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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8"> | |
<meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
<meta http-equiv="X-UA-Compatible" content="ie=edge"> | |
<title>Coursetro Smart Contract</title> | |
<link rel="stylesheet" type="text/css" href="main.css"> | |
<script src="./node_modules/web3/dist/web3.min.js"></script> | |
</head> | |
<body> | |
<div class="container"> | |
<h1>Coursetro Instructor</h1> | |
<p>Owner address: <span id="owner"></span> | |
</p> | |
<h2 id="instructor"></h2> | |
<label for="name" class="col-lg-2 control-label">Instructor Name</label> | |
<input id="name" type="text"> | |
<label for="name" class="col-lg-2 control-label">Instructor Age</label> | |
<input id="age" type="text"> | |
<button id="button">Update Instructor</button> | |
</div> | |
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js"></script> | |
<script> | |
if (typeof web3 !== 'undefined') { | |
web3 = new Web3(web3.currentProvider); | |
} else { | |
web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545")); | |
} | |
web3.eth.defaultAccount = web3.eth.accounts[0]; | |
var CoursetroContract = web3.eth.contract([{"constant":false,"inputs":[{"name":"_fName","type":"string"},{"name":"_age","type":"uint256"}],"name":"setInstructor","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getInstructor","outputs":[{"name":"","type":"string"},{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"}]); | |
var Coursetro = CoursetroContract.at('0x418d9e04535d981f13f63c8660c68b0b728c3ffe'); | |
Coursetro.getInstructor(function(error, result) { | |
if (!error) { | |
$("#instructor").html(result[0]+' ('+result[1]+' years old)'); | |
} else | |
console.log(error); | |
}); | |
$("#button").click(function() { | |
Coursetro.setInstructor($("#name").val(), $("#age").val()); | |
}); | |
</script> | |
</body> | |
</html> |
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