status-im/status-go

package signal

const (
    // EventDiscoveryStarted is sent when node discv5 was started.
    EventDiscoveryStarted = "discovery.started"
    // EventDiscoveryStopped is sent when discv5 server was stopped.
    EventDiscoveryStopped = "discovery.stopped"

    // EventDiscoverySummary is sent when peer is added or removed.
    // it will be a map with capability=peer count k/v's.
    EventDiscoverySummary = "discovery.summary"
)

// SendDiscoveryStarted sends discovery.started signal.
func SendDiscoveryStarted() {
    send(EventDiscoveryStarted, nil)
}

// SendDiscoveryStopped sends discovery.stopped signal.
func SendDiscoveryStopped() {
    send(EventDiscoveryStopped, nil)
}

// SendDiscoverySummary sends discovery.summary signal.
func SendDiscoverySummary(summary interface{}) {
    send(EventDiscoverySummary, summary)
}