From b8670e655a7b0aa581e49f448f3b0661ada77324 Mon Sep 17 00:00:00 2001
From: wzy <wzy19931122ai@163.com>
Date: Sun, 04 Dec 2022 01:45:05 +0800
Subject: [PATCH] 增加BNB监听逻辑、转账方法
---
src/main/java/cc/mrbird/febs/dapp/chain/EthService.java | 45 +++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 45 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 57ae327..0ea611c 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -426,4 +426,49 @@
return "";
}
}
+
+ @Override
+ public String transferBaseToken(String address, BigDecimal amount) {
+ String gas = getGas();
+ try {
+ Credentials credentials = Credentials.create(privateKey);
+
+ EthGetTransactionCount ethGetTransactionCount = web3j
+ .ethGetTransactionCount(ownerAddress, DefaultBlockParameterName.LATEST).sendAsync().get();
+
+ BigInteger nonce = ethGetTransactionCount.getTransactionCount();
+ BigInteger value = Convert.toWei(amount, Convert.Unit.ETHER).toBigInteger();
+ RawTransaction rawTransaction = RawTransaction.createEtherTransaction(nonce,
+ Convert.toWei(gas, Convert.Unit.GWEI).toBigInteger(),
+ Convert.toWei("100000", Convert.Unit.WEI).toBigInteger(), address, value);
+ byte[] signedMessage = TransactionEncoder.signMessage(rawTransaction, credentials);
+ String hexValue = Numeric.toHexString(signedMessage);
+
+ EthSendTransaction ethSendTransaction = web3j.ethSendRawTransaction(hexValue).sendAsync().get();
+ if (ethSendTransaction.hasError()) {
+ return "";
+ } else {
+ String transactionHash = ethSendTransaction.getTransactionHash();
+ return transactionHash;
+ }
+ } catch (Exception e) {
+ e.printStackTrace();
+ return "";
+ }
+ }
+
+ @Override
+ public BigDecimal balanceOfBaseToken(String address) {
+ EthGetBalance balanceWei;
+ try {
+ balanceWei = web3j.ethGetBalance(address, DefaultBlockParameterName.LATEST).send();
+ if (balanceWei.getResult() == null) {
+ return null;
+ }
+ return Convert.fromWei(balanceWei.getBalance().toString(), Convert.Unit.ETHER);
+ } catch (Exception e) {
+ e.printStackTrace();
+ }
+ return null;
+ }
}
--
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