Browse Source

Add uint256 support to CRollingBloomFilter

tags/v0.15.1
Peter Todd 5 years ago
parent
commit
bbe41088c6
2 changed files with 24 additions and 0 deletions
  1. 22
    0
      src/bloom.cpp
  2. 2
    0
      src/bloom.h

+ 22
- 0
src/bloom.cpp View File

@@ -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
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
- 0
src/bloom.h View File

@@ -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();


Loading…
Cancel
Save