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Merge pull request #714 from ethereum/hwwhww/refactor_process_slashing

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Refactor `process_slashings`
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Danny Ryan 2019-03-03 16:46:12 -07:00 committed by GitHub
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1 changed files with 6 additions and 4 deletions
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specs/core/0_beacon-chain.md
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@ -2119,12 +2119,14 @@ def process_slashings(state: BeaconState) -> None:
active_validator_indices = get_active_validator_indices(state.validator_registry, current_epoch) active_validator_indices = get_active_validator_indices(state.validator_registry, current_epoch)
total_balance = sum(get_effective_balance(state, i) for i in active_validator_indices) total_balance = sum(get_effective_balance(state, i) for i in active_validator_indices)
for index, validator in enumerate(state.validator_registry): # Compute `total_penalties`
if validator.slashed and current_epoch == validator.withdrawable_epoch - LATEST_SLASHED_EXIT_LENGTH // 2:
epoch_index = current_epoch % LATEST_SLASHED_EXIT_LENGTH epoch_index = current_epoch % LATEST_SLASHED_EXIT_LENGTH
total_at_start = state.latest_slashed_balances[(epoch_index + 1) % LATEST_SLASHED_EXIT_LENGTH] total_at_start = state.latest_slashed_balances[(epoch_index + 1) % LATEST_SLASHED_EXIT_LENGTH]
total_at_end = state.latest_slashed_balances[epoch_index] total_at_end = state.latest_slashed_balances[epoch_index]
total_penalties = total_at_end - total_at_start total_penalties = total_at_end - total_at_start
for index, validator in enumerate(state.validator_registry):
if validator.slashed and current_epoch == validator.withdrawable_epoch - LATEST_SLASHED_EXIT_LENGTH // 2:
penalty = max( penalty = max(
get_effective_balance(state, index) * min(total_penalties * 3, total_balance) // total_balance, get_effective_balance(state, index) * min(total_penalties * 3, total_balance) // total_balance,
get_effective_balance(state, index) // MIN_PENALTY_QUOTIENT get_effective_balance(state, index) // MIN_PENALTY_QUOTIENT