Merge commit '036b797b2c1831352f937356576b3c78c65220ad' into eip4844

This commit is contained in:
Diva M
2023-04-04 11:53:55 -05:00
27 changed files with 1335 additions and 616 deletions

View File

@@ -438,6 +438,46 @@ pub struct BeaconChain<T: BeaconChainTypes> {
type BeaconBlockAndState<T, Payload> = (BeaconBlock<T, Payload>, BeaconState<T>);
impl<T: BeaconChainTypes> BeaconChain<T> {
/// Checks if a block is finalized.
/// The finalization check is done with the block slot. The block root is used to verify that
/// the finalized slot is in the canonical chain.
pub fn is_finalized_block(
&self,
block_root: &Hash256,
block_slot: Slot,
) -> Result<bool, Error> {
let finalized_slot = self
.canonical_head
.cached_head()
.finalized_checkpoint()
.epoch
.start_slot(T::EthSpec::slots_per_epoch());
let is_canonical = self
.block_root_at_slot(block_slot, WhenSlotSkipped::None)?
.map_or(false, |canonical_root| block_root == &canonical_root);
Ok(block_slot <= finalized_slot && is_canonical)
}
/// Checks if a state is finalized.
/// The finalization check is done with the slot. The state root is used to verify that
/// the finalized state is in the canonical chain.
pub fn is_finalized_state(
&self,
state_root: &Hash256,
state_slot: Slot,
) -> Result<bool, Error> {
let finalized_slot = self
.canonical_head
.cached_head()
.finalized_checkpoint()
.epoch
.start_slot(T::EthSpec::slots_per_epoch());
let is_canonical = self
.state_root_at_slot(state_slot)?
.map_or(false, |canonical_root| state_root == &canonical_root);
Ok(state_slot <= finalized_slot && is_canonical)
}
/// Persists the head tracker and fork choice.
///
/// We do it atomically even though no guarantees need to be made about blocks from