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)

libs/qrcode/BitBuffer.hpp

@@ -0,0 +1,52 @@
+/* 
+ * QR Code generator library (C++)
+ * 
+ * Copyright (c) Project Nayuki. (MIT License)
+ * https://www.nayuki.io/page/qr-code-generator-library
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ * - The above copyright notice and this permission notice shall be included in
+ *   all copies or substantial portions of the Software.
+ * - The Software is provided "as is", without warranty of any kind, express or
+ *   implied, including but not limited to the warranties of merchantability,
+ *   fitness for a particular purpose and noninfringement. In no event shall the
+ *   authors or copyright holders be liable for any claim, damages or other
+ *   liability, whether in an action of contract, tort or otherwise, arising from,
+ *   out of or in connection with the Software or the use or other dealings in the
+ *   Software.
+ */
+
+#pragma once
+
+#include <cstdint>
+#include <vector>
+
+
+namespace qrcodegen {
+
+/* 
+ * An appendable sequence of bits (0s and 1s). Mainly used by QrSegment.
+ */
+class BitBuffer final : public std::vector<bool> {
+	
+	/*---- Constructor ----*/
+	
+	// Creates an empty bit buffer (length 0).
+	public: BitBuffer();
+	
+	
+	
+	/*---- Method ----*/
+	
+	// Appends the given number of low-order bits of the given value
+	// to this buffer. Requires 0 <= len <= 31 and val < 2^len.
+	public: void appendBits(std::uint32_t val, int len);
+	
+};
+
+}