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Expand DefaultRouter's privacy docs

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DefaultRouter::create_blinded_payment_paths may creat a one-hop blinded
path with the recipient as the introduction node. Update the privacy
section of DefaultRouter's docs to indicate this as is done in the docs
for DefaultMessageRouter.
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Jeffrey Czyz 2024-09-18 12:06:26 -05:00
parent 04c51b380d
commit bde331fe94
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lightning/src/routing/router.rs
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@ -45,6 +45,11 @@ pub use lightning_types::routing::{RouteHint, RouteHintHop};
///
/// # Privacy
///
/// Creating [`BlindedPaymentPath`]s may affect privacy since, if a suitable path cannot be found,
/// it will create a one-hop path using the recipient as the introduction node if it is a announced
/// node. Otherwise, there is no way to find a path to the introduction node in order to send a
/// payment, and thus an `Err` is returned.
///
/// Implements [`MessageRouter`] by delegating to [`DefaultMessageRouter`]. See those docs for
/// privacy implications.
pub struct DefaultRouter<G: Deref<Target = NetworkGraph<L>>, L: Deref, ES: Deref, S: Deref, SP: Sized, Sc: ScoreLookUp<ScoreParams = SP>> where