X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=lightning%2Fsrc%2Foffers%2Frefund.rs;h=bee6cc7f5f61ddd39a89744bf33f9d6bc8ea66f5;hb=e0a0add9fe0b239f8a5176ab62e7ba3cb4f541ca;hp=e5d8e78f0794e08c7dee1fe8e994bacb9ab14cd2;hpb=f779bc066fe9a0da409502cd0c4655ba71c50a93;p=rust-lightning

diff --git a/lightning/src/offers/refund.rs b/lightning/src/offers/refund.rs
index e5d8e78f..bee6cc7f 100644
--- a/lightning/src/offers/refund.rs
+++ b/lightning/src/offers/refund.rs
@@ -301,7 +301,11 @@ impl Refund {
 	/// Creates an [`Invoice`] for the refund with the given required fields.
 	///
 	/// Unless [`InvoiceBuilder::relative_expiry`] is set, the invoice will expire two hours after
-	/// `created_at`. The caller is expected to remember the preimage of `payment_hash` in order to
+	/// calling this method in `std` builds. For `no-std` builds, a final [`Duration`] parameter
+	/// must be given, which is used to set [`Invoice::created_at`] since [`std::time::SystemTime`]
+	/// is not available.
+	///
+	/// The caller is expected to remember the preimage of `payment_hash` in order to
 	/// claim a payment for the invoice.
 	///
 	/// The `signing_pubkey` is required to sign the invoice since refunds are not in response to an
@@ -313,14 +317,22 @@ impl Refund {
 	/// Errors if the request contains unknown required features.
 	///
 	/// [`Invoice`]: crate::offers::invoice::Invoice
+	/// [`Invoice::created_at`]: crate::offers::invoice::Invoice::created_at
 	pub fn respond_with(
-		&self, payment_paths: Vec<(BlindedPath, BlindedPayInfo)>, created_at: Duration,
-		payment_hash: PaymentHash, signing_pubkey: PublicKey
+		&self, payment_paths: Vec<(BlindedPath, BlindedPayInfo)>, payment_hash: PaymentHash,
+		signing_pubkey: PublicKey,
+		#[cfg(any(test, not(feature = "std")))]
+		created_at: Duration
 	) -> Result<InvoiceBuilder, SemanticError> {
 		if self.features().requires_unknown_bits() {
 			return Err(SemanticError::UnknownRequiredFeatures);
 		}
 
+		#[cfg(all(not(test), feature = "std"))]
+		let created_at = std::time::SystemTime::now()
+			.duration_since(std::time::SystemTime::UNIX_EPOCH)
+			.expect("SystemTime::now() should come after SystemTime::UNIX_EPOCH");
+
 		InvoiceBuilder::for_refund(self, payment_paths, created_at, payment_hash, signing_pubkey)
 	}