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Implement sync committee selection endpoint

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This commit is contained in:
Tan Chee Keong
2025-03-24 14:12:34 +08:00
parent 8b2f058d7b
commit 1631c860dc
6 changed files with 169 additions and 55 deletions
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186
validator_client/validator_services/src/sync.rs
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@@ -1,5 +1,6 @@
use crate::duties_service::{DutiesService, Error};
use doppelganger_service::DoppelgangerStatus;
use eth2::types::SyncCommitteeSelection;
use futures::future::join_all;
use parking_lot::{MappedRwLockReadGuard, RwLock, RwLockReadGuard, RwLockWriteGuard};
use slog::{crit, debug, info, warn};
@@ -542,61 +543,140 @@ pub async fn fill_in_aggregation_proofs<T: SlotClock + 'static, E: EthSpec>(
// Create futures to produce proofs.
let duties_service_ref = &duties_service;
let futures = subnet_ids.iter().map(|subnet_id| async move {
// Construct proof for prior slot.
let proof_slot = slot - 1;
let futures = subnet_ids.iter().map(|subnet_id| {
let duties_service = duties_service.clone();
async move {
// Construct proof for prior slot.
let proof_slot = slot - 1;
let proof = match duties_service_ref
.validator_store
.produce_sync_selection_proof(&duty.pubkey, proof_slot, *subnet_id)
.await
{
Ok(proof) => proof,
Err(ValidatorStoreError::UnknownPubkey(pubkey)) => {
// A pubkey can be missing when a validator was recently
// removed via the API.
debug!(
log,
"Missing pubkey for sync selection proof";
"pubkey" => ?pubkey,
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
);
return None;
}
Err(e) => {
warn!(
log,
"Unable to sign selection proof";
"error" => ?e,
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
);
return None;
}
};
let proof = if duties_service.distributed {
let sync_selection_proof = SyncCommitteeSelection {
validator_index: duty.validator_index,
slot: proof_slot,
subcommittee_index: **subnet_id,
selection_proof: match duties_service_ref
.validator_store
.produce_sync_selection_proof(&duty.pubkey, proof_slot, *subnet_id)
.await
{
Ok(proof) => proof.into(),
Err(e) => {
return match e {
ValidatorStoreError::UnknownPubkey(pubkey) => {
debug!(
log,
"Missing pubkey for sync selection proof";
"pubkey" => ?pubkey,
"slot" => proof_slot,
);
None
}
_ => {
warn!(
log,
"Unable to sign selection proof";
"error" => ?e,
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
);
None
}
};
}
},
};
match proof.is_aggregator::<E>() {
Ok(true) => {
debug!(
log,
"Validator is sync aggregator";
"validator_index" => duty.validator_index,
"slot" => proof_slot,
"subnet_id" => %subnet_id,
);
Some(((proof_slot, *subnet_id), proof))
}
Ok(false) => None,
Err(e) => {
warn!(
log,
"Error determining is_aggregator";
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
"error" => ?e,
);
None
let response = match duties_service
.beacon_nodes
.first_success(|beacon_node| {
let selection = sync_selection_proof.clone();
debug!(
log,
"Partial sync selection proof from VC";
"Sync selection proof" => ?selection,
);
async move {
let response = beacon_node
.post_validator_sync_committee_selections(&[selection])
.await;
debug!(
log,
"Response from middleware for sync";
"response" => ?response,
);
response
}
})
.await
{
Ok(response) => response,
Err(e) => {
warn! {
log,
"Unable to sign selection proof in middleware level";
"error" => %e,
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
};
return None;
}
};
SyncSelectionProof::from(response.data[0].selection_proof.clone())
} else {
match duties_service_ref
.validator_store
.produce_sync_selection_proof(&duty.pubkey, proof_slot, *subnet_id)
.await
{
Ok(proof) => proof,
Err(ValidatorStoreError::UnknownPubkey(pubkey)) => {
// A pubkey can be missing when a validator was recently
// removed via the API.
debug!(
log,
"Missing pubkey for sync selection proof";
"pubkey" => ?pubkey,
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
);
return None;
}
Err(e) => {
warn!(
log,
"Unable to sign selection proof";
"error" => ?e,
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
);
return None;
}
}
};
match proof.is_aggregator::<E>() {
Ok(true) => {
debug!(
log,
"Validator is sync aggregator";
"validator_index" => duty.validator_index,
"slot" => proof_slot,
"subnet_id" => %subnet_id,
);
Some(((proof_slot, *subnet_id), proof))
}
Ok(false) => None,
Err(e) => {
warn!(
log,
"Error determining is_aggregator";
"pubkey" => ?duty.pubkey,
"slot" => proof_slot,
"error" => ?e,
);
None
}
}
}
});