+ (node_7_payinfo, blinded_path_node_7),
+ (node_1_payinfo, blinded_path_node_1)
+ ])
+ .with_bolt12_features(bolt12_features).unwrap();
+ do_simple_mpp_route_test(two_hop_blinded_payment_params);
+ }
+
+
+ fn do_simple_mpp_route_test(payment_params: PaymentParameters) {
let (secp_ctx, network_graph, gossip_sync, _, logger) = build_graph();
let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
let scorer = ln_test_utils::TestScorer::new();
let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
let random_seed_bytes = keys_manager.get_secure_random_bytes();
- let config = UserConfig::default();
- let payment_params = PaymentParameters::from_node_id(nodes[2], 42)
- .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
// We need a route consisting of 3 paths:
// From our node to node2 via node0, node7, node1 (three paths one hop each).
assert_eq!(route.paths.len(), 3);
let mut total_amount_paid_msat = 0;
for path in &route.paths {
- assert_eq!(path.hops.len(), 2);
- assert_eq!(path.hops.last().unwrap().pubkey, nodes[2]);
+ if let Some(bt) = &path.blinded_tail {
+ assert_eq!(path.hops.len() + if bt.hops.len() == 1 { 0 } else { 1 }, 2);
+ } else {
+ assert_eq!(path.hops.len(), 2);
+ assert_eq!(path.hops.last().unwrap().pubkey, nodes[2]);
+ }
total_amount_paid_msat += path.final_value_msat();
}
assert_eq!(total_amount_paid_msat, 250_000);
assert_eq!(route.paths.len(), 3);
let mut total_amount_paid_msat = 0;
for path in &route.paths {
- assert_eq!(path.hops.len(), 2);
- assert_eq!(path.hops.last().unwrap().pubkey, nodes[2]);
+ if payment_params.payee.blinded_route_hints().len() != 0 {
+ assert!(path.blinded_tail.is_some()) } else { assert!(path.blinded_tail.is_none()) }
+ if let Some(bt) = &path.blinded_tail {
+ assert_eq!(path.hops.len() + if bt.hops.len() == 1 { 0 } else { 1 }, 2);
+ if bt.hops.len() > 1 {
+ assert_eq!(path.hops.last().unwrap().pubkey,
+ payment_params.payee.blinded_route_hints().iter()
+ .find(|(p, _)| p.htlc_maximum_msat == path.final_value_msat())
+ .map(|(_, p)| p.introduction_node_id).unwrap());
+ } else {
+ assert_eq!(path.hops.last().unwrap().pubkey, nodes[2]);
+ }
+ } else {
+ assert_eq!(path.hops.len(), 2);
+ assert_eq!(path.hops.last().unwrap().pubkey, nodes[2]);
+ }
total_amount_paid_msat += path.final_value_msat();
}
assert_eq!(total_amount_paid_msat, 290_000);
assert!(route.paths[0].hops.last().unwrap().fee_msat <= max_htlc_msat);
assert!(route.paths[1].hops.last().unwrap().fee_msat <= max_htlc_msat);
assert_eq!(route.get_total_amount(), amt_msat);
+
+ // Make sure this works for blinded route hints.
+ let blinded_path = BlindedPath {
+ introduction_node_id: intermed_node_id,
+ blinding_point: ln_test_utils::pubkey(42),
+ blinded_hops: vec![
+ BlindedHop { blinded_node_id: ln_test_utils::pubkey(42), encrypted_payload: vec![] },
+ BlindedHop { blinded_node_id: ln_test_utils::pubkey(43), encrypted_payload: vec![] },
+ ],
+ };
+ let blinded_payinfo = BlindedPayInfo {
+ fee_base_msat: 100,
+ fee_proportional_millionths: 0,
+ htlc_minimum_msat: 1,
+ htlc_maximum_msat: max_htlc_msat,
+ cltv_expiry_delta: 10,
+ features: BlindedHopFeatures::empty(),
+ };
+ let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let payment_params = PaymentParameters::blinded(vec![
+ (blinded_payinfo.clone(), blinded_path.clone()),
+ (blinded_payinfo.clone(), blinded_path.clone())])
+ .with_bolt12_features(bolt12_features).unwrap();
+ let route = get_route(&our_node_id, &payment_params, &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), amt_msat, Arc::clone(&logger), &scorer, &(),
+ &random_seed_bytes).unwrap();
+ assert_eq!(route.paths.len(), 2);
+ assert!(route.paths[0].hops.last().unwrap().fee_msat <= max_htlc_msat);
+ assert!(route.paths[1].hops.last().unwrap().fee_msat <= max_htlc_msat);
+ assert_eq!(route.get_total_amount(), amt_msat);
}
#[test]
assert_eq!(route.paths[0].blinded_tail.as_ref().unwrap().excess_final_cltv_expiry_delta, 40);
assert_eq!(route.paths[0].hops.last().unwrap().cltv_expiry_delta, 40);
}
+
+ #[test]
+ fn simple_blinded_route_hints() {
+ do_simple_blinded_route_hints(1);
+ do_simple_blinded_route_hints(2);
+ do_simple_blinded_route_hints(3);
+ }
+
+ fn do_simple_blinded_route_hints(num_blinded_hops: usize) {
+ // Check that we can generate a route to a blinded path with the expected hops.
+ let (secp_ctx, network, _, _, logger) = build_graph();
+ let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
+ let network_graph = network.read_only();
+
+ let scorer = ln_test_utils::TestScorer::new();
+ let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
+ let random_seed_bytes = keys_manager.get_secure_random_bytes();
+
+ let mut blinded_path = BlindedPath {
+ introduction_node_id: nodes[2],
+ blinding_point: ln_test_utils::pubkey(42),
+ blinded_hops: Vec::with_capacity(num_blinded_hops),
+ };
+ for i in 0..num_blinded_hops {
+ blinded_path.blinded_hops.push(
+ BlindedHop { blinded_node_id: ln_test_utils::pubkey(42 + i as u8), encrypted_payload: Vec::new() },
+ );
+ }
+ let blinded_payinfo = BlindedPayInfo {
+ fee_base_msat: 100,
+ fee_proportional_millionths: 500,
+ htlc_minimum_msat: 1000,
+ htlc_maximum_msat: 100_000_000,
+ cltv_expiry_delta: 15,
+ features: BlindedHopFeatures::empty(),
+ };
+
+ let final_amt_msat = 1001;
+ let payment_params = PaymentParameters::blinded(vec![(blinded_payinfo.clone(), blinded_path.clone())]);
+ let route = get_route(&our_id, &payment_params, &network_graph, None, final_amt_msat , Arc::clone(&logger),
+ &scorer, &(), &random_seed_bytes).unwrap();
+ assert_eq!(route.paths.len(), 1);
+ assert_eq!(route.paths[0].hops.len(), 2);
+
+ let tail = route.paths[0].blinded_tail.as_ref().unwrap();
+ assert_eq!(tail.hops, blinded_path.blinded_hops);
+ assert_eq!(tail.excess_final_cltv_expiry_delta, 0);
+ assert_eq!(tail.final_value_msat, 1001);
+
+ let final_hop = route.paths[0].hops.last().unwrap();
+ assert_eq!(final_hop.pubkey, blinded_path.introduction_node_id);
+ if tail.hops.len() > 1 {
+ assert_eq!(final_hop.fee_msat,
+ blinded_payinfo.fee_base_msat as u64 + blinded_payinfo.fee_proportional_millionths as u64 * tail.final_value_msat / 1000000);
+ assert_eq!(final_hop.cltv_expiry_delta, blinded_payinfo.cltv_expiry_delta as u32);
+ } else {
+ assert_eq!(final_hop.fee_msat, 0);
+ assert_eq!(final_hop.cltv_expiry_delta, 0);
+ }
+ }
+
+ #[test]
+ fn blinded_path_routing_errors() {
+ // Check that we can generate a route to a blinded path with the expected hops.
+ let (secp_ctx, network, _, _, logger) = build_graph();
+ let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
+ let network_graph = network.read_only();
+
+ let scorer = ln_test_utils::TestScorer::new();
+ let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
+ let random_seed_bytes = keys_manager.get_secure_random_bytes();
+
+ let mut invalid_blinded_path = BlindedPath {
+ introduction_node_id: nodes[2],
+ blinding_point: ln_test_utils::pubkey(42),
+ blinded_hops: vec![
+ BlindedHop { blinded_node_id: ln_test_utils::pubkey(43), encrypted_payload: vec![0; 43] },
+ ],
+ };
+ let blinded_payinfo = BlindedPayInfo {
+ fee_base_msat: 100,
+ fee_proportional_millionths: 500,
+ htlc_minimum_msat: 1000,
+ htlc_maximum_msat: 100_000_000,
+ cltv_expiry_delta: 15,
+ features: BlindedHopFeatures::empty(),
+ };
+
+ let mut invalid_blinded_path_2 = invalid_blinded_path.clone();
+ invalid_blinded_path_2.introduction_node_id = ln_test_utils::pubkey(45);
+ let payment_params = PaymentParameters::blinded(vec![
+ (blinded_payinfo.clone(), invalid_blinded_path.clone()),
+ (blinded_payinfo.clone(), invalid_blinded_path_2)]);
+ match get_route(&our_id, &payment_params, &network_graph, None, 1001, Arc::clone(&logger),
+ &scorer, &(), &random_seed_bytes)
+ {
+ Err(LightningError { err, .. }) => {
+ assert_eq!(err, "1-hop blinded paths must all have matching introduction node ids");
+ },
+ _ => panic!("Expected error")
+ }
+
+ invalid_blinded_path.introduction_node_id = our_id;
+ let payment_params = PaymentParameters::blinded(vec![(blinded_payinfo.clone(), invalid_blinded_path.clone())]);
+ match get_route(&our_id, &payment_params, &network_graph, None, 1001, Arc::clone(&logger),
+ &scorer, &(), &random_seed_bytes)
+ {
+ Err(LightningError { err, .. }) => {
+ assert_eq!(err, "Cannot generate a route to blinded paths if we are the introduction node to all of them");
+ },
+ _ => panic!("Expected error")
+ }
+
+ invalid_blinded_path.introduction_node_id = ln_test_utils::pubkey(46);
+ invalid_blinded_path.blinded_hops.clear();
+ let payment_params = PaymentParameters::blinded(vec![(blinded_payinfo, invalid_blinded_path)]);
+ match get_route(&our_id, &payment_params, &network_graph, None, 1001, Arc::clone(&logger),
+ &scorer, &(), &random_seed_bytes)
+ {
+ Err(LightningError { err, .. }) => {
+ assert_eq!(err, "0-hop blinded path provided");
+ },
+ _ => panic!("Expected error")
+ }
+ }
+
+ #[test]
+ fn matching_intro_node_paths_provided() {
+ // Check that if multiple blinded paths with the same intro node are provided in payment
+ // parameters, we'll return the correct paths in the resulting MPP route.
+ let (secp_ctx, network, _, _, logger) = build_graph();
+ let (_, our_id, _, nodes) = get_nodes(&secp_ctx);
+ let network_graph = network.read_only();
+
+ let scorer = ln_test_utils::TestScorer::new();
+ let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
+ let random_seed_bytes = keys_manager.get_secure_random_bytes();
+ let config = UserConfig::default();
+
+ let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let blinded_path_1 = BlindedPath {
+ introduction_node_id: nodes[2],
+ blinding_point: ln_test_utils::pubkey(42),
+ blinded_hops: vec![
+ BlindedHop { blinded_node_id: ln_test_utils::pubkey(42 as u8), encrypted_payload: Vec::new() },
+ BlindedHop { blinded_node_id: ln_test_utils::pubkey(42 as u8), encrypted_payload: Vec::new() }
+ ],
+ };
+ let blinded_payinfo_1 = BlindedPayInfo {
+ fee_base_msat: 0,
+ fee_proportional_millionths: 0,
+ htlc_minimum_msat: 0,
+ htlc_maximum_msat: 30_000,
+ cltv_expiry_delta: 0,
+ features: BlindedHopFeatures::empty(),
+ };
+
+ let mut blinded_path_2 = blinded_path_1.clone();
+ blinded_path_2.blinding_point = ln_test_utils::pubkey(43);
+ let mut blinded_payinfo_2 = blinded_payinfo_1.clone();
+ blinded_payinfo_2.htlc_maximum_msat = 70_000;
+
+ let blinded_hints = vec![
+ (blinded_payinfo_1.clone(), blinded_path_1.clone()),
+ (blinded_payinfo_2.clone(), blinded_path_2.clone()),
+ ];
+ let payment_params = PaymentParameters::blinded(blinded_hints.clone())
+ .with_bolt12_features(bolt12_features.clone()).unwrap();
+
+ let route = get_route(&our_id, &payment_params, &network_graph, None,
+ 100_000, Arc::clone(&logger), &scorer, &(), &random_seed_bytes).unwrap();
+ assert_eq!(route.paths.len(), 2);
+ let mut total_amount_paid_msat = 0;
+ for path in route.paths.into_iter() {
+ assert_eq!(path.hops.last().unwrap().pubkey, nodes[2]);
+ if let Some(bt) = &path.blinded_tail {
+ assert_eq!(bt.blinding_point,
+ blinded_hints.iter().find(|(p, _)| p.htlc_maximum_msat == path.final_value_msat())
+ .map(|(_, bp)| bp.blinding_point).unwrap());
+ } else { panic!(); }
+ total_amount_paid_msat += path.final_value_msat();
+ }
+ assert_eq!(total_amount_paid_msat, 100_000);
+ }
}
#[cfg(all(any(test, ldk_bench), not(feature = "no-std")))]
projects / rust-lightning / commitdiff