Files
thehub/rest-service/RestService.h
2021-06-20 22:44:44 +02:00

120 lines
3.5 KiB
C++

/*
* This file is part of the Flowee project
* Copyright (C) 2019-2020 Tom Zander <tom@flowee.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef RESTSERVICE_H
#define RESTSERVICE_H
#include <QJsonDocument>
#include <QJsonObject>
#include <Blockchain.h>
#include <httpengine/server.h>
class RestServiceWebRequest;
struct RequestString
{
RequestString(const QString &path);
QString anonPath() const;
QString wholePath;
QString request;
QString argument; // only used for GET
QJsonDocument post;
};
struct TxRef {
TxRef(int blockHeight, int offsetInBlock)
: blockHeight(blockHeight),
offsetInBlock(offsetInBlock)
{
}
int blockHeight = 0, offsetInBlock = 0;
QMap<int, QPair<int, int> > spentOutputs; // output-index to blockHeight, offset pair
};
struct AnswerDataBase {
virtual ~AnswerDataBase() = default;
};
class RestServiceWebRequest : public HttpEngine::WebRequest, public Blockchain::Search
{
Q_OBJECT
public:
RestServiceWebRequest(qintptr socketDescriptor, std::function<void(HttpEngine::WebRequest*)> &handler);
~RestServiceWebRequest() override;
enum {
Unset,
TransactionDetails,
TransactionDetailsList,
AddressDetails,
AddressDetailsList,
AddressUTXO,
AddressUTXOList,
GetRawTransaction,
GetRawTransactionVerbose,
SendRawTransaction,
} answerType = Unset;
// Blockchain::Search interface
void finished(int unfinishedJobs) override;
void transactionAdded(const Blockchain::Transaction &transaction, int answerIndex) override;
void spentOutputResolved(int jobId, int blockHeight, int offsetInBlock) override;
void addressUsedInOutput(int blockHeight, int offsetInBlock, int outIndex) override;
void utxoLookup(int jobId, int blockHeight, int offsetInBlock, int outindex, bool unspent, int64_t amount, Streaming::ConstBuffer outputScript) override;
void aborted(const Blockchain::ServiceUnavailableException &e) override;
// data specific for an AnswerType
AnswerDataBase *answerData = nullptr;
private slots:
void threadSafeFinished();
private:
QJsonObject renderTransactionToJSon(const Blockchain::Transaction &tx) const;
};
class RestService : public QObject, public Blockchain::SearchEngine
{
Q_OBJECT
public:
RestService();
// http engine callback
void onIncomingConnection(HttpEngine::WebRequest *request);
void parseConfig(const std::string &confFile) override;
void initializeHubConnection(NetworkConnection connection, const std::string &hubVersion) override;
public slots:
void onReparseConfig();
private:
void requestTransactionInfo(const RequestString &rs, RestServiceWebRequest *request);
void requestAddressInfo(const RequestString &rs, RestServiceWebRequest *request);
void requestRawTransaction(const RequestString &rs, RestServiceWebRequest *request);
private:
void findServices(const QString &configFile);
};
#endif