76 lines
2.3 KiB
C++
76 lines
2.3 KiB
C++
// Copyright (c) 2012-2015, The CryptoNote developers, The Bytecoin developers
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//
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// This file is part of Bytecoin.
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//
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// Bytecoin is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser 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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//
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// Bytecoin 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with Bytecoin. If not, see <http://www.gnu.org/licenses/>.
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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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uint64_t height, std::error_code ec) {}
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virtual void onTransactionUpdated(ITransfersSubscription* object, const 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 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 AccountAddress getAddress() = 0;
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virtual ITransfersContainer& getContainer() = 0;
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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 AccountAddress& acc) = 0;
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virtual void getSubscriptions(std::vector<AccountAddress>& subscriptions) = 0;
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// returns nullptr if address is not found
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virtual ITransfersSubscription* getSubscription(const AccountAddress& acc) = 0;
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};
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}
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