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Merge pull request #2451 from paulhauner/patch-27 

Add clock disparity tolerance for sync subnets
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Danny Ryan 2021-05-27 08:04:30 -06:00 committed by GitHub
parent 671ed36212 48f989070d
commit 1ea1d2259f
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specs/altair/p2p-interface.md
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@ -120,7 +120,7 @@ def get_sync_subcommittee_pubkeys(state: BeaconState, subcommittee_index: uint64
return sync_committee.pubkeys[i:i + sync_subcommittee_size]
```
- _[IGNORE]_ The contribution's slot is for the current slot, i.e. `contribution.slot == current_slot`.
- _[IGNORE]_ The contribution's slot is for the current slot (with a MAXIMUM_GOSSIP_CLOCK_DISPARITY allowance), i.e. `contribution.slot == current_slot`.
- _[IGNORE]_ The block being signed over (`contribution.beacon_block_root`) has been seen (via both gossip and non-gossip sources).
- _[REJECT]_ The subcommittee index is in the allowed range, i.e. `contribution.subcommittee_index < SYNC_COMMITTEE_SUBNET_COUNT`.
- _[IGNORE]_ The sync committee contribution is the first valid contribution received for the aggregator with index `contribution_and_proof.aggregator_index` for the slot `contribution.slot` and subcommittee index `contribution.subcommittee_index`.
@ -141,7 +141,7 @@ The `sync_committee_{subnet_id}` topics are used to propagate unaggregated sync
The following validations MUST pass before forwarding the `sync_committee_signature` on the network:
- _[IGNORE]_ The signature's slot is for the current slot, i.e. `sync_committee_signature.slot == current_slot`.
- _[IGNORE]_ The signature's slot is for the current slot (with a MAXIMUM_GOSSIP_CLOCK_DISPARITY allowance), i.e. `sync_committee_signature.slot == current_slot`.
- _[IGNORE]_ The block being signed over (`sync_committee_signature.beacon_block_root`) has been seen (via both gossip and non-gossip sources).
- _[IGNORE]_ There has been no other valid sync committee signature for the declared `slot` for the validator referenced by `sync_committee_signature.validator_index`.
- _[REJECT]_ The `subnet_id` is valid for the given validator, i.e. `subnet_id in compute_subnets_for_sync_committee(state, sync_committee_signature.validator_index)`.