core/txpool/blobpool: avoid possible zero index panic (#30430) (#579)

commit ethereum/go-ethereum@0dd7e82. This situation(`len(txs) == 0`) rarely occurs, but if it does, it will panic. --------- Co-authored-by: maskpp <[email protected]> Co-authored-by: Martin HS <[email protected]>
axieinfinity · Sep 20, 2024 · 75cad3d · 75cad3d
1 parent f2ae2f8
commit 75cad3d
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/core/txpool/blobpool/blobpool.go b/core/txpool/blobpool/blobpool.go
@@ -555,7 +555,7 @@ 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)