From dc76fa3e61cc6ed31a82d44002e89059b4ca8a88 Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Tue, 25 Jun 2024 11:05:15 +0800
Subject: [PATCH] 后台

---
 src/main/java/cc/mrbird/febs/mall/chain/ChainService.java |  178 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 173 insertions(+), 5 deletions(-)

diff --git a/src/main/java/cc/mrbird/febs/mall/chain/ChainService.java b/src/main/java/cc/mrbird/febs/mall/chain/ChainService.java
index e736b56..1aa49bb 100644
--- a/src/main/java/cc/mrbird/febs/mall/chain/ChainService.java
+++ b/src/main/java/cc/mrbird/febs/mall/chain/ChainService.java
@@ -2,6 +2,8 @@
 
 import cc.mrbird.febs.common.exception.FebsException;
 import io.reactivex.Flowable;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.schedulers.Schedulers;
 import lombok.extern.slf4j.Slf4j;
 import org.web3j.crypto.Credentials;
 import org.web3j.protocol.Web3j;
@@ -10,11 +12,16 @@
 import org.web3j.protocol.core.DefaultBlockParameterNumber;
 import org.web3j.protocol.core.methods.request.EthFilter;
 import org.web3j.protocol.http.HttpService;
+import org.web3j.protocol.websocket.WebSocketClient;
+import org.web3j.protocol.websocket.WebSocketService;
 import org.web3j.tx.gas.StaticGasProvider;
 
 import java.math.BigInteger;
+import java.net.URI;
 import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicInteger;
 
 /**
  * @author
@@ -27,11 +34,6 @@
     static {
         for (ChainEnum chain : ChainEnum.values()) {
             contractMap.put(chain.name(), new EthService(chain.getUrl(), chain.getAddress(), chain.getPrivateKey(), chain.getContractAddress()));
-//            if ("TRX".equals(chain.getChain())) {
-//                contractMap.put(chain.name(), new TrxService(chain.getAddress(), chain.getPrivateKey(), chain.getContractAddress(), chain.getApiKey()));
-//            } else {
-//                contractMap.put(chain.name(), new EthService(chain.getUrl(), chain.getAddress(), chain.getPrivateKey(), chain.getContractAddress()));
-//            }
         }
     }
 
@@ -49,4 +51,170 @@
         return contract;
     }
 
+    /**
+     * 监听合约事件
+     *
+     * @param startBlock 开始区块
+     */
+    public static void contractEventListener(BigInteger startBlock, ContractEventService event, String type) {
+        contractEventListener(startBlock, null, event, type);
+    }
+
+    public static void contractEventListener(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);
+        eventFlowable.subscribe(e -> {
+            event.compile(e);
+        }, error -> {
+            log.error("合约监听启动报错", error);
+        });
+    }
+
+    public static void sdmUSDTEventListener(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.sdmUSDT(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
+        );
+
+    }
+
+
+    public static void sdmChargeEventListener(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.compile(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
+        );
+
+    }
+
+    public static void wssContractEventListener(BigInteger startBlock, ContractEventService event, String type) {
+        WebSocketService ws = null;
+        WebSocketClient webSocketClient = null;
+        Web3j web3j = null;
+
+        try {
+            webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
+            ws = new WebSocketService(webSocketClient, true);
+            ws.connect();
+            web3j = Web3j.build(ws);
+            ChainEnum chain = ChainEnum.getValueByName(type);
+            assert chain != null;
+
+            EthUsdtContract ethUsdtContract = wssContract(chain.getPrivateKey(), chain.getContractAddress(), web3j);
+            EthFilter filter = getFilter(startBlock, null, chain.getContractAddress());
+
+
+            Flowable<EthUsdtContract.TransferEventResponse> eventFlowable = ethUsdtContract.transferEventFlowable(filter);
+            Disposable subscribe = eventFlowable.subscribe(event::compile, error -> {
+                log.error("币安监听异常", error);
+            });
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+    }
+
+
+    private static EthUsdtContract contract(String privateKey, String contractAddress, String url) {
+        Credentials credentials = Credentials.create(privateKey);
+        HttpService httpService = new HttpService(url);
+//        httpService.addHeader("Authorization", "Bearer " + Base64.encode("tfc:tfc123".getBytes()));
+//        httpService.addHeader("Authorization", "Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJwdWJsaWMiLCJleHAiOjE2NTk5MzcxOTAsImp0aSI6IjRiMjNkYTVjLWRlZWEtNDYzNi04YjMwLWNmMmZmMjVkM2NlYyIsImlhdCI6MTY1OTkzMzU5MCwiaXNzIjoiQW5rciIsIm5iZiI6MTY1OTkzMzU5MCwic3ViIjoiZmNiNjY0YjItOGEwNC00N2E5LTg3ZjMtNTJhMjE2ODVlMzEzIn0.YfEwvDByU2MGHywsblZpEmKMIbjv4cWYkn5CaFglXY0TSANzd2pCSbIe40yU_R9_nV6xZeE8Uk74jJOdd_QvMpFyUgo-MMNWZP6uiEaYvK_K3tlpk5yzeZq9D4ruWaq8rFKggr-iaRGzu6coRSAOFv2prWll3a7NdEbmkM-y5Y85xYD6g1N-TPIpE_Y-_-WPf3JUavk744kG8YyHhGvAmk2IL0N2xePfC6CHesdJhwvmJJXzr_53dbPwit1y5KljS0iTZz3mGTML2bq4hGaEHbQxeY2fBpZOSm8sPMz-zB9IVJQKzH5-DXlPKz01mJ9XiBJlubfHsN72RdqFD-O2Tw");
+        return EthUsdtContract.load(contractAddress,
+                Web3j.build(httpService),
+                credentials,
+                new StaticGasProvider(BigInteger.valueOf(4500000L), BigInteger.valueOf(200000L)));
+    }
+
+    private static EthUsdtContract wssContract(String privateKey, String contractAddress, Web3j web3j) {
+        Credentials credentials = Credentials.create(privateKey);
+//        httpService.addHeader("Authorization", "Bearer " + Base64.encode("tfc:tfc123".getBytes()));
+//        httpService.addHeader("Authorization", "Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJwdWJsaWMiLCJleHAiOjE2NTk5MzcxOTAsImp0aSI6IjRiMjNkYTVjLWRlZWEtNDYzNi04YjMwLWNmMmZmMjVkM2NlYyIsImlhdCI6MTY1OTkzMzU5MCwiaXNzIjoiQW5rciIsIm5iZiI6MTY1OTkzMzU5MCwic3ViIjoiZmNiNjY0YjItOGEwNC00N2E5LTg3ZjMtNTJhMjE2ODVlMzEzIn0.YfEwvDByU2MGHywsblZpEmKMIbjv4cWYkn5CaFglXY0TSANzd2pCSbIe40yU_R9_nV6xZeE8Uk74jJOdd_QvMpFyUgo-MMNWZP6uiEaYvK_K3tlpk5yzeZq9D4ruWaq8rFKggr-iaRGzu6coRSAOFv2prWll3a7NdEbmkM-y5Y85xYD6g1N-TPIpE_Y-_-WPf3JUavk744kG8YyHhGvAmk2IL0N2xePfC6CHesdJhwvmJJXzr_53dbPwit1y5KljS0iTZz3mGTML2bq4hGaEHbQxeY2fBpZOSm8sPMz-zB9IVJQKzH5-DXlPKz01mJ9XiBJlubfHsN72RdqFD-O2Tw");
+        return EthUsdtContract.load(contractAddress,
+                web3j,
+                credentials,
+                new StaticGasProvider(BigInteger.valueOf(4500000L), BigInteger.valueOf(200000L)));
+    }
+
+    private static EthFilter getFilter(BigInteger startBlock, String contractAddress) {
+        return getFilter(startBlock, null, contractAddress);
+    }
+
+    private static EthFilter getFilter(BigInteger startBlock, BigInteger endBlock, String contractAddress) {
+        DefaultBlockParameter startParameterName = null;
+        DefaultBlockParameter endParameterName = null;
+        if (startBlock != null) {
+            startParameterName = new DefaultBlockParameterNumber(startBlock);
+        } else {
+            startParameterName = DefaultBlockParameterName.EARLIEST;
+        }
+
+        if (endBlock != null) {
+            endParameterName = new DefaultBlockParameterNumber(endBlock);
+        } else {
+            endParameterName = DefaultBlockParameterName.LATEST;
+        }
+
+        return new EthFilter(startParameterName, endParameterName, contractAddress);
+    }
+
 }

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