lighthouse/beacon_node/http_api/src/build_block_contents.rs

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use beacon_chain::{BeaconChain, BeaconChainTypes, BlockProductionError};
use std::sync::Arc;
use types::{
AbstractExecPayload, BeaconBlock, BeaconBlockAndBlobSidecars, BlockContents, ForkName,
};
type Error = warp::reject::Rejection;
pub fn build_block_contents<T: BeaconChainTypes, Payload: AbstractExecPayload<T::EthSpec>>(
fork_name: ForkName,
chain: Arc<BeaconChain<T>>,
block: BeaconBlock<T::EthSpec, Payload>,
) -> Result<BlockContents<T::EthSpec, Payload>, Error> {
match fork_name {
ForkName::Base | ForkName::Altair | ForkName::Merge | ForkName::Capella => {
Ok(BlockContents::Block(block))
}
ForkName::Eip4844 => {
let block_root = &block.canonical_root();
if let Some(blob_sidecars) = chain.blob_cache.pop(block_root) {
let block_and_blobs = BeaconBlockAndBlobSidecars {
block,
blob_sidecars,
};
Ok(BlockContents::BlockAndBlobSidecars(block_and_blobs))
} else {
return Err(warp_utils::reject::block_production_error(
BlockProductionError::NoBlobsCached,
));
}
}
}
}