From a0a74747c9e486b700cf866250fbb64cbc73bc14 Mon Sep 17 00:00:00 2001
From: wzy <wzy19931122ai@163.com>
Date: Sat, 27 Aug 2022 16:07:35 +0800
Subject: [PATCH] fix
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 68 +++++++++++++++++++++++++++++++++-
1 files changed, 66 insertions(+), 2 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 d6e8e84..204202e 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;
@@ -362,6 +364,35 @@
}
@Override
+ 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();
@@ -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();
@@ -396,4 +427,37 @@
return "";
}
}
+
+ @Override
+ public String ownerOfNft(Integer index) {
+ try {
+ String methodName = "ownerOf";
+ List<Type> inputParameters = new ArrayList<>();
+ List<TypeReference<?>> outputParameters = new ArrayList<>();
+ Uint256 uint256 = new Uint256(index);
+ inputParameters.add(uint256);
+ TypeReference<Address> typeReference = new TypeReference<Address>() {
+ };
+ outputParameters.add(typeReference);
+ Function function = new Function(methodName, inputParameters, outputParameters);
+ String data = FunctionEncoder.encode(function);
+ Transaction transaction = Transaction.createEthCallTransaction(null, contractAddress, data);
+
+ EthCall ethCall;
+ String address = "";
+ try {
+ ethCall = web3j.ethCall(transaction, DefaultBlockParameterName.LATEST).send();
+ List<Type> results = FunctionReturnDecoder.decode(ethCall.getValue(), function.getOutputParameters());
+ address = (String) results.get(0).getValue();
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+
+ return address;
+
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return "";
+ }
}
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