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-rw-r--r--src/wallet/test/wallet_tests.cpp18
-rw-r--r--src/wallet/wallet.cpp10
2 files changed, 28 insertions, 0 deletions
diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp
index 8b9292bd14..5e8ccd90ab 100644
--- a/src/wallet/test/wallet_tests.cpp
+++ b/src/wallet/test/wallet_tests.cpp
@@ -328,4 +328,22 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests)
empty_wallet();
}
+BOOST_AUTO_TEST_CASE(pruning_in_ApproximateBestSet)
+{
+ CoinSet setCoinsRet;
+ CAmount nValueRet;
+
+ LOCK(wallet.cs_wallet);
+
+ empty_wallet();
+ for (int i = 0; i < 12; i++)
+ {
+ add_coin(10*CENT);
+ }
+ add_coin(100*CENT);
+ add_coin(100*CENT);
+ BOOST_CHECK(wallet.SelectCoinsMinConf(221*CENT, 1, 6, vCoins, setCoinsRet, nValueRet));
+ BOOST_CHECK_EQUAL(nValueRet, 230*CENT);
+}
+
BOOST_AUTO_TEST_SUITE_END()
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index d23d54e678..a262769c4d 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -1632,6 +1632,16 @@ static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,uns
}
}
}
+
+ //Reduces the approximate best subset by removing any inputs that are smaller than the surplus of nTotal beyond nTargetValue.
+ for (unsigned int i = 0; i < vValue.size(); i++)
+ {
+ if (vfBest[i] && (nBest - vValue[i].first) >= nTargetValue )
+ {
+ vfBest[i] = false;
+ nBest -= vValue[i].first;
+ }
+ }
}
bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, vector<COutput> vCoins,