Update specs/core/1_shard-data-chains.md

Co-Authored-By: Hsiao-Wei Wang <hwwang156@gmail.com>
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vbuterin 2019-07-31 17:25:55 -04:00 committed by GitHub
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@ -421,6 +421,7 @@ def shard_slot_transition(state: ShardState, beacon_state: BeaconState) -> None:
h = hash_tree_root(state) h = hash_tree_root(state)
while state.slot % 2**depth == 0: while state.slot % 2**depth == 0:
state.history_acc[depth] = h state.history_acc[depth] = h
depth += 1
# Period transitions # Period transitions
if (state.slot + 1) % (SHARD_SLOTS_PER_BEACON_SLOT * SLOTS_PER_EPOCH * EPOCHS_PER_SHARD_PERIOD) == 0: if (state.slot + 1) % (SHARD_SLOTS_PER_BEACON_SLOT * SLOTS_PER_EPOCH * EPOCHS_PER_SHARD_PERIOD) == 0: