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96 lines
2.3 KiB
96 lines
2.3 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 EthereumPeer.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 <mutex>
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#include <array>
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#include <set>
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#include <memory>
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#include <utility>
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#include <libdevcore/RLP.h>
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#include <libdevcore/Guards.h>
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#include <libdevcore/RangeMask.h>
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#include <libethcore/CommonEth.h>
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#include <libp2p/Capability.h>
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#include "CommonNet.h"
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#include "DownloadMan.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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/**
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* @brief The EthereumPeer class
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* @todo Document fully.
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*/
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class EthereumPeer: public p2p::Capability
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{
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friend class EthereumHost;
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public:
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EthereumPeer(p2p::Session* _s, p2p::HostCapabilityFace* _h);
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virtual ~EthereumPeer();
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static std::string name() { return "eth"; }
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EthereumHost* host() const;
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private:
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virtual bool interpret(RLP const& _r);
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void sendStatus();
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void startInitialSync();
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void tryGrabbingHashChain();
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/// Ensure that we are waiting for a bunch of blocks from our peer.
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void ensureGettingChain();
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/// Ensure that we are waiting for a bunch of blocks from our peer.
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void continueGettingChain();
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void giveUpOnFetch();
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void clearKnownTransactions() { std::lock_guard<std::mutex> l(x_knownTransactions); m_knownTransactions.clear(); }
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void setGrabbing(Grabbing _g);
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unsigned m_protocolVersion;
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u256 m_networkId;
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Grabbing m_grabbing;
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h256 m_latestHash; ///< Peer's latest block's hash.
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u256 m_totalDifficulty; ///< Peer's latest block's total difficulty.
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h256s m_neededBlocks; ///< The blocks that we should download from this peer.
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bool m_requireTransactions;
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Mutex x_knownBlocks;
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std::set<h256> m_knownBlocks;
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std::set<h256> m_knownTransactions;
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std::mutex x_knownTransactions;
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DownloadSub m_sub;
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};
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}
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}
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