solidity/test/Metadata.h

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/*
This file is part of solidity.
solidity 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.
solidity 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 solidity. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @date 2017
* Metadata processing helpers.
*/
#include <libdevcore/CommonData.h>
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#include <boost/optional.hpp>
#include <map>
#include <string>
namespace dev
{
namespace test
{
/// Returns only the CBOR metadata.
bytes onlyMetadata(bytes const& _bytecode);
/// Returns the bytecode with the metadata hash stripped out.
bytes bytecodeSansMetadata(bytes const& _bytecode);
/// Returns the bytecode with the metadata hash stripped out.
/// Throws exception on invalid hex string.
std::string bytecodeSansMetadata(std::string const& _bytecode);
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/// Parse CBOR metadata into a map. Expects the input CBOR to be a
/// fixed length map, with each key being a string. The values
/// are parsed as follows:
/// - strings into strings
/// - bytes into hex strings
/// - booleans into "true"/"false" strings
/// - everything else is invalid
boost::optional<std::map<std::string, std::string>> parseCBORMetadata(bytes const& _metadata);
/// Expects a serialised metadata JSON and returns true if the
/// content is valid metadata.
bool isValidMetadata(std::string const& _metadata);
}
} // end namespaces