2015-02-02 10:52:56 +00:00
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<!doctype>
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<html>
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<head>
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2015-04-07 02:39:47 +00:00
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<script type="text/javascript" src="../dist/web3.js"></script>
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2015-02-02 10:52:56 +00:00
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<script type="text/javascript">
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2015-04-07 02:39:47 +00:00
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var web3 = require('web3');
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2015-04-20 11:52:40 +00:00
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web3.setProvider(new web3.providers.HttpProvider('http://localhost:8545'));
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2015-02-02 10:52:56 +00:00
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2015-05-13 10:05:38 +00:00
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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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2015-05-13 18:05:23 +00:00
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" x = 70; " +
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2015-05-13 10:05:38 +00:00
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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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2015-02-02 10:52:56 +00:00
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2015-05-21 10:02:15 +00:00
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var compiled = web3.eth.compile.solidity(source);
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var code = compiled.Contract.code;
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var abi = compiled.Contract.info.abiDefinition;
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2015-02-02 10:52:56 +00:00
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var address;
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var contract;
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2015-06-10 10:06:37 +00:00
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var inc;
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2015-02-02 10:52:56 +00:00
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2015-04-20 11:52:40 +00:00
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var update = function (err, x) {
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2015-04-28 15:01:37 +00:00
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document.getElementById('result').textContent = JSON.stringify(x, null, 2);
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2015-02-02 10:52:56 +00:00
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};
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var createContract = function () {
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2015-04-20 11:52:40 +00:00
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// let's assume that we have a private key to coinbase ;)
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2015-04-20 12:16:29 +00:00
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web3.eth.defaultAccount = web3.eth.coinbase;
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2015-05-13 18:05:23 +00:00
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document.getElementById('create').style.visibility = 'hidden';
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document.getElementById('status').innerText = "transaction sent, waiting for confirmation";
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2015-07-07 09:51:13 +00:00
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web3.eth.contract(abi).new({data: code}, function (err, c) {
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if (err) {
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2015-07-07 09:58:42 +00:00
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console.error(err);
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2015-07-07 09:51:13 +00:00
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return;
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2015-05-13 18:05:23 +00:00
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2015-07-20 14:44:25 +00:00
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// callback fires twice, we only want the second call when the contract is deployed
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2015-08-06 15:58:57 +00:00
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} else if(c.address){
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2015-07-20 14:44:25 +00:00
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contract = c;
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console.log('address: ' + contract.address);
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document.getElementById('status').innerText = 'Mined!';
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document.getElementById('call').style.visibility = 'visible';
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2015-07-07 09:51:13 +00:00
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2015-07-20 14:44:25 +00:00
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inc = contract.Incremented({odd: true}, update);
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}
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2015-07-07 09:51:13 +00:00
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});
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2015-02-02 10:52:56 +00:00
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};
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2015-05-13 18:05:23 +00:00
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var counter = 0;
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2015-02-02 10:52:56 +00:00
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var callContract = function () {
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2015-05-13 18:05:23 +00:00
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counter++;
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var all = 70 + counter;
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document.getElementById('count').innerText = 'Transaction sent ' + counter + ' times. ' +
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'Expected x value is: ' + (all - (all % 2 ? 0 : 1)) + ' ' +
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'Waiting for the blocks to be mined...';
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2015-04-20 12:16:29 +00:00
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contract.inc();
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2015-02-02 10:52:56 +00:00
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};
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</script>
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</head>
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<body>
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2015-05-13 18:05:23 +00:00
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<div id="status"></div>
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2015-02-02 10:52:56 +00:00
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<div>
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2015-05-13 18:05:23 +00:00
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<button id="create" type="button" onClick="createContract();">create contract</button>
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2015-02-02 10:52:56 +00:00
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</div>
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<div>
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2015-05-13 18:05:23 +00:00
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<button id="call" style="visibility: hidden;" type="button" onClick="callContract();">test1</button>
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2015-02-02 10:52:56 +00:00
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</div>
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2015-05-13 18:05:23 +00:00
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<div id='count'></div>
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2015-02-02 10:52:56 +00:00
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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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