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fix a couple of minor shard chain bugs

This commit is contained in:
Danny Ryan 2019-09-27 10:34:19 +09:00
parent 131bf282be
commit 86ed3937dc
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2 changed files with 13 additions and 11 deletions
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22
specs/core/1_beacon-chain-misc.md
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@ -226,16 +226,18 @@ def update_period_committee(state: BeaconState) -> None:
"""
Updates period committee roots at boundary blocks.
"""
if (get_current_epoch(state) + 1) % EPOCHS_PER_SHARD_PERIOD == 0:
period = (get_current_epoch(state) + 1) // EPOCHS_PER_SHARD_PERIOD
committees = Vector[CompactCommittee, SHARD_COUNT]([
committee_to_compact_committee(
state,
get_period_committee(state, Epoch(get_current_epoch(state) + 1), Shard(shard)),
)
for shard in range(SHARD_COUNT)
])
state.period_committee_roots[period % PERIOD_COMMITTEE_ROOT_LENGTH] = hash_tree_root(committees)
if (get_current_epoch(state) + 1) % EPOCHS_PER_SHARD_PERIOD != 0:
return
period = (get_current_epoch(state) + 1) // EPOCHS_PER_SHARD_PERIOD
committees = Vector[CompactCommittee, SHARD_COUNT]([
committee_to_compact_committee(
state,
get_period_committee(state, Shard(shard), Epoch(get_current_epoch(state) + 1)),
)
for shard in range(SHARD_COUNT)
])
state.period_committee_roots[period % PERIOD_COMMITTEE_ROOT_LENGTH] = hash_tree_root(committees)
```
### Shard receipt processing

2
specs/core/1_shard-data-chains.md
View File

@ -224,7 +224,7 @@ def process_delta(beacon_state: BeaconState,
index: ValidatorIndex,
delta: Gwei,
positive: bool=True) -> None:
epoch = compute_epoch_of_shard_slot(beacon_state.slot)
epoch = compute_epoch_of_shard_slot(shard_state.slot)
older_committee = get_period_committee(beacon_state, shard_state.shard, compute_shard_period_start_epoch(epoch, 2))
newer_committee = get_period_committee(beacon_state, shard_state.shard, compute_shard_period_start_epoch(epoch, 1))
if index in older_committee: