clean up

crates/concord/src/cords/cord05.rs

@@ -396,6 +396,12 @@ pub fn bundle_naddr(link_signer: &PublicKey) -> Result<String, InviteError> {
     .map_err(|_| InviteError::BadLink("invalid naddr"))
 }
 
+pub fn mint_token() -> Result<[u8; TOKEN_LEN], InviteError> {
+    let mut token = [0u8; TOKEN_LEN];
+    crate::fill_random(&mut token).map_err(crypto_error)?;
+    Ok(token)
+}
+
 pub fn build_invite_url(
     base: &str,
     link_signer: &PublicKey,