pub short_channel_id: Option<u64>,
/// The node_id of our counterparty
pub remote_network_id: PublicKey,
+ /// The Features the channel counterparty provided upon last connection.
+ /// Useful for routing as it is the most up-to-date copy of the counterparty's features and
+ /// many routing-relevant features are present in the init context.
+ pub counterparty_features: InitFeatures,
/// The value, in satoshis, of this channel as appears in the funding output
pub channel_value_satoshis: u64,
/// The user_id passed in to create_channel, or 0 if the channel was inbound.
/// Gets the list of open channels, in random order. See ChannelDetail field documentation for
/// more information.
pub fn list_channels(&self) -> Vec<ChannelDetails> {
- let channel_state = self.channel_state.lock().unwrap();
- let mut res = Vec::with_capacity(channel_state.by_id.len());
- for (channel_id, channel) in channel_state.by_id.iter() {
- let (inbound_capacity_msat, outbound_capacity_msat) = channel.get_inbound_outbound_available_balance_msat();
- res.push(ChannelDetails {
- channel_id: (*channel_id).clone(),
- short_channel_id: channel.get_short_channel_id(),
- remote_network_id: channel.get_their_node_id(),
- channel_value_satoshis: channel.get_value_satoshis(),
- inbound_capacity_msat,
- outbound_capacity_msat,
- user_id: channel.get_user_id(),
- is_live: channel.is_live(),
- });
- }
- res
- }
-
- /// Gets the list of usable channels, in random order. Useful as an argument to
- /// Router::get_route to ensure non-announced channels are used.
- ///
- /// These are guaranteed to have their is_live value set to true, see the documentation for
- /// ChannelDetails::is_live for more info on exactly what the criteria are.
- pub fn list_usable_channels(&self) -> Vec<ChannelDetails> {
- let channel_state = self.channel_state.lock().unwrap();
- let mut res = Vec::with_capacity(channel_state.by_id.len());
- for (channel_id, channel) in channel_state.by_id.iter() {
- // Note we use is_live here instead of usable which leads to somewhat confused
- // internal/external nomenclature, but that's ok cause that's probably what the user
- // really wanted anyway.
- if channel.is_live() {
+ let mut res = Vec::new();
+ {
+ let channel_state = self.channel_state.lock().unwrap();
+ res.reserve(channel_state.by_id.len());
+ for (channel_id, channel) in channel_state.by_id.iter() {
let (inbound_capacity_msat, outbound_capacity_msat) = channel.get_inbound_outbound_available_balance_msat();
res.push(ChannelDetails {
channel_id: (*channel_id).clone(),
short_channel_id: channel.get_short_channel_id(),
remote_network_id: channel.get_their_node_id(),
+ counterparty_features: InitFeatures::empty(),
channel_value_satoshis: channel.get_value_satoshis(),
inbound_capacity_msat,
outbound_capacity_msat,
user_id: channel.get_user_id(),
- is_live: true,
+ is_live: channel.is_live(),
});
}
}
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ for chan in res.iter_mut() {
+ if let Some(peer_state) = per_peer_state.get(&chan.remote_network_id) {
+ chan.counterparty_features = peer_state.lock().unwrap().latest_features.clone();
+ }
+ }
+ res
+ }
+
+ /// Gets the list of usable channels, in random order. Useful as an argument to
+ /// Router::get_route to ensure non-announced channels are used.
+ ///
+ /// These are guaranteed to have their is_live value set to true, see the documentation for
+ /// ChannelDetails::is_live for more info on exactly what the criteria are.
+ pub fn list_usable_channels(&self) -> Vec<ChannelDetails> {
+ let mut res = Vec::new();
+ {
+ let channel_state = self.channel_state.lock().unwrap();
+ res.reserve(channel_state.by_id.len());
+ for (channel_id, channel) in channel_state.by_id.iter() {
+ // Note we use is_live here instead of usable which leads to somewhat confused
+ // internal/external nomenclature, but that's ok cause that's probably what the user
+ // really wanted anyway.
+ if channel.is_live() {
+ let (inbound_capacity_msat, outbound_capacity_msat) = channel.get_inbound_outbound_available_balance_msat();
+ res.push(ChannelDetails {
+ channel_id: (*channel_id).clone(),
+ short_channel_id: channel.get_short_channel_id(),
+ remote_network_id: channel.get_their_node_id(),
+ counterparty_features: InitFeatures::empty(),
+ channel_value_satoshis: channel.get_value_satoshis(),
+ inbound_capacity_msat,
+ outbound_capacity_msat,
+ user_id: channel.get_user_id(),
+ is_live: true,
+ });
+ }
+ }
+ }
+ let per_peer_state = self.per_peer_state.read().unwrap();
+ for chan in res.iter_mut() {
+ if let Some(peer_state) = per_peer_state.get(&chan.remote_network_id) {
+ chan.counterparty_features = peer_state.lock().unwrap().latest_features.clone();
+ }
+ }
res
}