Files
lighthouse/beacon_node/http_api/src/produce_block.rs
2024-01-10 08:38:16 +11:00

210 lines
7.6 KiB
Rust

use crate::{
build_block_contents,
version::{
add_consensus_block_value_header, add_consensus_version_header,
add_execution_payload_blinded_header, add_execution_payload_value_header,
fork_versioned_response, inconsistent_fork_rejection,
},
};
use beacon_chain::{
BeaconBlockResponseWrapper, BeaconChain, BeaconChainTypes, ProduceBlockVerification,
};
use bytes::Bytes;
use eth2::types::{
self as api_types, EndpointVersion, ProduceBlockV3Metadata, SkipRandaoVerification,
};
use ssz::Encode;
use std::sync::Arc;
use types::{payload::BlockProductionVersion, *};
use warp::{
hyper::{Body, Response},
Reply,
};
pub fn get_randao_verification(
query: &api_types::ValidatorBlocksQuery,
randao_reveal_infinity: bool,
) -> Result<ProduceBlockVerification, warp::Rejection> {
let randao_verification = if query.skip_randao_verification == SkipRandaoVerification::Yes {
if !randao_reveal_infinity {
return Err(warp_utils::reject::custom_bad_request(
"randao_reveal must be point-at-infinity if verification is skipped".into(),
));
}
ProduceBlockVerification::NoVerification
} else {
ProduceBlockVerification::VerifyRandao
};
Ok(randao_verification)
}
pub async fn produce_block_v3<T: BeaconChainTypes>(
accept_header: Option<api_types::Accept>,
chain: Arc<BeaconChain<T>>,
slot: Slot,
query: api_types::ValidatorBlocksQuery,
) -> Result<Response<Body>, warp::Rejection> {
let randao_reveal = query.randao_reveal.decompress().map_err(|e| {
warp_utils::reject::custom_bad_request(format!(
"randao reveal is not a valid BLS signature: {:?}",
e
))
})?;
let randao_verification = get_randao_verification(&query, randao_reveal.is_infinity())?;
let block_response_type = chain
.produce_block_with_verification(
randao_reveal,
slot,
query.graffiti,
randao_verification,
query.builder_boost_factor,
BlockProductionVersion::V3,
)
.await
.map_err(|e| {
warp_utils::reject::custom_bad_request(format!("failed to fetch a block: {:?}", e))
})?;
build_response_v3(chain, block_response_type, accept_header)
}
pub fn build_response_v3<T: BeaconChainTypes>(
chain: Arc<BeaconChain<T>>,
block_response: BeaconBlockResponseWrapper<T::EthSpec>,
accept_header: Option<api_types::Accept>,
) -> Result<Response<Body>, warp::Rejection> {
let fork_name = block_response
.fork_name(&chain.spec)
.map_err(inconsistent_fork_rejection)?;
let execution_payload_value = block_response.execution_payload_value();
let consensus_block_value = block_response.consensus_block_value();
let execution_payload_blinded = block_response.is_blinded();
let metadata = ProduceBlockV3Metadata {
consensus_version: fork_name,
execution_payload_blinded,
execution_payload_value,
consensus_block_value,
};
let block_contents = build_block_contents::build_block_contents(fork_name, block_response)?;
match accept_header {
Some(api_types::Accept::Ssz) => Response::builder()
.status(200)
.header("Content-Type", "application/ssz")
.body(block_contents.as_ssz_bytes().into())
.map(|res: Response<Body>| add_consensus_version_header(res, fork_name))
.map(|res| add_execution_payload_blinded_header(res, execution_payload_blinded))
.map(|res: Response<Body>| {
add_execution_payload_value_header(res, execution_payload_value)
})
.map(|res| add_consensus_block_value_header(res, consensus_block_value))
.map_err(|e| -> warp::Rejection {
warp_utils::reject::custom_server_error(format!("failed to create response: {}", e))
}),
_ => Ok(warp::reply::json(&ForkVersionedResponse {
version: Some(fork_name),
metadata,
data: block_contents,
})
.into_response())
.map(|res| res.into_response())
.map(|res| add_consensus_version_header(res, fork_name))
.map(|res| add_execution_payload_blinded_header(res, execution_payload_blinded))
.map(|res| add_execution_payload_value_header(res, execution_payload_value))
.map(|res| add_consensus_block_value_header(res, consensus_block_value)),
}
}
pub async fn produce_blinded_block_v2<T: BeaconChainTypes>(
endpoint_version: EndpointVersion,
accept_header: Option<api_types::Accept>,
chain: Arc<BeaconChain<T>>,
slot: Slot,
query: api_types::ValidatorBlocksQuery,
) -> Result<Response<Body>, warp::Rejection> {
let randao_reveal = query.randao_reveal.decompress().map_err(|e| {
warp_utils::reject::custom_bad_request(format!(
"randao reveal is not a valid BLS signature: {:?}",
e
))
})?;
let randao_verification = get_randao_verification(&query, randao_reveal.is_infinity())?;
let block_response_type = chain
.produce_block_with_verification(
randao_reveal,
slot,
query.graffiti.map(Into::into),
randao_verification,
None,
BlockProductionVersion::BlindedV2,
)
.await
.map_err(warp_utils::reject::block_production_error)?;
build_response_v2(chain, block_response_type, endpoint_version, accept_header)
}
pub async fn produce_block_v2<T: BeaconChainTypes>(
endpoint_version: EndpointVersion,
accept_header: Option<api_types::Accept>,
chain: Arc<BeaconChain<T>>,
slot: Slot,
query: api_types::ValidatorBlocksQuery,
) -> Result<Response<Body>, warp::Rejection> {
let randao_reveal = query.randao_reveal.decompress().map_err(|e| {
warp_utils::reject::custom_bad_request(format!(
"randao reveal is not a valid BLS signature: {:?}",
e
))
})?;
let randao_verification = get_randao_verification(&query, randao_reveal.is_infinity())?;
let block_response_type = chain
.produce_block_with_verification(
randao_reveal,
slot,
query.graffiti.map(Into::into),
randao_verification,
None,
BlockProductionVersion::FullV2,
)
.await
.map_err(warp_utils::reject::block_production_error)?;
build_response_v2(chain, block_response_type, endpoint_version, accept_header)
}
pub fn build_response_v2<T: BeaconChainTypes>(
chain: Arc<BeaconChain<T>>,
block_response: BeaconBlockResponseWrapper<T::EthSpec>,
endpoint_version: EndpointVersion,
accept_header: Option<api_types::Accept>,
) -> Result<Response<Body>, warp::Rejection> {
let fork_name = block_response
.fork_name(&chain.spec)
.map_err(inconsistent_fork_rejection)?;
let block_contents = build_block_contents::build_block_contents(fork_name, block_response)?;
match accept_header {
Some(api_types::Accept::Ssz) => Response::builder()
.status(200)
.header("Content-Type", "application/octet-stream")
.body(block_contents.as_ssz_bytes().into())
.map(|res: Response<Bytes>| add_consensus_version_header(res, fork_name))
.map_err(|e| {
warp_utils::reject::custom_server_error(format!("failed to create response: {}", e))
}),
_ => fork_versioned_response(endpoint_version, fork_name, block_contents)
.map(|response| warp::reply::json(&response).into_response())
.map(|res| add_consensus_version_header(res, fork_name)),
}
}