From 3ef39829da75db361716954c5a0f72e05cc2b6a9 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Fri, 27 May 2022 09:55:20 +0800
Subject: [PATCH] complete connect
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 80 ++++++++++++++++++++++++++++++++++-----
1 files changed, 69 insertions(+), 11 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..c3ef26a 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -1,9 +1,10 @@
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;
@@ -11,15 +12,12 @@
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;
@@ -28,6 +26,7 @@
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;
@@ -55,6 +54,27 @@
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
@@ -91,8 +111,39 @@
}
@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 +186,16 @@
}
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;
}
--
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