Contract 0xBFf351c00390C1fb26e06f66b0030078Cb2A76c0 1

/**
 *Submitted for verification at FtmScan.com on 2021-07-03
*/

// SPDX-License-Identifier: GPL-3.0-or-later Or MIT
pragma solidity >=0.8.0 <0.9.0;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) { // payable
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

interface IBrushToken {
    function burn(uint256 _amount) external;
    function balanceOf(address _address) external view returns (uint);
}

interface IERC721 {
    function balanceOf(address _address) external view returns (uint);
}

contract RossStudio is Ownable {

  event NewCost(uint oldCost, uint newCost);
  event NewOfficialNFTDiscount(uint oldDiscount, uint newDiscount);

  uint private playCost_;
  uint public totalBurned;
  IBrushToken public brush;
  uint public officialNFTDiscount; // 0 - 100 (%)
  IERC721 officialNFT;
  
  constructor (address _brush, address _officialNFT) {
    playCost_ = 1 * 10 ** 18; // Default to 1 brush
    brush = IBrushToken(_brush);
    officialNFT = IERC721(_officialNFT);
    officialNFTDiscount = 50; // Default to a 50% discount if holding an Official NFT
  }
  
  function playCostAccount (address _account) external view returns (uint) {
    if (officialNFT.balanceOf(_account) > 0) {
      return discountPlayCost();
    }
    return playCost_;
  }
  
  function playCost () external view returns (uint) {
    return playCost_;
  }
  
  function discountPlayCost () public view returns (uint) {
    return (playCost_ * (100 - officialNFTDiscount)) / 100;
  }
  
  // Pass in 0-100 for the percentage reduction for holding an official NFT
  function setOfficialNFTDiscount (uint _amount) external onlyOwner {
      require (_amount <= 100);
      uint oldDiscount = officialNFTDiscount;
      officialNFTDiscount = _amount;
      
      emit NewOfficialNFTDiscount(oldDiscount, _amount);
  }

  function setPlayCost (uint _amount) external onlyOwner {
      uint oldCost = playCost_;
      playCost_ = _amount;
      
      emit NewCost(oldCost, _amount);
  }
  
  function burn () external {
      totalBurned += brush.balanceOf(address(this));
      brush.burn(brush.balanceOf(address(this)));
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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00000000000000000000000085dec8c4b2680793661bca91a8f129607571863d000000000000000000000000e74b987ee386c98bdaf1f9e32aef27f23f5df8a2

-----Decoded View---------------
Arg [0] : _brush (address): 0x85dec8c4b2680793661bca91a8f129607571863d
Arg [1] : _officialNFT (address): 0xe74b987ee386c98bdaf1f9e32aef27f23f5df8a2

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000085dec8c4b2680793661bca91a8f129607571863d
Arg [1] : 000000000000000000000000e74b987ee386c98bdaf1f9e32aef27f23f5df8a2

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ipfs://d881ad04d40bd0abf5f77ef3de1ff8ba4b61fe40d568e80db4dd790db463a273