updated ethereum.js

This commit is contained in:
obscuren
2014-12-22 11:57:13 +01:00
parent a153b47c2b
commit e42517754a
26 changed files with 1732 additions and 0 deletions

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<!doctype>
<html>
<head>
<script type="text/javascript" src="js/es6-promise/promise.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.js"></script>
<script type="text/javascript">
var web3 = require('web3');
web3.setProvider(new web3.providers.AutoProvider());
// solidity source code
var source = "" +
"contract test {\n" +
" function multiply(uint a) returns(uint d) {\n" +
" return a * 7;\n" +
" }\n" +
"}\n";
// contract description, this will be autogenerated somehow
var desc = [{
"name": "multiply",
"inputs": [
{
"name": "a",
"type": "uint256"
}
],
"outputs": [
{
"name": "d",
"type": "uint256"
}
]
}];
var contract;
function createExampleContract() {
// hide create button
document.getElementById('create').style.visibility = 'hidden';
document.getElementById('source').innerText = source;
// create contract
web3.eth.transact({code: web3.eth.solidity(source)}).then(function (address) {
contract = web3.contract(address, desc);
document.getElementById('call').style.visibility = 'visible';
});
}
function callExampleContract() {
// this should be generated by ethereum
var param = document.getElementById('value').value;
// call the contract
contract.multiply(param).call().then(function(res) {
document.getElementById('result').innerText = res[0];
});
}
</script>
</head>
<body>
<h1>contract</h1>
<div id="source"></div>
<div id='create'>
<button type="button" onClick="createExampleContract();">create example contract</button>
</div>
<div id='call' style='visibility: hidden;'>
<input type="number" id="value" onkeyup='callExampleContract()'></input>
</div>
<div id="result"></div>
</body>
</html>

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<!doctype>
<html>
<head>
<script type="text/javascript" src="js/es6-promise/promise.min.js"></script>
<script type="text/javascript" src="../dist/ethereum.js"></script>
<script type="text/javascript">
var web3 = require('web3');
web3.setProvider(new web3.providers.AutoProvider());
function watchBalance() {
var coinbase = web3.eth.coinbase;
var originalBalance = 0;
web3.eth.balanceAt(coinbase).then(function (balance) {
originalBalance = web3.toDecimal(balance);
document.getElementById('original').innerText = 'original balance: ' + originalBalance + ' watching...';
});
web3.eth.watch({altered: coinbase}).changed(function() {
web3.eth.balanceAt(coinbase).then(function (balance) {
var currentBalance = web3.toDecimal(balance);
document.getElementById("current").innerText = 'current: ' + currentBalance;
document.getElementById("diff").innerText = 'diff: ' + (currentBalance - originalBalance);
});
});
}
</script>
</head>
<body>
<h1>coinbase balance</h1>
<button type="button" onClick="watchBalance();">watch balance</button>
<div></div>
<div id="original"></div>
<div id="current"></div>
<div id="diff"></div>
</body>
</html>

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#!/usr/bin/env node
require('es6-promise').polyfill();
var web3 = require("../index.js");
web3.setProvider(new web3.providers.HttpRpcProvider('http://localhost:8080'));
web3.eth.coinbase.then(function(result){
console.log(result);
return web3.eth.balanceAt(result);
}).then(function(balance){
console.log(web3.toDecimal(balance));
}).catch(function(err){
console.log(err);
});