fix bug

dao/dao.go

@@ -9,6 +9,7 @@ import (
 	"fmt"
 	"github.com/ethereum/go-ethereum/crypto"
 	log "github.com/sirupsen/logrus"
+	"strings"
 	"sync"
 	"time"
 
@@ -45,8 +46,10 @@ func New(_c *config.Config) (dao *Dao, err error) {
 	if len(_c.OTPKeyPath) > 0 && len(_c.AesKeyPath) > 0 {
 		pkstr, err := encpk.DecryptOTP(_c.AesKeyPath, _c.OTPKeyPath)
 		if err == nil {
-			if pk, err := crypto.HexToECDSA(string(pkstr)); err != nil {
-				log.WithError(err).Error("parse validator private key failed")
+			// trim pkstr space and \n.
+			originPk := strings.TrimSpace(string(pkstr))
+			if pk, err := crypto.HexToECDSA(string(originPk)); err != nil {
+				log.WithField("originpk", originPk).WithError(err).Error("parse validator private key failed")
 			} else {
 				dao.validatorPk = pk
 			}