diff options
Diffstat (limited to 'src/wallet/test/coinselector_tests.cpp')
-rw-r--r-- | src/wallet/test/coinselector_tests.cpp | 94 |
1 files changed, 70 insertions, 24 deletions
diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp index d851101260..76f28917a4 100644 --- a/src/wallet/test/coinselector_tests.cpp +++ b/src/wallet/test/coinselector_tests.cpp @@ -41,7 +41,7 @@ static void add_coin(const CAmount& nValue, int nInput, std::vector<COutput>& se tx.vout.resize(nInput + 1); tx.vout[nInput].nValue = nValue; tx.nLockTime = nextLockTime++; // so all transactions get different hashes - set.emplace_back(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ -1, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false); + set.emplace_back(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ -1, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, /*fees=*/ 0); } static void add_coin(const CAmount& nValue, int nInput, SelectionResult& result) @@ -50,7 +50,7 @@ static void add_coin(const CAmount& nValue, int nInput, SelectionResult& result) tx.vout.resize(nInput + 1); tx.vout[nInput].nValue = nValue; tx.nLockTime = nextLockTime++; // so all transactions get different hashes - COutput output(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ -1, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false); + COutput output(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ -1, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, /*fees=*/ 0); OutputGroup group; group.Insert(output, /*ancestors=*/ 0, /*descendants=*/ 0, /*positive_only=*/ true); result.AddInput(group); @@ -62,14 +62,12 @@ static void add_coin(const CAmount& nValue, int nInput, CoinSet& set, CAmount fe tx.vout.resize(nInput + 1); tx.vout[nInput].nValue = nValue; tx.nLockTime = nextLockTime++; // so all transactions get different hashes - COutput coin(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ -1, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false); - coin.effective_value = nValue - fee; - coin.fee = fee; + COutput coin(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ 148, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, fee); coin.long_term_fee = long_term_fee; set.insert(coin); } -static void add_coin(std::vector<COutput>& coins, CWallet& wallet, const CAmount& nValue, int nAge = 6*24, bool fIsFromMe = false, int nInput=0, bool spendable = false) +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) { CMutableTransaction tx; tx.nLockTime = nextLockTime++; // so all transactions get different hashes @@ -88,7 +86,7 @@ static void add_coin(std::vector<COutput>& coins, CWallet& wallet, const CAmount auto ret = wallet.mapWallet.emplace(std::piecewise_construct, std::forward_as_tuple(txid), std::forward_as_tuple(MakeTransactionRef(std::move(tx)), TxStateInactive{})); assert(ret.second); CWalletTx& wtx = (*ret.first).second; - coins.emplace_back(COutPoint(wtx.GetHash(), nInput), wtx.tx->vout.at(nInput), nAge, GetTxSpendSize(wallet, wtx, nInput), /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, wtx.GetTxTime(), fIsFromMe); + coins.emplace_back(COutPoint(wtx.GetHash(), nInput), wtx.tx->vout.at(nInput), nAge, GetTxSpendSize(wallet, wtx, nInput), /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, wtx.GetTxTime(), fIsFromMe, feerate); } /** Check if SelectionResult a is equivalent to SelectionResult b. @@ -311,13 +309,13 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) std::vector<COutput> coins; - add_coin(coins, *wallet, 1); + 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)); // Test fees subtracted from output: coins.clear(); - add_coin(coins, *wallet, 1 * CENT); + add_coin(coins, *wallet, 1 * CENT, coin_selection_params_bnb.m_effective_feerate); coins.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); @@ -334,9 +332,9 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) std::vector<COutput> coins; - 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); + 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); CCoinControl coin_control; coin_control.fAllowOtherInputs = true; coin_control.Select(coins.at(0).outpoint); @@ -353,36 +351,49 @@ BOOST_AUTO_TEST_CASE(bnb_search_test) std::vector<COutput> coins; - add_coin(coins, *wallet, 10 * CENT, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 9 * CENT, 6 * 24, false, 0, true); - add_coin(coins, *wallet, 1 * CENT, 6 * 24, false, 0, true); - // 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); + expected_result.Clear(); add_coin(10 * CENT, 2, expected_result); CCoinControl coin_control; - coin_selection_params_bnb.m_effective_feerate = CFeeRate(5000); - coin_selection_params_bnb.m_long_term_feerate = CFeeRate(3000); const auto result11 = SelectCoins(*wallet, coins, 10 * CENT, coin_control, coin_selection_params_bnb); BOOST_CHECK(EquivalentResult(expected_result, *result11)); + 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); + expected_result.Clear(); add_coin(9 * CENT, 2, expected_result); add_coin(1 * CENT, 2, expected_result); - coin_selection_params_bnb.m_effective_feerate = CFeeRate(3000); - coin_selection_params_bnb.m_long_term_feerate = CFeeRate(5000); const auto result12 = SelectCoins(*wallet, coins, 10 * CENT, coin_control, coin_selection_params_bnb); BOOST_CHECK(EquivalentResult(expected_result, *result12)); + 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); + expected_result.Clear(); add_coin(9 * CENT, 2, expected_result); add_coin(1 * CENT, 2, expected_result); coin_control.fAllowOtherInputs = true; coin_control.Select(coins.at(1).outpoint); // pre select 9 coin - coin_selection_params_bnb.m_effective_feerate = CFeeRate(5000); - coin_selection_params_bnb.m_long_term_feerate = CFeeRate(3000); const auto result13 = SelectCoins(*wallet, coins, 10 * CENT, coin_control, coin_selection_params_bnb); BOOST_CHECK(EquivalentResult(expected_result, *result13)); } @@ -409,7 +420,7 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) // with an empty wallet we can't even pay one cent BOOST_CHECK(!KnapsackSolver(KnapsackGroupOutputs(coins, *wallet, filter_standard), 1 * CENT, CENT)); - add_coin(coins, *wallet, 1*CENT, 4); // add a new 1 cent coin + add_coin(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)); @@ -430,7 +441,7 @@ BOOST_AUTO_TEST_CASE(knapsack_solver_test) 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, 3, true); // a new 10 cent coin sent from one of our own addresses + 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 // now we have new: 1+10=11 (of which 10 was self-sent), and mature: 2+5+20=27. total = 38 @@ -857,5 +868,40 @@ BOOST_AUTO_TEST_CASE(waste_test) BOOST_CHECK_EQUAL(0, GetSelectionWaste(selection, /* change cost */ 0, new_target)); } +BOOST_AUTO_TEST_CASE(effective_value_test) +{ + const int input_bytes = 148; + const CFeeRate feerate(1000); + const CAmount nValue = 10000; + const int nInput = 0; + + CMutableTransaction tx; + tx.vout.resize(1); + tx.vout[nInput].nValue = nValue; + + // standard case, pass feerate in constructor + COutput output1(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, input_bytes, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, feerate); + const CAmount expected_ev1 = 9852; // 10000 - 148 + BOOST_CHECK_EQUAL(output1.GetEffectiveValue(), expected_ev1); + + // input bytes unknown (input_bytes = -1), pass feerate in constructor + COutput output2(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ -1, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, feerate); + BOOST_CHECK_EQUAL(output2.GetEffectiveValue(), nValue); // The effective value should be equal to the absolute value if input_bytes is -1 + + // negative effective value, pass feerate in constructor + COutput output3(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, input_bytes, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, CFeeRate(100000)); + const CAmount expected_ev3 = -4800; // 10000 - 14800 + BOOST_CHECK_EQUAL(output3.GetEffectiveValue(), expected_ev3); + + // standard case, pass fees in constructor + const CAmount fees = 148; + COutput output4(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, input_bytes, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, fees); + BOOST_CHECK_EQUAL(output4.GetEffectiveValue(), expected_ev1); + + // input bytes unknown (input_bytes = -1), pass fees in constructor + COutput output5(COutPoint(tx.GetHash(), nInput), tx.vout.at(nInput), /*depth=*/ 1, /*input_bytes=*/ -1, /*spendable=*/ true, /*solvable=*/ true, /*safe=*/ true, /*time=*/ 0, /*from_me=*/ false, /*fees=*/ 0); + BOOST_CHECK_EQUAL(output5.GetEffectiveValue(), nValue); // The effective value should be equal to the absolute value if input_bytes is -1 +} + BOOST_AUTO_TEST_SUITE_END() } // namespace wallet |