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Add broadcast validation routes to Beacon Node HTTP API (#4316)

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## Issue Addressed

 - #4293 
 - #4264 

## Proposed Changes

*Changes largely follow those suggested in the main issue*.

 - Add new routes to HTTP API
   - `post_beacon_blocks_v2`
   - `post_blinded_beacon_blocks_v2`
 - Add new routes to `BeaconNodeHttpClient`
   - `post_beacon_blocks_v2`
   - `post_blinded_beacon_blocks_v2`
 - Define new Eth2 common types
   - `BroadcastValidation`, enum representing the level of validation to apply to blocks prior to broadcast
   - `BroadcastValidationQuery`, the corresponding HTTP query string type for the above type
 - ~~Define `_checked` variants of both `publish_block` and `publish_blinded_block` that enforce a validation level at a type level~~
 - Add interactive tests to the `bn_http_api_tests` test target covering each validation level (to their own test module, `broadcast_validation_tests`)
   - `beacon/blocks`
       - `broadcast_validation=gossip`
         - Invalid (400)
         - Full Pass (200)
         - Partial Pass (202)
        - `broadcast_validation=consensus`
          - Invalid (400)
          - Only gossip (400)
          - Only consensus pass (i.e., equivocates) (200)
          - Full pass (200)
        - `broadcast_validation=consensus_and_equivocation`
          - Invalid (400)
          - Invalid due to early equivocation (400)
          - Only gossip (400)
          - Only consensus (400)
          - Pass (200)
   - `beacon/blinded_blocks`
       - `broadcast_validation=gossip`
         - Invalid (400)
         - Full Pass (200)
         - Partial Pass (202)
        - `broadcast_validation=consensus`
          - Invalid (400)
          - Only gossip (400)
          - ~~Only consensus pass (i.e., equivocates) (200)~~
          - Full pass (200)
        - `broadcast_validation=consensus_and_equivocation`
          - Invalid (400)
          - Invalid due to early equivocation (400)
          - Only gossip (400)
          - Only consensus (400)
          - Pass (200)
 - Add a new trait, `IntoGossipVerifiedBlock`, which allows type-level guarantees to be made as to gossip validity
 - Modify the structure of the `ObservedBlockProducers` cache from a `(slot, validator_index)` mapping to a `((slot, validator_index), block_root)` mapping
 - Modify `ObservedBlockProducers::proposer_has_been_observed` to return a `SeenBlock` rather than a boolean on success
 - Punish gossip peer (low) for submitting equivocating blocks
 - Rename `BlockError::SlashablePublish` to `BlockError::SlashableProposal`

## Additional Info

This PR contains changes that directly modify how blocks are verified within the client. For more context, consult [comments in-thread](https://github.com/sigp/lighthouse/pull/4316#discussion_r1234724202).


Co-authored-by: Michael Sproul <michael@sigmaprime.io>
This commit is contained in:
Jack McPherson
2023-06-29 12:02:38 +00:00
parent 23b06aa51e
commit 1aff082eea
22 changed files with 1963 additions and 181 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
beacon_node/beacon_chain/tests/payload_invalidation.rs
View File

@@ -697,6 +697,7 @@ async fn invalidates_all_descendants() {
fork_block.canonical_root(),
Arc::new(fork_block),
NotifyExecutionLayer::Yes,
|| Ok(()),
)
.await
.unwrap();
@@ -793,6 +794,7 @@ async fn switches_heads() {
fork_block.canonical_root(),
Arc::new(fork_block),
NotifyExecutionLayer::Yes,
|| Ok(()),
)
.await
.unwrap();
@@ -1046,7 +1048,9 @@ async fn invalid_parent() {
// Ensure the block built atop an invalid payload is invalid for import.
assert!(matches!(
rig.harness.chain.process_block(block.canonical_root(), block.clone(), NotifyExecutionLayer::Yes).await,
rig.harness.chain.process_block(block.canonical_root(), block.clone(), NotifyExecutionLayer::Yes,
|| Ok(()),
).await,
Err(BlockError::ParentExecutionPayloadInvalid { parent_root: invalid_root })
if invalid_root == parent_root
));
@@ -1332,7 +1336,12 @@ async fn build_optimistic_chain(
for block in blocks {
rig.harness
.chain
.process_block(block.canonical_root(), block, NotifyExecutionLayer::Yes)
.process_block(
block.canonical_root(),
block,
NotifyExecutionLayer::Yes,
|| Ok(()),
)
.await
.unwrap();
}
@@ -1892,6 +1901,7 @@ async fn recover_from_invalid_head_by_importing_blocks() {
fork_block.canonical_root(),
fork_block.clone(),
NotifyExecutionLayer::Yes,
|| Ok(()),
)
.await
.unwrap();