From b507b7d1f2501eb1c6202f89b5c8681f88cbbdf1 Mon Sep 17 00:00:00 2001
From: wzy <wzy19931122ai@163.com>
Date: Fri, 26 Aug 2022 20:10:02 +0800
Subject: [PATCH] fix
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 37 ++++++++++++++++++++++++++++++++++---
1 files changed, 34 insertions(+), 3 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 02acaf2..59e777d 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -4,6 +4,7 @@
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSONObject;
+import lombok.extern.slf4j.Slf4j;
import org.bouncycastle.jcajce.provider.digest.SHA3;
import org.web3j.abi.FunctionEncoder;
import org.web3j.abi.FunctionReturnDecoder;
@@ -35,6 +36,7 @@
* @author wzy
* @date 2022-04-15
**/
+@Slf4j
public class EthService implements ContractChainService {
private Web3j web3j;
@@ -362,7 +364,36 @@
}
@Override
- public BigInteger safeMintNFT(String toAddress) {
+ public BigInteger totalSupplyNFT() {
+ try {
+ String methodName = "totalSupply";
+ 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 totalSupply = BigInteger.ZERO;
+ try {
+ ethCall = web3j.ethCall(transaction, DefaultBlockParameterName.LATEST).send();
+ List<Type> results = FunctionReturnDecoder.decode(ethCall.getValue(), function.getOutputParameters());
+ totalSupply = (BigInteger) results.get(0).getValue();
+ return totalSupply;
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return BigInteger.ZERO;
+ }
+
+ @Override
+ public String safeMintNFT(String toAddress) {
String gas = getGas();
try {
@@ -378,15 +409,15 @@
String encodedFunction = FunctionEncoder.encode(function);
RawTransaction rawTransaction = RawTransaction.createTransaction(nonce,
Convert.toWei(gas, Convert.Unit.GWEI).toBigInteger(),
- Convert.toWei("1000000", Convert.Unit.WEI).toBigInteger(), contractAddress, encodedFunction);
+ Convert.toWei("500000", Convert.Unit.WEI).toBigInteger(), contractAddress, encodedFunction);
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Numeric.toHexString(signedMessage);
CompletableFuture<EthSendTransaction> ethSendTransactionCompletableFuture = web3j.ethSendRawTransaction(hexValue).sendAsync();
EthSendTransaction ethSendTransaction = ethSendTransactionCompletableFuture.get();
-
if (ethSendTransaction.hasError()) {
+ log.info("card:{}", JSONObject.toJSONString(ethSendTransaction));
return "";
} else {
return ethSendTransaction.getTransactionHash();
--
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