add dingtalk

Helius

2020-07-07 fae05b7ffe899ab996f7a9c31b4c96df7964a0de

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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); 
 
}