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Merge #12694: Actually disable BnB when there are preset inputs

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081bf54 Test that BnB is not used when there are preset inputs (Andrew Chow)
6ef9982 Actually disable BnB when there are preset inputs (Andrew Chow)

Pull request description:

  We don't want to use BnB when there are preset inputs because there
  is some weirdness with making that work with using the KnapsackSolver
  as the fallback. Currently we say that we haven't used bnb when
  there are preset inputs, but we don't actually disable BnB. This fixes
  that.

  I thought this was done originally. I guess it got lost in a rebase somewhere.

Tree-SHA512: 9792c0cdd0736866bddbed20f10b8050104955dc589fba49a0bd61a582ba491c921af2cdcc2269678b7b69275dad5fcf89c71b75c28733c7bacbe52e55891b9c
This commit is contained in:
Wladimir J. van der Laan
2018-03-22 21:03:01 +01:00
parent f686002a8e 081bf54ee4
commit 9552dfb1f6
3 changed files with 25 additions and 11 deletions
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16
src/wallet/test/coinselector_tests.cpp
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@@ -4,6 +4,7 @@
#include "wallet/wallet.h"
#include "wallet/coinselection.h"
#include "wallet/coincontrol.h"
#include "amount.h"
#include "primitives/transaction.h"
#include "random.h"
@@ -27,7 +28,7 @@ std::vector<std::unique_ptr<CWalletTx>> wtxn;
typedef std::set<CInputCoin> CoinSet;
static std::vector<COutput> vCoins;
static const CWallet testWallet("dummy", CWalletDBWrapper::CreateDummy());
static CWallet testWallet("dummy", CWalletDBWrapper::CreateDummy());
static CAmount balance = 0;
CoinEligibilityFilter filter_standard(1, 6, 0);
@@ -72,6 +73,7 @@ static void add_coin(const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = fa
}
COutput output(wtx.get(), nInput, nAge, true /* spendable */, true /* solvable */, true /* safe */);
vCoins.push_back(output);
testWallet.AddToWallet(*wtx.get());
wtxn.emplace_back(std::move(wtx));
}
@@ -222,6 +224,18 @@ BOOST_AUTO_TEST_CASE(bnb_search_test)
add_coin(1);
vCoins.at(0).nInputBytes = 40; // Make sure that it has a negative effective value. The next check should assert if this somehow got through. Otherwise it will fail
BOOST_CHECK(!testWallet.SelectCoinsMinConf( 1 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params_bnb, bnb_used));
// Make sure that we aren't using BnB when there are preset inputs
empty_wallet();
add_coin(5 * CENT);
add_coin(3 * CENT);
add_coin(2 * CENT);
CCoinControl coin_control;
coin_control.fAllowOtherInputs = true;
coin_control.Select(COutPoint(vCoins.at(0).tx->GetHash(), vCoins.at(0).i));
BOOST_CHECK(testWallet.SelectCoins(vCoins, 10 * CENT, setCoinsRet, nValueRet, coin_control, coin_selection_params_bnb, bnb_used));
BOOST_CHECK(!bnb_used);
BOOST_CHECK(!coin_selection_params_bnb.use_bnb);
}
BOOST_AUTO_TEST_CASE(knapsack_solver_test)