Merge pull request #1503 from valentinewallace/2022-05-onion-msgs

[rust-lightning] / fuzz / src / full_stack.rs

diff --git a/fuzz/src/full_stack.rs b/fuzz/src/full_stack.rs
index fa0211aa280bc0794fa37f67d53332b1793d3129..f0f8054624d5084fca0fb69f4d3e46596aee5b52 100644 (file)
--- a/fuzz/src/full_stack.rs
+++ b/fuzz/src/full_stack.rs
@@ -51,6 +51,7 @@ use utils::test_logger;
 use utils::test_persister::TestPersister;
 
 use bitcoin::secp256k1::{PublicKey,SecretKey};
+use bitcoin::secp256k1::ecdh::SharedSecret;
 use bitcoin::secp256k1::ecdsa::RecoverableSignature;
 use bitcoin::secp256k1::Secp256k1;
 
@@ -269,6 +270,14 @@ impl KeysInterface for KeyProvider {
                Ok(self.node_secret.clone())
        }
 
+       fn ecdh(&self, recipient: Recipient, other_key: &PublicKey, tweak: Option<&[u8; 32]>) -> Result<SharedSecret, ()> {
+               let mut node_secret = self.get_node_secret(recipient)?;
+               if let Some(tweak) = tweak {
+                       node_secret.mul_assign(tweak).map_err(|_| ())?;
+               }
+               Ok(SharedSecret::new(other_key, &node_secret))
+       }
+
        fn get_inbound_payment_key_material(&self) -> KeyMaterial {
                self.inbound_payment_key.clone()
        }