misc: binance momentum, telegram, frontend updates

main.go

@@ -33,6 +33,14 @@ func main() {
 	loadDotEnv()
 	cfg := LoadConfig()
 
+	// Initialize Telegram sender
+	telegramSender := NewTelegramSender(cfg.TelegramBotToken, cfg.TelegramChatID)
+	if telegramSender.IsEnabled() {
+		log.Printf("[Telegram] Alerts enabled -> chat %s", cfg.TelegramChatID)
+	} else {
+		log.Println("[Telegram] Alerts disabled (missing token or chat ID)")
+	}
+
 	store := NewPriceStore()
 
 	// Initialize momentum tracker (for momentum scanning mode)
@@ -79,8 +87,18 @@ func main() {
 		}
 	}
 
+	// Initialize Binance momentum detector (1-minute Binance price change)
+	binanceMomentumDetector := NewBinanceMomentumDetector(
+		cfg.BinanceMomentumWindowSec, 50, // actual loop tick is fixed 50ms
+		cfg.BinanceMomentumThresholdPct, cfg.BinanceMomentumCooldownSec,
+	)
+	if cfg.BinanceMomentumEnabled {
+		log.Printf("[BinanceMomentum] Detection enabled (window=%ds, threshold=%.1f%%, cooldown=%ds)",
+			cfg.BinanceMomentumWindowSec, cfg.BinanceMomentumThresholdPct, cfg.BinanceMomentumCooldownSec)
+	}
+
 	// Initialize dashboard (web server + SSE)
-	dashboard := NewDashboard(store, database, ":8888", cfg, momentumTracker, trendDetector, cumulativeTracker, trendFilter, surgeDetector)
+	dashboard := NewDashboard(store, database, ":8888", cfg, momentumTracker, trendDetector, cumulativeTracker, trendFilter, surgeDetector, binanceMomentumDetector)
 	go dashboard.Run()
 
 	// Context for graceful shutdown
@@ -172,6 +190,30 @@ func main() {
 			now := time.Now()
 			snap := store.GetAll()
 
+			// Feed Binance prices to momentum detector
+			if cfg.BinanceMomentumEnabled {
+				for _, tc := range TrackedCoins {
+					if exMap := snap[tc.Name]; exMap != nil {
+						if bnPrice, ok := exMap[ExBinance]; ok && bnPrice > 0 {
+							binanceMomentumDetector.Record(tc.Name, bnPrice)
+						}
+					}
+				}
+				alerts := binanceMomentumDetector.Detect()
+				for _, alert := range alerts {
+					log.Printf("[BinanceMomentum] %s %s %.2f%% ($%.4f)",
+						alert.Coin, alert.Direction, alert.ChangePct, alert.Price)
+					dashboard.BroadcastEvent("binance_alert", alert)
+					if telegramSender.IsEnabled() {
+						go func(a BinanceAlert) {
+							if err := telegramSender.SendAlert(a); err != nil {
+								log.Printf("[Telegram] Failed to send alert for %s: %v", a.Coin, err)
+							}
+						}(alert)
+					}
+				}
+			}
+
 			// Feed prices to momentum tracker (for momentum scanning or trend detection)
 			if cfg.MomentumEnabled || cfg.TrendEnabled {
 				for coin, exMap := range snap {