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

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Merged
holiman merged 3 commits into from
Sep 14, 2024
Merged

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

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0476172
avoid posible zero index panic
mask-pp Sep 13, 2024
64cc8eb
Update core/txpool/blobpool/blobpool.go
mask-pp Sep 14, 2024
0654bc3
fix comments
mask-pp Sep 14, 2024
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3 changes: 1 addition & 2 deletions core/txpool/blobpool/blobpool.go
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Original file line number Diff line number Diff line change
Expand Up @@ -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)

Expand All @@ -578,7 +578,6 @@ func (p *BlobPool) recheck(addr common.Address, inclusions map[common.Hash]uint6
if inclusions != nil {
p.offload(addr, txs[0].nonce, txs[0].id, inclusions)
}
txs = txs[1:]
}
log.Trace("Dropping overlapped blob transactions", "from", addr, "overlapped", nonces, "ids", ids, "left", len(txs))
dropOverlappedMeter.Mark(int64(len(ids)))
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