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Require gossip blocks to have a higher slot than thier parent #2196

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Feb 10, 2021
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Require gossip blocks to have a higher slot than thier parent #2196

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1 change: 1 addition & 0 deletions specs/phase0/p2p-interface.md
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Expand Up @@ -313,6 +313,7 @@ The following validations MUST pass before forwarding the `signed_beacon_block`
(via both gossip and non-gossip sources)
(a client MAY queue blocks for processing once the parent block is retrieved).
- _[REJECT]_ The block's parent (defined by `block.parent_root`) passes validation.
- _[REJECT]_ The block is from a higher slot than its parent.
- _[REJECT]_ The current `finalized_checkpoint` is an ancestor of `block` -- i.e.
`get_ancestor(store, block.parent_root, compute_start_slot_at_epoch(store.finalized_checkpoint.epoch))
== store.finalized_checkpoint.root`
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