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| author | obscuren <geffobscura@gmail.com> | 2015-01-28 17:58:56 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2015-01-28 17:58:56 +0800 |
| commit | 94976d63ca7d12983aa75ed8cf04d4210a818b33 (patch) | |
| tree | cbcc5af9d5109282ee2466467931aa3fd80592b3 /cmd/mist/assets/ext/example/contract.html | |
| parent | ad5894e486f0c78606453a6aba38c6670b791a92 (diff) | |
| parent | cb47a9e97ff3f2dcd2d2e6f1a3d39709d6d6a24d (diff) | |
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Merge branch 'develop' into qt5.4
Diffstat (limited to 'cmd/mist/assets/ext/example/contract.html')
| -rw-r--r-- | cmd/mist/assets/ext/example/contract.html | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/cmd/mist/assets/ext/example/contract.html b/cmd/mist/assets/ext/example/contract.html new file mode 100644 index 000000000..dccd1a64f --- /dev/null +++ b/cmd/mist/assets/ext/example/contract.html @@ -0,0 +1,73 @@ +<!doctype> +<html> + +<head> +<script type="text/javascript" src="js/bignumber.js/bignumber.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.HttpSyncProvider()); + + // 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(uint256)", + "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 + var address = web3.eth.transact({code: web3.eth.solidity(source)}); + contract = web3.eth.contract(address, desc); + document.getElementById('call').style.visibility = 'visible'; + } + + function callExampleContract() { + // this should be generated by ethereum + var param = parseInt(document.getElementById('value').value); + + // call the contract + var res = contract.call().multiply(param); + document.getElementById('result').innerText = res.toString(10); + } + +</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> + |