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Fix

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This commit is contained in:
Justin Drake 2019-05-01 15:07:55 +01:00
parent 9b24d06b2c
commit 7980cf3ef7
1 changed files with 6 additions and 3 deletions
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9
specs/core/0_beacon-chain.md
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@ -1285,15 +1285,18 @@ def state_transition(state: BeaconState, block: BeaconBlock) -> BeaconState:
```python
def cache_state(state: BeaconState) -> None:
# Cache state and block roots of previous slot
# Cache state root of previous slot
previous_state_root = hash_tree_root(state)
state.latest_state_roots[state.slot % SLOTS_PER_HISTORICAL_ROOT] = previous_state_root
previous_block_root = signing_root(state.latest_block_header)
state.latest_block_roots[state.slot % SLOTS_PER_HISTORICAL_ROOT] = previous_block_root
# Cache previous state root in latest_block_header, if empty
if state.latest_block_header.state_root == ZERO_HASH:
state.latest_block_header.state_root = previous_state_root
# Cache block root of previous slot
previous_block_root = signing_root(state.latest_block_header)
state.latest_block_roots[state.slot % SLOTS_PER_HISTORICAL_ROOT] = previous_block_root
```
### Epoch processing