MainContract.sol

pragma solidity ^0.4.18;

library SafeMath {

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0) {
      return 0;
    }
    uint256 c = a * b;
    assert(c / a == b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  /**
  * @dev Substracts two numbers, throws on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  /**
  * @dev Adds two numbers, throws on overflow.
  */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}

contract CryptoWaterMargin {
  using SafeMath for uint256;

  event Bought (uint256 indexed _itemId, address indexed _owner, uint256 _price);
  event Sold (uint256 indexed _itemId, address indexed _owner, uint256 _price);
  event Transfer(address indexed _from, address indexed _to, uint256 _tokenId);
  event Approval(address indexed _owner, address indexed _approved, uint256 _tokenId);

  address private owner;
  mapping (address => bool) private admins;
  IItemRegistry private itemRegistry;
  bool private erc721Enabled = false;

  uint256 private increaseLimit1 = 0.02 ether;
  uint256 private increaseLimit2 = 0.5 ether;
  uint256 private increaseLimit3 = 2.0 ether;
  uint256 private increaseLimit4 = 5.0 ether;

  uint256[] private listedItems;
  mapping (uint256 => address) private ownerOfItem;
  mapping (uint256 => uint256) private startingPriceOfItem;
  mapping (uint256 => uint256) private priceOfItem;
  mapping (uint256 => address) private approvedOfItem;

  function CryptoWaterMargin () public {
    owner = msg.sender;
    admins[owner] = true;
    
    printInitialCard();
  }

  /* Modifiers */
  modifier onlyOwner() {
    require(owner == msg.sender);
    _;
  }

  modifier onlyAdmins() {
    require(admins[msg.sender]);
    _;
  }

  modifier onlyERC721() {
    require(erc721Enabled);
    _;
  }

  /* Owner */
  function setOwner (address _owner) onlyOwner() public {
    owner = _owner;
  }

  function setItemRegistry (address _itemRegistry) onlyOwner() public {
    itemRegistry = IItemRegistry(_itemRegistry);
  }

  function addAdmin (address _admin) onlyOwner() public {
    admins[_admin] = true;
  }

  function removeAdmin (address _admin) onlyOwner() public {
    delete admins[_admin];
  }

  // Unlocks ERC721 behaviour, allowing for trading on third party platforms.
  function enableERC721 () onlyOwner() public {
    erc721Enabled = true;
  }

  /* Withdraw */
  /*
    NOTICE: These functions withdraw the developer's cut which is left
    in the contract by `buy`. User funds are immediately sent to the old
    owner in `buy`, no user funds are left in the contract.
  */
  function withdrawAll () onlyAdmins() public {
    owner.transfer(this.balance);
  }

  function withdrawAmount (uint256 _amount) onlyAdmins() public {
    owner.transfer(_amount);
  }

  /* Listing */
  function populateFromItemRegistry (uint256[] _itemIds) onlyOwner() public {
    for (uint256 i = 0; i < _itemIds.length; i++) {
      if (priceOfItem[_itemIds[i]] > 0 || itemRegistry.priceOf(_itemIds[i]) == 0) {
        continue;
      }

      listItemFromRegistry(_itemIds[i]);
    }
  }

  function listItemFromRegistry (uint256 _itemId) onlyOwner() public {
    require(itemRegistry != address(0));
    require(itemRegistry.ownerOf(_itemId) != address(0));
    require(itemRegistry.priceOf(_itemId) > 0);

    uint256 price = itemRegistry.priceOf(_itemId);
    address itemOwner = itemRegistry.ownerOf(_itemId);
    listItem(_itemId, price, itemOwner);
  }

  function listMultipleItems (uint256[] _itemIds, uint256 _price, address _owner) onlyAdmins() external {
    for (uint256 i = 0; i < _itemIds.length; i++) {
      listItem(_itemIds[i], _price, _owner);
    }
  }

  function listItem (uint256 _itemId, uint256 _price, address _owner) onlyAdmins() public {
    require(_price > 0);
    require(priceOfItem[_itemId] == 0);
    require(ownerOfItem[_itemId] == address(0));

    ownerOfItem[_itemId] = _owner;
    priceOfItem[_itemId] = _price;
    startingPriceOfItem[_itemId] = _price;
    listedItems.push(_itemId);
  }

  /* Buying */
  function calculateNextPrice (uint256 _price) public view returns (uint256 _nextPrice) {
    if (_price < increaseLimit1) {
      return _price.mul(200).div(95);
    } else if (_price < increaseLimit2) {
      return _price.mul(135).div(96);
    } else if (_price < increaseLimit3) {
      return _price.mul(125).div(97);
    } else if (_price < increaseLimit4) {
      return _price.mul(117).div(97);
    } else {
      return _price.mul(115).div(98);
    }
  }

  function calculateDevCut (uint256 _price) public view returns (uint256 _devCut) {
    if (_price < increaseLimit1) {
      return _price.mul(5).div(100); // 5%
    } else if (_price < increaseLimit2) {
      return _price.mul(4).div(100); // 4%
    } else if (_price < increaseLimit3) {
      return _price.mul(3).div(100); // 3%
    } else if (_price < increaseLimit4) {
      return _price.mul(3).div(100); // 3%
    } else {
      return _price.mul(2).div(100); // 2%
    }
  }

  /*
     Buy a country directly from the contract for the calculated price
     which ensures that the owner gets a profit.  All countries that
     have been listed can be bought by this method. User funds are sent
     directly to the previous owner and are never stored in the contract.
  */
  function buy (uint256 _itemId) payable public {
    require(priceOf(_itemId) > 0);
    require(ownerOf(_itemId) != address(0));
    require(msg.value >= priceOf(_itemId));
    require(ownerOf(_itemId) != msg.sender);
    require(!isContract(msg.sender));
    require(msg.sender != address(0));

    address oldOwner = ownerOf(_itemId);
    address newOwner = msg.sender;
    uint256 price = priceOf(_itemId);
    uint256 excess = msg.value.sub(price);

    _transfer(oldOwner, newOwner, _itemId);
    priceOfItem[_itemId] = nextPriceOf(_itemId);

    Bought(_itemId, newOwner, price);
    Sold(_itemId, oldOwner, price);

    // Devevloper's cut which is left in contract and accesed by
    // `withdrawAll` and `withdrawAmountTo` methods.
    uint256 devCut = calculateDevCut(price);

    // Transfer payment to old owner minus the developer's cut.
    oldOwner.transfer(price.sub(devCut));

    if (excess > 0) {
      newOwner.transfer(excess);
    }
  }

  /* ERC721 */
  function implementsERC721() public view returns (bool _implements) {
    return erc721Enabled;
  }

  function name() public pure returns (string _name) {
    return "CryptoCountries.io Countries";
  }

  function symbol() public pure returns (string _symbol) {
    return "CCC";
  }

  function totalSupply() public view returns (uint256 _totalSupply) {
    return listedItems.length;
  }

  function balanceOf (address _owner) public view returns (uint256 _balance) {
    uint256 counter = 0;

    for (uint256 i = 0; i < listedItems.length; i++) {
      if (ownerOf(listedItems[i]) == _owner) {
        counter++;
      }
    }

    return counter;
  }

  function ownerOf (uint256 _itemId) public view returns (address _owner) {
    return ownerOfItem[_itemId];
  }

  function tokensOf (address _owner) public view returns (uint256[] _tokenIds) {
    uint256[] memory items = new uint256[](balanceOf(_owner));

    uint256 itemCounter = 0;
    for (uint256 i = 0; i < listedItems.length; i++) {
      if (ownerOf(listedItems[i]) == _owner) {
        items[itemCounter] = listedItems[i];
        itemCounter += 1;
      }
    }

    return items;
  }

  function tokenExists (uint256 _itemId) public view returns (bool _exists) {
    return priceOf(_itemId) > 0;
  }

  function approvedFor(uint256 _itemId) public view returns (address _approved) {
    return approvedOfItem[_itemId];
  }

  function approve(address _to, uint256 _itemId) onlyERC721() public {
    require(msg.sender != _to);
    require(tokenExists(_itemId));
    require(ownerOf(_itemId) == msg.sender);

    if (_to == 0) {
      if (approvedOfItem[_itemId] != 0) {
        delete approvedOfItem[_itemId];
        Approval(msg.sender, 0, _itemId);
      }
    } else {
      approvedOfItem[_itemId] = _to;
      Approval(msg.sender, _to, _itemId);
    }
  }

  /* Transferring a country to another owner will entitle the new owner the profits from `buy` */
  function transfer(address _to, uint256 _itemId) onlyERC721() public {
    require(msg.sender == ownerOf(_itemId));
    _transfer(msg.sender, _to, _itemId);
  }

  function transferFrom(address _from, address _to, uint256 _itemId) onlyERC721() public {
    require(approvedFor(_itemId) == msg.sender);
    _transfer(_from, _to, _itemId);
  }

  function _transfer(address _from, address _to, uint256 _itemId) internal {
    require(tokenExists(_itemId));
    require(ownerOf(_itemId) == _from);
    require(_to != address(0));
    require(_to != address(this));

    ownerOfItem[_itemId] = _to;
    approvedOfItem[_itemId] = 0;

    Transfer(_from, _to, _itemId);
  }

  /* Read */
  function isAdmin (address _admin) public view returns (bool _isAdmin) {
    return admins[_admin];
  }

  function startingPriceOf (uint256 _itemId) public view returns (uint256 _startingPrice) {
    return startingPriceOfItem[_itemId];
  }

  function priceOf (uint256 _itemId) public view returns (uint256 _price) {
    return priceOfItem[_itemId];
  }

  function nextPriceOf (uint256 _itemId) public view returns (uint256 _nextPrice) {
    return calculateNextPrice(priceOf(_itemId));
  }

  function allOf (uint256 _itemId) external view returns (address _owner, uint256 _startingPrice, uint256 _price, uint256 _nextPrice) {
    return (ownerOf(_itemId), startingPriceOf(_itemId), priceOf(_itemId), nextPriceOf(_itemId));
  }

  function itemsForSaleLimit (uint256 _from, uint256 _take) public view returns (uint256[] _items) {
    uint256[] memory items = new uint256[](_take);

    for (uint256 i = 0; i < _take; i++) {
      items[i] = listedItems[_from + i];
    }

    return items;
  }

  /* Util */
  function isContract(address addr) internal view returns (bool) {
    uint size;
    assembly { size := extcodesize(addr) } // solium-disable-line
    return size > 0;
  }
  
  function changePrice(uint256 _itemId, uint256 _price) public onlyAdmins() {
      require(_price > 0);
      require(ownerOfItem[_itemId] != address(0));
      
      priceOfItem[_itemId] = _price;
  }
  
  function printInitialCard() internal {
      
	ownerOfItem[1] = owner;
	priceOfItem[1] = 1 ether;
	startingPriceOfItem[1] = 1 ether;
	listedItems.push(1);

	ownerOfItem[2] = owner;
	priceOfItem[2] = 1 ether;
	startingPriceOfItem[2] = 1 ether;
	listedItems.push(2);

	ownerOfItem[3] = owner;
	priceOfItem[3] = 1 ether;
	startingPriceOfItem[3] = 1 ether;
	listedItems.push(3);

	ownerOfItem[4] = owner;
	priceOfItem[4] = 1 ether;
	startingPriceOfItem[4] = 1 ether;
	listedItems.push(4);

	ownerOfItem[5] = owner;
	priceOfItem[5] = 1 ether;
	startingPriceOfItem[5] = 1 ether;
	listedItems.push(5);

	ownerOfItem[6] = owner;
	priceOfItem[6] = 1 ether;
	startingPriceOfItem[6] = 1 ether;
	listedItems.push(6);

	ownerOfItem[7] = owner;
	priceOfItem[7] = 1 ether;
	startingPriceOfItem[7] = 1 ether;
	listedItems.push(7);

	ownerOfItem[8] = owner;
	priceOfItem[8] = 1 ether;
	startingPriceOfItem[8] = 1 ether;
	listedItems.push(8);

	ownerOfItem[9] = owner;
	priceOfItem[9] = 1 ether;
	startingPriceOfItem[9] = 1 ether;
	listedItems.push(9);

	ownerOfItem[10] = owner;
	priceOfItem[10] = 1 ether;
	startingPriceOfItem[10] = 1 ether;
	listedItems.push(10);

	ownerOfItem[11] = owner;
	priceOfItem[11] = 1 ether;
	startingPriceOfItem[11] = 1 ether;
	listedItems.push(11);

	ownerOfItem[12] = owner;
	priceOfItem[12] = 1 ether;
	startingPriceOfItem[12] = 1 ether;
	listedItems.push(12);

	ownerOfItem[13] = owner;
	priceOfItem[13] = 1 ether;
	startingPriceOfItem[13] = 1 ether;
	listedItems.push(13);

	ownerOfItem[14] = owner;
	priceOfItem[14] = 1 ether;
	startingPriceOfItem[14] = 1 ether;
	listedItems.push(14);

	ownerOfItem[15] = owner;
	priceOfItem[15] = 1 ether;
	startingPriceOfItem[15] = 1 ether;
	listedItems.push(15);

	ownerOfItem[16] = owner;
	priceOfItem[16] = 1 ether;
	startingPriceOfItem[16] = 1 ether;
	listedItems.push(16);

	ownerOfItem[17] = owner;
	priceOfItem[17] = 1 ether;
	startingPriceOfItem[17] = 1 ether;
	listedItems.push(17);

	ownerOfItem[18] = owner;
	priceOfItem[18] = 1 ether;
	startingPriceOfItem[18] = 1 ether;
	listedItems.push(18);

	ownerOfItem[19] = owner;
	priceOfItem[19] = 1 ether;
	startingPriceOfItem[19] = 1 ether;
	listedItems.push(19);

	ownerOfItem[20] = owner;
	priceOfItem[20] = 1 ether;
	startingPriceOfItem[20] = 1 ether;
	listedItems.push(20);

	ownerOfItem[21] = owner;
	priceOfItem[21] = 1 ether;
	startingPriceOfItem[21] = 1 ether;
	listedItems.push(21);

	ownerOfItem[22] = owner;
	priceOfItem[22] = 1 ether;
	startingPriceOfItem[22] = 1 ether;
	listedItems.push(22);

	ownerOfItem[23] = owner;
	priceOfItem[23] = 1 ether;
	startingPriceOfItem[23] = 1 ether;
	listedItems.push(23);

	ownerOfItem[24] = owner;
	priceOfItem[24] = 1 ether;
	startingPriceOfItem[24] = 1 ether;
	listedItems.push(24);

	ownerOfItem[25] = owner;
	priceOfItem[25] = 1 ether;
	startingPriceOfItem[25] = 1 ether;
	listedItems.push(25);

	ownerOfItem[26] = owner;
	priceOfItem[26] = 1 ether;
	startingPriceOfItem[26] = 1 ether;
	listedItems.push(26);

	ownerOfItem[27] = owner;
	priceOfItem[27] = 1 ether;
	startingPriceOfItem[27] = 1 ether;
	listedItems.push(27);

	ownerOfItem[28] = owner;
	priceOfItem[28] = 1 ether;
	startingPriceOfItem[28] = 1 ether;
	listedItems.push(28);

	ownerOfItem[29] = owner;
	priceOfItem[29] = 1 ether;
	startingPriceOfItem[29] = 1 ether;
	listedItems.push(29);

	ownerOfItem[30] = owner;
	priceOfItem[30] = 1 ether;
	startingPriceOfItem[30] = 1 ether;
	listedItems.push(30);

	ownerOfItem[31] = owner;
	priceOfItem[31] = 1 ether;
	startingPriceOfItem[31] = 1 ether;
	listedItems.push(31);

	ownerOfItem[32] = owner;
	priceOfItem[32] = 1 ether;
	startingPriceOfItem[32] = 1 ether;
	listedItems.push(32);

	ownerOfItem[33] = owner;
	priceOfItem[33] = 1 ether;
	startingPriceOfItem[33] = 1 ether;
	listedItems.push(33);

	ownerOfItem[34] = owner;
	priceOfItem[34] = 1 ether;
	startingPriceOfItem[34] = 1 ether;
	listedItems.push(34);

	ownerOfItem[35] = owner;
	priceOfItem[35] = 1 ether;
	startingPriceOfItem[35] = 1 ether;
	listedItems.push(35);

	ownerOfItem[36] = owner;
	priceOfItem[36] = 1 ether;
	startingPriceOfItem[36] = 1 ether;
	listedItems.push(36);

	ownerOfItem[37] = owner;
	priceOfItem[37] = 1 ether;
	startingPriceOfItem[37] = 1 ether;
	listedItems.push(37);

	ownerOfItem[38] = owner;
	priceOfItem[38] = 1 ether;
	startingPriceOfItem[38] = 1 ether;
	listedItems.push(38);

	ownerOfItem[39] = owner;
	priceOfItem[39] = 1 ether;
	startingPriceOfItem[39] = 1 ether;
	listedItems.push(39);

	ownerOfItem[40] = owner;
	priceOfItem[40] = 1 ether;
	startingPriceOfItem[40] = 1 ether;
	listedItems.push(40);

	ownerOfItem[41] = owner;
	priceOfItem[41] = 1 ether;
	startingPriceOfItem[41] = 1 ether;
	listedItems.push(41);

	ownerOfItem[42] = owner;
	priceOfItem[42] = 1 ether;
	startingPriceOfItem[42] = 1 ether;
	listedItems.push(42);

	ownerOfItem[43] = owner;
	priceOfItem[43] = 1 ether;
	startingPriceOfItem[43] = 1 ether;
	listedItems.push(43);

	ownerOfItem[44] = owner;
	priceOfItem[44] = 1 ether;
	startingPriceOfItem[44] = 1 ether;
	listedItems.push(44);

	ownerOfItem[45] = owner;
	priceOfItem[45] = 1 ether;
	startingPriceOfItem[45] = 1 ether;
	listedItems.push(45);

	ownerOfItem[46] = owner;
	priceOfItem[46] = 1 ether;
	startingPriceOfItem[46] = 1 ether;
	listedItems.push(46);

	ownerOfItem[47] = owner;
	priceOfItem[47] = 1 ether;
	startingPriceOfItem[47] = 1 ether;
	listedItems.push(47);

	ownerOfItem[48] = owner;
	priceOfItem[48] = 1 ether;
	startingPriceOfItem[48] = 1 ether;
	listedItems.push(48);

	ownerOfItem[49] = owner;
	priceOfItem[49] = 1 ether;
	startingPriceOfItem[49] = 1 ether;
	listedItems.push(49);

	ownerOfItem[50] = owner;
	priceOfItem[50] = 1 ether;
	startingPriceOfItem[50] = 1 ether;
	listedItems.push(50);

	ownerOfItem[51] = owner;
	priceOfItem[51] = 1 ether;
	startingPriceOfItem[51] = 1 ether;
	listedItems.push(51);

	ownerOfItem[52] = owner;
	priceOfItem[52] = 1 ether;
	startingPriceOfItem[52] = 1 ether;
	listedItems.push(52);

	ownerOfItem[53] = owner;
	priceOfItem[53] = 1 ether;
	startingPriceOfItem[53] = 1 ether;
	listedItems.push(53);

	ownerOfItem[54] = owner;
	priceOfItem[54] = 1 ether;
	startingPriceOfItem[54] = 1 ether;
	listedItems.push(54);

	ownerOfItem[55] = owner;
	priceOfItem[55] = 1 ether;
	startingPriceOfItem[55] = 1 ether;
	listedItems.push(55);

	ownerOfItem[56] = owner;
	priceOfItem[56] = 1 ether;
	startingPriceOfItem[56] = 1 ether;
	listedItems.push(56);

	ownerOfItem[57] = owner;
	priceOfItem[57] = 1 ether;
	startingPriceOfItem[57] = 1 ether;
	listedItems.push(57);

	ownerOfItem[58] = owner;
	priceOfItem[58] = 1 ether;
	startingPriceOfItem[58] = 1 ether;
	listedItems.push(58);

	ownerOfItem[59] = owner;
	priceOfItem[59] = 1 ether;
	startingPriceOfItem[59] = 1 ether;
	listedItems.push(59);

	ownerOfItem[60] = owner;
	priceOfItem[60] = 1 ether;
	startingPriceOfItem[60] = 1 ether;
	listedItems.push(60);

	ownerOfItem[61] = owner;
	priceOfItem[61] = 1 ether;
	startingPriceOfItem[61] = 1 ether;
	listedItems.push(61);

	ownerOfItem[62] = owner;
	priceOfItem[62] = 1 ether;
	startingPriceOfItem[62] = 1 ether;
	listedItems.push(62);

	ownerOfItem[63] = owner;
	priceOfItem[63] = 1 ether;
	startingPriceOfItem[63] = 1 ether;
	listedItems.push(63);

	ownerOfItem[64] = owner;
	priceOfItem[64] = 1 ether;
	startingPriceOfItem[64] = 1 ether;
	listedItems.push(64);

	ownerOfItem[65] = owner;
	priceOfItem[65] = 1 ether;
	startingPriceOfItem[65] = 1 ether;
	listedItems.push(65);

	ownerOfItem[66] = owner;
	priceOfItem[66] = 1 ether;
	startingPriceOfItem[66] = 1 ether;
	listedItems.push(66);

	ownerOfItem[67] = owner;
	priceOfItem[67] = 1 ether;
	startingPriceOfItem[67] = 1 ether;
	listedItems.push(67);

	ownerOfItem[68] = owner;
	priceOfItem[68] = 1 ether;
	startingPriceOfItem[68] = 1 ether;
	listedItems.push(68);

	ownerOfItem[69] = owner;
	priceOfItem[69] = 1 ether;
	startingPriceOfItem[69] = 1 ether;
	listedItems.push(69);

	ownerOfItem[70] = owner;
	priceOfItem[70] = 1 ether;
	startingPriceOfItem[70] = 1 ether;
	listedItems.push(70);

	ownerOfItem[71] = owner;
	priceOfItem[71] = 1 ether;
	startingPriceOfItem[71] = 1 ether;
	listedItems.push(71);

	ownerOfItem[72] = owner;
	priceOfItem[72] = 1 ether;
	startingPriceOfItem[72] = 1 ether;
	listedItems.push(72);

	ownerOfItem[73] = owner;
	priceOfItem[73] = 1 ether;
	startingPriceOfItem[73] = 1 ether;
	listedItems.push(73);

	ownerOfItem[74] = owner;
	priceOfItem[74] = 1 ether;
	startingPriceOfItem[74] = 1 ether;
	listedItems.push(74);

	ownerOfItem[75] = owner;
	priceOfItem[75] = 1 ether;
	startingPriceOfItem[75] = 1 ether;
	listedItems.push(75);

	ownerOfItem[76] = owner;
	priceOfItem[76] = 1 ether;
	startingPriceOfItem[76] = 1 ether;
	listedItems.push(76);

	ownerOfItem[77] = owner;
	priceOfItem[77] = 1 ether;
	startingPriceOfItem[77] = 1 ether;
	listedItems.push(77);

	ownerOfItem[78] = owner;
	priceOfItem[78] = 1 ether;
	startingPriceOfItem[78] = 1 ether;
	listedItems.push(78);

	ownerOfItem[79] = owner;
	priceOfItem[79] = 1 ether;
	startingPriceOfItem[79] = 1 ether;
	listedItems.push(79);

	ownerOfItem[80] = owner;
	priceOfItem[80] = 1 ether;
	startingPriceOfItem[80] = 1 ether;
	listedItems.push(80);

	ownerOfItem[81] = owner;
	priceOfItem[81] = 1 ether;
	startingPriceOfItem[81] = 1 ether;
	listedItems.push(81);

	ownerOfItem[82] = owner;
	priceOfItem[82] = 1 ether;
	startingPriceOfItem[82] = 1 ether;
	listedItems.push(82);

	ownerOfItem[83] = owner;
	priceOfItem[83] = 1 ether;
	startingPriceOfItem[83] = 1 ether;
	listedItems.push(83);

	ownerOfItem[84] = owner;
	priceOfItem[84] = 1 ether;
	startingPriceOfItem[84] = 1 ether;
	listedItems.push(84);

	ownerOfItem[85] = owner;
	priceOfItem[85] = 1 ether;
	startingPriceOfItem[85] = 1 ether;
	listedItems.push(85);

	ownerOfItem[86] = owner;
	priceOfItem[86] = 1 ether;
	startingPriceOfItem[86] = 1 ether;
	listedItems.push(86);

	ownerOfItem[87] = owner;
	priceOfItem[87] = 1 ether;
	startingPriceOfItem[87] = 1 ether;
	listedItems.push(87);

	ownerOfItem[88] = owner;
	priceOfItem[88] = 1 ether;
	startingPriceOfItem[88] = 1 ether;
	listedItems.push(88);

	ownerOfItem[89] = owner;
	priceOfItem[89] = 1 ether;
	startingPriceOfItem[89] = 1 ether;
	listedItems.push(89);

	ownerOfItem[90] = owner;
	priceOfItem[90] = 1 ether;
	startingPriceOfItem[90] = 1 ether;
	listedItems.push(90);

	ownerOfItem[91] = owner;
	priceOfItem[91] = 1 ether;
	startingPriceOfItem[91] = 1 ether;
	listedItems.push(91);

	ownerOfItem[92] = owner;
	priceOfItem[92] = 1 ether;
	startingPriceOfItem[92] = 1 ether;
	listedItems.push(92);

	ownerOfItem[93] = owner;
	priceOfItem[93] = 1 ether;
	startingPriceOfItem[93] = 1 ether;
	listedItems.push(93);

	ownerOfItem[94] = owner;
	priceOfItem[94] = 1 ether;
	startingPriceOfItem[94] = 1 ether;
	listedItems.push(94);

	ownerOfItem[95] = owner;
	priceOfItem[95] = 1 ether;
	startingPriceOfItem[95] = 1 ether;
	listedItems.push(95);

	ownerOfItem[96] = owner;
	priceOfItem[96] = 1 ether;
	startingPriceOfItem[96] = 1 ether;
	listedItems.push(96);

	ownerOfItem[97] = owner;
	priceOfItem[97] = 1 ether;
	startingPriceOfItem[97] = 1 ether;
	listedItems.push(97);

	ownerOfItem[98] = owner;
	priceOfItem[98] = 1 ether;
	startingPriceOfItem[98] = 1 ether;
	listedItems.push(98);

	ownerOfItem[99] = owner;
	priceOfItem[99] = 1 ether;
	startingPriceOfItem[99] = 1 ether;
	listedItems.push(99);

	ownerOfItem[100] = owner;
	priceOfItem[100] = 1 ether;
	startingPriceOfItem[100] = 1 ether;
	listedItems.push(100);

	ownerOfItem[101] = owner;
	priceOfItem[101] = 1 ether;
	startingPriceOfItem[101] = 1 ether;
	listedItems.push(101);

	ownerOfItem[102] = owner;
	priceOfItem[102] = 1 ether;
	startingPriceOfItem[102] = 1 ether;
	listedItems.push(102);

	ownerOfItem[103] = owner;
	priceOfItem[103] = 1 ether;
	startingPriceOfItem[103] = 1 ether;
	listedItems.push(103);

	ownerOfItem[104] = owner;
	priceOfItem[104] = 1 ether;
	startingPriceOfItem[104] = 1 ether;
	listedItems.push(104);

	ownerOfItem[105] = owner;
	priceOfItem[105] = 1 ether;
	startingPriceOfItem[105] = 1 ether;
	listedItems.push(105);

	ownerOfItem[106] = owner;
	priceOfItem[106] = 1 ether;
	startingPriceOfItem[106] = 1 ether;
	listedItems.push(106);

	ownerOfItem[107] = owner;
	priceOfItem[107] = 1 ether;
	startingPriceOfItem[107] = 1 ether;
	listedItems.push(107);

	ownerOfItem[108] = owner;
	priceOfItem[108] = 1 ether;
	startingPriceOfItem[108] = 1 ether;
	listedItems.push(108);

	ownerOfItem[109] = owner;
	priceOfItem[109] = 1 ether;
	startingPriceOfItem[109] = 1 ether;
	listedItems.push(109);

	ownerOfItem[110] = owner;
	priceOfItem[110] = 1 ether;
	startingPriceOfItem[110] = 1 ether;
	listedItems.push(110);

	ownerOfItem[111] = owner;
	priceOfItem[111] = 1 ether;
	startingPriceOfItem[111] = 1 ether;
	listedItems.push(111);

	ownerOfItem[112] = owner;
	priceOfItem[112] = 1 ether;
	startingPriceOfItem[112] = 1 ether;
	listedItems.push(112);

	ownerOfItem[113] = owner;
	priceOfItem[113] = 1 ether;
	startingPriceOfItem[113] = 1 ether;
	listedItems.push(113);

	ownerOfItem[114] = owner;
	priceOfItem[114] = 1 ether;
	startingPriceOfItem[114] = 1 ether;
	listedItems.push(114);

  }
}   

interface IItemRegistry {
  function itemsForSaleLimit (uint256 _from, uint256 _take) public view returns (uint256[] _items);
  function ownerOf (uint256 _itemId) public view returns (address _owner);
  function priceOf (uint256 _itemId) public view returns (uint256 _price);
}