solidity/test/contracts/ContractInterface.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/>.
*/
#pragma once
#include <boost/test/unit_test.hpp>
#include <test/ExecutionFramework.h>
#include <functional>
namespace solidity::test
{
class ContractInterface
{
public:
ContractInterface(ExecutionFramework& _framework): m_framework(_framework) {}
void setNextValue(u256 const& _value) { m_nextValue = _value; }
protected:
template <class... Args>
bytes const& call(std::string const& _sig, Args const&... _arguments)
{
auto const& ret = m_framework.callContractFunctionWithValue(_sig, m_nextValue, _arguments...);
m_nextValue = 0;
return ret;
}
void callString(std::string const& _name, std::string const& _arg)
{
BOOST_CHECK(call(_name + "(string)", u256(0x20), _arg.length(), _arg).empty());
}
void callStringAddress(std::string const& _name, std::string const& _arg1, u160 const& _arg2)
{
BOOST_CHECK(call(_name + "(string,address)", u256(0x40), _arg2, _arg1.length(), _arg1).empty());
}
void callStringAddressBool(std::string const& _name, std::string const& _arg1, u160 const& _arg2, bool _arg3)
{
BOOST_CHECK(call(_name + "(string,address,bool)", u256(0x60), _arg2, _arg3, _arg1.length(), _arg1).empty());
}
void callStringBytes32(std::string const& _name, std::string const& _arg1, util::h256 const& _arg2)
{
BOOST_CHECK(call(_name + "(string,bytes32)", u256(0x40), _arg2, _arg1.length(), _arg1).empty());
}
u160 callStringReturnsAddress(std::string const& _name, std::string const& _arg)
{
bytes const& ret = call(_name + "(string)", u256(0x20), _arg.length(), _arg);
BOOST_REQUIRE(ret.size() == 0x20);
BOOST_CHECK(std::count(ret.begin(), ret.begin() + 12, 0) == 12);
return u160(u256(util::h256(ret)));
}
std::string callAddressReturnsString(std::string const& _name, u160 const& _arg)
{
bytesConstRef const ret(&call(_name + "(address)", _arg));
BOOST_REQUIRE(ret.size() >= 0x40);
u256 offset(util::h256(ret.cropped(0, 0x20)));
BOOST_REQUIRE_EQUAL(offset, 0x20);
u256 len(util::h256(ret.cropped(0x20, 0x20)));
BOOST_REQUIRE_EQUAL(ret.size(), 0x40 + ((len + 0x1f) / 0x20) * 0x20);
return ret.cropped(0x40, size_t(len)).toString();
}
util::h256 callStringReturnsBytes32(std::string const& _name, std::string const& _arg)
{
bytes const& ret = call(_name + "(string)", u256(0x20), _arg.length(), _arg);
BOOST_REQUIRE(ret.size() == 0x20);
return util::h256(ret);
}
private:
u256 m_nextValue;
ExecutionFramework& m_framework;
};
} // end namespaces