danicoin/include/ITransfersSynchronizer.h
2016-01-18 15:33:29 +00:00

74 lines
2.6 KiB
C++

// Copyright (c) 2011-2016 The Cryptonote developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#pragma once
#include <cstdint>
#include <system_error>
#include "ITransaction.h"
#include "ITransfersContainer.h"
#include "IStreamSerializable.h"
namespace CryptoNote {
struct SynchronizationStart {
uint64_t timestamp;
uint64_t height;
};
struct AccountSubscription {
AccountKeys keys;
SynchronizationStart syncStart;
size_t transactionSpendableAge;
};
class ITransfersSubscription;
class ITransfersObserver {
public:
virtual void onError(ITransfersSubscription* object,
uint32_t height, std::error_code ec) {
}
virtual void onTransactionUpdated(ITransfersSubscription* object, const Crypto::Hash& transactionHash) {}
/**
* \note The sender must guarantee that onTransactionDeleted() is called only after onTransactionUpdated() is called
* for the same \a transactionHash.
*/
virtual void onTransactionDeleted(ITransfersSubscription* object, const Crypto::Hash& transactionHash) {}
};
class ITransfersSubscription : public IObservable < ITransfersObserver > {
public:
virtual ~ITransfersSubscription() {}
virtual AccountPublicAddress getAddress() = 0;
virtual ITransfersContainer& getContainer() = 0;
};
class ITransfersSynchronizerObserver {
public:
virtual void onBlocksAdded(const Crypto::PublicKey& viewPublicKey, const std::vector<Crypto::Hash>& blockHashes) {}
virtual void onBlockchainDetach(const Crypto::PublicKey& viewPublicKey, uint32_t blockIndex) {}
virtual void onTransactionDeleteBegin(const Crypto::PublicKey& viewPublicKey, Crypto::Hash transactionHash) {}
virtual void onTransactionDeleteEnd(const Crypto::PublicKey& viewPublicKey, Crypto::Hash transactionHash) {}
virtual void onTransactionUpdated(const Crypto::PublicKey& viewPublicKey, const Crypto::Hash& transactionHash,
const std::vector<ITransfersContainer*>& containers) {}
};
class ITransfersSynchronizer : public IStreamSerializable {
public:
virtual ~ITransfersSynchronizer() {}
virtual ITransfersSubscription& addSubscription(const AccountSubscription& acc) = 0;
virtual bool removeSubscription(const AccountPublicAddress& acc) = 0;
virtual void getSubscriptions(std::vector<AccountPublicAddress>& subscriptions) = 0;
// returns nullptr if address is not found
virtual ITransfersSubscription* getSubscription(const AccountPublicAddress& acc) = 0;
virtual std::vector<Crypto::Hash> getViewKeyKnownBlocks(const Crypto::PublicKey& publicViewKey) = 0;
};
}