fix transfer

Helius

2022-06-08 60f9b412d8c49501dc55a4ffd8f4a63a69043cd0

 src/main/java/cc/mrbird/febs/dapp/service/impl/DappWalletServiceImpl.java

@@ -6,6 +6,9 @@
import cc.mrbird.febs.common.utils.FebsUtil;
import cc.mrbird.febs.common.utils.LoginUserUtil;
import cc.mrbird.febs.common.utils.RedisUtils;
import cc.mrbird.febs.dapp.chain.ChainEnum;
import cc.mrbird.febs.dapp.chain.ChainService;
import cc.mrbird.febs.dapp.chain.ContractChainService;
import cc.mrbird.febs.dapp.dto.RecordInPageDto;
import cc.mrbird.febs.dapp.dto.TransferDto;
import cc.mrbird.febs.dapp.dto.WalletOperateDto;
@@ -22,7 +25,10 @@
import org.springframework.transaction.annotation.Transactional;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author 
@@ -192,10 +198,52 @@
    }

    @Override
    public void transfer(TransferDto transferDto) {
    public Long transfer(TransferDto transferDto) {
        DappMemberEntity member = LoginUserUtil.getAppUser();

        DappFundFlowEntity fundFlow = new DappFundFlowEntity(member.getId(), transferDto.getAmount(), transferDto.getType(), 1, transferDto.getFee(), transferDto.getTxHash());
        dappFundFlowDao.insert(fundFlow);
        if (DappFundFlowEntity.TYPE_SALE == transferDto.getType()) {
            String hasStart = redisUtils.getString(AppContants.SYSTEM_START_FLAG);
            if (!"start".equals(hasStart)) {
                throw new FebsException("系统还未启动");
            }
        }

        if (transferDto.getId() == null) {
            DappFundFlowEntity fundFlow = new DappFundFlowEntity(member.getId(), transferDto.getAmount(), transferDto.getType(), 1, transferDto.getFee(), transferDto.getTxHash());
            fundFlow.setNewestPrice(transferDto.getPrice());
            dappFundFlowDao.insert(fundFlow);
            return fundFlow.getId();
        }

        if ("success".equals(transferDto.getFlag())) {
            DappFundFlowEntity flow = dappFundFlowDao.selectById(transferDto.getId());

            flow.setFromHash(transferDto.getTxHash());
            dappFundFlowDao.updateById(flow);
        } else {
            dappFundFlowDao.deleteById(transferDto.getId());
        }

        return null;
    }

    @Override
    public Map<String, BigDecimal> calPrice() {
        DappMemberEntity member = LoginUserUtil.getAppUser();

        ContractChainService tfcInstance = ChainService.getInstance(ChainEnum.BSC_TFC.name());
        // u剩余数量
        BigDecimal sourceU = ChainService.getInstance(ChainEnum.BSC_USDT.name()).balanceOf(ChainEnum.BSC_USDT_SOURCE.getAddress());
        // 源池代币剩余数量
        BigDecimal sourceCoin = tfcInstance.balanceOf(ChainEnum.BSC_USDT_SOURCE.getAddress());
        // 用户代币剩余数量
        BigDecimal coin = tfcInstance.balanceOf(member.getAddress());
        BigDecimal x = sourceU.divide(sourceCoin, tfcInstance.decimals(), RoundingMode.HALF_DOWN);
        BigDecimal y = sourceU.divide(sourceCoin.add(coin), tfcInstance.decimals(), RoundingMode.HALF_DOWN);

        HashMap<String, BigDecimal> map = new HashMap<>();
        map.put("x", BigDecimal.ONE);
        map.put("y", BigDecimal.valueOf(0.8D));
        return map;
    }
}