From 04b0acc9dc749256be1b7a475def289324f29678 Mon Sep 17 00:00:00 2001 From: Matt Corallo Date: Fri, 29 Jun 2018 15:40:47 -0400 Subject: [PATCH] Skip some a needless temporary vec and clean indentation after #32 --- src/ln/channelmonitor.rs | 43 +++++++++++++++++++--------------------- 1 file changed, 20 insertions(+), 23 deletions(-) diff --git a/src/ln/channelmonitor.rs b/src/ln/channelmonitor.rs index 2b4d28e14..f9fa36b6b 100644 --- a/src/ln/channelmonitor.rs +++ b/src/ln/channelmonitor.rs @@ -294,29 +294,26 @@ impl ChannelMonitor { } } - let mut waste_hash_state : Vec<[u8;32]> = Vec::new(); - { - let local_signed_commitment_tx = &self.current_local_signed_commitment_tx; - let remote_hash_commitment_number = &self.remote_hash_commitment_number; - let min_idx = self.get_min_seen_secret(); - self.payment_preimages.retain(|&k, _| { - for &(ref htlc, _s1, _s2) in &local_signed_commitment_tx.as_ref().expect("Channel needs at least an initial commitment tx !").htlc_outputs { - if k == htlc.payment_hash { - return true - } - } - if let Some(cn) = remote_hash_commitment_number.get(&k) { - if *cn < min_idx { - return true - } - } - waste_hash_state.push(k); - false - }); - } - for h in waste_hash_state { - self.remote_hash_commitment_number.remove(&h); - } + let local_signed_commitment_tx = &self.current_local_signed_commitment_tx; + let min_idx = self.get_min_seen_secret(); + let remote_hash_commitment_number = &mut self.remote_hash_commitment_number; + self.payment_preimages.retain(|&k, _| { + for &(ref htlc, _s1, _s2) in &local_signed_commitment_tx.as_ref().expect("Channel needs at least an initial commitment tx !").htlc_outputs { + if k == htlc.payment_hash { + return true + } + } + let contains = if let Some(cn) = remote_hash_commitment_number.get(&k) { + if *cn < min_idx { + return true + } + true + } else { false }; + if contains { + remote_hash_commitment_number.remove(&k); + } + false + }); Ok(()) } -- 2.39.5