FixedHash.cpp

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/*
    This file is part of cpp-ethereum.
 
    cpp-ethereum is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    cpp-ethereum is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with cpp-ethereum.  If not, see <http://www.gnu.org/licenses/>.
*/
 
#include "FixedHash.h"
#include <boost/algorithm/string.hpp>
 
namespace dev
{
 
std::random_device s_fixedHashEngine;
 
h128 fromUUID(std::string const& _uuid)
{
    try
    {
        return h128(boost::replace_all_copy(_uuid, "-", ""));
    }
    catch (...)
    {
        return h128();
    }
}
 
std::string toUUID(h128 const& _uuid)
{
    std::string ret = toHex(_uuid.ref());
    for (unsigned i: {20, 16, 12, 8})
        ret.insert(ret.begin() + i, '-');
    return ret;
}
 
}