From 736de0b567295edc665e5e1c9979e41cc219da72 Mon Sep 17 00:00:00 2001
From: Bowen <71761807+scale-chain-sub@users.noreply.github.com>
Date: Thu, 2 Jan 2025 16:50:18 -0800
Subject: [PATCH] add length check in eigenda_data.rs

---
 crates/eigenda/src/eigenda_data.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/crates/eigenda/src/eigenda_data.rs b/crates/eigenda/src/eigenda_data.rs
index 96bcad5..d525fa1 100644
--- a/crates/eigenda/src/eigenda_data.rs
+++ b/crates/eigenda/src/eigenda_data.rs
@@ -34,6 +34,9 @@ impl EigenDABlobData {
             helpers::remove_empty_byte_from_padded_bytes_unchecked(codec_data.as_ref());
         let blob_content: Bytes = blob_content.into();
 
+        if blob_content.len() < content_size as usize {
+            return Err(BlobDecodingError::InvalidLength);
+        }
         // might insert a FFT here,
 
         // take data