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This commit is contained in:
Grant Wuerker
2019-08-06 19:17:15 +02:00
parent c431bd993e
commit ce73705498
7 changed files with 85 additions and 56 deletions
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22
beacon_node/beacon_chain/src/fork_choice.rs
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@@ -3,7 +3,9 @@ use lmd_ghost::LmdGhost;
use state_processing::common::get_attesting_indices;
use std::sync::Arc;
use store::{Error as StoreError, Store};
use types::{Attestation, BeaconBlock, BeaconState, BeaconStateError, Epoch, EthSpec, Hash256, Slot};
use types::{
Attestation, BeaconBlock, BeaconState, BeaconStateError, Epoch, EthSpec, Hash256, Slot,
};
type Result<T> = std::result::Result<T, Error>;
@@ -171,7 +173,11 @@ impl<T: BeaconChainTypes> ForkChoice<T> {
}
/// Determines whether or not the given attestation contains a latest message.
pub fn should_process_attestation(&self, state: &BeaconState<T::EthSpec>, attestation: &Attestation<T::EthSpec>) -> Result<bool> {
pub fn should_process_attestation(
&self,
state: &BeaconState<T::EthSpec>,
attestation: &Attestation<T::EthSpec>,
) -> Result<bool> {
let validator_indices =
get_attesting_indices(state, &attestation.data, &attestation.aggregation_bits)?;
@@ -179,12 +185,11 @@ impl<T: BeaconChainTypes> ForkChoice<T> {
Ok(validator_indices
.iter()
.find(|&&v| {
match self.backend.latest_message(v) {
Some((_, slot)) => block_slot > slot,
None => true
}
}).is_some())
.find(|&&v| match self.backend.latest_message(v) {
Some((_, slot)) => block_slot > slot,
None => true,
})
.is_some())
}
// Returns the latest message for a given validator
@@ -224,4 +229,3 @@ impl From<String> for Error {
Error::BackendError(e)
}
}