ConstructMessage constructs the p2p message as [messageType, contentSize, content].

NewHost ..

MaxMessageHandlers ..

MaxMessageSize is 2Mb.

SetAsideForConsensus set the number of active validation goroutines for the consensus topic.

SetAsideOtherwise set the number of active validation goroutines for other topic.

Counter is a wrapper around a metrics.BandwidthCounter that meters both the inbound and outbound network traffic.

HostConfig is the config structure to create a new host.

HostV2 is the version 2 p2p host.

NamedTopic represents pubsub topic Name is the human readable topic, groupID.

Peer is the object for a p2p peer (node).

Host is the client + server in p2p network.