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148 lines
4.8 KiB
148 lines
4.8 KiB
/*
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This file is part of cpp-ethereum.
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cpp-ethereum is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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cpp-ethereum is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with cpp-ethereum. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file Ethereum.h
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* @author Gav Wood <i@gavwood.com>
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* @date 2014
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*/
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#pragma once
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#include <thread>
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#include <mutex>
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#include <list>
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#include <atomic>
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#include <boost/utility.hpp>
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#include <libethential/Common.h>
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#include <libethential/CommonIO.h>
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#include <libethential/Guards.h>
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#include <libevm/FeeStructure.h>
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#include <libp2p/Common.h>
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#include <libethcore/Dagger.h>
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#include <libethereum/PastMessage.h>
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#include <libethereum/MessageFilter.h>
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#include <libethereum/CommonNet.h>
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namespace dev
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{
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namespace eth
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{
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class Client;
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/**
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* @brief Main API hub for interfacing with Ethereum.
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* This class is automatically able to share a single machine-wide Client instance with other
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* instances, cross-process.
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*
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* Other than that, it provides much the same subset of functionality as Client.
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*/
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class Ethereum
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{
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friend class OldMiner;
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public:
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/// Constructor. After this, everything should be set up to go.
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Ethereum();
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/// Destructor.
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~Ethereum();
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/// Submits the given message-call transaction.
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void submitTransaction(Secret const& _secret, u256 _value, Address _dest, bytes const& _data = bytes(), u256 _gas = 10000, u256 _gasPrice = DefaultGasPrice);
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/// Submits a new contract-creation transaction.
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/// @returns the new contract's address (assuming it all goes through).
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Address submitTransaction(Secret const& _secret, u256 _endowment, bytes const& _init, u256 _gas = 10000, u256 _gasPrice = DefaultGasPrice);
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/// Injects the RLP-encoded transaction given by the _rlp into the transaction queue directly.
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void inject(bytesConstRef _rlp);
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/// Blocks until all pending transactions have been processed.
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void flushTransactions();
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/// Makes the given call. Nothing is recorded into the state.
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bytes call(Address const& _from, u256 _value, Address _dest, bytes const& _data = bytes(), u256 _gas = 10000, u256 _gasPrice = DefaultGasPrice);
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// Informational stuff
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// [NEW API]
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int getDefault() const { return m_default; }
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void setDefault(int _block) { m_default = _block; }
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u256 balanceAt(Address _a) const { return balanceAt(_a, m_default); }
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u256 countAt(Address _a) const { return countAt(_a, m_default); }
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u256 stateAt(Address _a, u256 _l) const { return stateAt(_a, _l, m_default); }
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bytes codeAt(Address _a) const { return codeAt(_a, m_default); }
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std::map<u256, u256> storageAt(Address _a) const { return storageAt(_a, m_default); }
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u256 balanceAt(Address _a, int _block) const;
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u256 countAt(Address _a, int _block) const;
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u256 stateAt(Address _a, u256 _l, int _block) const;
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bytes codeAt(Address _a, int _block) const;
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std::map<u256, u256> storageAt(Address _a, int _block) const;
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PastMessages messages(MessageFilter const& _filter) const;
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// [EXTRA API]:
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#if 0
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/// Get a map containing each of the pending transactions.
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/// @TODO: Remove in favour of transactions().
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Transactions pending() const { return m_postMine.pending(); }
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/// Differences between transactions.
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StateDiff diff(unsigned _txi) const { return diff(_txi, m_default); }
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StateDiff diff(unsigned _txi, h256 _block) const;
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StateDiff diff(unsigned _txi, int _block) const;
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/// Get a list of all active addresses.
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std::vector<Address> addresses() const { return addresses(m_default); }
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std::vector<Address> addresses(int _block) const;
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/// Get the fee associated for a transaction with the given data.
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static u256 txGas(uint _dataCount, u256 _gas = 0) { return c_txDataGas * _dataCount + c_txGas + _gas; }
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/// Get the remaining gas limit in this block.
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u256 gasLimitRemaining() const { return m_postMine.gasLimitRemaining(); }
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#endif
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// Network stuff:
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/// Get information on the current peer set.
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std::vector<p2p::PeerInfo> peers();
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/// Same as peers().size(), but more efficient.
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size_t peerCount() const;
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/// Connect to a particular peer.
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void connect(std::string const& _seedHost, unsigned short _port = 30303);
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private:
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/// Ensure that through either the client or the
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void ensureReady();
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/// Check to see if the client/server connection is open.
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bool connectionOpen() const;
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/// Start the API client.
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void connectToRPCServer();
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/// Start the API server.
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void startRPCServer();
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std::unique_ptr<Client> m_client;
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int m_default = -1;
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};
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}
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}
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