tomFlowee
4ba71ff870
We introduce a new WalletkeyView which is a class that provides a thread-safe view on a single private-key in the wallet. Detecting all transactions depositing money in that key and thus being an ideal backend for the PaymentRequest.
82 lines
2.4 KiB
C++
82 lines
2.4 KiB
C++
/*
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* This file is part of the Flowee project
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* Copyright (C) 2023 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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#include <QObject>
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class Wallet;
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/**
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* This class goes together with a wallet and provides
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* a live view on transactions depositing money on a certain
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* private key, which has to be owned by the wallet.
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*
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* The Wallet::reserveUnusedAddress() method returns a
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* privagte key-index, you can set that with setPrivKeyIndex()
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* to activate this class.
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*
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* While a wallet is importing (see walletIsImporting()) all
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* transactions added are ignored as the point of this class
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* is to view the live changes, not (probably ancient) historical
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* ones.
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*/
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class WalletKeyView : public QObject
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{
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Q_OBJECT
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public:
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WalletKeyView(Wallet *wallet, QObject *parent);
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// set which private key of the viewed wallet we are filtering on.
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void setPrivKeyIndex(int privKeyId);
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bool walletIsImporting() const;
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enum UTXOState {
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UTXOSeen,
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UTXOConfirmed,
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UTXORejected
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};
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struct Transaction {
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UTXOState state = UTXOSeen;
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uint64_t ref = 0;
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uint64_t amount = 0;
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};
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QList<Transaction> transactions() const;
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signals:
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void transactionMatch(uint64_t ref, uint64_t amount, UTXOState state);
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void walletEncrypted();
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void importFinished();
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private slots:
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void appendedTransactions(int firstNew, int count);
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void transactionConfirmed(int txIndex);
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void encryptionChanged();
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void lastBlockSynchedChanged();
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private:
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const Wallet * const m_wallet;
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// set at startup to true if the wallet is in the (once in its lifetime) importing
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// stage. If true, all deposits are historical!
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bool m_walletIsImporting;
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int m_privKeyIndex = -1;
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QList<Transaction> m_transactions;
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};
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