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Altair consensus changes and refactors (#2279)

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## Proposed Changes

Implement the consensus changes necessary for the upcoming Altair hard fork.

## Additional Info

This is quite a heavy refactor, with pivotal types like the `BeaconState` and `BeaconBlock` changing from structs to enums. This ripples through the whole codebase with field accesses changing to methods, e.g. `state.slot` => `state.slot()`.


Co-authored-by: realbigsean <seananderson33@gmail.com>
This commit is contained in:
Michael Sproul
2021-07-09 06:15:32 +00:00
parent 89361573d4
commit b4689e20c6
271 changed files with 9652 additions and 8444 deletions
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18
consensus/state_processing/src/per_epoch_processing/registry_updates.rs
View File

@@ -1,11 +1,11 @@
use crate::{common::initiate_validator_exit, per_epoch_processing::Error};
use itertools::Itertools;
use safe_arith::SafeArith;
use types::*;
use types::{BeaconState, ChainSpec, EthSpec, Validator};
/// Performs a validator registry update, if required.
///
/// Spec v0.12.1
/// NOTE: unchanged in Altair
pub fn process_registry_updates<T: EthSpec>(
state: &mut BeaconState<T>,
spec: &ChainSpec,
@@ -20,7 +20,7 @@ pub fn process_registry_updates<T: EthSpec>(
&& validator.effective_balance <= spec.ejection_balance
};
let indices_to_update: Vec<_> = state
.validators
.validators()
.iter()
.enumerate()
.filter(|(_, validator)| {
@@ -30,17 +30,18 @@ pub fn process_registry_updates<T: EthSpec>(
.collect();
for index in indices_to_update {
if state.validators[index].is_eligible_for_activation_queue(spec) {
state.validators[index].activation_eligibility_epoch = current_epoch.safe_add(1)?;
let validator = state.get_validator_mut(index)?;
if validator.is_eligible_for_activation_queue(spec) {
validator.activation_eligibility_epoch = current_epoch.safe_add(1)?;
}
if is_ejectable(&state.validators[index]) {
if is_ejectable(validator) {
initiate_validator_exit(state, index, spec)?;
}
}
// Queue validators eligible for activation and not dequeued for activation prior to finalized epoch
let activation_queue = state
.validators
.validators()
.iter()
.enumerate()
.filter(|(_, validator)| validator.is_eligible_for_activation(state, spec))
@@ -52,8 +53,7 @@ pub fn process_registry_updates<T: EthSpec>(
let churn_limit = state.get_churn_limit(spec)? as usize;
let delayed_activation_epoch = state.compute_activation_exit_epoch(current_epoch, spec)?;
for index in activation_queue.into_iter().take(churn_limit) {
let validator = &mut state.validators[index];
validator.activation_epoch = delayed_activation_epoch;
state.get_validator_mut(index)?.activation_epoch = delayed_activation_epoch;
}
Ok(())