Use TaggedHash in merkle::verify_signature

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

diff --git a/lightning/src/offers/merkle.rs b/lightning/src/offers/merkle.rs
index b3867bf6f65a0d55d2b6969e32172f0919618249..7390b58fef8ef780a68f58aa50438dcbe1979d71 100644 (file)
--- a/lightning/src/offers/merkle.rs
+++ b/lightning/src/offers/merkle.rs
@@ -88,17 +88,15 @@ where
        Ok(signature)
 }
 
-/// Verifies the signature with a pubkey over the given bytes using a tagged hash as the message
+/// Verifies the signature with a pubkey over the given message using a tagged hash as the message
 /// digest.
-///
-/// Panics if `bytes` is not a well-formed TLV stream containing at least one TLV record.
 pub(super) fn verify_signature(
-       signature: &Signature, tag: &str, bytes: &[u8], pubkey: PublicKey,
+       signature: &Signature, message: TaggedHash, pubkey: PublicKey,
 ) -> Result<(), secp256k1::Error> {
-       let digest = message_digest(tag, bytes);
+       let digest = message.as_digest();
        let pubkey = pubkey.into();
        let secp_ctx = Secp256k1::verification_only();
-       secp_ctx.verify_schnorr(signature, &digest, &pubkey)
+       secp_ctx.verify_schnorr(signature, digest, &pubkey)
 }
 
 pub(super) fn message_digest(tag: &str, bytes: &[u8]) -> Message {