From 3131b265a5c9c18d33af4ee67b273ab4df1bf4a1 Mon Sep 17 00:00:00 2001
From: Craig Raw <craigraw@gmail.com>
Date: Mon, 13 Dec 2021 15:42:02 +0200
Subject: [PATCH] ensure selected utxo sets retain stable ordering

---
 src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java b/src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java
index 4a9633c..232c79a 100644
--- a/src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java
+++ b/src/main/java/com/sparrowwallet/drongo/wallet/Wallet.java
@@ -932,7 +932,7 @@ public class Wallet extends Persistable implements Comparable<Wallet> {
                 Map<BlockTransactionHashIndex, WalletNode> utxos = getWalletUtxos(includeSpentMempoolOutputs);
                 for(Collection<BlockTransactionHashIndex> selectedInputs : selectedInputSets) {
                     total += selectedInputs.stream().mapToLong(BlockTransactionHashIndex::getValue).sum();
-                    Map<BlockTransactionHashIndex, WalletNode> selectedInputsMap = new HashMap<>(utxos);
+                    Map<BlockTransactionHashIndex, WalletNode> selectedInputsMap = new TreeMap<>(utxos);
                     selectedInputsMap.keySet().retainAll(selectedInputs);
                     selectedInputSetsList.add(selectedInputsMap);
                 }