Some match -> if let replacement

[rust-lightning] / src / ln / channelmanager.rs

diff --git a/src/ln/channelmanager.rs b/src/ln/channelmanager.rs
index 707a262b14b0b7eb3cced0c174cde63b886f37cd..b1013ad1207ac4b34108ae908d94579c0238f687 100644 (file)
--- a/src/ln/channelmanager.rs
+++ b/src/ln/channelmanager.rs
@@ -1624,20 +1624,14 @@ impl ChannelMessageHandler for ChannelManager {
                // destination. That's OK since those nodes are probably busted or trying to do network
                // mapping through repeated loops. In either case, we want them to stop talking to us, so
                // we send permanent_node_failure.
-               match &claimable_htlcs_entry {
-                       &hash_map::Entry::Occupied(ref e) => {
-                               let mut acceptable_cycle = false;
-                               match e.get() {
-                                       &PendingOutboundHTLC::OutboundRoute { .. } => {
-                                               acceptable_cycle = pending_forward_info.short_channel_id == 0;
-                                       },
-                                       _ => {},
-                               }
-                               if !acceptable_cycle {
-                                       return_err!("Payment looped through us twice", 0x4000 | 0x2000 | 2, &[0;0]);
-                               }
-                       },
-                       _ => {},
+               if let &hash_map::Entry::Occupied(ref e) = &claimable_htlcs_entry {
+                       let mut acceptable_cycle = false;
+                       if let &PendingOutboundHTLC::OutboundRoute { .. } = e.get() {
+                               acceptable_cycle = pending_forward_info.short_channel_id == 0;
+                       }
+                       if !acceptable_cycle {
+                               return_err!("Payment looped through us twice", 0x4000 | 0x2000 | 2, &[0;0]);
+                       }
                }
 
                let (source_short_channel_id, res) = match channel_state.by_id.get_mut(&msg.channel_id) {