diff options
Diffstat (limited to 'src/wallet/test/coinselector_tests.cpp')
| -rw-r--r-- | src/wallet/test/coinselector_tests.cpp | 264 |
1 files changed, 132 insertions, 132 deletions
diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp index a418105ee1..cd7fd3f4dd 100644 --- a/src/wallet/test/coinselector_tests.cpp +++ b/src/wallet/test/coinselector_tests.cpp @@ -67,7 +67,7 @@ static void add_coin(const CAmount& nValue, int nInput, CoinSet& set, CAmount fe set.insert(coin); } -static void add_coin(std::vector<COutput>& coins, CWallet& wallet, const CAmount& nValue, CFeeRate feerate = CFeeRate(0), int nAge = 6*24, bool fIsFromMe = false, int nInput=0, bool spendable = false) +static void add_coin(CoinsResult& available_coins, CWallet& wallet, const CAmount& nValue, CFeeRate feerate = CFeeRate(0), int nAge = 6*24, bool fIsFromMe = false, int nInput =0, bool spendable = false) { CMutableTransaction tx; tx.nLockTime = nextLockTime++; // so all transactions get different hashes @@ -85,7 +85,7 @@ static void add_coin(std::vector<COutput>& coins, CWallet& wallet, const CAmount assert(ret.second); CWalletTx& wtx = (*ret.first).second; const auto& txout = wtx.tx->vout.at(nInput); - coins.emplace_back(COutPoint(wtx.GetHash(), nInput), txout, nAge, CalculateMaximumSignedInputSize(txout, &wallet, /*coin_control=*/nullptr), /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, wtx.GetTxTime(), fIsFromMe, feerate); + available_coins.bech32.emplace_back(COutPoint(wtx.GetHash(), nInput), txout, nAge, CalculateMaximumSignedInputSize(txout, &wallet, /*coin_control=*/nullptr), /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, wtx.GetTxTime(), fIsFromMe, feerate); } /** Check if SelectionResult a is equivalent to SelectionResult b. @@ -129,18 +129,18 @@ static CAmount make_hard_case(int utxos, std::vector<COutput>& utxo_pool) return target; } -inline std::vector<OutputGroup>& GroupCoins(const std::vector<COutput>& coins) +inline std::vector<OutputGroup>& GroupCoins(const std::vector<COutput>& available_coins) { static std::vector<OutputGroup> static_groups; static_groups.clear(); - for (auto& coin : coins) { + for (auto& coin : available_coins) { static_groups.emplace_back(); static_groups.back().Insert(coin, /*ancestors=*/ 0, /*descendants=*/ 0, /*positive_only=*/ false); } return static_groups; } -inline std::vector<OutputGroup>& KnapsackGroupOutputs(const std::vector<COutput>& coins, CWallet& wallet, const CoinEligibilityFilter& filter) +inline std::vector<OutputGroup>& KnapsackGroupOutputs(const std::vector<COutput>& available_coins, CWallet& wallet, const CoinEligibilityFilter& filter) { FastRandomContext rand{}; CoinSelectionParams coin_selection_params{ @@ -155,7 +155,7 @@ inline std::vector<OutputGroup>& KnapsackGroupOutputs(const std::vector<COutput> /*avoid_partial=*/ false, }; static std::vector<OutputGroup> static_groups; - static_groups = GroupOutputs(wallet, coins, coin_selection_params, filter, /*positive_only=*/false); + static_groups = GroupOutputs(wallet, available_coins, coin_selection_params, filter, /*positive_only=*/false); return static_groups; } @@ -307,18 +307,18 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS); wallet->SetupDescriptorScriptPubKeyMans(); - std::vector<COutput> coins; + CoinsResult available_coins; - add_coin(coins, *wallet, 1, coin_selection_params_bnb.m_effective_feerate); - coins.at(0).input_bytes = 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(!SelectCoinsBnB(GroupCoins(coins), 1 * CENT, coin_selection_params_bnb.m_cost_of_change)); + add_coin(available_coins, *wallet, 1, coin_selection_params_bnb.m_effective_feerate); + available_coins.all().at(0).input_bytes = 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(!SelectCoinsBnB(GroupCoins(available_coins.all()), 1 * CENT, coin_selection_params_bnb.m_cost_of_change)); // Test fees subtracted from output: - coins.clear(); - add_coin(coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate); - coins.at(0).input_bytes = 40; + available_coins.clear(); + add_coin(available_coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate); + available_coins.all().at(0).input_bytes = 40; coin_selection_params_bnb.m_subtract_fee_outputs = true; - const auto result9 = SelectCoinsBnB(GroupCoins(coins), 1 * CENT, coin_selection_params_bnb.m_cost_of_change); + const auto result9 = SelectCoinsBnB(GroupCoins(available_coins.all()), 1 * CENT, coin_selection_params_bnb.m_cost_of_change); BOOST_CHECK(result9); BOOST_CHECK_EQUAL(result9->GetSelectedValue(), 1 * CENT); } @@ -330,16 +330,16 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS); wallet->SetupDescriptorScriptPubKeyMans(); - std::vector<COutput> coins; + CoinsResult available_coins; - add_coin(coins, *wallet, 5 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 3 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 2 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 5 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 3 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 2 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); CCoinControl coin_control; coin_control.m_allow_other_inputs = true; - coin_control.Select(coins.at(0).outpoint); + coin_control.Select(available_coins.all().at(0).outpoint); coin_selection_params_bnb.m_effective_feerate = CFeeRate(0); - const auto result10 = SelectCoins(*wallet, coins, 10 * CENT, coin_control, coin_selection_params_bnb); + const auto result10 = SelectCoins(*wallet, available_coins, 10 * CENT, coin_control, coin_selection_params_bnb); BOOST_CHECK(result10); } { @@ -349,52 +349,52 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS); wallet->SetupDescriptorScriptPubKeyMans(); - std::vector<COutput> coins; + CoinsResult available_coins; // single coin should be selected when effective fee > long term fee coin_selection_params_bnb.m_effective_feerate = CFeeRate(5000); coin_selection_params_bnb.m_long_term_feerate = CFeeRate(3000); - add_coin(coins, *wallet, 10 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 9 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 10 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 9 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); expected_result.Clear(); add_coin(10 * CENT, 2, expected_result); CCoinControl coin_control; - const auto result11 = SelectCoins(*wallet, coins, 10 * CENT, coin_control, coin_selection_params_bnb); + const auto result11 = SelectCoins(*wallet, available_coins, 10 * CENT, coin_control, coin_selection_params_bnb); BOOST_CHECK(EquivalentResult(expected_result, *result11)); - coins.clear(); + available_coins.clear(); // more coins should be selected when effective fee < long term fee coin_selection_params_bnb.m_effective_feerate = CFeeRate(3000); coin_selection_params_bnb.m_long_term_feerate = CFeeRate(5000); - add_coin(coins, *wallet, 10 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 9 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 10 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 9 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); expected_result.Clear(); add_coin(9 * CENT, 2, expected_result); add_coin(1 * CENT, 2, expected_result); - const auto result12 = SelectCoins(*wallet, coins, 10 * CENT, coin_control, coin_selection_params_bnb); + const auto result12 = SelectCoins(*wallet, available_coins, 10 * CENT, coin_control, coin_selection_params_bnb); BOOST_CHECK(EquivalentResult(expected_result, *result12)); - coins.clear(); + available_coins.clear(); // pre selected coin should be selected even if disadvantageous coin_selection_params_bnb.m_effective_feerate = CFeeRate(5000); coin_selection_params_bnb.m_long_term_feerate = CFeeRate(3000); - add_coin(coins, *wallet, 10 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 9 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 10 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 9 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); + add_coin(available_coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate, 6 * 24, false, 0, true); expected_result.Clear(); add_coin(9 * CENT, 2, expected_result); add_coin(1 * CENT, 2, expected_result); coin_control.m_allow_other_inputs = true; - coin_control.Select(coins.at(1).outpoint); // pre select 9 coin - const auto result13 = SelectCoins(*wallet, coins, 10 * CENT, coin_control, coin_selection_params_bnb); + coin_control.Select(available_coins.all().at(1).outpoint); // pre select 9 coin + const auto result13 = SelectCoins(*wallet, available_coins, 10 * CENT, coin_control, coin_selection_params_bnb); BOOST_CHECK(EquivalentResult(expected_result, *result13)); } } @@ -410,175 +410,175 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS); wallet->SetupDescriptorScriptPubKeyMans(); - std::vector<COutput> coins; + CoinsResult available_coins; // test multiple times to allow for differences in the shuffle order for (int i = 0; i < RUN_TESTS; i++) { - coins.clear(); + available_coins.clear(); // with an empty wallet we can't even pay one cent - BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard), 1 * CENT, CENT)); + BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_standard), 1 * CENT, CENT)); - add_coin(coins, *wallet, 1*CENT, CFeeRate(0), 4); // add a new 1 cent coin + add_coin(available_coins, *wallet, 1*CENT, CFeeRate(0), 4); // add a new 1 cent coin // with a new 1 cent coin, we still can't find a mature 1 cent - BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard), 1 * CENT, CENT)); + BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_standard), 1 * CENT, CENT)); // but we can find a new 1 cent - const auto result1 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 1 * CENT, CENT); + const auto result1 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 1 * CENT, CENT); BOOST_CHECK(result1); BOOST_CHECK_EQUAL(result1->GetSelectedValue(), 1 * CENT); - add_coin(coins, *wallet, 2*CENT); // add a mature 2 cent coin + add_coin(available_coins, *wallet, 2*CENT); // add a mature 2 cent coin // we can't make 3 cents of mature coins - BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard), 3 * CENT, CENT)); + BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_standard), 3 * CENT, CENT)); // we can make 3 cents of new coins - const auto result2 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 3 * CENT, CENT); + const auto result2 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 3 * CENT, CENT); BOOST_CHECK(result2); BOOST_CHECK_EQUAL(result2->GetSelectedValue(), 3 * CENT); - add_coin(coins, *wallet, 5*CENT); // add a mature 5 cent coin, - add_coin(coins, *wallet, 10*CENT, CFeeRate(0), 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 + add_coin(available_coins, *wallet, 5*CENT); // add a mature 5 cent coin, + add_coin(available_coins, *wallet, 10*CENT, CFeeRate(0), 3, true); // a new 10 cent coin sent from one of our own addresses + add_coin(available_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(!KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard), 38 * CENT, CENT)); + BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_standard), 38 * CENT, CENT)); // we can't even make 37 cents if we don't allow new coins even if they're from us - BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard_extra), 38 * CENT, CENT)); + BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_standard_extra), 38 * CENT, CENT)); // but we can make 37 cents if we accept new coins from ourself - const auto result3 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard), 37 * CENT, CENT); + const auto result3 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_standard), 37 * CENT, CENT); BOOST_CHECK(result3); BOOST_CHECK_EQUAL(result3->GetSelectedValue(), 37 * CENT); // and we can make 38 cents if we accept all new coins - const auto result4 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 38 * CENT, CENT); + const auto result4 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 38 * CENT, CENT); BOOST_CHECK(result4); BOOST_CHECK_EQUAL(result4->GetSelectedValue(), 38 * CENT); // try making 34 cents from 1,2,5,10,20 - we can't do it exactly - const auto result5 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 34 * CENT, CENT); + const auto result5 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 34 * CENT, CENT); BOOST_CHECK(result5); BOOST_CHECK_EQUAL(result5->GetSelectedValue(), 35 * CENT); // but 35 cents is closest BOOST_CHECK_EQUAL(result5->GetInputSet().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 - const auto result6 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 7 * CENT, CENT); + const auto result6 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 7 * CENT, CENT); BOOST_CHECK(result6); BOOST_CHECK_EQUAL(result6->GetSelectedValue(), 7 * CENT); BOOST_CHECK_EQUAL(result6->GetInputSet().size(), 2U); // when we try making 8 cents, the smaller coins (1,2,5) are exactly enough. - const auto result7 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 8 * CENT, CENT); + const auto result7 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 8 * CENT, CENT); BOOST_CHECK(result7); BOOST_CHECK(result7->GetSelectedValue() == 8 * CENT); BOOST_CHECK_EQUAL(result7->GetInputSet().size(), 3U); // when we try making 9 cents, no subset of smaller coins is enough, and we get the next bigger coin (10) - const auto result8 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 9 * CENT, CENT); + const auto result8 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 9 * CENT, CENT); BOOST_CHECK(result8); BOOST_CHECK_EQUAL(result8->GetSelectedValue(), 10 * CENT); BOOST_CHECK_EQUAL(result8->GetInputSet().size(), 1U); // now clear out the wallet and start again to test choosing between subsets of smaller coins and the next biggest coin - coins.clear(); + available_coins.clear(); - 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 + add_coin(available_coins, *wallet, 6*CENT); + add_coin(available_coins, *wallet, 7*CENT); + add_coin(available_coins, *wallet, 8*CENT); + add_coin(available_coins, *wallet, 20*CENT); + add_coin(available_coins, *wallet, 30*CENT); // now we have 6+7+8+20+30 = 71 cents total // check that we have 71 and not 72 - const auto result9 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 71 * CENT, CENT); + const auto result9 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 71 * CENT, CENT); BOOST_CHECK(result9); - BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 72 * CENT, CENT)); + BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 72 * CENT, CENT)); // 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 - const auto result10 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 16 * CENT, CENT); + const auto result10 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 16 * CENT, CENT); BOOST_CHECK(result10); BOOST_CHECK_EQUAL(result10->GetSelectedValue(), 20 * CENT); // we should get 20 in one coin BOOST_CHECK_EQUAL(result10->GetInputSet().size(), 1U); - add_coin(coins, *wallet, 5*CENT); // now we have 5+6+7+8+20+30 = 75 cents total + add_coin(available_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 - const auto result11 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 16 * CENT, CENT); + const auto result11 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 16 * CENT, CENT); BOOST_CHECK(result11); BOOST_CHECK_EQUAL(result11->GetSelectedValue(), 18 * CENT); // we should get 18 in 3 coins BOOST_CHECK_EQUAL(result11->GetInputSet().size(), 3U); - add_coin(coins, *wallet, 18*CENT); // now we have 5+6+7+8+18+20+30 + add_coin(available_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 - const auto result12 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 16 * CENT, CENT); + const auto result12 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 16 * CENT, CENT); BOOST_CHECK(result12); BOOST_CHECK_EQUAL(result12->GetSelectedValue(), 18 * CENT); // we should get 18 in 1 coin BOOST_CHECK_EQUAL(result12->GetInputSet().size(), 1U); // because in the event of a tie, the biggest coin wins // now try making 11 cents. we should get 5+6 - const auto result13 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 11 * CENT, CENT); + const auto result13 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 11 * CENT, CENT); BOOST_CHECK(result13); BOOST_CHECK_EQUAL(result13->GetSelectedValue(), 11 * CENT); BOOST_CHECK_EQUAL(result13->GetInputSet().size(), 2U); // check that the smallest bigger coin is 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 - const auto result14 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 95 * CENT, CENT); + add_coin(available_coins, *wallet, 1*COIN); + add_coin(available_coins, *wallet, 2*COIN); + add_coin(available_coins, *wallet, 3*COIN); + add_coin(available_coins, *wallet, 4*COIN); // now we have 5+6+7+8+18+20+30+100+200+300+400 = 1094 cents + const auto result14 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 95 * CENT, CENT); BOOST_CHECK(result14); BOOST_CHECK_EQUAL(result14->GetSelectedValue(), 1 * COIN); // we should get 1 BTC in 1 coin BOOST_CHECK_EQUAL(result14->GetInputSet().size(), 1U); - const auto result15 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 195 * CENT, CENT); + const auto result15 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 195 * CENT, CENT); BOOST_CHECK(result15); BOOST_CHECK_EQUAL(result15->GetSelectedValue(), 2 * COIN); // we should get 2 BTC in 1 coin BOOST_CHECK_EQUAL(result15->GetInputSet().size(), 1U); // empty the wallet and start again, now with fractions of a cent, to test small change avoidance - coins.clear(); - add_coin(coins, *wallet, CENT * 1 / 10); - add_coin(coins, *wallet, CENT * 2 / 10); - add_coin(coins, *wallet, CENT * 3 / 10); - add_coin(coins, *wallet, CENT * 4 / 10); - add_coin(coins, *wallet, CENT * 5 / 10); + available_coins.clear(); + add_coin(available_coins, *wallet, CENT * 1 / 10); + add_coin(available_coins, *wallet, CENT * 2 / 10); + add_coin(available_coins, *wallet, CENT * 3 / 10); + add_coin(available_coins, *wallet, CENT * 4 / 10); + add_coin(available_coins, *wallet, CENT * 5 / 10); // try making 1 * CENT from the 1.5 * CENT // we'll get change smaller than CENT whatever happens, so can expect CENT exactly - const auto result16 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), CENT, CENT); + const auto result16 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), CENT, CENT); BOOST_CHECK(result16); BOOST_CHECK_EQUAL(result16->GetSelectedValue(), CENT); // but if we add a bigger coin, small change is avoided - add_coin(coins, *wallet, 1111*CENT); + add_coin(available_coins, *wallet, 1111*CENT); // try making 1 from 0.1 + 0.2 + 0.3 + 0.4 + 0.5 + 1111 = 1112.5 - const auto result17 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 1 * CENT, CENT); + const auto result17 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 1 * CENT, CENT); BOOST_CHECK(result17); BOOST_CHECK_EQUAL(result17->GetSelectedValue(), 1 * CENT); // we should get the exact amount // if we add more small coins: - add_coin(coins, *wallet, CENT * 6 / 10); - add_coin(coins, *wallet, CENT * 7 / 10); + add_coin(available_coins, *wallet, CENT * 6 / 10); + add_coin(available_coins, *wallet, CENT * 7 / 10); // and try again to make 1.0 * CENT - const auto result18 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 1 * CENT, CENT); + const auto result18 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 1 * CENT, CENT); BOOST_CHECK(result18); BOOST_CHECK_EQUAL(result18->GetSelectedValue(), 1 * CENT); // 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 - coins.clear(); + available_coins.clear(); for (int j = 0; j < 20; j++) - add_coin(coins, *wallet, 50000 * COIN); + add_coin(available_coins, *wallet, 50000 * COIN); - const auto result19 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 500000 * COIN, CENT); + const auto result19 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 500000 * COIN, CENT); BOOST_CHECK(result19); BOOST_CHECK_EQUAL(result19->GetSelectedValue(), 500000 * COIN); // we should get the exact amount BOOST_CHECK_EQUAL(result19->GetInputSet().size(), 10U); // in ten coins @@ -587,41 +587,41 @@ 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: - coins.clear(); - add_coin(coins, *wallet, CENT * 5 / 10); - add_coin(coins, *wallet, CENT * 6 / 10); - add_coin(coins, *wallet, CENT * 7 / 10); - add_coin(coins, *wallet, 1111 * CENT); - const auto result20 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 1 * CENT, CENT); + available_coins.clear(); + add_coin(available_coins, *wallet, CENT * 5 / 10); + add_coin(available_coins, *wallet, CENT * 6 / 10); + add_coin(available_coins, *wallet, CENT * 7 / 10); + add_coin(available_coins, *wallet, 1111 * CENT); + const auto result20 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 1 * CENT, CENT); BOOST_CHECK(result20); BOOST_CHECK_EQUAL(result20->GetSelectedValue(), 1111 * CENT); // we get the bigger coin BOOST_CHECK_EQUAL(result20->GetInputSet().size(), 1U); // but sometimes it's possible, and we use an exact subset (0.4 + 0.6 = 1.0) - coins.clear(); - add_coin(coins, *wallet, CENT * 4 / 10); - add_coin(coins, *wallet, CENT * 6 / 10); - add_coin(coins, *wallet, CENT * 8 / 10); - add_coin(coins, *wallet, 1111 * CENT); - const auto result21 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), CENT, CENT); + available_coins.clear(); + add_coin(available_coins, *wallet, CENT * 4 / 10); + add_coin(available_coins, *wallet, CENT * 6 / 10); + add_coin(available_coins, *wallet, CENT * 8 / 10); + add_coin(available_coins, *wallet, 1111 * CENT); + const auto result21 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), CENT, CENT); BOOST_CHECK(result21); BOOST_CHECK_EQUAL(result21->GetSelectedValue(), CENT); // we should get the exact amount BOOST_CHECK_EQUAL(result21->GetInputSet().size(), 2U); // in two coins 0.4+0.6 // test avoiding small change - coins.clear(); - add_coin(coins, *wallet, CENT * 5 / 100); - add_coin(coins, *wallet, CENT * 1); - add_coin(coins, *wallet, CENT * 100); + available_coins.clear(); + add_coin(available_coins, *wallet, CENT * 5 / 100); + add_coin(available_coins, *wallet, CENT * 1); + add_coin(available_coins, *wallet, CENT * 100); // trying to make 100.01 from these three coins - const auto result22 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), CENT * 10001 / 100, CENT); + const auto result22 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), CENT * 10001 / 100, CENT); BOOST_CHECK(result22); BOOST_CHECK_EQUAL(result22->GetSelectedValue(), CENT * 10105 / 100); // we should get all coins BOOST_CHECK_EQUAL(result22->GetInputSet().size(), 3U); // but if we try to make 99.9, we should take the bigger of the two small coins to avoid small change - const auto result23 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), CENT * 9990 / 100, CENT); + const auto result23 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), CENT * 9990 / 100, CENT); BOOST_CHECK(result23); BOOST_CHECK_EQUAL(result23->GetSelectedValue(), 101 * CENT); BOOST_CHECK_EQUAL(result23->GetInputSet().size(), 2U); @@ -629,14 +629,14 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) // test with many inputs for (CAmount amt=1500; amt < COIN; amt*=10) { - coins.clear(); + available_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); + add_coin(available_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++) { - const auto result24 = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_confirmed), 2000, CENT); + const auto result24 = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_confirmed), 2000, CENT); BOOST_CHECK(result24); if (amt - 2000 < CENT) { @@ -655,17 +655,17 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) // test randomness { - coins.clear(); + available_coins.clear(); for (int i2 = 0; i2 < 100; i2++) - add_coin(coins, *wallet, COIN); + add_coin(available_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 - const auto result25 = KnapsackSolver(GroupCoins(coins), 50 * COIN, CENT); + const auto result25 = KnapsackSolver(GroupCoins(available_coins.all()), 50 * COIN, CENT); BOOST_CHECK(result25); - const auto result26 = KnapsackSolver(GroupCoins(coins), 50 * COIN, CENT); + const auto result26 = KnapsackSolver(GroupCoins(available_coins.all()), 50 * COIN, CENT); BOOST_CHECK(result26); BOOST_CHECK(!EqualResult(*result25, *result26)); @@ -676,9 +676,9 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) // When choosing 1 from 100 identical coins, 1% of the time, this test will choose the same coin twice // which will cause it to fail. // To avoid that issue, run the test RANDOM_REPEATS times and only complain if all of them fail - const auto result27 = KnapsackSolver(GroupCoins(coins), COIN, CENT); + const auto result27 = KnapsackSolver(GroupCoins(available_coins.all()), COIN, CENT); BOOST_CHECK(result27); - const auto result28 = KnapsackSolver(GroupCoins(coins), COIN, CENT); + const auto result28 = KnapsackSolver(GroupCoins(available_coins.all()), COIN, CENT); BOOST_CHECK(result28); if (EqualResult(*result27, *result28)) fails++; @@ -689,19 +689,19 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) // 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); + add_coin(available_coins, *wallet, 5 * CENT); + add_coin(available_coins, *wallet, 10 * CENT); + add_coin(available_coins, *wallet, 15 * CENT); + add_coin(available_coins, *wallet, 20 * CENT); + add_coin(available_coins, *wallet, 25 * CENT); for (int i = 0; i < RUN_TESTS; i++) { int fails = 0; for (int j = 0; j < RANDOM_REPEATS; j++) { - const auto result29 = KnapsackSolver(GroupCoins(coins), 90 * CENT, CENT); + const auto result29 = KnapsackSolver(GroupCoins(available_coins.all()), 90 * CENT, CENT); BOOST_CHECK(result29); - const auto result30 = KnapsackSolver(GroupCoins(coins), 90 * CENT, CENT); + const auto result30 = KnapsackSolver(GroupCoins(available_coins.all()), 90 * CENT, CENT); BOOST_CHECK(result30); if (EqualResult(*result29, *result30)) fails++; @@ -720,14 +720,14 @@ BOOST_AUTO_TEST_CASE(ApproximateBestSubset) wallet->SetWalletFlag(WALLET_FLAG_DESCRIPTORS); wallet->SetupDescriptorScriptPubKeyMans(); - std::vector<COutput> coins; + CoinsResult available_coins; // Test vValue sort order for (int i = 0; i < 1000; i++) - add_coin(coins, *wallet, 1000 * COIN); - add_coin(coins, *wallet, 3 * COIN); + add_coin(available_coins, *wallet, 1000 * COIN); + add_coin(available_coins, *wallet, 3 * COIN); - const auto result = KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard), 1003 * COIN, CENT, rand); + const auto result = KnapsackSolver(KnapsackGroupOutputs(available_coins.all(), *wallet, filter_standard), 1003 * COIN, CENT, rand); BOOST_CHECK(result); BOOST_CHECK_EQUAL(result->GetSelectedValue(), 1003 * COIN); BOOST_CHECK_EQUAL(result->GetInputSet().size(), 2U); @@ -750,14 +750,14 @@ BOOST_AUTO_TEST_CASE(SelectCoins_test) // Run this test 100 times for (int i = 0; i < 100; ++i) { - std::vector<COutput> coins; + CoinsResult available_coins; CAmount balance{0}; // Make a wallet with 1000 exponentially distributed random inputs for (int j = 0; j < 1000; ++j) { CAmount val = distribution(generator)*10000000; - add_coin(coins, *wallet, val); + add_coin(available_coins, *wallet, val); balance += val; } @@ -780,7 +780,7 @@ BOOST_AUTO_TEST_CASE(SelectCoins_test) /*avoid_partial=*/ false, }; CCoinControl cc; - const auto result = SelectCoins(*wallet, coins, target, cc, cs_params); + const auto result = SelectCoins(*wallet, available_coins, target, cc, cs_params); BOOST_CHECK(result); BOOST_CHECK_GE(result->GetSelectedValue(), target); } |