NewPubsub constructs a basic libp2p pubsub module for use with the drand client.

NewWithPubsub creates a gossip randomness client.

PubSubTopic generates a drand pubsub topic from a chain hash.

WithPubsub provides an option for integrating pubsub notification into a drand client.

WatchBufferSize controls how many incoming messages can be in-flight until they start to be dropped by the library when using Client.Watch.

Client is a concrete pubsub client implementation.

UnsubFunc is a cancel function for pubsub subscription.