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Update 0_beacon-chain.md

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Justin 2019-04-30 10:44:29 +01:00 committed by GitHub
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specs/core/0_beacon-chain.md
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@ -1409,13 +1409,10 @@ Run the following function:
```python ```python
def process_crosslinks(state: BeaconState) -> None: def process_crosslinks(state: BeaconState) -> None:
state.previous_crosslinks = [c for c in state.current_crosslinks] state.previous_crosslinks = [c for c in state.current_crosslinks]
previous_epoch = get_previous_epoch(state)
next_epoch = get_current_epoch(state) + 1
for slot in range(get_epoch_start_slot(previous_epoch), get_epoch_start_slot(next_epoch)):
for epoch in (get_previous_epoch(state), get_current_epoch(state)): for epoch in (get_previous_epoch(state), get_current_epoch(state)):
for offset in range(get_epoch_committee_count(state, epoch)): for offset in range(get_epoch_committee_count(state, epoch)):
shard = (get_epoch_start_shard(epoch) + offset) % SHARD_COUNT shard = (get_epoch_start_shard(epoch) + offset) % SHARD_COUNT
crosslink_committee = get_crosslink_committee(state, epoch, shard) crosslink_committee = get_crosslink_committee(state, epoch, shard)
winning_crosslink, attesting_indices = get_winning_crosslink_and_attesting_indices(state, shard, epoch) winning_crosslink, attesting_indices = get_winning_crosslink_and_attesting_indices(state, shard, epoch)
if 3 * get_total_balance(state, attesting_indices) >= 2 * get_total_balance(state, crosslink_committee): if 3 * get_total_balance(state, attesting_indices) >= 2 * get_total_balance(state, crosslink_committee):
state.current_crosslinks[shard] = winning_crosslink state.current_crosslinks[shard] = winning_crosslink