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) { -- Gitblit v1.9.1