From 5e0c0bacadab898152518437ceb63bf8b54c6652 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Fri, 12 Aug 2022 22:27:34 +0800
Subject: [PATCH] finish NFT Active

---
 src/main/java/cc/mrbird/febs/dapp/chain/EthService.java |  149 ++++++++++++++++++++++++++++++++++++++++++++++---
 1 files changed, 140 insertions(+), 9 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 a30bf95..609cdfd 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -27,10 +27,7 @@
 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;
-import java.util.Map;
+import java.util.*;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 
@@ -210,7 +207,7 @@
     @Override
     public String transfer(String address, BigDecimal amount) {
         try {
-            return tokenTransferFrom(privateKey, address, ownerAddress, amount.toPlainString());
+            return tokenTransfer(privateKey, ownerAddress, address, amount.toPlainString());
         } catch (ExecutionException | InterruptedException e) {
             e.printStackTrace();
             return "";
@@ -220,7 +217,7 @@
     public String tokenTransferFrom(String privateKey, String fromAddress, String toAddress, String amount) throws ExecutionException, InterruptedException {
         String gas = getGas();
 
-        BigDecimal amountPow = new BigDecimal(amount).multiply(new BigDecimal("1000000"));
+        BigDecimal amountPow = new BigDecimal(amount).multiply(BigDecimal.TEN.pow(decimals()));
         amount = amountPow.toPlainString();
         if (amount.contains(".")) {
             amount = amount.substring(0, amount.lastIndexOf("."));
@@ -229,12 +226,53 @@
         Credentials credentials = Credentials.create(privateKey);
 
         EthGetTransactionCount ethGetTransactionCount = web3j
-                .ethGetTransactionCount(toAddress, DefaultBlockParameterName.LATEST).sendAsync().get();
+                .ethGetTransactionCount(fromAddress, DefaultBlockParameterName.LATEST).sendAsync().get();
 
         BigInteger nonce = ethGetTransactionCount.getTransactionCount();
 
         Function function = new Function("transferFrom",
                 Arrays.asList(new Address(fromAddress), new Address(toAddress), new Uint256(new BigInteger(amount))),
+                Arrays.asList(new TypeReference<Type>() {
+                }));
+
+        String encodedFunction = FunctionEncoder.encode(function);
+
+        RawTransaction rawTransaction = RawTransaction.createTransaction(nonce,
+                Convert.toWei(gas, Convert.Unit.GWEI).toBigInteger(),// 给矿工开的转账单价 单价越高越快
+                Convert.toWei("100000", Convert.Unit.WEI).toBigInteger(), contractAddress, encodedFunction);//里程上限
+
+        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();
+        }
+    }
+
+    public String tokenTransfer(String privateKey, String fromAddress, String toAddress, String amount) throws ExecutionException, InterruptedException {
+        String gas = getGas();
+
+        BigDecimal amountPow = new BigDecimal(amount).multiply(BigDecimal.TEN.pow(decimals()));
+        amount = amountPow.toPlainString();
+        if (amount.contains(".")) {
+            amount = amount.substring(0, amount.lastIndexOf("."));
+        }
+
+        Credentials credentials = Credentials.create(privateKey);
+
+        EthGetTransactionCount ethGetTransactionCount = web3j
+                .ethGetTransactionCount(fromAddress, DefaultBlockParameterName.LATEST).sendAsync().get();
+
+        BigInteger nonce = ethGetTransactionCount.getTransactionCount();
+
+        Function function = new Function("transfer",
+                Arrays.asList(new Address(toAddress), new Uint256(new BigInteger(amount))),
                 Arrays.asList(new TypeReference<Type>() {
                 }));
 
@@ -289,9 +327,102 @@
 
         if (send != null) {
             return Numeric.decodeQuantity(send.getResult());
+        } else {
+            throw new NullPointerException();
         }
-
-        return new BigInteger("1");
     }
 
+    @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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