#Lightning Cluster A load balanching and caching service for production lightning nodes. ```rust #[tokio::main] async fn main() { let node1 = Node { pubkey: dotenvy::var("NODE1_PUBKEY").unwrap(), ip: dotenvy::var("NODE1_IP").unwrap(), port: dotenvy::var("NODE1_PORT").unwrap(), network: NodeNetwork::Testnet, lightning_impl: NodeLightningImpl::Lnd, client: NodeClient::Lnd(LndClient::new( dotenvy::var("NODE1_HOST").unwrap(), dotenvy::var("NODE1_CERT_PATH").unwrap(), dotenvy::var("NODE1_MACAROON_PATH").unwrap(), )), }; let nodes = vec![node1]; let cluster = cluster::Cluster::new(nodes); let req = ClusterAddInvoice { pubkey: None, memo: String::from("test"), value: 1000, expiry: 1000, }; let invoice = cluster.add_invoice(req, None).await.unwrap(); let get_invoice = cluster.lookup_invoice(&invoice.r_hash, None).await.unwrap(); println!("{:?}", get_invoice); } ```