103 lines
2.7 KiB
C++
103 lines
2.7 KiB
C++
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/*
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* This file is part of the Flowee project
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* Copyright (C) 2025 Tom Zander <tom@flowee.org>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU 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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* This program 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef WALLETDATA_H
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#define WALLETDATA_H
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#include <QObject>
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#include <Wallet.h>
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#include <utils/streaming/ConstBuffer.h>
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#include <utils/primitives/PrivateKey.h>
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#include <utils/uint256.h>
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#include <apputils/SimpleHttpClient.h>
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class BackupSyncModuleInfo;
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/*
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* This object monitors the Wallet for us.
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*
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* We like to upload data based on actual events, events that are
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* expected to change the save file, requiring a sync.
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*/
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class WalletData : public QObject
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{
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Q_OBJECT
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public:
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explicit WalletData(const std::shared_ptr<Wallet> &wallet, BackupSyncModuleInfo *parent);
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std::shared_ptr<Wallet> wallet() const;
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void setPrivKeyData(const Streaming::ConstBuffer &data);
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const PrivateKey &privKey() const;
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QString fancyAddess() const;
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void markDirty(); // needs save, but it immediately schedules an upload.
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bool needsSave() const;
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uint32_t lastSavedTime() const;
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void setLastSavedTime(uint32_t newLastSavedTime);
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enum RestoreReason {
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BeforeSave,
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JustRestore
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};
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// call this to ensure that we can call fancyAddess() later.
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bool deriveAuthKey();
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signals:
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void lastSavedChanged();
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void restoreDone(bool success);
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public slots:
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void upload();
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void restore(RestoreReason reason);
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private slots:
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void onTxUpdated(int txIndex);
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void onTxConfirmed(int txIndex);
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void onTxAdded(int firstNew, int count);
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private:
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struct SaveData {
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Streaming::ConstBuffer data;
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uint256 dataHash; // the unencrypted blob without the envelope
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uint32_t timestamp = 0;
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};
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private slots:
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SaveData save();
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private:
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void restoreFrom(const QString &savename);
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void restoreDownload(const Streaming::ConstBuffer &blob);
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BackupSyncModuleInfo *m_parent;
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uint256 m_lastSaveHash;
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std::shared_ptr<Wallet> m_wallet;
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PrivateKey m_privateKey;
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bool m_needsSave = false;
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uint32_t m_lastSavedTime = 0; // epoch style timestamp (UTC)
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std::shared_ptr<SimpleHttpClient> m_httpClient;
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};
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#endif
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