diff --git a/specs/phase0/beacon-chain.md b/specs/phase0/beacon-chain.md index 15c8924a4..8b6bf8d23 100644 --- a/specs/phase0/beacon-chain.md +++ b/specs/phase0/beacon-chain.md @@ -1305,6 +1305,8 @@ def get_attesting_balance(state: BeaconState, attestations: Sequence[PendingAtte ```python def process_justification_and_finalization(state: BeaconState) -> None: + # Initial FFG checkpoint values have a `0x00` stub for `root`. + # Skip updating FFG checkpoints in first two epochs to avoid corner cases that might result in modifying this stub. if get_current_epoch(state) <= GENESIS_EPOCH + 1: return @@ -1512,6 +1514,7 @@ def get_attestation_deltas(state: BeaconState) -> Tuple[Sequence[Gwei], Sequence ```python def process_rewards_and_penalties(state: BeaconState) -> None: + # No rewards are applied at end of `GENESIS_EPOCH` because rewards are for work done in the previous epoch if get_current_epoch(state) == GENESIS_EPOCH: return