ObsidianDragon - DragonX ImGui Wallet

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)

src/rpc/connection.h

@@ -0,0 +1,80 @@
+// DragonX Wallet - ImGui Edition
+// Copyright 2024-2026 The Hush Developers
+// Released under the GPLv3
+
+#pragma once
+
+#include <string>
+
+namespace dragonx {
+namespace rpc {
+
+/**
+ * @brief Connection configuration
+ */
+struct ConnectionConfig {
+    std::string host = "127.0.0.1";
+    std::string port = "21769";
+    std::string rpcuser;
+    std::string rpcpassword;
+    std::string hush_dir;
+    std::string proxy;  // SOCKS5 proxy for Tor
+    bool use_embedded = true;
+};
+
+/**
+ * @brief Manages connection to dragonxd
+ * 
+ * Handles auto-detection of DRAGONX.conf, starting embedded daemon,
+ * and connection lifecycle.
+ */
+class Connection {
+public:
+    Connection();
+    ~Connection();
+
+    /**
+     * @brief Auto-detect and load connection config
+     * @return Config from DRAGONX.conf or defaults
+     */
+    static ConnectionConfig autoDetectConfig();
+
+    /**
+     * @brief Get the default DRAGONX.conf location
+     */
+    static std::string getDefaultConfPath();
+
+    /**
+     * @brief Get the default DragonX data directory
+     */
+    static std::string getDefaultDataDir();
+
+    /**
+     * @brief Parse a DRAGONX.conf file
+     * @param path Path to conf file
+     * @return Parsed configuration
+     */
+    static ConnectionConfig parseConfFile(const std::string& path);
+
+    /**
+     * @brief Check if Sapling params exist
+     */
+    static bool verifySaplingParams();
+
+    /**
+     * @brief Get the Sapling params directory
+     */
+    static std::string getSaplingParamsDir();
+
+    /**
+     * @brief Create a default DRAGONX.conf file
+     * @param path Path to create the file
+     * @return true if created successfully
+     */
+    static bool createDefaultConfig(const std::string& path);
+
+private:
+};
+
+} // namespace rpc
+} // namespace dragonx