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eth2.0-specs
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Fix two effective_balance bugs 

* Initialisation bug: initial `effective_balance` be not greater than `MAX_EFFECTIVE_BALANCE`
* Hysteresis bug: do not prevent `effective_balance` to go from `MAX_EFFECTIVE_BALANCE - 1` to `MAX_EFFECTIVE_BALANCE`
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Justin 2019-04-26 18:46:35 +04:00 committed by GitHub
parent 2787fea5fe
commit 9dd4b2110a
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1 changed files with 3 additions and 3 deletions
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specs/core/0_beacon-chain.md
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@ -1603,10 +1603,10 @@ def process_final_updates(state: BeaconState) -> None:
state.eth1_data_votes = []
# Update effective balances with hysteresis
for index, validator in enumerate(state.validator_registry):
balance = min(state.balances[index], MAX_EFFECTIVE_BALANCE)
balance = state.balances[index]
HALF_INCREMENT = EFFECTIVE_BALANCE_INCREMENT // 2
if balance < validator.effective_balance or validator.effective_balance + 3 * HALF_INCREMENT < balance:
validator.effective_balance = balance - balance % EFFECTIVE_BALANCE_INCREMENT
validator.effective_balance = min(balance - balance % EFFECTIVE_BALANCE_INCREMENT, MAX_EFFECTIVE_BALANCE)
# Update start shard
state.latest_start_shard = (state.latest_start_shard + get_shard_delta(state, current_epoch)) % SHARD_COUNT
# Set active index root
@ -1840,7 +1840,7 @@ def process_deposit(state: BeaconState, deposit: Deposit) -> None:
activation_epoch=FAR_FUTURE_EPOCH,
exit_epoch=FAR_FUTURE_EPOCH,
withdrawable_epoch=FAR_FUTURE_EPOCH,
effective_balance=amount - amount % EFFECTIVE_BALANCE_INCREMENT
effective_balance=min(amount - amount % EFFECTIVE_BALANCE_INCREMENT, MAX_EFFECTIVE_BALANCE)
))
state.balances.append(amount)
else: