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Fix `get_genesis_beacon_state` and minor refactoring

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Hsiao-Wei Wang 2019-04-07 01:24:50 +11:00
parent 63412d9b9e
commit 5ea5746fdd
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1 changed files with 9 additions and 8 deletions
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specs/core/0_beacon-chain.md
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@ -831,11 +831,11 @@ def get_permuted_index(index: int, list_size: int, seed: Bytes32) -> int:
```python ```python
def get_split_offset(list_size: int, chunks: int, index: int) -> int: def get_split_offset(list_size: int, chunks: int, index: int) -> int:
""" """
Returns a value such that for a list L, chunk count k and index i, Returns a value such that for a list L, chunk count k and index i,
split(L, k)[i] == L[get_split_offset(len(L), k, i): get_split_offset(len(L), k, i+1)] split(L, k)[i] == L[get_split_offset(len(L), k, i): get_split_offset(len(L), k, i+1)]
""" """
return (list_size * index) // chunks return (list_size * index) // chunks
``` ```
### `get_epoch_committee_count` ### `get_epoch_committee_count`
@ -1042,7 +1042,7 @@ def verify_merkle_branch(leaf: Bytes32, proof: List[Bytes32], depth: int, index:
```python ```python
def get_crosslink_committee_for_attestation(state: BeaconState, def get_crosslink_committee_for_attestation(state: BeaconState,
attestation_data: AttestationData) -> List[ValidatorIndex]: attestation_data: AttestationData) -> List[ValidatorIndex]:
# Find the committee in the list with the desired shard # Find the committee in the list with the desired shard
crosslink_committees = get_crosslink_committees_at_slot(state, attestation_data.slot) crosslink_committees = get_crosslink_committees_at_slot(state, attestation_data.slot)
@ -1565,7 +1565,7 @@ def get_genesis_beacon_state(genesis_validator_deposits: List[Deposit],
process_deposit(state, deposit) process_deposit(state, deposit)
# Process genesis activations # Process genesis activations
for validator_index in state.validator_registry: for validator_index in range(len(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, is_genesis=True)
@ -2019,7 +2019,8 @@ Run the following function:
```python ```python
def update_registry(state: BeaconState) -> None: def update_registry(state: BeaconState) -> None:
activation_queue = sorted([validator for _, validator in enumerate(validators) if activation_queue = sorted([
validator for validator in state.validator_registry if
validator.activation_epoch == FAR_FUTURE_EPOCH and validator.activation_epoch == FAR_FUTURE_EPOCH and
validator.activation_eligibility_epoch != FAR_FUTURE_EPOCH and validator.activation_eligibility_epoch != FAR_FUTURE_EPOCH and
validator.activation_eligibility_epoch > state.finalized_epoch validator.activation_eligibility_epoch > state.finalized_epoch