fix

Helius

2022-05-27 133495b2d5f4392a314b30341ddc9d0871c42936

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package cc.mrbird.febs.dapp.service.impl;
 
import cc.mrbird.febs.common.utils.ShareCodeUtil;
import cc.mrbird.febs.dapp.chain.ChainEnum;
import cc.mrbird.febs.dapp.chain.ChainService;
import cc.mrbird.febs.dapp.chain.ContractEventService;
import cc.mrbird.febs.dapp.chain.EthUsdtContract;
import cc.mrbird.febs.dapp.entity.DappFundFlowEntity;
import cc.mrbird.febs.dapp.entity.DappMemberEntity;
import cc.mrbird.febs.dapp.mapper.DappFundFlowDao;
import cc.mrbird.febs.dapp.mapper.DappMemberDao;
import cc.mrbird.febs.dapp.service.DappMemberService;
import cn.hutool.core.util.StrUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
 
import javax.annotation.Resource;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
 
@Slf4j
@Service
public class BscUsdtContractEvent implements ContractEventService {
 
    @Resource
    private DappMemberService dappMemberService;
 
    @Resource
    private DappFundFlowDao dappFundFlowDao;
 
    private final String ADDRESS = "0x977a9ddfb965a9a3416fa72ca7f91c4949c18f25";
    int decimals = ChainService.getInstance(ChainEnum.BSC_USDT.name()).decimals();
    int tfcDecimals = ChainService.getInstance(ChainEnum.BSC_TFC.name()).decimals();
 
    @Override
    public void compile(EthUsdtContract.TransferEventResponse e) {
        if (ADDRESS.equals(e.to)) {
            DappMemberEntity fromMember = dappMemberService.findByAddress(e.from, null);
            if (fromMember == null) {
                fromMember = dappMemberService.insertMember(e.from, null);
            }
 
            BigInteger tokens = e.tokens;
 
            BigDecimal amount = BigDecimal.valueOf(tokens.intValue()).divide(BigDecimal.TEN.pow(decimals), decimals, RoundingMode.HALF_DOWN);
 
            DappFundFlowEntity fundFlow = new DappFundFlowEntity(fromMember.getId(), amount, 2, null, null, e.log.getTransactionHash());
            dappFundFlowDao.insert(fundFlow);
 
            // TODO price
            BigDecimal newPrice = BigDecimal.valueOf(1);
 
            BigDecimal transferAmount = amount.multiply(newPrice);
            String hash = ChainService.getInstance(ChainEnum.BSC_TFC.name()).transfer(e.from, transferAmount);
            fundFlow.setToHash(hash);
            dappFundFlowDao.updateById(fundFlow);
        }
    }
}