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Subscribe to all required gossipsub topics

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This commit is contained in:
Age Manning
2019-08-08 12:06:46 +10:00
parent ce50616032
commit d83fa67068
3 changed files with 29 additions and 12 deletions
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24
beacon_node/eth2-libp2p/src/service.rs
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@@ -1,10 +1,10 @@
use crate::behaviour::{Behaviour, BehaviourEvent, PubsubMessage};
use crate::config::*;
use crate::error;
use crate::multiaddr::Protocol;
use crate::rpc::RPCEvent;
use crate::NetworkConfig;
use crate::{Topic, TopicHash};
use crate::{BEACON_ATTESTATION_TOPIC, BEACON_BLOCK_TOPIC};
use futures::prelude::*;
use futures::Stream;
use libp2p::core::{
@@ -87,10 +87,24 @@ impl Service {
// subscribe to default gossipsub topics
let mut topics = vec![];
//TODO: Handle multiple shard attestations. For now we simply use a separate topic for
// attestations
topics.push(Topic::new(BEACON_ATTESTATION_TOPIC.into()));
topics.push(Topic::new(BEACON_BLOCK_TOPIC.into()));
/* Here we subscribe to all the required gossipsub topics required for interop.
* The topic builder adds the required prefix and postfix to the hardcoded topics that we
* must subscribe to.
*/
let topic_builder = |topic| {
Topic::new(format!(
"/{}/{}/{}",
TOPIC_PREFIX, topic, TOPIC_ENCODING_POSTFIX,
))
};
topics.push(topic_builder(BEACON_BLOCK_TOPIC));
topics.push(topic_builder(BEACON_ATTESTATION_TOPIC));
topics.push(topic_builder(VOLUNTARY_EXIT_TOPIC));
topics.push(topic_builder(PROPOSER_SLASHING_TOPIC));
topics.push(topic_builder(ATTESTER_SLASHING_TOPIC));
// Add any topics specified by the user
topics.append(
&mut config
.topics