From 6fd41c0f265caf0927f5d94e6acabd6ba4023039 Mon Sep 17 00:00:00 2001
From: Kuro <kuroguo@outlook.com>
Date: Thu, 17 Jun 2021 03:05:41 +0800
Subject: [PATCH] Handle Lelantus AmountWithFeeExceedsBalance

---
 src/qt/walletmodel.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/qt/walletmodel.cpp b/src/qt/walletmodel.cpp
index 390e768c4b..dc49f7c7d4 100644
--- a/src/qt/walletmodel.cpp
+++ b/src/qt/walletmodel.cpp
@@ -521,6 +521,9 @@ WalletModel::SendCoinsReturn WalletModel::prepareJoinSplitTransaction(
             *newTx = wallet->CreateLelantusJoinSplitTransaction(vecSend, feeRequired, {}, spendCoins, sigmaSpendCoins, mintCoins, coinControl);
         } catch (InsufficientFunds const&) {
             transaction.setTransactionFee(feeRequired);
+            if (!fSubtractFeeFromAmount && (total + feeRequired) > nBalance) {
+                return SendCoinsReturn(AmountWithFeeExceedsBalance);
+            }
             return SendCoinsReturn(AmountExceedsBalance);
         } catch (std::runtime_error const &e) {
             Q_EMIT message(