Merge remote-tracking branch 'origin/activity' into activity

zainali5120

2021-04-25 a55747a7cedc4c4f04f33755a27862c959c1ad30

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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); 
 
}