From aa90166c3841d5afe4974f318dca3b2c3145da60 Mon Sep 17 00:00:00 2001
From: Weixie Cui <cuiweixie@gmail.com>
Date: Wed, 6 May 2026 13:23:26 +0800
Subject: [PATCH] core/txpool/blobpool: fix GetBlobs mark blob hash filled
 before checking sidecar version

---
 core/txpool/blobpool/blobpool.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/txpool/blobpool/blobpool.go b/core/txpool/blobpool/blobpool.go
index efa41a0649..275c46d591 100644
--- a/core/txpool/blobpool/blobpool.go
+++ b/core/txpool/blobpool/blobpool.go
@@ -1502,13 +1502,13 @@ func (p *BlobPool) GetBlobs(vhashes []common.Hash, version byte) ([]*kzg4844.Blo
 			if !ok {
 				continue // non-interesting blob
 			}
-			// Mark hash as seen.
-			filled[hash] = struct{}{}
 			if sidecar.Version != version {
 				// Skip blobs with incompatible version. Note we still track the blob hash
 				// in `filled` here, ensuring that we do not resolve this tx another time.
 				continue
 			}
+			// Mark hash as seen.
+			filled[hash] = struct{}{}
 			// Get or convert the proof.
 			var pf []kzg4844.Proof
 			switch version {