// SPDX-License-Identifier: MIT
/**
 * @title NFMCLAIM
 * @author Shahid Ahmed
 * @dev Used for Ethereum NFM CLAIM
 */
pragma solidity ^0.8.0;

pragma solidity ^0.8.0;
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}
pragma solidity ^0.8.0;
abstract contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
    constructor() {
        _transferOwnership(_msgSender());
    }
    function owner() public view virtual returns (address) {
        return _owner;
    }
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}
pragma solidity ^0.8.0;
interface IERC20 {
    function totalSupply() external view returns (uint);
    function balanceOf(address account) external view returns (uint);
    function transfer(address recipient, uint amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint);
    function approve(address spender, uint amount) external returns (bool);
    function transferFrom(address sender, address recipient, uint amount) external returns (bool);
    function burnFrom(address account, uint256 amount) external returns (bool);
    event Transfer(address indexed from, address indexed to, uint value);
    event Approval(address indexed owner, address indexed spender, uint value);
}
pragma solidity ^0.8.0;
library SafeMath {
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b > a) return (false, 0);
            return (true, a - b);
        }
    }
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // benefit is lost if 'b' is also tested.
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a / b);
        }
    }
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            if (b == 0) return (false, 0);
            return (true, a % b);
        }
    }
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return a % b;
    }
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }
    function mod(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}
pragma solidity ^0.8.0;
contract NFMCLAIM is Ownable {
    using SafeMath for uint256;
    IERC20   public  tokenMP3;
    IERC20   public  tokenNFM;
    IERC20   public  newNFM;
    constructor(address _tokenMP3, address _tokenNFM, address _newNFM) {
        tokenMP3 = IERC20(_tokenMP3);
        tokenNFM = IERC20(_tokenNFM);
        newNFM = IERC20(_newNFM);
    }
    function getMP3balance() public view returns (uint256){
        return tokenMP3.balanceOf(msg.sender);
    }
    function getOLDNFMbalance() public view returns (uint256){
        return tokenNFM.balanceOf(msg.sender);
    }
    function claimMP3() external {
        uint256 b = tokenMP3.balanceOf(msg.sender);
        require(b > 0, "YOU_DONT_OWN_MP3");
        tokenMP3.transferFrom(msg.sender, address(this), b);
        newNFM.transfer(msg.sender, b.mul(2));
    }
    function claimNFM() external {
        uint256 b = tokenNFM.balanceOf(msg.sender);
        require(b > 0, "YOU_DONT_OWN_OLD_NFM");
        tokenNFM.transferFrom(msg.sender, address(this), b);
        newNFM.transfer(msg.sender, b);
    }
    function transferStuckMP3(address _to, uint256 _amountInWEI) external onlyOwner{
        tokenMP3.transfer(_to, _amountInWEI);
    }
    function transferStuckOLDNFM(address _to, uint256 _amountInWEI) external onlyOwner{
        tokenNFM.transfer(_to, _amountInWEI);
    }
    function transferStuckNFM(address _to, uint256 _amountInWEI) external onlyOwner{
        newNFM.transfer(_to, _amountInWEI);
    }
}