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Optimise beacon chain persistence (#851)

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* Unfinished progress

* Update more persistence code

* Start fixing tests

* Combine persist head and fork choice

* Persist head on reorg

* Gracefully handle op pool and eth1 cache missing

* Fix test failure

* Address Michael's comments
This commit is contained in:
Paul Hauner
2020-03-06 16:09:41 +11:00
committed by GitHub
parent a87e8c55fc
commit 8c5bcfe53a
14 changed files with 297 additions and 119 deletions
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17
beacon_node/beacon_chain/src/persisted_beacon_chain.rs
View File

@@ -1,28 +1,17 @@
use crate::eth1_chain::SszEth1;
use crate::fork_choice::SszForkChoice;
use crate::head_tracker::SszHeadTracker;
use crate::{BeaconChainTypes, CheckPoint};
use operation_pool::PersistedOperationPool;
use ssz::{Decode, Encode};
use ssz_derive::{Decode, Encode};
use store::{DBColumn, Error as StoreError, SimpleStoreItem};
use types::Hash256;
/// 32-byte key for accessing the `PersistedBeaconChain`.
pub const BEACON_CHAIN_DB_KEY: &str = "PERSISTEDBEACONCHAINPERSISTEDBEA";
#[derive(Clone, Encode, Decode)]
pub struct PersistedBeaconChain<T: BeaconChainTypes> {
pub canonical_head: CheckPoint<T::EthSpec>,
pub finalized_checkpoint: CheckPoint<T::EthSpec>,
pub op_pool: PersistedOperationPool<T::EthSpec>,
pub struct PersistedBeaconChain {
pub canonical_head_block_root: Hash256,
pub genesis_block_root: Hash256,
pub ssz_head_tracker: SszHeadTracker,
pub fork_choice: SszForkChoice,
pub eth1_cache: Option<SszEth1>,
}
impl<T: BeaconChainTypes> SimpleStoreItem for PersistedBeaconChain<T> {
impl SimpleStoreItem for PersistedBeaconChain {
fn db_column() -> DBColumn {
DBColumn::BeaconChain
}