Merge pull request #2042 from ffaex/add_fn

[rust-lightning] / lightning / src / routing / router.rs

diff --git a/lightning/src/routing/router.rs b/lightning/src/routing/router.rs
index f82ddc80a11abaecf334c04a8110c9c485f696e7..a83af28fcd62f9cae1ae268011ea5218d274c136 100644 (file)
--- a/lightning/src/routing/router.rs
+++ b/lightning/src/routing/router.rs
@@ -204,6 +204,15 @@ impl InFlightHtlcs {
                }
        }
 
+       /// Adds a known HTLC given the public key of the HTLC source, target, and short channel
+       /// id.
+       pub fn add_inflight_htlc(&mut self, source: &NodeId, target: &NodeId, channel_scid: u64, used_msat: u64){
+               self.0
+                       .entry((channel_scid, source < target))
+                       .and_modify(|used_liquidity_msat| *used_liquidity_msat += used_msat)
+                       .or_insert(used_msat);
+       }
+
        /// Returns liquidity in msat given the public key of the HTLC source, target, and short channel
        /// id.
        pub fn used_liquidity_msat(&self, source: &NodeId, target: &NodeId, channel_scid: u64) -> Option<u64> {