adding taproot serialization

liangping · Jun 26, 2024 · 09807ba · 09807ba
1 parent 92bdda3
commit 09807ba
Showing 1 changed file with 7 additions and 6 deletions.
diff --git a/frost-core/src/signature.rs b/frost-core/src/signature.rs
@@ -76,14 +76,15 @@ where
         Ok(bytes)
     }
 
-    pub fn serialize_taproot(signature: &Signature) -> Self::SignatureSerialization {
-        let R_bytes = Self::Group::serialize(signature.R());
-        let z_bytes = <Self::Group as Group>::Field::serialize(signature.z());
+    /// Converts this signature to its byte serialization for taproot.
+    pub fn serialize_taproot(&self) -> Result<Vec<u8>, Error<C>> {
+        let R_bytes = <C::Group>::serialize(&self.R)?;
+        let z_bytes = <<C::Group as Group>::Field>::serialize(&self.z);
 
         let mut bytes = [0u8; 64];
-        bytes[..32].copy_from_slice(&R_bytes[1..]);
-        bytes[32..].copy_from_slice(&z_bytes);
-        bytes
+        bytes[..32].copy_from_slice(&R_bytes.as_ref()[1..]);
+        bytes[32..].copy_from_slice(&z_bytes.as_ref());
+        Ok(bytes.to_vec())
     }
 }