From 808068e90e758b9c74878a5235b2c59731fec3e5 Mon Sep 17 00:00:00 2001 From: Andrew Chow Date: Tue, 5 Oct 2021 15:54:11 -0400 Subject: wallet: Allow user specified input size to override If the user specifies an input size, allow it to override any input size calculations during coin selection. --- src/wallet/test/spend_tests.cpp | 51 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'src/wallet/test/spend_tests.cpp') diff --git a/src/wallet/test/spend_tests.cpp b/src/wallet/test/spend_tests.cpp index b2a0697c21..334bd5b8bc 100644 --- a/src/wallet/test/spend_tests.cpp +++ b/src/wallet/test/spend_tests.cpp @@ -63,5 +63,56 @@ BOOST_FIXTURE_TEST_CASE(SubtractFee, TestChain100Setup) BOOST_CHECK_EQUAL(fee, check_tx(fee + 123)); } +static void TestFillInputToWeight(int64_t additional_weight, std::vector expected_stack_sizes) +{ + static const int64_t EMPTY_INPUT_WEIGHT = GetTransactionInputWeight(CTxIn()); + + CTxIn input; + int64_t target_weight = EMPTY_INPUT_WEIGHT + additional_weight; + BOOST_CHECK(FillInputToWeight(input, target_weight)); + BOOST_CHECK_EQUAL(GetTransactionInputWeight(input), target_weight); + BOOST_CHECK_EQUAL(input.scriptWitness.stack.size(), expected_stack_sizes.size()); + for (unsigned int i = 0; i < expected_stack_sizes.size(); ++i) { + BOOST_CHECK_EQUAL(input.scriptWitness.stack[i].size(), expected_stack_sizes[i]); + } +} + +BOOST_FIXTURE_TEST_CASE(FillInputToWeightTest, BasicTestingSetup) +{ + { + // Less than or equal minimum of 165 should not add any witness data + CTxIn input; + BOOST_CHECK(!FillInputToWeight(input, -1)); + BOOST_CHECK_EQUAL(GetTransactionInputWeight(input), 165); + BOOST_CHECK_EQUAL(input.scriptWitness.stack.size(), 0); + BOOST_CHECK(!FillInputToWeight(input, 0)); + BOOST_CHECK_EQUAL(GetTransactionInputWeight(input), 165); + BOOST_CHECK_EQUAL(input.scriptWitness.stack.size(), 0); + BOOST_CHECK(!FillInputToWeight(input, 164)); + BOOST_CHECK_EQUAL(GetTransactionInputWeight(input), 165); + BOOST_CHECK_EQUAL(input.scriptWitness.stack.size(), 0); + BOOST_CHECK(FillInputToWeight(input, 165)); + BOOST_CHECK_EQUAL(GetTransactionInputWeight(input), 165); + BOOST_CHECK_EQUAL(input.scriptWitness.stack.size(), 0); + } + + // Make sure we can add at least one weight + TestFillInputToWeight(1, {0}); + + // 1 byte compact size uint boundary + TestFillInputToWeight(252, {251}); + TestFillInputToWeight(253, {83, 168}); + TestFillInputToWeight(262, {86, 174}); + TestFillInputToWeight(263, {260}); + + // 3 byte compact size uint boundary + TestFillInputToWeight(65535, {65532}); + TestFillInputToWeight(65536, {21842, 43688}); + TestFillInputToWeight(65545, {21845, 43694}); + TestFillInputToWeight(65546, {65541}); + + // Note: We don't test the next boundary because of memory allocation constraints. +} + BOOST_AUTO_TEST_SUITE_END() } // namespace wallet -- cgit v1.2.3