合约监听

KKSU

2024-05-09 c11b6735d77afb314998931d0a58dc1413486f97

合约监听

 src/main/java/cc/mrbird/febs/dapp/chain/ChainService.java

@@ -1,11 +1,17 @@
package cc.mrbird.febs.dapp.chain;

import cc.mrbird.febs.common.exception.FebsException;
import cn.hutool.core.lang.func.Func1;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSONObject;
import io.reactivex.Flowable;
import io.reactivex.Observable;
import io.reactivex.disposables.Disposable;
import io.reactivex.functions.Function;
import io.reactivex.schedulers.Schedulers;
import lombok.extern.slf4j.Slf4j;
import org.reactivestreams.Publisher;
import org.springframework.data.repository.query.ParameterOutOfBoundsException;
import org.web3j.crypto.Credentials;
import org.web3j.protocol.Web3j;
@@ -17,12 +23,15 @@
import org.web3j.protocol.http.HttpService;
import org.web3j.tx.gas.StaticGasProvider;

import java.io.IOException;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.rmi.activation.UnknownObjectException;
import java.time.Duration;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;

/**
 * @author
@@ -79,6 +88,21 @@
        });
    }

//    public static void coinRewardEventListener(BigInteger startBlock, BigInteger endBlock, ContractEventService event, String type) {
//        ChainEnum chain = ChainEnum.getValueByName(type);
//        assert chain != null;
//
//        EthUsdtContract contract = contract(chain.getPrivateKey(), chain.getContractAddress(), chain.getUrl());
//        EthFilter filter = getFilter(startBlock, endBlock, chain.getContractAddress());
//
//        Flowable<EthUsdtContract.CoinRewardEventResponse> eventFlowable = contract.coinRewardEventFlowable(filter);
//        eventFlowable.subscribe(e -> {
//            event.coinReward(e);
//        }, error -> {
//            log.error("合约监听启动报错", error);
//        });
//    }

    public static void coinRewardEventListener(BigInteger startBlock, BigInteger endBlock, ContractEventService event, String type) {
        ChainEnum chain = ChainEnum.getValueByName(type);
        assert chain != null;
@@ -86,12 +110,24 @@
        EthUsdtContract contract = contract(chain.getPrivateKey(), chain.getContractAddress(), chain.getUrl());
        EthFilter filter = getFilter(startBlock, endBlock, chain.getContractAddress());

        Flowable<EthUsdtContract.CoinRewardEventResponse> eventFlowable = contract.coinRewardEventFlowable(filter);
        eventFlowable.subscribe(e -> {
            event.coinReward(e);
        }, error -> {
            log.error("合约监听启动报错", error);
        });
        Flowable<EthUsdtContract.CoinRewardEventResponse> eventFlowable = contract.coinRewardEventFlowable(filter)
                .doOnError(throwable ->
                        log.error("合约事件监听发生错误: " + throwable.getMessage(), throwable)) // 更具体的错误日志记录
                .subscribeOn(Schedulers.io()); // 指定subscribe操作在IO线程中执行，避免阻塞主线程

        eventFlowable.subscribe(
                e -> {
                    try {
                        event.coinReward(e); // 处理事件
                    } catch (Exception ex) {
                        // 处理事件时可能出现的异常
                        log.error("处理合约事件时出错", ex);
                    }
                },
                Throwable::printStackTrace, // 打印错误堆栈，或者可以替换为更具体的错误处理逻辑
                () -> log.info("合约事件监听已完成") // 在Flowable完成时执行的逻辑，如记录日志等
        );

    }



 src/main/java/cc/mrbird/febs/dapp/chain/EthUsdtContract.java

@@ -386,24 +386,6 @@
        return web3j.ethLogFlowable(filter).map(new Function<Log, CoinRewardEventResponse>() {
            @Override
            public CoinRewardEventResponse apply(Log log) {
//                final List<String> topics = log.getTopics();
//                String encodedEventSignature = EventEncoder.encode(COINREWARD_EVENT);
//                if (topics == null || topics.size() == 0 || !topics.get(0).equals(encodedEventSignature)) {
//                    return null;
//                }
//
//                List<Type> indexedValues = new ArrayList<>();
//                List<Type> nonIndexedValues =
//                        FunctionReturnDecoder.decode(log.getData(), COINREWARD_EVENT.getNonIndexedParameters());
//
//                List<TypeReference<Type>> indexedParameters = COINREWARD_EVENT.getIndexedParameters();
//                for (int i = 0; i < indexedParameters.size(); i++) {
//                    Type value =
//                            FunctionReturnDecoder.decodeIndexedValue(
//                                    topics.get(i + 1), indexedParameters.get(i));
//                    indexedValues.add(value);
//                }
//                final EventValues eventValues = new EventValues(indexedValues, nonIndexedValues);
                EventValuesWithLog eventValues = extractEventParametersWithLog(COINREWARD_EVENT, log);
                CoinRewardEventResponse typedResponse = new CoinRewardEventResponse();
                if(eventValues!=null){