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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<meta name="description" content="Binance Smart Chain Testnet Faucet for Ethereum">
<meta name="author" content="Khiem Nguyen Huynh Huu">
<link rel="canonical" href="https://getbootstrap.com/docs/3.3/examples/navbar/">
<title>BinanceTest Faucet</title>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
<style>
body {
padding-top: 70px;
padding-bottom: 30px;
}
.theme-dropdown .dropdown-menu {
position: static;
display: block;
margin-bottom: 20px;
}
.theme-showcase > p > .btn {
margin: 5px 0;
}
.theme-showcase .navbar .container {
width: auto;
}
</style>
</head>
<body>
<div class="container theme-showcase" role="main">
<div class="jumbotron">
<h1>BinanceTest Faucet</h1>
<p>You can withdraw Ether from this Faucet. Make sure to connect your wallet and switch to the Binance Smart Chain Testnet.</p>
<p>
<a class="btn btn-lg btn-primary" role="button" onclick="requestEther()">Request Ether</a>
<a class="btn btn-lg btn-success" role="button" onclick="donateEther()">Donate Ether</a>
</p>
</div>
<div class="page-header"><h2>Faucet Data</h2></div>
<div>
<h3>Contract Address: <a href="https://testnet.bscscan.com/address/0xA9e646BCd0f102c23275BEBC092d935D9aE10759" target="_blank">0xA9e646BCd0f102c23275BEBC092d935D9aE10759</a></h3>
<h3 id="balance">Available Funds: (loading ...)</h3>
<h3 id="tx_result" class="text-info"></h3>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.12.4/jquery.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js" integrity="sha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/web3.min.js" crossorigin="anonymous"></script>
<script>
const contract_address = '0xA9e646BCd0f102c23275BEBC092d935D9aE10759'
const contract_abi = [
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "from",
"type": "address"
},
{
"indexed": false,
"internalType": "uint256",
"name": "amount",
"type": "uint256"
}
],
"name": "Deposit",
"type": "event"
},
{
"inputs": [],
"name": "destroy",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "previousOwner",
"type": "address"
},
{
"indexed": true,
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "OwnershipTransferred",
"type": "event"
},
{
"inputs": [],
"name": "renounceOwnership",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [
{
"internalType": "address",
"name": "newOwner",
"type": "address"
}
],
"name": "transferOwnership",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"inputs": [],
"name": "withdraw",
"outputs": [],
"stateMutability": "nonpayable",
"type": "function"
},
{
"anonymous": false,
"inputs": [
{
"indexed": true,
"internalType": "address",
"name": "to",
"type": "address"
}
],
"name": "Withdrawal",
"type": "event"
},
{
"stateMutability": "payable",
"type": "receive"
},
{
"inputs": [],
"name": "owner",
"outputs": [
{
"internalType": "address",
"name": "",
"type": "address"
}
],
"stateMutability": "view",
"type": "function"
}
]
window.addEventListener('load', function () {
if (typeof web3 !== 'undefined') {
web3 = new Web3(window.ethereum)
} else {
web3 = new Web3(new Web3.providers.HttpProvider('https://data-seed-prebsc-1-s1.binance.org:8545/'));
}
new Promise((resolve, reject) => {
window.ethereum.enable();
resolve();
}).then(() =>{
getBalance();
});
})
function requestEther(){
new Promise((resolve, reject) => {
getAccounts(function(result) {
const Faucet = new web3.eth.Contract(contract_abi, contract_address);
Faucet.methods.withdraw().send({from:result[0]},function (error, result){
if(!error){
document.getElementById("tx_result").innerHTML = "TX created successfully with the hash: " + result;
}else{
document.getElementById("tx_result").innerHTML = error;
}
});
});
resolve();
});
}
function donateEther(){
var amount = prompt("How much Ether do you want to donate?", "0.5");
if(isNaN(parseInt(amount))){
document.getElementById("tx_result").innerHTML = "Error: Please input a valid number";
}else{
new Promise((resolve) => {
getAccounts(function (result) {
web3.eth.sendTransaction(
{
from: result[0],
to: contract_address,
value: web3.utils.toWei(amount, 'ether')
}, function(err, transactionHash) {
if (!err)
document.getElementById("tx_result").innerHTML = "TX created successfully with the hash: " + transactionHash;
});
});
});
}
}
function getAccounts(callback) {
web3.eth.getAccounts((error,result) => {
if (error) {
console.log(error);
} else {
callback(result);
}
});
}
function getBalance() {
try {
web3.eth.getBalance(contract_address, function (error, wei) {
if (!error) {
var balance = web3.utils.fromWei(wei, 'ether');
document.getElementById("balance").innerHTML = "Available Funds: " + balance + " Ether";
}
});
} catch (err) {
document.getElementById("balance").innerHTML = err;
}
}
</script>
</body>
</html>