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CBloomFilter::clear() method

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This commit is contained in:
Tom Harding 2014-06-25 16:21:29 -07:00
parent 6259937388
commit 8fbf03995d
3 changed files with 13 additions and 0 deletions
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7
src/bloom.cpp
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@ -94,6 +94,13 @@ bool CBloomFilter::contains(const uint256& hash) const
return contains(data); return contains(data);
} }
void CBloomFilter::clear()
{
vData.assign(vData.size(),0);
isFull = false;
isEmpty = true;
}
bool CBloomFilter::IsWithinSizeConstraints() const bool CBloomFilter::IsWithinSizeConstraints() const
{ {
return vData.size() <= MAX_BLOOM_FILTER_SIZE && nHashFuncs <= MAX_HASH_FUNCS; return vData.size() <= MAX_BLOOM_FILTER_SIZE && nHashFuncs <= MAX_HASH_FUNCS;

2
src/bloom.h
View File

@ -78,6 +78,8 @@ public:
bool contains(const COutPoint& outpoint) const; bool contains(const COutPoint& outpoint) const;
bool contains(const uint256& hash) const; bool contains(const uint256& hash) const;
void clear();
// True if the size is <= MAX_BLOOM_FILTER_SIZE and the number of hash functions is <= MAX_HASH_FUNCS // True if the size is <= MAX_BLOOM_FILTER_SIZE and the number of hash functions is <= MAX_HASH_FUNCS
// (catch a filter which was just deserialized which was too big) // (catch a filter which was just deserialized which was too big)
bool IsWithinSizeConstraints() const; bool IsWithinSizeConstraints() const;

4
src/test/bloom_tests.cpp
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@ -45,6 +45,10 @@ BOOST_AUTO_TEST_CASE(bloom_create_insert_serialize)
expected[i] = (char)vch[i]; expected[i] = (char)vch[i];
BOOST_CHECK_EQUAL_COLLECTIONS(stream.begin(), stream.end(), expected.begin(), expected.end()); BOOST_CHECK_EQUAL_COLLECTIONS(stream.begin(), stream.end(), expected.begin(), expected.end());
BOOST_CHECK_MESSAGE( filter.contains(ParseHex("99108ad8ed9bb6274d3980bab5a85c048f0950c8")), "BloomFilter doesn't contain just-inserted object!");
filter.clear();
BOOST_CHECK_MESSAGE( !filter.contains(ParseHex("99108ad8ed9bb6274d3980bab5a85c048f0950c8")), "BloomFilter should be empty!");
} }
BOOST_AUTO_TEST_CASE(bloom_create_insert_serialize_with_tweak) BOOST_AUTO_TEST_CASE(bloom_create_insert_serialize_with_tweak)