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Sends discovery for persistent subnets (#973)

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Age Manning 2020-03-31 13:54:27 +11:00
parent 7305e9e5d9
commit d766b7fa48
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GPG Key ID: 05EED64B79E06A93
1 changed files with 6 additions and 2 deletions
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8
beacon_node/network/src/attestation_service/mod.rs
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@ -27,9 +27,9 @@ const TARGET_PEER_DISCOVERY_SLOT_LOOK_AHEAD: u64 = 6;
const LAST_SEEN_VALIDATOR_TIMEOUT: u32 = 150; // 30 mins at a 12s slot time
/// The fraction of a slot that we subscribe to a subnet before the required slot.
///
/// Note: The time is calculated as `time = milliseconds_per_slot / ADVANCE_SUBSCRIPTION_TIME`
/// Note: The time is calculated as `time = milliseconds_per_slot / ADVANCE_SUBSCRIPTION_TIME`.
const ADVANCE_SUBSCRIBE_TIME: u32 = 3;
/// The the default number of slots before items in hash delay sets used by this class should expire
/// The default number of slots before items in hash delay sets used by this class should expire.
const DEFAULT_EXPIRATION_TIMEOUT: u32 = 3; // 36s at 12s slot time
#[derive(Debug, PartialEq)]
@ -425,6 +425,10 @@ impl<T: BeaconChainTypes> AttestationService<T> {
.find(|topic| topic.kind() == topic_kind)
{
// not already subscribed to the topic
// send a discovery request and a subscription
self.events
.push_back(AttServiceMessage::DiscoverPeers(subnet_id));
self.events
.push_back(AttServiceMessage::Subscribe(subnet_id));
}