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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/>.
*/
#pragma once
#include <memory>
#include <libdevcore/Exceptions.h>
#include "ExtVMFace.h"
namespace dev
{
namespace eth
{
struct VMException: virtual Exception {};
struct StepsDone: virtual VMException {};
struct BreakPointHit: virtual VMException {};
struct BadInstruction: virtual VMException {};
struct BadJumpDestination: virtual VMException {};
struct OutOfGas: virtual VMException {};
struct OutOfStack: virtual VMException {};
struct StackUnderflow: virtual VMException {};
/// EVM Virtual Machine interface
class VMFace
{
public:
VMFace() = default;
virtual ~VMFace() = default;
VMFace(VMFace const&) = delete;
VMFace& operator=(VMFace const&) = delete;
virtual bytesConstRef go(u256& io_gas, ExtVMFace& _ext, OnOpFunc const& _onOp = {}, uint64_t _steps = (uint64_t)-1) = 0;
};
}
}