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Remove is_aggregator changes

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dapplion 2024-03-23 00:04:29 +09:00
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specs/_features/eip7251/validator.md
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# Phase 0 -- Honest Validator
This is an accompanying document to [Phase 0 -- The Beacon Chain](./beacon-chain.md), which describes the expected actions of a "validator" participating in the Ethereum proof-of-stake protocol.
## Table of contents
<!-- TOC -->
<!-- START doctoc generated TOC please keep comment here to allow auto update -->
<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
- [Introduction](#introduction)
- [Beacon chain responsibilities](#beacon-chain-responsibilities)
- [Attestation aggregation](#attestation-aggregation)
- [Aggregation selection](#aggregation-selection)
<!-- END doctoc generated TOC please keep comment here to allow auto update -->
<!-- /TOC -->
## Introduction
This document represents the changes to be made in the code of an "honest validator" to implement Deneb.
## Beacon chain responsibilities
### Attestation aggregation
#### Aggregation selection
Aggregator selection is now balance based. `state` is the `BeaconState` at the previous epoch of `slot` to allow lookahead.
```python
def is_aggregator(state: BeaconState, slot: Slot, index: CommitteeIndex,
slot_signature: BLSSignature, validator: ValidatorIndex) -> bool:
committee = get_beacon_committee(state, slot, index)
committee_balance = get_total_balance(state, set(committee))
balance = state.balances[validator]
modulo = max(1, committee_balance // balance // TARGET_AGGREGATORS_PER_COMMITTEE)
return bytes_to_uint64(hash(slot_signature)[0:8]) % modulo == 0
```