Fix some naming inconsistency and typos
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@ -67,8 +67,8 @@
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- [`split`](#split)
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- [`get_committee_count_per_slot`](#get_committee_count_per_slot)
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- [`get_shuffling`](#get_shuffling)
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- [`get_previous_epoch_committees_per_slot`](#get_previous_epoch_committees_per_slot)
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- [`get_current_epoch_committees_per_slot`](#get_current_epoch_committees_per_slot)
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- [`get_previous_epoch_committee_count_per_slot`](#get_previous_epoch_committee_count_per_slot)
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- [`get_current_epoch_committee_count_per_slot`](#get_current_epoch_committee_count_per_slot)
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- [`get_shard_committees_at_slot`](#get_shard_committees_at_slot)
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- [`get_block_root`](#get_block_root)
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- [`get_randao_mix`](#get_randao_mix)
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@ -877,7 +877,7 @@ def get_committee_count_per_slot(active_validator_count: int) -> int:
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#### `get_shuffling`
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```python
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def get_shuffling(randao_mix: Hash32,
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def get_shuffling(seed: Hash32,
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validators: List[ValidatorRecord],
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slot: int) -> List[List[int]]
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"""
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@ -905,19 +905,25 @@ def get_shuffling(randao_mix: Hash32,
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**Note**: this definition and the next few definitions make heavy use of repetitive computing. Production implementations are expected to appropriately use caching/memoization to avoid redoing work.
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#### `get_previous_epoch_committees_per_slot`
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#### `get_previous_epoch_committee_count_per_slot`
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```python
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def get_previous_epoch_committee_count_per_slot(state: BeaconState) -> int:
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previous_active_validators = get_active_validator_indices(state.validator_registry, state.previous_epoch_calculation_slot)
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previous_active_validators = get_active_validator_indices(
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state.validator_registry,
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state.previous_epoch_calculation_slot,
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)
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return get_committee_count_per_slot(len(previous_active_validators))
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```
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#### `get_current_epoch_committees_per_slot`
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#### `get_current_epoch_committee_count_per_slot`
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```python
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def get_current_epoch_committee_count_per_slot(state: BeaconState) -> int:
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current_active_validators = get_active_validator_indices(validators, state.current_epoch_calculation_slot)
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current_active_validators = get_active_validator_indices(
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state.validator_registry,
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state.current_epoch_calculation_slot,
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)
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return get_committee_count_per_slot(len(current_active_validators))
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```
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@ -934,20 +940,27 @@ def get_shard_committees_at_slot(state: BeaconState,
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offset = slot % EPOCH_LENGTH
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if slot < earliest_slot + EPOCH_LENGTH:
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committees_per_slot = get_previous_epoch_committees_per_slot(state)
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shuffling = get_shuffling(state.previous_epoch_randao_mix,
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state.validator_registry,
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state.previous_epoch_calculation_slot)
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committees_per_slot = get_previous_epoch_committee_count_per_slot(state)
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shuffling = get_shuffling(
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state.previous_epoch_randao_mix,
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state.validator_registry,
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state.previous_epoch_calculation_slot,
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)
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slot_start_shard = (state.previous_epoch_start_shard + committees_per_slot * offset) % SHARD_COUNT
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else:
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committees_per_slot = get_current_epoch_committees_per_slot(state)
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shuffling = get_shuffling(state.current_epoch_randao_mix,
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state.validator_registry,
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state.current_epoch_calculation_slot)
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committees_per_slot = get_current_epoch_committee_count_per_slot(state)
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shuffling = get_shuffling(
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state.current_epoch_randao_mix,
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state.validator_registry,
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state.current_epoch_calculation_slot,
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)
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slot_start_shard = (state.current_epoch_start_shard + committees_per_slot * offset) % SHARD_COUNT
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return [
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(shuffling[committees_per_slot * offset + i], (slot_start_shard + i) % SHARD_COUNT)
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(
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shuffling[committees_per_slot * offset + i],
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(slot_start_shard + i) % SHARD_COUNT,
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)
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for i in range(committees_per_slot)
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]
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```
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@ -1710,7 +1723,7 @@ def process_ejections(state: BeaconState) -> None:
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If the following are satisfied:
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* `state.finalized_slot > state.validator_registry_latest_change_slot`
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* `state.latest_crosslinks[shard].slot > state.validator_registry_latest_change_slot` for every shard number `shard` in `[(state.current_epoch_start_shard + i) % SHARD_COUNT for i in range(get_current_epoch_committees_per_slot(state) * EPOCH_LENGTH)]` (that is, for every shard in the current committees)
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* `state.latest_crosslinks[shard].slot > state.validator_registry_latest_change_slot` for every shard number `shard` in `[(state.current_epoch_start_shard + i) % SHARD_COUNT for i in range(get_current_epoch_committee_count_per_slot(state) * EPOCH_LENGTH)]` (that is, for every shard in the current committees)
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update the validator registry and associated fields by running
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@ -1764,7 +1777,7 @@ and perform the following updates:
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* Set `state.previous_epoch_start_shard = state.current_epoch_start_shard`
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* Set `state.previous_epoch_randao_mix = state.current_epoch_randao_mix`
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* Set `state.current_epoch_calculation_slot = state.slot`
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* Set `state.current_epoch_start_shard = (state.current_epoch_start_shard + get_current_epoch_committees_per_slot(state) * EPOCH_LENGTH) % SHARD_COUNT`
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* Set `state.current_epoch_start_shard = (state.current_epoch_start_shard + get_current_epoch_committee_count_per_slot(state) * EPOCH_LENGTH) % SHARD_COUNT`
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* Set `state.current_epoch_randao_mix = get_randao_mix(state, state.current_epoch_calculation_slot - SEED_LOOKAHEAD)`
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If a validator registry update does _not_ happen do the following:
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