| | |
| | | package cc.mrbird.febs.dapp.chain; |
| | | |
| | | import cn.hutool.core.util.HexUtil; |
| | | import cn.hutool.core.util.StrUtil; |
| | | import cn.hutool.http.HttpUtil; |
| | | import com.alibaba.fastjson.JSONObject; |
| | | import org.apache.commons.lang3.StringUtils; |
| | | import org.bouncycastle.jcajce.provider.digest.SHA3; |
| | | import org.web3j.abi.FunctionEncoder; |
| | | import org.web3j.abi.FunctionReturnDecoder; |
| | | import org.web3j.abi.TypeReference; |
| | |
| | | import org.web3j.abi.datatypes.Function; |
| | | import org.web3j.abi.datatypes.Type; |
| | | import org.web3j.abi.datatypes.generated.Uint256; |
| | | import org.web3j.crypto.Credentials; |
| | | import org.web3j.crypto.RawTransaction; |
| | | import org.web3j.crypto.TransactionEncoder; |
| | | import org.web3j.crypto.*; |
| | | import org.web3j.protocol.Web3j; |
| | | import org.web3j.protocol.core.DefaultBlockParameterName; |
| | | import org.web3j.protocol.core.Request; |
| | | import org.web3j.protocol.core.methods.request.Transaction; |
| | | import org.web3j.protocol.core.methods.response.EthCall; |
| | | import org.web3j.protocol.core.methods.response.EthGetTransactionCount; |
| | | import org.web3j.protocol.core.methods.response.EthSendTransaction; |
| | | import org.web3j.protocol.core.methods.response.*; |
| | | import org.web3j.protocol.http.HttpService; |
| | | import org.web3j.utils.Convert; |
| | | import org.web3j.utils.Numeric; |
| | |
| | | import java.math.BigDecimal; |
| | | import java.math.BigInteger; |
| | | import java.math.RoundingMode; |
| | | import java.nio.charset.StandardCharsets; |
| | | import java.util.ArrayList; |
| | | import java.util.Arrays; |
| | | import java.util.List; |
| | |
| | | |
| | | HttpService service = new HttpService(url); |
| | | web3j = Web3j.build(service); |
| | | } |
| | | |
| | | public static void main(String[] args) throws IOException { |
| | | HttpService service = new HttpService("https://bsc-dataseed1.ninicoin.io"); |
| | | Web3j web3j = Web3j.build(service); |
| | | // Request<?, EthBlockNumber> request = web3j.ethBlockNumber(); |
| | | // EthBlockNumber send = request.send(); |
| | | // BigInteger bigInteger = Numeric.decodeQuantity(send.getResult()); |
| | | // System.out.println("0x113d6d0"); |
| | | |
| | | String s1 = Hash.sha3("0xf6b06a30196aa5e318232a3b61319eab0fd4a3bf_llE4"); |
| | | |
| | | System.out.println(s1); |
| | | String str = "0xc2cd497cbbbc8bd0eb00a1b7340af86eb8f40f4fd1ee8f8660831d3841cb84be306dd15ceda42acf5d1f1add31793f17d2123c8e321f855dc41e6f44318841e71b_" + s1; |
| | | // Web3Sha3 send = web3j.web3Sha3("0x0d694bf4095e1dd854f7ba365db340308c4b4e5c990df0cd2e91465dd080935b").send(); |
| | | |
| | | String s = Hash.sha3(str); |
| | | // 0x515415edb1d3ae67a97f995b71bd09feaed27319722e55c4817f88273679a9e2 |
| | | // 0x64296f548bf487d8e1fa8548572d316ffab08f92fe7d4438e747e9948778f802 |
| | | // 0xb3b7c4bb00a80a646ecb803139a4e81eb5857dad30b299520fbd30f6eeeafd81 |
| | | System.out.println(s); |
| | | } |
| | | |
| | | @Override |
| | |
| | | } |
| | | |
| | | @Override |
| | | public int decimals() { |
| | | try { |
| | | String methodName = "decimals"; |
| | | List<Type> inputParameters = new ArrayList<>(); |
| | | List<TypeReference<?>> outputParameters = new ArrayList<>(); |
| | | TypeReference<Uint256> typeReference = new TypeReference<Uint256>() { |
| | | }; |
| | | outputParameters.add(typeReference); |
| | | Function function = new Function(methodName, inputParameters, outputParameters); |
| | | String data = FunctionEncoder.encode(function); |
| | | Transaction transaction = Transaction.createEthCallTransaction(null, contractAddress, data); |
| | | |
| | | EthCall ethCall; |
| | | BigInteger decimals = BigInteger.ZERO; |
| | | try { |
| | | ethCall = web3j.ethCall(transaction, DefaultBlockParameterName.LATEST).send(); |
| | | List<Type> results = FunctionReturnDecoder.decode(ethCall.getValue(), function.getOutputParameters()); |
| | | decimals = (BigInteger) results.get(0).getValue(); |
| | | return decimals.intValue(); |
| | | } catch (IOException e) { |
| | | e.printStackTrace(); |
| | | } |
| | | |
| | | |
| | | } catch (Exception e) { |
| | | e.printStackTrace(); |
| | | } |
| | | return 0; |
| | | } |
| | | |
| | | @Override |
| | | public BigDecimal balanceOf(String fromAddress) { |
| | | int decimal = 6; |
| | | int decimal = decimals(); |
| | | BigInteger balanceValue = balanceOfUnDecimal(fromAddress); |
| | | |
| | | double res = new BigDecimal(balanceValue).divide(BigDecimal.valueOf(Math.pow(10, decimal)), 8, RoundingMode.HALF_DOWN).doubleValue(); |