From bd0f18ea45da0c84b11aa14c7017631f937b6084 Mon Sep 17 00:00:00 2001
From: xiaoyong931011 <15274802129@163.com>
Date: Wed, 22 Mar 2023 11:30:47 +0800
Subject: [PATCH] 后台修改
---
src/main/java/cc/mrbird/febs/mall/chain/service/ChainService.java | 64 ++++++++++++++++++++++++++++++++
1 files changed, 64 insertions(+), 0 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/mall/chain/service/ChainService.java b/src/main/java/cc/mrbird/febs/mall/chain/service/ChainService.java
index deacdd9..62faeb7 100644
--- a/src/main/java/cc/mrbird/febs/mall/chain/service/ChainService.java
+++ b/src/main/java/cc/mrbird/febs/mall/chain/service/ChainService.java
@@ -6,6 +6,7 @@
import cn.hutool.core.util.ObjectUtil;
import io.reactivex.Flowable;
import io.reactivex.disposables.Disposable;
+import io.reactivex.schedulers.Schedulers;
import lombok.extern.slf4j.Slf4j;
import org.java_websocket.WebSocket;
import org.java_websocket.exceptions.WebsocketNotConnectedException;
@@ -26,6 +27,9 @@
import java.net.URISyntaxException;
import java.util.HashMap;
import java.util.Map;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
/**
* @author
@@ -148,6 +152,66 @@
}
+ public static void wssContractEventListener2(BigInteger startBlock, ContractEventService event, String type) {
+ ChainEnum chain = ChainEnum.getValueByName(type);
+
+ ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
+ WebSocketService ws = null;
+ try{
+ WebSocketClient webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
+ ws = new WebSocketService(webSocketClient, true);
+ ws.connect();
+ Web3j web3j = Web3j.build(ws);
+
+ EthUsdtContract ethUsdtContract = wssContract(chain.getPrivateKey(), chain.getContractAddress(), web3j);
+ EthFilter filter = getFilter(startBlock, startBlock, chain.getContractAddress());
+ Flowable<EthUsdtContract.TransferEventResponse> eventFlowable = ethUsdtContract.transferEventFlowable(filter);
+
+ // 订阅事件流，将事件编译和处理放到单独的线程中执行
+ Disposable subscribe = eventFlowable.observeOn(Schedulers.from(executor))
+ .subscribe(event::compile, error -> {
+ log.error("币安监听异常", error);
+ // 异常情况下，递归重试连接和订阅
+ int retries = 3;
+ while (retries-- > 0) {
+ try {
+ Thread.sleep(1000);
+ wssContractEventListener(startBlock, event, type);
+ return;
+ } catch (Exception ex) {
+ log.error("币安监听异常", ex);
+ }
+ }
+ });
+
+ // 使用try-with-resources语句，确保WebSocket连接和Disposable对象能够被及时关闭和释放
+ try{
+ // 等待订阅事件流的线程结束，然后关闭连接和释放资源
+ executor.schedule(ws::close, 1, TimeUnit.SECONDS);
+ executor.awaitTermination(2, TimeUnit.SECONDS);
+ subscribe.dispose();
+ } catch (InterruptedException e) {
+ e.printStackTrace();
+ }
+ } catch (Exception e) {
+ log.error("币安监听异常", e);
+
+ // 将递归重试连接和订阅改为有限次数的重试，避免出现无限递归的情况
+ int retries = 3;
+ while (retries-- > 0) {
+ try {
+ Thread.sleep(1000);
+ wssContractEventListener(startBlock, event, type);
+ return;
+ } catch (Exception ex) {
+ log.error("币安监听异常", ex);
+ }
+ }
+ } finally {
+ executor.shutdownNow();
+ }
+ }
+
public static void wssBaseCoinEventListener(BigInteger startBlock, BaseCoinService event) {
--
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