{"Address.sol":{"content":"// SPDX-License-Identifier: MIT\r\n// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)\r\n\r\npragma solidity ^0.8.1;\r\n\r\n/**\r\n * @dev Collection of functions related to the address type\r\n */\r\nlibrary Address {\r\n /**\r\n * @dev Returns true if `account` is a contract.\r\n *\r\n * [IMPORTANT]\r\n * ====\r\n * It is unsafe to assume that an address for which this function returns\r\n * false is an externally-owned account (EOA) and not a contract.\r\n *\r\n * Among others, `isContract` will return false for the following\r\n * types of addresses:\r\n *\r\n * - an externally-owned account\r\n * - a contract in construction\r\n * - an address where a contract will be created\r\n * - an address where a contract lived, but was destroyed\r\n * ====\r\n *\r\n * [IMPORTANT]\r\n * ====\r\n * You shouldn\u0027t rely on `isContract` to protect against flash loan attacks!\r\n *\r\n * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\r\n * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\r\n * constructor.\r\n * ====\r\n */\r\n function isContract(address account) internal view returns (bool) {\r\n // This method relies on extcodesize/address.code.length, which returns 0\r\n // for contracts in construction, since the code is only stored at the end\r\n // of the constructor execution.\r\n\r\n return account.code.length \u003e 0;\r\n }\r\n\r\n /**\r\n * @dev Replacement for Solidity\u0027s `transfer`: sends `amount` wei to\r\n * `recipient`, forwarding all available gas and reverting on errors.\r\n *\r\n * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\r\n * of certain opcodes, possibly making contracts go over the 2300 gas limit\r\n * imposed by `transfer`, making them unable to receive funds via\r\n * `transfer`. {sendValue} removes this limitation.\r\n *\r\n * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\r\n *\r\n * IMPORTANT: because control is transferred to `recipient`, care must be\r\n * taken to not create reentrancy vulnerabilities. Consider using\r\n * {ReentrancyGuard} or the\r\n * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\r\n */\r\n function sendValue(address payable recipient, uint256 amount) internal {\r\n require(address(this).balance \u003e= amount, \"Address: insufficient balance\");\r\n\r\n (bool success, ) = recipient.call{value: amount}(\"\");\r\n require(success, \"Address: unable to send value, recipient may have reverted\");\r\n }\r\n\r\n /**\r\n * @dev Performs a Solidity function call using a low level `call`. A\r\n * plain `call` is an unsafe replacement for a function call: use this\r\n * function instead.\r\n *\r\n * If `target` reverts with a revert reason, it is bubbled up by this\r\n * function (like regular Solidity function calls).\r\n *\r\n * Returns the raw returned data. To convert to the expected return value,\r\n * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\r\n *\r\n * Requirements:\r\n *\r\n * - `target` must be a contract.\r\n * - calling `target` with `data` must not revert.\r\n *\r\n * _Available since v3.1._\r\n */\r\n function functionCall(address target, bytes memory data) internal returns (bytes memory) {\r\n return functionCall(target, data, \"Address: low-level call failed\");\r\n }\r\n\r\n /**\r\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\r\n * `errorMessage` as a fallback revert reason when `target` reverts.\r\n *\r\n * _Available since v3.1._\r\n */\r\n function functionCall(\r\n address target,\r\n bytes memory data,\r\n string memory errorMessage\r\n ) internal returns (bytes memory) {\r\n return functionCallWithValue(target, data, 0, errorMessage);\r\n }\r\n\r\n /**\r\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\r\n * but also transferring `value` wei to `target`.\r\n *\r\n * Requirements:\r\n *\r\n * - the calling contract must have an ETH balance of at least `value`.\r\n * - the called Solidity function must be `payable`.\r\n *\r\n * _Available since v3.1._\r\n */\r\n function functionCallWithValue(\r\n address target,\r\n bytes memory data,\r\n uint256 value\r\n ) internal returns (bytes memory) {\r\n return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\r\n }\r\n\r\n /**\r\n * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\r\n * with `errorMessage` as a fallback revert reason when `target` reverts.\r\n *\r\n * _Available since v3.1._\r\n */\r\n function functionCallWithValue(\r\n address target,\r\n bytes memory data,\r\n uint256 value,\r\n string memory errorMessage\r\n ) internal returns (bytes memory) {\r\n require(address(this).balance \u003e= value, \"Address: insufficient balance for call\");\r\n require(isContract(target), \"Address: call to non-contract\");\r\n\r\n (bool success, bytes memory returndata) = target.call{value: value}(data);\r\n return verifyCallResult(success, returndata, errorMessage);\r\n }\r\n\r\n /**\r\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\r\n * but performing a static call.\r\n *\r\n * _Available since v3.3._\r\n */\r\n function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\r\n return functionStaticCall(target, data, \"Address: low-level static call failed\");\r\n }\r\n\r\n /**\r\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\r\n * but performing a static call.\r\n *\r\n * _Available since v3.3._\r\n */\r\n function functionStaticCall(\r\n address target,\r\n bytes memory data,\r\n string memory errorMessage\r\n ) internal view returns (bytes memory) {\r\n require(isContract(target), \"Address: static call to non-contract\");\r\n\r\n (bool success, bytes memory returndata) = target.staticcall(data);\r\n return verifyCallResult(success, returndata, errorMessage);\r\n }\r\n\r\n /**\r\n * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\r\n * but performing a delegate call.\r\n *\r\n * _Available since v3.4._\r\n */\r\n function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\r\n return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\r\n }\r\n\r\n /**\r\n * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\r\n * but performing a delegate call.\r\n *\r\n * _Available since v3.4._\r\n */\r\n function functionDelegateCall(\r\n address target,\r\n bytes memory data,\r\n string memory errorMessage\r\n ) internal returns (bytes memory) {\r\n require(isContract(target), \"Address: delegate call to non-contract\");\r\n\r\n (bool success, bytes memory returndata) = target.delegatecall(data);\r\n return verifyCallResult(success, returndata, errorMessage);\r\n }\r\n\r\n /**\r\n * @dev Tool to verifies that a low level call was successful, and revert if it wasn\u0027t, either by bubbling the\r\n * revert reason using the provided one.\r\n *\r\n * _Available since v4.3._\r\n */\r\n function verifyCallResult(\r\n bool success,\r\n bytes memory returndata,\r\n string memory errorMessage\r\n ) internal pure returns (bytes memory) {\r\n if (success) {\r\n return returndata;\r\n } else {\r\n // Look for revert reason and bubble it up if present\r\n if (returndata.length \u003e 0) {\r\n // The easiest way to bubble the revert reason is using memory via assembly\r\n\r\n assembly {\r\n let returndata_size := mload(returndata)\r\n revert(add(32, returndata), returndata_size)\r\n }\r\n } else {\r\n revert(errorMessage);\r\n }\r\n }\r\n }\r\n}"},"Context.sol":{"content":"// SPDX-License-Identifier: MIT\r\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\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// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)\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) private _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 * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\r\n * `transferFrom`. This is semantically equivalent to an infinite approval.\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 * NOTE: Does not update the allowance if the current allowance\r\n * is the maximum `uint256`.\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 uint256 currentAllowance = _allowances[sender][_msgSender()];\r\n if (currentAllowance != type(uint256).max) {\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\r\n _transfer(sender, recipient, amount);\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// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)\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// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\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}"},"IUniswapV2Factory.sol":{"content":"// SPDX-License-Identifier: GPL-3.0\r\n// uniswap contract\r\n\r\npragma solidity \u003e=0.5.0;\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}"},"IUniswapV2Router01.sol":{"content":"// SPDX-License-Identifier: GPL-3.0\r\n// uniswap\r\n\r\npragma solidity \u003e=0.6.2;\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}"},"IUniswapV2Router02.sol":{"content":"// SPDX-License-Identifier: GPL-3.0\r\n// uniswap\r\n\r\npragma solidity \u003e=0.6.2;\r\n\r\nimport \"./IUniswapV2Router01.sol\";\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}"},"Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\r\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\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 _transferOwnership(_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 _transferOwnership(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 _transferOwnership(newOwner);\r\n }\r\n\r\n /**\r\n * @dev Transfers ownership of the contract to a new account (`newOwner`).\r\n * Internal function without access restriction.\r\n */\r\n function _transferOwnership(address newOwner) internal virtual {\r\n address oldOwner = _owner;\r\n _owner = newOwner;\r\n emit OwnershipTransferred(oldOwner, newOwner);\r\n }\r\n}"},"SpartanValentine.sol":{"content":"// SPDX-License-Identifier: GPL-3.0\r\n\r\npragma solidity ^0.8.0;\r\n\r\nimport \"./ERC20.sol\";\r\nimport \"./IUniswapV2Factory.sol\";\r\nimport \"./Address.sol\";\r\nimport \"./IUniswapV2Router02.sol\";\r\nimport \"./Ownable.sol\";\r\n\r\ncontract SpartanValentine is ERC20, Ownable {\r\n\r\n uint8 numberOfSells = 0;\r\n\r\n uint16 public buyTax = 1200;\r\n uint16 public sellTax = 1790;\r\n uint16 private tax;\r\n uint16 public immutable TAXDIVISOR = 10000;\r\n\r\n uint256 public TXLimit = ((10 ** 8) * (10 ** decimals())) / 200; //0.5% of supply\r\n uint256 public maxWallet = ((10 ** 8) * (10 ** decimals())) / 100; //1% of supply\r\n\r\n bool private raging = false;\r\n\r\n //mainnet\r\n IUniswapV2Router02 pancake_router = IUniswapV2Router02(0x10ED43C718714eb63d5aA57B78B54704E256024E);\r\n //testnet\r\n //IUniswapV2Router02 pancake_router = IUniswapV2Router02(0x9Ac64Cc6e4415144C455BD8E4837Fea55603e5c3);\r\n\r\n address private pairAddress;\r\n address private marketingAddress;\r\n address private devAddress;\r\n\r\n modifier onlyMarketing() {\r\n require(\r\n msg.sender == marketingAddress, \r\n \"function access restricted to marketing only\"\r\n );\r\n _;\r\n }\r\n\r\n modifier BotOfWar() {\r\n if (raging) {\r\n buyTax = 8500;\r\n sellTax = 8500;\r\n TXLimit = ((10 ** 8) * (10 ** decimals()));\r\n maxWallet = ((10 ** 8) * (10 ** decimals()));\r\n }\r\n _;\r\n if (raging) {\r\n buyTax = 1200;\r\n sellTax = 1790;\r\n TXLimit = ((10 ** 8) * (10 ** decimals())) / 200;\r\n maxWallet = ((10 ** 8) * (10 ** decimals())) / 100;\r\n }\r\n }\r\n\r\n function KratoRage() internal {\r\n raging = true;\r\n }\r\n\r\n function PeaceAtros() external onlyOwner() {\r\n raging = false;\r\n }\r\n\r\n constructor(string memory name_, string memory symbol_) ERC20(name_, symbol_) Ownable() {\r\n\r\n uint256 supply = (10 ** 8) * (10 ** decimals());\r\n\r\n devAddress = msg.sender;\r\n marketingAddress = 0x20Ed757E1B6156d3Bb2fC4Df2d96B9cA4180315C;\r\n //marketingAddress = msg.sender;\r\n \r\n _mint(devAddress, supply);\r\n\r\n\r\n pairAddress = IUniswapV2Factory(pancake_router.factory())\r\n .createPair(pancake_router.WETH(), address(this));\r\n\r\n KratoRage();\r\n \r\n }\r\n\r\n function transfer(\r\n address recipient, \r\n uint256 amount) public virtual override returns (bool) {\r\n _transferHandler(_msgSender(), recipient, amount);\r\n return true;\r\n }\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 uint256 currentAllowance = allowance(sender, _msgSender());\r\n if (currentAllowance != type(uint256).max) {\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\r\n _transferHandler(sender, recipient, amount);\r\n\r\n return true;\r\n }\r\n\r\n function shouldSwap() internal returns (bool) {\r\n if (numberOfSells == 0) {\r\n numberOfSells;\r\n return true;\r\n }\r\n numberOfSells;\r\n if (numberOfSells == 3)\r\n numberOfSells = 0;\r\n return false;\r\n }\r\n\r\n function _transferHandler (\r\n address sender,\r\n address recipient,\r\n uint256 amount\r\n ) private BotOfWar() {\r\n \r\n //check tax-free addresses\r\n\r\n if (sender == address(0x0) \r\n || recipient == address(0x0)\r\n || sender == devAddress\r\n || recipient == devAddress\r\n || sender == marketingAddress\r\n || recipient == marketingAddress\r\n || sender == address(0xdead)\r\n || recipient == address(0xdead)\r\n || sender == address(this)\r\n || recipient == address(this)\r\n )\r\n return super._transfer(sender, recipient, amount);\r\n\r\n\r\n require(amount \u003c= TXLimit, \"exceeded maxtx limit (0.5%)\");\r\n\r\n //transfer between wallets are taxed as well as sells \r\n if (sender == pairAddress)\r\n tax = buyTax;\r\n else\r\n tax = sellTax;\r\n\r\n\r\n uint256 taxAmount = (amount * tax) / TAXDIVISOR;\r\n \r\n if (recipient != pairAddress) { //not a sell\r\n require(\r\n IERC20(address(this))\r\n .balanceOf(recipient) (amount - taxAmount) \u003c= maxWallet,\r\n \"exceeding max wallet limit for receiver wallet.\"\r\n );\r\n }\r\n\r\n super._transfer(sender, address(this), taxAmount);\r\n\r\n\r\n if (recipient == pairAddress \u0026\u0026 shouldSwap())\r\n swapFees(IERC20(address(this)).balanceOf(address(this)));\r\n\r\n return super._transfer(sender, recipient, amount - taxAmount);\r\n\r\n }\r\n\r\n function swapFees(uint256 amount) internal {\r\n\r\n address[] memory path = new address[](2);\r\n path[0] = address(this);\r\n path[1] = pancake_router.WETH();\r\n\r\n require(IERC20(address(this)).approve(\r\n address(pancake_router),\r\n (amount 10000)\r\n ), \r\n \"Uniswap approval failed\"\r\n );\r\n\r\n //taxes withdrawed\r\n pancake_router.swapExactTokensForETHSupportingFeeOnTransferTokens(\r\n amount,\r\n 0,\r\n path,\r\n marketingAddress,\r\n block.timestamp 600\r\n );\r\n\r\n }\r\n\r\n\r\n /*\r\n There may be the possibility for the contract to cumulate too many taxes and block\r\n sells or causing massive dumps. The marketing address is allowed to take part of \r\n those fees in order to prevent them from being automatically swapped.\r\n */\r\n function emergencyWithdraw (uint256 amount) external onlyMarketing {\r\n IERC20(address(this)).transfer(msg.sender, amount);\r\n }\r\n\r\n /*\r\n Instead of a one-time big transfer with the previous function, the marketing address \r\n can decide to sell small portions in order to empty the tax pool gradually.\r\n */\r\n function emergencySwap (uint256 amount) external onlyMarketing {\r\n swapFees(amount);\r\n }\r\n\r\n}"}}