bitget: refactor debug function tool

pkg/exchange/bitget/exchange.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/sirupsen/logrus"
+	prefixed "github.com/x-cray/logrus-prefixed-formatter"
 	"go.uber.org/multierr"
 	"golang.org/x/time/rate"
 
@@ -64,16 +65,31 @@ var (
 	kLineRateLimiter = rate.NewLimiter(rate.Every(time.Second/10), 5)
 )
 
-var debugf func(msg string, args ...interface{})
+type LogFunction func(msg string, args ...interface{})
 
-func init() {
+var debugf LogFunction
+
+func isPrefixFormatterConfigured() bool {
+	_, isPrefixFormatter := logrus.StandardLogger().Formatter.(*prefixed.TextFormatter)
+	return isPrefixFormatter
+}
+
+func getDebugFunction() LogFunction {
 	if v, ok := util.GetEnvVarBool("DEBUG_BITGET"); ok && v {
-		debugf = func(msg string, args ...interface{}) {
+		if isPrefixFormatterConfigured() {
+			return func(msg string, args ...interface{}) {
 				log.Infof("[BITGET] "+msg, args...)
 			}
-	} else {
-		debugf = func(msg string, args ...interface{}) {}
 		}
+
+		return log.Infof
+	}
+
+	return func(msg string, args ...interface{}) {}
+}
+
+func init() {
+	debugf = getDebugFunction()
 }
 
 type Exchange struct {