+/// The context of an inbound payment, which is included in a [`BlindedPath`] via [`ReceiveTlvs`]
+/// and surfaced in [`PaymentPurpose`].
+///
+/// [`BlindedPath`]: crate::blinded_path::BlindedPath
+/// [`PaymentPurpose`]: crate::events::PaymentPurpose
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub enum PaymentContext {
+ /// The payment context was unknown.
+ Unknown(UnknownPaymentContext),
+}
+
+/// An unknown payment context.
+#[derive(Clone, Debug, Eq, PartialEq)]
+pub struct UnknownPaymentContext(());
+
+impl PaymentContext {
+ pub(crate) fn unknown() -> Self {
+ PaymentContext::Unknown(UnknownPaymentContext(()))
+ }
+}
+