refactor: Make ListSelected return vector

src/qt/coincontroldialog.cpp

@@ -412,8 +412,7 @@ void CoinControlDialog::updateLabels(CCoinControl& m_coin_control, WalletModel *
     unsigned int nQuantity      = 0;
     bool fWitness               = false;
 
-    std::vector<COutPoint> vCoinControl;
-    m_coin_control.ListSelected(vCoinControl);
+    auto vCoinControl{m_coin_control.ListSelected()};
 
     size_t i = 0;
     for (const auto& out : model->wallet().getCoins(vCoinControl)) {

src/wallet/coincontrol.cpp

@@ -58,9 +58,9 @@ void CCoinControl::UnSelectAll()
     m_selected_inputs.clear();
 }
 
-void CCoinControl::ListSelected(std::vector<COutPoint>& vOutpoints) const
+std::vector<COutPoint> CCoinControl::ListSelected() const
 {
-    vOutpoints.assign(m_selected_inputs.begin(), m_selected_inputs.end());
+    return {m_selected_inputs.begin(), m_selected_inputs.end()};
 }
 
 void CCoinControl::SetInputWeight(const COutPoint& outpoint, int64_t weight)

src/wallet/coincontrol.h

@@ -100,7 +100,7 @@ public:
     /**
      * List the selected inputs.
      */
-    void ListSelected(std::vector<COutPoint>& vOutpoints) const;
+    std::vector<COutPoint> ListSelected() const;
     /**
      * Set an input's weight.
      */

src/wallet/spend.cpp

@@ -159,10 +159,8 @@ util::Result<PreSelectedInputs> FetchSelectedInputs(const CWallet& wallet, const
                                             const CoinSelectionParams& coin_selection_params) EXCLUSIVE_LOCKS_REQUIRED(wallet.cs_wallet)
 {
     PreSelectedInputs result;
-    std::vector<COutPoint> vPresetInputs;
-    coin_control.ListSelected(vPresetInputs);
     const bool can_grind_r = wallet.CanGrindR();
-    for (const COutPoint& outpoint : vPresetInputs) {
+    for (const COutPoint& outpoint : coin_control.ListSelected()) {
         int input_bytes = -1;
         CTxOut txout;
         if (auto ptr_wtx = wallet.GetWalletTx(outpoint.hash)) {