Move gossipsub into a separate crate (#5401)

* move gossipsub into a separate crate

* Merge branch 'unstable' of github.com:sigp/lighthouse into separate-gossipsub

* address review 2

* clippy beta

* update logging to log gossipsub logs

beacon_node/lighthouse_network/src/service/behaviour.rs

@@ -3,7 +3,6 @@ use crate::peer_manager::PeerManager;
 use crate::rpc::{ReqId, RPC};
 use crate::types::SnappyTransform;
 
-use crate::gossipsub;
 use libp2p::identify;
 use libp2p::swarm::behaviour::toggle::Toggle;
 use libp2p::swarm::NetworkBehaviour;

beacon_node/lighthouse_network/src/service/gossipsub_scoring_parameters.rs

@@ -1,9 +1,9 @@
-use crate::gossipsub::{
+use crate::types::{GossipEncoding, GossipKind, GossipTopic};
+use crate::{error, TopicHash};
+use gossipsub::{
     Config as GossipsubConfig, IdentTopic as Topic, PeerScoreParams, PeerScoreThresholds,
     TopicScoreParams,
 };
-use crate::types::{GossipEncoding, GossipKind, GossipTopic};
-use crate::{error, TopicHash};
 use std::cmp::max;
 use std::collections::HashMap;
 use std::marker::PhantomData;

beacon_node/lighthouse_network/src/service/mod.rs

@@ -4,10 +4,6 @@ use crate::config::{gossipsub_config, GossipsubConfigParams, NetworkLoad};
 use crate::discovery::{
     subnet_predicate, DiscoveredPeers, Discovery, FIND_NODE_QUERY_CLOSEST_PEERS,
 };
-use crate::gossipsub::{
-    self, IdentTopic as Topic, MessageAcceptance, MessageAuthenticity, MessageId, PublishError,
-    TopicScoreParams,
-};
 use crate::peer_manager::{
     config::Config as PeerManagerCfg, peerdb::score::PeerAction, peerdb::score::ReportSource,
     ConnectionDirection, PeerManager, PeerManagerEvent,
@@ -27,6 +23,10 @@ use crate::Eth2Enr;
 use crate::{error, metrics, Enr, NetworkGlobals, PubsubMessage, TopicHash};
 use api_types::{PeerRequestId, Request, RequestId, Response};
 use futures::stream::StreamExt;
+use gossipsub::{
+    IdentTopic as Topic, MessageAcceptance, MessageAuthenticity, MessageId, PublishError,
+    TopicScoreParams,
+};
 use gossipsub_scoring_parameters::{lighthouse_gossip_thresholds, PeerScoreSettings};
 use libp2p::multiaddr::{self, Multiaddr, Protocol as MProtocol};
 use libp2p::swarm::behaviour::toggle::Toggle;

beacon_node/lighthouse_network/src/service/utils.rs

@@ -1,4 +1,3 @@
-use crate::gossipsub;
 use crate::multiaddr::Protocol;
 use crate::rpc::{MetaData, MetaDataV1, MetaDataV2};
 use crate::types::{