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Fix typo from earlier edit to field name 

The field name `aggregation_bits` was changed from `aggregate_bits` to reflect the same usage under the attestation scheme. This PR cleans up left-over references to the old field name in the section header and TOC.
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Alex Stokes 2021-03-26 11:38:47 -07:00 committed by GitHub
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specs/altair/validator.md
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@ -39,7 +39,7 @@ This is an accompanying document to [Ethereum 2.0 Altair -- The Beacon Chain](./
- [Slot](#slot) - [Slot](#slot)
- [Beacon block root](#beacon-block-root) - [Beacon block root](#beacon-block-root)
- [Subcommittee index](#subcommittee-index) - [Subcommittee index](#subcommittee-index)
- [Aggregate bits](#aggregate-bits) - [Aggregation bits](#aggregation-bits)
- [Signature](#signature) - [Signature](#signature)
- [Broadcast sync committee contribution](#broadcast-sync-committee-contribution) - [Broadcast sync committee contribution](#broadcast-sync-committee-contribution)
- [Sync committee subnet stability](#sync-committee-subnet-stability) - [Sync committee subnet stability](#sync-committee-subnet-stability)
@ -350,7 +350,7 @@ Set `contribution.beacon_block_root = beacon_block_root` from the `beacon_block_
Set `contribution.subcommittee_index` to the index for the subcommittee index corresponding to the subcommittee assigned to this subnet. This index matches the `subnet_id` used to derive the topic name. Set `contribution.subcommittee_index` to the index for the subcommittee index corresponding to the subcommittee assigned to this subnet. This index matches the `subnet_id` used to derive the topic name.
###### Aggregate bits ###### Aggregation bits
Let `contribution.aggregation_bits` be a `Bitvector[SYNC_COMMITTEE_SIZE // SYNC_COMMITTEE_SUBNET_COUNT]`, where the `index`th bit is set in the `Bitvector` for each corresponding validator included in this aggregate from the corresponding subcommittee. Let `contribution.aggregation_bits` be a `Bitvector[SYNC_COMMITTEE_SIZE // SYNC_COMMITTEE_SUBNET_COUNT]`, where the `index`th bit is set in the `Bitvector` for each corresponding validator included in this aggregate from the corresponding subcommittee.
An aggregator needs to find the index in the sync committee (as returned by `get_sync_committee_indices`) for a given validator referenced by `sync_committee_signature.validator_index` and map the sync committee index to an index in the subcommittee (along with the prior `subcommittee_index`). This index within the subcommittee is the one set in the `Bitvector`. An aggregator needs to find the index in the sync committee (as returned by `get_sync_committee_indices`) for a given validator referenced by `sync_committee_signature.validator_index` and map the sync committee index to an index in the subcommittee (along with the prior `subcommittee_index`). This index within the subcommittee is the one set in the `Bitvector`.