ccxt check for swap or spot by LEVERAGE

dabo/functions/ccxt.sh

@@ -17,6 +17,8 @@ function f_ccxt {
     g_python 'sys.path.append("/ccxt/python")' || return 1
     g_python 'import ccxt' || return 1
     sleep 0.5
+    local f_exchange_type="swap"
+    [ -z "$LEVERAGE" ] && f_exchange_type="spot"
     g_python "exchange = ccxt.${STOCK_EXCHANGE,,}({'apiKey': '${API_KEY}','secret': '${API_SECRET}','options': {'defaultType': 'swap',},})" || return 1
     f_ccxt_initialized=true
   fi