util/common/hash.hpp

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// Copyright (c) 2021 MIT Digital Currency Initiative,
//                    Federal Reserve Bank of Boston
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
#ifndef OPENCBDC_TX_SRC_COMMON_HASH_H_
#define OPENCBDC_TX_SRC_COMMON_HASH_H_
 
#include "crypto/siphash.h"
 
#include <array>
#include <sstream>
 
namespace cbdc {
    static constexpr const int hash_size = 32;
 
    using hash_t = std::array<unsigned char, cbdc::hash_size>;
 
    auto to_string(const hash_t& val) -> std::string;
 
    auto hash_from_hex(const std::string& val) -> hash_t;
 
    auto hash_data(const std::byte* data, size_t len) -> hash_t;
}
 
#endif // OPENCBDC_TX_SRC_COMMON_HASH_H_