From 8f720d592d6ea2229cac4c051828af39f8425325 Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Mon, 03 Jun 2024 11:45:00 +0800
Subject: [PATCH] 批量转账

---
 src/main/java/cc/mrbird/febs/dapp/chain/EthService.java |  106 +++++++++++++++++++++++++++++++++++++++++++++++++----
 1 files changed, 98 insertions(+), 8 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 7068d3b..c2f1a6a 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -1,10 +1,9 @@
 package cc.mrbird.febs.dapp.chain;
 
-import cn.hutool.core.util.HexUtil;
+import cc.mrbird.febs.dapp.dto.BatchTransferDto;
 import cn.hutool.core.util.StrUtil;
 import cn.hutool.http.HttpUtil;
 import com.alibaba.fastjson.JSONObject;
-import org.bouncycastle.jcajce.provider.digest.SHA3;
 import org.web3j.abi.FunctionEncoder;
 import org.web3j.abi.FunctionReturnDecoder;
 import org.web3j.abi.TypeReference;
@@ -12,12 +11,17 @@
 import org.web3j.abi.datatypes.Function;
 import org.web3j.abi.datatypes.Type;
 import org.web3j.abi.datatypes.generated.Uint256;
-import org.web3j.crypto.*;
+import org.web3j.crypto.Credentials;
+import org.web3j.crypto.RawTransaction;
+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.*;
+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;
 import org.web3j.protocol.http.HttpService;
 import org.web3j.utils.Convert;
 import org.web3j.utils.Numeric;
@@ -26,8 +30,9 @@
 import java.math.BigDecimal;
 import java.math.BigInteger;
 import java.math.RoundingMode;
-import java.nio.charset.StandardCharsets;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutionException;
 
@@ -180,8 +185,8 @@
         /**
          * todo 修改了
          */
-//        int decimal = decimals();
-        int decimal = 8;
+        int decimal = decimals();
+//        int decimal = 8;
         double res = new BigDecimal(decimals).divide(BigDecimal.valueOf(Math.pow(10, decimal)), 8, RoundingMode.HALF_DOWN).doubleValue();
         if (res > 0) {
             return new BigDecimal(res);
@@ -249,6 +254,54 @@
         } catch (ExecutionException | InterruptedException e) {
             e.printStackTrace();
             return "";
+        }
+    }
+
+    @Override
+    public void transferList(List<BatchTransferDto> batchTransferDtos){
+        String gas = getGas();
+        Credentials credentials = Credentials.create(privateKey);
+        BigInteger nonce = null;
+        try {
+            nonce = web3j.ethGetTransactionCount(credentials.getAddress(), DefaultBlockParameterName.LATEST).send().getTransactionCount();
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+
+        for(BatchTransferDto batchTransferDto : batchTransferDtos){
+
+            String amount = batchTransferDto.getAmount().toPlainString();
+            String toAddress = batchTransferDto.getToAddress();
+
+            BigDecimal amountPow = new BigDecimal(amount).multiply(BigDecimal.TEN.pow(decimals()));
+            amount = amountPow.toPlainString();
+            if (amount.contains(".")) {
+                amount = amount.substring(0, amount.lastIndexOf("."));
+            }
+
+            Function function = new Function("transfer",
+                    Arrays.asList(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();
+            try {
+                EthSendTransaction ethSendTransaction = ethSendTransactionCompletableFuture.get();
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+            } catch (ExecutionException e) {
+                e.printStackTrace();
+            }
+            nonce = nonce.add(BigInteger.ONE);
         }
     }
 
@@ -334,6 +387,43 @@
         }
     }
 
+
+    public void batchTransfer(List<BatchTransferDto> batchTransferDtos) throws Exception {
+        String gas = getGas();
+        Credentials credentials = Credentials.create(privateKey);
+        BigInteger nonce = web3j.ethGetTransactionCount(credentials.getAddress(), DefaultBlockParameterName.LATEST).send().getTransactionCount();
+
+        for(BatchTransferDto batchTransferDto : batchTransferDtos){
+
+            String amount = batchTransferDto.getAmount().toPlainString();
+            String toAddress = batchTransferDto.getToAddress();
+
+            BigDecimal amountPow = new BigDecimal(amount).multiply(BigDecimal.TEN.pow(decimals()));
+            amount = amountPow.toPlainString();
+            if (amount.contains(".")) {
+                amount = amount.substring(0, amount.lastIndexOf("."));
+            }
+
+            Function function = new Function("transfer",
+                    Arrays.asList(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();
+            nonce = nonce.add(BigInteger.ONE);
+        }
+    }
+
     @Override
     public int allowanceCnt(String address) {
         String allowanceUrl;

--
Gitblit v1.9.1