chia-blockchain/lib/bip158/python-bindings/PyBIP158.cpp

74 lines
1.9 KiB
C++

// Copyright 2018 Chia Network Inc
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "PyBIP158.h"
PyBIP158::PyBIP158(std::vector< std::vector< unsigned char > >& hashes)
{
GCSFilter::ElementSet elements;
for (int i = 0; i < hashes.size(); ++i)
{
GCSFilter::Element element(hashes[i].size());
for(int j=0;j<hashes[i].size();j++)
{
element[j] = hashes[i][j];
}
elements.insert(std::move(element));
}
filter=new GCSFilter({0, 0, 20, 1 << 20},elements);
}
PyBIP158::PyBIP158(std::vector< unsigned char > & encoded_filter)
{
filter=new GCSFilter({0, 0, 20, 1 << 20}, encoded_filter);
}
const std::vector<unsigned char>& PyBIP158::GetEncoded()
{
return filter->GetEncoded();
}
PyBIP158::~PyBIP158()
{
delete filter;
}
bool PyBIP158::Match(std::vector< unsigned char >& hash)
{
GCSFilter::Element element(hash.size());
for(int j=0;j<hash.size();j++)
{
element[j] = hash[j];
}
return filter->Match(element);
}
bool PyBIP158::MatchAny(std::vector< std::vector< unsigned char > >& hashes)
{
GCSFilter::ElementSet elements;
for (int i = 0; i < hashes.size(); ++i)
{
GCSFilter::Element element(hashes[i].size());
for(int j=0;j<hashes[i].size();j++)
{
element[j] = hashes[i][j];
}
elements.insert(std::move(element));
}
return filter->MatchAny(elements);
}