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eth2.0-specs
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Avoid redundant call to get_ancestor

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Paul Hauner 2020-06-10 11:02:10 +10:00 committed by GitHub
parent f279e30250
commit 378d249487
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1 changed files with 10 additions and 9 deletions
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specs/phase0/fork-choice.md
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@ -371,15 +371,16 @@ def on_block(store: Store, signed_block: SignedBeaconBlock) -> None:
# Update finalized checkpoint
if state.finalized_checkpoint.epoch > store.finalized_checkpoint.epoch:
store.finalized_checkpoint = state.finalized_checkpoint
finalized_slot = compute_start_slot_at_epoch(store.finalized_checkpoint.epoch)
# Update justified if new justified is later than store justified
# or if store justified is not in chain with finalized checkpoint
if (
state.current_justified_checkpoint.epoch > store.justified_checkpoint.epoch
or get_ancestor(store, store.justified_checkpoint.root, finalized_slot) != store.finalized_checkpoint.root
):
store.justified_checkpoint = state.current_justified_checkpoint
if store.justified_checkpoint != state.current_justified_checkpoint:
finalized_slot = compute_start_slot_at_epoch(store.finalized_checkpoint.epoch)
# Update justified if new justified is later than store justified
# or if store justified is not in chain with finalized checkpoint
if (
state.current_justified_checkpoint.epoch > store.justified_checkpoint.epoch
or get_ancestor(store, store.justified_checkpoint.root, finalized_slot) != store.finalized_checkpoint.root
):
store.justified_checkpoint = state.current_justified_checkpoint
```
#### `on_attestation`