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Implement block_rewards API (per-validator reward) (#3907)

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## Issue Addressed

[#3661](https://github.com/sigp/lighthouse/issues/3661)

## Proposed Changes

`/eth/v1/beacon/rewards/blocks/{block_id}`

```
{
  "execution_optimistic": false,
  "finalized": false,
  "data": {
    "proposer_index": "123",
    "total": "123",
    "attestations": "123",
    "sync_aggregate": "123",
    "proposer_slashings": "123",
    "attester_slashings": "123"
  }
}
```

The issue contains the implementation of three per-validator reward APIs:
* `sync_committee_rewards`
* [`attestation_rewards`](https://github.com/sigp/lighthouse/pull/3822)
* `block_rewards`

This PR only implements the `block_rewards`.

The endpoints can be viewed in the Ethereum Beacon nodes API browser: [https://ethereum.github.io/beacon-APIs/?urls.primaryName=dev#/Rewards](https://ethereum.github.io/beacon-APIs/?urls.primaryName=dev#/Rewards)

## Additional Info

The implementation of [consensus client reward APIs](https://github.com/eth-protocol-fellows/cohort-three/blob/master/projects/project-ideas.md#consensus-client-reward-apis) is part of the [EPF](https://github.com/eth-protocol-fellows/cohort-three).

Co-authored-by: kevinbogner <kevbogner@gmail.com>
Co-authored-by: navie <naviechan@gmail.com>
This commit is contained in:
naviechan
2023-02-07 08:33:23 +00:00
parent 4d07e40501
commit 9547ac069c
10 changed files with 335 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
beacon_node/http_api/src/standard_block_rewards.rs Normal file
View File

@@ -0,0 +1,27 @@
use crate::sync_committee_rewards::get_state_before_applying_block;
use crate::BlockId;
use crate::ExecutionOptimistic;
use beacon_chain::{BeaconChain, BeaconChainTypes};
use eth2::lighthouse::StandardBlockReward;
use std::sync::Arc;
use warp_utils::reject::beacon_chain_error;
//// The difference between block_rewards and beacon_block_rewards is the later returns block
//// reward format that satisfies beacon-api specs
pub fn compute_beacon_block_rewards<T: BeaconChainTypes>(
chain: Arc<BeaconChain<T>>,
block_id: BlockId,
) -> Result<(StandardBlockReward, ExecutionOptimistic), warp::Rejection> {
let (block, execution_optimistic) = block_id.blinded_block(&chain)?;
let block_ref = block.message();
let block_root = block.canonical_root();
let mut state = get_state_before_applying_block(chain.clone(), &block)?;
let rewards = chain
.compute_beacon_block_reward(block_ref, block_root, &mut state)
.map_err(beacon_chain_error)?;
Ok((rewards, execution_optimistic))
}