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Merge pull request #1985 from ethereum/non-viable-gossip 

add that current block is in the same chain as finalized ancestor
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Diederik Loerakker 2020-07-23 19:18:53 +02:00 committed by GitHub
parent b6eeec52e2 3cf6832198
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1 changed files with 16 additions and 4 deletions
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specs/phase0/p2p-interface.md
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@ -295,15 +295,18 @@ The following validations MUST pass before forwarding the `signed_beacon_block`
(a client MAY choose to validate and store such blocks for additional purposes -- e.g. slashing detection, archive nodes, etc). (a client MAY choose to validate and store such blocks for additional purposes -- e.g. slashing detection, archive nodes, etc).
- _[IGNORE]_ The block is the first block with valid signature received for the proposer for the slot, `signed_beacon_block.message.slot`. - _[IGNORE]_ The block is the first block with valid signature received for the proposer for the slot, `signed_beacon_block.message.slot`.
- _[REJECT]_ The proposer signature, `signed_beacon_block.signature`, is valid with respect to the `proposer_index` pubkey. - _[REJECT]_ The proposer signature, `signed_beacon_block.signature`, is valid with respect to the `proposer_index` pubkey.
- _[IGNORE]_ The block's parent (defined by `block.parent_root`) has been seen
(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 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`
- _[REJECT]_ The block is proposed by the expected `proposer_index` for the block's slot - _[REJECT]_ The block is proposed by the expected `proposer_index` for the block's slot
in the context of the current shuffling (defined by `parent_root`/`slot`). in the context of the current shuffling (defined by `parent_root`/`slot`).
If the `proposer_index` cannot immediately be verified against the expected shuffling, If the `proposer_index` cannot immediately be verified against the expected shuffling,
the block MAY be queued for later processing while proposers for the block's branch are calculated -- the block MAY be queued for later processing while proposers for the block's branch are calculated --
in such a case _do not_ `REJECT`, instead `IGNORE` this message. in such a case _do not_ `REJECT`, instead `IGNORE` this message.
- _[IGNORE]_ The block's parent (defined by `block.parent_root`) has been seen
(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.
##### `beacon_aggregate_and_proof` ##### `beacon_aggregate_and_proof`
@ -333,6 +336,10 @@ The following validations MUST pass before forwarding the `signed_aggregate_and_
(via both gossip and non-gossip sources) (via both gossip and non-gossip sources)
(a client MAY queue aggregates for processing once block is retrieved). (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 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, aggregate.data.beacon_block_root, compute_start_slot_at_epoch(store.finalized_checkpoint.epoch))
== store.finalized_checkpoint.root`
##### `voluntary_exit` ##### `voluntary_exit`
@ -393,6 +400,11 @@ The following validations MUST pass before forwarding the `attestation` on the s
(via both gossip and non-gossip sources) (via both gossip and non-gossip sources)
(a client MAY queue aggregates for processing once block is retrieved). (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 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, attestation.data.beacon_block_root, compute_start_slot_at_epoch(store.finalized_checkpoint.epoch))
== store.finalized_checkpoint.root`
#### Attestations and Aggregation #### Attestations and Aggregation