Function run_two_gateways_strategy

pub(crate) async fn run_two_gateways_strategy(
    prefix: &str,
    invoice_generation: &mut LnInvoiceGeneration,
    invoice_amount: &Amount,
    event_sender: &UnboundedSender<MetricEvent>,
    client: &ClientHandleArc,
    ln_gateway: Option<LightningGateway>,
) -> Result<(), Error>