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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/>.
*/
/** @file TrieHash.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*/
#pragma once
#include <libdevcore/Common.h>
#include <libdevcore/FixedHash.h>
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);
}