From 639f24e9d0c4665f5c598a718673d0d0fff48e49 Mon Sep 17 00:00:00 2001
From: HashEngineering <hashengineeringsolutions@gmail.com>
Date: Tue, 13 Aug 2024 16:46:34 -0700
Subject: [PATCH] fix: align sorting of inputs by rounds to Dash Core (C++)

---
 .../java/org/bitcoinj/coinjoin/CoinJoinClientSession.java | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/core/src/main/java/org/bitcoinj/coinjoin/CoinJoinClientSession.java b/core/src/main/java/org/bitcoinj/coinjoin/CoinJoinClientSession.java
index 878522365..81725df4c 100644
--- a/core/src/main/java/org/bitcoinj/coinjoin/CoinJoinClientSession.java
+++ b/core/src/main/java/org/bitcoinj/coinjoin/CoinJoinClientSession.java
@@ -1500,11 +1500,9 @@ public boolean submitDenominate() {
         }
 
         // more inputs first, for equal input count prefer the one with fewer rounds
-        Collections.sort(vecInputsByRounds, new Comparator<Pair<Integer, Integer>>() {
-            @Override
-            public int compare(Pair<Integer, Integer> a, Pair<Integer, Integer> b) {
-                return (a.getSecond() > b.getSecond()) ? a.getSecond() - b.getSecond() : a.getFirst() - b.getFirst();
-            }
+        vecInputsByRounds.sort((a, b) -> {
+            int inputCompare = Integer.compare(b.getSecond(), a.getSecond());
+            return inputCompare != 0 ? inputCompare : Integer.compare(a.getFirst(), b.getFirst());
         });
 
         log.info("coinjoin: vecInputsByRounds(size={}) for denom {}", vecInputsByRounds.size(), sessionDenom);