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Add uint256 support to CRollingBloomFilter

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(cherry picked from commit bbe41088c61f2ad328766e851ffe6169aa80935a)
This commit is contained in:
Peter Todd
2015-07-17 06:42:43 -04:00
parent 8a915e56f4
commit 2983fe0484
2 changed files with 24 additions and 0 deletions
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22
src/bloom.cpp
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@@ -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();