{
  "language": "Solidity",
  "sources": {
    "contracts/TRB.sol": {
      "content": "// SPDX-License-Identifier: MIT                                                                               \r\n\r\npragma solidity 0.8.9;\r\n\r\nabstract contract Context {\r\n    function _msgSender() internal view virtual returns (address) {\r\n        return msg.sender;\r\n    }\r\n\r\n    function _msgData() internal view virtual returns (bytes calldata) {\r\n        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691\r\n        return msg.data;\r\n    }\r\n}\r\n\r\ninterface IUniswapV2Pair {\r\n    event Approval(address indexed owner, address indexed spender, uint value);\r\n    event Transfer(address indexed from, address indexed to, uint value);\r\n\r\n    function name() external pure returns (string memory);\r\n    function symbol() external pure returns (string memory);\r\n    function decimals() external pure returns (uint8);\r\n    function totalSupply() external view returns (uint);\r\n    function balanceOf(address owner) external view returns (uint);\r\n    function allowance(address owner, address spender) external view returns (uint);\r\n\r\n    function approve(address spender, uint value) external returns (bool);\r\n    function transfer(address to, uint value) external returns (bool);\r\n    function transferFrom(address from, address to, uint value) external returns (bool);\r\n\r\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\r\n    function PERMIT_TYPEHASH() external pure returns (bytes32);\r\n    function nonces(address owner) external view returns (uint);\r\n\r\n    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;\r\n\r\n    event Mint(address indexed sender, uint amount0, uint amount1);\r\n    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);\r\n    event Swap(\r\n        address indexed sender,\r\n        uint amount0In,\r\n        uint amount1In,\r\n        uint amount0Out,\r\n        uint amount1Out,\r\n        address indexed to\r\n    );\r\n    event Sync(uint112 reserve0, uint112 reserve1);\r\n\r\n    function MINIMUM_LIQUIDITY() external pure returns (uint);\r\n    function factory() external view returns (address);\r\n    function token0() external view returns (address);\r\n    function token1() external view returns (address);\r\n    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);\r\n    function price0CumulativeLast() external view returns (uint);\r\n    function price1CumulativeLast() external view returns (uint);\r\n    function kLast() external view returns (uint);\r\n\r\n    function mint(address to) external returns (uint liquidity);\r\n    function burn(address to) external returns (uint amount0, uint amount1);\r\n    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;\r\n    function skim(address to) external;\r\n    function sync() external;\r\n\r\n    function initialize(address, address) external;\r\n}\r\n\r\ninterface IUniswapV2Factory {\r\n    event PairCreated(address indexed token0, address indexed token1, address pair, uint);\r\n\r\n    function feeTo() external view returns (address);\r\n    function feeToSetter() external view returns (address);\r\n\r\n    function getPair(address tokenA, address tokenB) external view returns (address pair);\r\n    function allPairs(uint) external view returns (address pair);\r\n    function allPairsLength() external view returns (uint);\r\n\r\n    function createPair(address tokenA, address tokenB) external returns (address pair);\r\n\r\n    function setFeeTo(address) external;\r\n    function setFeeToSetter(address) external;\r\n}\r\n\r\ninterface IERC20 {\r\n    /**\r\n     * @dev Returns the amount of tokens in existence.\r\n     */\r\n    function totalSupply() external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Returns the amount of tokens owned by `account`.\r\n     */\r\n    function balanceOf(address account) external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Moves `amount` tokens from the caller's account to `recipient`.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     */\r\n    function transfer(address recipient, uint256 amount) external returns (bool);\r\n\r\n    /**\r\n     * @dev Returns the remaining number of tokens that `spender` will be\r\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\r\n     * zero by default.\r\n     *\r\n     * This value changes when {approve} or {transferFrom} are called.\r\n     */\r\n    function allowance(address owner, address spender) external view returns (uint256);\r\n\r\n    /**\r\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\r\n     * that someone may use both the old and the new allowance by unfortunate\r\n     * transaction ordering. One possible solution to mitigate this race\r\n     * condition is to first reduce the spender's allowance to 0 and set the\r\n     * desired value afterwards:\r\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\r\n     *\r\n     * Emits an {Approval} event.\r\n     */\r\n    function approve(address spender, uint256 amount) external returns (bool);\r\n\r\n    /**\r\n     * @dev Moves `amount` tokens from `sender` to `recipient` using the\r\n     * allowance mechanism. `amount` is then deducted from the caller's\r\n     * allowance.\r\n     *\r\n     * Returns a boolean value indicating whether the operation succeeded.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     */\r\n    function transferFrom(\r\n        address sender,\r\n        address recipient,\r\n        uint256 amount\r\n    ) external returns (bool);\r\n\r\n    /**\r\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\r\n     * another (`to`).\r\n     *\r\n     * Note that `value` may be zero.\r\n     */\r\n    event Transfer(address indexed from, address indexed to, uint256 value);\r\n\r\n    /**\r\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\r\n     * a call to {approve}. `value` is the new allowance.\r\n     */\r\n    event Approval(address indexed owner, address indexed spender, uint256 value);\r\n}\r\n\r\ninterface IERC20Metadata is IERC20 {\r\n    /**\r\n     * @dev Returns the name of the token.\r\n     */\r\n    function name() external view returns (string memory);\r\n\r\n    /**\r\n     * @dev Returns the symbol of the token.\r\n     */\r\n    function symbol() external view returns (string memory);\r\n\r\n    /**\r\n     * @dev Returns the decimals places of the token.\r\n     */\r\n    function decimals() external view returns (uint8);\r\n}\r\n\r\ncontract ERC20 is Context, IERC20, IERC20Metadata {\r\n    using SafeMath for uint256;\r\n\r\n    mapping(address => uint256) private _balances;\r\n\r\n    mapping(address => mapping(address => uint256)) private _allowances;\r\n\r\n    uint256 private _totalSupply;\r\n\r\n    string private _name;\r\n    string private _symbol;\r\n\r\n    /**\r\n     * @dev Sets the values for {name} and {symbol}.\r\n     *\r\n     * The default value of {decimals} is 18. To select a different value for\r\n     * {decimals} you should overload it.\r\n     *\r\n     * All two of these values are immutable: they can only be set once during\r\n     * construction.\r\n     */\r\n    constructor(string memory name_, string memory symbol_) {\r\n        _name = name_;\r\n        _symbol = symbol_;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the name of the token.\r\n     */\r\n    function name() public view virtual override returns (string memory) {\r\n        return _name;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the symbol of the token, usually a shorter version of the\r\n     * name.\r\n     */\r\n    function symbol() public view virtual override returns (string memory) {\r\n        return _symbol;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the number of decimals used to get its user representation.\r\n     * For example, if `decimals` equals `2`, a balance of `505` tokens should\r\n     * be displayed to a user as `5,05` (`505 / 10 ** 2`).\r\n     *\r\n     * Tokens usually opt for a value of 18, imitating the relationship between\r\n     * Ether and Wei. This is the value {ERC20} uses, unless this function is\r\n     * overridden;\r\n     *\r\n     * NOTE: This information is only used for _display_ purposes: it in\r\n     * no way affects any of the arithmetic of the contract, including\r\n     * {IERC20-balanceOf} and {IERC20-transfer}.\r\n     */\r\n    function decimals() public view virtual override returns (uint8) {\r\n        return 18;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-totalSupply}.\r\n     */\r\n    function totalSupply() public view virtual override returns (uint256) {\r\n        return _totalSupply;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-balanceOf}.\r\n     */\r\n    function balanceOf(address account) public view virtual override returns (uint256) {\r\n        return _balances[account];\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-transfer}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `recipient` cannot be the zero address.\r\n     * - the caller must have a balance of at least `amount`.\r\n     */\r\n    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {\r\n        _transfer(_msgSender(), recipient, amount);\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-allowance}.\r\n     */\r\n    function allowance(address owner, address spender) public view virtual override returns (uint256) {\r\n        return _allowances[owner][spender];\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-approve}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `spender` cannot be the zero address.\r\n     */\r\n    function approve(address spender, uint256 amount) public virtual override returns (bool) {\r\n        _approve(_msgSender(), spender, amount);\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev See {IERC20-transferFrom}.\r\n     *\r\n     * Emits an {Approval} event indicating the updated allowance. This is not\r\n     * required by the EIP. See the note at the beginning of {ERC20}.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `sender` and `recipient` cannot be the zero address.\r\n     * - `sender` must have a balance of at least `amount`.\r\n     * - the caller must have allowance for ``sender``'s tokens of at least\r\n     * `amount`.\r\n     */\r\n    function transferFrom(\r\n        address sender,\r\n        address recipient,\r\n        uint256 amount\r\n    ) public virtual override returns (bool) {\r\n        _transfer(sender, recipient, amount);\r\n        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, \"ERC20: transfer amount exceeds allowance\"));\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev Atomically increases the allowance granted to `spender` by the caller.\r\n     *\r\n     * This is an alternative to {approve} that can be used as a mitigation for\r\n     * problems described in {IERC20-approve}.\r\n     *\r\n     * Emits an {Approval} event indicating the updated allowance.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `spender` cannot be the zero address.\r\n     */\r\n    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\r\n        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev Atomically decreases the allowance granted to `spender` by the caller.\r\n     *\r\n     * This is an alternative to {approve} that can be used as a mitigation for\r\n     * problems described in {IERC20-approve}.\r\n     *\r\n     * Emits an {Approval} event indicating the updated allowance.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `spender` cannot be the zero address.\r\n     * - `spender` must have allowance for the caller of at least\r\n     * `subtractedValue`.\r\n     */\r\n    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\r\n        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, \"ERC20: decreased allowance below zero\"));\r\n        return true;\r\n    }\r\n\r\n    /**\r\n     * @dev Moves tokens `amount` from `sender` to `recipient`.\r\n     *\r\n     * This is internal function is equivalent to {transfer}, and can be used to\r\n     * e.g. implement automatic token fees, slashing mechanisms, etc.\r\n     *\r\n     * Emits a {Transfer} event.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `sender` cannot be the zero address.\r\n     * - `recipient` cannot be the zero address.\r\n     * - `sender` must have a balance of at least `amount`.\r\n     */\r\n    function _transfer(\r\n        address sender,\r\n        address recipient,\r\n        uint256 amount\r\n    ) internal virtual {\r\n        require(sender != address(0), \"ERC20: transfer from the zero address\");\r\n        require(recipient != address(0), \"ERC20: transfer to the zero address\");\r\n\r\n        _beforeTokenTransfer(sender, recipient, amount);\r\n\r\n        _balances[sender] = _balances[sender].sub(amount, \"ERC20: transfer amount exceeds balance\");\r\n        _balances[recipient] = _balances[recipient].add(amount);\r\n        emit Transfer(sender, recipient, amount);\r\n    }\r\n\r\n    /** @dev Creates `amount` tokens and assigns them to `account`, increasing\r\n     * the total supply.\r\n     *\r\n     * Emits a {Transfer} event with `from` set to the zero address.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `account` cannot be the zero address.\r\n     */\r\n    function _mint(address account, uint256 amount) internal virtual {\r\n        require(account != address(0), \"ERC20: mint to the zero address\");\r\n\r\n        _beforeTokenTransfer(address(0), account, amount);\r\n\r\n        _totalSupply = _totalSupply.add(amount);\r\n        _balances[account] = _balances[account].add(amount);\r\n        emit Transfer(address(0), account, amount);\r\n    }\r\n\r\n    /**\r\n     * @dev Destroys `amount` tokens from `account`, reducing the\r\n     * total supply.\r\n     *\r\n     * Emits a {Transfer} event with `to` set to the zero address.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `account` cannot be the zero address.\r\n     * - `account` must have at least `amount` tokens.\r\n     */\r\n    function _burn(address account, uint256 amount) internal virtual {\r\n        require(account != address(0), \"ERC20: burn from the zero address\");\r\n\r\n        _beforeTokenTransfer(account, address(0), amount);\r\n\r\n        _balances[account] = _balances[account].sub(amount, \"ERC20: burn amount exceeds balance\");\r\n        _totalSupply = _totalSupply.sub(amount);\r\n        emit Transfer(account, address(0), amount);\r\n    }\r\n\r\n    /**\r\n     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\r\n     *\r\n     * This internal function is equivalent to `approve`, and can be used to\r\n     * e.g. set automatic allowances for certain subsystems, etc.\r\n     *\r\n     * Emits an {Approval} event.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - `owner` cannot be the zero address.\r\n     * - `spender` cannot be the zero address.\r\n     */\r\n    function _approve(\r\n        address owner,\r\n        address spender,\r\n        uint256 amount\r\n    ) internal virtual {\r\n        require(owner != address(0), \"ERC20: approve from the zero address\");\r\n        require(spender != address(0), \"ERC20: approve to the zero address\");\r\n\r\n        _allowances[owner][spender] = amount;\r\n        emit Approval(owner, spender, amount);\r\n    }\r\n\r\n    /**\r\n     * @dev Hook that is called before any transfer of tokens. This includes\r\n     * minting and burning.\r\n     *\r\n     * Calling conditions:\r\n     *\r\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\r\n     * will be to transferred to `to`.\r\n     * - when `from` is zero, `amount` tokens will be minted for `to`.\r\n     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\r\n     * - `from` and `to` are never both zero.\r\n     *\r\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\r\n     */\r\n    function _beforeTokenTransfer(\r\n        address from,\r\n        address to,\r\n        uint256 amount\r\n    ) internal virtual {}\r\n}\r\n\r\nlibrary SafeMath {\r\n    /**\r\n     * @dev Returns the addition of two unsigned integers, reverting on\r\n     * overflow.\r\n     *\r\n     * Counterpart to Solidity's `+` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Addition cannot overflow.\r\n     */\r\n    function add(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        uint256 c = a + b;\r\n        require(c >= a, \"SafeMath: addition overflow\");\r\n\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the subtraction of two unsigned integers, reverting on\r\n     * overflow (when the result is negative).\r\n     *\r\n     * Counterpart to Solidity's `-` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Subtraction cannot overflow.\r\n     */\r\n    function sub(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        return sub(a, b, \"SafeMath: subtraction overflow\");\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on\r\n     * overflow (when the result is negative).\r\n     *\r\n     * Counterpart to Solidity's `-` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Subtraction cannot overflow.\r\n     */\r\n    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r\n        require(b <= a, errorMessage);\r\n        uint256 c = a - b;\r\n\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the multiplication of two unsigned integers, reverting on\r\n     * overflow.\r\n     *\r\n     * Counterpart to Solidity's `*` operator.\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - Multiplication cannot overflow.\r\n     */\r\n    function mul(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the\r\n        // benefit is lost if 'b' is also tested.\r\n        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522\r\n        if (a == 0) {\r\n            return 0;\r\n        }\r\n\r\n        uint256 c = a * b;\r\n        require(c / a == b, \"SafeMath: multiplication overflow\");\r\n\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the integer division of two unsigned integers. Reverts on\r\n     * division by zero. The result is rounded towards zero.\r\n     *\r\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\r\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\r\n     * uses an invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function div(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        return div(a, b, \"SafeMath: division by zero\");\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on\r\n     * division by zero. The result is rounded towards zero.\r\n     *\r\n     * Counterpart to Solidity's `/` operator. Note: this function uses a\r\n     * `revert` opcode (which leaves remaining gas untouched) while Solidity\r\n     * uses an invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r\n        require(b > 0, errorMessage);\r\n        uint256 c = a / b;\r\n        // assert(a == b * c + a % b); // There is no case in which this doesn't hold\r\n\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\r\n     * Reverts when dividing by zero.\r\n     *\r\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\r\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\r\n     * invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function mod(uint256 a, uint256 b) internal pure returns (uint256) {\r\n        return mod(a, b, \"SafeMath: modulo by zero\");\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),\r\n     * Reverts with custom message when dividing by zero.\r\n     *\r\n     * Counterpart to Solidity's `%` operator. This function uses a `revert`\r\n     * opcode (which leaves remaining gas untouched) while Solidity uses an\r\n     * invalid opcode to revert (consuming all remaining gas).\r\n     *\r\n     * Requirements:\r\n     *\r\n     * - The divisor cannot be zero.\r\n     */\r\n    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {\r\n        require(b != 0, errorMessage);\r\n        return a % b;\r\n    }\r\n}\r\n\r\ncontract Ownable is Context {\r\n    address private _owner;\r\n\r\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\r\n    \r\n    /**\r\n     * @dev Initializes the contract setting the deployer as the initial owner.\r\n     */\r\n    constructor () {\r\n        address msgSender = _msgSender();\r\n        _owner = msgSender;\r\n        emit OwnershipTransferred(address(0), msgSender);\r\n    }\r\n\r\n    /**\r\n     * @dev Returns the address of the current owner.\r\n     */\r\n    function owner() public view returns (address) {\r\n        return _owner;\r\n    }\r\n\r\n    /**\r\n     * @dev Throws if called by any account other than the owner.\r\n     */\r\n    modifier onlyOwner() {\r\n        require(_owner == _msgSender(), \"Ownable: caller is not the owner\");\r\n        _;\r\n    }\r\n\r\n    /**\r\n     * @dev Leaves the contract without owner. It will not be possible to call\r\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\r\n     *\r\n     * NOTE: Renouncing ownership will leave the contract without an owner,\r\n     * thereby removing any functionality that is only available to the owner.\r\n     */\r\n    function renounceOwnership() public virtual onlyOwner {\r\n        emit OwnershipTransferred(_owner, address(0));\r\n        _owner = address(0);\r\n    }\r\n\r\n    /**\r\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\r\n     * Can only be called by the current owner.\r\n     */\r\n    function transferOwnership(address newOwner) public virtual onlyOwner {\r\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\r\n        emit OwnershipTransferred(_owner, newOwner);\r\n        _owner = newOwner;\r\n    }\r\n}\r\n\r\n\r\nlibrary SafeMathInt {\r\n    int256 private constant MIN_INT256 = int256(1) << 255;\r\n    int256 private constant MAX_INT256 = ~(int256(1) << 255);\r\n\r\n    /**\r\n     * @dev Multiplies two int256 variables and fails on overflow.\r\n     */\r\n    function mul(int256 a, int256 b) internal pure returns (int256) {\r\n        int256 c = a * b;\r\n\r\n        // Detect overflow when multiplying MIN_INT256 with -1\r\n        require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));\r\n        require((b == 0) || (c / b == a));\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Division of two int256 variables and fails on overflow.\r\n     */\r\n    function div(int256 a, int256 b) internal pure returns (int256) {\r\n        // Prevent overflow when dividing MIN_INT256 by -1\r\n        require(b != -1 || a != MIN_INT256);\r\n\r\n        // Solidity already throws when dividing by 0.\r\n        return a / b;\r\n    }\r\n\r\n    /**\r\n     * @dev Subtracts two int256 variables and fails on overflow.\r\n     */\r\n    function sub(int256 a, int256 b) internal pure returns (int256) {\r\n        int256 c = a - b;\r\n        require((b >= 0 && c <= a) || (b < 0 && c > a));\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Adds two int256 variables and fails on overflow.\r\n     */\r\n    function add(int256 a, int256 b) internal pure returns (int256) {\r\n        int256 c = a + b;\r\n        require((b >= 0 && c >= a) || (b < 0 && c < a));\r\n        return c;\r\n    }\r\n\r\n    /**\r\n     * @dev Converts to absolute value, and fails on overflow.\r\n     */\r\n    function abs(int256 a) internal pure returns (int256) {\r\n        require(a != MIN_INT256);\r\n        return a < 0 ? -a : a;\r\n    }\r\n\r\n    function toUint256Safe(int256 a) internal pure returns (uint256) {\r\n        require(a >= 0);\r\n        return uint256(a);\r\n    }\r\n}\r\n\r\nlibrary SafeMathUint {\r\n  function toInt256Safe(uint256 a) internal pure returns (int256) {\r\n    int256 b = int256(a);\r\n    require(b >= 0);\r\n    return b;\r\n  }\r\n}\r\n\r\ninterface IUniswapV2Router01 {\r\n    function factory() external pure returns (address);\r\n    function WETH() external pure returns (address);\r\n\r\n    function addLiquidity(\r\n        address tokenA,\r\n        address tokenB,\r\n        uint amountADesired,\r\n        uint amountBDesired,\r\n        uint amountAMin,\r\n        uint amountBMin,\r\n        address to,\r\n        uint deadline\r\n    ) external returns (uint amountA, uint amountB, uint liquidity);\r\n    function addLiquidityETH(\r\n        address token,\r\n        uint amountTokenDesired,\r\n        uint amountTokenMin,\r\n        uint amountETHMin,\r\n        address to,\r\n        uint deadline\r\n    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);\r\n    function removeLiquidity(\r\n        address tokenA,\r\n        address tokenB,\r\n        uint liquidity,\r\n        uint amountAMin,\r\n        uint amountBMin,\r\n        address to,\r\n        uint deadline\r\n    ) external returns (uint amountA, uint amountB);\r\n    function removeLiquidityETH(\r\n        address token,\r\n        uint liquidity,\r\n        uint amountTokenMin,\r\n        uint amountETHMin,\r\n        address to,\r\n        uint deadline\r\n    ) external returns (uint amountToken, uint amountETH);\r\n    function removeLiquidityWithPermit(\r\n        address tokenA,\r\n        address tokenB,\r\n        uint liquidity,\r\n        uint amountAMin,\r\n        uint amountBMin,\r\n        address to,\r\n        uint deadline,\r\n        bool approveMax, uint8 v, bytes32 r, bytes32 s\r\n    ) external returns (uint amountA, uint amountB);\r\n    function removeLiquidityETHWithPermit(\r\n        address token,\r\n        uint liquidity,\r\n        uint amountTokenMin,\r\n        uint amountETHMin,\r\n        address to,\r\n        uint deadline,\r\n        bool approveMax, uint8 v, bytes32 r, bytes32 s\r\n    ) external returns (uint amountToken, uint amountETH);\r\n    function swapExactTokensForTokens(\r\n        uint amountIn,\r\n        uint amountOutMin,\r\n        address[] calldata path,\r\n        address to,\r\n        uint deadline\r\n    ) external returns (uint[] memory amounts);\r\n    function swapTokensForExactTokens(\r\n        uint amountOut,\r\n        uint amountInMax,\r\n        address[] calldata path,\r\n        address to,\r\n        uint deadline\r\n    ) external returns (uint[] memory amounts);\r\n    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)\r\n        external\r\n        payable\r\n        returns (uint[] memory amounts);\r\n    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)\r\n        external\r\n        returns (uint[] memory amounts);\r\n    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)\r\n        external\r\n        returns (uint[] memory amounts);\r\n    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)\r\n        external\r\n        payable\r\n        returns (uint[] memory amounts);\r\n\r\n    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);\r\n    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);\r\n    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);\r\n    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);\r\n    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);\r\n}\r\n\r\ninterface IUniswapV2Router02 is IUniswapV2Router01 {\r\n    function removeLiquidityETHSupportingFeeOnTransferTokens(\r\n        address token,\r\n        uint liquidity,\r\n        uint amountTokenMin,\r\n        uint amountETHMin,\r\n        address to,\r\n        uint deadline\r\n    ) external returns (uint amountETH);\r\n    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(\r\n        address token,\r\n        uint liquidity,\r\n        uint amountTokenMin,\r\n        uint amountETHMin,\r\n        address to,\r\n        uint deadline,\r\n        bool approveMax, uint8 v, bytes32 r, bytes32 s\r\n    ) external returns (uint amountETH);\r\n\r\n    function swapExactTokensForTokensSupportingFeeOnTransferTokens(\r\n        uint amountIn,\r\n        uint amountOutMin,\r\n        address[] calldata path,\r\n        address to,\r\n        uint deadline\r\n    ) external;\r\n    function swapExactETHForTokensSupportingFeeOnTransferTokens(\r\n        uint amountOutMin,\r\n        address[] calldata path,\r\n        address to,\r\n        uint deadline\r\n    ) external payable;\r\n    function swapExactTokensForETHSupportingFeeOnTransferTokens(\r\n        uint amountIn,\r\n        uint amountOutMin,\r\n        address[] calldata path,\r\n        address to,\r\n        uint deadline\r\n    ) external;\r\n}                                                                               \r\n                                                    \r\npragma solidity 0.8.9;\r\n\r\ncontract TheRedButton is ERC20, Ownable {\r\n    using SafeMath for uint256;\r\n\r\n    IUniswapV2Router02 public immutable uniswapV2Router;\r\n    address public immutable uniswapV2Pair;\r\n    address public burn = 0x000000000000000000000000000000000000dEaD;\r\n    bool private swapping;\r\n    address public marketingWallet;\r\n    bool public lpBurnEnabled = true;\r\n    bool public limitsInEffect = true;\r\n    bool public tradingActive = false;\r\n    bool public swapEnabled = false;\r\n    uint256 public buyTotalFees;\r\n    uint256 public buyMarketingFee;\r\n    uint256 public sellTotalFees;\r\n    uint256 public sellMarketingFee;\r\n    uint256 public tokensForMarketing;\r\n    uint256 public nextPush;\r\n    uint256 public maxSupply;\r\n    // uint256 _totalSupply = maxSupply;\r\n    bool private _buttonActive = false;\r\n\r\n    Presser[] public pressers;\r\n\r\n    struct Presser {\r\n        address wallet;\r\n        uint256 timestamp;\r\n        uint256 amountBurnt;\r\n        uint256 amountRecieved;\r\n    }\r\n    /******************/\r\n\r\n    // exlcude from fees and max transaction amount\r\n    mapping (address => bool) private _isExcludedFromFees;\r\n\r\n    // store addresses that a automatic market maker pairs. Any transfer *to* these addresses\r\n    // could be subject to a maximum transfer amount\r\n    mapping (address => bool) public automatedMarketMakerPairs;\r\n\r\n    event UpdateUniswapV2Router(address indexed newAddress, address indexed oldAddress);\r\n    event ExcludeFromFees(address indexed account, bool isExcluded);\r\n    event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);\r\n    event marketingWalletUpdated(address indexed newWallet, address indexed oldWallet);\r\n    event SwapAndLiquify(\r\n        uint256 tokensSwapped,\r\n        uint256 ETHReceived,\r\n        uint256 tokensIntoLiquidity\r\n    );  \r\n    event RedButton(uint256 Presser, uint256 Burned);\r\n\r\n    constructor() ERC20(\"The Red Button\", unicode\"TRB\") {\r\n        // ETH MainNet\r\n        IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);\r\n        uniswapV2Router = _uniswapV2Router;\r\n        uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());\r\n        _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);\r\n        uint256 _buyMarketingFee = 1;\r\n        uint256 _sellMarketingFee = 1;\r\n        maxSupply = 1 * 1e15 * 1e18; \r\n        buyMarketingFee = _buyMarketingFee;\r\n        buyTotalFees = buyMarketingFee;\r\n        sellMarketingFee = _sellMarketingFee;\r\n        sellTotalFees = sellMarketingFee;\r\n        marketingWallet = address(owner()); // set as marketing wallet\r\n        excludeFromFees(owner(), true);\r\n        excludeFromFees(address(this), true);\r\n        excludeFromFees(address(0xdead), true);        \r\n        /*\r\n            _mint is an internal function in ERC20.sol that is only called here,\r\n            and CANNOT be called ever again\r\n        */\r\n        _mint(msg.sender, maxSupply);\r\n    }\r\n\r\n    function currentSupply() public view returns(uint256){\r\n        uint256 burntTokens = this.balanceOf(burn);\r\n        return totalSupply() - burntTokens;\r\n    }\r\n\r\n    function currentTime()public view returns(uint256){\r\n        return block.timestamp / 1 seconds;\r\n    }\r\n\r\n    function _generateRandomNumber(\r\n        uint256 min,\r\n        uint256 max,\r\n        uint256 helper\r\n    ) private view returns (uint256) {\r\n        uint256 rand = address(burn).balance;\r\n        uint256 generated = uint256(\r\n            keccak256(\r\n                abi.encodePacked(\r\n                    block.difficulty,\r\n                    block.timestamp,\r\n                    helper,\r\n                    min,\r\n                    max,\r\n                    rand\r\n                )\r\n            )\r\n        );\r\n        uint256 result = (generated % (max + 1 - min)) + min;\r\n        return result;\r\n    }\r\n\r\n    function getRandomTimer()private view returns(uint256){\r\n       return _generateRandomNumber(3600, 14400, balanceOf(address(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2)));\r\n    }\r\n\r\n    function setNewTimer() private {\r\n       nextPush = (block.timestamp / 1 seconds) + getRandomTimer();\r\n    }\r\n\r\n    function swapTokensAtAmount() public view returns(uint256){\r\n        return currentSupply() * 1 / 10000;\r\n    }\r\n\r\n    function holdAmount() public view returns(uint256){\r\n        return currentSupply() * 1 / 1000;\r\n    }\r\n\r\n    function presserLength() public view returns(uint256){\r\n        return pressers.length;\r\n    }\r\n\r\n    function canPush() public view returns(bool){\r\n        if(_buttonActive){\r\n            uint256 current = block.timestamp / 1 seconds;\r\n            if(current < nextPush){\r\n                return false;\r\n            }\r\n            return true;\r\n            }\r\n        return false;\r\n    }\r\n\r\n    function getPercent() private view returns(uint256){\r\n        return _generateRandomNumber(10,25,balanceOf(address(0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2)));\r\n    }\r\n\r\n    receive() external payable {\r\n\r\n    }\r\n\r\n    // once enabled, can never be turned off\r\n    function enableTrading() external onlyOwner {\r\n        tradingActive = true;\r\n        swapEnabled = true;\r\n    }\r\n    \r\n    // remove limits after token is stable\r\n    function removeLimits() external onlyOwner returns (bool){\r\n        limitsInEffect = false;\r\n        return true;\r\n    }\r\n\r\n    function activateButton() public onlyOwner{\r\n        _buttonActive = true;\r\n    }\r\n\r\n    function excludeFromFees(address account, bool excluded) public onlyOwner {\r\n        _isExcludedFromFees[account] = excluded;\r\n        emit ExcludeFromFees(account, excluded);\r\n    }\r\n\r\n    function _setAutomatedMarketMakerPair(address pair, bool value) private {\r\n        automatedMarketMakerPairs[pair] = value;\r\n        emit SetAutomatedMarketMakerPair(pair, value);\r\n    }\r\n\r\n    function updateMarketingWallet(address newMarketingWallet) external onlyOwner {\r\n        emit marketingWalletUpdated(newMarketingWallet, marketingWallet);\r\n        marketingWallet = newMarketingWallet;\r\n    }\r\n\r\n    function isExcludedFromFees(address account) public view returns(bool) {\r\n        return _isExcludedFromFees[account];\r\n    }\r\n    \r\n    // event BoughtEarly(address indexed sniper);\r\n\r\n    function _transfer(\r\n        address from,\r\n        address to,\r\n        uint256 amount\r\n    ) internal override {\r\n        require(from != address(0), \"ERC20: transfer from the zero address\");\r\n        require(to != address(0), \"ERC20: transfer to the zero address\");      \r\n        if(amount == 0) {\r\n            super._transfer(from, to, 0);\r\n            return;\r\n        }\r\n        if(limitsInEffect){\r\n            if (\r\n                from != owner() &&\r\n                to != owner() &&\r\n                to != address(0) &&\r\n                to != address(0xdead) &&\r\n                !swapping\r\n            ){\r\n                if(!tradingActive){\r\n                    require(_isExcludedFromFees[from] || _isExcludedFromFees[to], \"Trading is not active.\");\r\n                }\r\n            }\r\n        }\r\n        \r\n        uint256 contractTokenBalance = balanceOf(address(this));\r\n        bool canSwap = contractTokenBalance >= swapTokensAtAmount();\r\n\r\n        if( \r\n            canSwap &&\r\n            swapEnabled &&\r\n            !swapping &&\r\n            !automatedMarketMakerPairs[from] &&\r\n            !_isExcludedFromFees[from] &&\r\n            !_isExcludedFromFees[to]\r\n        ) {\r\n            swapping = true;\r\n            swapBack();\r\n            swapping = false;\r\n        }\r\n        bool takeFee = !swapping;\r\n\r\n        // if any account belongs to _isExcludedFromFee account then remove the fee\r\n        if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) {\r\n            takeFee = false;\r\n        }\r\n        \r\n        uint256 fees = 0;\r\n        // only take fees on buys/sells, do not take on wallet transfers\r\n        if(takeFee){\r\n            // on sell\r\n            if (automatedMarketMakerPairs[to] && sellTotalFees > 0){\r\n                fees = amount.mul(sellTotalFees).div(100);\r\n                tokensForMarketing += fees * sellMarketingFee / sellTotalFees;\r\n            }\r\n            // on buy\r\n            else if(automatedMarketMakerPairs[from] && buyTotalFees > 0) {\r\n                fees = amount.mul(buyTotalFees).div(100);\r\n                tokensForMarketing += fees * buyMarketingFee / buyTotalFees;\r\n            }\r\n            if(fees > 0){    \r\n                super._transfer(from, address(this), fees);\r\n            }\r\n            amount -= fees;\r\n        }\r\n        super._transfer(from, to, amount);\r\n    }\r\n\r\n    function swapTokensForETH(uint256 tokenAmount) private {\r\n        // generate the uniswap pair path of token -> WETH\r\n        address[] memory path = new address[](2);\r\n        path[0] = address(this);\r\n        path[1] = uniswapV2Router.WETH();\r\n        _approve(address(this), address(uniswapV2Router), tokenAmount);\r\n        // make the swap\r\n        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(\r\n            tokenAmount,\r\n            0, // accept any amount of ETH\r\n            path,\r\n            marketingWallet,\r\n            block.timestamp\r\n        );\r\n        \r\n    }\r\n\r\n    function swapBack() private {\r\n        uint256 contractBalance = balanceOf(address(this));\r\n        uint256 totalTokensToSwap =  contractBalance;\r\n        bool success;\r\n        if(contractBalance == 0 || totalTokensToSwap == 0) {return;}\r\n        if(contractBalance > swapTokensAtAmount() * 20){\r\n          contractBalance = swapTokensAtAmount() * 20;\r\n        }\r\n        swapTokensForETH(totalTokensToSwap); \r\n        tokensForMarketing = 0;\r\n        (success,) = address(marketingWallet).call{value: address(this).balance}(\"\");\r\n    }\r\n    \r\n   \r\n    function theRedButton() external returns (uint256, uint256){\r\n            uint256 balance = this.balanceOf(msg.sender);\r\n            require(canPush(), \"Must wait for cooldown to finish\");\r\n            require(balance > holdAmount(), \"You dont hold the Minimum amount of Tokens to do this\");\r\n            nextPush = block.timestamp;\r\n            // get balance of liquidity pair\r\n            uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);\r\n            // calculate amount to burn\r\n            uint256 totalPulled = liquidityPairBalance.mul(getPercent()).div(1000);\r\n            uint256 amountForPush = totalPulled / 4;\r\n            uint256 amountToBurn = totalPulled - amountForPush;\r\n            // pull tokens from pancakePair liquidity and move to dead address permanently\r\n            if (amountToBurn > 0){\r\n                super._transfer(uniswapV2Pair, msg.sender, amountForPush);\r\n                super._transfer(uniswapV2Pair, burn, amountToBurn);\r\n                Presser memory thisPresser = Presser({\r\n                    wallet: msg.sender,\r\n                    timestamp: block.timestamp / 1 seconds,\r\n                    amountBurnt: amountToBurn - amountForPush,\r\n                    amountRecieved: amountForPush\r\n                });\r\n                pressers.push(thisPresser);  \r\n            }\r\n            //sync price since this is not in a swap transaction!\r\n            IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);\r\n            pair.sync();\r\n            emit RedButton(amountForPush, amountToBurn);\r\n            // Set next Button push Time\r\n            setNewTimer();\r\n            return (amountForPush, amountToBurn);\r\n    } \r\n}"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    }
  }
}