75 lines
2.6 KiB
C++
75 lines
2.6 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 <system_error>
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#include "ITransaction.h"
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#include "ITransfersContainer.h"
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#include "IStreamSerializable.h"
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namespace CryptoNote {
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struct SynchronizationStart {
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uint64_t timestamp;
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uint64_t height;
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};
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struct AccountSubscription {
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AccountKeys keys;
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SynchronizationStart syncStart;
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size_t transactionSpendableAge;
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};
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class ITransfersSubscription;
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class ITransfersObserver {
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public:
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virtual void onError(ITransfersSubscription* object,
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uint32_t height, std::error_code ec) {
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}
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virtual void onTransactionUpdated(ITransfersSubscription* object, const Crypto::Hash& transactionHash) {}
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/**
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* \note The sender must guarantee that onTransactionDeleted() is called only after onTransactionUpdated() is called
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* for the same \a transactionHash.
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*/
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virtual void onTransactionDeleted(ITransfersSubscription* object, const Crypto::Hash& transactionHash) {}
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};
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class ITransfersSubscription : public IObservable < ITransfersObserver > {
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public:
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virtual ~ITransfersSubscription() {}
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virtual AccountPublicAddress getAddress() = 0;
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virtual ITransfersContainer& getContainer() = 0;
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};
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class ITransfersSynchronizerObserver {
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public:
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virtual void onBlocksAdded(const Crypto::PublicKey& viewPublicKey, const std::vector<Crypto::Hash>& blockHashes) {}
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virtual void onBlockchainDetach(const Crypto::PublicKey& viewPublicKey, uint32_t blockIndex) {}
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virtual void onTransactionDeleteBegin(const Crypto::PublicKey& viewPublicKey, Crypto::Hash transactionHash) {}
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virtual void onTransactionDeleteEnd(const Crypto::PublicKey& viewPublicKey, Crypto::Hash transactionHash) {}
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virtual void onTransactionUpdated(const Crypto::PublicKey& viewPublicKey, const Crypto::Hash& transactionHash,
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const std::vector<ITransfersContainer*>& containers) {}
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};
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class ITransfersSynchronizer : public IStreamSerializable {
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public:
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virtual ~ITransfersSynchronizer() {}
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virtual ITransfersSubscription& addSubscription(const AccountSubscription& acc) = 0;
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virtual bool removeSubscription(const AccountPublicAddress& acc) = 0;
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virtual void getSubscriptions(std::vector<AccountPublicAddress>& subscriptions) = 0;
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// returns nullptr if address is not found
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virtual ITransfersSubscription* getSubscription(const AccountPublicAddress& acc) = 0;
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virtual std::vector<Crypto::Hash> getViewKeyKnownBlocks(const Crypto::PublicKey& publicViewKey) = 0;
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};
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}
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