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eth/protocols/eth: prevent allocation if the response is complete

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This commit is contained in:
Gary Rong 2025-12-09 13:58:38 +08:00
parent fb1ce79543
commit f5c228576a
1 changed files with 12 additions and 8 deletions
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20
eth/protocols/eth/peer.go
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@ -459,15 +459,19 @@ func (p *Peer) bufferReceiptsPacket(packet *ReceiptsPacket70, backend Backend) e
}
return nil
}
// If the request is completed, append previously collected receipts
// to the packet and remove the buffered receipts.
if len(buffer.list) > 0 {
buffer.list[len(buffer.list)-1].Append(packet.List[0])
packet.List = packet.List[1:]
}
packet.List = append(buffer.list, packet.List...)
// If the request is complete, append the previously collected receipts to the
// packet and discard the buffered receipts. Also clear the cached buffer used
// for storing partial responses.
delete(p.receiptBuffer, requestId)
// Short circuit if there is nothing cached previously
if len(buffer.list) == 0 {
return nil
}
// Aggregate the cached result into the packet
buffer.list[len(buffer.list)-1].Append(packet.List[0])
packet.List = packet.List[1:]
packet.List = append(buffer.list, packet.List...)
return nil
}