refactor(common): 优化文件上传逻辑

KKSU

2025-03-17 faaf907706c62c81c2a91092b950b30c89159afc

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package cc.mrbird.febs.mall.chain.ercCoin;
 
import java.math.BigInteger;
 
public interface ContractChainService {
 
    int decimals();
 
    BigInteger blockNumber();
 
}