package cc.mrbird.febs.mall.chain.service;
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import cc.mrbird.febs.common.exception.FebsException;
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import cc.mrbird.febs.mall.chain.enums.ChainEnum;
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import cc.mrbird.febs.mall.chain.enums.EthService;
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import cn.hutool.core.util.ObjectUtil;
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import io.reactivex.Flowable;
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import io.reactivex.disposables.Disposable;
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import lombok.extern.slf4j.Slf4j;
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import org.java_websocket.WebSocket;
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import org.java_websocket.exceptions.WebsocketNotConnectedException;
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import org.web3j.crypto.Credentials;
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import org.web3j.protocol.Web3j;
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import org.web3j.protocol.core.DefaultBlockParameter;
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import org.web3j.protocol.core.DefaultBlockParameterName;
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import org.web3j.protocol.core.DefaultBlockParameterNumber;
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import org.web3j.protocol.core.methods.request.EthFilter;
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import org.web3j.protocol.http.HttpService;
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import org.web3j.protocol.websocket.WebSocketClient;
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import org.web3j.protocol.websocket.WebSocketService;
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import org.web3j.tx.gas.StaticGasProvider;
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import java.math.BigInteger;
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import java.net.ConnectException;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* @author
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* @date 2022-03-23
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**/
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@Slf4j
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public class ChainService {
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private final static Map<String, ContractChainService> contractMap = new HashMap<>();
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static {
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for (ChainEnum chain : ChainEnum.values()) {
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contractMap.put(chain.name(), new EthService(chain.getUrl(), chain.getAddress(), chain.getPrivateKey(), chain.getContractAddress()));
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}
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}
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private ChainService() {
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}
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public final static ChainService INSTANCE = new ChainService();
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public static ContractChainService getInstance(String chainType) {
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ContractChainService contract = contractMap.get(chainType);
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if (contract == null) {
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throw new FebsException("参数错误");
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}
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return contract;
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}
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/**
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* 监听合约事件
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*
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* @param startBlock 开始区块
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*/
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public static void contractEventListener(BigInteger startBlock, ContractEventService event, String type) {
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contractEventListener(startBlock, null, event, type);
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}
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public static void contractEventListener(BigInteger startBlock, BigInteger endBlock, ContractEventService event, String type) {
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ChainEnum chain = ChainEnum.getValueByName(type);
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assert chain != null;
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EthUsdtContract contract = contract(chain.getPrivateKey(), chain.getContractAddress(), chain.getUrl());
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EthFilter filter = getFilter(startBlock, endBlock, chain.getContractAddress());
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Flowable<EthUsdtContract.TransferEventResponse> eventFlowable = contract.transferEventFlowable(filter);
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eventFlowable.subscribe(e -> {
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event.compile(e);
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}, error -> {
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log.error("合约监听启动报错", error);
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});
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}
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public static void wssContractEventListener(BigInteger startBlock, ContractEventService event, String type) {
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WebSocketService ws = null;
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WebSocketClient webSocketClient = null;
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Web3j web3j = null;
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ChainEnum chain = ChainEnum.getValueByName(type);
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// try {
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// webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
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// ws = new WebSocketService(webSocketClient, true);
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// ws.connect();
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// } catch (Exception e) {
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// try {
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// ws.close();
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// //TODO
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// if(ObjectUtil.isEmpty(webSocketClient)){
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// webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
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// ws = new WebSocketService(webSocketClient, true);
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// ws.connect();
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// }
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// WebSocket.READYSTATE readyState = webSocketClient.getReadyState();
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// if((WebSocket.READYSTATE.OPEN != readyState
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// && WebSocket.READYSTATE.CONNECTING != readyState)){
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// webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
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// ws = new WebSocketService(webSocketClient, true);
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// ws.connect();
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// }
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// } catch (Exception connectException) {
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// connectException.printStackTrace();
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// }
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// }
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try {
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webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
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ws = new WebSocketService(webSocketClient, true);
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ws.connect();
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web3j = Web3j.build(ws);
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assert chain != null;
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try{
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EthUsdtContract ethUsdtContract = wssContract(chain.getPrivateKey(), chain.getContractAddress(), web3j);
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EthFilter filter = getFilter(startBlock, startBlock, chain.getContractAddress());
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Flowable<EthUsdtContract.TransferEventResponse> eventFlowable = ethUsdtContract.transferEventFlowable(filter);
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Disposable subscribe = eventFlowable.subscribe(event::compile, error -> {
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log.error("币安监听异常", error);
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});
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}catch(WebsocketNotConnectedException e){
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ws.close();
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webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
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ws = new WebSocketService(webSocketClient, true);
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ws.connect();
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web3j = Web3j.build(ws);
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assert chain != null;
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EthUsdtContract ethUsdtContract = wssContract(chain.getPrivateKey(), chain.getContractAddress(), web3j);
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EthFilter filter = getFilter(startBlock, startBlock, chain.getContractAddress());
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Flowable<EthUsdtContract.TransferEventResponse> eventFlowable = ethUsdtContract.transferEventFlowable(filter);
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Disposable subscribe = eventFlowable.subscribe(event::compile, error -> {
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log.error("币安监听异常", error);
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});
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}
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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public static void wssBaseCoinEventListener(BigInteger startBlock, BaseCoinService event) {
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WebSocketService ws = null;
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WebSocketClient webSocketClient = null;
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Web3j web3j = null;
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try {
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webSocketClient = new WebSocketClient(new URI("wss://bsc-mainnet.nodereal.io/ws/v1/78074065950e4915aef4f12b6f357d16"));
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ws = new WebSocketService(webSocketClient, true);
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ws.connect();
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web3j = Web3j.build(ws);
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Disposable subscribe = web3j.replayPastAndFutureTransactionsFlowable(new DefaultBlockParameterNumber(startBlock)).subscribe(event::compile, error ->{
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log.error("监听链上异常", error);
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});
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}catch (Exception e) {
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e.printStackTrace();
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}
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}
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private static EthUsdtContract contract(String privateKey, String contractAddress, String url) {
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Credentials credentials = Credentials.create(privateKey);
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HttpService httpService = new HttpService(url);
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// httpService.addHeader("Authorization", "Bearer " + Base64.encode("tfc:tfc123".getBytes()));
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// httpService.addHeader("Authorization", "Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJwdWJsaWMiLCJleHAiOjE2NTk5MzcxOTAsImp0aSI6IjRiMjNkYTVjLWRlZWEtNDYzNi04YjMwLWNmMmZmMjVkM2NlYyIsImlhdCI6MTY1OTkzMzU5MCwiaXNzIjoiQW5rciIsIm5iZiI6MTY1OTkzMzU5MCwic3ViIjoiZmNiNjY0YjItOGEwNC00N2E5LTg3ZjMtNTJhMjE2ODVlMzEzIn0.YfEwvDByU2MGHywsblZpEmKMIbjv4cWYkn5CaFglXY0TSANzd2pCSbIe40yU_R9_nV6xZeE8Uk74jJOdd_QvMpFyUgo-MMNWZP6uiEaYvK_K3tlpk5yzeZq9D4ruWaq8rFKggr-iaRGzu6coRSAOFv2prWll3a7NdEbmkM-y5Y85xYD6g1N-TPIpE_Y-_-WPf3JUavk744kG8YyHhGvAmk2IL0N2xePfC6CHesdJhwvmJJXzr_53dbPwit1y5KljS0iTZz3mGTML2bq4hGaEHbQxeY2fBpZOSm8sPMz-zB9IVJQKzH5-DXlPKz01mJ9XiBJlubfHsN72RdqFD-O2Tw");
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return EthUsdtContract.load(contractAddress,
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Web3j.build(httpService),
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credentials,
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new StaticGasProvider(BigInteger.valueOf(4500000L), BigInteger.valueOf(200000L)));
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}
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private static EthUsdtContract wssContract(String privateKey, String contractAddress, Web3j web3j) {
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Credentials credentials = Credentials.create(privateKey);
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// httpService.addHeader("Authorization", "Bearer " + Base64.encode("tfc:tfc123".getBytes()));
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// httpService.addHeader("Authorization", "Bearer eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJhdWQiOiJwdWJsaWMiLCJleHAiOjE2NTk5MzcxOTAsImp0aSI6IjRiMjNkYTVjLWRlZWEtNDYzNi04YjMwLWNmMmZmMjVkM2NlYyIsImlhdCI6MTY1OTkzMzU5MCwiaXNzIjoiQW5rciIsIm5iZiI6MTY1OTkzMzU5MCwic3ViIjoiZmNiNjY0YjItOGEwNC00N2E5LTg3ZjMtNTJhMjE2ODVlMzEzIn0.YfEwvDByU2MGHywsblZpEmKMIbjv4cWYkn5CaFglXY0TSANzd2pCSbIe40yU_R9_nV6xZeE8Uk74jJOdd_QvMpFyUgo-MMNWZP6uiEaYvK_K3tlpk5yzeZq9D4ruWaq8rFKggr-iaRGzu6coRSAOFv2prWll3a7NdEbmkM-y5Y85xYD6g1N-TPIpE_Y-_-WPf3JUavk744kG8YyHhGvAmk2IL0N2xePfC6CHesdJhwvmJJXzr_53dbPwit1y5KljS0iTZz3mGTML2bq4hGaEHbQxeY2fBpZOSm8sPMz-zB9IVJQKzH5-DXlPKz01mJ9XiBJlubfHsN72RdqFD-O2Tw");
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return EthUsdtContract.load(contractAddress,
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web3j,
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credentials,
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new StaticGasProvider(BigInteger.valueOf(4500000L), BigInteger.valueOf(200000L)));
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}
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private static EthFilter getFilter(BigInteger startBlock, String contractAddress) {
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return getFilter(startBlock, null, contractAddress);
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}
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private static EthFilter getFilter(BigInteger startBlock, BigInteger endBlock, String contractAddress) {
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DefaultBlockParameter startParameterName = null;
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DefaultBlockParameter endParameterName = null;
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if (startBlock != null) {
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startParameterName = new DefaultBlockParameterNumber(startBlock);
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} else {
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startParameterName = DefaultBlockParameterName.EARLIEST;
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}
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if (endBlock != null) {
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endParameterName = new DefaultBlockParameterNumber(endBlock);
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} else {
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endParameterName = DefaultBlockParameterName.LATEST;
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}
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return new EthFilter(startParameterName, endParameterName, contractAddress);
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}
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public static void main(String[] args) {
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// ChainEnum chain = ChainEnum.getValueByName(ChainEnum.BSC_TFC.name());
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// assert chain != null;
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//
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// EthUsdtContract contract = contract(chain.getPrivateKey(), chain.getContractAddress(), chain.getUrl());
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// EthFilter filter = getFilter(new BigInteger("18097238"), chain.getContractAddress());
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//
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// contract.transferEventFlowable(filter).subscribe(e -> {
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// System.out.println(1);
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// }, error -> {
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// log.error("--->", error);
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// });
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// System.out.println(ChainService.getInstance(ChainEnum.BSC_TFC.name()).totalSupply());
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}
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}
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