How I Built a Telegram Trading Bot with 44 Commands (Full Architecture Breakdown)

I built @solscanitbot — a Telegram trading bot for Solana with 44 commands, 12 background workers, and 21 data files. Here's the architecture. Stack Pure Node.js (no framework, built-in https module) Solana Web3.js for blockchain interaction Jupiter V6 API for swaps Jito MEV protection for transaction bundling Helius RPC for fast reads Core Features Buy/sell any Solana token Copy trading (mirror any wallet) DCA (dollar cost averaging) Limit orders Token sniping (new token launches) Portfolio tracking Price alerts Referral system (50% fee share) Premium tiers (Telegram Stars + SOL payment) Admin panel Architecture Single File Design The entire bot is one 5,500-line JavaScript file. No TypeScript, no build step, no framework overhead. Just node bot.js and it runs. Why? Because: Zero cold start time No dependency management nightmares Easy to deploy (copy one file) Simple to debug (everything is grep-able) Data Storage 21 JSON files for user wallets, positions, alerts, orders, settings, r