X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Fevents%2Fmod.rs;h=4e04a3634e10d3f9152ae6d074bb19365bf989a4;hb=98ed285b9cabf19097665aef0e9d8d1688ba5b39;hp=adbc7faf7e0f9d0acf1fa3349495733669d41193;hpb=a0183d7ef1bdf95eb009b1c85849585e3faa0217;p=rust-lightning

diff --git a/lightning/src/events/mod.rs b/lightning/src/events/mod.rs
index adbc7faf..4e04a363 100644
--- a/lightning/src/events/mod.rs
+++ b/lightning/src/events/mod.rs
@@ -72,6 +72,16 @@ pub enum PaymentPurpose {
 	SpontaneousPayment(PaymentPreimage),
 }
 
+impl PaymentPurpose {
+	/// Returns the preimage for this payment, if it is known.
+	pub fn preimage(&self) -> Option<PaymentPreimage> {
+		match self {
+			PaymentPurpose::InvoicePayment { payment_preimage, .. } => *payment_preimage,
+			PaymentPurpose::SpontaneousPayment(preimage) => Some(*preimage),
+		}
+	}
+}
+
 impl_writeable_tlv_based_enum!(PaymentPurpose,
 	(0, InvoicePayment) => {
 		(0, payment_preimage, option),