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[policy] check for duplicate txids in package

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Duplicates of normal transactions would be found by looking for
conflicting inputs, but this doesn't catch identical empty transactions.
These wouldn't be valid but exiting early is good and AcceptPackage's
result sanity checks assume non-duplicate transactions.
This commit is contained in:
glozow
2023-09-13 15:33:32 +01:00
parent b2ec0326fd
commit 7d7f7a1189
3 changed files with 22 additions and 4 deletions
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11
src/test/txpackage_tests.cpp
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@@ -66,6 +66,17 @@ BOOST_FIXTURE_TEST_CASE(package_sanitization_tests, TestChain100Setup)
BOOST_CHECK(!CheckPackage(package_too_large, state_too_large));
BOOST_CHECK_EQUAL(state_too_large.GetResult(), PackageValidationResult::PCKG_POLICY);
BOOST_CHECK_EQUAL(state_too_large.GetRejectReason(), "package-too-large");
// Packages can't contain transactions with the same txid.
Package package_duplicate_txids_empty;
for (auto i{0}; i < 3; ++i) {
CMutableTransaction empty_tx;
package_duplicate_txids_empty.emplace_back(MakeTransactionRef(empty_tx));
}
PackageValidationState state_duplicates;
BOOST_CHECK(!CheckPackage(package_duplicate_txids_empty, state_duplicates));
BOOST_CHECK_EQUAL(state_duplicates.GetResult(), PackageValidationResult::PCKG_POLICY);
BOOST_CHECK_EQUAL(state_duplicates.GetRejectReason(), "package-contains-duplicates");
}
BOOST_FIXTURE_TEST_CASE(package_validation_tests, TestChain100Setup)