hash_type.h

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// Copyright (c) 2020-present The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef BITCOIN_UTIL_HASH_TYPE_H
#define BITCOIN_UTIL_HASH_TYPE_H
 
template <typename HashType>
class BaseHash
{
protected:
    HashType m_hash;
 
public:
    BaseHash() : m_hash() {}
    explicit BaseHash(const HashType& in) : m_hash(in) {}
 
    unsigned char* begin()
    {
        return m_hash.begin();
    }
 
    const unsigned char* begin() const
    {
        return m_hash.begin();
    }
 
    unsigned char* end()
    {
        return m_hash.end();
    }
 
    const unsigned char* end() const
    {
        return m_hash.end();
    }
 
    operator std::vector<unsigned char>() const
    {
        return std::vector<unsigned char>{m_hash.begin(), m_hash.end()};
    }
 
    std::string ToString() const
    {
        return m_hash.ToString();
    }
 
    bool operator==(const BaseHash<HashType>& other) const noexcept
    {
        return m_hash == other.m_hash;
    }
 
    bool operator<(const BaseHash<HashType>& other) const noexcept
    {
        return m_hash < other.m_hash;
    }
 
    size_t size() const
    {
        return m_hash.size();
    }
 
    unsigned char* data() { return m_hash.data(); }
    const unsigned char* data() const { return m_hash.data(); }
};
 
#endif // BITCOIN_UTIL_HASH_TYPE_H