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Add uint256 support to CRollingBloomFilter

0.13
Peter Todd 9 years ago committed by Pieter Wuille
parent
commit
bbe41088c6
  1. 22
      src/bloom.cpp
  2. 2
      src/bloom.h

22
src/bloom.cpp

@ -234,6 +234,20 @@ void CRollingBloomFilter::insert(const std::vector<unsigned char>& vKey) @@ -234,6 +234,20 @@ void CRollingBloomFilter::insert(const std::vector<unsigned char>& vKey)
}
}
void CRollingBloomFilter::insert(const uint256& hash)
{
if (nInsertions == 0) {
b1.clear();
} else if (nInsertions == nBloomSize / 2) {
b2.clear();
}
b1.insert(hash);
b2.insert(hash);
if (++nInsertions == nBloomSize) {
nInsertions = 0;
}
}
bool CRollingBloomFilter::contains(const std::vector<unsigned char>& vKey) const
{
if (nInsertions < nBloomSize / 2) {
@ -242,6 +256,14 @@ bool CRollingBloomFilter::contains(const std::vector<unsigned char>& vKey) const @@ -242,6 +256,14 @@ bool CRollingBloomFilter::contains(const std::vector<unsigned char>& vKey) const
return b1.contains(vKey);
}
bool CRollingBloomFilter::contains(const uint256& hash) const
{
if (nInsertions < nBloomSize / 2) {
return b2.contains(hash);
}
return b1.contains(hash);
}
void CRollingBloomFilter::clear()
{
b1.clear();

2
src/bloom.h

@ -114,7 +114,9 @@ public: @@ -114,7 +114,9 @@ public:
CRollingBloomFilter(unsigned int nElements, double nFPRate, unsigned int nTweak);
void insert(const std::vector<unsigned char>& vKey);
void insert(const uint256& hash);
bool contains(const std::vector<unsigned char>& vKey) const;
bool contains(const uint256& hash) const;
void clear();

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