simplify signature conversion

src/security.rs

@@ -1,9 +1,7 @@
 use ed25519_dalek::Verifier;
 use ed25519_dalek::{PublicKey, Signature};
 
-use std::convert::TryInto;
-
-/// If verification failes, it will return the `ValidationError` enum.
+/// If verification fails, it will return the `ValidationError` enum.
 pub enum ValidationError {
     /// For anything related to conversion errors
     KeyConversionError {
@@ -26,15 +24,7 @@ pub fn verify_discord_message(
     let signature_bytes = hex::decode(signature)
         .map_err(|_| ValidationError::KeyConversionError { name: "Signature" })?;
 
-    let signature_bytes =
-        signature_bytes
-            .as_slice()
-            .try_into()
-            .map_err(|_| ValidationError::KeyConversionError {
-                name: "Signature Length",
-            })?;
-
-    let signature = Signature::from_bytes(signature_bytes).map_err(|_| {
+    let signature = Signature::from_bytes(signature_bytes.as_slice()).map_err(|_| {
         ValidationError::KeyConversionError {
             name: "From bytes conversion error",
         }