add dapp login

Helius

2022-05-26 2c86d804e005a62591fcc6a78c845d7a295aebcf

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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 org.apache.commons.lang3.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
 
import javax.annotation.Resource;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.RoundingMode;
 
@Service
public class BscCoinContractEvent implements ContractEventService {
 
    @Resource
    private DappMemberDao dappMemberDao;
 
    @Resource
    private DappMemberService dappMemberService;
 
    @Resource
    private DappFundFlowDao dappFundFlowDao;
 
    private final String ADDRESS = "0x977a9ddfb965a9a3416fa72ca7f91c4949c18f25";
    int decimals = ChainService.getInstance(ChainEnum.BSC_TFC.name()).decimals();
 
    @Transactional(rollbackFor = Exception.class)
    @Override
    public void compile(EthUsdtContract.TransferEventResponse e) {
        if (e.to != null) {
            if ("0x0000000000000000000000000000000000000000".equals(e.from)) {
                return;
            }
 
            DappMemberEntity fromMember = dappMemberService.findByAddress(e.from, null);
            if (fromMember == null) {
                fromMember = dappMemberService.insertMember(e.from, null);
            }
 
            if (!e.to.equals(ADDRESS)) {
                DappMemberEntity toMember = dappMemberDao.selectByAddress(e.to, null);
                if (toMember == null) {
                    toMember = dappMemberService.insertMember(e.to, fromMember.getInviteId());
                }
            }
 
            //
            // 卖币
            if (e.to.equals(ADDRESS)) {
                BigInteger tokens = e.tokens;
 
                BigDecimal amount = BigDecimal.valueOf(tokens.intValue()).divide(BigDecimal.TEN.pow(4), 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_USDT.name()).transfer(e.from, transferAmount);
                fundFlow.setToHash(hash);
                dappFundFlowDao.updateById(fundFlow);
            }
 
        }
    }
}