Support BOLT 12 signing in c_bindings

[rust-lightning] / lightning / src / offers / test_utils.rs

diff --git a/lightning/src/offers/test_utils.rs b/lightning/src/offers/test_utils.rs
index 39122472eacb5513640f7fd78020a10ea783957d..701eb69c3e15b6a96db097859dde46d0072fa953 100644 (file)
--- a/lightning/src/offers/test_utils.rs
+++ b/lightning/src/offers/test_utils.rs
@@ -20,6 +20,10 @@ use crate::ln::features::BlindedHopFeatures;
 use crate::offers::invoice::BlindedPayInfo;
 use crate::offers::merkle::TaggedHash;
 
+pub(crate) fn fail_sign<T: AsRef<TaggedHash>>(_message: &T) -> Result<Signature, ()> {
+       Err(())
+}
+
 pub(crate) fn payer_keys() -> KeyPair {
        let secp_ctx = Secp256k1::new();
        KeyPair::from_secret_key(&secp_ctx, &SecretKey::from_slice(&[42; 32]).unwrap())