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Remove mentions of current_shuffling_epoch #1140

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Jun 4, 2019
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Remove mentions of current_shuffling_epoch #1140

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5 changes: 2 additions & 3 deletions specs/validator/0_beacon-chain-validator.md
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Expand Up @@ -115,12 +115,11 @@ Once a validator has been processed and added to the beacon state's `validator_r

In normal operation, the validator is quickly activated at which point the validator is added to the shuffling and begins validation after an additional `ACTIVATION_EXIT_DELAY` epochs (25.6 minutes).

The function [`is_active_validator`](../core/0_beacon-chain.md#is_active_validator) can be used to check if a validator is active during a given shuffling epoch. Note that the `BeaconState` contains a field `current_shuffling_epoch` which dictates from which epoch the current active validators are taken. Usage is as follows:
The function [`is_active_validator`](../core/0_beacon-chain.md#is_active_validator) can be used to check if a validator is active during a given epoch. Usage is as follows:

```python
shuffling_epoch = state.current_shuffling_epoch
validator = state.validator_registry[validator_index]
is_active = is_active_validator(validator, shuffling_epoch)
is_active = is_active_validator(validator, get_current_epoch(state))
```

Once a validator is activated, the validator is assigned [responsibilities](#beacon-chain-responsibilities) until exited.
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