From c62c27263103dc5fbeea549d333431b758340166 Mon Sep 17 00:00:00 2001 From: Helius <wangdoubleone@gmail.com> Date: Wed, 25 May 2022 16:23:07 +0800 Subject: [PATCH] fix --- src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++---- 1 files changed, 54 insertions(+), 4 deletions(-) diff --git a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java index 47e31b9..c616545 100644 --- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java +++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java @@ -1,5 +1,6 @@ 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; @@ -16,7 +17,9 @@ import org.web3j.crypto.TransactionEncoder; 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.EthBlockNumber; import org.web3j.protocol.core.methods.response.EthCall; import org.web3j.protocol.core.methods.response.EthGetTransactionCount; import org.web3j.protocol.core.methods.response.EthSendTransaction; @@ -57,6 +60,15 @@ 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"); + } + @Override public BigInteger balanceOfUnDecimal(String fromAddress) { try { @@ -91,8 +103,39 @@ } @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(); @@ -135,9 +178,16 @@ } public String getGas() { - String resp = HttpUtil.get("https://etherscan.io/autoUpdateGasTracker.ashx?sid=75f30b765180f29e2b7584b8501c9124"); - JSONObject data = JSONObject.parseObject(resp); - String gas = data.getString("avgPrice"); + String gas; + if (url.contains("infura.io")) { + String resp = HttpUtil.get("https://etherscan.io/autoUpdateGasTracker.ashx?sid=75f30b765180f29e2b7584b8501c9124"); + JSONObject data = JSONObject.parseObject(resp); + gas = data.getString("avgPrice"); + } else { + String resp = HttpUtil.get("https://gbsc.blockscan.com/gasapi.ashx?apikey=key&method=gasoracle"); + JSONObject data = JSONObject.parseObject(resp); + gas = data.getString("FastGasPrice"); + } return StrUtil.isBlank(gas) ? "35" : gas; } -- Gitblit v1.9.1