fix: early return for packing local deposits when EIP-6110 is applied #14697
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What type of PR is this?
Optimization
What does this PR do? Why is it needed?
As mentioned at #14698, a block producer in post-Electra doesn't have to consider the deposit tree from the eth1 logs. All deposits will be delivered directly via execution requests, so it is expected that
packDepositsAndAttestationswill always return the empty list of deposit.This PR addresses a performance issue when a block producer builds a block by returning earlier if EIP-6110 is fully enabled. For the worst case(someone spamming deposit transactions), the proposer should rebuild a deposit tree again and again from unfinalized one, delaying the propagation of the produced block. It seems finalization of deposit matters, but this PR could be the first step to ignoring the deposit cache.
Acknowledgements