feat: add 17 new cross-exchange pairs (BG↔HL)

Added: ALGO, PYTH, SAND, ADA, HBAR, IOTA, MINA, FET, WLD,
       SUI, APT, NEAR, FIL, DYDX, JUP, TIA, MOVE

Removed: pixel and VET (fake 195% spreads on testnet)

Also updated GetHLSize() to handle szDecimals for all new coins.

check_db.py

@@ -0,0 +1,6 @@
+import sqlite3
+conn = sqlite3.connect('data/trades.db')
+rows = conn.execute('SELECT id, scale_count, amount_usd, fee_entry, fee_exit, net_pnl FROM trades').fetchall()
+for r in rows:
+    print(f'  #{r[0]}: scales={r[1]} amt=${r[2]} fee_entry={r[3]:.6f} fee_exit={r[4]:.6f} net={r[5]:.6f}')
+conn.close()

exchange/hyperliquid_trade.go

@@ -147,26 +147,28 @@ func (h *HyperLiquidTrade) GetBalance() (float64, error) {
 func GetHLSize(coin string, amountUSD, price float64) string {
 	sz := amountUSD / price
 	switch coin {
-	case "DOGE":
+	// integer sizes (szDecimals=0)
+	case "DOGE", "ONDO", "WIF", "ALGO", "PYTH", "SAND", "ADA", "HBAR",
+		"IOTA", "MINA", "FET", "JUP", "MOVE":
 		sz = math.Floor(sz)
-		if sz < 1 { sz = 1 }
+		if sz < 1 {
+			sz = 1
+		}
 		return fmt.Sprintf("%.0f", sz)
-	case "ONDO":
-		sz = math.Floor(sz)
-		if sz < 1 { sz = 1 }
-		return fmt.Sprintf("%.0f", sz)
-	case "OP":
-		sz = math.Floor(sz*10)/10
-		if sz < 0.1 { sz = 0.1 }
-		return fmt.Sprintf("%.1f", sz)
-	case "WIF":
-		sz = math.Floor(sz)
-		if sz < 1 { sz = 1 }
-		return fmt.Sprintf("%.0f", sz)
-	case "ARB":
-		sz = math.Floor(sz*10)/10
-		if sz < 0.1 { sz = 0.1 }
+	// 1 decimal (szDecimals=1)
+	case "OP", "ARB", "DYDX", "WLD", "SUI", "TIA", "NEAR", "FIL":
+		sz = math.Floor(sz*10) / 10
+		if sz < 0.1 {
+			sz = 0.1
+		}
 		return fmt.Sprintf("%.1f", sz)
+	// 2 decimals (szDecimals=2)
+	case "APT":
+		sz = math.Floor(sz*100) / 100
+		if sz < 0.01 {
+			sz = 0.01
+		}
+		return fmt.Sprintf("%.2f", sz)
 	default:
 		return fmt.Sprintf("%.4f", sz)
 	}

morning_report.sh

@@ -0,0 +1,35 @@
+#!/bin/bash
+# Morning summary script — triggered by cron at 8 AM
+
+PROJECT_DIR="/home/jack/Project/exchange-monitor-go"
+STATS_FILE="$PROJECT_DIR/trade_stats.txt"
+LOG_FILE="$PROJECT_DIR/morning_summary.txt"
+
+# Find the PID of the exchange-monitor process
+PID=$(pgrep -f "exchange-monitor" | head -1)
+
+if [ -n "$PID" ]; then
+    # Send SIGUSR1 to dump stats
+    kill -USR1 "$PID" 2>/dev/null
+    sleep 2
+    
+    # Read stats
+    if [ -f "$STATS_FILE" ]; then
+        cat "$STATS_FILE"
+        echo ""
+        echo "=== 程序状态 ==="
+        ps -p "$PID" -o pid,etime,cmd --no-headers 2>/dev/null || echo "进程已结束"
+    fi
+    
+    # Kill the process
+    kill "$PID" 2>/dev/null
+    sleep 1
+    kill -0 "$PID" 2>/dev/null && kill -9 "$PID" 2>/dev/null
+    
+    echo ""
+    echo "程序已停止 (PID: $PID)"
+else
+    echo "未找到运行中的 exchange-monitor 进程"
+fi
+
+echo "=== 报告完成 ==="

run_test.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+cd /home/jack/Project/exchange-monitor-go
+# Redirect stderr to stdout so background mode captures everything
+./exchange-monitor 2>&1

scanner.go

@@ -24,6 +24,24 @@ var TrackedCoins = []TrackedCoin{
 	{Name: "OP", BN: "OPUSDT", BG: "OPUSDT", HL: "OP"},
 	{Name: "WIF", BN: "WIFUSDT", BG: "WIFUSDT", HL: "WIF"},
 	{Name: "ARB", BN: "ARBUSDT", BG: "ARBUSDT", HL: "ARB"},
+	// New pairs — common on BG↔HL
+	{Name: "ALGO", BG: "ALGOUSDT", HL: "ALGO"},
+	{Name: "PYTH", BG: "PYTHUSDT", HL: "PYTH"},
+	{Name: "SAND", BG: "SANDUSDT", HL: "SAND"},
+	{Name: "ADA", BG: "ADAUSDT", HL: "ADA"},
+	{Name: "HBAR", BG: "HBARUSDT", HL: "HBAR"},
+	{Name: "IOTA", BG: "IOTAUSDT", HL: "IOTA"},
+	{Name: "MINA", BG: "MINAUSDT", HL: "MINA"},
+	{Name: "FET", BG: "FETUSDT", HL: "FET"},
+	{Name: "WLD", BG: "WLDUSDT", HL: "WLD"},
+	{Name: "SUI", BG: "SUIUSDT", HL: "SUI"},
+	{Name: "APT", BG: "APTUSDT", HL: "APT"},
+	{Name: "NEAR", BG: "NEARUSDT", HL: "NEAR"},
+	{Name: "FIL", BG: "FILUSDT", HL: "FIL"},
+	{Name: "DYDX", BG: "DYDXUSDT", HL: "DYDX"},
+	{Name: "JUP", BG: "JUPUSDT", HL: "JUP"},
+	{Name: "TIA", BG: "TIAUSDT", HL: "TIA"},
+	{Name: "MOVE", BG: "MOVEUSDT", HL: "MOVE"},
 }
 
 // netProfit calculates net profit % after fees for a complete round trip (entry + exit).

trade_stats.txt

@@ -0,0 +1,6 @@
+=== 收敛统计 ===  2026-05-02 20:01
+  总交易数: 310
+  价差收敛: 309
+  价差持平: 0
+  价差发散: 1
+  收敛率: 99.7%