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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/>.
*/
/** @file MixClient.h
* @author Yann yann@ethdev.com
* @author Arkadiy Paronyan arkadiy@ethdev.com
* @date 2015
* Ethereum IDE client.
*/
#pragma once
#include <vector>
#include <string>
#include <libethcore/BasicAuthority.h>
#include <libethereum/ExtVM.h>
#include <libethereum/ClientBase.h>
#include <libethereum/Client.h>
#include "MachineStates.h"
namespace dev
{
namespace mix
{
class NoProof
{
class BlockHeaderRaw: public dev::eth::BlockInfo
{
public:
static const unsigned SealFields = 0;
protected:
BlockHeaderRaw() = default;
BlockHeaderRaw(BlockInfo const& _bi): BlockInfo(_bi) {}
void populateFromHeader(RLP const& _header, dev::eth::Strictness _s) { (void) _header; (void) _s; }
void populateFromParent(BlockHeaderRaw const& _parent) { (void)_parent; }
void streamRLPFields(RLPStream& _s) const { (void) _s; }
};
public:
static std::string name() { return "NoProof"; }
static unsigned revision() { return 0; }
using BlockHeader = dev::eth::BlockHeaderPolished<BlockHeaderRaw>;
private:
static AddressHash s_authorities;
};
class MixBlockChain: public dev::eth::FullBlockChain<NoProof>
{
public:
MixBlockChain(std::string const& _path, h256 _stateRoot);
static bytes createGenesisBlock(h256 _stateRoot);
};
class MixClient: public dev::eth::ClientBase
{
public:
MixClient(std::string const& _dbPath);
virtual ~MixClient();
/// Reset state to the empty state with given balance.
void resetState(std::unordered_map<dev::Address, dev::eth::Account> const& _accounts, Secret const& _miner = Secret());
void mine();
ExecutionResult lastExecution() const;
ExecutionResult execution(unsigned _index) const;
dev::eth::ExecutionResult call(Address const& _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice, eth::BlockNumber _blockNumber = eth::PendingBlock, eth::FudgeFactor _ff = eth::FudgeFactor::Strict) override;
dev::eth::ExecutionResult create(Address const& _secret, u256 _value, bytes const& _data = bytes(), u256 _gas = 10000, u256 _gasPrice = 10 * eth::szabo, eth::BlockNumber _blockNumber = eth::PendingBlock, eth::FudgeFactor _ff = eth::FudgeFactor::Strict) override;
using ClientBase::submitTransaction;
virtual std::pair<h256, Address> submitTransaction(eth::TransactionSkeleton const& _ts, Secret const& _secret) override { return submitTransaction(_ts, _secret, false); }
std::pair<h256, Address> submitTransaction(eth::TransactionSkeleton const& _ts, Secret const& _secret, bool _gasAuto);
dev::eth::ExecutionResult call(Address const& _secret, u256 _value, Address _dest, bytes const& _data, u256 _gas, u256 _gasPrice, eth::BlockNumber _blockNumber, bool _gasAuto, eth::FudgeFactor _ff = eth::FudgeFactor::Strict);
ExecutionResult debugTransaction(dev::eth::Transaction const& _t, eth:: State const& _state, eth::LastHashes const& _lastHashes, bool _call);
void setAddress(Address _us) override;
void startMining() override;
void stopMining() override;
bool isMining() const override;
uint64_t hashrate() const override;
eth::WorkingProgress miningProgress() const override;
virtual void flushTransactions() override {}
/// @returns the last mined block information
using Interface::blockInfo; // to remove warning about hiding virtual function
eth::BlockInfo blockInfo() const;
/// return the new address generated by the last tr (if creation). returns empty address if other cases.
Address lastCreatedContractAddr() const;
protected:
/// ClientBase methods
using ClientBase::asOf;
virtual dev::eth::State asOf(h256 const& _block) const override;
virtual dev::eth::BlockChain& bc() override { return *m_bc; }
virtual dev::eth::BlockChain const& bc() const override { return *m_bc; }
virtual dev::eth::State preMine() const override { ReadGuard l(x_state); return m_startState; }
virtual dev::eth::State postMine() const override { ReadGuard l(x_state); return m_state; }
virtual void prepareForTransaction() override {}
private:
void executeTransaction(dev::eth::Transaction const& _t, eth::State& _state, bool _call, bool _gasAuto, dev::Secret const& _secret = dev::Secret());
dev::eth::Transaction replaceGas(dev::eth::Transaction const& _t, dev::u256 const& _gas, dev::Secret const& _secret = dev::Secret());
eth::State m_state;
eth::State m_startState;
OverlayDB m_stateDB;
std::unique_ptr<MixBlockChain> m_bc;
mutable boost::shared_mutex x_state;
mutable boost::shared_mutex x_executions;
ExecutionResults m_executions;
std::string m_dbPath;
};
}
}