Merge branch 'activity' of http://120.27.238.55:7000/r/exchange into activity

xiaoyong931011

2021-04-06 bf68aa759bc3c0a858d80cb3d1ae1f1682cd6c94

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package com.xcong.excoin.modules.blackchain.service; 
 
import com.xcong.excoin.common.response.Result; 
 
public interface BlockSerive { 
 
    Result findBlockAddress(String symbol,String lable); 
 
}