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| author | obscuren <geffobscura@gmail.com> | 2014-12-22 18:57:13 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2014-12-22 18:57:13 +0800 |
| commit | e42517754ac2912b6d3ca78a34b8aeadf8805906 (patch) | |
| tree | c69969cf68d0fd20598c531db394cbff864547dd /cmd/ethtest/example/contract.html | |
| parent | a153b47c2be80bbfb38954c5eae310305d54120b (diff) | |
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updated ethereum.js
Diffstat (limited to 'cmd/ethtest/example/contract.html')
| -rw-r--r-- | cmd/ethtest/example/contract.html | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/cmd/ethtest/example/contract.html b/cmd/ethtest/example/contract.html new file mode 100644 index 000000000..44f0b03a1 --- /dev/null +++ b/cmd/ethtest/example/contract.html @@ -0,0 +1,75 @@ +<!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> + |