MetricsSubsystem is a subsystem shared by all metrics exposed by this package.

Namespace is the metrics namespace //todo: figure out if this can be used better.

PeerIDLabel holds the name we use to add a protocol label value.

ProtocolLabel holds the name we use to add a protocol label value.

AddrbookSize is the current size of the discovery.

InboundPeers is the number of inbound peers we have connected.

InvalidGossipMessages is a metric for invalid messages received.

NewGossipMessages is a metric for newly received gossip messages.

OldGossipMessages is a metric for old messages received (duplicates).

OutboundPeers is the number of outbound peers we have connected.

PeerRecv is the num of bytes received from peer.

PeerSend is the num of bytes sent to peer.

PropagationQueueLen is the current size of the gossip queue.

QueueLength is the current size of protocol queues.