mwah.sol

pragma solidity ^0.4.24;

contract DollarAuction {

    address player;
    uint public price;
    uint public playersCount;
    mapping(address => uint) playersBids;
    mapping(uint => address) players;

    function DollarAuction(uint _winning_price) payable {
        price = _winning_price;
    }

    function placeBid() payable returns (bool) {
        if( playersBids[msg.sender] == 0 )
            playersBids[msg.sender] = msg.value;
        playersBids[msg.sender] += msg.value;
        playersCount += 1;
        // file an event here......
        return true;
    }

    function getBid(address player) public returns (uint) {
        return playersBids[player];
    }

    function listBids() public returns (uint[]) {
        uint[] memory bids = new uint[](playersCount);
        for(uint i=0;i<=playersCount;i++) {
            player = players[i];
            bids[i] = playersBids[player];
        }
        return bids;
    }

    //function listPlayers() public returns (address[]) {
    //    address[] memory playersAddresses = new address[](playersCount);
    //    for(uint i=0; i<=playersCount; i++) {
    //        playersAddresses.push( players[i] );
    //    }
    //    return playersAddresses;
    //}

    function payout() public returns (bool) {
        // skontroluje cas
        // zosorti players
        // vyplati players per pre-defined rules
        // spusti payRoyalty funkci na remainder
         return false;
    }

}