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Faster attestation production (#838)

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* Start adding interop genesis state to lcli

* Use more efficient method to generate genesis state

* Remove duplicate int_to_bytes32

* Add lcli command to change state genesis time

* Add option to allow VC to start with unsynced BN

* Set VC to do parallel key loading

* Don't default to dummy eth1 backend

* Add endpoint to dump operation pool

* Add metrics for op pool

* Remove state clone for slot notifier

* Add mem size approximation for tree hash cache

* Avoid cloning tree hash when getting head

* Avoid cloning tree hash when getting head

* Add working arena-based cached tree hash

* Add another benchmark

* Add pre-allocation for caches

* Make cache nullable

* Fix bugs in cache tree hash

* Add validator tree hash optimization

* Optimize hash_concat

* Make hash32_concat return fixed-len array

* Fix failing API tests

* Add new beacon state cache struct

* Add validator-specific cache

* Separate list and values arenas

* Add parallel validator registry hashing

* Remove MultiTreeHashCache

* Remove cached tree hash macro

* Fix failing tree hash test

* Address Michael's comments

* Add CachedTreeHash impl for ef tests

* Fix messy merge conflict

* Optimize attestation production

* Add first basic optimizations

* Fix SlotOutOfBounds error

* Resolved missed merge conflicts

* Fix another missed merge conflict

* Fix more merge conflict issues

* Add `StateSkipConfig`

* Fix test compile errors

* Add failing test

* Fix bug, make tests pass

* Add comment

* Delete unused function

* Replace deleted comment
This commit is contained in:
Paul Hauner
2020-03-04 17:10:22 +11:00
committed by GitHub
parent 1f16d8fe4d
commit 12999fb06c
13 changed files with 350 additions and 196 deletions
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12
beacon_node/rest_api/src/helpers.rs
View File

@@ -1,5 +1,5 @@
use crate::{ApiError, ApiResult};
use beacon_chain::{BeaconChain, BeaconChainTypes};
use beacon_chain::{BeaconChain, BeaconChainTypes, StateSkipConfig};
use bls::PublicKeyBytes;
use eth2_libp2p::GossipTopic;
use eth2_libp2p::PubsubMessage;
@@ -142,7 +142,7 @@ pub fn state_at_slot<T: BeaconChainTypes>(
if head.beacon_state.slot == slot {
Ok((head.beacon_state_root, head.beacon_state))
} else {
let root = state_root_at_slot(beacon_chain, slot)?;
let root = state_root_at_slot(beacon_chain, slot, StateSkipConfig::WithStateRoots)?;
let state: BeaconState<T::EthSpec> = beacon_chain
.store
@@ -161,6 +161,7 @@ pub fn state_at_slot<T: BeaconChainTypes>(
pub fn state_root_at_slot<T: BeaconChainTypes>(
beacon_chain: &BeaconChain<T>,
slot: Slot,
config: StateSkipConfig,
) -> Result<Hash256, ApiError> {
let head_state = &beacon_chain.head()?.beacon_state;
let current_slot = beacon_chain
@@ -206,11 +207,16 @@ pub fn state_root_at_slot<T: BeaconChainTypes>(
let mut state = beacon_chain.head()?.beacon_state;
let spec = &T::EthSpec::default_spec();
let skip_state_root = match config {
StateSkipConfig::WithStateRoots => None,
StateSkipConfig::WithoutStateRoots => Some(Hash256::zero()),
};
for _ in state.slot.as_u64()..slot.as_u64() {
// Ensure the next epoch state caches are built in case of an epoch transition.
state.build_committee_cache(RelativeEpoch::Next, spec)?;
state_processing::per_slot_processing(&mut state, None, spec)?;
state_processing::per_slot_processing(&mut state, skip_state_root, spec)?;
}
// Note: this is an expensive operation. Once the tree hash cache is implement it may be