profile code

dao/eth.go

@@ -40,7 +40,7 @@ func (d *Dao) GetLatestBockHash(chain *config.ChainConfig) (hash string, err err
 	if !ok {
 		return "", errors.New("chain client not support")
 	}
-	block, err := chainInfo.cli.BlockByNumber(ctx, nil)
+	block, err := chainInfo.cli.HeaderByNumber(ctx, nil)
 	if err != nil {
 		return
 	}