//! Structs and impls for receiving messages about the network and storing the topology live here.
-pub mod network_graph;
+pub mod utxo;
+pub mod gossip;
pub mod router;
-pub mod scorer;
-
-use routing::network_graph::NodeId;
-use routing::router::RouteHop;
-
-use core::cell::{RefCell, RefMut};
-use core::ops::DerefMut;
-use sync::{Mutex, MutexGuard};
-
-/// An interface used to score payment channels for path finding.
-///
-/// Scoring is in terms of fees willing to be paid in order to avoid routing through a channel.
-pub trait Score {
- /// Returns the fee in msats willing to be paid to avoid routing `send_amt_msat` through the
- /// given channel in the direction from `source` to `target`.
- ///
- /// The channel's capacity (less any other MPP parts which are also being considered for use in
- /// the same payment) is given by `channel_capacity_msat`. It may be guessed from various
- /// sources or assumed from no data at all.
- ///
- /// For hints provided in the invoice, we assume the channel has sufficient capacity to accept
- /// the invoice's full amount, and provide a `channel_capacity_msat` of `None`. In all other
- /// cases it is set to `Some`, even if we're guessing at the channel value.
- ///
- /// Your code should be overflow-safe through a `channel_capacity_msat` of 21 million BTC.
- fn channel_penalty_msat(&self, short_channel_id: u64, send_amt_msat: u64, channel_capacity_msat: Option<u64>, source: &NodeId, target: &NodeId) -> u64;
-
- /// Handles updating channel penalties after failing to route through a channel.
- fn payment_path_failed(&mut self, path: &[&RouteHop], short_channel_id: u64);
-}
-
-/// A scorer that is accessed under a lock.
-///
-/// Needed so that calls to [`Score::channel_penalty_msat`] in [`find_route`] can be made while
-/// having shared ownership of a scorer but without requiring internal locking in [`Score`]
-/// implementations. Internal locking would be detrimental to route finding performance and could
-/// result in [`Score::channel_penalty_msat`] returning a different value for the same channel.
-///
-/// [`find_route`]: crate::routing::router::find_route
-pub trait LockableScore<'a> {
- /// The locked [`Score`] type.
- type Locked: 'a + Score;
-
- /// Returns the locked scorer.
- fn lock(&'a self) -> Self::Locked;
-}
-
-impl<'a, T: 'a + Score> LockableScore<'a> for Mutex<T> {
- type Locked = MutexGuard<'a, T>;
-
- fn lock(&'a self) -> MutexGuard<'a, T> {
- Mutex::lock(self).unwrap()
- }
-}
-
-impl<'a, T: 'a + Score> LockableScore<'a> for RefCell<T> {
- type Locked = RefMut<'a, T>;
-
- fn lock(&'a self) -> RefMut<'a, T> {
- self.borrow_mut()
- }
-}
-
-impl<S: Score, T: DerefMut<Target=S>> Score for T {
- fn channel_penalty_msat(&self, short_channel_id: u64, send_amt_msat: u64, channel_capacity_msat: Option<u64>, source: &NodeId, target: &NodeId) -> u64 {
- self.deref().channel_penalty_msat(short_channel_id, send_amt_msat, channel_capacity_msat, source, target)
- }
-
- fn payment_path_failed(&mut self, path: &[&RouteHop], short_channel_id: u64) {
- self.deref_mut().payment_path_failed(path, short_channel_id)
- }
-}
+pub mod scoring;
+mod log_approx;
+#[cfg(test)]
+mod test_utils;