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Update lmd_ghost algorithms to use get_deserialized.

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Age Manning 2019-02-13 18:52:37 +11:00
parent cb9f24224d
commit 6cf332c679
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GPG Key ID: 05EED64B79E06A93
3 changed files with 16 additions and 21 deletions
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2
eth2/fork_choice/src/lib.rs
View File

@ -112,7 +112,7 @@ pub enum ForkChoiceAlgorithms {
/// A simple and highly inefficient implementation of LMD ghost.
SlowLMDGhost,
/// An optimised version of LMD-GHOST by Vitalik.
OptimmisedLMDGhost,
OptimisedLMDGhost,
/// An optimised version of LMD-GHOST by Protolambda.
ProtoLMDGhost,
}

21
eth2/fork_choice/src/optimised_lmd_ghost.rs
View File

@ -30,7 +30,7 @@ use fast_math::log2_raw;
use std::collections::HashMap;
use std::sync::Arc;
use types::{
readers::{BeaconBlockReader, BeaconStateReader},
readers::BeaconBlockReader,
slot_epoch_height::{Height, Slot},
validator_registry::get_active_validator_indices,
BeaconBlock, Hash256,
@ -114,10 +114,8 @@ where
// gets the current weighted votes
let current_state = self
.state_store
.get_reader(&state_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconState(*state_root))?
.into_beacon_state()
.ok_or_else(|| ForkChoiceError::IncorrectBeaconState(*state_root))?;
.get_deserialized(&state_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconState(*state_root))?;
let active_validator_indices = get_active_validator_indices(
&current_state.validator_registry,
@ -144,10 +142,9 @@ where
let block_height = {
let block_slot = self
.block_store
.get_reader(&block_hash)
.get_deserialized(&block_hash)
.ok()?
.expect("Should have returned already if None")
.into_beacon_block()?
.slot;
block_slot.height(Slot::from(GENESIS_SLOT))
@ -267,7 +264,7 @@ impl<T: ClientDB + Sized> ForkChoice for OptimisedLMDGhost<T> {
// get the height of the parent
let parent_height = self
.block_store
.get_reader(&block.parent_root)?
.get_deserialized(&block.parent_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(block.parent_root))?
.slot()
.height(Slot::from(GENESIS_SLOT));
@ -312,7 +309,7 @@ impl<T: ClientDB + Sized> ForkChoice for OptimisedLMDGhost<T> {
// get the height of the target block
let block_height = self
.block_store
.get_reader(&target_block_root)?
.get_deserialized(&target_block_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*target_block_root))?
.slot()
.height(Slot::from(GENESIS_SLOT));
@ -320,7 +317,7 @@ impl<T: ClientDB + Sized> ForkChoice for OptimisedLMDGhost<T> {
// get the height of the past target block
let past_block_height = self
.block_store
.get_reader(&attestation_target)?
.get_deserialized(&attestation_target)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*attestation_target))?
.slot()
.height(Slot::from(GENESIS_SLOT));
@ -336,7 +333,7 @@ impl<T: ClientDB + Sized> ForkChoice for OptimisedLMDGhost<T> {
fn find_head(&mut self, justified_block_start: &Hash256) -> Result<Hash256, ForkChoiceError> {
let block = self
.block_store
.get_reader(&justified_block_start)?
.get_deserialized(&justified_block_start)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*justified_block_start))?;
let block_slot = block.slot();
@ -399,7 +396,7 @@ impl<T: ClientDB + Sized> ForkChoice for OptimisedLMDGhost<T> {
// update the block height for the next iteration
let block_height = self
.block_store
.get_reader(&current_head)?
.get_deserialized(&current_head)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*justified_block_start))?
.slot()
.height(Slot::from(GENESIS_SLOT));

14
eth2/fork_choice/src/slow_lmd_ghost.rs
View File

@ -82,10 +82,8 @@ where
// gets the current weighted votes
let current_state = self
.state_store
.get_reader(&state_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconState(*state_root))?
.into_beacon_state()
.ok_or_else(|| ForkChoiceError::IncorrectBeaconState(*state_root))?;
.get_deserialized(&state_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconState(*state_root))?;
let active_validator_indices = get_active_validator_indices(
&current_state.validator_registry,
@ -117,7 +115,7 @@ where
let mut count = 0;
let block_slot = self
.block_store
.get_reader(&block_root)?
.get_deserialized(&block_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*block_root))?
.slot();
@ -169,7 +167,7 @@ impl<T: ClientDB + Sized> ForkChoice for SlowLMDGhost<T> {
// get the height of the target block
let block_height = self
.block_store
.get_reader(&target_block_root)?
.get_deserialized(&target_block_root)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*target_block_root))?
.slot()
.height(Slot::from(GENESIS_SLOT));
@ -177,7 +175,7 @@ impl<T: ClientDB + Sized> ForkChoice for SlowLMDGhost<T> {
// get the height of the past target block
let past_block_height = self
.block_store
.get_reader(&attestation_target)?
.get_deserialized(&attestation_target)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*attestation_target))?
.slot()
.height(Slot::from(GENESIS_SLOT));
@ -193,7 +191,7 @@ impl<T: ClientDB + Sized> ForkChoice for SlowLMDGhost<T> {
fn find_head(&mut self, justified_block_start: &Hash256) -> Result<Hash256, ForkChoiceError> {
let start = self
.block_store
.get_reader(&justified_block_start)?
.get_deserialized(&justified_block_start)?
.ok_or_else(|| ForkChoiceError::MissingBeaconBlock(*justified_block_start))?;
let start_state_root = start.state_root();