forked from cerc-io/plugeth
event_inc example
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example/event_inc.html
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66
example/event_inc.html
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<!doctype>
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<html>
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<head>
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<script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script>
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<script type="text/javascript" src="../dist/ethereum.js"></script>
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<script type="text/javascript">
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var web3 = require('web3');
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web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080'));
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var source = "" +
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"contract Contract { " +
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" event Incremented(bool indexed odd, uint x); " +
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" function Contract() { " +
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" x = 69; " +
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" } " +
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" function inc() { " +
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" ++x; " +
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" Incremented(x % 2 == 1, x); " +
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" } " +
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" uint x; " +
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"}";
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var desc = [{
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"type":"event",
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"name":"Incremented",
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"inputs": [{"name":"odd","type":"bool","indexed":true},{"name":"x","type":"uint","indexed":false}],
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}, {
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"type":"function",
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"name":"inc",
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"inputs": [],
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"outputs": []
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}];
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var address;
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var contract;
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var update = function (x) {
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document.getElementById('result').innerText = JSON.stringify(x);
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};
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var createContract = function () {
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address = web3.eth.transact({code: web3.eth.solidity(source)});
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contract = web3.eth.contract(address, desc);
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contract.Incremented({odd: true}).changed(update);
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};
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var callContract = function () {
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contract.call().inc();
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};
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</script>
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</head>
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<body>
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<div>
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<button type="button" onClick="createContract();">create contract</button>
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</div>
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<div>
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<button type="button" onClick="callContract();">test1</button>
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</div>
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<div id="result">
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</div>
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</body>
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</html>
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