From c268540881fe493bc40e76ba82793a63c0897c91 Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Thu, 16 May 2024 10:41:12 +0800
Subject: [PATCH] 滑点监控
---
src/main/java/cc/mrbird/febs/dapp/chain/ChainService.java | 49 +++++++++++++++++++++++++++++++++++--------------
1 files changed, 35 insertions(+), 14 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/dapp/chain/ChainService.java b/src/main/java/cc/mrbird/febs/dapp/chain/ChainService.java
index e179206..5865b2d 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/ChainService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/ChainService.java
@@ -1,35 +1,21 @@
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;
import org.web3j.protocol.core.DefaultBlockParameter;
import org.web3j.protocol.core.DefaultBlockParameterName;
import org.web3j.protocol.core.DefaultBlockParameterNumber;
import org.web3j.protocol.core.methods.request.EthFilter;
-import org.web3j.protocol.core.methods.response.TransactionReceipt;
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;
import java.util.concurrent.atomic.AtomicInteger;
@@ -139,6 +125,41 @@
}
+ public static void huadianEventListener(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.TransferEventResponse> eventFlowable = contract.transferEventFlowable(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
+ .retryWhen(errors -> {
+ AtomicInteger counter = new AtomicInteger();
+ return errors.takeWhile(e -> counter.getAndIncrement() != 3)
+ .flatMap(e -> {
+ System.out.println("delay retry by " + counter.get() + " second(s)");
+ return Flowable.timer(counter.get(), TimeUnit.SECONDS);
+ });
+ })
+ .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.huadian(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
+ );
+
+ }
+
private static EthUsdtContract contract(String privateKey, String contractAddress, String url) {
Credentials credentials = Credentials.create(privateKey);
--
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