X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;ds=sidebyside;f=fuzz%2Fsrc%2Ffull_stack.rs;fp=fuzz%2Fsrc%2Ffull_stack.rs;h=f0f8054624d5084fca0fb69f4d3e46596aee5b52;hb=28c9b56113ff1ebb1b505a2c979c55c1626aa06b;hp=fa0211aa280bc0794fa37f67d53332b1793d3129;hpb=4ebc8e5284959fb463ff801cccdaed0dfd2eb3e1;p=rust-lightning

diff --git a/fuzz/src/full_stack.rs b/fuzz/src/full_stack.rs
index fa0211aa..f0f80546 100644
--- 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()
 	}