From 07f4774873cf25e062d925f43c740f6fdf8ada24 Mon Sep 17 00:00:00 2001
From: Mario Vega <marioevz@gmail.com>
Date: Wed, 4 Dec 2024 21:30:54 +0000
Subject: [PATCH] Fix zero-blob tx check in Prague

---
 src/ethereum/prague/fork.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/ethereum/prague/fork.py b/src/ethereum/prague/fork.py
index a4d8e2b8c0..141ef67acb 100644
--- a/src/ethereum/prague/fork.py
+++ b/src/ethereum/prague/fork.py
@@ -430,6 +430,10 @@ def check_transaction(
         max_gas_fee = tx.gas * tx.gas_price
 
     if isinstance(tx, BlobTransaction):
+        if not isinstance(tx.to, Address):
+            raise InvalidBlock
+        if len(tx.blob_versioned_hashes) == 0:
+            raise InvalidBlock
         for blob_versioned_hash in tx.blob_versioned_hashes:
             if blob_versioned_hash[0:1] != VERSIONED_HASH_VERSION_KZG:
                 raise InvalidBlock