Change Proof message to byte array

src/signature.rs

@@ -69,7 +69,7 @@ impl AnkHash {
 #[derive(Debug, Clone, Copy, PartialEq, Serialize, Deserialize)]
 pub struct Proof {
     signature: Signature,
-    message: AnkHash,
+    message: [u8; 32],
     key: PublicKey,
 }
 
@@ -91,7 +91,7 @@ impl Proof {
 
         Self {
             signature: sig,
-            message: message_hash,
+            message: message_hash.to_byte_array(),
             key: keypair.public_key(),
         }
     }
@@ -101,14 +101,14 @@ impl Proof {
     }
 
     pub fn get_message(&self) -> [u8; 32] {
-        self.message.to_byte_array()
+        self.message
     }
 
     pub fn verify(&self) -> Result<()> {
         let secp = Secp256k1::verification_only();
         secp.verify_schnorr(
             &self.signature,
-            &Message::from_digest(self.message.to_byte_array()),
+            &Message::from_digest(self.message),
             &self.key.x_only_public_key().0,
         )?;