NewSubscriptionMapper initializes an empty map for subscriptions.

MatchAddress signals that events will be filtered by (address).

MatchAddressIdentifier signals that events will be filtered by (address,identifier).

MatchAll signals that all events will be matched.

MatchIdentifier signals that events will be filtered by (identifier).

MatchTopics signals that events will be filtered by (address,identifier,[topics_pattern]).

SubscriptionMapper defines a subscriptions manager component.

EventDispatcher defines the behaviour of a event dispatcher component.

Hub defines the behaviour of a hub component which should be able to register and unregister dispatching events.

SubscriptionMapperHandler defines the behaviour of a subscription mapper.

WSConnection defines the behaviour of a websocket connection.

WSHandler defines the behaviour of a websocket handler.

WSUpgrader defines the behaviour of a websocket upgrader.