TrieHash.h

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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/>.
*/
#pragma once
 
#include <libdevcore/FixedHash.h>
 
#include <vector>
 
namespace dev
{
 
bytes rlp256(BytesMap const& _s);
h256 hash256(BytesMap const& _s);
 
h256 orderedTrieRoot(std::vector<bytes> const& _data);
 
template <class T, class U> inline h256 trieRootOver(unsigned _itemCount, T const& _getKey, U const& _getValue)
{
    BytesMap m;
    for (unsigned i = 0; i < _itemCount; ++i)
        m[_getKey(i)] = _getValue(i);
    return hash256(m);
}
 
h256 orderedTrieRoot(std::vector<bytesConstRef> const& _data);
h256 orderedTrieRoot(std::vector<bytes> const& _data);
 
}