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Add block/state caching on beacon chain (#677)

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* Add basic block/state caching on beacon chain

* Adds checkpoint cache

* Stop storing the tree hash cache in the db

* Remove dedunant beacon state write

* Use caching get methods in fork choice

* Use caching state getting in state_by_slot

* Add state.cacheless_clone

* Attempt to improve attestation processing times

* Introduce HeadInfo struct

* Used cache tree hash for block processing

* Use cached tree hash for block production too
This commit is contained in:
Paul Hauner
2019-12-09 14:20:25 +11:00
committed by GitHub
parent 36624b1d14
commit 2bfc512fb6
8 changed files with 340 additions and 101 deletions
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33
eth2/types/src/beacon_state.rs
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@@ -909,6 +909,39 @@ impl<T: EthSpec> BeaconState<T> {
pub fn drop_tree_hash_cache(&mut self) {
self.tree_hash_cache = BeaconTreeHashCache::default();
}
pub fn clone_without_caches(&self) -> Self {
BeaconState {
genesis_time: self.genesis_time,
slot: self.slot,
fork: self.fork.clone(),
latest_block_header: self.latest_block_header.clone(),
block_roots: self.block_roots.clone(),
state_roots: self.state_roots.clone(),
historical_roots: self.historical_roots.clone(),
eth1_data: self.eth1_data.clone(),
eth1_data_votes: self.eth1_data_votes.clone(),
eth1_deposit_index: self.eth1_deposit_index,
validators: self.validators.clone(),
balances: self.balances.clone(),
randao_mixes: self.randao_mixes.clone(),
slashings: self.slashings.clone(),
previous_epoch_attestations: self.previous_epoch_attestations.clone(),
current_epoch_attestations: self.current_epoch_attestations.clone(),
justification_bits: self.justification_bits.clone(),
previous_justified_checkpoint: self.previous_justified_checkpoint.clone(),
current_justified_checkpoint: self.current_justified_checkpoint.clone(),
finalized_checkpoint: self.finalized_checkpoint.clone(),
committee_caches: [
CommitteeCache::default(),
CommitteeCache::default(),
CommitteeCache::default(),
],
pubkey_cache: PubkeyCache::default(),
exit_cache: ExitCache::default(),
tree_hash_cache: BeaconTreeHashCache::default(),
}
}
}
impl From<RelativeEpochError> for Error {