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Update EIP-7658: Use constant sync committee size for supermajority checks #10816

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Update EIP-7658: Use constant sync committee size for supermajority checks #10816

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5 changes: 2 additions & 3 deletions EIPS/eip-7658.md
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Original file line number Diff line number Diff line change
Expand Up @@ -121,11 +121,10 @@ def process_best_sync_data(state: BeaconState, block: BeaconBlock) -> None:

# Track best sync data
if attested_period == signature_period:
max_active_participants = len(block.body.sync_aggregate.sync_committee_bits)
new_num_active_participants = sum(block.body.sync_aggregate.sync_committee_bits)
old_num_active_participants = sum(state.current_best_sync_data.sync_aggregate.sync_committee_bits)
new_has_supermajority = new_num_active_participants * 3 >= max_active_participants * 2
old_has_supermajority = old_num_active_participants * 3 >= max_active_participants * 2
new_has_supermajority = new_num_active_participants * 3 >= SYNC_COMMITTEE_SIZE * 2
old_has_supermajority = old_num_active_participants * 3 >= SYNC_COMMITTEE_SIZE * 2
if new_has_supermajority != old_has_supermajority:
is_better_sync_data = new_has_supermajority
elif not new_has_supermajority and new_num_active_participants != old_num_active_participants:
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