+ fn do_create_invoice_min_final_cltv_delta(with_custom_delta: bool) {
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+ let custom_min_final_cltv_expiry_delta = Some(50);
+
+ let invoice = crate::utils::create_invoice_from_channelmanager_and_duration_since_epoch(
+ &nodes[1].node, nodes[1].keys_manager, nodes[1].logger, Currency::BitcoinTestnet,
+ Some(10_000), "".into(), Duration::from_secs(1234567), 3600,
+ if with_custom_delta { custom_min_final_cltv_expiry_delta } else { None },
+ ).unwrap();
+ assert_eq!(invoice.min_final_cltv_expiry_delta(), if with_custom_delta {
+ custom_min_final_cltv_expiry_delta.unwrap() + 3 /* Buffer */} else { MIN_FINAL_CLTV_EXPIRY_DELTA } as u64);
+ }
+
+ #[test]
+ fn test_create_invoice_custom_min_final_cltv_delta() {
+ do_create_invoice_min_final_cltv_delta(true);
+ do_create_invoice_min_final_cltv_delta(false);
+ }
+
+ #[test]
+ fn create_invoice_min_final_cltv_delta_equals_htlc_fail_buffer() {
+ let chanmon_cfgs = create_chanmon_cfgs(2);
+ let node_cfgs = create_node_cfgs(2, &chanmon_cfgs);
+ let node_chanmgrs = create_node_chanmgrs(2, &node_cfgs, &[None, None]);
+ let nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+ let custom_min_final_cltv_expiry_delta = Some(21);
+
+ let invoice = crate::utils::create_invoice_from_channelmanager_and_duration_since_epoch(
+ &nodes[1].node, nodes[1].keys_manager, nodes[1].logger, Currency::BitcoinTestnet,
+ Some(10_000), "".into(), Duration::from_secs(1234567), 3600,
+ custom_min_final_cltv_expiry_delta,
+ ).unwrap();
+ assert_eq!(invoice.min_final_cltv_expiry_delta(), MIN_FINAL_CLTV_EXPIRY_DELTA as u64);
+ }
+