30 lines
868 B
Rust
30 lines
868 B
Rust
|
use crate::{BeaconChainTypes, CheckPoint};
|
||
|
|
use ssz::{Decode, Encode};
|
||
|
|
use ssz_derive::{Decode, Encode};
|
||
|
|
use store::{DBColumn, Error as StoreError, StoreItem};
|
||
|
|
use types::BeaconState;
|
||
|
|
|
||
|
|
/// 32-byte key for accessing the `PersistedBeaconChain`.
|
||
|
|
pub const BEACON_CHAIN_DB_KEY: &str = "PERSISTEDBEACONCHAINPERSISTEDBEA";
|
||
|
|
|
||
|
|
#[derive(Encode, Decode)]
|
||
|
|
pub struct PersistedBeaconChain<T: BeaconChainTypes> {
|
||
|
|
pub canonical_head: CheckPoint<T::EthSpec>,
|
||
|
|
// TODO: operations pool.
|
||
|
|
pub state: BeaconState<T::EthSpec>,
|
||
|
|
}
|
||
|
|
|
||
|
|
impl<T: BeaconChainTypes> StoreItem for PersistedBeaconChain<T> {
|
||
|
|
fn db_column() -> DBColumn {
|
||
|
|
DBColumn::BeaconChain
|
||
|
|
}
|
||
|
|
|
||
|
|
fn as_store_bytes(&self) -> Vec<u8> {
|
||
|
|
self.as_ssz_bytes()
|
||
|
|
}
|
||
|
|
|
||
|
|
fn from_store_bytes(bytes: &mut [u8]) -> Result<Self, StoreError> {
|
||
|
|
Self::from_ssz_bytes(bytes).map_err(Into::into)
|
||
|
|
}
|
||
|
|
}
|