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hash: add HashedSourceWriter

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This class is the counterpart to CHashVerifier, in that it
writes data to an underlying source stream,
while keeping a hash of the written data.
This commit is contained in:
Martin Zumsande
2023-01-15 20:18:11 -05:00
parent 32834034a3
commit da6c7aeca3
2 changed files with 39 additions and 0 deletions
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14
src/test/streams_tests.cpp
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@@ -500,4 +500,18 @@ BOOST_AUTO_TEST_CASE(streams_buffered_file_rand)
fs::remove(streams_test_filename);
}
BOOST_AUTO_TEST_CASE(streams_hashed)
{
CDataStream stream(SER_NETWORK, INIT_PROTO_VERSION);
HashedSourceWriter hash_writer{stream};
const std::string data{"bitcoin"};
hash_writer << data;
CHashVerifier hash_verifier{&stream};
std::string result;
hash_verifier >> result;
BOOST_CHECK_EQUAL(data, result);
BOOST_CHECK_EQUAL(hash_writer.GetHash(), hash_verifier.GetHash());
}
BOOST_AUTO_TEST_SUITE_END()