+ let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_announcement.encode()[..])[..]);
+ let valid_channel_announcement = ChannelAnnouncement {
+ node_signature_1: secp_ctx.sign(&msghash, node_1_privkey),
+ node_signature_2: secp_ctx.sign(&msghash, node_2_privkey),
+ bitcoin_signature_1: secp_ctx.sign(&msghash, node_1_btckey),
+ bitcoin_signature_2: secp_ctx.sign(&msghash, node_2_btckey),
+ contents: unsigned_announcement.clone(),
+ };
+ match router.handle_channel_announcement(&valid_channel_announcement) {
+ Ok(_) => (),
+ Err(_) => panic!()
+ };
+ }
+
+ // Contains initial channel announcement now.
+ let channels_with_announcements = router.get_next_channel_announcements(channel_key, 1);
+ assert_eq!(channels_with_announcements.len(), 1);
+ if let Some(channel_announcements) = channels_with_announcements.first() {
+ let &(_, ref update_1, ref update_2) = channel_announcements;
+ assert_eq!(update_1, &None);
+ assert_eq!(update_2, &None);
+ } else {
+ panic!();
+ }
+
+
+ {
+ // Valid channel update
+ let unsigned_channel_update = UnsignedChannelUpdate {
+ chain_hash,
+ short_channel_id,
+ timestamp: 101,
+ flags: 0,
+ cltv_expiry_delta: 144,
+ htlc_minimum_msat: 1000000,
+ fee_base_msat: 10000,
+ fee_proportional_millionths: 20,
+ excess_data: Vec::new()
+ };
+ let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
+ let valid_channel_update = ChannelUpdate {
+ signature: secp_ctx.sign(&msghash, node_1_privkey),
+ contents: unsigned_channel_update.clone()
+ };
+ match router.handle_channel_update(&valid_channel_update) {
+ Ok(_) => (),
+ Err(_) => panic!()
+ };
+ }
+
+ // Now contains an initial announcement and an update.
+ let channels_with_announcements = router.get_next_channel_announcements(channel_key, 1);
+ assert_eq!(channels_with_announcements.len(), 1);
+ if let Some(channel_announcements) = channels_with_announcements.first() {
+ let &(_, ref update_1, ref update_2) = channel_announcements;
+ assert_ne!(update_1, &None);
+ assert_eq!(update_2, &None);
+ } else {
+ panic!();
+ }
+
+
+ {
+ // Channel update with excess data.
+ let unsigned_channel_update = UnsignedChannelUpdate {
+ chain_hash,
+ short_channel_id,
+ timestamp: 102,
+ flags: 0,
+ cltv_expiry_delta: 144,
+ htlc_minimum_msat: 1000000,
+ fee_base_msat: 10000,
+ fee_proportional_millionths: 20,
+ excess_data: [1; 3].to_vec()
+ };
+ let msghash = hash_to_message!(&Sha256dHash::hash(&unsigned_channel_update.encode()[..])[..]);
+ let valid_channel_update = ChannelUpdate {
+ signature: secp_ctx.sign(&msghash, node_1_privkey),
+ contents: unsigned_channel_update.clone()
+ };
+ match router.handle_channel_update(&valid_channel_update) {
+ Ok(_) => (),
+ Err(_) => panic!()
+ };
+ }
+
+ // Test that announcements with excess data won't be returned
+ let channels_with_announcements = router.get_next_channel_announcements(channel_key, 1);
+ assert_eq!(channels_with_announcements.len(), 1);
+ if let Some(channel_announcements) = channels_with_announcements.first() {
+ let &(_, ref update_1, ref update_2) = channel_announcements;
+ assert_eq!(update_1, &None);
+ assert_eq!(update_2, &None);
+ } else {
+ panic!();
+ }
+
+ // Further starting point have no channels after it
+ let channels_with_announcements = router.get_next_channel_announcements(channel_key + 1000, 1);
+ assert_eq!(channels_with_announcements.len(), 0);
+ }