package cc.mrbird.febs.dapp.contract;
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import cc.mrbird.febs.common.service.RedisService;
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import cn.hutool.core.util.StrUtil;
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import cn.hutool.http.HttpUtil;
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import com.alibaba.fastjson.JSONObject;
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import org.springframework.beans.factory.annotation.Autowired;
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import cc.mrbird.febs.dapp.entity.DappFundFlowEntity;
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import cc.mrbird.febs.dapp.entity.DappMemberEntity;
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import cc.mrbird.febs.dapp.entity.DappSystemProfit;
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import cc.mrbird.febs.dapp.mapper.DappFundFlowDao;
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import cc.mrbird.febs.dapp.mapper.DappMemberDao;
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import cc.mrbird.febs.dapp.mapper.DappSystemProfitDao;
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import cc.mrbird.febs.rabbit.producer.ChainProducer;
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import cn.hutool.core.collection.CollUtil;
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import cn.hutool.core.util.ObjectUtil;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.web3j.crypto.Credentials;
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import org.web3j.protocol.Web3j;
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import org.web3j.protocol.core.DefaultBlockParameterName;
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import org.web3j.protocol.core.DefaultBlockParameterNumber;
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import org.web3j.protocol.core.methods.request.EthFilter;
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import org.web3j.protocol.core.methods.response.TransactionReceipt;
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import org.web3j.protocol.http.HttpService;
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import org.web3j.tx.gas.DefaultGasProvider;
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import org.web3j.tx.gas.StaticGasProvider;
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import org.web3j.utils.Convert;
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import java.math.BigInteger;
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import java.util.List;
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@Component
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public class ContractMain {
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@Autowired
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private DappFundFlowDao dappFundFlowDao;
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@Autowired
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private DappMemberDao dappMemberDao;
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@Autowired
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private DappSystemProfitDao dappSystemProfitDao;
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@Autowired
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private ChainProducer chainProducer;
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private static Web3j web3;
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@Autowired
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private RedisService redisService;
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private static Web3j getInstance() {
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if (web3 == null) {
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HttpService httpService = new HttpService(blockchainNode);
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web3 = Web3j.build(httpService);
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}
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return web3;
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}
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// gas费用单价
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// public static final BigInteger GAS_PRICE = BigInteger.valueOf(32000000000L);
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public static final BigInteger GAS_PRICE = Convert.toWei(getGas(), Convert.Unit.GWEI).toBigInteger();
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// gas费用最大值
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// public static final BigInteger GAS_LIMIT = BigInteger.valueOf(4300000L);
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public static final BigInteger GAS_LIMIT = Convert.toWei("100000", Convert.Unit.WEI).toBigInteger();
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private static StaticGasProvider getStaticGasProvider(){
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return new StaticGasProvider(GAS_PRICE,GAS_LIMIT);
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}
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private static String getGas() {
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String gas;
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String resp = HttpUtil.get("https://gbsc.blockscan.com/gasapi.ashx?apikey=key&method=gasoracle");
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JSONObject data = JSONObject.parseObject(resp);
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gas = data.getString("FastGasPrice");
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return StrUtil.isBlank(gas) ? "35" : gas;
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}
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private static Web3j getInstanceScope() {
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HttpService httpService = new HttpService(blockchainNode);
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return Web3j.build(httpService);
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}
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// 区块链节点地址 TODO
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private static String blockchainNode = "https://data-seed-prebsc-1-s1.binance.org:8545/";
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// 合约地址 TODO
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private static String contractAddr = "0x90EEba71E1d2D0C09840cdB9B74759dFAe15Fc7E";
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// private static String contractAddr = "0x4703cfEf33b6DbcF6a3020Ef98FC6ab9C4CC06b3";
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// private static String contractAddr = "0x8f444b9b9C71f4Be883aE15466D71EC7699Cb5B1";
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// 操作账号 合约创建者的私钥 用于操作合约内方法 TODO
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//private static String privateKey = "8ea073b74265f41a03138e1adf2e8a80f4f394ac5337aa2eec07562c1040a4e4";
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private static String privateKey = "0x8daacf781c7ad486abafba45aa9a68d6febcb618ce9cfaf21b9e6059729dac4e";
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private EthFilter getFilter(BigInteger startBlock) {
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if (startBlock != null) {
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EthFilter filter = new EthFilter(new DefaultBlockParameterNumber(startBlock),
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DefaultBlockParameterName.LATEST, contractAddr);
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return filter;
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} else {
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return new EthFilter(DefaultBlockParameterName.EARLIEST,
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DefaultBlockParameterName.LATEST, contractAddr);
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}
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}
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/**
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* 监听投注 参数是起始的区块值
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*/
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public void listenBetting(BigInteger startBlock){
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System.out.println("启动投注监听事件");
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// 指定密钥文件并进行账号和密码的验证
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Credentials credentials = Credentials.create(privateKey);
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Abi contract = Abi.load(contractAddr, getInstanceScope(), credentials, new DefaultGasProvider());
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EthFilter filter = getFilter(startBlock);
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contract.bettingEventFlowable(filter).subscribe(e->{
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try {
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// 投注时填的注册码
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String regCode = e.regCode;
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// 投注人的地址
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String from = e.from;
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// TODO 业务操作逻辑代码
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System.out.println("regCode:"+regCode+",address:"+from);
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// 更新区块编号 TODO
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//redisService.set("BNB_BLOCK_NUMBER",e.log.getBlockNumber().intValue());
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//投注人
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DappMemberEntity dappMemberEntity = dappMemberDao.selectByAddress(from, "BSC");
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if(ObjectUtil.isNotEmpty(dappMemberEntity)){
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//投注人是否加入
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DappSystemProfit dappSystemProfit = dappSystemProfitDao.selectByMemberIdAndState(dappMemberEntity.getId(), DappSystemProfit.STATE_IN);
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if(ObjectUtil.isNotEmpty(dappSystemProfit)){
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List<DappFundFlowEntity> dappFundFlowEntities = dappFundFlowDao.selectListByState(DappFundFlowEntity.WITHDRAW_STATUS_ING);
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if(CollUtil.isNotEmpty(dappFundFlowEntities)){
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for(DappFundFlowEntity dappFundFlowEntity : dappFundFlowEntities){
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//发送转币消息
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chainProducer.sendBnbTransferMsg(dappFundFlowEntity.getId());
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// DappMemberEntity dappMember = dappMemberDao.selectById(dappFundFlowEntity.getMemberId());
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// trans(new BigInteger(dappFundFlowEntity.getAmount().toString()),dappMember.getAddress());
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}
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}
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}
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}
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}catch (Exception exception) {
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exception.printStackTrace();
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}
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});
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}
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/**
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* 从合约内转币到制定地址
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*/
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public String trans(BigInteger amount, String to1){
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String transactionHash = null;
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Credentials credentials = Credentials.create(privateKey);
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Abi contract = Abi.load(contractAddr, getInstance(), credentials, getStaticGasProvider());
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try {
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TransactionReceipt send = contract.trans(amount, to1).send();
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if(ObjectUtil.isNotEmpty(send)){
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transactionHash = send.getTransactionHash();
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}
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} catch (Exception exception) {
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exception.printStackTrace();
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}
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return transactionHash;
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}
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}
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