diff --git a/src/bench/coin_selection.cpp b/src/bench/coin_selection.cpp index 3b82351928b2f..9f1a75a553425 100644 --- a/src/bench/coin_selection.cpp +++ b/src/bench/coin_selection.cpp @@ -61,10 +61,6 @@ static void CoinSelection(benchmark::Bench& bench) } typedef std::set CoinSet; -static NodeContext testNode; -static auto testChain = interfaces::MakeChain(testNode); -static CWallet testWallet(testChain.get(), /*coinjoin_loader=*/ nullptr, "", CreateDummyWalletDatabase()); -std::vector> wtxn; // Copied from src/wallet/test/coinselector_tests.cpp static void add_coin(const CAmount& nValue, int nInput, std::vector& set) @@ -72,10 +68,9 @@ static void add_coin(const CAmount& nValue, int nInput, std::vector CMutableTransaction tx; tx.vout.resize(nInput + 1); tx.vout[nInput].nValue = nValue; - std::unique_ptr wtx = std::make_unique(&testWallet, MakeTransactionRef(std::move(tx))); + CInputCoin coin(MakeTransactionRef(tx), nInput); set.emplace_back(); - set.back().Insert(COutput(wtx.get(), nInput, 0, true, true, true).GetInputCoin(), 0, true, 0, 0, false); - wtxn.emplace_back(std::move(wtx)); + set.back().Insert(coin, 0, true, 0, 0, false); } // Copied from src/wallet/test/coinselector_tests.cpp static CAmount make_hard_case(int utxos, std::vector& utxo_pool) @@ -93,7 +88,6 @@ static CAmount make_hard_case(int utxos, std::vector& utxo_pool) static void BnBExhaustion(benchmark::Bench& bench) { // Setup - testWallet.SetupLegacyScriptPubKeyMan(); std::vector utxo_pool; CoinSet selection; CAmount value_ret = 0; diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp index d0362670705fa..c7ce15447b945 100644 --- a/src/wallet/test/coinselector_tests.cpp +++ b/src/wallet/test/coinselector_tests.cpp @@ -27,16 +27,14 @@ BOOST_FIXTURE_TEST_SUITE(coinselector_tests, WalletTestingSetup) typedef std::set CoinSet; -static std::vector vCoins; -static NodeContext testNode; -static auto testChain = interfaces::MakeChain(testNode); -static CWallet testWallet(testChain.get(), /*coinjoin_loader=*/ nullptr, "", CreateDummyWalletDatabase()); -static CAmount balance = 0; +/* TODO: Revert current globals removal and backport pull requests implementing it */ +static const CoinEligibilityFilter filter_standard(1, 6, 0); +static const CoinEligibilityFilter filter_confirmed(1, 1, 0); +static const CoinEligibilityFilter filter_standard_extra(6, 6, 0); -CoinEligibilityFilter filter_standard(1, 6, 0); -CoinEligibilityFilter filter_confirmed(1, 1, 0); -CoinEligibilityFilter filter_standard_extra(6, 6, 0); -CoinSelectionParams coin_selection_params(false, 0, 0, CFeeRate(0), 0, false); +CoinSelectionParams coin_selection_params(/* use_bnb = */ false, /* change_output_size = */ 0, + /* change_spend_size = */ 0, /* effective_fee = */ CFeeRate(0), + /* tx_noinputs_size = */ 0, /* m_avoid_partial_spends = */ false); static void add_coin(const CAmount& nValue, int nInput, std::vector& set) { @@ -54,9 +52,8 @@ static void add_coin(const CAmount& nValue, int nInput, CoinSet& set) set.emplace(MakeTransactionRef(tx), nInput); } -static void add_coin(CWallet& wallet, const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0, bool spendable = false) +static void add_coin(std::vector& coins, CWallet& wallet, const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0, bool spendable = false) { - balance += nValue; static int nextLockTime = 0; CMutableTransaction tx; tx.nLockTime = nextLockTime++; // so all transactions get different hashes @@ -81,17 +78,7 @@ static void add_coin(CWallet& wallet, const CAmount& nValue, int nAge = 6*24, bo wtx->m_is_cache_empty = false; } COutput output(wtx, nInput, nAge, true /* spendable */, true /* solvable */, true /* safe */); - vCoins.push_back(output); -} -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) -{ - vCoins.clear(); - balance = 0; + coins.push_back(output); } static bool equal_sets(CoinSet a, CoinSet b) @@ -137,10 +124,6 @@ inline std::vector& GroupCoins(const std::vector& coins) // Branch and bound coin selection tests BOOST_AUTO_TEST_CASE(bnb_search_test) { - - LOCK(testWallet.cs_wallet); - testWallet.SetupLegacyScriptPubKeyMan(); - // Setup std::vector utxo_pool; CoinSet selection; @@ -270,40 +253,54 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) } // Make sure that effective value is working in SelectCoinsMinConf when BnB is used - CoinSelectionParams coin_selection_params_bnb(true, 0, 0, CFeeRate(3000), 0, false); - CoinSet setCoinsRet; - CAmount nValueRet; - bool bnb_used; - empty_wallet(); - 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)); - - // Test fees subtracted from output: - empty_wallet(); - add_coin(1 * CENT); - vCoins.at(0).nInputBytes = 40; - BOOST_CHECK(!testWallet.SelectCoinsMinConf( 1 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params_bnb, bnb_used)); - coin_selection_params_bnb.m_subtract_fee_outputs = true; - BOOST_CHECK(testWallet.SelectCoinsMinConf( 1 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params_bnb, bnb_used)); - BOOST_CHECK_EQUAL(nValueRet, 1 * CENT); - - // Make sure that can use BnB when there are preset inputs - empty_wallet(); + CoinSelectionParams coin_selection_params_bnb(/* use_bnb = */ true, /* change_output_size = */ 0, + /* change_spend_size = */ 0, /* effective_fee = */ CFeeRate(3000), + /* tx_noinputs_size = */ 0, /* m_avoid_partial_spends = */ false); { - std::unique_ptr wallet = std::make_unique(m_node.chain.get(), /*coinjoin_loader=*/ nullptr, "", CreateMockWalletDatabase()); + std::unique_ptr wallet = std::make_unique(m_node.chain.get(), /* coinjoin_loader = */ nullptr, "", CreateMockWalletDatabase()); wallet->SetupLegacyScriptPubKeyMan(); 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); + + bool bnb_used; + std::vector coins; + CoinSet setCoinsRet; + CAmount nValueRet; + + add_coin(coins, *wallet, 1); + coins.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(!wallet->SelectCoinsMinConf(1 * CENT, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params_bnb, bnb_used)); + + // Test fees subtracted from output: + coins.clear(); + add_coin(coins, *wallet, 1 * CENT); + coins.at(0).nInputBytes = 40; + coin_selection_params_bnb.m_subtract_fee_outputs = true; + BOOST_CHECK(wallet->SelectCoinsMinConf(1 * CENT, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params_bnb, bnb_used)); + BOOST_CHECK_EQUAL(nValueRet, 1 * CENT); + } + + { + std::unique_ptr wallet = std::make_unique(m_node.chain.get(), /* coinjoin_loader = */ nullptr, "", CreateMockWalletDatabase()); + bool firstRun; + wallet->LoadWallet(firstRun); + wallet->SetupLegacyScriptPubKeyMan(); + LOCK(wallet->cs_wallet); + + bool bnb_used; + std::vector coins; + CoinSet setCoinsRet; + CAmount nValueRet; + + add_coin(coins, *wallet, 5 * CENT, 6 * 24, false, 0, true); + add_coin(coins, *wallet, 3 * CENT, 6 * 24, false, 0, true); + add_coin(coins, *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_control.Select(COutPoint(coins.at(0).tx->GetHash(), coins.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(wallet->SelectCoins(coins, 10 * CENT, setCoinsRet, nValueRet, coin_control, coin_selection_params_bnb, bnb_used)); BOOST_CHECK(bnb_used); BOOST_CHECK(coin_selection_params_bnb.use_bnb); } @@ -311,162 +308,166 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) BOOST_AUTO_TEST_CASE(knapsack_solver_test) { + std::unique_ptr wallet = std::make_unique(m_node.chain.get(), /* coinjoin_loader = */ nullptr, "", CreateMockWalletDatabase()); + bool firstRun; + wallet->LoadWallet(firstRun); + wallet->SetupLegacyScriptPubKeyMan(); + LOCK(wallet->cs_wallet); + CoinSet setCoinsRet, setCoinsRet2; CAmount nValueRet; bool bnb_used; - - LOCK(testWallet.cs_wallet); - testWallet.SetupLegacyScriptPubKeyMan(); + std::vector coins; // test multiple times to allow for differences in the shuffle order for (int i = 0; i < RUN_TESTS; i++) { - empty_wallet(); + coins.clear(); // with an empty wallet we can't even pay one cent - BOOST_CHECK(!testWallet.SelectCoinsMinConf( 1 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(!wallet->SelectCoinsMinConf( 1 * CENT, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); - add_coin(1*CENT, 4); // add a new 1 cent coin + add_coin(coins, *wallet, 1*CENT, 4); // add a new 1 cent coin // with a new 1 cent coin, we still can't find a mature 1 cent - BOOST_CHECK(!testWallet.SelectCoinsMinConf( 1 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(!wallet->SelectCoinsMinConf( 1 * CENT, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); // but we can find a new 1 cent - BOOST_CHECK( testWallet.SelectCoinsMinConf( 1 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf( 1 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 1 * CENT); - add_coin(2*CENT); // add a mature 2 cent coin + add_coin(coins, *wallet, 2*CENT); // add a mature 2 cent coin // we can't make 3 cents of mature coins - BOOST_CHECK(!testWallet.SelectCoinsMinConf( 3 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(!wallet->SelectCoinsMinConf( 3 * CENT, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); // we can make 3 cents of new coins - BOOST_CHECK( testWallet.SelectCoinsMinConf( 3 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf( 3 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 3 * CENT); - add_coin(5*CENT); // add a mature 5 cent coin, - add_coin(10*CENT, 3, true); // a new 10 cent coin sent from one of our own addresses - add_coin(20*CENT); // and a mature 20 cent coin + add_coin(coins, *wallet, 5*CENT); // add a mature 5 cent coin, + add_coin(coins, *wallet, 10*CENT, 3, true); // a new 10 cent coin sent from one of our own addresses + add_coin(coins, *wallet, 20*CENT); // and a mature 20 cent coin // now we have new: 1+10=11 (of which 10 was self-sent), and mature: 2+5+20=27. total = 38 // we can't make 38 cents only if we disallow new coins: - BOOST_CHECK(!testWallet.SelectCoinsMinConf(38 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(!wallet->SelectCoinsMinConf(38 * CENT, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); // we can't even make 37 cents if we don't allow new coins even if they're from us - BOOST_CHECK(!testWallet.SelectCoinsMinConf(38 * CENT, filter_standard_extra, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(!wallet->SelectCoinsMinConf(38 * CENT, filter_standard_extra, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); // but we can make 37 cents if we accept new coins from ourself - BOOST_CHECK( testWallet.SelectCoinsMinConf(37 * CENT, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(37 * CENT, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 37 * CENT); // and we can make 38 cents if we accept all new coins - BOOST_CHECK( testWallet.SelectCoinsMinConf(38 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(38 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 38 * CENT); // try making 34 cents from 1,2,5,10,20 - we can't do it exactly - BOOST_CHECK( testWallet.SelectCoinsMinConf(34 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(34 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 35 * CENT); // but 35 cents is closest BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U); // the best should be 20+10+5. it's incredibly unlikely the 1 or 2 got included (but possible) // when we try making 7 cents, the smaller coins (1,2,5) are enough. We should see just 2+5 - BOOST_CHECK( testWallet.SelectCoinsMinConf( 7 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf( 7 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 7 * CENT); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); // when we try making 8 cents, the smaller coins (1,2,5) are exactly enough. - BOOST_CHECK( testWallet.SelectCoinsMinConf( 8 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf( 8 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK(nValueRet == 8 * CENT); BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U); // when we try making 9 cents, no subset of smaller coins is enough, and we get the next bigger coin (10) - BOOST_CHECK( testWallet.SelectCoinsMinConf( 9 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf( 9 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 10 * CENT); BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); // now clear out the wallet and start again to test choosing between subsets of smaller coins and the next biggest coin - empty_wallet(); + coins.clear(); - add_coin( 6*CENT); - add_coin( 7*CENT); - add_coin( 8*CENT); - add_coin(20*CENT); - add_coin(30*CENT); // now we have 6+7+8+20+30 = 71 cents total + add_coin(coins, *wallet, 6*CENT); + add_coin(coins, *wallet, 7*CENT); + add_coin(coins, *wallet, 8*CENT); + add_coin(coins, *wallet, 20*CENT); + add_coin(coins, *wallet, 30*CENT); // now we have 6+7+8+20+30 = 71 cents total // check that we have 71 and not 72 - BOOST_CHECK( testWallet.SelectCoinsMinConf(71 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); - BOOST_CHECK(!testWallet.SelectCoinsMinConf(72 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(71 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(!wallet->SelectCoinsMinConf(72 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); // now try making 16 cents. the best smaller coins can do is 6+7+8 = 21; not as good at the next biggest coin, 20 - BOOST_CHECK( testWallet.SelectCoinsMinConf(16 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(16 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 20 * CENT); // we should get 20 in one coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); - add_coin( 5*CENT); // now we have 5+6+7+8+20+30 = 75 cents total + add_coin(coins, *wallet, 5*CENT); // now we have 5+6+7+8+20+30 = 75 cents total // now if we try making 16 cents again, the smaller coins can make 5+6+7 = 18 cents, better than the next biggest coin, 20 - BOOST_CHECK( testWallet.SelectCoinsMinConf(16 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(16 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 18 * CENT); // we should get 18 in 3 coins BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U); - add_coin( 18*CENT); // now we have 5+6+7+8+18+20+30 + add_coin(coins, *wallet, 18*CENT); // now we have 5+6+7+8+18+20+30 // and now if we try making 16 cents again, the smaller coins can make 5+6+7 = 18 cents, the same as the next biggest coin, 18 - BOOST_CHECK( testWallet.SelectCoinsMinConf(16 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(16 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 18 * CENT); // we should get 18 in 1 coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); // because in the event of a tie, the biggest coin wins // now try making 11 cents. we should get 5+6 - BOOST_CHECK( testWallet.SelectCoinsMinConf(11 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(11 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 11 * CENT); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); // check that the smallest bigger coin is used - add_coin( 1*COIN); - add_coin( 2*COIN); - add_coin( 3*COIN); - add_coin( 4*COIN); // now we have 5+6+7+8+18+20+30+100+200+300+400 = 1094 cents - BOOST_CHECK( testWallet.SelectCoinsMinConf(95 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + add_coin(coins, *wallet, 1*COIN); + add_coin(coins, *wallet, 2*COIN); + add_coin(coins, *wallet, 3*COIN); + add_coin(coins, *wallet, 4*COIN); // now we have 5+6+7+8+18+20+30+100+200+300+400 = 1094 cents + BOOST_CHECK(wallet->SelectCoinsMinConf(95 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 1 * COIN); // we should get 1 BTC in 1 coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); - BOOST_CHECK( testWallet.SelectCoinsMinConf(195 * CENT, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(195 * CENT, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 2 * COIN); // we should get 2 BTC in 1 coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); // empty the wallet and start again, now with fractions of a cent, to test small change avoidance - empty_wallet(); - add_coin(MIN_CHANGE * 1 / 10); - add_coin(MIN_CHANGE * 2 / 10); - add_coin(MIN_CHANGE * 3 / 10); - add_coin(MIN_CHANGE * 4 / 10); - add_coin(MIN_CHANGE * 5 / 10); + coins.clear(); + add_coin(coins, *wallet, MIN_CHANGE * 1 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 2 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 3 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 4 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 5 / 10); // try making 1 * MIN_CHANGE from the 1.5 * MIN_CHANGE // we'll get change smaller than MIN_CHANGE whatever happens, so can expect MIN_CHANGE exactly - BOOST_CHECK( testWallet.SelectCoinsMinConf(MIN_CHANGE, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(MIN_CHANGE, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, MIN_CHANGE); // but if we add a bigger coin, small change is avoided - add_coin(1111*MIN_CHANGE); + add_coin(coins, *wallet, 1111*MIN_CHANGE); // try making 1 from 0.1 + 0.2 + 0.3 + 0.4 + 0.5 + 1111 = 1112.5 - BOOST_CHECK( testWallet.SelectCoinsMinConf(1 * MIN_CHANGE, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(1 * MIN_CHANGE, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 1 * MIN_CHANGE); // we should get the exact amount // if we add more small coins: - add_coin(MIN_CHANGE * 6 / 10); - add_coin(MIN_CHANGE * 7 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 6 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 7 / 10); // and try again to make 1.0 * MIN_CHANGE - BOOST_CHECK( testWallet.SelectCoinsMinConf(1 * MIN_CHANGE, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(1 * MIN_CHANGE, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 1 * MIN_CHANGE); // we should get the exact amount // run the 'mtgox' test (see https://blockexplorer.com/tx/29a3efd3ef04f9153d47a990bd7b048a4b2d213daaa5fb8ed670fb85f13bdbcf) // they tried to consolidate 10 50k coins into one 500k coin, and ended up with 50k in change - empty_wallet(); + coins.clear(); for (int j = 0; j < 20; j++) - add_coin(50000 * COIN); + add_coin(coins, *wallet, 50000 * COIN); - BOOST_CHECK( testWallet.SelectCoinsMinConf(500000 * COIN, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(500000 * COIN, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 500000 * COIN); // we should get the exact amount BOOST_CHECK_EQUAL(setCoinsRet.size(), 10U); // in ten coins @@ -474,79 +475,79 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) // we need to try finding an exact subset anyway // sometimes it will fail, and so we use the next biggest coin: - empty_wallet(); - add_coin(MIN_CHANGE * 5 / 10); - add_coin(MIN_CHANGE * 6 / 10); - add_coin(MIN_CHANGE * 7 / 10); - add_coin(1111 * MIN_CHANGE); - BOOST_CHECK( testWallet.SelectCoinsMinConf(1 * MIN_CHANGE, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + coins.clear(); + add_coin(coins, *wallet, MIN_CHANGE * 5 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 6 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 7 / 10); + add_coin(coins, *wallet, 1111 * MIN_CHANGE); + BOOST_CHECK(wallet->SelectCoinsMinConf(1 * MIN_CHANGE, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 1111 * MIN_CHANGE); // we get the bigger coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); // but sometimes it's possible, and we use an exact subset (0.4 + 0.6 = 1.0) - empty_wallet(); - add_coin(MIN_CHANGE * 4 / 10); - add_coin(MIN_CHANGE * 6 / 10); - add_coin(MIN_CHANGE * 8 / 10); - add_coin(1111 * MIN_CHANGE); - BOOST_CHECK( testWallet.SelectCoinsMinConf(MIN_CHANGE, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + coins.clear(); + add_coin(coins, *wallet, MIN_CHANGE * 4 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 6 / 10); + add_coin(coins, *wallet, MIN_CHANGE * 8 / 10); + add_coin(coins, *wallet, 1111 * MIN_CHANGE); + BOOST_CHECK(wallet->SelectCoinsMinConf(MIN_CHANGE, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, MIN_CHANGE); // we should get the exact amount BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); // in two coins 0.4+0.6 // test avoiding small change - empty_wallet(); - add_coin(MIN_CHANGE * 5 / 100); - add_coin(MIN_CHANGE * 1); - add_coin(MIN_CHANGE * 100); + coins.clear(); + add_coin(coins, *wallet, MIN_CHANGE * 5 / 100); + add_coin(coins, *wallet, MIN_CHANGE * 1); + add_coin(coins, *wallet, MIN_CHANGE * 100); // trying to make 100.01 from these three coins - BOOST_CHECK(testWallet.SelectCoinsMinConf(MIN_CHANGE * 10001 / 100, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(MIN_CHANGE * 10001 / 100, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, MIN_CHANGE * 10105 / 100); // we should get all coins BOOST_CHECK_EQUAL(setCoinsRet.size(), 3U); // but if we try to make 99.9, we should take the bigger of the two small coins to avoid small change - BOOST_CHECK(testWallet.SelectCoinsMinConf(MIN_CHANGE * 9990 / 100, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(MIN_CHANGE * 9990 / 100, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 101 * MIN_CHANGE); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); - } + } - // test with many inputs - for (CAmount amt=1500; amt < COIN; amt*=10) { - empty_wallet(); - // Create 676 inputs (= (old MAX_STANDARD_TX_SIZE == 100000) / 148 bytes per input) - for (uint16_t j = 0; j < 676; j++) - add_coin(amt); + // test with many inputs + for (CAmount amt=1500; amt < COIN; amt*=10) { + coins.clear(); + // Create 676 inputs (= (old MAX_STANDARD_TX_SIZE == 100000) / 148 bytes per input) + for (uint16_t j = 0; j < 676; j++) + add_coin(coins, *wallet, amt); // We only create the wallet once to save time, but we still run the coin selection RUN_TESTS times. for (int i = 0; i < RUN_TESTS; i++) { - BOOST_CHECK(testWallet.SelectCoinsMinConf(2000, filter_confirmed, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); - - if (amt - 2000 < MIN_CHANGE) { - // needs more than one input: - uint16_t returnSize = std::ceil((2000.0 + MIN_CHANGE)/amt); - CAmount returnValue = amt * returnSize; - BOOST_CHECK_EQUAL(nValueRet, returnValue); - BOOST_CHECK_EQUAL(setCoinsRet.size(), returnSize); - } else { - // one input is sufficient: - BOOST_CHECK_EQUAL(nValueRet, amt); - BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); - } - } - } - - // test randomness - { - empty_wallet(); - for (int i2 = 0; i2 < 100; i2++) - add_coin(COIN); - - // Again, we only create the wallet once to save time, but we still run the coin selection RUN_TESTS times. - for (int i = 0; i < RUN_TESTS; i++) { + BOOST_CHECK(wallet->SelectCoinsMinConf(2000, filter_confirmed, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + + if (amt - 2000 < MIN_CHANGE) { + // needs more than one input: + uint16_t returnSize = std::ceil((2000.0 + MIN_CHANGE)/amt); + CAmount returnValue = amt * returnSize; + BOOST_CHECK_EQUAL(nValueRet, returnValue); + BOOST_CHECK_EQUAL(setCoinsRet.size(), returnSize); + } else { + // one input is sufficient: + BOOST_CHECK_EQUAL(nValueRet, amt); + BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); + } + } + } + + // test randomness + { + coins.clear(); + for (int i2 = 0; i2 < 100; i2++) + add_coin(coins, *wallet, COIN); + + // Again, we only create the wallet once to save time, but we still run the coin selection RUN_TESTS times. + for (int i = 0; i < RUN_TESTS; i++) { // picking 50 from 100 coins doesn't depend on the shuffle, // but does depend on randomness in the stochastic approximation code - BOOST_CHECK(testWallet.SelectCoinsMinConf(50 * COIN, filter_standard, vCoins, setCoinsRet , nValueRet, coin_selection_params, bnb_used)); - BOOST_CHECK(testWallet.SelectCoinsMinConf(50 * COIN, filter_standard, vCoins, setCoinsRet2, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(50 * COIN, filter_standard, coins, setCoinsRet , nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(50 * COIN, filter_standard, coins, setCoinsRet2, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK(!equal_sets(setCoinsRet, setCoinsRet2)); int fails = 0; @@ -554,85 +555,88 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) { // selecting 1 from 100 identical coins depends on the shuffle; this test will fail 1% of the time // run the test RANDOM_REPEATS times and only complain if all of them fail - BOOST_CHECK(testWallet.SelectCoinsMinConf(COIN, filter_standard, vCoins, setCoinsRet , nValueRet, coin_selection_params, bnb_used)); - BOOST_CHECK(testWallet.SelectCoinsMinConf(COIN, filter_standard, vCoins, setCoinsRet2, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(COIN, filter_standard, coins, setCoinsRet , nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(COIN, filter_standard, coins, setCoinsRet2, nValueRet, coin_selection_params, bnb_used)); if (equal_sets(setCoinsRet, setCoinsRet2)) fails++; } BOOST_CHECK_NE(fails, RANDOM_REPEATS); - } - - // add 75 cents in small change. not enough to make 90 cents, - // then try making 90 cents. there are multiple competing "smallest bigger" coins, - // one of which should be picked at random - add_coin(5 * CENT); - add_coin(10 * CENT); - add_coin(15 * CENT); - add_coin(20 * CENT); - add_coin(25 * CENT); - - for (int i = 0; i < RUN_TESTS; i++) { + } + + // add 75 cents in small change. not enough to make 90 cents, + // then try making 90 cents. there are multiple competing "smallest bigger" coins, + // one of which should be picked at random + add_coin(coins, *wallet, 5 * CENT); + add_coin(coins, *wallet, 10 * CENT); + add_coin(coins, *wallet, 15 * CENT); + add_coin(coins, *wallet, 20 * CENT); + add_coin(coins, *wallet, 25 * CENT); + + for (int i = 0; i < RUN_TESTS; i++) { int fails = 0; for (int j = 0; j < RANDOM_REPEATS; j++) { // selecting 1 from 100 identical coins depends on the shuffle; this test will fail 1% of the time // run the test RANDOM_REPEATS times and only complain if all of them fail - BOOST_CHECK(testWallet.SelectCoinsMinConf(90*CENT, filter_standard, vCoins, setCoinsRet , nValueRet, coin_selection_params, bnb_used)); - BOOST_CHECK(testWallet.SelectCoinsMinConf(90*CENT, filter_standard, vCoins, setCoinsRet2, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(90*CENT, filter_standard, coins, setCoinsRet , nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(90*CENT, filter_standard, coins, setCoinsRet2, nValueRet, coin_selection_params, bnb_used)); if (equal_sets(setCoinsRet, setCoinsRet2)) fails++; } BOOST_CHECK_NE(fails, RANDOM_REPEATS); - } - } - - empty_wallet(); + } + } } BOOST_AUTO_TEST_CASE(ApproximateBestSubset) { + std::unique_ptr wallet = std::make_unique(m_node.chain.get(), /* coinjoin_loader = */ nullptr, "", CreateMockWalletDatabase()); + bool firstRun; + wallet->LoadWallet(firstRun); + wallet->SetupLegacyScriptPubKeyMan(); + LOCK(wallet->cs_wallet); + CoinSet setCoinsRet; CAmount nValueRet; bool bnb_used; - - LOCK(testWallet.cs_wallet); - testWallet.SetupLegacyScriptPubKeyMan(); - - empty_wallet(); + std::vector coins; // Test vValue sort order for (int i = 0; i < 1000; i++) - add_coin(1000 * COIN); - add_coin(3 * COIN); + add_coin(coins, *wallet, 1000 * COIN); + add_coin(coins, *wallet, 3 * COIN); - BOOST_CHECK(testWallet.SelectCoinsMinConf(1003 * COIN, filter_standard, vCoins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(1003 * COIN, filter_standard, coins, setCoinsRet, nValueRet, coin_selection_params, bnb_used)); BOOST_CHECK_EQUAL(nValueRet, 1003 * COIN); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); - - empty_wallet(); } // Tests that with the ideal conditions, the coin selector will always be able to find a solution that can pay the target value BOOST_AUTO_TEST_CASE(SelectCoins_test) { - testWallet.SetupLegacyScriptPubKeyMan(); + std::unique_ptr wallet = std::make_unique(m_node.chain.get(), /* coinjoin_loader = */ nullptr, "", CreateMockWalletDatabase()); + bool firstRun; + wallet->LoadWallet(firstRun); + wallet->SetupLegacyScriptPubKeyMan(); + LOCK(wallet->cs_wallet); // Random generator stuff std::default_random_engine generator; std::exponential_distribution distribution (100); FastRandomContext rand; - LOCK(testWallet.cs_wallet); - // Run this test 100 times for (int i = 0; i < 100; ++i) { - empty_wallet(); + std::vector coins; + CAmount balance{0}; // Make a wallet with 1000 exponentially distributed random inputs for (int j = 0; j < 1000; ++j) { - add_coin((CAmount)(distribution(generator)*10000000)); + CAmount val = distribution(generator)*10000000; + add_coin(coins, *wallet, val); + balance += val; } // Generate a random fee rate in the range of 100 - 400 @@ -642,13 +646,17 @@ BOOST_AUTO_TEST_CASE(SelectCoins_test) CAmount target = rand.randrange(balance - 1000) + 1000; // Perform selection - CoinSelectionParams coin_selection_params_knapsack(false, 34, 148, CFeeRate(0), 0, false); - CoinSelectionParams coin_selection_params_bnb(true, 34, 148, CFeeRate(0), 0, false); + CoinSelectionParams coin_selection_params_knapsack(/* use_bnb = */ false, /* change_output_size = */ 34, + /* change_spend_size = */ 148, /* effective_fee = */ CFeeRate(0), + /* tx_noinputs_size = */ 0, /* m_avoid_partial_spends = */ false); + CoinSelectionParams coin_selection_params_bnb(/* use_bnb = */ true, /* change_output_size = */ 34, + /* change_spend_size = */ 148, /* effective_fee = */ CFeeRate(0), + /* tx_noinputs_size = */ 0, /* m_avoid_partial_spends = */ false); CoinSet out_set; CAmount out_value = 0; bool bnb_used = false; - BOOST_CHECK(testWallet.SelectCoinsMinConf(target, filter_standard, vCoins, out_set, out_value, coin_selection_params_bnb, bnb_used) || - testWallet.SelectCoinsMinConf(target, filter_standard, vCoins, out_set, out_value, coin_selection_params_knapsack, bnb_used)); + BOOST_CHECK(wallet->SelectCoinsMinConf(target, filter_standard, coins, out_set, out_value, coin_selection_params_bnb, bnb_used) || + wallet->SelectCoinsMinConf(target, filter_standard, coins, out_set, out_value, coin_selection_params_knapsack, bnb_used)); BOOST_CHECK_GE(out_value, target); } }