{{ "language": "Solidity", "sources": { "contracts/Caesars.sol": { "content": "/**\r\n *Submitted for verification at Etherscan.io on 2023-04-19\r\n*/\r\n\r\n// SPDX-License-Identifier: MIT \r\npragma solidity ^0.8.17;\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 * transacgtion 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\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\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\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\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\n\r\n/*\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣠⢀⠀⢄⢀⡀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡀⠤⢶⠕⠎⡖⠽⣪⢧⡣⣇⡇⡆⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⢄⢄⠢⡐⡠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡠⢊⡂⡕⡽⣷⣿⡝⡞⡜⢹⣳⣻⣛⣦⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⢄⢕⢸⢐⢔⢑⢌⢂⠢⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢐⢙⢊⢇⣓⣟⣾⣺⣽⡽⣟⣾⣲⣪⣯⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢔⢌⠢⠢⡑⢌⠎⢔⢐⠡⡊⠔⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠕⢑⢁⠬⠘⢜⢞⣷⣻⢮⡿⣿⣿⣿⣽⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢌⢆⠢⠣⡑⡜⡡⢊⢂⠆⢕⠌⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⡧⡗⢷⣷⣿⣽⡷⣿⣮⣳⣻⣻⣷⣯⣿⢿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⡑⠕⠅⢕⢐⠨⡐⢔⠡⠑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⡣⣿⣺⡓⢷⣙⣜⣾⣾⣷⣿⣷⡿⣟⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⢈⢎⢎⢇⢆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠑⠕⢅⠢⠑⠌⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⢼⣯⣗⢯⣳⣟⡾⣿⣻⣾⣿⢽⣿⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠁⠾⠨⠪⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠨⣪⣯⢶⢮⣟⣿⣻⡿⣿⢾⣿⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⠲⠻⡽⣯⣿⢷⢿⣻⣿⣿⠅⠀⠀⠀⡀⡂⠌⢐⢀⠂⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⠄⠀⠀⠀⠀⠀⠀⠐⢯⢻⣻⢽⢾⣻⣽⣿⣯⣿⠁⠀⡠⠊⠔⠐⡁⢕⢐⢐⠠⠁⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢒⢕⠄⡚⠜⠯⠦⣠⢀⢀⢀⢄⢂⠅⢇⢾⣽⣝⣿⣻⡿⣾⣿⡴⡄⡇⣌⣢⠂⠐⠄⢈⠆⡊⠄⠡⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⢀⠀⠀⠀⠀⠀⠰⡪⣞⡭⠦⢦⣦⣫⢕⡦⢹⢪⢎⢧⡳⣝⣈⠽⣽⣾⣾⣻⢯⣿⣿⣿⣿⢿⣿⢾⣧⣀⢢⠀⢑⠄⠅⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⡐⡑⢌⢲⡠⡀⠀⡠⡪⣪⡵⡚⡏⡝⡆⡮⢝⢏⠨⢊⡨⣕⡞⣞⢾⢽⣳⣟⣿⢾⢽⣿⣿⣿⢿⣿⣟⣯⣿⢽⣾⣜⠀⠅⠈⠀⡠⢐⢐⢐⠡⠡⠑⠨⠠⢂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠔⡑⢄⢌⠢⡑⢜⢎⢎⠯⡾⢣⢑⡅⠃⢈⡪⡮⣣⢳⣕⣕⢯⠷⣟⣼⣹⣳⣳⢯⣟⡿⡾⣿⣽⢾⣿⣻⣽⣞⣽⢯⡿⡽⡕⠀⡐⡡⠂⢅⢂⢆⢊⠆⡣⡑⠕⢔⢨⢀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡰⡁⡨⠨⡀⡢⡁⢔⡱⣝⣕⢧⢕⢁⠆⢀⢐⠜⡸⢸⡼⡯⡾⣝⣿⣿⣿⢷⣗⣗⡜⣝⣳⣛⣟⢧⣻⡽⣞⡿⡷⣧⢻⣗⣿⣻⡖⡐⡐⡐⢅⢃⠆⡢⢑⢌⠢⡨⢊⠢⡑⢅⠢⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠑⡌⡢⡑⢈⠢⣊⡮⡯⣗⡯⣯⡳⣕⣾⣕⣕⣘⣠⣻⢽⡯⣫⣿⣽⣺⣺⣳⡙⡊⢯⠿⣳⡷⡷⣿⡻⣝⡏⣞⡿⡽⡸⣷⡯⣷⢑⢐⠰⠡⡑⡐⢅⢜⢌⠪⡐⠌⠔⡡⠨⡂⢇⠅⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢢⡪⣰⢵⢯⢯⢯⢓⣯⣣⣻⡺⣿⣿⣿⣿⣿⣾⣽⣝⡿⣞⣞⣞⣾⢾⢼⣴⣶⢿⢽⣯⢿⡽⣻⢿⣿⣿⡿⣿⡏⣿⢽⣿⡔⢐⠅⢕⢐⢌⢪⣢⡡⠣⡨⡨⡊⠄⠕⡨⡪⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠻⡽⡧⡯⡯⣗⣗⡷⡱⣹⣿⣿⣽⣿⢿⣻⣿⣿⣿⣷⣷⢷⢝⢕⣗⢝⣞⠽⣜⣞⢷⢽⣻⢽⡺⣳⡿⣗⣗⣿⡝⣾⢗⠐⢅⠅⡢⠢⡑⡆⡕⡱⡘⠔⢌⠌⡌⡆⠅⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⢀⢀⠀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠈⡹⡽⣝⡷⡟⡜⣽⡿⡯⣟⢾⣻⣻⣿⣿⣿⣽⣿⣻⣽⣺⡪⣮⣳⣳⣻⣞⡜⢸⢷⣻⡷⡿⣯⢯⢳⡱⣽⣗⣯⣣⣧⡑⠌⢔⠡⡊⢜⠸⡐⢜⠨⢢⠱⠨⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⢄⠐⢁⠀⠂⡆⠅⠄⢂⠀⠀⠀⠀⠀⠀⠀⣸⢫⢯⢧⡿⡹⣹⣿⢿⣪⣳⢹⣺⣽⣽⣿⣿⢿⣿⣿⣞⣾⢽⣺⠺⣺⣞⣿⣿⣿⣯⣿⣿⣽⣾⣿⢼⢞⣟⡯⣟⣯⣟⣿⣮⣐⡡⠨⢂⠕⠌⡂⠕⠁⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⡐⠡⡂⠂⡠⠀⢘⢄⢑⠨⠠⠀⠀⠀⠀⠀⠀⢐⡏⣮⣻⣺⢯⣳⣿⣏⢪⢲⢎⣾⢮⢷⣿⣿⣻⢽⣳⡻⣻⣟⣿⣽⡿⣿⣽⣾⣿⣽⣿⣿⡿⣷⣿⣿⣿⣿⣽⣻⣾⣷⣯⣿⣽⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠠⠡⡑⢈⠀⠠⢄⢃⢂⠔⡅⠅⠁⠀⠀⠀⠀⠈⠻⠮⣾⣺⣺⢱⣯⡷⢁⣳⣱⡫⡯⣷⣿⡿⠟⠋⠛⢷⢿⣺⡺⣮⣻⣟⣿⢿⣿⡻⣟⡿⣽⣟⣷⢽⣻⣿⣳⣿⢝⣟⣿⣿⣿⣿⣿⡂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠈⢑⠌⢂⢑⠡⠡⡐⡐⡑⠌⠀⠀⠀⠀⠀⠀⠀⠀⢠⣳⡳⡧⣟⣿⢍⠇⡃⣝⣟⣿⣿⣷⠁⡰⡡⡁⠅⣷⣕⣜⡼⣽⣻⣺⠝⢌⡼⣾⣿⡿⣟⡯⣟⡟⢡⣳⣻⡢⣳⢽⣿⣿⣿⢿⡇⠀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠘⠰⠡⠊⠂⠂⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠺⢿⣚⡾⣽⢯⠋⡁⡧⣳⣯⣿⣯⣿⡠⢪⢀⠢⣱⣯⣗⢯⢻⡺⣺⢊⡺⣽⣿⣟⣗⣯⣿⣯⣷⣇⣳⢿⣳⣑⣾⣿⢿⡾⣿⡟⡧⣮⡪⡱⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢐⢵⣻⡯⠃⡐⣜⢽⣳⣿⢷⡿⣿⣿⣶⣶⣿⡿⣷⢿⣽⢷⣽⣺⣲⣿⢿⣳⡷⣟⣿⣿⡷⣿⢿⣾⣻⣷⣷⣿⣻⣯⢿⢽⣞⢽⣕⣟⠎⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡸⣽⢷⣑⣁⢄⢪⡳⣝⢾⣿⣿⣿⣿⣿⡽⣿⣿⣽⣕⡍⡍⡯⡻⣿⣻⢯⢳⢹⢽⣝⣯⣿⣫⣻⣯⣗⣿⣿⢽⣯⣿⣿⣿⣻⢳⣷⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀\r\n*/\r\n\r\ncontract Caesars 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 constant deadAddress = address(0xdead);\r\n\r\n bool private swapping;\r\n\r\n address public marketingWallet;\r\n address public devWallet;\r\n \r\n uint256 public maxTransactionAmount;\r\n uint256 public swapTokensAtAmount;\r\n uint256 public maxWallet;\r\n \r\n uint256 public percentForLPBurn = 1; // 25 = .25%\r\n bool public lpBurnEnabled = false;\r\n uint256 public lpBurnFrequency = 1360000000000 seconds;\r\n uint256 public lastLpBurnTime;\r\n \r\n uint256 public manualBurnFrequency = 43210 minutes;\r\n uint256 public lastManualLpBurnTime;\r\n\r\n bool public limitsInEffect = true;\r\n bool public tradingActive = true;\r\n bool public swapEnabled = true;\r\n \r\n // Anti-bot and anti-whale mappings and variables\r\n mapping(address => uint256) private _holderLastTransferTimestamp; // to hold last Transfers temporarily during launch\r\n bool public transferDelayEnabled = true;\r\n\r\n uint256 public buyTotalFees;\r\n uint256 public buyMarketingFee;\r\n uint256 public buyLiquidityFee;\r\n uint256 public buyDevFee;\r\n \r\n uint256 public sellTotalFees;\r\n uint256 public sellMarketingFee;\r\n uint256 public sellLiquidityFee;\r\n uint256 public sellDevFee;\r\n \r\n uint256 public tokensForMarketing;\r\n uint256 public tokensForLiquidity;\r\n uint256 public tokensForDev;\r\n \r\n /******************/\r\n\r\n // exlcude from fees and max transaction amount\r\n mapping (address => bool) private _isExcludedFromFees;\r\n mapping (address => bool) public _isExcludedMaxTransactionAmount;\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\r\n event ExcludeFromFees(address indexed account, bool isExcluded);\r\n\r\n event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);\r\n\r\n event marketingWalletUpdated(address indexed newWallet, address indexed oldWallet);\r\n \r\n event devWalletUpdated(address indexed newWallet, address indexed oldWallet);\r\n\r\n event SwapAndLiquify(\r\n uint256 tokensSwapped,\r\n uint256 ethReceived,\r\n uint256 tokensIntoLiquidity\r\n );\r\n \r\n event AutoNukeLP();\r\n \r\n event ManualNukeLP();\r\n\r\n constructor() ERC20(\"Caesars Arena\", \"CAESAR\") {\r\n \r\n IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);\r\n \r\n excludeFromMaxTransaction(address(_uniswapV2Router), true);\r\n uniswapV2Router = _uniswapV2Router;\r\n \r\n uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());\r\n excludeFromMaxTransaction(address(uniswapV2Pair), true);\r\n _setAutomatedMarketMakerPair(address(uniswapV2Pair), true);\r\n \r\n uint256 _buyMarketingFee = 2;\r\n uint256 _buyLiquidityFee = 0;\r\n uint256 _buyDevFee = 0;\r\n\r\n uint256 _sellMarketingFee = 50;\r\n uint256 _sellLiquidityFee = 0;\r\n uint256 _sellDevFee = 0;\r\n \r\n uint256 totalSupply = 1 * 1e9 * 1e18;\r\n \r\n //maxTransactionAmount \r\n maxTransactionAmount = 15000000000000000000000000;\r\n maxWallet = 25000000000000000000000000; \r\n swapTokensAtAmount = totalSupply * 10 / 4000; \r\n\r\n buyMarketingFee = _buyMarketingFee;\r\n buyLiquidityFee = _buyLiquidityFee;\r\n buyDevFee = _buyDevFee;\r\n buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;\r\n \r\n sellMarketingFee = _sellMarketingFee;\r\n sellLiquidityFee = _sellLiquidityFee;\r\n sellDevFee = _sellDevFee;\r\n sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;\r\n \r\n marketingWallet = address(owner()); // set as marketing wallet\r\n devWallet = address(owner()); // set as dev wallet\r\n\r\n // exclude from paying fees or having max transaction amount\r\n excludeFromFees(owner(), true);\r\n excludeFromFees(address(this), true);\r\n excludeFromFees(address(0xdead), true);\r\n \r\n excludeFromMaxTransaction(owner(), true);\r\n excludeFromMaxTransaction(address(this), true);\r\n excludeFromMaxTransaction(address(0xdead), true);\r\n \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, totalSupply);\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 lastLpBurnTime = block.timestamp;\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 // disable Transfer delay - cannot be reenabled\r\n function disableTransferDelay() external onlyOwner returns (bool){\r\n transferDelayEnabled = false;\r\n return true;\r\n }\r\n \r\n // change the minimum amount of tokens to sell from fees\r\n function updateSwapTokensAtAmount(uint256 newAmount) external onlyOwner returns (bool){\r\n require(newAmount >= totalSupply() * 1 / 100000, \"Swap amount cannot be lower than 0.001% total supply.\");\r\n require(newAmount <= totalSupply() * 10 / 1000, \"Swap amount cannot be higher than 1% total supply.\");\r\n swapTokensAtAmount = newAmount;\r\n return true;\r\n }\r\n \r\n function updateMaxTxnAmount(uint256 newNum) external onlyOwner {\r\n require(newNum >= (totalSupply() * 1 / 1000)/1e18, \"Cannot set maxTransactionAmount lower than 0.1%\");\r\n maxTransactionAmount = newNum * (10**18);\r\n }\r\n\r\n function updateMaxWalletAmount(uint256 newNum) external onlyOwner {\r\n require(newNum >= (totalSupply() * 5 / 1000)/1e18, \"Cannot set maxWallet lower than 0.5%\");\r\n maxWallet = newNum * (10**18);\r\n }\r\n \r\n function excludeFromMaxTransaction(address updAds, bool isEx) public onlyOwner {\r\n _isExcludedMaxTransactionAmount[updAds] = isEx;\r\n }\r\n \r\n // only use to disable contract sales if absolutely necessary (emergency use only)\r\n function updateSwapEnabled(bool enabled) external onlyOwner(){\r\n swapEnabled = enabled;\r\n }\r\n \r\n function updateBuyFees(uint256 _marketingFee, uint256 _liquidityFee, uint256 _devFee) external onlyOwner {\r\n buyMarketingFee = _marketingFee;\r\n buyLiquidityFee = _liquidityFee;\r\n buyDevFee = _devFee;\r\n buyTotalFees = buyMarketingFee + buyLiquidityFee + buyDevFee;\r\n require(buyTotalFees <= 25, \"Must keep fees at 25% or less\");\r\n }\r\n \r\n function updateSellFees(uint256 _marketingFee, uint256 _liquidityFee, uint256 _devFee) external onlyOwner {\r\n sellMarketingFee = _marketingFee;\r\n sellLiquidityFee = _liquidityFee;\r\n sellDevFee = _devFee;\r\n sellTotalFees = sellMarketingFee + sellLiquidityFee + sellDevFee;\r\n require(sellTotalFees <= 99, \"Must keep fees at 99% or less\");\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) public onlyOwner {\r\n require(pair != uniswapV2Pair, \"The pair cannot be removed from automatedMarketMakerPairs\");\r\n\r\n _setAutomatedMarketMakerPair(pair, value);\r\n }\r\n\r\n function _setAutomatedMarketMakerPair(address pair, bool value) private {\r\n automatedMarketMakerPairs[pair] = value;\r\n\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 updateDevWallet(address newWallet) external onlyOwner {\r\n emit devWalletUpdated(newWallet, devWallet);\r\n devWallet = newWallet;\r\n }\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 \r\n if(amount == 0) {\r\n super._transfer(from, to, 0);\r\n return;\r\n }\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 // at launch if the transfer delay is enabled, ensure the block timestamps for purchasers is set -- during launch. \r\n if (transferDelayEnabled){\r\n if (to != owner() && to != address(uniswapV2Router) && to != address(uniswapV2Pair)){\r\n require(_holderLastTransferTimestamp[tx.origin] < block.number, \"_transfer:: Transfer Delay enabled. Only one purchase per block allowed.\");\r\n _holderLastTransferTimestamp[tx.origin] = block.number;\r\n }\r\n }\r\n \r\n //when buy\r\n if (automatedMarketMakerPairs[from] && !_isExcludedMaxTransactionAmount[to]) {\r\n require(amount <= maxTransactionAmount, \"Buy transfer amount exceeds the maxTransactionAmount.\");\r\n require(amount + balanceOf(to) <= maxWallet, \"Max wallet exceeded\");\r\n }\r\n \r\n //when sell\r\n else if (automatedMarketMakerPairs[to] && !_isExcludedMaxTransactionAmount[from]) {\r\n require(amount <= maxTransactionAmount, \"Sell transfer amount exceeds the maxTransactionAmount.\");\r\n }\r\n else if(!_isExcludedMaxTransactionAmount[to]){\r\n require(amount + balanceOf(to) <= maxWallet, \"Max wallet exceeded\");\r\n }\r\n }\r\n }\r\n \r\n uint256 contractTokenBalance = balanceOf(address(this));\r\n \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 \r\n swapBack();\r\n\r\n swapping = false;\r\n }\r\n \r\n if(!swapping && automatedMarketMakerPairs[to] && lpBurnEnabled && block.timestamp >= lastLpBurnTime + lpBurnFrequency && !_isExcludedFromFees[from]){\r\n autoBurnLiquidityPairTokens();\r\n }\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 tokensForLiquidity += fees * sellLiquidityFee / sellTotalFees;\r\n tokensForDev += fees * sellDevFee / sellTotalFees;\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 tokensForLiquidity += fees * buyLiquidityFee / buyTotalFees;\r\n tokensForDev += fees * buyDevFee / buyTotalFees;\r\n tokensForMarketing += fees * buyMarketingFee / buyTotalFees;\r\n }\r\n \r\n if(fees > 0){ \r\n super._transfer(from, address(this), fees);\r\n }\r\n \r\n amount -= fees;\r\n }\r\n\r\n super._transfer(from, to, amount);\r\n }\r\n\r\n function swapTokensForEth(uint256 tokenAmount) private {\r\n\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\r\n _approve(address(this), address(uniswapV2Router), tokenAmount);\r\n\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 address(this),\r\n block.timestamp\r\n );\r\n \r\n }\r\n \r\n function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {\r\n // approve token transfer to cover all possible scenarios\r\n _approve(address(this), address(uniswapV2Router), tokenAmount);\r\n\r\n // add the liquidity\r\n uniswapV2Router.addLiquidityETH{value: ethAmount}(\r\n address(this),\r\n tokenAmount,\r\n 0, // slippage is unavoidable\r\n 0, // slippage is unavoidable\r\n deadAddress,\r\n block.timestamp\r\n );\r\n }\r\n\r\n function swapBack() private {\r\n uint256 contractBalance = balanceOf(address(this));\r\n uint256 totalTokensToSwap = tokensForLiquidity + tokensForMarketing + tokensForDev;\r\n bool success;\r\n \r\n if(contractBalance == 0 || totalTokensToSwap == 0) {return;}\r\n\r\n if(contractBalance > swapTokensAtAmount * 20){\r\n contractBalance = swapTokensAtAmount * 20;\r\n }\r\n \r\n // Halve the amount of liquidity tokens\r\n uint256 liquidityTokens = contractBalance * tokensForLiquidity / totalTokensToSwap / 2;\r\n uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);\r\n \r\n uint256 initialETHBalance = address(this).balance;\r\n\r\n swapTokensForEth(amountToSwapForETH); \r\n \r\n uint256 ethBalance = address(this).balance.sub(initialETHBalance);\r\n \r\n uint256 ethForMarketing = ethBalance.mul(tokensForMarketing).div(totalTokensToSwap);\r\n uint256 ethForDev = ethBalance.mul(tokensForDev).div(totalTokensToSwap);\r\n \r\n \r\n uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev;\r\n \r\n \r\n tokensForLiquidity = 0;\r\n tokensForMarketing = 0;\r\n tokensForDev = 0;\r\n \r\n (success,) = address(devWallet).call{value: ethForDev}(\"\");\r\n \r\n if(liquidityTokens > 0 && ethForLiquidity > 0){\r\n addLiquidity(liquidityTokens, ethForLiquidity);\r\n emit SwapAndLiquify(amountToSwapForETH, ethForLiquidity, tokensForLiquidity);\r\n }\r\n \r\n \r\n (success,) = address(marketingWallet).call{value: address(this).balance}(\"\");\r\n }\r\n \r\n function setAutoLPBurnSettings(uint256 _frequencyInSeconds, uint256 _percent, bool _Enabled) external onlyOwner {\r\n require(_frequencyInSeconds >= 600, \"cannot set buyback more often than every 10 minutes\");\r\n require(_percent <= 1000 && _percent >= 0, \"Must set auto LP burn percent between 0% and 10%\");\r\n lpBurnFrequency = _frequencyInSeconds;\r\n percentForLPBurn = _percent;\r\n lpBurnEnabled = _Enabled;\r\n }\r\n \r\n function autoBurnLiquidityPairTokens() internal returns (bool){\r\n \r\n lastLpBurnTime = block.timestamp;\r\n \r\n // get balance of liquidity pair\r\n uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);\r\n \r\n // calculate amount to burn\r\n uint256 amountToBurn = liquidityPairBalance.mul(percentForLPBurn).div(10000);\r\n \r\n // pull tokens from pancakePair liquidity and move to dead address permanently\r\n if (amountToBurn > 0){\r\n super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);\r\n }\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 AutoNukeLP();\r\n return true;\r\n }\r\n\r\n function manualBurnLiquidityPairTokens(uint256 percent) external onlyOwner returns (bool){\r\n require(block.timestamp > lastManualLpBurnTime + manualBurnFrequency , \"Must wait for cooldown to finish\");\r\n require(percent <= 1000, \"May not nuke more than 10% of tokens in LP\");\r\n lastManualLpBurnTime = block.timestamp;\r\n \r\n // get balance of liquidity pair\r\n uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);\r\n \r\n // calculate amount to burn\r\n uint256 amountToBurn = liquidityPairBalance.mul(percent).div(10000);\r\n \r\n // pull tokens from pancakePair liquidity and move to dead address permanently\r\n if (amountToBurn > 0){\r\n super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);\r\n }\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 ManualNukeLP();\r\n return true;\r\n }\r\n}" } }, "settings": { "optimizer": { "enabled": true, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} } }}

Caesar's Arena

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Code source :