//! The router finds paths within a [`NetworkGraph`] for a payment.
-use bitcoin::secp256k1::PublicKey;
+use bitcoin::secp256k1::{PublicKey, Secp256k1, self};
use bitcoin::hashes::Hash;
use bitcoin::hashes::sha256::Hash as Sha256;
use crate::blinded_path::{BlindedHop, BlindedPath};
+use crate::blinded_path::payment::{ForwardNode, ForwardTlvs, PaymentConstraints, PaymentRelay, ReceiveTlvs};
use crate::ln::PaymentHash;
use crate::ln::channelmanager::{ChannelDetails, PaymentId};
-use crate::ln::features::{Bolt11InvoiceFeatures, Bolt12InvoiceFeatures, ChannelFeatures, NodeFeatures};
+use crate::ln::features::{BlindedHopFeatures, Bolt11InvoiceFeatures, Bolt12InvoiceFeatures, ChannelFeatures, NodeFeatures};
use crate::ln::msgs::{DecodeError, ErrorAction, LightningError, MAX_VALUE_MSAT};
use crate::offers::invoice::{BlindedPayInfo, Bolt12Invoice};
+use crate::onion_message::messenger::{DefaultMessageRouter, Destination, MessageRouter, OnionMessagePath};
use crate::routing::gossip::{DirectedChannelInfo, EffectiveCapacity, ReadOnlyNetworkGraph, NetworkGraph, NodeId, RoutingFees};
use crate::routing::scoring::{ChannelUsage, LockableScore, ScoreLookUp};
+use crate::sign::EntropySource;
use crate::util::ser::{Writeable, Readable, ReadableArgs, Writer};
use crate::util::logger::{Level, Logger};
-use crate::util::chacha20::ChaCha20;
+use crate::crypto::chacha20::ChaCha20;
use crate::io;
use crate::prelude::*;
use core::ops::Deref;
/// A [`Router`] implemented using [`find_route`].
-pub struct DefaultRouter<G: Deref<Target = NetworkGraph<L>>, L: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> where
+pub struct DefaultRouter<G: Deref<Target = NetworkGraph<L>> + Clone, L: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> where
L::Target: Logger,
S::Target: for <'a> LockableScore<'a, ScoreLookUp = Sc>,
{
logger: L,
random_seed_bytes: Mutex<[u8; 32]>,
scorer: S,
- score_params: SP
+ score_params: SP,
+ message_router: DefaultMessageRouter<G, L>,
}
-impl<G: Deref<Target = NetworkGraph<L>>, L: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> DefaultRouter<G, L, S, SP, Sc> where
+impl<G: Deref<Target = NetworkGraph<L>> + Clone, L: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> DefaultRouter<G, L, S, SP, Sc> where
L::Target: Logger,
S::Target: for <'a> LockableScore<'a, ScoreLookUp = Sc>,
{
/// Creates a new router.
pub fn new(network_graph: G, logger: L, random_seed_bytes: [u8; 32], scorer: S, score_params: SP) -> Self {
let random_seed_bytes = Mutex::new(random_seed_bytes);
- Self { network_graph, logger, random_seed_bytes, scorer, score_params }
+ let message_router = DefaultMessageRouter::new(network_graph.clone());
+ Self { network_graph, logger, random_seed_bytes, scorer, score_params, message_router }
}
}
-impl< G: Deref<Target = NetworkGraph<L>>, L: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> Router for DefaultRouter<G, L, S, SP, Sc> where
+impl<G: Deref<Target = NetworkGraph<L>> + Clone, L: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> Router for DefaultRouter<G, L, S, SP, Sc> where
L::Target: Logger,
S::Target: for <'a> LockableScore<'a, ScoreLookUp = Sc>,
{
) -> Result<Route, LightningError> {
let random_seed_bytes = {
let mut locked_random_seed_bytes = self.random_seed_bytes.lock().unwrap();
- *locked_random_seed_bytes = Sha256::hash(&*locked_random_seed_bytes).into_inner();
+ *locked_random_seed_bytes = Sha256::hash(&*locked_random_seed_bytes).to_byte_array();
*locked_random_seed_bytes
};
find_route(
&random_seed_bytes
)
}
+
+ fn create_blinded_payment_paths<
+ ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
+ >(
+ &self, recipient: PublicKey, first_hops: Vec<ChannelDetails>, tlvs: ReceiveTlvs,
+ amount_msats: u64, entropy_source: &ES, secp_ctx: &Secp256k1<T>
+ ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()> {
+ // Limit the number of blinded paths that are computed.
+ const MAX_PAYMENT_PATHS: usize = 3;
+
+ // Ensure peers have at least three channels so that it is more difficult to infer the
+ // recipient's node_id.
+ const MIN_PEER_CHANNELS: usize = 3;
+
+ let network_graph = self.network_graph.deref().read_only();
+ let paths = first_hops.into_iter()
+ .filter(|details| details.counterparty.features.supports_route_blinding())
+ .filter(|details| amount_msats <= details.inbound_capacity_msat)
+ .filter(|details| amount_msats >= details.inbound_htlc_minimum_msat.unwrap_or(0))
+ .filter(|details| amount_msats <= details.inbound_htlc_maximum_msat.unwrap_or(u64::MAX))
+ .filter(|details| network_graph
+ .node(&NodeId::from_pubkey(&details.counterparty.node_id))
+ .map(|node_info| node_info.channels.len() >= MIN_PEER_CHANNELS)
+ .unwrap_or(false)
+ )
+ .filter_map(|details| {
+ let short_channel_id = match details.get_inbound_payment_scid() {
+ Some(short_channel_id) => short_channel_id,
+ None => return None,
+ };
+ let payment_relay: PaymentRelay = match details.counterparty.forwarding_info {
+ Some(forwarding_info) => match forwarding_info.try_into() {
+ Ok(payment_relay) => payment_relay,
+ Err(()) => return None,
+ },
+ None => return None,
+ };
+
+ let cltv_expiry_delta = payment_relay.cltv_expiry_delta as u32;
+ let payment_constraints = PaymentConstraints {
+ max_cltv_expiry: tlvs.payment_constraints.max_cltv_expiry + cltv_expiry_delta,
+ htlc_minimum_msat: details.inbound_htlc_minimum_msat.unwrap_or(0),
+ };
+ Some(ForwardNode {
+ tlvs: ForwardTlvs {
+ short_channel_id,
+ payment_relay,
+ payment_constraints,
+ features: BlindedHopFeatures::empty(),
+ },
+ node_id: details.counterparty.node_id,
+ htlc_maximum_msat: details.inbound_htlc_maximum_msat.unwrap_or(u64::MAX),
+ })
+ })
+ .map(|forward_node| {
+ BlindedPath::new_for_payment(
+ &[forward_node], recipient, tlvs.clone(), u64::MAX, entropy_source, secp_ctx
+ )
+ })
+ .take(MAX_PAYMENT_PATHS)
+ .collect::<Result<Vec<_>, _>>();
+
+ match paths {
+ Ok(paths) if !paths.is_empty() => Ok(paths),
+ _ => {
+ if network_graph.nodes().contains_key(&NodeId::from_pubkey(&recipient)) {
+ BlindedPath::one_hop_for_payment(recipient, tlvs, entropy_source, secp_ctx)
+ .map(|path| vec![path])
+ } else {
+ Err(())
+ }
+ },
+ }
+ }
+}
+
+impl< G: Deref<Target = NetworkGraph<L>> + Clone, L: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> MessageRouter for DefaultRouter<G, L, S, SP, Sc> where
+ L::Target: Logger,
+ S::Target: for <'a> LockableScore<'a, ScoreLookUp = Sc>,
+{
+ fn find_path(
+ &self, sender: PublicKey, peers: Vec<PublicKey>, destination: Destination
+ ) -> Result<OnionMessagePath, ()> {
+ self.message_router.find_path(sender, peers, destination)
+ }
+
+ fn create_blinded_paths<
+ ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
+ >(
+ &self, recipient: PublicKey, peers: Vec<PublicKey>, entropy_source: &ES,
+ secp_ctx: &Secp256k1<T>
+ ) -> Result<Vec<BlindedPath>, ()> {
+ self.message_router.create_blinded_paths(recipient, peers, entropy_source, secp_ctx)
+ }
}
/// A trait defining behavior for routing a payment.
-pub trait Router {
+pub trait Router: MessageRouter {
/// Finds a [`Route`] for a payment between the given `payer` and a payee.
///
/// The `payee` and the payment's value are given in [`RouteParameters::payment_params`]
&self, payer: &PublicKey, route_params: &RouteParameters,
first_hops: Option<&[&ChannelDetails]>, inflight_htlcs: InFlightHtlcs
) -> Result<Route, LightningError>;
+
/// Finds a [`Route`] for a payment between the given `payer` and a payee.
///
/// The `payee` and the payment's value are given in [`RouteParameters::payment_params`]
) -> Result<Route, LightningError> {
self.find_route(payer, route_params, first_hops, inflight_htlcs)
}
+
+ /// Creates [`BlindedPath`]s for payment to the `recipient` node. The channels in `first_hops`
+ /// are assumed to be with the `recipient`'s peers. The payment secret and any constraints are
+ /// given in `tlvs`.
+ fn create_blinded_payment_paths<
+ ES: EntropySource + ?Sized, T: secp256k1::Signing + secp256k1::Verification
+ >(
+ &self, recipient: PublicKey, first_hops: Vec<ChannelDetails>, tlvs: ReceiveTlvs,
+ amount_msats: u64, entropy_source: &ES, secp_ctx: &Secp256k1<T>
+ ) -> Result<Vec<(BlindedPayInfo, BlindedPath)>, ()>;
}
/// [`ScoreLookUp`] implementation that factors in in-flight HTLC liquidity.
impl<'a, S: Deref> ScoreLookUp for ScorerAccountingForInFlightHtlcs<'a, S> where S::Target: ScoreLookUp {
type ScoreParams = <S::Target as ScoreLookUp>::ScoreParams;
- fn channel_penalty_msat(&self, short_channel_id: u64, source: &NodeId, target: &NodeId, usage: ChannelUsage, score_params: &Self::ScoreParams) -> u64 {
+ fn channel_penalty_msat(&self, candidate: &CandidateRouteHop, usage: ChannelUsage, score_params: &Self::ScoreParams) -> u64 {
+ let target = match candidate.target() {
+ Some(target) => target,
+ None => return self.scorer.channel_penalty_msat(candidate, usage, score_params),
+ };
+ let short_channel_id = match candidate.short_channel_id() {
+ Some(short_channel_id) => short_channel_id,
+ None => return self.scorer.channel_penalty_msat(candidate, usage, score_params),
+ };
+ let source = candidate.source();
if let Some(used_liquidity) = self.inflight_htlcs.used_liquidity_msat(
- source, target, short_channel_id
+ &source, &target, short_channel_id
) {
let usage = ChannelUsage {
inflight_htlc_msat: usage.inflight_htlc_msat.saturating_add(used_liquidity),
..usage
};
- self.scorer.channel_penalty_msat(short_channel_id, source, target, usage, score_params)
+ self.scorer.channel_penalty_msat(candidate, usage, score_params)
} else {
- self.scorer.channel_penalty_msat(short_channel_id, source, target, usage, score_params)
+ self.scorer.channel_penalty_msat(candidate, usage, score_params)
}
}
}
write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION);
(self.paths.len() as u64).write(writer)?;
let mut blinded_tails = Vec::new();
- for path in self.paths.iter() {
+ for (idx, path) in self.paths.iter().enumerate() {
(path.hops.len() as u8).write(writer)?;
- for (idx, hop) in path.hops.iter().enumerate() {
+ for hop in path.hops.iter() {
hop.write(writer)?;
- if let Some(blinded_tail) = &path.blinded_tail {
- if blinded_tails.is_empty() {
- blinded_tails = Vec::with_capacity(path.hops.len());
- for _ in 0..idx {
- blinded_tails.push(None);
- }
- }
- blinded_tails.push(Some(blinded_tail));
- } else if !blinded_tails.is_empty() { blinded_tails.push(None); }
}
+ if let Some(blinded_tail) = &path.blinded_tail {
+ if blinded_tails.is_empty() {
+ blinded_tails = Vec::with_capacity(path.hops.len());
+ for _ in 0..idx {
+ blinded_tails.push(None);
+ }
+ }
+ blinded_tails.push(Some(blinded_tail));
+ } else if !blinded_tails.is_empty() { blinded_tails.push(None); }
}
write_tlv_fields!(writer, {
// For compatibility with LDK versions prior to 0.0.117, we take the individual
/// payment to fail. Future attempts for the same payment shouldn't be relayed through any of
/// these SCIDs.
pub previously_failed_channels: Vec<u64>,
+
+ /// A list of indices corresponding to blinded paths in [`Payee::Blinded::route_hints`] which this
+ /// payment was previously attempted over and which caused the payment to fail. Future attempts
+ /// for the same payment shouldn't be relayed through any of these blinded paths.
+ pub previously_failed_blinded_path_idxs: Vec<u64>,
}
impl Writeable for PaymentParameters {
(7, self.previously_failed_channels, required_vec),
(8, *blinded_hints, optional_vec),
(9, self.payee.final_cltv_expiry_delta(), option),
+ (11, self.previously_failed_blinded_path_idxs, required_vec),
});
Ok(())
}
(7, previously_failed_channels, optional_vec),
(8, blinded_route_hints, optional_vec),
(9, final_cltv_expiry_delta, (default_value, default_final_cltv_expiry_delta)),
+ (11, previously_failed_blinded_path_idxs, optional_vec),
});
let blinded_route_hints = blinded_route_hints.unwrap_or(vec![]);
let payee = if blinded_route_hints.len() != 0 {
max_channel_saturation_power_of_half: _init_tlv_based_struct_field!(max_channel_saturation_power_of_half, (default_value, unused)),
expiry_time,
previously_failed_channels: previously_failed_channels.unwrap_or(Vec::new()),
+ previously_failed_blinded_path_idxs: previously_failed_blinded_path_idxs.unwrap_or(Vec::new()),
})
}
}
max_path_count: DEFAULT_MAX_PATH_COUNT,
max_channel_saturation_power_of_half: DEFAULT_MAX_CHANNEL_SATURATION_POW_HALF,
previously_failed_channels: Vec::new(),
+ previously_failed_blinded_path_idxs: Vec::new(),
}
}
max_path_count: DEFAULT_MAX_PATH_COUNT,
max_channel_saturation_power_of_half: DEFAULT_MAX_CHANNEL_SATURATION_POW_HALF,
previously_failed_channels: Vec::new(),
+ previously_failed_blinded_path_idxs: Vec::new(),
}
}
pub fn with_max_channel_saturation_power_of_half(self, max_channel_saturation_power_of_half: u8) -> Self {
Self { max_channel_saturation_power_of_half, ..self }
}
+
+ pub(crate) fn insert_previously_failed_blinded_path(&mut self, failed_blinded_tail: &BlindedTail) {
+ let mut found_blinded_tail = false;
+ for (idx, (_, path)) in self.payee.blinded_route_hints().iter().enumerate() {
+ if failed_blinded_tail.hops == path.blinded_hops &&
+ failed_blinded_tail.blinding_point == path.blinding_point
+ {
+ self.previously_failed_blinded_path_idxs.push(idx as u64);
+ found_blinded_tail = true;
+ }
+ }
+ debug_assert!(found_blinded_tail);
+ }
}
/// The recipient of a payment, differing based on whether they've hidden their identity with route
}
/// A channel descriptor for a hop along a payment path.
+///
+/// While this generally comes from BOLT 11's `r` field, this struct includes more fields than are
+/// available in BOLT 11. Thus, encoding and decoding this via `lightning-invoice` is lossy, as
+/// fields not supported in BOLT 11 will be stripped.
#[derive(Clone, Debug, Hash, Eq, PartialEq, Ord, PartialOrd)]
pub struct RouteHintHop {
/// The node_id of the non-target end of the route
});
#[derive(Eq, PartialEq)]
+#[repr(align(64))] // Force the size to 64 bytes
struct RouteGraphNode {
node_id: NodeId,
- lowest_fee_to_node: u64,
- total_cltv_delta: u32,
+ score: u64,
// The maximum value a yet-to-be-constructed payment path might flow through this node.
// This value is upper-bounded by us by:
// - how much is needed for a path being constructed
// - how much value can channels following this node (up to the destination) can contribute,
// considering their capacity and fees
value_contribution_msat: u64,
- /// The effective htlc_minimum_msat at this hop. If a later hop on the path had a higher HTLC
- /// minimum, we use it, plus the fees required at each earlier hop to meet it.
- path_htlc_minimum_msat: u64,
- /// All penalties incurred from this hop on the way to the destination, as calculated using
- /// channel scoring.
- path_penalty_msat: u64,
+ total_cltv_delta: u32,
/// The number of hops walked up to this node.
path_length_to_node: u8,
}
impl cmp::Ord for RouteGraphNode {
fn cmp(&self, other: &RouteGraphNode) -> cmp::Ordering {
- let other_score = cmp::max(other.lowest_fee_to_node, other.path_htlc_minimum_msat)
- .saturating_add(other.path_penalty_msat);
- let self_score = cmp::max(self.lowest_fee_to_node, self.path_htlc_minimum_msat)
- .saturating_add(self.path_penalty_msat);
- other_score.cmp(&self_score).then_with(|| other.node_id.cmp(&self.node_id))
+ other.score.cmp(&self.score).then_with(|| other.node_id.cmp(&self.node_id))
}
}
}
}
+// While RouteGraphNode can be laid out with fewer bytes, performance appears to be improved
+// substantially when it is laid out at exactly 64 bytes.
+//
+// Thus, we use `#[repr(C)]` on the struct to force a suboptimal layout and check that it stays 64
+// bytes here.
+#[cfg(any(ldk_bench, not(any(test, fuzzing))))]
+const _GRAPH_NODE_SMALL: usize = 64 - core::mem::size_of::<RouteGraphNode>();
+#[cfg(any(ldk_bench, not(any(test, fuzzing))))]
+const _GRAPH_NODE_FIXED_SIZE: usize = core::mem::size_of::<RouteGraphNode>() - 64;
+
+/// A [`CandidateRouteHop::FirstHop`] entry.
+#[derive(Clone, Debug)]
+pub struct FirstHopCandidate<'a> {
+ /// Channel details of the first hop
+ ///
+ /// [`ChannelDetails::get_outbound_payment_scid`] MUST be `Some` (indicating the channel
+ /// has been funded and is able to pay), and accessor methods may panic otherwise.
+ ///
+ /// [`find_route`] validates this prior to constructing a [`CandidateRouteHop`].
+ pub details: &'a ChannelDetails,
+ /// The node id of the payer, which is also the source side of this candidate route hop.
+ pub payer_node_id: &'a NodeId,
+}
+
+/// A [`CandidateRouteHop::PublicHop`] entry.
+#[derive(Clone, Debug)]
+pub struct PublicHopCandidate<'a> {
+ /// Information about the channel, including potentially its capacity and
+ /// direction-specific information.
+ pub info: DirectedChannelInfo<'a>,
+ /// The short channel ID of the channel, i.e. the identifier by which we refer to this
+ /// channel.
+ pub short_channel_id: u64,
+}
+
+/// A [`CandidateRouteHop::PrivateHop`] entry.
+#[derive(Clone, Debug)]
+pub struct PrivateHopCandidate<'a> {
+ /// Information about the private hop communicated via BOLT 11.
+ pub hint: &'a RouteHintHop,
+ /// Node id of the next hop in BOLT 11 route hint.
+ pub target_node_id: &'a NodeId
+}
+
+/// A [`CandidateRouteHop::Blinded`] entry.
+#[derive(Clone, Debug)]
+pub struct BlindedPathCandidate<'a> {
+ /// Information about the blinded path including the fee, HTLC amount limits, and
+ /// cryptographic material required to build an HTLC through the given path.
+ pub hint: &'a (BlindedPayInfo, BlindedPath),
+ /// Index of the hint in the original list of blinded hints.
+ ///
+ /// This is used to cheaply uniquely identify this blinded path, even though we don't have
+ /// a short channel ID for this hop.
+ hint_idx: usize,
+}
+
+/// A [`CandidateRouteHop::OneHopBlinded`] entry.
+#[derive(Clone, Debug)]
+pub struct OneHopBlindedPathCandidate<'a> {
+ /// Information about the blinded path including the fee, HTLC amount limits, and
+ /// cryptographic material required to build an HTLC terminating with the given path.
+ ///
+ /// Note that the [`BlindedPayInfo`] is ignored here.
+ pub hint: &'a (BlindedPayInfo, BlindedPath),
+ /// Index of the hint in the original list of blinded hints.
+ ///
+ /// This is used to cheaply uniquely identify this blinded path, even though we don't have
+ /// a short channel ID for this hop.
+ hint_idx: usize,
+}
+
/// A wrapper around the various hop representations.
///
-/// Used to construct a [`PathBuildingHop`] and to estimate [`EffectiveCapacity`].
+/// Can be used to examine the properties of a hop,
+/// potentially to decide whether to include it in a route.
#[derive(Clone, Debug)]
-enum CandidateRouteHop<'a> {
+pub enum CandidateRouteHop<'a> {
/// A hop from the payer, where the outbound liquidity is known.
- FirstHop {
- details: &'a ChannelDetails,
- },
- /// A hop found in the [`ReadOnlyNetworkGraph`], where the channel capacity may be unknown.
- PublicHop {
- info: DirectedChannelInfo<'a>,
- short_channel_id: u64,
- },
- /// A hop to the payee found in the BOLT 11 payment invoice, though not necessarily a direct
- /// channel.
- PrivateHop {
- hint: &'a RouteHintHop,
- },
- /// The payee's identity is concealed behind blinded paths provided in a BOLT 12 invoice.
- Blinded {
- hint: &'a (BlindedPayInfo, BlindedPath),
- hint_idx: usize,
- },
- /// Similar to [`Self::Blinded`], but the path here has 1 blinded hop. `BlindedPayInfo` provided
- /// for 1-hop blinded paths is ignored because it is meant to apply to the hops *between* the
- /// introduction node and the destination. Useful for tracking that we need to include a blinded
- /// path at the end of our [`Route`].
- OneHopBlinded {
- hint: &'a (BlindedPayInfo, BlindedPath),
- hint_idx: usize,
- },
+ FirstHop(FirstHopCandidate<'a>),
+ /// A hop found in the [`ReadOnlyNetworkGraph`].
+ PublicHop(PublicHopCandidate<'a>),
+ /// A private hop communicated by the payee, generally via a BOLT 11 invoice.
+ ///
+ /// Because BOLT 11 route hints can take multiple hops to get to the destination, this may not
+ /// terminate at the payee.
+ PrivateHop(PrivateHopCandidate<'a>),
+ /// A blinded path which starts with an introduction point and ultimately terminates with the
+ /// payee.
+ ///
+ /// Because we don't know the payee's identity, [`CandidateRouteHop::target`] will return
+ /// `None` in this state.
+ ///
+ /// Because blinded paths are "all or nothing", and we cannot use just one part of a blinded
+ /// path, the full path is treated as a single [`CandidateRouteHop`].
+ Blinded(BlindedPathCandidate<'a>),
+ /// Similar to [`Self::Blinded`], but the path here only has one hop.
+ ///
+ /// While we treat this similarly to [`CandidateRouteHop::Blinded`] in many respects (e.g.
+ /// returning `None` from [`CandidateRouteHop::target`]), in this case we do actually know the
+ /// payee's identity - it's the introduction point!
+ ///
+ /// [`BlindedPayInfo`] provided for 1-hop blinded paths is ignored because it is meant to apply
+ /// to the hops *between* the introduction node and the destination.
+ ///
+ /// This primarily exists to track that we need to included a blinded path at the end of our
+ /// [`Route`], even though it doesn't actually add an additional hop in the payment.
+ OneHopBlinded(OneHopBlindedPathCandidate<'a>),
}
impl<'a> CandidateRouteHop<'a> {
+ /// Returns the short channel ID for this hop, if one is known.
+ ///
+ /// This SCID could be an alias or a globally unique SCID, and thus is only expected to
+ /// uniquely identify this channel in conjunction with the [`CandidateRouteHop::source`].
+ ///
+ /// Returns `Some` as long as the candidate is a [`CandidateRouteHop::PublicHop`], a
+ /// [`CandidateRouteHop::PrivateHop`] from a BOLT 11 route hint, or a
+ /// [`CandidateRouteHop::FirstHop`] with a known [`ChannelDetails::get_outbound_payment_scid`]
+ /// (which is always true for channels which are funded and ready for use).
+ ///
+ /// In other words, this should always return `Some` as long as the candidate hop is not a
+ /// [`CandidateRouteHop::Blinded`] or a [`CandidateRouteHop::OneHopBlinded`].
+ ///
+ /// Note that this is deliberately not public as it is somewhat of a footgun because it doesn't
+ /// define a global namespace.
+ #[inline]
fn short_channel_id(&self) -> Option<u64> {
match self {
- CandidateRouteHop::FirstHop { details } => Some(details.get_outbound_payment_scid().unwrap()),
- CandidateRouteHop::PublicHop { short_channel_id, .. } => Some(*short_channel_id),
- CandidateRouteHop::PrivateHop { hint } => Some(hint.short_channel_id),
- CandidateRouteHop::Blinded { .. } => None,
- CandidateRouteHop::OneHopBlinded { .. } => None,
+ CandidateRouteHop::FirstHop(hop) => hop.details.get_outbound_payment_scid(),
+ CandidateRouteHop::PublicHop(hop) => Some(hop.short_channel_id),
+ CandidateRouteHop::PrivateHop(hop) => Some(hop.hint.short_channel_id),
+ CandidateRouteHop::Blinded(_) => None,
+ CandidateRouteHop::OneHopBlinded(_) => None,
+ }
+ }
+
+ /// Returns the globally unique short channel ID for this hop, if one is known.
+ ///
+ /// This only returns `Some` if the channel is public (either our own, or one we've learned
+ /// from the public network graph), and thus the short channel ID we have for this channel is
+ /// globally unique and identifies this channel in a global namespace.
+ #[inline]
+ pub fn globally_unique_short_channel_id(&self) -> Option<u64> {
+ match self {
+ CandidateRouteHop::FirstHop(hop) => if hop.details.is_public { hop.details.short_channel_id } else { None },
+ CandidateRouteHop::PublicHop(hop) => Some(hop.short_channel_id),
+ CandidateRouteHop::PrivateHop(_) => None,
+ CandidateRouteHop::Blinded(_) => None,
+ CandidateRouteHop::OneHopBlinded(_) => None,
}
}
// NOTE: This may alloc memory so avoid calling it in a hot code path.
fn features(&self) -> ChannelFeatures {
match self {
- CandidateRouteHop::FirstHop { details } => details.counterparty.features.to_context(),
- CandidateRouteHop::PublicHop { info, .. } => info.channel().features.clone(),
- CandidateRouteHop::PrivateHop { .. } => ChannelFeatures::empty(),
- CandidateRouteHop::Blinded { .. } => ChannelFeatures::empty(),
- CandidateRouteHop::OneHopBlinded { .. } => ChannelFeatures::empty(),
+ CandidateRouteHop::FirstHop(hop) => hop.details.counterparty.features.to_context(),
+ CandidateRouteHop::PublicHop(hop) => hop.info.channel().features.clone(),
+ CandidateRouteHop::PrivateHop(_) => ChannelFeatures::empty(),
+ CandidateRouteHop::Blinded(_) => ChannelFeatures::empty(),
+ CandidateRouteHop::OneHopBlinded(_) => ChannelFeatures::empty(),
}
}
- fn cltv_expiry_delta(&self) -> u32 {
+ /// Returns the required difference in HTLC CLTV expiry between the [`Self::source`] and the
+ /// next-hop for an HTLC taking this hop.
+ ///
+ /// This is the time that the node(s) in this hop have to claim the HTLC on-chain if the
+ /// next-hop goes on chain with a payment preimage.
+ #[inline]
+ pub fn cltv_expiry_delta(&self) -> u32 {
match self {
- CandidateRouteHop::FirstHop { .. } => 0,
- CandidateRouteHop::PublicHop { info, .. } => info.direction().cltv_expiry_delta as u32,
- CandidateRouteHop::PrivateHop { hint } => hint.cltv_expiry_delta as u32,
- CandidateRouteHop::Blinded { hint, .. } => hint.0.cltv_expiry_delta as u32,
- CandidateRouteHop::OneHopBlinded { .. } => 0,
+ CandidateRouteHop::FirstHop(_) => 0,
+ CandidateRouteHop::PublicHop(hop) => hop.info.direction().cltv_expiry_delta as u32,
+ CandidateRouteHop::PrivateHop(hop) => hop.hint.cltv_expiry_delta as u32,
+ CandidateRouteHop::Blinded(hop) => hop.hint.0.cltv_expiry_delta as u32,
+ CandidateRouteHop::OneHopBlinded(_) => 0,
}
}
- fn htlc_minimum_msat(&self) -> u64 {
+ /// Returns the minimum amount that can be sent over this hop, in millisatoshis.
+ #[inline]
+ pub fn htlc_minimum_msat(&self) -> u64 {
match self {
- CandidateRouteHop::FirstHop { details } => details.next_outbound_htlc_minimum_msat,
- CandidateRouteHop::PublicHop { info, .. } => info.direction().htlc_minimum_msat,
- CandidateRouteHop::PrivateHop { hint } => hint.htlc_minimum_msat.unwrap_or(0),
- CandidateRouteHop::Blinded { hint, .. } => hint.0.htlc_minimum_msat,
+ CandidateRouteHop::FirstHop(hop) => hop.details.next_outbound_htlc_minimum_msat,
+ CandidateRouteHop::PublicHop(hop) => hop.info.direction().htlc_minimum_msat,
+ CandidateRouteHop::PrivateHop(hop) => hop.hint.htlc_minimum_msat.unwrap_or(0),
+ CandidateRouteHop::Blinded(hop) => hop.hint.0.htlc_minimum_msat,
CandidateRouteHop::OneHopBlinded { .. } => 0,
}
}
- fn fees(&self) -> RoutingFees {
+ /// Returns the fees that must be paid to route an HTLC over this channel.
+ #[inline]
+ pub fn fees(&self) -> RoutingFees {
match self {
- CandidateRouteHop::FirstHop { .. } => RoutingFees {
+ CandidateRouteHop::FirstHop(_) => RoutingFees {
base_msat: 0, proportional_millionths: 0,
},
- CandidateRouteHop::PublicHop { info, .. } => info.direction().fees,
- CandidateRouteHop::PrivateHop { hint } => hint.fees,
- CandidateRouteHop::Blinded { hint, .. } => {
+ CandidateRouteHop::PublicHop(hop) => hop.info.direction().fees,
+ CandidateRouteHop::PrivateHop(hop) => hop.hint.fees,
+ CandidateRouteHop::Blinded(hop) => {
RoutingFees {
- base_msat: hint.0.fee_base_msat,
- proportional_millionths: hint.0.fee_proportional_millionths
+ base_msat: hop.hint.0.fee_base_msat,
+ proportional_millionths: hop.hint.0.fee_proportional_millionths
}
},
- CandidateRouteHop::OneHopBlinded { .. } =>
+ CandidateRouteHop::OneHopBlinded(_) =>
RoutingFees { base_msat: 0, proportional_millionths: 0 },
}
}
+ /// Fetch the effective capacity of this hop.
+ ///
+ /// Note that this may be somewhat expensive, so calls to this should be limited and results
+ /// cached!
fn effective_capacity(&self) -> EffectiveCapacity {
match self {
- CandidateRouteHop::FirstHop { details } => EffectiveCapacity::ExactLiquidity {
- liquidity_msat: details.next_outbound_htlc_limit_msat,
+ CandidateRouteHop::FirstHop(hop) => EffectiveCapacity::ExactLiquidity {
+ liquidity_msat: hop.details.next_outbound_htlc_limit_msat,
},
- CandidateRouteHop::PublicHop { info, .. } => info.effective_capacity(),
- CandidateRouteHop::PrivateHop { hint: RouteHintHop { htlc_maximum_msat: Some(max), .. }} =>
+ CandidateRouteHop::PublicHop(hop) => hop.info.effective_capacity(),
+ CandidateRouteHop::PrivateHop(PrivateHopCandidate { hint: RouteHintHop { htlc_maximum_msat: Some(max), .. }, .. }) =>
EffectiveCapacity::HintMaxHTLC { amount_msat: *max },
- CandidateRouteHop::PrivateHop { hint: RouteHintHop { htlc_maximum_msat: None, .. }} =>
+ CandidateRouteHop::PrivateHop(PrivateHopCandidate { hint: RouteHintHop { htlc_maximum_msat: None, .. }, .. }) =>
EffectiveCapacity::Infinite,
- CandidateRouteHop::Blinded { hint, .. } =>
- EffectiveCapacity::HintMaxHTLC { amount_msat: hint.0.htlc_maximum_msat },
- CandidateRouteHop::OneHopBlinded { .. } => EffectiveCapacity::Infinite,
+ CandidateRouteHop::Blinded(hop) =>
+ EffectiveCapacity::HintMaxHTLC { amount_msat: hop.hint.0.htlc_maximum_msat },
+ CandidateRouteHop::OneHopBlinded(_) => EffectiveCapacity::Infinite,
}
}
- fn id(&self, channel_direction: bool /* src_node_id < target_node_id */) -> CandidateHopId {
+ /// Returns an ID describing the given hop.
+ ///
+ /// See the docs on [`CandidateHopId`] for when this is, or is not, unique.
+ #[inline]
+ fn id(&self) -> CandidateHopId {
match self {
- CandidateRouteHop::Blinded { hint_idx, .. } => CandidateHopId::Blinded(*hint_idx),
- CandidateRouteHop::OneHopBlinded { hint_idx, .. } => CandidateHopId::Blinded(*hint_idx),
- _ => CandidateHopId::Clear((self.short_channel_id().unwrap(), channel_direction)),
+ CandidateRouteHop::Blinded(hop) => CandidateHopId::Blinded(hop.hint_idx),
+ CandidateRouteHop::OneHopBlinded(hop) => CandidateHopId::Blinded(hop.hint_idx),
+ _ => CandidateHopId::Clear((self.short_channel_id().unwrap(), self.source() < self.target().unwrap())),
}
}
fn blinded_path(&self) -> Option<&'a BlindedPath> {
match self {
- CandidateRouteHop::Blinded { hint, .. } | CandidateRouteHop::OneHopBlinded { hint, .. } => {
+ CandidateRouteHop::Blinded(BlindedPathCandidate { hint, .. }) | CandidateRouteHop::OneHopBlinded(OneHopBlindedPathCandidate { hint, .. }) => {
Some(&hint.1)
},
_ => None,
}
}
+ fn blinded_hint_idx(&self) -> Option<usize> {
+ match self {
+ Self::Blinded(BlindedPathCandidate { hint_idx, .. }) |
+ Self::OneHopBlinded(OneHopBlindedPathCandidate { hint_idx, .. }) => {
+ Some(*hint_idx)
+ },
+ _ => None,
+ }
+ }
+ /// Returns the source node id of current hop.
+ ///
+ /// Source node id refers to the node forwarding the HTLC through this hop.
+ ///
+ /// For [`Self::FirstHop`] we return payer's node id.
+ #[inline]
+ pub fn source(&self) -> NodeId {
+ match self {
+ CandidateRouteHop::FirstHop(hop) => *hop.payer_node_id,
+ CandidateRouteHop::PublicHop(hop) => *hop.info.source(),
+ CandidateRouteHop::PrivateHop(hop) => hop.hint.src_node_id.into(),
+ CandidateRouteHop::Blinded(hop) => hop.hint.1.introduction_node_id.into(),
+ CandidateRouteHop::OneHopBlinded(hop) => hop.hint.1.introduction_node_id.into(),
+ }
+ }
+ /// Returns the target node id of this hop, if known.
+ ///
+ /// Target node id refers to the node receiving the HTLC after this hop.
+ ///
+ /// For [`Self::Blinded`] we return `None` because the ultimate destination after the blinded
+ /// path is unknown.
+ ///
+ /// For [`Self::OneHopBlinded`] we return `None` because the target is the same as the source,
+ /// and such a return value would be somewhat nonsensical.
+ #[inline]
+ pub fn target(&self) -> Option<NodeId> {
+ match self {
+ CandidateRouteHop::FirstHop(hop) => Some(hop.details.counterparty.node_id.into()),
+ CandidateRouteHop::PublicHop(hop) => Some(*hop.info.target()),
+ CandidateRouteHop::PrivateHop(hop) => Some(*hop.target_node_id),
+ CandidateRouteHop::Blinded(_) => None,
+ CandidateRouteHop::OneHopBlinded(_) => None,
+ }
+ }
}
+/// A unique(ish) identifier for a specific [`CandidateRouteHop`].
+///
+/// For blinded paths, this ID is unique only within a given [`find_route`] call.
+///
+/// For other hops, because SCIDs between private channels and public channels can conflict, this
+/// isn't guaranteed to be unique at all.
+///
+/// For our uses, this is generally fine, but it is not public as it is otherwise a rather
+/// difficult-to-use API.
#[derive(Clone, Copy, Eq, Hash, Ord, PartialOrd, PartialEq)]
enum CandidateHopId {
/// Contains (scid, src_node_id < target_node_id)
/// Fee values should be updated only in the context of the whole path, see update_value_and_recompute_fees.
/// These fee values are useful to choose hops as we traverse the graph "payee-to-payer".
#[derive(Clone)]
+#[repr(C)] // Force fields to appear in the order we define them.
struct PathBuildingHop<'a> {
- // Note that this should be dropped in favor of loading it from CandidateRouteHop, but doing so
- // is a larger refactor and will require careful performance analysis.
- node_id: NodeId,
candidate: CandidateRouteHop<'a>,
- fee_msat: u64,
-
- /// All the fees paid *after* this channel on the way to the destination
- next_hops_fee_msat: u64,
- /// Fee paid for the use of the current channel (see candidate.fees()).
- /// The value will be actually deducted from the counterparty balance on the previous link.
- hop_use_fee_msat: u64,
+ /// If we've already processed a node as the best node, we shouldn't process it again. Normally
+ /// we'd just ignore it if we did as all channels would have a higher new fee, but because we
+ /// may decrease the amounts in use as we walk the graph, the actual calculated fee may
+ /// decrease as well. Thus, we have to explicitly track which nodes have been processed and
+ /// avoid processing them again.
+ was_processed: bool,
/// Used to compare channels when choosing the for routing.
/// Includes paying for the use of a hop and the following hops, as well as
/// an estimated cost of reaching this hop.
/// All penalties incurred from this channel on the way to the destination, as calculated using
/// channel scoring.
path_penalty_msat: u64,
- /// If we've already processed a node as the best node, we shouldn't process it again. Normally
- /// we'd just ignore it if we did as all channels would have a higher new fee, but because we
- /// may decrease the amounts in use as we walk the graph, the actual calculated fee may
- /// decrease as well. Thus, we have to explicitly track which nodes have been processed and
- /// avoid processing them again.
- was_processed: bool,
+
+ // The last 16 bytes are on the next cache line by default in glibc's malloc. Thus, we should
+ // only place fields which are not hot there. Luckily, the next three fields are only read if
+ // we end up on the selected path, and only in the final path layout phase, so we don't care
+ // too much if reading them is slow.
+
+ fee_msat: u64,
+
+ /// All the fees paid *after* this channel on the way to the destination
+ next_hops_fee_msat: u64,
+ /// Fee paid for the use of the current channel (see candidate.fees()).
+ /// The value will be actually deducted from the counterparty balance on the previous link.
+ hop_use_fee_msat: u64,
+
#[cfg(all(not(ldk_bench), any(test, fuzzing)))]
// In tests, we apply further sanity checks on cases where we skip nodes we already processed
// to ensure it is specifically in cases where the fee has gone down because of a decrease in
value_contribution_msat: u64,
}
+// Checks that the entries in the `find_route` `dist` map fit in (exactly) two standard x86-64
+// cache lines. Sadly, they're not guaranteed to actually lie on a cache line (and in fact,
+// generally won't, because at least glibc's malloc will align to a nice, big, round
+// boundary...plus 16), but at least it will reduce the amount of data we'll need to load.
+//
+// Note that these assertions only pass on somewhat recent rustc, and thus are gated on the
+// ldk_bench flag.
+#[cfg(ldk_bench)]
+const _NODE_MAP_SIZE_TWO_CACHE_LINES: usize = 128 - core::mem::size_of::<(NodeId, PathBuildingHop)>();
+#[cfg(ldk_bench)]
+const _NODE_MAP_SIZE_EXACTLY_CACHE_LINES: usize = core::mem::size_of::<(NodeId, PathBuildingHop)>() - 128;
+
impl<'a> core::fmt::Debug for PathBuildingHop<'a> {
fn fmt(&self, f: &mut core::fmt::Formatter) -> Result<(), core::fmt::Error> {
let mut debug_struct = f.debug_struct("PathBuildingHop");
debug_struct
- .field("node_id", &self.node_id)
+ .field("node_id", &self.candidate.target())
.field("short_channel_id", &self.candidate.short_channel_id())
.field("total_fee_msat", &self.total_fee_msat)
.field("next_hops_fee_msat", &self.next_hops_fee_msat)
impl<'a> fmt::Display for LoggedCandidateHop<'a> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
match self.0 {
- CandidateRouteHop::Blinded { hint, .. } | CandidateRouteHop::OneHopBlinded { hint, .. } => {
+ CandidateRouteHop::Blinded(BlindedPathCandidate { hint, .. }) | CandidateRouteHop::OneHopBlinded(OneHopBlindedPathCandidate { hint, .. }) => {
"blinded route hint with introduction node id ".fmt(f)?;
hint.1.introduction_node_id.fmt(f)?;
" and blinding point ".fmt(f)?;
hint.1.blinding_point.fmt(f)
},
- CandidateRouteHop::FirstHop { .. } => {
+ CandidateRouteHop::FirstHop(_) => {
"first hop with SCID ".fmt(f)?;
self.0.short_channel_id().unwrap().fmt(f)
},
- CandidateRouteHop::PrivateHop { .. } => {
+ CandidateRouteHop::PrivateHop(_) => {
"route hint with SCID ".fmt(f)?;
self.0.short_channel_id().unwrap().fmt(f)
},
}
}
+ let mut private_hop_key_cache = HashMap::with_capacity(
+ payment_params.payee.unblinded_route_hints().iter().map(|path| path.0.len()).sum()
+ );
+
+ // Because we store references to private hop node_ids in `dist`, below, we need them to exist
+ // (as `NodeId`, not `PublicKey`) for the lifetime of `dist`. Thus, we calculate all the keys
+ // we'll need here and simply fetch them when routing.
+ private_hop_key_cache.insert(maybe_dummy_payee_pk, NodeId::from_pubkey(&maybe_dummy_payee_pk));
+ for route in payment_params.payee.unblinded_route_hints().iter() {
+ for hop in route.0.iter() {
+ private_hop_key_cache.insert(hop.src_node_id, NodeId::from_pubkey(&hop.src_node_id));
+ }
+ }
+
// The main heap containing all candidate next-hops sorted by their score (max(fee,
// htlc_minimum)). Ideally this would be a heap which allowed cheap score reduction instead of
// adding duplicate entries when we find a better path to a given node.
let mut num_ignored_htlc_minimum_msat_limit: u32 = 0;
macro_rules! add_entry {
- // Adds entry which goes from $src_node_id to $dest_node_id over the $candidate hop.
+ // Adds entry which goes from $candidate.source() to $candidate.target() over the $candidate hop.
// $next_hops_fee_msat represents the fees paid for using all the channels *after* this one,
// since that value has to be transferred over this channel.
// Returns the contribution amount of $candidate if the channel caused an update to `targets`.
- ( $candidate: expr, $src_node_id: expr, $dest_node_id: expr, $next_hops_fee_msat: expr,
+ ( $candidate: expr, $next_hops_fee_msat: expr,
$next_hops_value_contribution: expr, $next_hops_path_htlc_minimum_msat: expr,
$next_hops_path_penalty_msat: expr, $next_hops_cltv_delta: expr, $next_hops_path_length: expr ) => { {
// We "return" whether we updated the path at the end, and how much we can route via
// practice these cases should be caught earlier:
// - for regular channels at channel announcement (TODO)
// - for first and last hops early in get_route
- if $src_node_id != $dest_node_id {
+ let src_node_id = $candidate.source();
+ if Some(src_node_id) != $candidate.target() {
let scid_opt = $candidate.short_channel_id();
let effective_capacity = $candidate.effective_capacity();
let htlc_maximum_msat = max_htlc_from_capacity(effective_capacity, channel_saturation_pow_half);
// We do this for now, but this is a subject for removal.
if let Some(mut available_value_contribution_msat) = htlc_maximum_msat.checked_sub($next_hops_fee_msat) {
let used_liquidity_msat = used_liquidities
- .get(&$candidate.id($src_node_id < $dest_node_id))
+ .get(&$candidate.id())
.map_or(0, |used_liquidity_msat| {
available_value_contribution_msat = available_value_contribution_msat
.saturating_sub(*used_liquidity_msat);
(amount_to_transfer_over_msat < $next_hops_path_htlc_minimum_msat &&
recommended_value_msat >= $next_hops_path_htlc_minimum_msat));
- let payment_failed_on_this_channel = scid_opt.map_or(false,
- |scid| payment_params.previously_failed_channels.contains(&scid));
+ let payment_failed_on_this_channel = match scid_opt {
+ Some(scid) => payment_params.previously_failed_channels.contains(&scid),
+ None => match $candidate.blinded_hint_idx() {
+ Some(idx) => {
+ payment_params.previously_failed_blinded_path_idxs.contains(&(idx as u64))
+ },
+ None => false,
+ },
+ };
- let should_log_candidate = match $candidate {
- CandidateRouteHop::FirstHop { .. } => true,
- CandidateRouteHop::PrivateHop { .. } => true,
- CandidateRouteHop::Blinded { .. } => true,
- CandidateRouteHop::OneHopBlinded { .. } => true,
- _ => false,
+ let (should_log_candidate, first_hop_details) = match $candidate {
+ CandidateRouteHop::FirstHop(hop) => (true, Some(hop.details)),
+ CandidateRouteHop::PrivateHop(_) => (true, None),
+ CandidateRouteHop::Blinded(_) => (true, None),
+ CandidateRouteHop::OneHopBlinded(_) => (true, None),
+ _ => (false, None),
};
// If HTLC minimum is larger than the amount we're going to transfer, we shouldn't
if !contributes_sufficient_value {
if should_log_candidate {
log_trace!(logger, "Ignoring {} due to insufficient value contribution.", LoggedCandidateHop(&$candidate));
+
+ if let Some(details) = first_hop_details {
+ log_trace!(logger,
+ "First hop candidate next_outbound_htlc_limit_msat: {}",
+ details.next_outbound_htlc_limit_msat,
+ );
+ }
}
num_ignored_value_contribution += 1;
} else if exceeds_max_path_length {
} else if exceeds_cltv_delta_limit {
if should_log_candidate {
log_trace!(logger, "Ignoring {} due to exceeding CLTV delta limit.", LoggedCandidateHop(&$candidate));
+
+ if let Some(_) = first_hop_details {
+ log_trace!(logger,
+ "First hop candidate cltv_expiry_delta: {}. Limit: {}",
+ hop_total_cltv_delta,
+ max_total_cltv_expiry_delta,
+ );
+ }
}
num_ignored_cltv_delta_limit += 1;
} else if payment_failed_on_this_channel {
log_trace!(logger,
"Ignoring {} to avoid overpaying to meet htlc_minimum_msat limit.",
LoggedCandidateHop(&$candidate));
+
+ if let Some(details) = first_hop_details {
+ log_trace!(logger,
+ "First hop candidate next_outbound_htlc_minimum_msat: {}",
+ details.next_outbound_htlc_minimum_msat,
+ );
+ }
}
num_ignored_avoid_overpayment += 1;
hit_minimum_limit = true;
);
let path_htlc_minimum_msat = compute_fees_saturating(curr_min, $candidate.fees())
.saturating_add(curr_min);
- let hm_entry = dist.entry($src_node_id);
+ let hm_entry = dist.entry(src_node_id);
let old_entry = hm_entry.or_insert_with(|| {
// If there was previously no known way to access the source node
// (recall it goes payee-to-payer) of short_channel_id, first add a
// semi-dummy record just to compute the fees to reach the source node.
// This will affect our decision on selecting short_channel_id
- // as a way to reach the $dest_node_id.
+ // as a way to reach the $candidate.target() node.
PathBuildingHop {
- node_id: $dest_node_id.clone(),
candidate: $candidate.clone(),
fee_msat: 0,
next_hops_fee_msat: u64::max_value(),
// Ignore hop_use_fee_msat for channel-from-us as we assume all channels-from-us
// will have the same effective-fee
- if $src_node_id != our_node_id {
+ if src_node_id != our_node_id {
// Note that `u64::max_value` means we'll always fail the
// `old_entry.total_fee_msat > total_fee_msat` check below
hop_use_fee_msat = compute_fees_saturating(amount_to_transfer_over_msat, $candidate.fees());
if total_fee_msat > max_total_routing_fee_msat {
if should_log_candidate {
log_trace!(logger, "Ignoring {} due to exceeding max total routing fee limit.", LoggedCandidateHop(&$candidate));
+
+ if let Some(_) = first_hop_details {
+ log_trace!(logger,
+ "First hop candidate routing fee: {}. Limit: {}",
+ total_fee_msat,
+ max_total_routing_fee_msat,
+ );
+ }
}
num_ignored_total_fee_limit += 1;
} else {
inflight_htlc_msat: used_liquidity_msat,
effective_capacity,
};
- let channel_penalty_msat = scid_opt.map_or(0,
- |scid| scorer.channel_penalty_msat(scid, &$src_node_id, &$dest_node_id,
- channel_usage, score_params));
+ let channel_penalty_msat =
+ scorer.channel_penalty_msat($candidate,
+ channel_usage,
+ score_params);
let path_penalty_msat = $next_hops_path_penalty_msat
.saturating_add(channel_penalty_msat);
- let new_graph_node = RouteGraphNode {
- node_id: $src_node_id,
- lowest_fee_to_node: total_fee_msat,
- total_cltv_delta: hop_total_cltv_delta,
- value_contribution_msat,
- path_htlc_minimum_msat,
- path_penalty_msat,
- path_length_to_node,
- };
- // Update the way of reaching $src_node_id with the given short_channel_id (from $dest_node_id),
+ // Update the way of reaching $candidate.source()
+ // with the given short_channel_id (from $candidate.target()),
// if this way is cheaper than the already known
// (considering the cost to "reach" this channel from the route destination,
// the cost of using this channel,
.saturating_add(path_penalty_msat);
if !old_entry.was_processed && new_cost < old_cost {
+ let new_graph_node = RouteGraphNode {
+ node_id: src_node_id,
+ score: cmp::max(total_fee_msat, path_htlc_minimum_msat).saturating_add(path_penalty_msat),
+ total_cltv_delta: hop_total_cltv_delta,
+ value_contribution_msat,
+ path_length_to_node,
+ };
targets.push(new_graph_node);
old_entry.next_hops_fee_msat = $next_hops_fee_msat;
old_entry.hop_use_fee_msat = hop_use_fee_msat;
old_entry.total_fee_msat = total_fee_msat;
- old_entry.node_id = $dest_node_id.clone();
old_entry.candidate = $candidate.clone();
old_entry.fee_msat = 0; // This value will be later filled with hop_use_fee_msat of the following channel
old_entry.path_htlc_minimum_msat = path_htlc_minimum_msat;
log_trace!(logger,
"Ignoring {} due to its htlc_minimum_msat limit.",
LoggedCandidateHop(&$candidate));
+
+ if let Some(details) = first_hop_details {
+ log_trace!(logger,
+ "First hop candidate next_outbound_htlc_minimum_msat: {}",
+ details.next_outbound_htlc_minimum_msat,
+ );
+ }
}
num_ignored_htlc_minimum_msat_limit += 1;
}
// meaning how much will be paid in fees after this node (to the best of our knowledge).
// This data can later be helpful to optimize routing (pay lower fees).
macro_rules! add_entries_to_cheapest_to_target_node {
- ( $node: expr, $node_id: expr, $fee_to_target_msat: expr, $next_hops_value_contribution: expr,
- $next_hops_path_htlc_minimum_msat: expr, $next_hops_path_penalty_msat: expr,
+ ( $node: expr, $node_id: expr, $next_hops_value_contribution: expr,
$next_hops_cltv_delta: expr, $next_hops_path_length: expr ) => {
+ let fee_to_target_msat;
+ let next_hops_path_htlc_minimum_msat;
+ let next_hops_path_penalty_msat;
let skip_node = if let Some(elem) = dist.get_mut(&$node_id) {
let was_processed = elem.was_processed;
elem.was_processed = true;
+ fee_to_target_msat = elem.total_fee_msat;
+ next_hops_path_htlc_minimum_msat = elem.path_htlc_minimum_msat;
+ next_hops_path_penalty_msat = elem.path_penalty_msat;
was_processed
} else {
// Entries are added to dist in add_entry!() when there is a channel from a node.
// Because there are no channels from payee, it will not have a dist entry at this point.
// If we're processing any other node, it is always be the result of a channel from it.
debug_assert_eq!($node_id, maybe_dummy_payee_node_id);
+ fee_to_target_msat = 0;
+ next_hops_path_htlc_minimum_msat = 0;
+ next_hops_path_penalty_msat = 0;
false
};
if !skip_node {
if let Some(first_channels) = first_hop_targets.get(&$node_id) {
for details in first_channels {
- let candidate = CandidateRouteHop::FirstHop { details };
- add_entry!(candidate, our_node_id, $node_id, $fee_to_target_msat,
+ let candidate = CandidateRouteHop::FirstHop(FirstHopCandidate {
+ details, payer_node_id: &our_node_id,
+ });
+ add_entry!(&candidate, fee_to_target_msat,
$next_hops_value_contribution,
- $next_hops_path_htlc_minimum_msat, $next_hops_path_penalty_msat,
+ next_hops_path_htlc_minimum_msat, next_hops_path_penalty_msat,
$next_hops_cltv_delta, $next_hops_path_length);
}
}
if let Some((directed_channel, source)) = chan.as_directed_to(&$node_id) {
if first_hops.is_none() || *source != our_node_id {
if directed_channel.direction().enabled {
- let candidate = CandidateRouteHop::PublicHop {
+ let candidate = CandidateRouteHop::PublicHop(PublicHopCandidate {
info: directed_channel,
short_channel_id: *chan_id,
- };
- add_entry!(candidate, *source, $node_id,
- $fee_to_target_msat,
+ });
+ add_entry!(&candidate,
+ fee_to_target_msat,
$next_hops_value_contribution,
- $next_hops_path_htlc_minimum_msat,
- $next_hops_path_penalty_msat,
+ next_hops_path_htlc_minimum_msat,
+ next_hops_path_penalty_msat,
$next_hops_cltv_delta, $next_hops_path_length);
}
}
// place where it could be added.
payee_node_id_opt.map(|payee| first_hop_targets.get(&payee).map(|first_channels| {
for details in first_channels {
- let candidate = CandidateRouteHop::FirstHop { details };
- let added = add_entry!(candidate, our_node_id, payee, 0, path_value_msat,
+ let candidate = CandidateRouteHop::FirstHop(FirstHopCandidate {
+ details, payer_node_id: &our_node_id,
+ });
+ let added = add_entry!(&candidate, 0, path_value_msat,
0, 0u64, 0, 0).is_some();
log_trace!(logger, "{} direct route to payee via {}",
if added { "Added" } else { "Skipped" }, LoggedCandidateHop(&candidate));
// If not, targets.pop() will not even let us enter the loop in step 2.
None => {},
Some(node) => {
- add_entries_to_cheapest_to_target_node!(node, payee, 0, path_value_msat, 0, 0u64, 0, 0);
+ add_entries_to_cheapest_to_target_node!(node, payee, path_value_msat, 0, 0);
},
});
network_nodes.get(&intro_node_id).is_some();
if !have_intro_node_in_graph || our_node_id == intro_node_id { continue }
let candidate = if hint.1.blinded_hops.len() == 1 {
- CandidateRouteHop::OneHopBlinded { hint, hint_idx }
- } else { CandidateRouteHop::Blinded { hint, hint_idx } };
+ CandidateRouteHop::OneHopBlinded(OneHopBlindedPathCandidate { hint, hint_idx })
+ } else { CandidateRouteHop::Blinded(BlindedPathCandidate { 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,
+ if let Some(hop_used_msat) = add_entry!(&candidate,
0, path_contribution_msat, 0, 0_u64, 0, 0)
{
path_contribution_msat = hop_used_msat;
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 };
+ let first_hop_candidate = CandidateRouteHop::FirstHop(FirstHopCandidate {
+ details, payer_node_id: &our_node_id,
+ });
let blinded_path_fee = match compute_fees(path_contribution_msat, candidate.fees()) {
Some(fee) => fee,
None => continue
};
let path_min = candidate.htlc_minimum_msat().saturating_add(
compute_fees_saturating(candidate.htlc_minimum_msat(), candidate.fees()));
- add_entry!(first_hop_candidate, our_node_id, intro_node_id, blinded_path_fee,
+ add_entry!(&first_hop_candidate, blinded_path_fee,
path_contribution_msat, path_min, 0_u64, candidate.cltv_expiry_delta(),
candidate.blinded_path().map_or(1, |bp| bp.blinded_hops.len() as u8));
}
let mut aggregate_path_contribution_msat = path_value_msat;
for (idx, (hop, prev_hop_id)) in hop_iter.zip(prev_hop_iter).enumerate() {
- let source = NodeId::from_pubkey(&hop.src_node_id);
- let target = NodeId::from_pubkey(&prev_hop_id);
+ let target = private_hop_key_cache.get(&prev_hop_id).unwrap();
if let Some(first_channels) = first_hop_targets.get(&target) {
if first_channels.iter().any(|d| d.outbound_scid_alias == Some(hop.short_channel_id)) {
let candidate = network_channels
.get(&hop.short_channel_id)
.and_then(|channel| channel.as_directed_to(&target))
- .map(|(info, _)| CandidateRouteHop::PublicHop {
+ .map(|(info, _)| CandidateRouteHop::PublicHop(PublicHopCandidate {
info,
short_channel_id: hop.short_channel_id,
- })
- .unwrap_or_else(|| CandidateRouteHop::PrivateHop { hint: hop });
+ }))
+ .unwrap_or_else(|| CandidateRouteHop::PrivateHop(PrivateHopCandidate { hint: hop, target_node_id: target }));
- if let Some(hop_used_msat) = add_entry!(candidate, source, target,
+ if let Some(hop_used_msat) = add_entry!(&candidate,
aggregate_next_hops_fee_msat, aggregate_path_contribution_msat,
aggregate_next_hops_path_htlc_minimum_msat, aggregate_next_hops_path_penalty_msat,
aggregate_next_hops_cltv_delta, aggregate_next_hops_path_length)
}
let used_liquidity_msat = used_liquidities
- .get(&candidate.id(source < target)).copied()
+ .get(&candidate.id()).copied()
.unwrap_or(0);
let channel_usage = ChannelUsage {
amount_msat: final_value_msat + aggregate_next_hops_fee_msat,
effective_capacity: candidate.effective_capacity(),
};
let channel_penalty_msat = scorer.channel_penalty_msat(
- hop.short_channel_id, &source, &target, channel_usage, score_params
+ &candidate, channel_usage, score_params
);
aggregate_next_hops_path_penalty_msat = aggregate_next_hops_path_penalty_msat
.saturating_add(channel_penalty_msat);
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, target,
+ let first_hop_candidate = CandidateRouteHop::FirstHop(FirstHopCandidate {
+ details, payer_node_id: &our_node_id,
+ });
+ add_entry!(&first_hop_candidate,
aggregate_next_hops_fee_msat, aggregate_path_contribution_msat,
aggregate_next_hops_path_htlc_minimum_msat, aggregate_next_hops_path_penalty_msat,
aggregate_next_hops_cltv_delta, aggregate_next_hops_path_length);
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,
- NodeId::from_pubkey(&hop.src_node_id),
+ let first_hop_candidate = CandidateRouteHop::FirstHop(FirstHopCandidate {
+ details, payer_node_id: &our_node_id,
+ });
+ add_entry!(&first_hop_candidate,
aggregate_next_hops_fee_msat,
aggregate_path_contribution_msat,
aggregate_next_hops_path_htlc_minimum_msat,
// Both these cases (and other cases except reaching recommended_value_msat) mean that
// paths_collection will be stopped because found_new_path==false.
// This is not necessarily a routing failure.
- 'path_construction: while let Some(RouteGraphNode { node_id, lowest_fee_to_node, total_cltv_delta, mut value_contribution_msat, path_htlc_minimum_msat, path_penalty_msat, path_length_to_node, .. }) = targets.pop() {
+ 'path_construction: while let Some(RouteGraphNode { node_id, total_cltv_delta, mut value_contribution_msat, path_length_to_node, .. }) = targets.pop() {
// Since we're going payee-to-payer, hitting our node as a target means we should stop
// traversing the graph and arrange the path out of what we found.
'path_walk: loop {
let mut features_set = false;
- if let Some(first_channels) = first_hop_targets.get(&ordered_hops.last().unwrap().0.node_id) {
+ let target = ordered_hops.last().unwrap().0.candidate.target().unwrap_or(maybe_dummy_payee_node_id);
+ if let Some(first_channels) = first_hop_targets.get(&target) {
for details in first_channels {
- if let Some(scid) = ordered_hops.last().unwrap().0.candidate.short_channel_id() {
- if details.get_outbound_payment_scid().unwrap() == scid {
+ if let CandidateRouteHop::FirstHop(FirstHopCandidate { details: last_hop_details, .. })
+ = ordered_hops.last().unwrap().0.candidate
+ {
+ if details.get_outbound_payment_scid() == last_hop_details.get_outbound_payment_scid() {
ordered_hops.last_mut().unwrap().1 = details.counterparty.features.to_context();
features_set = true;
break;
}
}
if !features_set {
- if let Some(node) = network_nodes.get(&ordered_hops.last().unwrap().0.node_id) {
+ if let Some(node) = network_nodes.get(&target) {
if let Some(node_info) = node.announcement_info.as_ref() {
ordered_hops.last_mut().unwrap().1 = node_info.features.clone();
} else {
}
}
- // Means we succesfully traversed from the payer to the payee, now
+ // Means we successfully traversed from the payer to the payee, now
// save this path for the payment route. Also, update the liquidity
// remaining on the used hops, so that we take them into account
// while looking for more paths.
- if ordered_hops.last().unwrap().0.node_id == maybe_dummy_payee_node_id {
+ if target == maybe_dummy_payee_node_id {
break 'path_walk;
}
- new_entry = match dist.remove(&ordered_hops.last().unwrap().0.node_id) {
+ new_entry = match dist.remove(&target) {
Some(payment_hop) => payment_hop,
// We can't arrive at None because, if we ever add an entry to targets,
// we also fill in the entry in dist (see add_entry!).
// Remember that we used these channels so that we don't rely
// on the same liquidity in future paths.
let mut prevented_redundant_path_selection = false;
- let prev_hop_iter = core::iter::once(&our_node_id)
- .chain(payment_path.hops.iter().map(|(hop, _)| &hop.node_id));
- for (prev_hop, (hop, _)) in prev_hop_iter.zip(payment_path.hops.iter()) {
+ for (hop, _) in payment_path.hops.iter() {
let spent_on_hop_msat = value_contribution_msat + hop.next_hops_fee_msat;
let used_liquidity_msat = used_liquidities
- .entry(hop.candidate.id(*prev_hop < hop.node_id))
+ .entry(hop.candidate.id())
.and_modify(|used_liquidity_msat| *used_liquidity_msat += spent_on_hop_msat)
.or_insert(spent_on_hop_msat);
let hop_capacity = hop.candidate.effective_capacity();
log_trace!(logger,
"Disabling route candidate {} for future path building iterations to avoid duplicates.",
LoggedCandidateHop(victim_candidate));
- *used_liquidities.entry(victim_candidate.id(false)).or_default() = exhausted;
- *used_liquidities.entry(victim_candidate.id(true)).or_default() = exhausted;
+ if let Some(scid) = victim_candidate.short_channel_id() {
+ *used_liquidities.entry(CandidateHopId::Clear((scid, false))).or_default() = exhausted;
+ *used_liquidities.entry(CandidateHopId::Clear((scid, true))).or_default() = exhausted;
+ }
}
// Track the total amount all our collected paths allow to send so that we know
match network_nodes.get(&node_id) {
None => {},
Some(node) => {
- add_entries_to_cheapest_to_target_node!(node, node_id, lowest_fee_to_node,
- value_contribution_msat, path_htlc_minimum_msat, path_penalty_msat,
+ add_entries_to_cheapest_to_target_node!(node, node_id,
+ value_contribution_msat,
total_cltv_delta, path_length_to_node);
},
}
selected_route.sort_unstable_by_key(|path| {
let mut key = [CandidateHopId::Clear((42, true)) ; MAX_PATH_LENGTH_ESTIMATE as usize];
debug_assert!(path.hops.len() <= key.len());
- for (scid, key) in path.hops.iter() .map(|h| h.0.candidate.id(true)).zip(key.iter_mut()) {
+ for (scid, key) in path.hops.iter() .map(|h| h.0.candidate.id()).zip(key.iter_mut()) {
*key = scid;
}
key
});
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.id(true), h.0.node_id)),
- selected_route[idx + 1].hops.iter().map(|h| (h.0.candidate.id(true), h.0.node_id))) {
+ if iter_equal(selected_route[idx ].hops.iter().map(|h| (h.0.candidate.id(), h.0.candidate.target())),
+ selected_route[idx + 1].hops.iter().map(|h| (h.0.candidate.id(), h.0.candidate.target()))) {
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);
let mut paths = Vec::new();
for payment_path in selected_route {
let mut hops = Vec::with_capacity(payment_path.hops.len());
- let mut prev_hop_node_id = our_node_id;
for (hop, node_features) in payment_path.hops.iter()
.filter(|(h, _)| h.candidate.short_channel_id().is_some())
{
- let maybe_announced_channel = if let CandidateRouteHop::PublicHop { .. } = hop.candidate {
+ let target = hop.candidate.target().expect("target is defined when short_channel_id is defined");
+ let maybe_announced_channel = if let CandidateRouteHop::PublicHop(_) = hop.candidate {
// If we sourced the hop from the graph we're sure the target node is announced.
true
- } else if let CandidateRouteHop::FirstHop { details } = hop.candidate {
+ } else if let CandidateRouteHop::FirstHop(first_hop) = &hop.candidate {
// If this is a first hop we also know if it's announced.
- details.is_public
+ first_hop.details.is_public
} else {
// If we sourced it any other way, we double-check the network graph to see if
// there are announced channels between the endpoints. If so, the hop might be
// referring to any of the announced channels, as its `short_channel_id` might be
// an alias, in which case we don't take any chances here.
- network_graph.node(&hop.node_id).map_or(false, |hop_node|
+ network_graph.node(&target).map_or(false, |hop_node|
hop_node.channels.iter().any(|scid| network_graph.channel(*scid)
- .map_or(false, |c| c.as_directed_from(&prev_hop_node_id).is_some()))
+ .map_or(false, |c| c.as_directed_from(&hop.candidate.source()).is_some()))
)
};
hops.push(RouteHop {
- pubkey: PublicKey::from_slice(hop.node_id.as_slice()).map_err(|_| LightningError{err: format!("Public key {:?} is invalid", &hop.node_id), action: ErrorAction::IgnoreAndLog(Level::Trace)})?,
+ pubkey: PublicKey::from_slice(target.as_slice()).map_err(|_| LightningError{err: format!("Public key {:?} is invalid", &target), action: ErrorAction::IgnoreAndLog(Level::Trace)})?,
node_features: node_features.clone(),
short_channel_id: hop.candidate.short_channel_id().unwrap(),
channel_features: hop.candidate.features(),
cltv_expiry_delta: hop.candidate.cltv_expiry_delta(),
maybe_announced_channel,
});
-
- prev_hop_node_id = hop.node_id;
}
let mut final_cltv_delta = final_cltv_expiry_delta;
let blinded_tail = payment_path.hops.last().and_then(|(h, _)| {
impl ScoreLookUp for HopScorer {
type ScoreParams = ();
- fn channel_penalty_msat(&self, _short_channel_id: u64, source: &NodeId, target: &NodeId,
+ fn channel_penalty_msat(&self, candidate: &CandidateRouteHop,
_usage: ChannelUsage, _score_params: &Self::ScoreParams) -> u64
{
let mut cur_id = self.our_node_id;
for i in 0..self.hop_ids.len() {
if let Some(next_id) = self.hop_ids[i] {
- if cur_id == *source && next_id == *target {
+ if cur_id == candidate.source() && Some(next_id) == candidate.target() {
return 0;
}
cur_id = next_id;
use crate::routing::utxo::UtxoResult;
use crate::routing::router::{get_route, build_route_from_hops_internal, add_random_cltv_offset, default_node_features,
BlindedTail, InFlightHtlcs, Path, PaymentParameters, Route, RouteHint, RouteHintHop, RouteHop, RoutingFees,
- DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA, MAX_PATH_LENGTH_ESTIMATE, RouteParameters};
+ DEFAULT_MAX_TOTAL_CLTV_EXPIRY_DELTA, MAX_PATH_LENGTH_ESTIMATE, RouteParameters, CandidateRouteHop, PublicHopCandidate};
use crate::routing::scoring::{ChannelUsage, FixedPenaltyScorer, ScoreLookUp, ProbabilisticScorer, ProbabilisticScoringFeeParameters, ProbabilisticScoringDecayParameters};
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::ChannelId;
- use crate::ln::features::{BlindedHopFeatures, Bolt12InvoiceFeatures, ChannelFeatures, InitFeatures, NodeFeatures};
+ use crate::ln::features::{BlindedHopFeatures, 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;
+ use crate::crypto::chacha20::ChaCha20;
use crate::util::ser::{Readable, Writeable};
#[cfg(c_bindings)]
use crate::util::ser::Writer;
use bitcoin::hashes::Hash;
use bitcoin::network::constants::Network;
- use bitcoin::blockdata::constants::genesis_block;
+ use bitcoin::blockdata::constants::ChainHash;
use bitcoin::blockdata::script::Builder;
use bitcoin::blockdata::opcodes;
use bitcoin::blockdata::transaction::TxOut;
-
- use hex;
-
+ use bitcoin::hashes::hex::FromHex;
use bitcoin::secp256k1::{PublicKey,SecretKey};
use bitcoin::secp256k1::Secp256k1;
// Disable other paths
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2, // to disable
// Check against amount_to_transfer_over_msat.
// Set minimal HTLC of 200_000_000 msat.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 3,
flags: 0,
// Second hop only allows to forward 199_999_999 at most, thus not allowing the first hop to
// be used.
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 3,
flags: 0,
// Lift the restriction on the first hop.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 4,
flags: 0,
let (secp_ctx, network_graph, gossip_sync, _, logger) = build_graph();
let (our_privkey, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
let config = UserConfig::default();
- let payment_params = PaymentParameters::from_node_id(nodes[2], 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let payment_params = PaymentParameters::from_node_id(nodes[2], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
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();
// One path allows transferring 35-40 sats, another one also allows 35-40 sats.
// Thus, they can't send 60 without overpaying.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 3,
flags: 0,
// Make 0 fee.
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
// Disable other paths
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 3,
flags: 2, // to disable
// Now, test that if there are 2 paths, a "cheaper" by fee path wouldn't be prioritized
// while taking even more fee to match htlc_minimum_msat.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 4,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 3,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 4,
flags: 0,
let (secp_ctx, network_graph, gossip_sync, _, logger) = build_graph();
let (_, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
let config = UserConfig::default();
- let payment_params = PaymentParameters::from_node_id(nodes[2], 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let payment_params = PaymentParameters::from_node_id(nodes[2], 42).with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config)).unwrap();
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();
// First disable all paths except the us -> node1 -> node2 path
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 3,
// Set channel 4 to free but with a high htlc_minimum_msat
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
// // Disable channels 4 and 12 by flags=2
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 2, // to disable
// Disabling channels 6 & 7 by flags=2
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2, // to disable
let (secp_ctx, network_graph, gossip_sync, _, logger) = build_graph();
let (_, our_id, privkeys, nodes) = get_nodes(&secp_ctx);
- let non_announced_privkey = SecretKey::from_slice(&hex::decode(format!("{:02x}", 0xf0).repeat(32)).unwrap()[..]).unwrap();
+ let non_announced_privkey = SecretKey::from_slice(&<Vec<u8>>::from_hex(&format!("{:02x}", 0xf0).repeat(32)).unwrap()[..]).unwrap();
let non_announced_pubkey = PublicKey::from_secret_key(&secp_ctx, &non_announced_privkey);
let last_hops = multi_hop_last_hops_hint([nodes[2], non_announced_pubkey]);
// Disabling channels 6 & 7 by flags=2
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 2, // to disable
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2, // to disable
}
fn do_unannounced_path_test(last_hop_htlc_max: Option<u64>, last_hop_fee_prop: u32, outbound_capacity_msat: u64, route_val: u64) -> Result<Route, LightningError> {
- let source_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 41).repeat(32)).unwrap()[..]).unwrap());
- let middle_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 42).repeat(32)).unwrap()[..]).unwrap());
- let target_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 43).repeat(32)).unwrap()[..]).unwrap());
+ let source_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&<Vec<u8>>::from_hex(&format!("{:02}", 41).repeat(32)).unwrap()[..]).unwrap());
+ let middle_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&<Vec<u8>>::from_hex(&format!("{:02}", 42).repeat(32)).unwrap()[..]).unwrap());
+ let target_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&<Vec<u8>>::from_hex(&format!("{:02}", 43).repeat(32)).unwrap()[..]).unwrap());
// If we specify a channel to a middle hop, that overrides our local channel view and that gets used
let last_hops = RouteHint(vec![RouteHintHop {
// hints.
let route = do_unannounced_path_test(None, 1, 2000000, 1000000).unwrap();
- let middle_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 42).repeat(32)).unwrap()[..]).unwrap());
- let target_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&hex::decode(format!("{:02}", 43).repeat(32)).unwrap()[..]).unwrap());
+ let middle_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&<Vec<u8>>::from_hex(&format!("{:02}", 42).repeat(32)).unwrap()[..]).unwrap());
+ let target_node_id = PublicKey::from_secret_key(&Secp256k1::new(), &SecretKey::from_slice(&<Vec<u8>>::from_hex(&format!("{:02}", 43).repeat(32)).unwrap()[..]).unwrap());
assert_eq!(route.paths[0].hops.len(), 2);
assert_eq!(route.paths[0].hops[0].pubkey, middle_node_id);
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();
+ let payment_params = PaymentParameters::from_node_id(nodes[2], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
// We will use a simple single-path route from
// our node to node2 via node0: channels {1, 3}.
// First disable all other paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 2,
// Make the first channel (#1) very permissive,
// and we will be testing all limits on the second channel.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
// First, let's see if routing works if we have absolutely no idea about the available amount.
// In this case, it should be set to 250_000 sats.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Check that setting next_outbound_htlc_limit_msat in first_hops limits the channels.
// Disable channel #1 and use another first hop.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 3,
flags: 2,
// Enable channel #1 back.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 4,
flags: 0,
// Now let's see if routing works if we know only htlc_maximum_msat.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 3,
flags: 0,
// We can't change UTXO capacity on the fly, so we'll disable
// the existing channel and add another one with the capacity we need.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 4,
flags: 2,
add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 333);
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 333,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 333,
timestamp: 1,
flags: 1,
// Now let's see if routing chooses htlc_maximum_msat over UTXO capacity.
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 333,
timestamp: 6,
flags: 0,
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[3], 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let payment_params = PaymentParameters::from_node_id(nodes[3], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
// Path via {node7, node2, node4} is channels {12, 13, 6, 11}.
// {12, 13, 11} have the capacities of 100, {6} has a capacity of 50.
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Limit capacities
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
// Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
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();
+ .with_bolt11_features(channelmanager::provided_bolt11_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 bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
let blinded_path = BlindedPath {
introduction_node_id: nodes[2],
blinding_point: ln_test_utils::pubkey(42),
// Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Path via node7 is channels {12, 13}. Limit them to 60 and 60 sats
// (total limit 60).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
// Path via node1 is channels {2, 4}. Limit them to 200 and 180 sats
// (total capacity 180 sats).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
let random_seed_bytes = keys_manager.get_secure_random_bytes();
let config = UserConfig::default();
let payment_params = PaymentParameters::from_node_id(nodes[3], 42)
- .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
// We need a route consisting of 3 paths:
// From our node to node3 via {node0, node2}, {node7, node2, node4} and {node7, node2}.
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Path via {node0, node2} is channels {1, 3, 5}.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Capacity of 200 sats because this channel will be used by 3rd path as well.
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 2,
flags: 0,
// Add 100 sats to the capacities of {12, 13}, because these channels
// are also used for 3rd path. 100 sats for the rest. Total capacity: 100 sats.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
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[3], 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let payment_params = PaymentParameters::from_node_id(nodes[3], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
// This test checks that if we have two cheaper paths and one more expensive path,
// so that liquidity-wise any 2 of 3 combination is sufficient,
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Path via {node0, node2} is channels {1, 3, 5}.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Capacity of 200 sats because this channel will be used by 3rd path as well.
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 2,
flags: 0,
// Add 100 sats to the capacities of {12, 13}, because these channels
// are also used for 3rd path. 100 sats for the rest. Total capacity: 100 sats.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
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[3], 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let payment_params = PaymentParameters::from_node_id(nodes[3], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
// We need a route consisting of 2 paths:
// From our node to node3 via {node0, node2} and {node7, node2, node4}.
// Disable other potential paths.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 2,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 7,
timestamp: 2,
flags: 2,
// Path via {node0, node2} is channels {1, 3, 5}.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 2,
flags: 0,
// - fee for channel 6 is 150 sats
// Let's test this by enforcing these 2 conditions and removing other limits.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 11,
timestamp: 2,
flags: 0,
max_total_routing_fee_msat: Some(149_999) };
if let Err(LightningError{err, action: ErrorAction::IgnoreError}) = get_route(
&our_id, &route_params, &network_graph.read_only(), None, Arc::clone(&logger),
- &scorer, &(), &random_seed_bytes) {
+ &scorer, &Default::default(), &random_seed_bytes) {
assert_eq!(err, "Failed to find a sufficient route to the given destination");
} else { panic!(); }
}
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(PublicKey::from_slice(&[02; 33]).unwrap(), 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap()
+ let payment_params = PaymentParameters::from_node_id(PublicKey::from_slice(&[02; 33]).unwrap(), 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config)).unwrap()
.with_route_hints(vec![RouteHint(vec![RouteHintHop {
src_node_id: nodes[2],
short_channel_id: 42,
// we think we can only send up to 1 additional sat over the last-hop but refuse to as its
// under 5% of our payment amount.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0|2, // Channel disabled
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()
+ let payment_params = PaymentParameters::from_node_id(nodes[2], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap()
.with_max_channel_saturation_power_of_half(0);
// We need a route consisting of 3 paths:
// Path via node0 is channels {1, 3}. Limit them to 100 and 50 sats (total limit 50);
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 2,
flags: 0,
// Path via node7 is channels {12, 13}. Limit them to 60 and 60 sats (total limit 60);
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
// Path via node1 is channels {2, 4}. Limit them to 20 and 20 sats (total capacity 20 sats).
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[1], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[1], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(5)), 5);
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 5,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[4], &privkeys[3], ChannelFeatures::from_le_bytes(id_to_feature_flags(4)), 4);
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[3], &privkeys[2], ChannelFeatures::from_le_bytes(id_to_feature_flags(3)), 3);
update_channel(&gossip_sync, &secp_ctx, &privkeys[3], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 3,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[2], &privkeys[4], ChannelFeatures::from_le_bytes(id_to_feature_flags(2)), 2);
update_channel(&gossip_sync, &secp_ctx, &privkeys[2], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 1,
flags: 0,
add_channel(&gossip_sync, &secp_ctx, &privkeys[4], &privkeys[6], ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
update_channel(&gossip_sync, &secp_ctx, &privkeys[4], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 1,
flags: 0,
// We modify the graph to set the htlc_maximum of channel 2 to below the value we wish to
// send.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
});
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 12,
timestamp: 2,
flags: 0,
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();
+ let payment_params = PaymentParameters::from_node_id(nodes[2], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
// We modify the graph to set the htlc_minimum of channel 2 and 4 as needed - channel 2
// gets an htlc_maximum_msat of 80_000 and channel 4 an htlc_minimum_msat of 90_000. We
// then try to send 90_000.
update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 2,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
assert_eq!(route.paths[0].hops[1].short_channel_id, 13);
assert_eq!(route.paths[0].hops[1].fee_msat, 90_000);
assert_eq!(route.paths[0].hops[1].cltv_expiry_delta, 42);
- assert_eq!(route.paths[0].hops[1].node_features.le_flags(), channelmanager::provided_invoice_features(&config).le_flags());
+ assert_eq!(route.paths[0].hops[1].node_features.le_flags(), channelmanager::provided_bolt11_invoice_features(&config).le_flags());
assert_eq!(route.paths[0].hops[1].channel_features.le_flags(), &id_to_feature_flags(13));
}
}
let network_graph = NetworkGraph::new(Network::Testnet, Arc::clone(&logger));
let scorer = ln_test_utils::TestScorer::new();
let config = UserConfig::default();
- let payment_params = PaymentParameters::from_node_id(nodes[0], 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let payment_params = PaymentParameters::from_node_id(nodes[0], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
let random_seed_bytes = keys_manager.get_secure_random_bytes();
}
impl ScoreLookUp for BadChannelScorer {
type ScoreParams = ();
- fn channel_penalty_msat(&self, short_channel_id: u64, _: &NodeId, _: &NodeId, _: ChannelUsage, _score_params:&Self::ScoreParams) -> u64 {
- if short_channel_id == self.short_channel_id { u64::max_value() } else { 0 }
+ fn channel_penalty_msat(&self, candidate: &CandidateRouteHop, _: ChannelUsage, _score_params:&Self::ScoreParams) -> u64 {
+ if candidate.short_channel_id() == Some(self.short_channel_id) { u64::max_value() } else { 0 }
}
}
impl ScoreLookUp for BadNodeScorer {
type ScoreParams = ();
- fn channel_penalty_msat(&self, _: u64, _: &NodeId, target: &NodeId, _: ChannelUsage, _score_params:&Self::ScoreParams) -> u64 {
- if *target == self.node_id { u64::max_value() } else { 0 }
+ fn channel_penalty_msat(&self, candidate: &CandidateRouteHop, _: ChannelUsage, _score_params:&Self::ScoreParams) -> u64 {
+ if candidate.target() == Some(self.node_id) { u64::max_value() } else { 0 }
}
}
let route = Route {
paths: vec![Path { hops: vec![
RouteHop {
- pubkey: PublicKey::from_slice(&hex::decode("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]).unwrap(),
+ pubkey: PublicKey::from_slice(&<Vec<u8>>::from_hex("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]).unwrap(),
channel_features: ChannelFeatures::empty(), node_features: NodeFeatures::empty(),
short_channel_id: 0, fee_msat: 100, cltv_expiry_delta: 0, maybe_announced_channel: true,
},
RouteHop {
- pubkey: PublicKey::from_slice(&hex::decode("0324653eac434488002cc06bbfb7f10fe18991e35f9fe4302dbea6d2353dc0ab1c").unwrap()[..]).unwrap(),
+ pubkey: PublicKey::from_slice(&<Vec<u8>>::from_hex("0324653eac434488002cc06bbfb7f10fe18991e35f9fe4302dbea6d2353dc0ab1c").unwrap()[..]).unwrap(),
channel_features: ChannelFeatures::empty(), node_features: NodeFeatures::empty(),
short_channel_id: 0, fee_msat: 150, cltv_expiry_delta: 0, maybe_announced_channel: true,
},
RouteHop {
- pubkey: PublicKey::from_slice(&hex::decode("027f31ebc5462c1fdce1b737ecff52d37d75dea43ce11c74d25aa297165faa2007").unwrap()[..]).unwrap(),
+ pubkey: PublicKey::from_slice(&<Vec<u8>>::from_hex("027f31ebc5462c1fdce1b737ecff52d37d75dea43ce11c74d25aa297165faa2007").unwrap()[..]).unwrap(),
channel_features: ChannelFeatures::empty(), node_features: NodeFeatures::empty(),
short_channel_id: 0, fee_msat: 225, cltv_expiry_delta: 0, maybe_announced_channel: true,
},
let route = Route {
paths: vec![Path { hops: vec![
RouteHop {
- pubkey: PublicKey::from_slice(&hex::decode("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]).unwrap(),
+ pubkey: PublicKey::from_slice(&<Vec<u8>>::from_hex("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]).unwrap(),
channel_features: ChannelFeatures::empty(), node_features: NodeFeatures::empty(),
short_channel_id: 0, fee_msat: 100, cltv_expiry_delta: 0, maybe_announced_channel: true,
},
RouteHop {
- pubkey: PublicKey::from_slice(&hex::decode("0324653eac434488002cc06bbfb7f10fe18991e35f9fe4302dbea6d2353dc0ab1c").unwrap()[..]).unwrap(),
+ pubkey: PublicKey::from_slice(&<Vec<u8>>::from_hex("0324653eac434488002cc06bbfb7f10fe18991e35f9fe4302dbea6d2353dc0ab1c").unwrap()[..]).unwrap(),
channel_features: ChannelFeatures::empty(), node_features: NodeFeatures::empty(),
short_channel_id: 0, fee_msat: 150, cltv_expiry_delta: 0, maybe_announced_channel: true,
},
], blinded_tail: None }, Path { hops: vec![
RouteHop {
- pubkey: PublicKey::from_slice(&hex::decode("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]).unwrap(),
+ pubkey: PublicKey::from_slice(&<Vec<u8>>::from_hex("02eec7245d6b7d2ccb30380bfbe2a3648cd7a942653f5aa340edcea1f283686619").unwrap()[..]).unwrap(),
channel_features: ChannelFeatures::empty(), node_features: NodeFeatures::empty(),
short_channel_id: 0, fee_msat: 100, cltv_expiry_delta: 0, maybe_announced_channel: true,
},
RouteHop {
- pubkey: PublicKey::from_slice(&hex::decode("0324653eac434488002cc06bbfb7f10fe18991e35f9fe4302dbea6d2353dc0ab1c").unwrap()[..]).unwrap(),
+ pubkey: PublicKey::from_slice(&<Vec<u8>>::from_hex("0324653eac434488002cc06bbfb7f10fe18991e35f9fe4302dbea6d2353dc0ab1c").unwrap()[..]).unwrap(),
channel_features: ChannelFeatures::empty(), node_features: NodeFeatures::empty(),
short_channel_id: 0, fee_msat: 150, cltv_expiry_delta: 0, maybe_announced_channel: true,
},
// Set the fee on channel 13 to 100% to match channel 4 giving us two equivalent paths (us
// -> node 7 -> node2 and us -> node 1 -> node 2) which we should balance over.
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 4,
timestamp: 2,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[7], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 13,
timestamp: 2,
flags: 0,
});
let config = UserConfig::default();
- let payment_params = PaymentParameters::from_node_id(nodes[2], 42).with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ let payment_params = PaymentParameters::from_node_id(nodes[2], 42)
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
let keys_manager = ln_test_utils::TestKeysInterface::new(&[0u8; 32], Network::Testnet);
let random_seed_bytes = keys_manager.get_secure_random_bytes();
// 100,000 sats is less than the available liquidity on each channel, set above.
let params = ProbabilisticScoringFeeParameters::default();
let mut scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &graph, &logger);
- let features = channelmanager::provided_invoice_features(&UserConfig::default());
+ let features = channelmanager::provided_bolt11_invoice_features(&UserConfig::default());
super::bench_utils::generate_test_routes(&graph, &mut scorer, ¶ms, features, random_init_seed(), 0, 2);
}
let params = ProbabilisticScoringFeeParameters::default();
let mut scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &graph, &logger);
- let features = channelmanager::provided_invoice_features(&UserConfig::default());
+ let features = channelmanager::provided_bolt11_invoice_features(&UserConfig::default());
super::bench_utils::generate_test_routes(&graph, &mut scorer, ¶ms, features, random_init_seed(), 1_000_000, 2);
}
};
scorer_params.set_manual_penalty(&NodeId::from_pubkey(&nodes[3]), 123);
scorer_params.set_manual_penalty(&NodeId::from_pubkey(&nodes[4]), 456);
- assert_eq!(scorer.channel_penalty_msat(42, &NodeId::from_pubkey(&nodes[3]), &NodeId::from_pubkey(&nodes[4]), usage, &scorer_params), 456);
+ let network_graph = network_graph.read_only();
+ let channels = network_graph.channels();
+ let channel = channels.get(&5).unwrap();
+ let info = channel.as_directed_from(&NodeId::from_pubkey(&nodes[3])).unwrap();
+ let candidate: CandidateRouteHop = CandidateRouteHop::PublicHop(PublicHopCandidate {
+ info: info.0,
+ short_channel_id: 5,
+ });
+ assert_eq!(scorer.channel_penalty_msat(&candidate, usage, &scorer_params), 456);
// Then check we can get a normal route
let payment_params = PaymentParameters::from_node_id(nodes[10], 42);
let route_params = RouteParameters::from_payment_params_and_value(
payment_params, 100);
- let route = get_route(&our_id, &route_params, &network_graph.read_only(), None,
+ let route = get_route(&our_id, &route_params, &network_graph, None,
Arc::clone(&logger), &scorer, &scorer_params, &random_seed_bytes);
assert!(route.is_ok());
// Then check that we can't get a route if we ban an intermediate node.
scorer_params.add_banned(&NodeId::from_pubkey(&nodes[3]));
- let route = get_route(&our_id, &route_params, &network_graph.read_only(), None,
- Arc::clone(&logger), &scorer, &scorer_params, &random_seed_bytes);
+ let route = get_route(&our_id, &route_params, &network_graph, None, Arc::clone(&logger), &scorer, &scorer_params,&random_seed_bytes);
assert!(route.is_err());
// Finally make sure we can route again, when we remove the ban.
scorer_params.remove_banned(&NodeId::from_pubkey(&nodes[3]));
- let route = get_route(&our_id, &route_params, &network_graph.read_only(), None,
- Arc::clone(&logger), &scorer, &scorer_params, &random_seed_bytes);
+ let route = get_route(&our_id, &route_params, &network_graph, None, Arc::clone(&logger), &scorer, &scorer_params,&random_seed_bytes);
assert!(route.is_ok());
}
let dest_node_id = ln_test_utils::pubkey(42);
let payment_params = PaymentParameters::from_node_id(dest_node_id, 42)
.with_route_hints(vec![route_hint_1.clone()]).unwrap()
- .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
// Make sure we'll error if our route hints don't have enough liquidity according to their
// htlc_maximum_msat.
route_hint_2.0[0].short_channel_id = 43;
let payment_params = PaymentParameters::from_node_id(dest_node_id, 42)
.with_route_hints(vec![route_hint_1, route_hint_2]).unwrap()
- .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
let mut route_params = RouteParameters::from_payment_params_and_value(
payment_params, max_htlc_msat + 1);
route_params.max_total_routing_fee_msat = Some(max_htlc_msat * 2);
let dest_node_id = ln_test_utils::pubkey(44);
let payment_params = PaymentParameters::from_node_id(dest_node_id, 42)
.with_route_hints(vec![route_hint_1, route_hint_2]).unwrap()
- .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap();
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config))
+ .unwrap();
let route_params = RouteParameters::from_payment_params_and_value(
payment_params, amt_msat);
cltv_expiry_delta: 10,
features: BlindedHopFeatures::empty(),
};
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
let payment_params = PaymentParameters::blinded(vec![
(blinded_payinfo.clone(), blinded_path.clone()),
(blinded_payinfo.clone(), blinded_path.clone())])
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 bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
let blinded_path_1 = BlindedPath {
introduction_node_id: nodes[2],
blinding_point: ln_test_utils::pubkey(42),
(blinded_payinfo_2.clone(), blinded_path_2.clone()),
];
let payment_params = PaymentParameters::blinded(blinded_hints.clone())
- .with_bolt12_features(bolt12_features.clone()).unwrap();
+ .with_bolt12_features(bolt12_features).unwrap();
let mut route_params = RouteParameters::from_payment_params_and_value(payment_params, 100_000);
route_params.max_total_routing_fee_msat = Some(100_000);
add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[1],
ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 1,
flags: 0,
excess_data: Vec::new()
});
update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 1,
timestamp: 1,
flags: 1,
blinded_hints[1].0.htlc_maximum_msat = 2_8089_0861_1584_0000;
blinded_hints[1].0.cltv_expiry_delta = 0;
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
let payment_params = PaymentParameters::blinded(blinded_hints.clone())
- .with_bolt12_features(bolt12_features.clone()).unwrap();
+ .with_bolt12_features(bolt12_features).unwrap();
let netgraph = network_graph.read_only();
let route_params = RouteParameters::from_payment_params_and_value(
];
blinded_hints[1].1.introduction_node_id = nodes[6];
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
let payment_params = PaymentParameters::blinded(blinded_hints.clone())
.with_bolt12_features(bolt12_features.clone()).unwrap();
let route_params = RouteParameters::from_payment_params_and_value(
payment_params, amt_msat);
if let Err(LightningError { err, .. }) = get_route(
- &our_id, &route_params, &netgraph, None, Arc::clone(&logger), &scorer, &(), &random_seed_bytes
+ &our_id, &route_params, &netgraph, None, Arc::clone(&logger), &scorer, &Default::default(), &random_seed_bytes
) {
assert_eq!(err, "Failed to find a path to the given destination");
} else { panic!() }
blinded_hints[2].1.introduction_node_id = nodes[6];
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
let payment_params = PaymentParameters::blinded(blinded_hints.clone())
.with_bolt12_features(bolt12_features.clone()).unwrap();
let route_params = RouteParameters::from_payment_params_and_value(
payment_params, amt_msat);
if let Err(LightningError { err, .. }) = get_route(
- &our_id, &route_params, &netgraph, None, Arc::clone(&logger), &scorer, &(), &random_seed_bytes
+ &our_id, &route_params, &netgraph, None, Arc::clone(&logger), &scorer, &Default::default(), &random_seed_bytes
) {
assert_eq!(err, "Failed to find a path to the given destination");
} else { panic!() }
fn do_min_htlc_overpay_violates_max_htlc(blinded_payee: bool) {
// Test that if overpaying to meet a later hop's min_htlc and causes us to violate an earlier
// hop's max_htlc, we don't consider that candidate hop valid. Previously we would add this hop
- // to `targets` and build an invalid path with it, and subsquently hit a debug panic asserting
+ // to `targets` and build an invalid path with it, and subsequently hit a debug panic asserting
// that the used liquidity for a hop was less than its available liquidity limit.
let secp_ctx = Secp256k1::new();
let logger = Arc::new(ln_test_utils::TestLogger::new());
cltv_expiry_delta: 0,
features: BlindedHopFeatures::empty(),
};
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
PaymentParameters::blinded(vec![(blinded_payinfo, blinded_path)])
.with_bolt12_features(bolt12_features.clone()).unwrap()
} else {
PaymentParameters::from_node_id(nodes[1], 42)
.with_route_hints(vec![route_hint]).unwrap()
- .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap()
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config)).unwrap()
};
let netgraph = network_graph.read_only();
payment_params, amt_msat);
if let Err(LightningError { err, .. }) = get_route(
&our_id, &route_params, &netgraph, Some(&first_hops.iter().collect::<Vec<_>>()),
- Arc::clone(&logger), &scorer, &(), &random_seed_bytes
+ Arc::clone(&logger), &scorer, &Default::default(), &random_seed_bytes
) {
assert_eq!(err, "Failed to find a path to the given destination");
} else { panic!() }
features: BlindedHopFeatures::empty(),
}, blinded_path.clone()));
}
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
PaymentParameters::blinded(blinded_hints.clone())
.with_bolt12_features(bolt12_features.clone()).unwrap()
} else {
}
PaymentParameters::from_node_id(nodes[1], 42)
.with_route_hints(route_hints).unwrap()
- .with_bolt11_features(channelmanager::provided_invoice_features(&config)).unwrap()
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config)).unwrap()
};
let netgraph = network_graph.read_only();
let route = get_route(
&our_id, &route_params, &netgraph, Some(&first_hops.iter().collect::<Vec<_>>()),
- Arc::clone(&logger), &scorer, &(), &random_seed_bytes
+ Arc::clone(&logger), &scorer, &Default::default(), &random_seed_bytes
).unwrap();
assert_eq!(route.paths.len(), 1);
assert_eq!(route.get_total_amount(), amt_msat);
add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[6], ChannelFeatures::from_le_bytes(id_to_feature_flags(6)), 6);
update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
- chain_hash: genesis_block(Network::Testnet).header.block_hash(),
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
short_channel_id: 6,
timestamp: 1,
flags: 0,
],
})
];
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
let payment_params = PaymentParameters::blinded(blinded_hints.clone())
.with_bolt12_features(bolt12_features.clone()).unwrap();
let route_params = RouteParameters::from_payment_params_and_value(
features: BlindedHopFeatures::empty(),
}, blinded_path.clone()));
}
- let bolt12_features: Bolt12InvoiceFeatures = channelmanager::provided_invoice_features(&config).to_context();
+ let bolt12_features = channelmanager::provided_bolt12_invoice_features(&config);
PaymentParameters::blinded(blinded_hints.clone())
.with_bolt12_features(bolt12_features.clone()).unwrap()
};
assert_eq!(route.paths.len(), 1);
assert_eq!(route.get_total_amount(), amt_msat);
}
+
+ #[test]
+ fn first_hop_preferred_over_hint() {
+ // Check that if we have a first hop to a peer we'd always prefer that over a route hint
+ // they gave us, but we'd still consider all subsequent hints if they are more attractive.
+ let secp_ctx = Secp256k1::new();
+ let logger = Arc::new(ln_test_utils::TestLogger::new());
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, Arc::clone(&logger)));
+ let gossip_sync = P2PGossipSync::new(Arc::clone(&network_graph), None, Arc::clone(&logger));
+ 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 amt_msat = 1_000_000;
+ let (our_privkey, our_node_id, privkeys, nodes) = get_nodes(&secp_ctx);
+
+ add_channel(&gossip_sync, &secp_ctx, &our_privkey, &privkeys[0],
+ ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 1);
+ update_channel(&gossip_sync, &secp_ctx, &our_privkey, UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 1,
+ timestamp: 1,
+ flags: 0,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 1,
+ timestamp: 1,
+ flags: 1,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+
+ add_channel(&gossip_sync, &secp_ctx, &privkeys[0], &privkeys[1],
+ ChannelFeatures::from_le_bytes(id_to_feature_flags(1)), 2);
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[0], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 2,
+ timestamp: 2,
+ flags: 0,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+ update_channel(&gossip_sync, &secp_ctx, &privkeys[1], UnsignedChannelUpdate {
+ chain_hash: ChainHash::using_genesis_block(Network::Testnet),
+ short_channel_id: 2,
+ timestamp: 2,
+ flags: 1,
+ cltv_expiry_delta: 42,
+ htlc_minimum_msat: 1_000,
+ htlc_maximum_msat: 10_000_000,
+ fee_base_msat: 800,
+ fee_proportional_millionths: 0,
+ excess_data: Vec::new()
+ });
+
+ let dest_node_id = nodes[2];
+
+ let route_hint = RouteHint(vec![RouteHintHop {
+ src_node_id: our_node_id,
+ short_channel_id: 44,
+ fees: RoutingFees {
+ base_msat: 234,
+ proportional_millionths: 0,
+ },
+ cltv_expiry_delta: 10,
+ htlc_minimum_msat: None,
+ htlc_maximum_msat: Some(5_000_000),
+ },
+ RouteHintHop {
+ src_node_id: nodes[0],
+ short_channel_id: 45,
+ fees: RoutingFees {
+ base_msat: 123,
+ proportional_millionths: 0,
+ },
+ cltv_expiry_delta: 10,
+ htlc_minimum_msat: None,
+ htlc_maximum_msat: None,
+ }]);
+
+ let payment_params = PaymentParameters::from_node_id(dest_node_id, 42)
+ .with_route_hints(vec![route_hint]).unwrap()
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config)).unwrap();
+ let route_params = RouteParameters::from_payment_params_and_value(
+ payment_params, amt_msat);
+
+ // First create an insufficient first hop for channel with SCID 1 and check we'd use the
+ // route hint.
+ let first_hop = get_channel_details(Some(1), nodes[0],
+ channelmanager::provided_init_features(&config), 999_999);
+ let first_hops = vec![first_hop];
+
+ let route = get_route(&our_node_id, &route_params.clone(), &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes).unwrap();
+ assert_eq!(route.paths.len(), 1);
+ assert_eq!(route.get_total_amount(), amt_msat);
+ assert_eq!(route.paths[0].hops.len(), 2);
+ assert_eq!(route.paths[0].hops[0].short_channel_id, 44);
+ assert_eq!(route.paths[0].hops[1].short_channel_id, 45);
+ assert_eq!(route.get_total_fees(), 123);
+
+ // Now check we would trust our first hop info, i.e., fail if we detect the route hint is
+ // for a first hop channel.
+ let mut first_hop = get_channel_details(Some(1), nodes[0], channelmanager::provided_init_features(&config), 999_999);
+ first_hop.outbound_scid_alias = Some(44);
+ let first_hops = vec![first_hop];
+
+ let route_res = get_route(&our_node_id, &route_params.clone(), &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes);
+ assert!(route_res.is_err());
+
+ // Finally check we'd use the first hop if has sufficient outbound capacity. But we'd stil
+ // use the cheaper second hop of the route hint.
+ let mut first_hop = get_channel_details(Some(1), nodes[0],
+ channelmanager::provided_init_features(&config), 10_000_000);
+ first_hop.outbound_scid_alias = Some(44);
+ let first_hops = vec![first_hop];
+
+ let route = get_route(&our_node_id, &route_params.clone(), &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes).unwrap();
+ assert_eq!(route.paths.len(), 1);
+ assert_eq!(route.get_total_amount(), amt_msat);
+ assert_eq!(route.paths[0].hops.len(), 2);
+ assert_eq!(route.paths[0].hops[0].short_channel_id, 1);
+ assert_eq!(route.paths[0].hops[1].short_channel_id, 45);
+ assert_eq!(route.get_total_fees(), 123);
+ }
+
+ #[test]
+ fn allow_us_being_first_hint() {
+ // Check that we consider a route hint even if we are the src of the first hop.
+ let secp_ctx = Secp256k1::new();
+ let logger = Arc::new(ln_test_utils::TestLogger::new());
+ let network_graph = Arc::new(NetworkGraph::new(Network::Testnet, Arc::clone(&logger)));
+ 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 (_, our_node_id, _, nodes) = get_nodes(&secp_ctx);
+
+ let amt_msat = 1_000_000;
+ let dest_node_id = nodes[1];
+
+ let first_hop = get_channel_details(Some(1), nodes[0], channelmanager::provided_init_features(&config), 10_000_000);
+ let first_hops = vec![first_hop];
+
+ let route_hint = RouteHint(vec![RouteHintHop {
+ src_node_id: our_node_id,
+ short_channel_id: 44,
+ fees: RoutingFees {
+ base_msat: 123,
+ proportional_millionths: 0,
+ },
+ cltv_expiry_delta: 10,
+ htlc_minimum_msat: None,
+ htlc_maximum_msat: None,
+ }]);
+
+ let payment_params = PaymentParameters::from_node_id(dest_node_id, 42)
+ .with_route_hints(vec![route_hint]).unwrap()
+ .with_bolt11_features(channelmanager::provided_bolt11_invoice_features(&config)).unwrap();
+
+ let route_params = RouteParameters::from_payment_params_and_value(
+ payment_params, amt_msat);
+
+
+ let route = get_route(&our_node_id, &route_params, &network_graph.read_only(),
+ Some(&first_hops.iter().collect::<Vec<_>>()), Arc::clone(&logger), &scorer,
+ &Default::default(), &random_seed_bytes).unwrap();
+
+ assert_eq!(route.paths.len(), 1);
+ assert_eq!(route.get_total_amount(), amt_msat);
+ assert_eq!(route.get_total_fees(), 0);
+ assert_eq!(route.paths[0].hops.len(), 1);
+
+ assert_eq!(route.paths[0].hops[0].short_channel_id, 44);
+ }
}
#[cfg(all(any(test, ldk_bench), not(feature = "no-std")))]
pub(crate) mod bench_utils {
use super::*;
use std::fs::File;
+ use std::time::Duration;
use bitcoin::hashes::Hash;
use bitcoin::secp256k1::{PublicKey, Secp256k1, SecretKey};
// Generate fail/success paths for a wider range of potential amounts with
// MPP enabled to give us a chance to apply penalties for more potential
// routes.
- let mpp_features = channelmanager::provided_invoice_features(&UserConfig::default());
+ let mpp_features = channelmanager::provided_bolt11_invoice_features(&UserConfig::default());
let params = PaymentParameters::from_node_id(dst, 42)
.with_bolt11_features(mpp_features).unwrap();
let route_params = RouteParameters::from_payment_params_and_value(
if let Ok(route) = route_res {
for path in route.paths {
if seed & 0x80 == 0 {
- scorer.payment_path_successful(&path);
+ scorer.payment_path_successful(&path, Duration::ZERO);
} else {
let short_channel_id = path.hops[path.hops.len() / 2].short_channel_id;
- scorer.payment_path_failed(&path, short_channel_id);
+ scorer.payment_path_failed(&path, short_channel_id, Duration::ZERO);
}
seed = seed.overflowing_mul(6364136223846793005).0.overflowing_add(1).0;
}
break;
}
- // If we couldn't find a path with a higer amount, reduce and try again.
+ // If we couldn't find a path with a higher amount, reduce and try again.
score_amt /= 100;
}
struct DummyLogger {}
impl Logger for DummyLogger {
- fn log(&self, _record: &Record) {}
+ fn log(&self, _record: Record) {}
}
pub fn generate_routes_with_zero_penalty_scorer(bench: &mut Criterion) {
let network_graph = bench_utils::read_network_graph(&logger).unwrap();
let scorer = FixedPenaltyScorer::with_penalty(0);
generate_routes(bench, &network_graph, scorer, &Default::default(),
- channelmanager::provided_invoice_features(&UserConfig::default()), 0,
+ channelmanager::provided_bolt11_invoice_features(&UserConfig::default()), 0,
"generate_mpp_routes_with_zero_penalty_scorer");
}
let params = ProbabilisticScoringFeeParameters::default();
let scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
generate_routes(bench, &network_graph, scorer, ¶ms,
- channelmanager::provided_invoice_features(&UserConfig::default()), 0,
+ channelmanager::provided_bolt11_invoice_features(&UserConfig::default()), 0,
"generate_mpp_routes_with_probabilistic_scorer");
}
let params = ProbabilisticScoringFeeParameters::default();
let scorer = ProbabilisticScorer::new(ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
generate_routes(bench, &network_graph, scorer, ¶ms,
- channelmanager::provided_invoice_features(&UserConfig::default()), 100_000_000,
+ channelmanager::provided_bolt11_invoice_features(&UserConfig::default()), 100_000_000,
"generate_large_mpp_routes_with_probabilistic_scorer");
}
let scorer = ProbabilisticScorer::new(
ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
generate_routes(bench, &network_graph, scorer, ¶ms,
- channelmanager::provided_invoice_features(&UserConfig::default()), 0,
+ channelmanager::provided_bolt11_invoice_features(&UserConfig::default()), 0,
"generate_routes_with_nonlinear_probabilistic_scorer");
}
let scorer = ProbabilisticScorer::new(
ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
generate_routes(bench, &network_graph, scorer, ¶ms,
- channelmanager::provided_invoice_features(&UserConfig::default()), 0,
+ channelmanager::provided_bolt11_invoice_features(&UserConfig::default()), 0,
"generate_mpp_routes_with_nonlinear_probabilistic_scorer");
}
let scorer = ProbabilisticScorer::new(
ProbabilisticScoringDecayParameters::default(), &network_graph, &logger);
generate_routes(bench, &network_graph, scorer, ¶ms,
- channelmanager::provided_invoice_features(&UserConfig::default()), 100_000_000,
+ channelmanager::provided_bolt11_invoice_features(&UserConfig::default()), 100_000_000,
"generate_large_mpp_routes_with_nonlinear_probabilistic_scorer");
}