mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
81 lines
1.9 KiB
C++
81 lines
1.9 KiB
C++
/*
|
|
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 <string>
|
|
#include <iostream>
|
|
#include <regex>
|
|
#include <libdevcore/JSON.h>
|
|
|
|
using namespace std;
|
|
|
|
namespace dev
|
|
{
|
|
namespace test
|
|
{
|
|
|
|
string bytecodeSansMetadata(string const& _bytecode)
|
|
{
|
|
/// The metadata hash takes up 43 bytes (or 86 characters in hex)
|
|
/// /a165627a7a72305820([0-9a-f]{64})0029$/
|
|
|
|
if (_bytecode.size() < 88)
|
|
return _bytecode;
|
|
|
|
if (_bytecode.substr(_bytecode.size() - 4, 4) != "0029")
|
|
return _bytecode;
|
|
|
|
if (_bytecode.substr(_bytecode.size() - 86, 18) != "a165627a7a72305820")
|
|
return _bytecode;
|
|
|
|
return _bytecode.substr(0, _bytecode.size() - 86);
|
|
}
|
|
|
|
bool isValidMetadata(string const& _metadata)
|
|
{
|
|
Json::Value metadata;
|
|
if (!Json::Reader().parse(_metadata, metadata, false))
|
|
return false;
|
|
|
|
if (
|
|
!metadata.isObject() ||
|
|
!metadata.isMember("version") ||
|
|
!metadata.isMember("language") ||
|
|
!metadata.isMember("compiler") ||
|
|
!metadata.isMember("settings") ||
|
|
!metadata.isMember("sources") ||
|
|
!metadata.isMember("output")
|
|
)
|
|
return false;
|
|
|
|
if (!metadata["version"].isNumeric() || metadata["version"] != 1)
|
|
return false;
|
|
|
|
if (!metadata["language"].isString() || metadata["language"].asString() != "Solidity")
|
|
return false;
|
|
|
|
/// @TODO add more strict checks
|
|
|
|
return true;
|
|
}
|
|
|
|
}
|
|
} // end namespaces
|