bus.md

Bus

The bus provides a way to subscribe to events from any of the services running. It's implemented abstract from transport specific implementation. The primary use of the bus in b2x-node is for subscribing to events via a web socket.

Opening/Closing

// a node is needed to be able to open a bus
var node = new Node(configuration);

// will create a new bus that is ready to subscribe to events
var bus = node.openBus();

// will remove all event listeners
bus.close();

Subscribing/Unsubscribing

// subscribe to all transaction events
bus.subscribe('bitcoind/rawtransaction');

// to subscribe to new block hashes
bus.subscribe('bitcoind/hashblock');

// unsubscribe
bus.unsubscribe('bitcoind/rawtransaction');