From 0b2294a980319cbffa8612ce993e0ecaa26fa509 Mon Sep 17 00:00:00 2001 From: Gregory Sanders Date: Fri, 2 Dec 2016 15:29:20 -0500 Subject: SelectCoinsMinConf: Prefer coins with fewer ancestors --- src/wallet/test/wallet_tests.cpp | 74 ++++++++++++++++++++-------------------- 1 file changed, 37 insertions(+), 37 deletions(-) (limited to 'src/wallet/test') diff --git a/src/wallet/test/wallet_tests.cpp b/src/wallet/test/wallet_tests.cpp index ecbbcb145d..ce42fad5de 100644 --- a/src/wallet/test/wallet_tests.cpp +++ b/src/wallet/test/wallet_tests.cpp @@ -78,24 +78,24 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) empty_wallet(); // with an empty wallet we can't even pay one cent - BOOST_CHECK(!wallet.SelectCoinsMinConf( 1 * CENT, 1, 6, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(!wallet.SelectCoinsMinConf( 1 * CENT, 1, 6, 0, vCoins, setCoinsRet, nValueRet)); add_coin(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(!wallet.SelectCoinsMinConf( 1 * CENT, 1, 6, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(!wallet.SelectCoinsMinConf( 1 * CENT, 1, 6, 0, vCoins, setCoinsRet, nValueRet)); // but we can find a new 1 cent - BOOST_CHECK( wallet.SelectCoinsMinConf( 1 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf( 1 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 1 * CENT); add_coin(2*CENT); // add a mature 2 cent coin // we can't make 3 cents of mature coins - BOOST_CHECK(!wallet.SelectCoinsMinConf( 3 * CENT, 1, 6, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(!wallet.SelectCoinsMinConf( 3 * CENT, 1, 6, 0, vCoins, setCoinsRet, nValueRet)); // we can make 3 cents of new coins - BOOST_CHECK( wallet.SelectCoinsMinConf( 3 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf( 3 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 3 * CENT); add_coin(5*CENT); // add a mature 5 cent coin, @@ -105,33 +105,33 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) // 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(!wallet.SelectCoinsMinConf(38 * CENT, 1, 6, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(!wallet.SelectCoinsMinConf(38 * CENT, 1, 6, 0, vCoins, setCoinsRet, nValueRet)); // we can't even make 37 cents if we don't allow new coins even if they're from us - BOOST_CHECK(!wallet.SelectCoinsMinConf(38 * CENT, 6, 6, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(!wallet.SelectCoinsMinConf(38 * CENT, 6, 6, 0, vCoins, setCoinsRet, nValueRet)); // but we can make 37 cents if we accept new coins from ourself - BOOST_CHECK( wallet.SelectCoinsMinConf(37 * CENT, 1, 6, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(37 * CENT, 1, 6, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 37 * CENT); // and we can make 38 cents if we accept all new coins - BOOST_CHECK( wallet.SelectCoinsMinConf(38 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(38 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 38 * CENT); // try making 34 cents from 1,2,5,10,20 - we can't do it exactly - BOOST_CHECK( wallet.SelectCoinsMinConf(34 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(34 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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( wallet.SelectCoinsMinConf( 7 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf( 7 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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( wallet.SelectCoinsMinConf( 8 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf( 8 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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( wallet.SelectCoinsMinConf( 9 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf( 9 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 10 * CENT); BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); @@ -145,30 +145,30 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) add_coin(30*CENT); // now we have 6+7+8+20+30 = 71 cents total // check that we have 71 and not 72 - BOOST_CHECK( wallet.SelectCoinsMinConf(71 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); - BOOST_CHECK(!wallet.SelectCoinsMinConf(72 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(71 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(!wallet.SelectCoinsMinConf(72 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); // 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( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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 // 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( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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 // 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( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(16 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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( wallet.SelectCoinsMinConf(11 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(11 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 11 * CENT); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); @@ -177,11 +177,11 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) 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( wallet.SelectCoinsMinConf(95 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(95 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 1 * COIN); // we should get 1 BTC in 1 coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); - BOOST_CHECK( wallet.SelectCoinsMinConf(195 * CENT, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(195 * CENT, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 2 * COIN); // we should get 2 BTC in 1 coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); @@ -196,14 +196,14 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) // 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( wallet.SelectCoinsMinConf(MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(MIN_CHANGE, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, MIN_CHANGE); // but if we add a bigger coin, small change is avoided add_coin(1111*MIN_CHANGE); // try making 1 from 0.1 + 0.2 + 0.3 + 0.4 + 0.5 + 1111 = 1112.5 - BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 1 * MIN_CHANGE); // we should get the exact amount // if we add more small coins: @@ -211,7 +211,7 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) add_coin(MIN_CHANGE * 7 / 10); // and try again to make 1.0 * MIN_CHANGE - BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 1 * MIN_CHANGE); // we should get the exact amount // run the 'mtgox' test (see http://blockexplorer.com/tx/29a3efd3ef04f9153d47a990bd7b048a4b2d213daaa5fb8ed670fb85f13bdbcf) @@ -220,7 +220,7 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) for (int j = 0; j < 20; j++) add_coin(50000 * COIN); - BOOST_CHECK( wallet.SelectCoinsMinConf(500000 * COIN, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(500000 * COIN, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 500000 * COIN); // we should get the exact amount BOOST_CHECK_EQUAL(setCoinsRet.size(), 10U); // in ten coins @@ -233,7 +233,7 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) add_coin(MIN_CHANGE * 6 / 10); add_coin(MIN_CHANGE * 7 / 10); add_coin(1111 * MIN_CHANGE); - BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(1 * MIN_CHANGE, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 1111 * MIN_CHANGE); // we get the bigger coin BOOST_CHECK_EQUAL(setCoinsRet.size(), 1U); @@ -243,7 +243,7 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) add_coin(MIN_CHANGE * 6 / 10); add_coin(MIN_CHANGE * 8 / 10); add_coin(1111 * MIN_CHANGE); - BOOST_CHECK( wallet.SelectCoinsMinConf(MIN_CHANGE, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK( wallet.SelectCoinsMinConf(MIN_CHANGE, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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 @@ -254,12 +254,12 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) add_coin(MIN_CHANGE * 100); // trying to make 100.01 from these three coins - BOOST_CHECK(wallet.SelectCoinsMinConf(MIN_CHANGE * 10001 / 100, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(MIN_CHANGE * 10001 / 100, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); 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(wallet.SelectCoinsMinConf(MIN_CHANGE * 9990 / 100, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(MIN_CHANGE * 9990 / 100, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 101 * MIN_CHANGE); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); @@ -269,7 +269,7 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) // Create 676 inputs (= (old MAX_STANDARD_TX_SIZE == 100000) / 148 bytes per input) for (uint16_t j = 0; j < 676; j++) add_coin(amt); - BOOST_CHECK(wallet.SelectCoinsMinConf(2000, 1, 1, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(2000, 1, 1, 0, vCoins, setCoinsRet, nValueRet)); if (amt - 2000 < MIN_CHANGE) { // needs more than one input: uint16_t returnSize = std::ceil((2000.0 + MIN_CHANGE)/amt); @@ -291,8 +291,8 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) // picking 50 from 100 coins doesn't depend on the shuffle, // but does depend on randomness in the stochastic approximation code - BOOST_CHECK(wallet.SelectCoinsMinConf(50 * COIN, 1, 6, vCoins, setCoinsRet , nValueRet)); - BOOST_CHECK(wallet.SelectCoinsMinConf(50 * COIN, 1, 6, vCoins, setCoinsRet2, nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(50 * COIN, 1, 6, 0, vCoins, setCoinsRet , nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(50 * COIN, 1, 6, 0, vCoins, setCoinsRet2, nValueRet)); BOOST_CHECK(!equal_sets(setCoinsRet, setCoinsRet2)); int fails = 0; @@ -300,8 +300,8 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) { // 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(wallet.SelectCoinsMinConf(COIN, 1, 6, vCoins, setCoinsRet , nValueRet)); - BOOST_CHECK(wallet.SelectCoinsMinConf(COIN, 1, 6, vCoins, setCoinsRet2, nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(COIN, 1, 6, 0, vCoins, setCoinsRet , nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(COIN, 1, 6, 0, vCoins, setCoinsRet2, nValueRet)); if (equal_sets(setCoinsRet, setCoinsRet2)) fails++; } @@ -321,8 +321,8 @@ BOOST_AUTO_TEST_CASE(coin_selection_tests) { // 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(wallet.SelectCoinsMinConf(90*CENT, 1, 6, vCoins, setCoinsRet , nValueRet)); - BOOST_CHECK(wallet.SelectCoinsMinConf(90*CENT, 1, 6, vCoins, setCoinsRet2, nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(90*CENT, 1, 6, 0, vCoins, setCoinsRet , nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(90*CENT, 1, 6, 0, vCoins, setCoinsRet2, nValueRet)); if (equal_sets(setCoinsRet, setCoinsRet2)) fails++; } @@ -346,7 +346,7 @@ BOOST_AUTO_TEST_CASE(ApproximateBestSubset) add_coin(1000 * COIN); add_coin(3 * COIN); - BOOST_CHECK(wallet.SelectCoinsMinConf(1003 * COIN, 1, 6, vCoins, setCoinsRet, nValueRet)); + BOOST_CHECK(wallet.SelectCoinsMinConf(1003 * COIN, 1, 6, 0, vCoins, setCoinsRet, nValueRet)); BOOST_CHECK_EQUAL(nValueRet, 1003 * COIN); BOOST_CHECK_EQUAL(setCoinsRet.size(), 2U); } -- cgit v1.2.3