Add test_update_add_htlc_bolt2_receiver_zero_value_msat

diff --git a/lightning/src/ln/functional_tests.rs b/lightning/src/ln/functional_tests.rs
index 4dc7e5e1219816d14114ced2f7dbd6b2768def75..f5462c2aa645108b3a17e33506a9ae6a5c0bcc24 100644 (file)
--- a/lightning/src/ln/functional_tests.rs
+++ b/lightning/src/ln/functional_tests.rs
@@ -5532,6 +5532,27 @@ fn test_update_add_htlc_bolt2_sender_zero_value_msat() {
        nodes[0].logger.assert_log("lightning::ln::channelmanager".to_string(), "Cannot send 0-msat HTLC".to_string(), 1);
 }
 
+#[test]
+fn test_update_add_htlc_bolt2_receiver_zero_value_msat() {
+       //BOLT2 Requirement: MUST offer amount_msat greater than 0.
+       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 mut nodes = create_network(2, &node_cfgs, &node_chanmgrs);
+       let _chan = create_announced_chan_between_nodes_with_value(&nodes, 0, 1, 100000, 95000000, InitFeatures::supported(), InitFeatures::supported());
+       let route = nodes[0].router.get_route(&nodes[1].node.get_our_node_id(), None, &[], 100000, TEST_FINAL_CLTV).unwrap();
+       let (_, our_payment_hash) = get_payment_preimage_hash!(nodes[0]);
+
+       nodes[0].node.send_payment(route, our_payment_hash);
+       check_added_monitors!(nodes[0], 1);
+       let mut updates = get_htlc_update_msgs!(nodes[0], nodes[1].node.get_our_node_id());
+       updates.update_add_htlcs[0].amount_msat = 0;
+
+       nodes[1].node.handle_update_add_htlc(&nodes[0].node.get_our_node_id(), &updates.update_add_htlcs[0]);
+       nodes[1].logger.assert_log("lightning::ln::channelmanager".to_string(), "Remote side tried to send a 0-msat HTLC".to_string(), 1);
+       check_closed_broadcast!(nodes[1], true).unwrap();
+}
+
 #[test]
 fn test_update_add_htlc_bolt2_sender_cltv_expiry_too_high() {
        //BOLT 2 Requirement: MUST set cltv_expiry less than 500000000.