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Update specs/altair/p2p-interface.md 

Co-authored-by: Alex Stokes <r.alex.stokes@gmail.com>
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Danny Ryan 2021-07-21 15:51:59 -06:00 committed by GitHub
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specs/altair/p2p-interface.md
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@ -140,7 +140,7 @@ def get_sync_subcommittee_pubkeys(state: BeaconState, subcommittee_index: uint64
- _[IGNORE]_ The contribution's slot is for the current slot (with a `MAXIMUM_GOSSIP_CLOCK_DISPARITY` allowance), i.e. `contribution.slot == current_slot`.
- _[REJECT]_ The subcommittee index is in the allowed range, i.e. `contribution.subcommittee_index < SYNC_COMMITTEE_SUBNET_COUNT`.
- _[REJECT]_ The contribution has participants --
that is, `len(set(bit for bit in contribution.aggregation_bits if bit == True)) >= 1`.
that is, `any(contribution.aggregation_bits)`.
- _[REJECT]_ `contribution_and_proof.selection_proof` selects the validator as an aggregator for the slot -- i.e. `is_sync_committee_aggregator(contribution_and_proof.selection_proof)` returns `True`.
- _[REJECT]_ The aggregator's validator index is in the declared subcommittee of the current sync committee --
i.e. `state.validators[contribution_and_proof.aggregator_index].pubkey in get_sync_subcommittee_pubkeys(state, contribution.subcommittee_index)`.