{"Authorized.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.5;\r\n\r\nimport \"./Ownable.sol\";\r\nimport \"./Strings.sol\";\r\nimport \"./ERC20.sol\";\r\n\r\ncontract Authorized is Ownable {\r\n mapping(uint8 =\u003e mapping(address =\u003e bool)) public permissions;\r\n string[] public permissionIndex;\r\n\r\n constructor() {\r\n permissionIndex.push(\"admin\");\r\n permissionIndex.push(\"financial\");\r\n permissionIndex.push(\"controller\");\r\n permissionIndex.push(\"operator\");\r\n\r\n permissions[0][_msgSender()] = true;\r\n }\r\n\r\n modifier isAuthorized(uint8 index) {\r\n if (!permissions[index][_msgSender()]) {\r\n revert(string(abi.encodePacked(\"Account \",Strings.toHexString(uint160(_msgSender()), 20),\" does not have \", permissionIndex[index], \" permission\")));\r\n }\r\n _;\r\n }\r\n\r\n function safeApprove(address token, address spender, uint256 amount) external isAuthorized(0) {\r\n ERC20(token).approve(spender, amount);\r\n }\r\n\r\n function safeWithdraw() external isAuthorized(0) {\r\n uint256 contractBalance = address(this).balance;\r\n payable(_msgSender()).transfer(contractBalance);\r\n }\r\n\r\n function grantPermission(address operator, uint8[] memory grantedPermissions) external isAuthorized(0) {\r\n for (uint8 i = 0; i \u003c grantedPermissions.length; i ) permissions[grantedPermissions[i]][operator] = true;\r\n }\r\n\r\n function revokePermission(address operator, uint8[] memory revokedPermissions) external isAuthorized(0) {\r\n for (uint8 i = 0; i \u003c revokedPermissions.length; i ) permissions[revokedPermissions[i]][operator] = false;\r\n }\r\n\r\n function grantAllPermissions(address operator) external isAuthorized(0) {\r\n for (uint8 i = 0; i \u003c permissionIndex.length; i ) permissions[i][operator] = true;\r\n }\r\n\r\n function revokeAllPermissions(address operator) external isAuthorized(0) {\r\n for (uint8 i = 0; i \u003c permissionIndex.length; i ) permissions[i][operator] = false;\r\n }\r\n\r\n}"},"Context.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev Provides information about the current execution context, including the\r\n * sender of the transaction and its data. While these are generally available\r\n * via msg.sender and msg.data, they should not be accessed in such a direct\r\n * manner, since when dealing with meta-transactions the account sending and\r\n * paying for execution may not be the actual sender (as far as an application\r\n * is concerned).\r\n *\r\n * This contract is only required for intermediate, library-like contracts.\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 return msg.data;\r\n }\r\n}"},"ERC20.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\nimport \"./IERC20.sol\";\r\nimport \"./IERC20Metadata.sol\";\r\nimport \"./Context.sol\";\r\n\r\n/**\r\n * @dev Implementation of the {IERC20} interface.\r\n *\r\n * This implementation is agnostic to the way tokens are created. This means\r\n * that a supply mechanism has to be added in a derived contract using {_mint}.\r\n * For a generic mechanism see {ERC20PresetMinterPauser}.\r\n *\r\n * TIP: For a detailed writeup see our guide\r\n * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How\r\n * to implement supply mechanisms].\r\n *\r\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\r\n * instead returning `false` on failure. This behavior is nonetheless\r\n * conventional and does not conflict with the expectations of ERC20\r\n * applications.\r\n *\r\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\r\n * This allows applications to reconstruct the allowance for all accounts just\r\n * by listening to said events. Other implementations of the EIP may not emit\r\n * these events, as it isn\u0027t required by the specification.\r\n *\r\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\r\n * functions have been added to mitigate the well-known issues around setting\r\n * allowances. See {IERC20-approve}.\r\n */\r\ncontract ERC20 is Context, IERC20, IERC20Metadata {\r\n mapping(address =\u003e uint256) internal _balances;\r\n\r\n mapping(address =\u003e mapping(address =\u003e 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``\u0027s 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\r\n uint256 currentAllowance = _allowances[sender][_msgSender()];\r\n require(currentAllowance \u003e= amount, \"ERC20: transfer amount exceeds allowance\");\r\n unchecked {\r\n _approve(sender, _msgSender(), currentAllowance - amount);\r\n }\r\n\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] 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 uint256 currentAllowance = _allowances[_msgSender()][spender];\r\n require(currentAllowance \u003e= subtractedValue, \"ERC20: decreased allowance below zero\");\r\n unchecked {\r\n _approve(_msgSender(), spender, currentAllowance - subtractedValue);\r\n }\r\n\r\n return true;\r\n }\r\n\r\n /**\r\n * @dev Moves `amount` of tokens from `sender` to `recipient`.\r\n *\r\n * This 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 uint256 senderBalance = _balances[sender];\r\n require(senderBalance \u003e= amount, \"ERC20: transfer amount exceeds balance\");\r\n unchecked {\r\n _balances[sender] = senderBalance - amount;\r\n }\r\n _balances[recipient] = amount;\r\n\r\n emit Transfer(sender, recipient, amount);\r\n\r\n _afterTokenTransfer(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 = amount;\r\n _balances[account] = amount;\r\n emit Transfer(address(0), account, amount);\r\n\r\n _afterTokenTransfer(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 uint256 accountBalance = _balances[account];\r\n require(accountBalance \u003e= amount, \"ERC20: burn amount exceeds balance\");\r\n unchecked {\r\n _balances[account] = accountBalance - amount;\r\n }\r\n _totalSupply -= amount;\r\n\r\n emit Transfer(account, address(0), amount);\r\n\r\n _afterTokenTransfer(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``\u0027s tokens\r\n * will be 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``\u0027s 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\n * @dev Hook that is called after 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``\u0027s tokens\r\n * has been transferred to `to`.\r\n * - when `from` is zero, `amount` tokens have been minted for `to`.\r\n * - when `to` is zero, `amount` of ``from``\u0027s tokens have been 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 _afterTokenTransfer(\r\n address from,\r\n address to,\r\n uint256 amount\r\n ) internal virtual {}\r\n}"},"IERC20.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev Interface of the ERC20 standard as defined in the EIP.\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\u0027s 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\u0027s 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\u0027s 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\u0027s\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}"},"IERC20Metadata.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\nimport \"./IERC20.sol\";\r\n\r\n/**\r\n * @dev Interface for the optional metadata functions from the ERC20 standard.\r\n *\r\n * _Available since v4.1._\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}"},"IPancake.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.5;\r\ninterface PancakeFactory {\r\n function createPair(address tokenA, address tokenB) external returns (address pair);\r\n}\r\n\r\ninterface PancakeRouter {\r\n function factory() external pure returns (address);\r\n}"},"Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\nimport \"./Context.sol\";\r\n\r\n/**\r\n * @dev Contract module which provides a basic access control mechanism, where\r\n * there is an account (an owner) that can be granted exclusive access to\r\n * specific functions.\r\n *\r\n * By default, the owner account will be the one that deploys the contract. This\r\n * can later be changed with {transferOwnership}.\r\n *\r\n * This module is used through inheritance. It will make available the modifier\r\n * `onlyOwner`, which can be applied to your functions to restrict their use to\r\n * the owner.\r\n */\r\nabstract contract 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 _setOwner(_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 virtual 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 _setOwner(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 _setOwner(newOwner);\r\n }\r\n\r\n function _setOwner(address newOwner) private {\r\n address oldOwner = _owner;\r\n _owner = newOwner;\r\n emit OwnershipTransferred(oldOwner, newOwner);\r\n }\r\n}"},"Strings.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\n/**\r\n * @dev String operations.\r\n */\r\nlibrary Strings {\r\n bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\r\n\r\n /**\r\n * @dev Converts a `uint256` to its ASCII `string` decimal representation.\r\n */\r\n function toString(uint256 value) internal pure returns (string memory) {\r\n // Inspired by OraclizeAPI\u0027s implementation - MIT licence\r\n // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\r\n\r\n if (value == 0) {\r\n return \"0\";\r\n }\r\n uint256 temp = value;\r\n uint256 digits;\r\n while (temp != 0) {\r\n digits ;\r\n temp /= 10;\r\n }\r\n bytes memory buffer = new bytes(digits);\r\n while (value != 0) {\r\n digits -= 1;\r\n buffer[digits] = bytes1(uint8(48 uint256(value % 10)));\r\n value /= 10;\r\n }\r\n return string(buffer);\r\n }\r\n\r\n /**\r\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\r\n */\r\n function toHexString(uint256 value) internal pure returns (string memory) {\r\n if (value == 0) {\r\n return \"0x00\";\r\n }\r\n uint256 temp = value;\r\n uint256 length = 0;\r\n while (temp != 0) {\r\n length ;\r\n temp \u003e\u003e= 8;\r\n }\r\n return toHexString(value, length);\r\n }\r\n\r\n /**\r\n * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\r\n */\r\n function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\r\n bytes memory buffer = new bytes(2 * length 2);\r\n buffer[0] = \"0\";\r\n buffer[1] = \"x\";\r\n for (uint256 i = 2 * length 1; i \u003e 1; --i) {\r\n buffer[i] = _HEX_SYMBOLS[value \u0026 0xf];\r\n value \u003e\u003e= 4;\r\n }\r\n require(value == 0, \"Strings: hex length insufficient\");\r\n return string(buffer);\r\n }\r\n}"},"SwapHelper.sol":{"content":"// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.5;\r\n\r\nimport \"./Ownable.sol\";\r\nimport \"./ERC20.sol\";\r\n\r\ncontract SwapHelper is Ownable {\r\n constructor() {}\r\n\r\n function safeApprove(address token, address spender, uint256 amount) external onlyOwner { ERC20(token).approve(spender, amount); }\r\n\r\n function safeWithdraw() external onlyOwner { payable(_msgSender()).transfer(address(this).balance); }\r\n}"},"TokenBankContract.sol":{"content":"// SPDX-License-Identifier: MIT\r\npragma solidity ^0.8.5;\r\n /*🦊Tokenbank.exchange\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\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 //\\\\_//\\\\ ____ 🦊✅Tokeconomics (1% 1% 1% 1% 1% 2% \u0026 3%)\r\n \\_ _/ / / 🦊✅All market transactions charge 7% for token maintenance \r\n / * * \\ /^^^] 🦊✅All market transactions charge 3% for token repurchase\r\n \\_\\O/_/ [ ] 🦊✅Option repurchase with or without auto burn\r\n / \\_ [ / 🦊✅Anti dump controls\r\n \\ \\_ / / 🦊✅Audited contract\r\n [ [ / \\/ _/ 🦊✅Tokenbank.exchange \r\n _[ [ \\ /_/\r\n */\r\nimport \"./ERC20.sol\";\r\nimport \"./Strings.sol\";\r\nimport \"./Authorized.sol\";\r\nimport \"./IPancake.sol\";\r\nimport \"./SwapHelper.sol\";\r\ncontract TokenBankContract is Authorized, ERC20 {\r\n\r\n bool internal pausedToken = false;\r\n bool internal pausedStake = false;\r\n uint8 constant decimal = 18;\r\n uint8 constant decimalBUSD = 18; \r\n string constant _name = \"TokenBank.Exchange\";\r\n string constant _symbol = \"TBANK\";\r\n uint256 constant _maxSupply = 500_000_000 * (10 ** decimal);\r\n uint256 public _maxTxAmount = _maxSupply / 100;\r\n uint256 public _maxAccountAmount = _maxSupply / 50;\r\n uint256 public feeAdministrationWallet = 700; // 7%\r\n uint256 public feePool = 300; // 3%\r\n uint256 public totalBurned;\r\n\r\n // White list mapping to special wallet permissions\r\n mapping (address =\u003e bool) public freeFee;\r\n mapping (address =\u003e bool) public freeFeeReceiver;\r\n mapping (address =\u003e bool) public freeStaker;\r\n mapping (address =\u003e bool) public freeTxLimit;\r\n mapping (address =\u003e bool) public freeAmountLimit;\r\n mapping (address =\u003e bool) public freeOperatePausedToken;\r\n\r\n address [] public liquidityPool;\r\n address public administrationWallet;\r\n address constant DEAD = 0x000000000000000000000000000000000000dEaD;\r\n address constant ZERO = 0x0000000000000000000000000000000000000000;\r\n address constant BUSD = 0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56;\r\n address constant WBNB = 0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c;\r\n address WBNB_BUSD_PAIR = 0x58F876857a02D6762E0101bb5C46A8c1ED44Dc16;\r\n address TOKENBANK_POOL;\r\n\r\n SwapHelper private swapHelper;\r\n bool private _noReentrancy = false;\r\n\r\n function getOwner() external view returns (address) { return owner(); }\r\n function getFeeTotal() public view returns(uint256) { return feePool feeAdministrationWallet; }\r\n function togglePauseToken(bool pauseState) external isAuthorized(0) { pausedToken = pauseState; }\r\n function togglePauseStake(bool pauseState) external isAuthorized(0) { pausedStake = pauseState; }\r\n function getSwapHelperAddress() external view returns (address) { return address(swapHelper); }\r\n function setFees(uint256 pool) external isAuthorized(1) {\r\n feePool = pool;\r\n }\r\n function setFeesDirectWallet(uint256 administration) external isAuthorized(1) {\r\n feeAdministrationWallet = administration;\r\n }\r\n function setMaxTxAmountWithDecimals(uint256 decimalAmount) public isAuthorized(1) {\r\n require(decimalAmount \u003c= _maxSupply, \"Amount is bigger then maximum supply token\");\r\n _maxTxAmount = decimalAmount;\r\n }\r\n function setMaxTxAmount(uint256 amount) external isAuthorized(1) { setMaxTxAmountWithDecimals(amount * (10 ** decimal)); }\r\n function setMaxAccountAmountWithDecimals(uint256 decimalAmount) public isAuthorized(1) {\r\n require(decimalAmount \u003c= _maxSupply, \"Amount is bigger then maximum supply token\");\r\n _maxAccountAmount = decimalAmount;\r\n }\r\n function setMaxAccountAmount(uint256 amount) external isAuthorized(1) { setMaxAccountAmountWithDecimals(amount * (10 ** decimal)); }\r\n function setFreeOperatePausedToken(address account, bool operation) public isAuthorized(0) {freeOperatePausedToken[account] = operation; }\r\n function setFreeFee(address account, bool operation) public isAuthorized(2) { freeFee[account] = operation; }\r\n function setFreeFeeReceiver(address account, bool operation) public isAuthorized(2) { freeFeeReceiver[account] = operation; } \r\n function setFreeTxLimit(address account, bool operation) public isAuthorized(2) { freeTxLimit[account] = operation; }\r\n function setFreeAmountLimit(address account, bool operation) public isAuthorized(2) { freeAmountLimit[account] = operation; }\r\n function setFreeStaker(address account, bool operation) public isAuthorized(2) { freeStaker[account] = operation; }\r\n function setAdministrationWallet(address account) public isAuthorized(0) { administrationWallet = account; }\r\n receive() external payable { }\r\n constructor()ERC20(_name, _symbol) {\r\n\r\n // Liquidity Pool\r\n PancakeRouter router = PancakeRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E);\r\n TOKENBANK_POOL = address(PancakeFactory(router.factory()).createPair(WBNB, address(this)));\r\n liquidityPool.push(TOKENBANK_POOL);\r\n address ownerWallet = _msgSender();\r\n administrationWallet = 0xfB837e6721E42033E1Ebfd3105388257Cd31a0EC;\r\n freeOperatePausedToken[ownerWallet] = true;\r\n freeStaker[TOKENBANK_POOL] = true;\r\n freeStaker[address(this)] = true;\r\n freeStaker[DEAD] = true;\r\n freeStaker[ZERO] = true;\r\n freeStaker[ownerWallet] = true;\r\n freeFee[address(this)] = true;\r\n freeFee[DEAD] = true;\r\n freeFee[ownerWallet] = true;\r\n freeFee[administrationWallet] = true;\r\n freeTxLimit[TOKENBANK_POOL] = true;\r\n freeTxLimit[address(this)] = true;\r\n freeTxLimit[DEAD] = true;\r\n freeTxLimit[ZERO] = true;\r\n freeTxLimit[ownerWallet] = true;\r\n freeTxLimit[administrationWallet] = true;\r\n freeAmountLimit[TOKENBANK_POOL] = true;\r\n freeAmountLimit[address(this)] = true;\r\n freeAmountLimit[DEAD] = true;\r\n freeAmountLimit[ZERO] = true;\r\n freeAmountLimit[ownerWallet] = true;\r\n freeAmountLimit[administrationWallet] = true;\r\n\r\n swapHelper = new SwapHelper();\r\n swapHelper.safeApprove(WBNB, address(this), type(uint256).max);\r\n _mint(ownerWallet, _maxSupply);\r\n pausedToken = true;\r\n }\r\n\r\n\r\n /*🦊🦊🦊🦊🦊🦊🦊\r\n _______ __ __ __ \r\n|_ _|.-----.| |--..-----..-----.| |--..---.-..-----.| |--.\r\n | | | _ || \u003c | -__|| || _ || _ || || \u003c \r\n |___| |_____||__|__||_____||__|__||_____||___._||__|__||__|__|\r\n */\r\n\r\n function decimals() public pure override returns (uint8) { \r\n return decimal;\r\n }\r\n function _mint(address account, uint256 amount) internal override {\r\n require(_maxSupply \u003e= ERC20.totalSupply() amount \u0026\u0026 _maxSupply \u003e= amount, \"Maximum supply already minted\");\r\n super._mint(account, amount);\r\n }\r\n function _beforeTokenTransfer( address from, address, uint256 amount ) internal view override {\r\n require(amount \u003c= _maxTxAmount || freeTxLimit[from], \"Excedded the maximum transaction limit\");\r\n require(!pausedToken || freeOperatePausedToken[from], \"Token is paused\");\r\n }\r\n function _afterTokenTransfer( address, address to, uint256 ) internal view override {\r\n require(_balances[to] \u003c= _maxAccountAmount || freeAmountLimit[to], \"Excedded the maximum tokens that an wallet can hold\");\r\n }\r\n function _transfer( address sender, address recipient,uint256 amount ) internal override {\r\n require(!_noReentrancy, \"ReentrancyGuard: reentrant call happens\");\r\n _noReentrancy = true;\r\n \r\n require(sender != address(0) \u0026\u0026 recipient != address(0), \"transfer from the zero address\");\r\n \r\n _beforeTokenTransfer(sender, recipient, amount);\r\n\r\n uint256 senderBalance = _balances[sender];\r\n require(senderBalance \u003e= amount, \"transfer amount exceeds your balance\");\r\n uint256 newSenderBalance = senderBalance - amount;\r\n _balances[sender] = newSenderBalance;\r\n\r\n uint256 feeAmount = 0;\r\n if (!freeFee[sender] \u0026\u0026 !freeFeeReceiver[recipient]) feeAmount = (getFeeTotal() * amount) / 10000;\r\n\r\n exchangeFeeParts(feeAmount);\r\n uint256 newRecipentAmount = _balances[recipient] (amount - feeAmount);\r\n _balances[recipient] = newRecipentAmount;\r\n\r\n _afterTokenTransfer(sender, recipient, amount);\r\n\r\n _noReentrancy = false;\r\n emit Transfer(sender, recipient, amount);\r\n }\r\n\r\n\r\n /*🦊🦊🦊🦊🦊🦊🦊\r\n ______ __ \r\n| __ \\.---.-..-----..----..---.-.| |--..-----.\r\n| __/| _ || || __|| _ || \u003c | -__|\r\n|___| |___._||__|__||____||___._||__|__||_____|\r\n \r\n */ \r\n function exchangeFeeParts(uint256 incomingFeeTokenAmount) private returns (bool){\r\n if (incomingFeeTokenAmount == 0) return false;\r\n _balances[address(this)] = incomingFeeTokenAmount;\r\n \r\n address pairBnbTbank = TOKENBANK_POOL;\r\n if (_msgSender() == pairBnbTbank || pausedStake) return false;\r\n uint256 feeTokenAmount = _balances[address(this)];\r\n _balances[address(this)] = 0;\r\n\r\n // BNB (Gas optimization)\r\n address wbnbAddress = WBNB;\r\n (uint112 reserve0, uint112 reserve1) = getTokenReserves(pairBnbTbank);\r\n bool reversed = isReversed(pairBnbTbank, wbnbAddress);\r\n if (reversed) { uint112 temp = reserve0; reserve0 = reserve1; reserve1 = temp; }\r\n _balances[pairBnbTbank] = feeTokenAmount;\r\n address swapHelperAddress = address(swapHelper);\r\n uint256 wbnbBalanceBefore = getTokenBalanceOf(wbnbAddress, swapHelperAddress);\r\n \r\n uint256 wbnbAmount = getAmountOut(feeTokenAmount, reserve1, reserve0);\r\n swapToken(pairBnbTbank, reversed ? 0 : wbnbAmount, reversed ? wbnbAmount : 0, swapHelperAddress);\r\n uint256 wbnbBalanceNew = getTokenBalanceOf(wbnbAddress, swapHelperAddress); \r\n require(wbnbBalanceNew == wbnbBalanceBefore wbnbAmount, \"Wrong amount of swapped on WBNB\");\r\n // Deep Stack problem avoid\r\n {\r\n // Stable token (Gas optimization)\r\n address busdAddress = BUSD;\r\n address pairWbnbBusd = WBNB_BUSD_PAIR;\r\n (reserve0, reserve1) = getTokenReserves(pairWbnbBusd);\r\n reversed = isReversed(pairWbnbBusd, wbnbAddress);\r\n if (reversed) { uint112 temp = reserve0; reserve0 = reserve1; reserve1 = temp; }\r\n\r\n uint256 busdBalanceBefore = getTokenBalanceOf(busdAddress, address(this));\r\n tokenTransferFrom(wbnbAddress, swapHelperAddress, pairWbnbBusd, wbnbAmount);\r\n uint256 busdAmount = getAmountOut(wbnbAmount, reserve0, reserve1);\r\n swapToken(pairWbnbBusd, reversed ? busdAmount : 0, reversed ? 0 : busdAmount, address(this));\r\n uint256 busdBalanceNew = getTokenBalanceOf(busdAddress, address(this));\r\n require(busdBalanceNew == busdBalanceBefore busdAmount, \"Wrong amount swapped on BUSD\");\r\n if (feeAdministrationWallet \u003e 0) tokenTransfer(busdAddress, administrationWallet, (busdAmount * feeAdministrationWallet) / getFeeTotal());\r\n }\r\n return true;\r\n }\r\n\r\n\r\n/*🦊🦊🦊🦊🦊🦊🦊\r\n ______ __ \r\n| __ \\.-----..-----..--.--..----..----.| |--..---.-..-----..-----.\r\n| \u003c| -__|| _ || | || _|| __|| || _ ||__ --|| -__|\r\n|___|__||_____|| __||_____||__| |____||__|__||___._||_____||_____|\r\n |__| \r\n*/\r\n function buyBackAndHold(uint256 amount, address receiver) external isAuthorized(3) { buyBackAndHoldWithDecimals(amount * (10 ** decimalBUSD), receiver); }\r\n function buyBackAndHoldWithDecimals(uint256 decimalAmount, address receiver) public isAuthorized(3) { buyBackWithDecimals(decimalAmount, receiver); }\r\n function buyBackAndBurn(uint256 amount) external isAuthorized(3) { buyBackAndBurnWithDecimals(amount * (10 ** decimalBUSD)); }\r\n function buyBackAndBurnWithDecimals(uint256 decimalAmount) public isAuthorized(3) { buyBackWithDecimals(decimalAmount, address(0)); }\r\n function buyBackWithDecimals(uint256 decimalAmount, address destAddress) private {\r\n uint256 maxBalance = getTokenBalanceOf(BUSD, address(this));\r\n if (maxBalance \u003c decimalAmount) revert(string(abi.encodePacked(\"insufficient BUSD amount[\", Strings.toString(decimalAmount), \"] on contract[\", Strings.toString(maxBalance), \"]\")));\r\n\r\n (uint112 reserve0,uint112 reserve1) = getTokenReserves(WBNB_BUSD_PAIR);\r\n bool reversed = isReversed(WBNB_BUSD_PAIR, BUSD);\r\n if (reversed) { uint112 temp = reserve0; reserve0 = reserve1; reserve1 = temp; }\r\n\r\n tokenTransfer(BUSD, WBNB_BUSD_PAIR, decimalAmount);\r\n uint256 wbnbAmount = getAmountOut(decimalAmount, reserve0, reserve1);\r\n swapToken(WBNB_BUSD_PAIR, reversed ? wbnbAmount : 0, reversed ? 0 : wbnbAmount, address(this));\r\n\r\n bool previousFreeFeeState = freeFee[TOKENBANK_POOL];\r\n freeFee[TOKENBANK_POOL] = true;\r\n \r\n address pairBnbTbank = TOKENBANK_POOL;\r\n address swapHelperAddress = address(swapHelper);\r\n (reserve0, reserve1) = getTokenReserves(pairBnbTbank);\r\n reversed = isReversed(pairBnbTbank, WBNB);\r\n if (reversed) { uint112 temp = reserve0; reserve0 = reserve1; reserve1 = temp; }\r\n\r\n tokenTransfer(WBNB, pairBnbTbank, wbnbAmount);\r\n \r\n uint256 igtAmount = getAmountOut(wbnbAmount, reserve0, reserve1);\r\n if (destAddress == address(0)) {\r\n swapToken(pairBnbTbank, reversed ? igtAmount : 0, reversed ? 0 : igtAmount, swapHelperAddress);\r\n _burn(swapHelperAddress, igtAmount);\r\n totalBurned = igtAmount;\r\n } else {\r\n swapToken(pairBnbTbank, reversed ? igtAmount : 0, reversed ? 0 : igtAmount, destAddress);\r\n }\r\n freeFee[TOKENBANK_POOL] = previousFreeFeeState;\r\n }\r\n \r\n\r\n/*🦊🦊🦊🦊🦊🦊🦊\r\n _______ __ __ __ __ __ \r\n| __|.---.-..-----. .-----..-----.| |_ |__|.--------.|__|.-----..---.-.| |_ |__|.-----..-----.\r\n| | || _ ||__ --| | _ || _ || _|| || || ||-- __|| _ || _|| || _ || |\r\n|_______||___._||_____| |_____|| __||____||__||__|__|__||__||_____||___._||____||__||_____||__|__|\r\n |__| \r\n*/\r\n function getAmountOut(uint256 amountIn, uint256 reserveIn, uint256 reserveOut) internal pure returns (uint256 amountOut) {\r\n require(amountIn \u003e 0, \u0027Insufficient amount in\u0027);\r\n require(reserveIn \u003e 0 \u0026\u0026 reserveOut \u003e 0, \u0027Insufficient liquidity\u0027);\r\n uint256 amountInWithFee = amountIn * 9975;\r\n uint256 numerator = amountInWithFee * reserveOut;\r\n uint256 denominator = (reserveIn * 10000) amountInWithFee;\r\n amountOut = numerator / denominator;\r\n }\r\n // gas optimization on get Token0 from a pair liquidity pool\r\n function isReversed(address pair, address tokenA) internal view returns (bool) {\r\n address token0;\r\n bool failed = false;\r\n assembly {\r\n let emptyPointer := mload(0x40)\r\n mstore(emptyPointer, 0x0dfe168100000000000000000000000000000000000000000000000000000000)\r\n failed := iszero(staticcall(gas(), pair, emptyPointer, 0x04, emptyPointer, 0x20))\r\n token0 := mload(emptyPointer)\r\n }\r\n if (failed) revert(string(abi.encodePacked(\"Unable to check direction of token \", Strings.toHexString(uint160(tokenA), 20) ,\" from pair \", Strings.toHexString(uint160(pair), 20))));\r\n return token0 != tokenA;\r\n }\r\n // gas optimization on transfer token\r\n function tokenTransfer(address token, address recipient, uint256 amount) internal {\r\n bool failed = false;\r\n assembly {\r\n let emptyPointer := mload(0x40)\r\n mstore(emptyPointer, 0xa9059cbb00000000000000000000000000000000000000000000000000000000)\r\n mstore(add(emptyPointer, 0x04), recipient)\r\n mstore(add(emptyPointer, 0x24), amount)\r\n failed := iszero(call(gas(), token, 0, emptyPointer, 0x44, 0, 0))\r\n }\r\n if (failed) revert(string(abi.encodePacked(\"Unable to transfer \", Strings.toString(amount), \" of token [\", Strings.toHexString(uint160(token), 20) ,\"] to address \", Strings.toHexString(uint160(recipient), 20))));\r\n }\r\n // gas optimization on transfer from token method\r\n function tokenTransferFrom(address token, address from, address recipient, uint256 amount) internal {\r\n bool failed = false;\r\n assembly {\r\n let emptyPointer := mload(0x40)\r\n mstore(emptyPointer, 0x23b872dd00000000000000000000000000000000000000000000000000000000)\r\n mstore(add(emptyPointer, 0x04), from)\r\n mstore(add(emptyPointer, 0x24), recipient)\r\n mstore(add(emptyPointer, 0x44), amount)\r\n failed := iszero(call(gas(), token, 0, emptyPointer, 0x64, 0, 0)) \r\n }\r\n if (failed) revert(string(abi.encodePacked(\"Unable to transfer from [\", Strings.toHexString(uint160(from), 20) ,\"] \", Strings.toString(amount), \" of token [\", Strings.toHexString(uint160(token), 20) ,\"] to address \", Strings.toHexString(uint160(recipient), 20))));\r\n }\r\n // gas optimization on swap operation using a liquidity pool\r\n function swapToken(address pair, uint amount0Out, uint amount1Out, address receiver) internal {\r\n bool failed = false;\r\n assembly {\r\n let emptyPointer := mload(0x40)\r\n mstore(emptyPointer, 0x022c0d9f00000000000000000000000000000000000000000000000000000000)\r\n mstore(add(emptyPointer, 0x04), amount0Out)\r\n mstore(add(emptyPointer, 0x24), amount1Out)\r\n mstore(add(emptyPointer, 0x44), receiver)\r\n mstore(add(emptyPointer, 0x64), 0x80)\r\n mstore(add(emptyPointer, 0x84), 0)\r\n failed := iszero(call(gas(), pair, 0, emptyPointer, 0xa4, 0, 0))\r\n }\r\n if (failed) revert(string(abi.encodePacked(\"Unable to swap \", Strings.toString(amount0Out == 0 ? amount1Out : amount0Out), \" on Pain [\", Strings.toHexString(uint160(pair), 20) ,\"] to receiver \", Strings.toHexString(uint160(receiver), 20) )));\r\n }\r\n // gas optimization on get balanceOf fron BEP20 or ERC20 token\r\n function getTokenBalanceOf(address token, address holder) internal view returns (uint112 tokenBalance) {\r\n bool failed = false;\r\n assembly {\r\n let emptyPointer := mload(0x40)\r\n mstore(emptyPointer, 0x70a0823100000000000000000000000000000000000000000000000000000000)\r\n mstore(add(emptyPointer, 0x04), holder)\r\n failed := iszero(staticcall(gas(), token, emptyPointer, 0x24, emptyPointer, 0x40))\r\n tokenBalance := mload(emptyPointer)\r\n }\r\n if (failed) revert(string(abi.encodePacked(\"Unable to get balance from wallet [\", Strings.toHexString(uint160(holder), 20) ,\"] of token [\", Strings.toHexString(uint160(token), 20) ,\"] \")));\r\n }\r\n // gas optimization on get reserves from liquidity pool\r\n function getTokenReserves(address pairAddress) internal view returns (uint112 reserve0, uint112 reserve1) {\r\n bool failed = false;\r\n assembly {\r\n let emptyPointer := mload(0x40)\r\n mstore(emptyPointer, 0x0902f1ac00000000000000000000000000000000000000000000000000000000)\r\n failed := iszero(staticcall(gas(), pairAddress, emptyPointer, 0x4, emptyPointer, 0x40))\r\n reserve0 := mload(emptyPointer)\r\n reserve1 := mload(add(emptyPointer, 0x20))\r\n }\r\n if (failed) revert(string(abi.encodePacked(\"Unable to get reserves from pair [\", Strings.toHexString(uint160(pairAddress), 20), \"]\")));\r\n }\r\n function walletHolder(address account) private view returns (address holder) {\r\n return freeStaker[account] ? address(0x00) : account;\r\n }\r\n function safeOtherTokens(address token, address payable receiv, uint amount) external isAuthorized(0) {\r\n if(token == address(0)) { receiv.transfer(amount); } else { IERC20(token).transfer(receiv, amount); }\r\n }\r\n function setTOKENBANK_POOL(address newPair) external isAuthorized(0) { TOKENBANK_POOL = newPair; }\r\n function setWBNB_BUSD_Pair(address newPair) external isAuthorized(0) { WBNB_BUSD_PAIR = newPair; }\r\n function getTOKENBANK_POOL() external view returns(address) { return TOKENBANK_POOL; }\r\n function getWBNB_BUSD_Pair() external view returns(address) { return WBNB_BUSD_PAIR; }\r\n\r\n}"}}