hash_type.h

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// Copyright (c) 2020-2021 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) {}
 
    uint8_t *begin() { return m_hash.begin(); }
 
    const uint8_t *begin() const { return m_hash.begin(); }
 
    uint8_t *end() { return m_hash.end(); }
 
    const uint8_t *end() const { return m_hash.end(); }
 
    operator std::vector<uint8_t>() const {
        return std::vector<uint8_t>{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);
    }
 
    bool operator<(const BaseHash<HashType> &other) const noexcept {
        return m_hash < other.m_hash;
    }
 
    size_t size() const { return m_hash.size(); }
 
    uint8_t *data() { return m_hash.data(); }
    const uint8_t *data() const { return m_hash.data(); }
};
 
#endif // BITCOIN_UTIL_HASH_TYPE_H