32 lines
971 B
Rust
32 lines
971 B
Rust
use crate::{BeaconChainTypes, CheckPoint};
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use operation_pool::PersistedOperationPool;
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use ssz::{Decode, Encode};
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use ssz_derive::{Decode, Encode};
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use store::{DBColumn, Error as StoreError, StoreItem};
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use types::{BeaconState, Hash256};
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/// 32-byte key for accessing the `PersistedBeaconChain`.
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pub const BEACON_CHAIN_DB_KEY: &str = "PERSISTEDBEACONCHAINPERSISTEDBEA";
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#[derive(Encode, Decode)]
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pub struct PersistedBeaconChain<T: BeaconChainTypes> {
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pub canonical_head: CheckPoint<T::EthSpec>,
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pub op_pool: PersistedOperationPool,
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pub genesis_block_root: Hash256,
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pub state: BeaconState<T::EthSpec>,
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}
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impl<T: BeaconChainTypes> StoreItem for PersistedBeaconChain<T> {
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fn db_column() -> DBColumn {
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DBColumn::BeaconChain
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}
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fn as_store_bytes(&self) -> Vec<u8> {
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self.as_ssz_bytes()
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}
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fn from_store_bytes(bytes: &mut [u8]) -> Result<Self, StoreError> {
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Self::from_ssz_bytes(bytes).map_err(Into::into)
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}
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}
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