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feat: improve prepareNextEpoch #7171

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feat: improve prepareNextEpoch #7171

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+685 −175

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twoeths
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@twoeths twoeths commented Oct 17, 2024

Motivation

Reduce prepareNextEpoch time for lodestar

Description

  • use hashtree for batch hash implemented in ssz
    • copy the implementation of ListValidatorTreeViewDU from the ssz branch, the main thing is to compute validators' roots in batch during commit() phase
    • batch hash validators, execute HashComputation[] in batch
  • avoid memory allocation:
    • no tree creation when we modify/add validator
    • reuse balances tree

@twoeths twoeths mentioned this pull request Oct 17, 2024
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