<!doctype> <html> <title>JevCoin</title> <head> <script type="text/javascript" src="../ext/bignumber.min.js"></script> <script type="text/javascript" src="../ext/ethereum.js/dist/ethereum.js"></script> </head> <body> <h1>JevCoin</h1> <div> <strong>Balance</strong> <span id="balance"></strong> </div> <div> <span class="amount">Amount:</span> <input type="text" id="address" style="width:200px"> <input type="text" id="amount" style="width:200px"> <button onclick="transact()">Send</button> </div> <table width="100%" id="table"> </table> </body> <script type="text/javascript"> var web3 = require('web3'); var eth = web3.eth; web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080')); var desc = [{ "name": "balance(address)", "type": "function", "inputs": [{ "name": "who", "type": "address" }], "constant": true, "outputs": [{ "name": "value", "type": "uint256" }] }, { "name": "send(address,uint256)", "type": "function", "inputs": [{ "name": "to", "type": "address" }, { "name": "value", "type": "uint256" }], "outputs": [] }, { "name":"Changed", "type":"event", "inputs": [ {"name":"to","type":"address","indexed":true}, {"name":"amount","type":"uint256","indexed":false}, ], }]; var address = web3.db.get("jevcoin", "address"); if( address.length == 0 ) { var code = "0x60056011565b60b88060356000396000f35b64e8d4a51000600033600160a060020a0316600052602052604060002081905550560060e060020a6000350480637bb98a68146028578063d0679d34146034578063e3d670d714604657005b602e60b3565b60006000f35b60406004356024356059565b60006000f35b604f6004356091565b8060005260206000f35b8060005281600160a060020a03167fb52dda022b6c1a1f40905a85f257f689aa5d69d850e49cf939d688fbe5af594660206000a25050565b6000600082600160a060020a03166000526020526040600020549050919050565b5b60008156"; address = web3.eth.transact({ data: code, gasPrice: "1000000000000000", gas: "10000", }); web3.db.put("jevcoin", "address", address); } var contract = web3.eth.contract(address, desc); contract.Changed({to: "0xaa"}).changed(function(e) { console.log("e: " + JSON.stringify(e)); }); contract.send( "0xaa", 10000 ); function reflesh() { document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase); var table = document.querySelector("#table"); table.innerHTML = ""; // clear var storage = eth.storageAt(address); for( var item in storage ) { table.innerHTML += "<tr><td>"+item+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>"; } } function transact() { var to = document.querySelector("#address").value; if( to.length == 0 ) { to = "0x4205b06c2cfa0e30359edcab94543266cb6fa1d3"; } else { to = "0x"+to; } var value = parseInt( document.querySelector("#amount").value ); contract.transact({gas: "10000", gasprice: eth.gasPrice}).send( to, value ); } reflesh(); </script> </html>