diff options
Diffstat (limited to 'src/wallet/test/coinselector_tests.cpp')
-rw-r--r-- | src/wallet/test/coinselector_tests.cpp | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/wallet/test/coinselector_tests.cpp b/src/wallet/test/coinselector_tests.cpp index 85f3cd7f3c..a418105ee1 100644 --- a/src/wallet/test/coinselector_tests.cpp +++ b/src/wallet/test/coinselector_tests.cpp @@ -74,11 +74,9 @@ static void add_coin(std::vector<COutput>& coins, CWallet& wallet, const CAmount tx.vout.resize(nInput + 1); tx.vout[nInput].nValue = nValue; if (spendable) { - CTxDestination dest; - bilingual_str error; - const bool destination_ok = wallet.GetNewDestination(OutputType::BECH32, "", dest, error); - assert(destination_ok); - tx.vout[nInput].scriptPubKey = GetScriptForDestination(dest); + auto op_dest = wallet.GetNewDestination(OutputType::BECH32, ""); + assert(op_dest.HasRes()); + tx.vout[nInput].scriptPubKey = GetScriptForDestination(op_dest.GetObj()); } uint256 txid = tx.GetHash(); @@ -867,7 +865,23 @@ BOOST_AUTO_TEST_CASE(waste_test) const CAmount new_target{in_amt - fee * 2 - fee_diff * 2}; add_coin(1 * COIN, 1, selection, fee, fee + fee_diff); add_coin(2 * COIN, 2, selection, fee, fee + fee_diff); - BOOST_CHECK_EQUAL(0, GetSelectionWaste(selection, /* change cost */ 0, new_target)); + BOOST_CHECK_EQUAL(0, GetSelectionWaste(selection, /*change_cost=*/ 0, new_target)); + selection.clear(); + + // Negative waste when the long term fee is greater than the current fee and the selected value == target + const CAmount exact_target1{3 * COIN - 2 * fee}; + const CAmount target_waste1{-2 * fee_diff}; // = (2 * fee) - (2 * (fee + fee_diff)) + add_coin(1 * COIN, 1, selection, fee, fee + fee_diff); + add_coin(2 * COIN, 2, selection, fee, fee + fee_diff); + BOOST_CHECK_EQUAL(target_waste1, GetSelectionWaste(selection, /*change_cost=*/ 0, exact_target1)); + selection.clear(); + + // Negative waste when the long term fee is greater than the current fee and change_cost < - (inputs * (fee - long_term_fee)) + const CAmount large_fee_diff{90}; + const CAmount target_waste2{-2 * large_fee_diff + change_cost}; // = (2 * fee) - (2 * (fee + large_fee_diff)) + change_cost + add_coin(1 * COIN, 1, selection, fee, fee + large_fee_diff); + add_coin(2 * COIN, 2, selection, fee, fee + large_fee_diff); + BOOST_CHECK_EQUAL(target_waste2, GetSelectionWaste(selection, change_cost, target)); } BOOST_AUTO_TEST_CASE(effective_value_test) |