Functionality

• Dual QR code display: Lightning Invoice QR code and Nostr Event Link QR codenostr:nevent1...Format) displayed in parallel
• Lightning QR code generation: Generate a Lightning Invoice QR code that supports Zap requests
• Nostr Event QR code: to the created kind1 eventnostr:nevent1QR code the link
• Nostr integration: Create, sign and send kind 1 events, generate Zap requests (kind 9734)
• Payment ID tracking: Embed a random 8-byte value (in base64url format) in Zap comments and use it for payment verification
• Zap detection function: Detects Zap Receipt in real time and displays fortune results
• Coinos API verification: Additional verification of deposits (preimage verification) using Coinos API after receiving Zap receipt
• Coinos polling: Regular monitoring of the Coinos API as a fallback for Zap subscriptions
• Parallel detection: Simultaneously runs Zap subscription and polling, detects payments in one of them
• Fortune message: Sends a lucky number (1-20) with a mention to the sender after Zap detection
• Settings management: Secure management of Lightning addresses, Nostr private keys, and Coinos Read-Only API Tokens
• Zap validation settings: You can directly configure permission/disallowance of Nostr zap (adjusting security level)
• Relay resistance: Continue QR code generation even if Nostr relay connection fails
• Error display: Displays Coinos API validation errors and relay connection errors on the screen
• Responsive UI: Mobile-first Tailwind CSS-based design
• Security: Appropriate warning display when using LocalStorage