From dbe6c7c3de050db41f5837a01178299c464ec81d Mon Sep 17 00:00:00 2001
From: david barinas <david.barinas.dev@gmail.com>
Date: Wed, 1 May 2024 16:44:01 -0500
Subject: [PATCH] style: Add chain extensions and clean up whitespace in lib.rs
 file

---
 sube/src/lib.rs | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/sube/src/lib.rs b/sube/src/lib.rs
index 7d8bf79..3f6296e 100644
--- a/sube/src/lib.rs
+++ b/sube/src/lib.rs
@@ -197,6 +197,7 @@ async fn submit<'m, V>(
     from: &'m [u8],
     tx_data: ExtrinsicBody<V>,
     signer: impl SignerFn,
+    // add chain extensions
 ) -> Result<Response<'m>>
 where
     V: serde::Serialize + core::fmt::Debug,
@@ -263,7 +264,7 @@ where
         log::info!("tip_hex: {}", hex::encode(Compact(tip.clone()).encode()));
 
         let extra_params_hex =
-            hex::encode([Compact(era).encode(), Compact(nonce).encode(), Compact(tip).encode()].concat());
+            hex::encode([Compact(era).encode(), Compact(nonce).encode(), Compact(tip).encode(), vec![0x00u8]].concat());
 
         log::info!("extra_params_hex: {}", extra_params_hex);
         let extensions = ();
@@ -277,7 +278,7 @@ where
         //     log::info!("type_resolved: {:?}", type_resolved);
         //     log::info!("========================");
         // });
-
+        
         [
             vec![era], Compact(nonce).encode(), Compact(tip).encode(), vec![0x00u8]
         ].concat()