From 6ccd0aa2fb20b838444cbf974f72633665df8774 Mon Sep 17 00:00:00 2001
From: Kasey White <kwhitemsg@gmail.com>
Date: Mon, 19 Sep 2022 14:59:49 -0400
Subject: [PATCH] adding better debug for wrong term tag in uplc

---
 crates/uplc/src/flat.rs | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/crates/uplc/src/flat.rs b/crates/uplc/src/flat.rs
index dd2f800b..dd766547 100644
--- a/crates/uplc/src/flat.rs
+++ b/crates/uplc/src/flat.rs
@@ -190,8 +190,10 @@ where
             6 => Ok(Term::Error),
             7 => Ok(Term::Builtin(DefaultFunction::decode(d)?)),
             x => Err(de::Error::Message(format!(
-                "Unknown term constructor tag: {}",
-                x
+                "Unknown term constructor tag: {} and buffer position is {} and buffer length is {}",
+                x,
+                d.buffer.len() - d.pos,
+                d.buffer.len()
             ))),
         }
     }