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Update VC and BN APIs for naive aggregation (#950)

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* Refactor `Attestation` production

* Add constant

* Start refactor for aggregation

* Return early when no attesting validators

* Refactor into individual functions

* Tidy, add comments

* Add first draft of NaiveAggregationPool

* Further progress on naive aggregation pool

* Fix compile errors in VC

* Change locking logic for naive pool

* Introduce AttesationType

* Add pruning, comments

* Add MAX_ATTESTATIONS_PER_SLOT restriction

* Add pruning based on slot

* Update BN for new aggregation fns

* Fix test compile errors

* Fix failing rest_api test

* Move SignedAggregateAndProof into own file

* Update docs, fix warning

* Tidy some formatting in validator API

* Remove T::default_spec from signing

* Fix failing rest test

* Tidy

* Add test, fix bug

* Improve naive pool tests

* Add max attestations test

* Revert changes to the op_pool

* Refactor timer
This commit is contained in:
Paul Hauner
2020-03-25 21:14:05 +11:00
committed by GitHub
parent 58111cddb2
commit fbcf0f8e2e
30 changed files with 1407 additions and 752 deletions
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41
validator_client/src/validator_store.rs
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@@ -12,8 +12,8 @@ use std::path::PathBuf;
use std::sync::Arc;
use tempdir::TempDir;
use types::{
AggregateAndProof, Attestation, BeaconBlock, ChainSpec, Domain, Epoch, EthSpec, Fork,
PublicKey, Signature, SignedAggregateAndProof, SignedBeaconBlock, SignedRoot, Slot,
Attestation, BeaconBlock, ChainSpec, Domain, Epoch, EthSpec, Fork, PublicKey, Signature,
SignedAggregateAndProof, SignedBeaconBlock, SignedRoot, Slot,
};
#[derive(Clone)]
@@ -199,6 +199,28 @@ impl<T: SlotClock + 'static, E: EthSpec> ValidatorStore<T, E> {
})
}
/// Signs an `AggregateAndProof` for a given validator.
///
/// The resulting `SignedAggregateAndProof` is sent on the aggregation channel and cannot be
/// modified by actors other than the signing validator.
pub fn produce_signed_aggregate_and_proof(
&self,
validator_pubkey: &PublicKey,
validator_index: u64,
aggregate: Attestation<E>,
) -> Option<SignedAggregateAndProof<E>> {
let validators = self.validators.read();
let voting_keypair = validators.get(validator_pubkey)?.voting_keypair.as_ref()?;
Some(SignedAggregateAndProof::from_aggregate(
validator_index,
aggregate,
&voting_keypair.sk,
&self.fork()?,
&self.spec,
))
}
/// Signs a slot for a given validator.
///
/// This is used to subscribe a validator to a beacon node and is used to determine if the
@@ -217,19 +239,4 @@ impl<T: SlotClock + 'static, E: EthSpec> ValidatorStore<T, E> {
Some(Signature::new(message.as_bytes(), &voting_keypair.sk))
}
/// Signs an `AggregateAndProof` for a given validator.
///
/// The resulting `SignedAggregateAndProof` is sent on the aggregation channel and cannot be
/// modified by actors other than the signing validator.
pub fn sign_aggregate_and_proof(
&self,
validator_pubkey: &PublicKey,
aggregate_and_proof: AggregateAndProof<E>,
) -> Option<SignedAggregateAndProof<E>> {
let validators = self.validators.read();
let voting_keypair = validators.get(validator_pubkey)?.voting_keypair.as_ref()?;
Some(aggregate_and_proof.into_signed(&voting_keypair.sk, &self.fork()?))
}
}