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Short-circuit router for an outbound specified direct channel

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This commit is contained in:
Matt Corallo 2018-07-23 21:51:19 -04:00
parent 7580b721ee
commit ccf18e1b47
1 changed files with 12 additions and 1 deletions
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13
src/ln/router.rs
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@ -403,7 +403,18 @@ impl Router {
let mut first_hop_targets = HashMap::with_capacity(if first_hops.is_some() { first_hops.as_ref().unwrap().len() } else { 0 });
if let Some(hops) = first_hops {
for chan in hops {
first_hop_targets.insert(chan.remote_network_id, chan.short_channel_id.expect("first_hops should be filled in with usable channels, not pending ones"));
let short_channel_id = chan.short_channel_id.expect("first_hops should be filled in with usable channels, not pending ones");
if chan.remote_network_id == *target {
return Ok(Route {
hops: vec![RouteHop {
pubkey: chan.remote_network_id,
short_channel_id,
fee_msat: final_value_msat,
cltv_expiry_delta: final_cltv,
}],
});
}
first_hop_targets.insert(chan.remote_network_id, short_channel_id);
}
if first_hop_targets.is_empty() {
return Err(HandleError{err: "Cannot route when there are no outbound routes away from us", action: None});