From 424ad35dcd1fafb51a0ba77523b11e6871f2858c Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Thu, 06 Jun 2024 11:36:25 +0800
Subject: [PATCH] 购买节点
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 93 ++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 93 insertions(+), 0 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 1b043f1..609cdfd 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -332,4 +332,97 @@
}
}
+ @Override
+ public BigInteger totalSupply() {
+ 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.divide(BigInteger.TEN.pow(decimals()));
+ } catch (IOException e) {
+ e.printStackTrace();
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return BigInteger.ZERO;
+ }
+
+ @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();
+
+ try {
+ Credentials credentials = Credentials.create(privateKey);
+ EthGetTransactionCount ethGetTransactionCount = web3j
+ .ethGetTransactionCount(ownerAddress, DefaultBlockParameterName.LATEST).sendAsync().get();
+ BigInteger nonce = ethGetTransactionCount.getTransactionCount();
+ Function function = new Function("safeMint",
+ Arrays.asList(new Address(toAddress)),
+ Arrays.asList(new TypeReference<Type>() {
+ }));
+
+ 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);
+
+ 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()) {
+ return "";
+ } else {
+ return ethSendTransaction.getTransactionHash();
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ return "";
+ }
+ }
}
--
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