2016-01-18 15:33:29 +00:00
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// Copyright (c) 2011-2016 The Cryptonote developers
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2015-09-18 11:55:31 +00:00
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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2015-07-30 15:22:07 +00:00
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#pragma once
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#include <atomic>
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#include <condition_variable>
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#include <mutex>
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#include <string>
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#include <thread>
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2015-09-04 16:14:17 +00:00
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#include <unordered_set>
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2015-07-30 15:22:07 +00:00
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#include "Common/ObserverManager.h"
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#include "INode.h"
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namespace System {
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class ContextGroup;
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class Dispatcher;
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class Event;
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}
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namespace CryptoNote {
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class HttpClient;
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2015-08-19 17:06:24 +00:00
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class INodeRpcProxyObserver {
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public:
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virtual ~INodeRpcProxyObserver() {}
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virtual void connectionStatusUpdated(bool connected) {}
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};
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2015-07-30 15:22:07 +00:00
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class NodeRpcProxy : public CryptoNote::INode {
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public:
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NodeRpcProxy(const std::string& nodeHost, unsigned short nodePort);
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virtual ~NodeRpcProxy();
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2015-10-01 15:27:18 +00:00
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virtual bool addObserver(CryptoNote::INodeObserver* observer) override;
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virtual bool removeObserver(CryptoNote::INodeObserver* observer) override;
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virtual bool addObserver(CryptoNote::INodeRpcProxyObserver* observer);
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virtual bool removeObserver(CryptoNote::INodeRpcProxyObserver* observer);
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2015-10-01 15:27:18 +00:00
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virtual void init(const Callback& callback) override;
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virtual bool shutdown() override;
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2015-10-01 15:27:18 +00:00
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virtual size_t getPeerCount() const override;
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virtual uint32_t getLastLocalBlockHeight() const override;
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virtual uint32_t getLastKnownBlockHeight() const override;
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virtual uint32_t getLocalBlockCount() const override;
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virtual uint32_t getKnownBlockCount() const override;
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virtual uint64_t getLastLocalBlockTimestamp() const override;
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2015-10-01 15:27:18 +00:00
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virtual void relayTransaction(const CryptoNote::Transaction& transaction, const Callback& callback) override;
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virtual void getRandomOutsByAmounts(std::vector<uint64_t>&& amounts, uint64_t outsCount, std::vector<COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount>& result, const Callback& callback) override;
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virtual void getNewBlocks(std::vector<Crypto::Hash>&& knownBlockIds, std::vector<CryptoNote::block_complete_entry>& newBlocks, uint32_t& startHeight, const Callback& callback) override;
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virtual void getTransactionOutsGlobalIndices(const Crypto::Hash& transactionHash, std::vector<uint32_t>& outsGlobalIndices, const Callback& callback) override;
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virtual void queryBlocks(std::vector<Crypto::Hash>&& knownBlockIds, uint64_t timestamp, std::vector<BlockShortEntry>& newBlocks, uint32_t& startHeight, const Callback& callback) override;
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virtual void getPoolSymmetricDifference(std::vector<Crypto::Hash>&& knownPoolTxIds, Crypto::Hash knownBlockId, bool& isBcActual,
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std::vector<std::unique_ptr<ITransactionReader>>& newTxs, std::vector<Crypto::Hash>& deletedTxIds, const Callback& callback) override;
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virtual void getMultisignatureOutputByGlobalIndex(uint64_t amount, uint32_t gindex, MultisignatureOutput& out, const Callback& callback) override;
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virtual void getBlocks(const std::vector<uint32_t>& blockHeights, std::vector<std::vector<BlockDetails>>& blocks, const Callback& callback) override;
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virtual void getBlocks(const std::vector<Crypto::Hash>& blockHashes, std::vector<BlockDetails>& blocks, const Callback& callback) override;
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virtual void getBlocks(uint64_t timestampBegin, uint64_t timestampEnd, uint32_t blocksNumberLimit, std::vector<BlockDetails>& blocks, uint32_t& blocksNumberWithinTimestamps, const Callback& callback) override;
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virtual void getTransactions(const std::vector<Crypto::Hash>& transactionHashes, std::vector<TransactionDetails>& transactions, const Callback& callback) override;
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virtual void getTransactionsByPaymentId(const Crypto::Hash& paymentId, std::vector<TransactionDetails>& transactions, const Callback& callback) override;
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virtual void getPoolTransactions(uint64_t timestampBegin, uint64_t timestampEnd, uint32_t transactionsNumberLimit, std::vector<TransactionDetails>& transactions, uint64_t& transactionsNumberWithinTimestamps, const Callback& callback) override;
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virtual void isSynchronized(bool& syncStatus, const Callback& callback) override;
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unsigned int rpcTimeout() const { return m_rpcTimeout; }
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void rpcTimeout(unsigned int val) { m_rpcTimeout = val; }
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private:
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void resetInternalState();
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void workerThread(const Callback& initialized_callback);
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2015-09-04 16:14:17 +00:00
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std::vector<Crypto::Hash> getKnownTxsVector() const;
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void pullNodeStatusAndScheduleTheNext();
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void updateNodeStatus();
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void updateBlockchainStatus();
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bool updatePoolStatus();
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2015-12-09 13:19:03 +00:00
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void updatePeerCount(size_t peerCount);
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2015-09-04 16:14:17 +00:00
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void updatePoolState(const std::vector<std::unique_ptr<ITransactionReader>>& addedTxs, const std::vector<Crypto::Hash>& deletedTxsIds);
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std::error_code doRelayTransaction(const CryptoNote::Transaction& transaction);
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std::error_code doGetRandomOutsByAmounts(std::vector<uint64_t>& amounts, uint64_t outsCount,
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std::vector<COMMAND_RPC_GET_RANDOM_OUTPUTS_FOR_AMOUNTS::outs_for_amount>& result);
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std::error_code doGetNewBlocks(std::vector<Crypto::Hash>& knownBlockIds,
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std::vector<CryptoNote::block_complete_entry>& newBlocks, uint32_t& startHeight);
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std::error_code doGetTransactionOutsGlobalIndices(const Crypto::Hash& transactionHash,
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std::vector<uint32_t>& outsGlobalIndices);
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std::error_code doQueryBlocksLite(const std::vector<Crypto::Hash>& knownBlockIds, uint64_t timestamp,
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std::vector<CryptoNote::BlockShortEntry>& newBlocks, uint32_t& startHeight);
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std::error_code doGetPoolSymmetricDifference(std::vector<Crypto::Hash>&& knownPoolTxIds, Crypto::Hash knownBlockId, bool& isBcActual,
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std::vector<std::unique_ptr<ITransactionReader>>& newTxs, std::vector<Crypto::Hash>& deletedTxIds);
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void scheduleRequest(std::function<std::error_code()>&& procedure, const Callback& callback);
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template <typename Request, typename Response>
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std::error_code binaryCommand(const std::string& url, const Request& req, Response& res);
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template <typename Request, typename Response>
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std::error_code jsonCommand(const std::string& url, const Request& req, Response& res);
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template <typename Request, typename Response>
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std::error_code jsonRpcCommand(const std::string& method, const Request& req, Response& res);
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enum State {
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STATE_NOT_INITIALIZED,
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STATE_INITIALIZING,
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STATE_INITIALIZED
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};
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private:
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State m_state = STATE_NOT_INITIALIZED;
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std::mutex m_mutex;
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std::condition_variable m_cv_initialized;
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std::thread m_workerThread;
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System::Dispatcher* m_dispatcher = nullptr;
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System::ContextGroup* m_context_group = nullptr;
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Tools::ObserverManager<CryptoNote::INodeObserver> m_observerManager;
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Tools::ObserverManager<CryptoNote::INodeRpcProxyObserver> m_rpcProxyObserverManager;
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const std::string m_nodeHost;
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const unsigned short m_nodePort;
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unsigned int m_rpcTimeout;
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HttpClient* m_httpClient = nullptr;
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System::Event* m_httpEvent = nullptr;
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uint64_t m_pullInterval;
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// Internal state
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bool m_stop = false;
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std::atomic<size_t> m_peerCount;
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std::atomic<uint32_t> m_nodeHeight;
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std::atomic<uint32_t> m_networkHeight;
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//protect it with mutex if decided to add worker threads
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Crypto::Hash m_lastKnowHash;
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std::atomic<uint64_t> m_lastLocalBlockTimestamp;
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std::unordered_set<Crypto::Hash> m_knownTxs;
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bool m_connected;
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2015-07-30 15:22:07 +00:00
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};
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}
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