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Merge pull request #1999 from ethereum/genesis-comments 

add clarifying comment for genesis skip conditions
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Danny Ryan 2020-07-28 12:31:54 -04:00 committed by GitHub
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specs/phase0/beacon-chain.md
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@ -1305,6 +1305,8 @@ def get_attesting_balance(state: BeaconState, attestations: Sequence[PendingAtte
```python ```python
def process_justification_and_finalization(state: BeaconState) -> None: def process_justification_and_finalization(state: BeaconState) -> None:
# Initial FFG checkpoint values have a `0x00` stub for `root`.
# Skip FFG updates in the first two epochs to avoid corner cases that might result in modifying this stub.
if get_current_epoch(state) <= GENESIS_EPOCH + 1: if get_current_epoch(state) <= GENESIS_EPOCH + 1:
return return
@ -1512,6 +1514,7 @@ def get_attestation_deltas(state: BeaconState) -> Tuple[Sequence[Gwei], Sequence
```python ```python
def process_rewards_and_penalties(state: BeaconState) -> None: def process_rewards_and_penalties(state: BeaconState) -> None:
# No rewards are applied at the end of `GENESIS_EPOCH` because rewards are for work done in the previous epoch
if get_current_epoch(state) == GENESIS_EPOCH: if get_current_epoch(state) == GENESIS_EPOCH:
return return