合约监听

KKSU

2024-05-09 f2dd0068e9f235fd364120cb32607169831b2c98

 src/main/java/cc/mrbird/febs/dapp/chain/EthUsdtContract.java

@@ -147,6 +147,67 @@
    public static final Event TRANSFER_EVENT = new Event("Transfer",
            Arrays.<TypeReference<?>>asList(new TypeReference<Address>(true) {}, new TypeReference<Address>(true) {}, new TypeReference<Uint256>() {}));
    ;
    /**
     *        {
     *       "anonymous": false,
     *       "inputs": [
     *                        {
     *             "indexed": false,
     *             "internalType": "address",
     *             "name": "adr",
     *             "type": "address"
     *            },
     *            {
     *             "indexed": false,
     *             "internalType": "uint256",
     *             "name": "amount",
     *             "type": "uint256"
     *            },
     *            {
     *             "indexed": false,
     *             "internalType": "uint256",
     *             "name": "price",
     *             "type": "uint256"
     *            },
     *            {
     *             "indexed": false,
     *             "internalType": "uint256",
     *             "name": "usdtTarget",
     *             "type": "uint256"
     *            },
     *            {
     *             "indexed": false,
     *             "internalType": "uint256",
     *             "name": "coinTarget",
     *             "type": "uint256"
     *            },
     *            {
     *             "indexed": false,
     *             "internalType": "uint256",
     *             "name": "usdtCoin",
     *             "type": "uint256"
     *            },
     *            {
     *             "indexed": false,
     *             "internalType": "uint256",
     *             "name": "lastMineTime",
     *             "type": "uint256"
     *            }
     *       ],
     *       "name": "CoinReward",
     *       "type": "event"
     *    }
     */
    public static final Event COINREWARD_EVENT = new Event("CoinReward",
            Arrays.<TypeReference<?>>asList(
                    new TypeReference<Address>(false) {},
                    new TypeReference<Uint256>(false) {},
                    new TypeReference<Uint256>(false) {},
                    new TypeReference<Uint256>(false) {},
                    new TypeReference<Uint256>(false) {},
                    new TypeReference<Uint256>(false) {},
                    new TypeReference<Uint256>(false) {}));
    ;

    @Deprecated
    protected EthUsdtContract(String contractAddress, Web3j web3j, Credentials credentials, BigInteger gasPrice, BigInteger gasLimit) {
@@ -317,6 +378,56 @@
        EthFilter filter = new EthFilter(startBlock, endBlock, getContractAddress());
        filter.addSingleTopic(EventEncoder.encode(TRANSFER_EVENT));
        return transferEventFlowable(filter);
    }

    public Flowable<CoinRewardEventResponse> coinRewardEventFlowable(EthFilter filter) {
        return web3j.ethLogFlowable(filter).map(new Function<Log, CoinRewardEventResponse>() {
            @Override
            public CoinRewardEventResponse apply(Log log) {
//                final List<String> topics = log.getTopics();
//                String encodedEventSignature = EventEncoder.encode(COINREWARD_EVENT);
//                if (topics == null || topics.size() == 0 || !topics.get(0).equals(encodedEventSignature)) {
//                    return null;
//                }
//
//                List<Type> indexedValues = new ArrayList<>();
//                List<Type> nonIndexedValues =
//                        FunctionReturnDecoder.decode(log.getData(), COINREWARD_EVENT.getNonIndexedParameters());
//
//                List<TypeReference<Type>> indexedParameters = COINREWARD_EVENT.getIndexedParameters();
//                for (int i = 0; i < indexedParameters.size(); i++) {
//                    Type value =
//                            FunctionReturnDecoder.decodeIndexedValue(
//                                    topics.get(i + 1), indexedParameters.get(i));
//                    indexedValues.add(value);
//                }
//                final EventValues eventValues = new EventValues(indexedValues, nonIndexedValues);
                EventValuesWithLog eventValues = extractEventParametersWithLog(COINREWARD_EVENT, log);
                CoinRewardEventResponse typedResponse = new CoinRewardEventResponse();
                if(eventValues!=null){
                    typedResponse.adr = (String) eventValues.getNonIndexedValues().get(0).getValue();
                    typedResponse.amount = (BigInteger) eventValues.getNonIndexedValues().get(1).getValue();
                    typedResponse.price = (BigInteger) eventValues.getNonIndexedValues().get(2).getValue();
                    typedResponse.usdtTarget = (BigInteger) eventValues.getNonIndexedValues().get(3).getValue();
                    typedResponse.coinTarget = (BigInteger) eventValues.getNonIndexedValues().get(4).getValue();
                    typedResponse.usdtCoin = (BigInteger) eventValues.getNonIndexedValues().get(5).getValue();
                    typedResponse.lastMineTime = (BigInteger) eventValues.getNonIndexedValues().get(6).getValue();
                    typedResponse.blockHash = log.getTransactionHash();
                }

                return typedResponse;
            }
        });
    }

    public static void main(String[] args) {
        System.out.println(EventEncoder.encode(COINREWARD_EVENT));
    }

    public Flowable<CoinRewardEventResponse> coinRewardEventFlowable(DefaultBlockParameter startBlock, DefaultBlockParameter endBlock) {
        EthFilter filter = new EthFilter(startBlock, endBlock, getContractAddress());
        filter.addSingleTopic(EventEncoder.encode(COINREWARD_EVENT));
        return coinRewardEventFlowable(filter);
    }

    public RemoteFunctionCall<BigInteger> allowance(String tokenOwner, String spender) {
@@ -717,4 +828,16 @@

        public BigInteger tokens;
    }

    public static class CoinRewardEventResponse extends BaseEventResponse {
        public String adr;//地址

        public BigInteger amount;//总挖矿币量
        public BigInteger price;//挖矿时价格
        public BigInteger usdtTarget;//金本位多少USDT，单位USDT
        public BigInteger coinTarget;//币本位多少币
        public BigInteger usdtCoin;//金本位换算后多少币
        public BigInteger lastMineTime;//上一次挖矿时间
        public String blockHash;//上一次挖矿时间
    }
}