mirror of
https://github.com/ethereum/solidity
synced 2023-10-03 13:03:40 +00:00
98 lines
3.4 KiB
C++
98 lines
3.4 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/>.
|
|
*/
|
|
/**
|
|
* EVM execution host, i.e. component that implements a simulated Ethereum blockchain
|
|
* for testing purposes.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <test/evmc/mocked_host.hpp>
|
|
#include <test/evmc/evmc.hpp>
|
|
#include <test/evmc/evmc.h>
|
|
|
|
#include <liblangutil/EVMVersion.h>
|
|
|
|
#include <libsolutil/FixedHash.h>
|
|
|
|
namespace solidity::test
|
|
{
|
|
using Address = util::h160;
|
|
|
|
class EVMHost: public evmc::MockedHost
|
|
{
|
|
public:
|
|
using MockedHost::get_code_size;
|
|
using MockedHost::get_balance;
|
|
|
|
/// Tries to dynamically load libevmone. @returns nullptr on failure.
|
|
/// The path has to be provided for the first successful run and will be ignored
|
|
/// afterwards.
|
|
static evmc::VM& getVM(std::string const& _path = {});
|
|
|
|
explicit EVMHost(langutil::EVMVersion _evmVersion, evmc::VM& _vm = getVM());
|
|
|
|
void reset() { accounts.clear(); m_currentAddress = {}; }
|
|
void newBlock()
|
|
{
|
|
tx_context.block_number++;
|
|
tx_context.block_timestamp += 15;
|
|
recorded_logs.clear();
|
|
}
|
|
|
|
bool account_exists(evmc::address const& _addr) const noexcept final
|
|
{
|
|
return evmc::MockedHost::account_exists(_addr);
|
|
}
|
|
|
|
void selfdestruct(evmc::address const& _addr, evmc::address const& _beneficiary) noexcept final;
|
|
|
|
evmc::result call(evmc_message const& _message) noexcept final;
|
|
|
|
evmc::bytes32 get_block_hash(int64_t number) const noexcept final;
|
|
|
|
static Address convertFromEVMC(evmc::address const& _addr);
|
|
static evmc::address convertToEVMC(Address const& _addr);
|
|
static util::h256 convertFromEVMC(evmc::bytes32 const& _data);
|
|
static evmc::bytes32 convertToEVMC(util::h256 const& _data);
|
|
|
|
private:
|
|
evmc::address m_currentAddress = {};
|
|
|
|
static evmc::result precompileECRecover(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileSha256(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileRipeMD160(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileIdentity(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileModExp(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileALTBN128G1Add(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileALTBN128G1Mul(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileALTBN128PairingProduct(evmc_message const& _message) noexcept;
|
|
static evmc::result precompileGeneric(evmc_message const& _message, std::map<bytes, bytes> const& _inOut) noexcept;
|
|
/// @returns a result object with no gas usage and result data taken from @a _data.
|
|
/// @note The return value is only valid as long as @a _data is alive!
|
|
static evmc::result resultWithGas(evmc_message const& _message, bytes const& _data) noexcept;
|
|
|
|
evmc::VM& m_vm;
|
|
// EVM version requested by the testing tool
|
|
langutil::EVMVersion m_evmVersion;
|
|
// EVM version requested from EVMC (matches the above)
|
|
evmc_revision m_evmRevision;
|
|
};
|
|
|
|
|
|
}
|