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Improve STVector256 deserialization

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This commit is contained in:
Nik Bougalis
2022-06-11 22:01:35 -07:00
parent 47ccd0b579
commit 9eb303f8e8
3 changed files with 23 additions and 16 deletions
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26
src/ripple/protocol/impl/STVector256.cpp
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@@ -26,19 +26,19 @@ namespace ripple {
STVector256::STVector256(SerialIter& sit, SField const& name) : STBase(name)
{
Blob data = sit.getVL();
auto const count = data.size() / (256 / 8);
mValue.reserve(count);
Blob::iterator begin = data.begin();
unsigned int uStart = 0;
for (unsigned int i = 0; i != count; i++)
{
unsigned int uEnd = uStart + (256 / 8);
// This next line could be optimized to construct a default
// uint256 in the vector and then copy into it
mValue.push_back(uint256(Blob(begin + uStart, begin + uEnd)));
uStart = uEnd;
}
auto const slice = sit.getSlice(sit.getVLDataLength());
if (slice.size() % uint256::size() != 0)
Throw<std::runtime_error>(
"Bad serialization for STVector256: " +
std::to_string(slice.size()));
auto const cnt = slice.size() / uint256::size();
mValue.reserve(cnt);
for (std::size_t i = 0; i != cnt; ++i)
mValue.emplace_back(slice.substr(i * uint256::size(), uint256::size()));
}
STBase*