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Use epoch of the shard_block.slot for generating seed

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Hsiao-Wei Wang 2020-06-04 05:31:53 +08:00
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specs/phase1/beacon-chain.md
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@ -538,7 +538,8 @@ def get_light_client_committee(beacon_state: BeaconState, epoch: Epoch) -> Seque
```python ```python
def get_shard_proposer_index(beacon_state: BeaconState, slot: Slot, shard: Shard) -> ValidatorIndex: def get_shard_proposer_index(beacon_state: BeaconState, slot: Slot, shard: Shard) -> ValidatorIndex:
committee = get_shard_committee(beacon_state, compute_epoch_at_slot(slot), shard) committee = get_shard_committee(beacon_state, compute_epoch_at_slot(slot), shard)
r = bytes_to_int(get_seed(beacon_state, get_current_epoch(beacon_state), DOMAIN_SHARD_COMMITTEE)[:8]) epoch = compute_epoch_at_slot(slot)
r = bytes_to_int(get_seed(beacon_state, epoch, DOMAIN_SHARD_COMMITTEE)[:8])
return committee[r % len(committee)] return committee[r % len(committee)]
``` ```