DanS
3aee55b49c
Full-node GUI wallet for DragonX cryptocurrency. Built with Dear ImGui, SDL3, and OpenGL3/DX11. Features: - Send/receive shielded and transparent transactions - Autoshield with merged transaction display - Built-in CPU mining (xmrig) - Peer management and network monitoring - Wallet encryption with PIN lock - QR code generation for receive addresses - Transaction history with pagination - Console for direct RPC commands - Cross-platform (Linux, Windows)
56 lines
1.1 KiB
C++
56 lines
1.1 KiB
C++
// DragonX Wallet - ImGui Edition
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// Copyright 2024-2026 The Hush Developers
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// Released under the GPLv3
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#pragma once
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#include <string>
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namespace dragonx {
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namespace util {
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/**
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* @brief Ensures only one instance of the wallet runs at a time
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*
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* Uses file locking on Linux/macOS and named mutex on Windows.
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*/
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class SingleInstance {
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public:
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SingleInstance(const std::string& app_name = "dragonx-wallet");
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~SingleInstance();
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// Non-copyable
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SingleInstance(const SingleInstance&) = delete;
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SingleInstance& operator=(const SingleInstance&) = delete;
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/**
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* @brief Try to acquire the single instance lock
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* @return true if lock acquired (this is the only instance)
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*/
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bool tryLock();
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/**
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* @brief Release the lock
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*/
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void unlock();
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/**
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* @brief Check if lock is currently held
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*/
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bool isLocked() const { return locked_; }
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private:
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std::string app_name_;
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bool locked_ = false;
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#ifdef _WIN32
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void* mutex_handle_ = nullptr;
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#else
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int lock_fd_ = -1;
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std::string lock_path_;
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#endif
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};
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} // namespace util
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} // namespace dragonx
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