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Use BnB when preset inputs are selected

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This commit is contained in:
Andrew Chow
2019-10-25 18:10:13 -04:00
parent cfec3e01b4
commit db15e71e79
2 changed files with 58 additions and 29 deletions
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43
src/wallet/test/coinselector_tests.cpp
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@@ -53,7 +53,7 @@ static void add_coin(const CAmount& nValue, int nInput, CoinSet& set)
set.emplace(MakeTransactionRef(tx), nInput);
}
static void add_coin(const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0)
static void add_coin(CWallet& wallet, const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0, bool spendable = false)
{
balance += nValue;
static int nextLockTime = 0;
@@ -61,21 +61,31 @@ static void add_coin(const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = fa
tx.nLockTime = nextLockTime++; // so all transactions get different hashes
tx.vout.resize(nInput + 1);
tx.vout[nInput].nValue = nValue;
if (spendable) {
CTxDestination dest;
std::string error;
assert(wallet.GetNewDestination(OutputType::BECH32, "", dest, error));
tx.vout[nInput].scriptPubKey = GetScriptForDestination(dest);
}
if (fIsFromMe) {
// IsFromMe() returns (GetDebit() > 0), and GetDebit() is 0 if vin.empty(),
// so stop vin being empty, and cache a non-zero Debit to fake out IsFromMe()
tx.vin.resize(1);
}
std::unique_ptr<CWalletTx> wtx = MakeUnique<CWalletTx>(&testWallet, MakeTransactionRef(std::move(tx)));
std::unique_ptr<CWalletTx> wtx = MakeUnique<CWalletTx>(&wallet, MakeTransactionRef(std::move(tx)));
if (fIsFromMe)
{
wtx->m_amounts[CWalletTx::DEBIT].Set(ISMINE_SPENDABLE, 1);
}
COutput output(wtx.get(), nInput, nAge, true /* spendable */, true /* solvable */, true /* safe */);
vCoins.push_back(output);
testWallet.AddToWallet(*wtx.get());
wallet.AddToWallet(*wtx.get());
wtxn.emplace_back(std::move(wtx));
}
static void add_coin(const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0, bool spendable = false)
{
add_coin(testWallet, nValue, nAge, fIsFromMe, nInput, spendable);
}
static void empty_wallet(void)
{
@@ -250,17 +260,24 @@ BOOST_AUTO_TEST_CASE(bnb_search_test)
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, GroupCoins(vCoins), setCoinsRet, nValueRet, coin_selection_params_bnb, bnb_used));
// Make sure that we aren't using BnB when there are preset inputs
// Make sure that can use 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);
{
std::unique_ptr<CWallet> wallet = MakeUnique<CWallet>(m_chain.get(), WalletLocation(), WalletDatabase::CreateMock());
bool firstRun;
wallet->LoadWallet(firstRun);
LOCK(wallet->cs_wallet);
add_coin(*wallet, 5 * CENT, 6 * 24, false, 0, true);
add_coin(*wallet, 3 * CENT, 6 * 24, false, 0, true);
add_coin(*wallet, 2 * CENT, 6 * 24, false, 0, true);
CCoinControl coin_control;
coin_control.fAllowOtherInputs = true;
coin_control.Select(COutPoint(vCoins.at(0).tx->GetHash(), vCoins.at(0).i));
coin_selection_params_bnb.effective_fee = CFeeRate(0);
BOOST_CHECK(wallet->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)