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Update 0_beacon-chain.md

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Justin 2019-04-12 13:38:58 +10:00 committed by GitHub
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specs/core/0_beacon-chain.md
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@ -1366,14 +1366,16 @@ Note: All functions in this section mutate `state`.
#### `activate_validator` #### `activate_validator`
```python ```python
def activate_validator(state: BeaconState, index: ValidatorIndex, is_genesis: bool) -> None: def activate_validator(state: BeaconState, index: ValidatorIndex) -> None:
""" """
Activate the validator of the given ``index``. Activate the validator of the given ``index``.
Note that this function mutates ``state``. Note that this function mutates ``state``.
""" """
validator = state.validator_registry[index] validator = state.validator_registry[index]
if state.slot == GENESIS_SLOT:
validator.activation_epoch = GENESIS_EPOCH if is_genesis else get_delayed_activation_exit_epoch(get_current_epoch(state)) validator.activation_epoch = GENESIS_EPOCH
else:
validator.activation_epoch = get_delayed_activation_exit_epoch(get_current_epoch(state))
``` ```
#### `initiate_validator_exit` #### `initiate_validator_exit`
@ -1583,7 +1585,7 @@ def get_genesis_beacon_state(genesis_validator_deposits: List[Deposit],
# Process genesis activations # Process genesis activations
for validator_index, _ in enumerate(state.validator_registry): for validator_index, _ in enumerate(state.validator_registry):
if get_effective_balance(state, validator_index) >= MAX_DEPOSIT_AMOUNT: if get_effective_balance(state, validator_index) >= MAX_DEPOSIT_AMOUNT:
activate_validator(state, validator_index, is_genesis=True) activate_validator(state, validator_index)
genesis_active_index_root = hash_tree_root(get_active_validator_indices(state.validator_registry, GENESIS_EPOCH)) genesis_active_index_root = hash_tree_root(get_active_validator_indices(state.validator_registry, GENESIS_EPOCH))
for index in range(LATEST_ACTIVE_INDEX_ROOTS_LENGTH): for index in range(LATEST_ACTIVE_INDEX_ROOTS_LENGTH):
@ -1865,9 +1867,8 @@ Run the following function:
```python ```python
def process_crosslinks(state: BeaconState) -> None: def process_crosslinks(state: BeaconState) -> None:
current_epoch = get_current_epoch(state) previous_epoch = get_previous_epoch(state)
previous_epoch = current_epoch if current_epoch == GENESIS_EPOCH else get_previous_epoch(state) next_epoch = get_current_epoch(state) + 1
next_epoch = current_epoch + 1
for slot in range(get_epoch_start_slot(previous_epoch), get_epoch_start_slot(next_epoch)): for slot in range(get_epoch_start_slot(previous_epoch), get_epoch_start_slot(next_epoch)):
for crosslink_committee, shard in get_crosslink_committees_at_slot(state, slot): for crosslink_committee, shard in get_crosslink_committees_at_slot(state, slot):
winning_root, participants = get_winning_root_and_participants(state, shard) winning_root, participants = get_winning_root_and_participants(state, shard)
@ -2062,7 +2063,7 @@ def update_validator_registry(state: BeaconState) -> None:
break break
# Activate validator # Activate validator
activate_validator(state, index, is_genesis=False) activate_validator(state, index)
# Exit validators within the allowable balance churn # Exit validators within the allowable balance churn
if current_epoch < state.validator_registry_update_epoch + LATEST_SLASHED_EXIT_LENGTH: if current_epoch < state.validator_registry_update_epoch + LATEST_SLASHED_EXIT_LENGTH: