perf: pack withdrawal queue bounds into one slot#693
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legion2002
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Jul 20, 2026
| function withdrawalQueueTail() external view returns (uint256); | ||
| function withdrawalQueueHead() external view returns (uint64); | ||
| function withdrawalQueueTail() external view returns (uint64); | ||
| function withdrawalQueueBounds() external view returns (uint64 head, uint64 tail); |
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do we need this new fn? withdrawalQueueBounds
maybe we can just remove the individual head and tail fns?
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it is used by process_queue to retrieve both without multiple RPC calls
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but fine to drop if you think we should
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Summary
headandtailasuint64values in one storage slotwithdrawalQueueBounds()so the sequencer reads both values with oneeth_callDeployment
This intentionally does not preserve the previous ZonePortal storage layout. Deploy a fresh ZoneFactory/ZonePortal before updating sequencers.
Validation
forge test— 555 passedcargo test -p zone-sequencer --lib— 45 passed