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fix typo and specify something 

- committee_index is used as an input to compute_subnet_for_attestation but it's not previously defined
- attestation.data.committee_index is incorrect, the field is "index"
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fradamt 2022-06-27 14:20:25 +02:00 committed by GitHub
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specs/phase0/validator.md
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@ -260,7 +260,7 @@ A validator should plan for future assignments by noting their assigned attestat
slot and joining the committee index attestation subnet related to their committee assignment. slot and joining the committee index attestation subnet related to their committee assignment.
Specifically a validator should: Specifically a validator should:
* Call `get_committee_assignment(state, next_epoch, validator_index)` when checking for next epoch assignments. * Call `_, committee_index, _ = get_committee_assignment(state, next_epoch, validator_index)` when checking for next epoch assignments.
* Calculate the committees per slot for the next epoch: `committees_per_slot = get_committee_count_per_slot(state, next_epoch)` * Calculate the committees per slot for the next epoch: `committees_per_slot = get_committee_count_per_slot(state, next_epoch)`
* Calculate the subnet index: `subnet_id = compute_subnet_for_attestation(committees_per_slot, slot, committee_index)` * Calculate the subnet index: `subnet_id = compute_subnet_for_attestation(committees_per_slot, slot, committee_index)`
* Find peers of the pubsub topic `beacon_attestation_{subnet_id}`. * Find peers of the pubsub topic `beacon_attestation_{subnet_id}`.
@ -510,7 +510,7 @@ Finally, the validator broadcasts `attestation` to the associated attestation su
The `subnet_id` for the `attestation` is calculated with: The `subnet_id` for the `attestation` is calculated with:
- Let `committees_per_slot = get_committee_count_per_slot(state, attestation.data.target.epoch)`. - Let `committees_per_slot = get_committee_count_per_slot(state, attestation.data.target.epoch)`.
- Let `subnet_id = compute_subnet_for_attestation(committees_per_slot, attestation.data.slot, attestation.data.committee_index)`. - Let `subnet_id = compute_subnet_for_attestation(committees_per_slot, attestation.data.slot, attestation.data.index)`.
```python ```python
def compute_subnet_for_attestation(committees_per_slot: uint64, slot: Slot, committee_index: CommitteeIndex) -> uint64: def compute_subnet_for_attestation(committees_per_slot: uint64, slot: Slot, committee_index: CommitteeIndex) -> uint64: