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blockfilter: Functions to translate filter types to/from names.

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This commit is contained in:
Jim Posen
2018-08-27 15:42:35 -07:00
parent 62b7a4f094
commit ba6ff9a6f7
3 changed files with 40 additions and 0 deletions
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21
src/blockfilter.cpp
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@@ -15,6 +15,10 @@ static constexpr int GCS_SER_TYPE = SER_NETWORK;
/// Protocol version used to serialize parameters in GCS filter encoding.
static constexpr int GCS_SER_VERSION = 0;
static const std::map<BlockFilterType, std::string> g_filter_types = {
{BlockFilterType::BASIC, "basic"},
};
template <typename OStream>
static void GolombRiceEncode(BitStreamWriter<OStream>& bitwriter, uint8_t P, uint64_t x)
{
@@ -197,6 +201,23 @@ bool GCSFilter::MatchAny(const ElementSet& elements) const
return MatchInternal(queries.data(), queries.size());
}
const std::string& BlockFilterTypeName(BlockFilterType filter_type)
{
static std::string unknown_retval = "";
auto it = g_filter_types.find(filter_type);
return it != g_filter_types.end() ? it->second : unknown_retval;
}
bool BlockFilterTypeByName(const std::string& name, BlockFilterType& filter_type) {
for (const auto& entry : g_filter_types) {
if (entry.second == name) {
filter_type = entry.first;
return true;
}
}
return false;
}
static GCSFilter::ElementSet BasicFilterElements(const CBlock& block,
const CBlockUndo& block_undo)
{