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// Copyright (c) 2018 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_INTERFACE_NODE_H
#define BITCOIN_INTERFACE_NODE_H
#include <init.h> // For HelpMessageMode
#include <netaddress.h> // For Network
#include <functional>
#include <memory>
#include <string>
class proxyType;
namespace interface {
class Handler;
class Wallet;
//! Top-level interface for a bitcoin node (bitcoind process).
class Node
{
public:
virtual ~Node() {}
//! Set command line arguments.
virtual void parseParameters(int argc, const char* const argv[]) = 0;
//! Set a command line argument if it doesn't already have a value
virtual bool softSetArg(const std::string& arg, const std::string& value) = 0;
//! Set a command line boolean argument if it doesn't already have a value
virtual bool softSetBoolArg(const std::string& arg, bool value) = 0;
//! Load settings from configuration file.
virtual void readConfigFile(const std::string& conf_path) = 0;
//! Choose network parameters.
virtual void selectParams(const std::string& network) = 0;
//! Init logging.
virtual void initLogging() = 0;
//! Init parameter interaction.
virtual void initParameterInteraction() = 0;
//! Get warnings.
virtual std::string getWarnings(const std::string& type) = 0;
//! Initialize app dependencies.
virtual bool baseInitialize() = 0;
//! Start node.
virtual bool appInitMain() = 0;
//! Stop node.
virtual void appShutdown() = 0;
//! Start shutdown.
virtual void startShutdown() = 0;
//! Return whether shutdown was requested.
virtual bool shutdownRequested() = 0;
//! Get help message string.
virtual std::string helpMessage(HelpMessageMode mode) = 0;
//! Map port.
virtual void mapPort(bool use_upnp) = 0;
//! Get proxy.
virtual bool getProxy(Network net, proxyType& proxy_info) = 0;
//! Register handler for init messages.
using InitMessageFn = std::function<void(const std::string& message)>;
virtual std::unique_ptr<Handler> handleInitMessage(InitMessageFn fn) = 0;
//! Register handler for message box messages.
using MessageBoxFn =
std::function<bool(const std::string& message, const std::string& caption, unsigned int style)>;
virtual std::unique_ptr<Handler> handleMessageBox(MessageBoxFn fn) = 0;
//! Register handler for question messages.
using QuestionFn = std::function<bool(const std::string& message,
const std::string& non_interactive_message,
const std::string& caption,
unsigned int style)>;
virtual std::unique_ptr<Handler> handleQuestion(QuestionFn fn) = 0;
//! Register handler for progress messages.
using ShowProgressFn = std::function<void(const std::string& title, int progress, bool resume_possible)>;
virtual std::unique_ptr<Handler> handleShowProgress(ShowProgressFn fn) = 0;
//! Register handler for load wallet messages.
using LoadWalletFn = std::function<void(std::unique_ptr<Wallet> wallet)>;
virtual std::unique_ptr<Handler> handleLoadWallet(LoadWalletFn fn) = 0;
};
//! Return implementation of Node interface.
std::unique_ptr<Node> MakeNode();
} // namespace interface
#endif // BITCOIN_INTERFACE_NODE_H
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