Contracts for Gophercon.in : 0x1f3aa7b716c9537262dd7450404e28ae7923e715 on Rinkeby Network / 0x7F3A19eDC1fFBd3fC2b4fc978b0d8f8C19316186

hitme.json

[
	{
		"constant": true,
		"inputs": [],
		"name": "numTargets",
		"outputs": [
			{
				"name": "",
				"type": "uint256"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [
			{
				"name": "",
				"type": "address"
			}
		],
		"name": "hits",
		"outputs": [
			{
				"name": "",
				"type": "uint256"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"constant": true,
		"inputs": [
			{
				"name": "",
				"type": "uint256"
			}
		],
		"name": "hitList",
		"outputs": [
			{
				"name": "",
				"type": "address"
			}
		],
		"payable": false,
		"stateMutability": "view",
		"type": "function"
	},
	{
		"anonymous": false,
		"inputs": [
			{
				"indexed": false,
				"name": "who",
				"type": "address"
			},
			{
				"indexed": false,
				"name": "count",
				"type": "uint256"
			}
		],
		"name": "Thump",
		"type": "event"
	},
	{
		"constant": false,
		"inputs": [],
		"name": "hitMe",
		"outputs": [],
		"payable": false,
		"stateMutability": "nonpayable",
		"type": "function"
	}
]

hitme.sol

pragma solidity ^0.4.18;

contract GopherCon{
    
    mapping(address => uint) public hits;
    address[] public hitList;
    
    function hitMe() public {
        if (hits[msg.sender] == 0) {
            hitList.push(msg.sender);
        }
        hits[msg.sender]++;
        Thump(msg.sender,hits[msg.sender]);
    }
    
    function numTargets() public view returns (uint) {
        return hitList.length;
    }
    
    event Thump(address who, uint count);
}