blockfilter: Serialization methods on BlockFilter.

This commit is contained in:
Jim Posen 2018-01-23 17:27:06 -08:00 committed by Jim Posen
parent c1855f6052
commit cd09c7925b

View file

@ -82,7 +82,8 @@ enum BlockFilterType : uint8_t
};
/**
* Complete block filter struct as defined in BIP 157.
* Complete block filter struct as defined in BIP 157. Serialization matches
* payload of "cfilter" messages.
*/
class BlockFilter
{
@ -104,6 +105,35 @@ public:
{
return m_filter.GetEncoded();
}
template <typename Stream>
void Serialize(Stream& s) const {
s << m_block_hash
<< static_cast<uint8_t>(m_filter_type)
<< m_filter.GetEncoded();
}
template <typename Stream>
void Unserialize(Stream& s) {
std::vector<unsigned char> encoded_filter;
uint8_t filter_type;
s >> m_block_hash
>> filter_type
>> encoded_filter;
m_filter_type = static_cast<BlockFilterType>(filter_type);
switch (m_filter_type) {
case BlockFilterType::BASIC:
m_filter = GCSFilter(m_block_hash.GetUint64(0), m_block_hash.GetUint64(1),
BASIC_FILTER_P, BASIC_FILTER_M, std::move(encoded_filter));
break;
default:
throw std::ios_base::failure("unknown filter_type");
}
}
};
#endif // BITCOIN_BLOCKFILTER_H