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<html>
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<head>
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<meta charset="utf-8">
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<meta http-equiv="X-UA-Compatible" content="chrome=1">
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<title>Solidity realtime compiler and runtime</title>
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<link rel="stylesheet" href="stylesheets/styles.css">
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<link rel="stylesheet" href="stylesheets/pygment_trac.css">
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<meta name="viewport" content="width=device-width, initial-scale=1, user-scalable=no">
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<style type="text/css">
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body {
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padding: 0px;
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font-size: 12px;
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color: #111111;
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}
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#solIcon {
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top: -10px;
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right: -60px;
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position: absolute;
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height: 100px;
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}
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#optimizeBox {
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position: absolute;
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top: 30px;
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left: 720px;
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font-size: 14px;
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}
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#input {
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position: absolute;
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top: 120px;
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left: 0px;
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width: 700px;
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bottom: 0px;
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font-size: 15px;
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}
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#output {
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position: absolute;
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top: 120px;
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left: 720px;
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right: 10px;
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bottom: 0px;
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font-size: 14px;
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overflow: auto;
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}
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#header {
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margin-bottom: 4px;
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}
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.col1 {
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width: 18ex;
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display: inline-block;
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}
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.col2 {
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width: 60ex;
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}
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.runButton {
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width: 30ex;
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text-align: left;
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overflow: hidden;
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}
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</style>
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<script src="libs/jquery-2.1.3.min.js"></script>
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<script src="libs/ace.js"></script>
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<script src="mode-solidity.js"></script>
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<script src="soljson.js"></script>
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<script src="ethereumjs-vm.js"></script>
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<script src="web3.min.js"></script>
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</head>
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<body>
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<img id="solIcon" src="solidity.svg"/>
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<h1 id="header">Solidity realtime compiler and runtime</h1>
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Version: <span id="version">(loading)</span><br/>
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Execution environment does not connect to any node, everyhing is in-memory only.<br/>
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<b>Note:</b> If Chrome/Chromium reports "Uncaught JavaScript Exception",
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enable the debug console (Ctrl+Shift+i) and reload.
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<div id="optimizeBox">
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<input id="optimize" type="checkbox"><label for="optimize">optimize</label>
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</div>
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<div id="input">contract Ballot {
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struct Voter {
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uint weight;
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bool voted;
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uint8 vote;
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address delegate;
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}
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struct Proposal {
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uint voteCount;
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}
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address chairperson;
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mapping(address => Voter) voters;
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Proposal[] proposals;
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// Create a new ballot with $(_numProposals) different proposals.
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function Ballot(uint8 _numProposals) {
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chairperson = msg.sender;
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voters[chairperson].weight = 1;
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proposals.length = _numProposals;
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}
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// Give $(voter) the right to vote on this ballot.
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// May only be called by $(chairperson).
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function giveRightToVote(address voter) {
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if (msg.sender != chairperson || voters[voter].voted) return;
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voters[voter].weight = 1;
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}
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// Delegate your vote to the voter $(to).
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function delegate(address to) {
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Voter sender = voters[msg.sender]; // assigns reference
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if (sender.voted) return;
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while (voters[to].delegate != address(0) && voters[to].delegate != msg.sender)
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to = voters[to].delegate;
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if (to == msg.sender) return;
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sender.voted = true;
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sender.delegate = to;
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Voter delegate = voters[to];
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if (delegate.voted)
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proposals[delegate.vote].voteCount += sender.weight;
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else
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delegate.weight += sender.weight;
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}
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// Give a single vote to proposal $(proposal).
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function vote(uint8 proposal) {
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Voter sender = voters[msg.sender];
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if (sender.voted || proposal >= proposals.length) return;
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sender.voted = true;
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sender.vote = proposal;
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proposals[proposal].voteCount += sender.weight;
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}
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function winningProposal() constant returns (uint8 winningProposal) {
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uint256 winningVoteCount = 0;
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for (uint8 proposal = 0; proposal < proposals.length; proposal++) {
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if (proposals[proposal].voteCount > winningVoteCount) {
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winningVoteCount = proposals[proposal].voteCount;
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winningProposal = proposal;
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}
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++proposal;
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}
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}
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}
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</div>
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<div id="output"></div>
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<div style="height: 100px;"></div>
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<p><small>Theme by <a href="https://github.com/orderedlist">orderedlist</a></small></p>
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<script>
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// ----------------- editor ----------------------
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var editor = ace.edit("input");
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editor.setTheme("ace/theme/monokai");
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editor.getSession().setMode("ace/mode/javascript");
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editor.getSession().setTabSize(4);
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editor.getSession().setUseSoftTabs(true);
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// ----------------- compiler ----------------------
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var compileJSON = Module.cwrap("compileJSON", "string", ["string", "number"]);
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var ready = false;
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Module['onRuntimeInitialized'] = function() {
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ready = true;
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$('#version').text(Module.cwrap("version", "string", [])());
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onChange();
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};
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var previousInput = '';
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var compile = function() {
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if (!ready)
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return;
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var input = editor.getValue();
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var optimize = document.querySelector('#optimize').checked;
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try {
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var data = $.parseJSON(compileJSON(input, optimize ? 1 : 0));
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} catch (exception) {
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renderError("Uncaught JavaScript Exception:\n" + exception);
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return;
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}
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if (data['error'] !== undefined)
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renderError(data['error']);
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else
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renderContracts(data, input);
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}
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var compileTimeout = null;
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var onChange = function() {
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if (!ready)
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return;
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var input = editor.getValue();
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if (input == previousInput)
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return;
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previousInput = input;
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if (compileTimeout) window.clearTimeout(compileTimeout);
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compileTimeout = window.setTimeout(compile, 300);
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};
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editor.getSession().on('change', onChange);
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document.querySelector('#optimize').addEventListener('change', compile);
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// ----------------- compiler output renderer ----------------------
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var detailsOpen = {};
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var renderError = function(message) {
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$('#output').empty().append($('<pre></pre>').text(message));
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};
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var renderContracts = function(data, source) {
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$('#output').empty();
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for (var contractName in data.contracts) {
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var contract = data.contracts[contractName];
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var contractOutput = $('<div class="contractOutput"/>')
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.append($('<h3/>').text(contractName))
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.append(getExecuteInterface(contract, contractName))
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.append($('<div/>').text((contract.bytecode.length / 2) + ' bytes'))
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.append(tableRow('Bytecode', contract.bytecode))
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.append(tableRow('Interface', contract['interface']))
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.append(tableRow('Solidity Interface', contract.solidity_interface))
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.append(getDetails(contract, source, contractName));
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$('#output').append(contractOutput);
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}
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};
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var tableRow = function(description, data) {
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return $('<div/>')
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.append($('<span class="col1">').text(description))
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.append($('<input readonly="readonly" class="col2">').val(data));
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};
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var getDetails = function(contract, source, contractName) {
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var button = $('<button>Details</button>');
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var details = $('<div style="display: none;"/>')
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.append(tableRow('Opcodes', contract.opcodes));
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var funHashes = '';
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for (var fun in contract.functionHashes)
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funHashes += contract.functionHashes[fun] + ' ' + fun + '\n';
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details.append($('<span class="col1">Functions</span>'));
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details.append($('<pre/>').text(funHashes));
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details.append($('<span class="col1">Gas Estimates</span>'));
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details.append($('<pre/>').text(formatGasEstimates(contract.gasEstimates)));
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details.append($('<span class="col1">Assembly</span>'));
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var assembly = $('<pre/>').text(formatAssemblyText(contract.assembly, '', source));
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details.append(assembly);
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button.click(function() { detailsOpen[contractName] = !detailsOpen[contractName]; details.toggle(); });
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if (detailsOpen[contractName])
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details.show();
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return $('<div/>').append(button).append(details);
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};
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var formatGasEstimates = function(data) {
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var gasToText = function(g) { return g === null ? 'unknown' : g; }
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var text = '';
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if ('creation' in data)
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text += 'Creation: ' + gasToText(data.creation[0]) + ' + ' + gasToText(data.creation[1]) + '\n';
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text += 'External:\n';
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for (var fun in data.external)
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text += ' ' + fun + ': ' + gasToText(data.external[fun]) + '\n';
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text += 'Internal:\n';
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for (var fun in data.internal)
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text += ' ' + fun + ': ' + gasToText(data.internal[fun]) + '\n';
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return text;
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};
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var formatAssemblyText = function(asm, prefix, source) {
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var text = '';
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text += prefix + '.code\n';
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$.each(asm['.code'], function(i, item) {
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var v = item.value === undefined ? '' : item.value;
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var src = '';
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if (item.begin !== undefined && item.end != undefined)
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src = source.slice(item.begin, item.end).replace('\n', '\\n', 'g');
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if (src.length > 30)
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src = src.slice(0, 30) + '...';
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if (item.name != 'tag')
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text += ' ';
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text += prefix + item.name + ' ' + v + '\t\t\t' + src + '\n';
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});
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text += prefix + '.data\n';
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if (asm['.data'])
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$.each(asm['.data'], function(i, item) {
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text += ' ' + prefix + '' + i + ':\n';
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text += formatAssemblyText(item, prefix + ' ', source);
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});
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return text;
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};
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$('.asmOutput button').click(function() {$(this).parent().find('pre').toggle(); } )
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// ----------------- VM ----------------------
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var stateTrie = new EthVm.Trie();
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var vm = new EthVm.VM(stateTrie);
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//@todo this does not calculate the gas costs correctly but gets the job done.
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var identityCode = 'return { gasUsed: 1, return: opts.data, exception: 1 };';
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var identityAddr = ethUtil.pad(new Buffer('04', 'hex'), 20)
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vm.loadPrecompiled(identityAddr, identityCode, function() { console.log(arguments); });
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var secretKey = '3cd7232cd6f3fc66a57a6bedc1a8ed6c228fff0a327e169c2bcc5e869ed49511'
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var publicKey = '0406cc661590d48ee972944b35ad13ff03c7876eae3fd191e8a2f77311b0a3c6613407b5005e63d7d8d76b89d5f900cde691497688bb281e07a5052ff61edebdc0'
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var address = ethUtil.pubToAddress(new Buffer(publicKey, 'hex'));
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var account = new EthVm.Account();
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account.balance = 'f00000000000000001';
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var nonce = 0;
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stateTrie.put(address, account.serialize());
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var runTx = function(data, to, cb) {
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var tx = new EthVm.Transaction({
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|
|
nonce: new Buffer([nonce++]), //@todo count beyond 255
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|
|
gasPrice: '01',
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|
|
gasLimit: '3000000',
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to: to,
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data: data
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});
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tx.sign(new Buffer(secretKey, 'hex'));
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vm.runTx({tx: tx}, cb);
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};
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var getConstructorInterface = function(abi) {
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|
var funABI = {'name':'','inputs':[],'type':'constructor','outputs':[]};
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|
for (var i = 0; i < abi.length; i++)
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|
|
if (abi[i].type == 'constructor') {
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|
funABI.inputs = abi[i].inputs || [];
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|
|
break;
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}
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|
return funABI;
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};
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|
var getCallButton = function(args) {
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// args.abi, args.bytecode [constr only], args.address [fun only]
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// args.appendFunctions [constr only]
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var isConstructor = args.bytecode !== undefined;
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var fun = new web3.eth.function(args.abi);
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var inputs = '';
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$.each(args.abi.inputs, function(i, inp) {
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if (inputs != '') inputs += ', ';
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inputs += inp.type + ' ' + inp.name;
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});
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var inputField = $('<input/>').attr('placeholder', inputs);
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var outputSpan = $('<div/>');
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var button = $('<button/>')
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.text(args.bytecode ? 'Create' : fun.displayName())
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.click(function() {
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var funArgs = $.parseJSON('[' + inputField.val() + ']');
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var data = fun.toPayload(funArgs).data;
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if (data.slice(0, 2) == '0x') data = data.slice(2);
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if (isConstructor)
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data = args.bytecode + data.slice(8);
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outputSpan.text(' ...');
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runTx(data, args.address, function(err, result) {
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if (err)
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outputSpan.text(err);
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else if (isConstructor) {
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outputSpan.text(' Creation used ' + result.vm.gasUsed.toString(10) + ' gas.');
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args.appendFunctions(result.createdAddress);
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} else {
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var outputObj = fun.unpackOutput('0x' + result.vm.return.toString('hex'));
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outputSpan.text(' Returned: ' + JSON.stringify(outputObj));
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}
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});
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});
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if (!isConstructor)
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button.addClass('runButton');
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var c = $('<div/>')
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.append(button);
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if (args.abi.inputs.length > 0)
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c.append(inputField);
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return c.append(outputSpan);
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};
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var getExecuteInterface = function(contract, name) {
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var abi = $.parseJSON(contract.interface);
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var execInter = $('<div/>');
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var funABI = getConstructorInterface(abi);
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var appendFunctions = function(address) {
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var instance = $('<div/>');
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instance.append($('<span/>').text('Contract at address ' + address.toString('hex')));
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$.each(abi, function(i, funABI) {
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if (funABI.type != 'function') return;
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instance.append(getCallButton({
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abi: funABI,
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address: address
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}));
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});
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execInter.append(instance);
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};
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execInter
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.append(getCallButton({
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abi: funABI,
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bytecode: contract.bytecode,
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appendFunctions: appendFunctions
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}));
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return execInter;
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};
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</script>
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</body>
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</html>
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