diff options
| -rw-r--r-- | cmd/mist/assets/examples/coin.html | 96 |
1 files changed, 66 insertions, 30 deletions
diff --git a/cmd/mist/assets/examples/coin.html b/cmd/mist/assets/examples/coin.html index 1e8a1cad9..71b359834 100644 --- a/cmd/mist/assets/examples/coin.html +++ b/cmd/mist/assets/examples/coin.html @@ -7,7 +7,7 @@ </head> <body> -<h1>JevCoin</h1> +<h1>JevCoin <code id="address"></code></h1> <div> <strong>Balance</strong> <span id="balance"></strong> @@ -20,7 +20,11 @@ <button onclick="transact()">Send</button> </div> +<hr> + <table width="100%" id="table"> + <tr><td style="width:40%;">Address</td><td>Balance</td></tr> + <tbody id="table_body"></tbody> </table> </body> @@ -29,9 +33,8 @@ var web3 = require('web3'); var eth = web3.eth; - web3.setProvider(new - web3.providers.HttpSyncProvider('http://localhost:8545')); - var desc = [{ + web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8545')); + var desc = [{ "name": "balance(address)", "type": "function", "inputs": [{ @@ -55,57 +58,90 @@ }], "outputs": [] }, { - "name":"Changed", + "name":"changed", "type":"event", "inputs": [ {"name":"to","type":"address","indexed":true}, - {"name":"amount","type":"uint256","indexed":false}, + {"name":"from","type":"address","indexed":true}, ], }]; - 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 address = localStorage.getItem("address"); + // deploy if not exist + if (address == null) { + var code = "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"; + address = web3.eth.transact({ + data: code, + gasPrice: "1000000000000000", + gas: "10000", + }); + localStorage.setItem("address", address); + } + document.querySelector("#address").innerHTML = address.toUpperCase(); var contract = web3.eth.contract(address, desc); - contract.Changed({to: "0xaa"}).changed(function(e) { - console.log("e: " + JSON.stringify(e)); + contract.changed({from: eth.accounts[0]}).changed(function() { + refresh(); }); - contract.send( "0xaa", 10000 ); - function reflesh() { - document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase); + eth.watch('chain').changed(function() { + refresh(); + }); + + function refresh() { + document.querySelector("#balance").innerHTML = contract.balance(eth.coinbase); - var table = document.querySelector("#table"); + var table = document.querySelector("#table_body"); table.innerHTML = ""; // clear var storage = eth.storageAt(address); + table.innerHTML = ""; for( var item in storage ) { - table.innerHTML += "<tr><td>"+item+"</td><td>"+web3.toDecimal(storage[item])+"</td></tr>"; + table.innerHTML += "<tr><td>"+item.toUpperCase()+"</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; - } + + 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 ); + contract.send( to, value ); } - reflesh(); + refresh(); </script> </html> +<!-- +contract JevCoin { + function JevCoin() + { + balances[msg.sender] = 1000000; + } + + event changed(address indexed from, address indexed to); + function send(address to, uint value) + { + if( balances[msg.sender] < value ) return; + + balances[msg.sender] -= value; + balances[to] += value; + + changed(msg.sender, to); + } + + function balance(address who) constant returns(uint t) + { + t = balances[who]; + } + + mapping(address => uint256) balances; + } +-!> |