70 lines
2.8 KiB
C++
70 lines
2.8 KiB
C++
// Copyright (c) 2011-2016 The Cryptonote developers
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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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#pragma once
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#include <cstdint>
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#include <future>
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#include <system_error>
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#include <unordered_set>
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#include "crypto/crypto.h"
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#include "CryptoNoteCore/CryptoNoteBasic.h"
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#include "IObservable.h"
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#include "IStreamSerializable.h"
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#include "ITransfersSynchronizer.h"
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namespace CryptoNote {
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struct CompleteBlock;
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class IBlockchainSynchronizerObserver {
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public:
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virtual void synchronizationProgressUpdated(uint32_t processedBlockCount, uint32_t totalBlockCount) {}
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virtual void synchronizationCompleted(std::error_code result) {}
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};
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class IBlockchainConsumerObserver;
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class IBlockchainConsumer : public IObservable<IBlockchainConsumerObserver> {
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public:
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virtual ~IBlockchainConsumer() {}
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virtual SynchronizationStart getSyncStart() = 0;
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virtual const std::unordered_set<Crypto::Hash>& getKnownPoolTxIds() const = 0;
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virtual void onBlockchainDetach(uint32_t height) = 0;
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virtual bool onNewBlocks(const CompleteBlock* blocks, uint32_t startHeight, uint32_t count) = 0;
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virtual std::error_code onPoolUpdated(const std::vector<std::unique_ptr<ITransactionReader>>& addedTransactions, const std::vector<Crypto::Hash>& deletedTransactions) = 0;
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virtual std::error_code addUnconfirmedTransaction(const ITransactionReader& transaction) = 0;
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virtual void removeUnconfirmedTransaction(const Crypto::Hash& transactionHash) = 0;
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};
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class IBlockchainConsumerObserver {
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public:
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virtual void onBlocksAdded(IBlockchainConsumer* consumer, const std::vector<Crypto::Hash>& blockHashes) {}
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virtual void onBlockchainDetach(IBlockchainConsumer* consumer, uint32_t blockIndex) {}
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virtual void onTransactionDeleteBegin(IBlockchainConsumer* consumer, Crypto::Hash transactionHash) {}
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virtual void onTransactionDeleteEnd(IBlockchainConsumer* consumer, Crypto::Hash transactionHash) {}
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virtual void onTransactionUpdated(IBlockchainConsumer* consumer, const Crypto::Hash& transactionHash, const std::vector<ITransfersContainer*>& containers) {}
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};
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class IBlockchainSynchronizer :
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public IObservable<IBlockchainSynchronizerObserver>,
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public IStreamSerializable {
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public:
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virtual void addConsumer(IBlockchainConsumer* consumer) = 0;
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virtual bool removeConsumer(IBlockchainConsumer* consumer) = 0;
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virtual IStreamSerializable* getConsumerState(IBlockchainConsumer* consumer) const = 0;
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virtual std::vector<Crypto::Hash> getConsumerKnownBlocks(IBlockchainConsumer& consumer) const = 0;
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virtual std::future<std::error_code> addUnconfirmedTransaction(const ITransactionReader& transaction) = 0;
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virtual std::future<void> removeUnconfirmedTransaction(const Crypto::Hash& transactionHash) = 0;
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virtual void start() = 0;
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virtual void stop() = 0;
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};
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}
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