package cc.mrbird.febs.dapp.service.impl;
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import cc.mrbird.febs.common.contants.AppContants;
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import cc.mrbird.febs.common.entity.QueryRequest;
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import cc.mrbird.febs.common.exception.FebsException;
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import cc.mrbird.febs.common.utils.LoginUserUtil;
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import cc.mrbird.febs.dapp.dto.RecordInPageDto;
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import cc.mrbird.febs.dapp.dto.WalletOperateDto;
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import cc.mrbird.febs.dapp.entity.*;
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import cc.mrbird.febs.dapp.mapper.*;
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import cc.mrbird.febs.dapp.service.DappWalletService;
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import cc.mrbird.febs.dapp.vo.WalletInfoVo;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import lombok.RequiredArgsConstructor;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.stereotype.Service;
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import org.springframework.transaction.annotation.Transactional;
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import java.math.BigDecimal;
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import java.util.List;
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/**
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* @author wzy
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* @date 2022-03-18
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**/
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@Slf4j
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@Service
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@RequiredArgsConstructor
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public class DappWalletServiceImpl implements DappWalletService {
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private final DappMemberDao dappMemberDao;
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private final DappWalletMineDao dappWalletMineDao;
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private final DappWalletCoinDao dappWalletCoinDao;
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private final DappFundFlowDao dappFundFlowDao;
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private final DappAccountMoneyChangeDao dappAccountMoneyChangeDao;
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@Override
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public WalletInfoVo walletInfo() {
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DappMemberEntity member = LoginUserUtil.getAppUser();
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DappWalletCoinEntity walletCoin = dappWalletCoinDao.selectByMemberId(member.getId());
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DappWalletMineEntity walletMine = dappWalletMineDao.selectByMemberId(member.getId());
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WalletInfoVo walletInfo = new WalletInfoVo();
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walletInfo.setTotalMine(walletMine.getTotalAmount());
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walletInfo.setAvailableMine(walletMine.getAvailableAmount());
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walletInfo.setAvailableWallet(walletCoin.getAvailableAmount());
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return walletInfo;
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void change(WalletOperateDto walletOperateDto) {
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DappMemberEntity member = LoginUserUtil.getAppUser();
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BigDecimal ethUsdtPrice = new BigDecimal("1234");
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DappWalletMineEntity walletMine = dappWalletMineDao.selectByMemberId(member.getId());
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if (walletOperateDto.getAmount().compareTo(walletMine.getAvailableAmount()) > 0) {
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throw new FebsException("可用金额不足");
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}
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DappFundFlowEntity fund = new DappFundFlowEntity(member.getId(), walletOperateDto.getAmount().negate(), AppContants.MONEY_TYPE_CHANGE, null);
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dappFundFlowDao.insert(fund);
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BigDecimal preEthAmount = walletMine.getAvailableAmount();
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// TODO 并发加悲观锁
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// 更新eth金额
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walletMine.setAvailableAmount(walletMine.getAvailableAmount().subtract(walletOperateDto.getAmount()));
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walletMine.setTotalAmount(walletMine.getTotalAmount().subtract(walletOperateDto.getAmount()));
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dappWalletMineDao.updateById(walletMine);
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DappWalletCoinEntity walletCoin = dappWalletCoinDao.selectByMemberId(member.getId());
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BigDecimal preUsdtAmount = walletCoin.getAvailableAmount();
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// 更新usdt金额
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BigDecimal usdt = walletOperateDto.getAmount().multiply(ethUsdtPrice);
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walletCoin.setAvailableAmount(walletCoin.getAvailableAmount().add(usdt));
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walletCoin.setTotalAmount(walletCoin.getTotalAmount().add(usdt));
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dappWalletCoinDao.updateById(walletCoin);
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DappAccountMoneyChangeEntity ethChange = new DappAccountMoneyChangeEntity(member.getId(), preEthAmount, walletOperateDto.getAmount(), walletMine.getTotalAmount(), "ETH兑换USDT-ETH", AppContants.MONEY_TYPE_CHANGE);
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DappAccountMoneyChangeEntity usdtChange = new DappAccountMoneyChangeEntity(member.getId(), preUsdtAmount, usdt, walletCoin.getTotalAmount(), "ETH兑换USDT-USDT", AppContants.MONEY_TYPE_CHANGE);
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dappAccountMoneyChangeDao.insert(ethChange);
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dappAccountMoneyChangeDao.insert(usdtChange);
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}
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@Override
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@Transactional(rollbackFor = Exception.class)
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public void withdraw(WalletOperateDto walletOperateDto) {
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DappMemberEntity member = LoginUserUtil.getAppUser();
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DappWalletCoinEntity walletCoin = dappWalletCoinDao.selectByMemberId(member.getId());
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if (walletOperateDto.getAmount().compareTo(walletCoin.getAvailableAmount()) > 0) {
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throw new FebsException("可用金额不足");
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}
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// TODO 并发加悲观锁
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BigDecimal preAmount = walletCoin.getAvailableAmount();
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walletCoin.setAvailableAmount(walletCoin.getAvailableAmount().subtract(walletOperateDto.getAmount()));
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walletCoin.setFrozenAmount(walletCoin.getFrozenAmount().subtract(walletOperateDto.getAmount()));
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dappWalletCoinDao.updateById(walletCoin);
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DappFundFlowEntity fund = new DappFundFlowEntity(member.getId(), walletOperateDto.getAmount().negate(), AppContants.MONEY_TYPE_WITHDRAWAL, 1);
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dappFundFlowDao.insert(fund);
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DappAccountMoneyChangeEntity usdtChange = new DappAccountMoneyChangeEntity(member.getId(), preAmount, walletOperateDto.getAmount(), walletCoin.getAvailableAmount(), "USDT申请提现", AppContants.MONEY_TYPE_WITHDRAWAL);
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dappAccountMoneyChangeDao.insert(usdtChange);
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}
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@Override
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public List<DappFundFlowEntity> recordInPage(RecordInPageDto recordInPageDto) {
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Page<DappFundFlowEntity> page = new Page<>(recordInPageDto.getPageNum(), recordInPageDto.getPageSize());
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DappFundFlowEntity dappFundFlowEntity = new DappFundFlowEntity();
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dappFundFlowEntity.setType(recordInPageDto.getType());
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IPage<DappFundFlowEntity> records = dappFundFlowDao.selectInPage(page, dappFundFlowEntity);
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return records.getRecords();
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}
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@Override
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public IPage<DappFundFlowEntity> fundFlowInPage(DappFundFlowEntity dappFundFlowEntity, QueryRequest request) {
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Page<DappFundFlowEntity> page = new Page<>(request.getPageNum(), request.getPageSize());
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return dappFundFlowDao.selectInPage(page, dappFundFlowEntity);
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}
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@Override
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public void withdrawAgreeOrNot(Long id, int type) {
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DappFundFlowEntity fundFlow = dappFundFlowDao.selectById(id);
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if (fundFlow == null) {
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throw new FebsException("数据不存在");
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}
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if (type == 1) {
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fundFlow.setStatus(DappFundFlowEntity.WITHDRAW_STATUS_AGREE);
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} else if (type == 2) {
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fundFlow.setStatus(DappFundFlowEntity.WITHDRAW_STATUS_DISAGREE);
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} else {
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throw new FebsException("参数错误");
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}
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dappFundFlowDao.updateById(fundFlow);
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}
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}
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