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Merge pull request #984 from terenc3t/patch-66 

Update committee helper comments
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Danny Ryan 2019-04-23 09:21:43 -06:00 committed by GitHub
parent 77af610185 5619e7df9c
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specs/core/0_beacon-chain.md
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@ -797,7 +797,7 @@ def get_split_offset(list_size: int, chunks: int, index: int) -> int:
```python ```python
def get_epoch_committee_count(state: BeaconState, epoch: Epoch) -> int: def get_epoch_committee_count(state: BeaconState, epoch: Epoch) -> int:
""" """
Return the number of committees in one epoch. Return the number of committees at ``epoch``.
""" """
active_validators = get_active_validator_indices(state, epoch) active_validators = get_active_validator_indices(state, epoch)
return max( return max(
@ -813,6 +813,9 @@ def get_epoch_committee_count(state: BeaconState, epoch: Epoch) -> int:
```python ```python
def get_shard_delta(state: BeaconState, epoch: Epoch) -> int: def get_shard_delta(state: BeaconState, epoch: Epoch) -> int:
"""
Return the number of shards to increment ``state.shard_shard`` during ``epoch``.
"""
return min(get_epoch_committee_count(state, epoch), SHARD_COUNT - SHARD_COUNT // SLOTS_PER_EPOCH) return min(get_epoch_committee_count(state, epoch), SHARD_COUNT - SHARD_COUNT // SLOTS_PER_EPOCH)
``` ```