core/txpool/blobpool: avoid possible zero index panic (ethereum#30430)

This situation(`len(txs) == 0`) rarely occurs, but if it does, it will panic. --------- Co-authored-by: Martin HS <[email protected]>
RainbowScientist5 · Sep 14, 2024 · 0dd7e82 · 0dd7e82
1 parent 07b5a04
commit 0dd7e82
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/txpool/blobpool/blobpool.go b/core/txpool/blobpool/blobpool.go
@@ -566,7 +566,7 @@ func (p *BlobPool) recheck(addr common.Address, inclusions map[common.Hash]uint6
 			ids    []uint64
 			nonces []uint64
 		)
-		for txs[0].nonce < next {
+		for len(txs) > 0 && txs[0].nonce < next {
 			ids = append(ids, txs[0].id)
 			nonces = append(nonces, txs[0].nonce)