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add queue eligibility helper

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Danny Ryan 2019-12-11 16:10:18 -07:00
parent 6610aeea2f
commit e117b58ae2
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1 changed files with 15 additions and 4 deletions
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19
specs/core/0_beacon-chain.md
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@ -601,6 +601,20 @@ def is_slashable_validator(validator: Validator, epoch: Epoch) -> bool:
return (not validator.slashed) and (validator.activation_epoch <= epoch < validator.withdrawable_epoch)
```
#### `is_eligible_for_activation_queue`
```python
def is_eligible_for_activation_queue(validator: Validator) -> bool:
"""
Check if ``validator`` is eligible to be placed into the activation queue.
"""
return (
validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH
and validator.effective_balance == MAX_EFFECTIVE_BALANCE
)
```
#### `is_eligible_for_activation`
```python
@ -1317,10 +1331,7 @@ def process_rewards_and_penalties(state: BeaconState) -> None:
def process_registry_updates(state: BeaconState) -> None:
# Process activation eligibility and ejections
for index, validator in enumerate(state.validators):
if (
validator.activation_eligibility_epoch == FAR_FUTURE_EPOCH
and validator.effective_balance == MAX_EFFECTIVE_BALANCE
):
if is_eligible_for_activation_queue(validator):
validator.activation_eligibility_epoch = get_current_epoch(state)
if is_active_validator(validator, get_current_epoch(state)) and validator.effective_balance <= EJECTION_BALANCE: