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add finalized ancestor checks to attestation gossip

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Danny Ryan 2020-07-23 10:39:04 -06:00
parent fb13f67cca
commit b3e49ff0d3
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specs/phase0/p2p-interface.md
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@ -336,6 +336,10 @@ The following validations MUST pass before forwarding the `signed_aggregate_and_
(via both gossip and non-gossip sources)
(a client MAY queue aggregates for processing once block is retrieved).
- _[REJECT]_ The block being voted for (`aggregate.data.beacon_block_root`) passes validation.
- _[REJECT]_ The current `finalized_checkpoint` is an ancestor of the `block` defined by `aggregate.data.beacon_block_root` -- i.e.
`get_ancestor(store, hash_tree_root(block), compute_start_slot_at_epoch(store.finalized_checkpoint.epoch))
== store.finalized_checkpoint.root`
##### `voluntary_exit`
@ -396,6 +400,11 @@ The following validations MUST pass before forwarding the `attestation` on the s
(via both gossip and non-gossip sources)
(a client MAY queue aggregates for processing once block is retrieved).
- _[REJECT]_ The block being voted for (`attestation.data.beacon_block_root`) passes validation.
- _[REJECT]_ The current `finalized_checkpoint` is an ancestor of the `block` defined by `attestation.data.beacon_block_root` -- i.e.
`get_ancestor(store, hash_tree_root(block), compute_start_slot_at_epoch(store.finalized_checkpoint.epoch))
== store.finalized_checkpoint.root`
#### Attestations and Aggregation