let (our_payment_preimage, our_payment_hash) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
// Provide preimage to node 2 by claiming payment
let (our_payment_preimage, our_payment_hash) = route_payment(&nodes[0], &[&nodes[1], &nodes[2]], 1000000);
// Provide preimage to node 2 by claiming payment
check_added_monitors!(nodes[2], 1);
get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());
check_added_monitors!(nodes[2], 1);
get_htlc_update_msgs!(nodes[2], nodes[1].node.get_our_node_id());