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proposer preferences SSE event

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This commit is contained in:
Eitan Seri- Levi
2026-05-16 08:08:30 -07:00
parent 1a68631180
commit a5bd456a58
5 changed files with 45 additions and 0 deletions
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15
beacon_node/beacon_chain/src/events.rs
View File

@@ -29,6 +29,7 @@ pub struct ServerSentEventHandler<E: EthSpec> {
execution_payload_gossip_tx: Sender<EventKind<E>>,
execution_payload_available_tx: Sender<EventKind<E>>,
execution_payload_bid_tx: Sender<EventKind<E>>,
proposer_preferences_tx: Sender<EventKind<E>>,
payload_attestation_message_tx: Sender<EventKind<E>>,
}
@@ -60,6 +61,7 @@ impl<E: EthSpec> ServerSentEventHandler<E> {
let (execution_payload_gossip_tx, _) = broadcast::channel(capacity);
let (execution_payload_available_tx, _) = broadcast::channel(capacity);
let (execution_payload_bid_tx, _) = broadcast::channel(capacity);
let (proposer_preferences_tx, _) = broadcast::channel(capacity);
let (payload_attestation_message_tx, _) = broadcast::channel(capacity);
Self {
@@ -85,6 +87,7 @@ impl<E: EthSpec> ServerSentEventHandler<E> {
execution_payload_gossip_tx,
execution_payload_available_tx,
execution_payload_bid_tx,
proposer_preferences_tx,
payload_attestation_message_tx,
}
}
@@ -186,6 +189,10 @@ impl<E: EthSpec> ServerSentEventHandler<E> {
.execution_payload_bid_tx
.send(kind)
.map(|count| log_count("execution payload bid", count)),
EventKind::ProposerPreferences(_) => self
.proposer_preferences_tx
.send(kind)
.map(|count| log_count("proposer preferences", count)),
EventKind::PayloadAttestationMessage(_) => self
.payload_attestation_message_tx
.send(kind)
@@ -284,6 +291,10 @@ impl<E: EthSpec> ServerSentEventHandler<E> {
self.execution_payload_bid_tx.subscribe()
}
pub fn subscribe_proposer_preferences(&self) -> Receiver<EventKind<E>> {
self.proposer_preferences_tx.subscribe()
}
pub fn subscribe_payload_attestation_message(&self) -> Receiver<EventKind<E>> {
self.payload_attestation_message_tx.subscribe()
}
@@ -368,6 +379,10 @@ impl<E: EthSpec> ServerSentEventHandler<E> {
self.execution_payload_bid_tx.receiver_count() > 0
}
pub fn has_proposer_preferences_subscribers(&self) -> bool {
self.proposer_preferences_tx.receiver_count() > 0
}
pub fn has_payload_attestation_message_subscribers(&self) -> bool {
self.payload_attestation_message_tx.receiver_count() > 0
}

14
beacon_node/beacon_chain/src/proposer_preferences_verification/gossip_verified_proposer_preferences.rs
View File

@@ -6,6 +6,7 @@ use crate::{
ProposerPreferencesError, proposer_preference_cache::GossipVerifiedProposerPreferenceCache,
},
};
use eth2::types::{EventKind, ForkVersionedResponse};
use slot_clock::SlotClock;
use state_processing::signature_sets::{get_pubkey_from_state, proposer_preferences_signature_set};
use tracing::debug;
@@ -137,6 +138,19 @@ impl<T: BeaconChainTypes> BeaconChain<T> {
%validator_index,
"Successfully verified gossip proposer preferences"
);
if let Some(event_handler) = self.event_handler.as_ref()
&& event_handler.has_proposer_preferences_subscribers()
{
event_handler.register(EventKind::ProposerPreferences(Box::new(
ForkVersionedResponse {
version: self.spec.fork_name_at_slot::<T::EthSpec>(proposal_slot),
metadata: Default::default(),
data: (*verified.signed_preferences).clone(),
},
)));
}
Ok(verified)
}
Err(e) => {