Function BuildEvent

internal/eventutil/events.go:58–77

BuildEvent builds a Matrix event from the builder and QueryLatestEventsAndStateResponse provided.

(
	ctx context.Context,
	builder *gomatrixserverlib.EventBuilder, cfg *config.Global, evTime time.Time,
	eventsNeeded *gomatrixserverlib.StateNeeded, queryRes *api.QueryLatestEventsAndStateResponse,
)

// BuildEvent builds a Matrix event from the builder and QueryLatestEventsAndStateResponse
// provided.
func BuildEvent(
	ctx context.Context,
	builder *gomatrixserverlib.EventBuilder, cfg *config.Global, evTime time.Time,
	eventsNeeded *gomatrixserverlib.StateNeeded, queryRes *api.QueryLatestEventsAndStateResponse,
) (*gomatrixserverlib.HeaderedEvent, error) {
	err := addPrevEventsToEvent(builder, eventsNeeded, queryRes)
	if err != nil {
		return nil, err
	}

	event, err := builder.Build(
		evTime, cfg.ServerName, cfg.KeyID,
		cfg.PrivateKey, queryRes.RoomVersion,
	)
	if err != nil {
		return nil, err
	}

	return event.Headered(queryRes.RoomVersion), nil
}

// queryRequiredEventsForBuilder queries the roomserver for auth/prev events needed for this builder.
func queryRequiredEventsForBuilder(