KenKappler.github.io/Rainbow.html at master · KenKappler/KenKappler.github.io · GitHub

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<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8">
		<title>JSAPI_1.html</title>
		<a href="index.html">Back to Contents</a>
		<script type="text/javascript">
		//Serpent source Code
		var serpentSource = "def init():\n" +
				"	self.storage[msg.sender] = 10000\n" +
			"def send(to, value):\n" +
				"	from = msg.sender\n" +
				"	if self.storage[from] >= value:\n" +
					"		self.storage[from] = self.storage[from]  - value\n" +
					"		self.storage[to] = self.storage[to] + value\n";
		var soliditySource = "contract Coin {\n"+
			"	mapping (address => uint) balances;\n" +
			"	function Coin() {\n" +
				"		balances[msg.sender] = 10000;\n" +
			"	}\n" +
			"	function send(address receiver, uint amount) {\n" +
				"		if (balances[msg.sender] < amount) return;\n" +
				"		balances[msg.sender] -= amount;\n" +
				"		balances[receiver] += amount;\n" +
			"	}\n" +
		"}";
		var contractDesc = [{
			"name": "Send",
			"inputs": [{
				"name": "to",
				"type": "uint256"
			}, {
				"name": "value",
				"type": "uint256"
			}]
		}];
		//var contract = web3.contract(contractAddress, contractDesc);
		function sendEther () {
			web3.eth.transact({to: document.querySelector('#recipient').value ,value: document.querySelector('#value').value}).then(function(){});
		}
		function createSerpentContract() {
			web3.eth.transact({code: web3.eth.serpent(serpentSource)}).then(function(address){
				contract = web3.contract(address, contractDesc);
				contractAddress = address;
			});
		};
		function createSolidityContract() {
			web3.eth.transact({code: web3.eth.solidity(soliditySource)}).then(function(address){
				contract = web3.contract(address, contractDesc);
				contractAddress = address;
			});
		};
		//function to send transaction using parameters from the HTML input boxes
		function dataTransaction() {
			receiverAddress = document.querySelector('#receiverAddress').value;
			console.log(receiverAddress);
			amount = document.querySelector('#amount').value;
			console.log(amount);
			contract.Send(receiverAddress, amount).transact()
		};
		web3.eth.watch({
			altered: web3.eth.number
		}).changed(function() {
			web3.eth.storageAt(contractAddress).then(function(result) {
				document.getElementById('balance').innerText = web3.toDecimal(result[web3.eth.coinbase._result]);
			});
		});
		</script>
	</head>
	<body>
		<div>
			<div>
				<h3>Transact Example</h3>
			</div>
			<div>
				<input id="recipient" type="text" placeholder="To">
				<input id="value" type="text" placeholder="Value in Wei">
			</div>
			<div>
				<button onclick="sendEther();">Send Ether</button>
			</div>
			<div>
				<h3>Create a contract</h3>
			</div>
			<div>
				<button onclick="createSerpentContract();">Create Serpent Coin Contract</button>
				<button onclick="createSolidityContract();">Create Solidity Coin Contract</button>
			</div>
			<div>
				<h3>Send some coins</h3>
			</div>
			<div>
				<h4>Coin Balance: <strong id="balance"></strong></h4>
			</div>
			<div>
				<input id="receiverAddress" class="form-control" type="text" placeholder="Receiver address"></input><br>
				<input id="amount" class="form-control" type="text" placeholder="Amount"></input><br>
			</div>
			<button onclick="dataTransaction();">Send transaction</button>
		</div>
		<div>
			Typical transaction for a coin contract. Put in addresses prefixed with '0x' and hit 'Send transaction'
		</div>
	</body>
</html>