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index.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="web3.min.js"></script>
<link rel="stylesheet" type="text/css" href="normalize.css">
<link rel="stylesheet" type="text/css" href="skeleton.css">
<title></title>
</head>
<body style="padding: 15px">
<div class="row">
<div class="one-half column">
<h4>Tools</h4>
<div>
Click da' button to deploy contract<br >
<button class="button-primary" onclick="deploy()">Deploy!</button>
</div>
<br >
<div>
<input type="text" placeholder="value to set" id="myValue"> </input> <button onclick="setValue()">Go!</button>
</div>
<br >
<div>
<button onclick="getValue()">Get Value</button><br>
<div id="result">
</div>
</div>
<hr />
<div>
Deploy from Bytecode and Interface:<br >
Bytecode:<br>
<textarea id="bytecode"></textarea>
<br clear="all">
Interface:<br>
<textarea id="interface"></textarea>
<br clear="all">
<button class="button-primary" onclick="deploy()">Deploy from bytecode!</button>
</div>
<hr />
<h5>Prediction game:</h5>
<h6>Pick heads or tails:</h6>
<button onclick="playToss(1)">Pick heads</button> <button onclick="playToss(0)">Pick tails</button>
<br /><br />
<a onclick="viewResult()">View results</a>
</div>
<div class="one-half column">
<h4>Output</h4>
<button onclick="clearOutput()">Clear</button>
<div id="logging">
</div>
</div>
</div>
<script>
var web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
// var web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
// set current provider
/*
if(typeof window.web3 !== "undefined" && typeof window.web3.currentProvider !== "undefined") {
var web3 = new Web3(window.web3.currentProvider);
} else {
var web3 = new Web3(new Web3.providers.HttpProvider("http://10.0.3.174:8545"));
}
*/
var simplestorageContract = web3.eth.contract([{"constant":true,"inputs":[],"name":"getValue","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"value","type":"string"}],"name":"setValue","outputs":[],"type":"function"},{"anonymous":false,"inputs":[{"indexed":false,"name":"oldValue","type":"string"},{"indexed":false,"name":"newValue","type":"string"}],"name":"valueChanged","type":"event"}]);
var bytecode = '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';
logToDiv = function(stuff) {
loggingDiv = document.getElementById('logging');
loggingDiv.innerHTML += stuff + "<br>";
}
function clearOutput() {
document.getElementById('logging').innerHTML = '';
}
function deploy() {
// console.log(web3.isConnected())
var bytecodeFromForm = document.getElementById('bytecode').value;
var interfaceFromForm = document.getElementById('interface').value;
if(!!bytecodeFromForm && !!interfaceFromForm) {
logToDiv("Bytecode:<br>" + bytecodeFromForm);
logToDiv("Interface:<br>" + interfaceFromForm);
// NOTE: Evil eval!
simplestorageContract = web3.eth.contract(eval(interfaceFromForm));
bytecode = bytecodeFromForm;
}
var simplestorage = simplestorageContract.new(
{
from: web3.eth.accounts[0],
data: bytecode,
gas: 4700000
}, function (e, contract){
if (typeof contract.address !== 'undefined') {
logToDiv('Contract mined! address: <br>' + contract.address + '<br> transactionHash: ' + contract.transactionHash);
Address = contract.address;
}
})
}
function setValue() {
var val = document.getElementById('myValue').value;
var Transaction = simplestorageContract.at(Address);
var TxHash = Transaction["setValue"].sendTransaction(val, {from: web3.eth.accounts[0]}, function(err, address) {
logToDiv(address);
})
}
function getValue() {
var p = simplestorageContract.at(Address);
var returnValue = p.getValue().toString();
logToDiv(returnValue);
document.getElementById("result").innerHTML=returnValue;
}
function playToss(choice) {
logToDiv("Using address: <br>" + Address);
Transaction = simplestorageContract.at(Address);
TxHash = Transaction["play"].sendTransaction(parseInt(choice), {from: web3.eth.accounts[0], value: 10}, function(err, address) {
logToDiv(address);
})
/*
TxHash = Transaction["play"].sendTransaction(parseInt(choice), {from: web3.eth.accounts[0]}, function(err, address) {
logToDiv(address);
})
*/
}
function viewResult() {
var returnValue = Transaction.result().toString();
logToDiv(returnValue);
}
</script>
</body>
</html>