let payment_preimage = send_along_route(&nodes[0], route, &[&nodes[1]], 3_000_000).0;
let payment_params = PaymentParameters::from_node_id(nodes[0].node.get_our_node_id(), 50).with_features(nodes[0].node.invoice_features());
let route = get_route(&nodes[1].node.get_our_node_id(), &payment_params, &nodes[1].network_graph.read_only(), None,
let payment_preimage = send_along_route(&nodes[0], route, &[&nodes[1]], 3_000_000).0;
let payment_params = PaymentParameters::from_node_id(nodes[0].node.get_our_node_id(), 50).with_features(nodes[0].node.invoice_features());
let route = get_route(&nodes[1].node.get_our_node_id(), &payment_params, &nodes[1].network_graph.read_only(), None,