From ea83581a21f9085a8cc826877b28b50c93c91d2a Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Wed, 25 May 2022 10:37:43 +0800
Subject: [PATCH] fix
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 45 ++++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 44 insertions(+), 1 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 45f7e92..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();
--
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