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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 FixedHash.h
* @author Gav Wood <i@gavwood.com>
* @date 2014
*
* The FixedHash fixed-size "hash" container type.
*/
#pragma once
#include <string>
#include <libdevcore/FixedHash.h>
#include <libdevcore/vector_ref.h>
namespace dev
{
namespace eth
{
// SHA-3 convenience routines.
/// Calculate SHA3-256 hash of the given input and load it into the given output.
void sha3(bytesConstRef _input, bytesRef _output);
/// Calculate SHA3-256 hash of the given input, possibly interpreting it as nibbles, and return the hash as a string filled with binary data.
std::string sha3(std::string const& _input, bool _isNibbles);
/// Calculate SHA3-256 hash of the given input, returning as a byte array.
bytes sha3Bytes(bytesConstRef _input);
/// Calculate SHA3-256 hash of the given input (presented as a binary string), returning as a byte array.
inline bytes sha3Bytes(std::string const& _input) { return sha3Bytes((std::string*)&_input); }
/// Calculate SHA3-256 hash of the given input, returning as a byte array.
inline bytes sha3Bytes(bytes const& _input) { return sha3Bytes((bytes*)&_input); }
/// Calculate SHA3-256 hash of the given input, returning as a 256-bit hash.
h256 sha3(bytesConstRef _input);
/// Calculate SHA3-256 hash of the given input, returning as a 256-bit hash.
inline h256 sha3(bytes const& _input) { return sha3(bytesConstRef((bytes*)&_input)); }
/// Calculate SHA3-256 hash of the given input (presented as a binary-filled string), returning as a 256-bit hash.
inline h256 sha3(std::string const& _input) { return sha3(bytesConstRef(_input)); }
extern h256 EmptySHA3;
}
}