pub async fn create_invoice_for_self(
client: &GatewayRpcClient,
payload: CreateInvoiceForOperatorPayload,
) -> GatewayRpcResult<Bolt11Invoice>pub async fn create_invoice_for_self(
client: &GatewayRpcClient,
payload: CreateInvoiceForOperatorPayload,
) -> GatewayRpcResult<Bolt11Invoice>