creation_sourcecode: {{
    "language": "Solidity",
    "sources": {
      "@openzeppelin/contracts/access/Ownable.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby disabling any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\n     */\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/ERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/ERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC20.sol\";\nimport \"./extensions/IERC20Metadata.sol\";\nimport \"../../utils/Context.sol\";\n\n/**\n * @dev Implementation of the {IERC20} interface.\n *\n * This implementation is agnostic to the way tokens are created. This means\n * that a supply mechanism has to be added in a derived contract using {_mint}.\n * For a generic mechanism see {ERC20PresetMinterPauser}.\n *\n * TIP: For a detailed writeup see our guide\n * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How\n * to implement supply mechanisms].\n *\n * The default value of {decimals} is 18. To change this, you should override\n * this function so it returns a different value.\n *\n * We have followed general OpenZeppelin Contracts guidelines: functions revert\n * instead returning `false` on failure. This behavior is nonetheless\n * conventional and does not conflict with the expectations of ERC20\n * applications.\n *\n * Additionally, an {Approval} event is emitted on calls to {transferFrom}.\n * This allows applications to reconstruct the allowance for all accounts just\n * by listening to said events. Other implementations of the EIP may not emit\n * these events, as it isn't required by the specification.\n *\n * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}\n * functions have been added to mitigate the well-known issues around setting\n * allowances. See {IERC20-approve}.\n */\ncontract ERC20 is Context, IERC20, IERC20Metadata {\n    mapping(address => uint256) private _balances;\n\n    mapping(address => mapping(address => uint256)) private _allowances;\n\n    uint256 private _totalSupply;\n\n    string private _name;\n    string private _symbol;\n\n    /**\n     * @dev Sets the values for {name} and {symbol}.\n     *\n     * All two of these values are immutable: they can only be set once during\n     * construction.\n     */\n    constructor(string memory name_, string memory symbol_) {\n        _name = name_;\n        _symbol = symbol_;\n    }\n\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() public view virtual override returns (string memory) {\n        return _name;\n    }\n\n    /**\n     * @dev Returns the symbol of the token, usually a shorter version of the\n     * name.\n     */\n    function symbol() public view virtual override returns (string memory) {\n        return _symbol;\n    }\n\n    /**\n     * @dev Returns the number of decimals used to get its user representation.\n     * For example, if `decimals` equals `2`, a balance of `505` tokens should\n     * be displayed to a user as `5.05` (`505 / 10 ** 2`).\n     *\n     * Tokens usually opt for a value of 18, imitating the relationship between\n     * Ether and Wei. This is the default value returned by this function, unless\n     * it's overridden.\n     *\n     * NOTE: This information is only used for _display_ purposes: it in\n     * no way affects any of the arithmetic of the contract, including\n     * {IERC20-balanceOf} and {IERC20-transfer}.\n     */\n    function decimals() public view virtual override returns (uint8) {\n        return 18;\n    }\n\n    /**\n     * @dev See {IERC20-totalSupply}.\n     */\n    function totalSupply() public view virtual override returns (uint256) {\n        return _totalSupply;\n    }\n\n    /**\n     * @dev See {IERC20-balanceOf}.\n     */\n    function balanceOf(address account) public view virtual override returns (uint256) {\n        return _balances[account];\n    }\n\n    /**\n     * @dev See {IERC20-transfer}.\n     *\n     * Requirements:\n     *\n     * - `to` cannot be the zero address.\n     * - the caller must have a balance of at least `amount`.\n     */\n    function transfer(address to, uint256 amount) public virtual override returns (bool) {\n        address owner = _msgSender();\n        _transfer(owner, to, amount);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-allowance}.\n     */\n    function allowance(address owner, address spender) public view virtual override returns (uint256) {\n        return _allowances[owner][spender];\n    }\n\n    /**\n     * @dev See {IERC20-approve}.\n     *\n     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on\n     * `transferFrom`. This is semantically equivalent to an infinite approval.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function approve(address spender, uint256 amount) public virtual override returns (bool) {\n        address owner = _msgSender();\n        _approve(owner, spender, amount);\n        return true;\n    }\n\n    /**\n     * @dev See {IERC20-transferFrom}.\n     *\n     * Emits an {Approval} event indicating the updated allowance. This is not\n     * required by the EIP. See the note at the beginning of {ERC20}.\n     *\n     * NOTE: Does not update the allowance if the current allowance\n     * is the maximum `uint256`.\n     *\n     * Requirements:\n     *\n     * - `from` and `to` cannot be the zero address.\n     * - `from` must have a balance of at least `amount`.\n     * - the caller must have allowance for ``from``'s tokens of at least\n     * `amount`.\n     */\n    function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {\n        address spender = _msgSender();\n        _spendAllowance(from, spender, amount);\n        _transfer(from, to, amount);\n        return true;\n    }\n\n    /**\n     * @dev Atomically increases the allowance granted to `spender` by the caller.\n     *\n     * This is an alternative to {approve} that can be used as a mitigation for\n     * problems described in {IERC20-approve}.\n     *\n     * Emits an {Approval} event indicating the updated allowance.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     */\n    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {\n        address owner = _msgSender();\n        _approve(owner, spender, allowance(owner, spender) + addedValue);\n        return true;\n    }\n\n    /**\n     * @dev Atomically decreases the allowance granted to `spender` by the caller.\n     *\n     * This is an alternative to {approve} that can be used as a mitigation for\n     * problems described in {IERC20-approve}.\n     *\n     * Emits an {Approval} event indicating the updated allowance.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `spender` must have allowance for the caller of at least\n     * `subtractedValue`.\n     */\n    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {\n        address owner = _msgSender();\n        uint256 currentAllowance = allowance(owner, spender);\n        require(currentAllowance >= subtractedValue, \"ERC20: decreased allowance below zero\");\n        unchecked {\n            _approve(owner, spender, currentAllowance - subtractedValue);\n        }\n\n        return true;\n    }\n\n    /**\n     * @dev Moves `amount` of tokens from `from` to `to`.\n     *\n     * This internal function is equivalent to {transfer}, and can be used to\n     * e.g. implement automatic token fees, slashing mechanisms, etc.\n     *\n     * Emits a {Transfer} event.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `from` must have a balance of at least `amount`.\n     */\n    function _transfer(address from, address to, uint256 amount) internal virtual {\n        require(from != address(0), \"ERC20: transfer from the zero address\");\n        require(to != address(0), \"ERC20: transfer to the zero address\");\n\n        _beforeTokenTransfer(from, to, amount);\n\n        uint256 fromBalance = _balances[from];\n        require(fromBalance >= amount, \"ERC20: transfer amount exceeds balance\");\n        unchecked {\n            _balances[from] = fromBalance - amount;\n            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by\n            // decrementing then incrementing.\n            _balances[to] += amount;\n        }\n\n        emit Transfer(from, to, amount);\n\n        _afterTokenTransfer(from, to, amount);\n    }\n\n    /** @dev Creates `amount` tokens and assigns them to `account`, increasing\n     * the total supply.\n     *\n     * Emits a {Transfer} event with `from` set to the zero address.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     */\n    function _mint(address account, uint256 amount) internal virtual {\n        require(account != address(0), \"ERC20: mint to the zero address\");\n\n        _beforeTokenTransfer(address(0), account, amount);\n\n        _totalSupply += amount;\n        unchecked {\n            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.\n            _balances[account] += amount;\n        }\n        emit Transfer(address(0), account, amount);\n\n        _afterTokenTransfer(address(0), account, amount);\n    }\n\n    /**\n     * @dev Destroys `amount` tokens from `account`, reducing the\n     * total supply.\n     *\n     * Emits a {Transfer} event with `to` set to the zero address.\n     *\n     * Requirements:\n     *\n     * - `account` cannot be the zero address.\n     * - `account` must have at least `amount` tokens.\n     */\n    function _burn(address account, uint256 amount) internal virtual {\n        require(account != address(0), \"ERC20: burn from the zero address\");\n\n        _beforeTokenTransfer(account, address(0), amount);\n\n        uint256 accountBalance = _balances[account];\n        require(accountBalance >= amount, \"ERC20: burn amount exceeds balance\");\n        unchecked {\n            _balances[account] = accountBalance - amount;\n            // Overflow not possible: amount <= accountBalance <= totalSupply.\n            _totalSupply -= amount;\n        }\n\n        emit Transfer(account, address(0), amount);\n\n        _afterTokenTransfer(account, address(0), amount);\n    }\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.\n     *\n     * This internal function is equivalent to `approve`, and can be used to\n     * e.g. set automatic allowances for certain subsystems, etc.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `owner` cannot be the zero address.\n     * - `spender` cannot be the zero address.\n     */\n    function _approve(address owner, address spender, uint256 amount) internal virtual {\n        require(owner != address(0), \"ERC20: approve from the zero address\");\n        require(spender != address(0), \"ERC20: approve to the zero address\");\n\n        _allowances[owner][spender] = amount;\n        emit Approval(owner, spender, amount);\n    }\n\n    /**\n     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.\n     *\n     * Does not update the allowance amount in case of infinite allowance.\n     * Revert if not enough allowance is available.\n     *\n     * Might emit an {Approval} event.\n     */\n    function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {\n        uint256 currentAllowance = allowance(owner, spender);\n        if (currentAllowance != type(uint256).max) {\n            require(currentAllowance >= amount, \"ERC20: insufficient allowance\");\n            unchecked {\n                _approve(owner, spender, currentAllowance - amount);\n            }\n        }\n    }\n\n    /**\n     * @dev Hook that is called before any transfer of tokens. This includes\n     * minting and burning.\n     *\n     * Calling conditions:\n     *\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * will be transferred to `to`.\n     * - when `from` is zero, `amount` tokens will be minted for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.\n     * - `from` and `to` are never both zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n\n    /**\n     * @dev Hook that is called after any transfer of tokens. This includes\n     * minting and burning.\n     *\n     * Calling conditions:\n     *\n     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens\n     * has been transferred to `to`.\n     * - when `from` is zero, `amount` tokens have been minted for `to`.\n     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.\n     * - `from` and `to` are never both zero.\n     *\n     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].\n     */\n    function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\n\n/**\n * @dev Interface for the optional metadata functions from the ERC20 standard.\n *\n * _Available since v4.1._\n */\ninterface IERC20Metadata is IERC20 {\n    /**\n     * @dev Returns the name of the token.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the symbol of the token.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the decimals places of the token.\n     */\n    function decimals() external view returns (uint8);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/extensions/IERC20Permit.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in\n * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].\n *\n * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by\n * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't\n * need to send a transaction, and thus is not required to hold Ether at all.\n */\ninterface IERC20Permit {\n    /**\n     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,\n     * given ``owner``'s signed approval.\n     *\n     * IMPORTANT: The same issues {IERC20-approve} has related to transaction\n     * ordering also apply here.\n     *\n     * Emits an {Approval} event.\n     *\n     * Requirements:\n     *\n     * - `spender` cannot be the zero address.\n     * - `deadline` must be a timestamp in the future.\n     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`\n     * over the EIP712-formatted function arguments.\n     * - the signature must use ``owner``'s current nonce (see {nonces}).\n     *\n     * For more information on the signature format, see the\n     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP\n     * section].\n     */\n    function permit(\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) external;\n\n    /**\n     * @dev Returns the current nonce for `owner`. This value must be\n     * included whenever a signature is generated for {permit}.\n     *\n     * Every successful call to {permit} increases ``owner``'s nonce by one. This\n     * prevents a signature from being used multiple times.\n     */\n    function nonces(address owner) external view returns (uint256);\n\n    /**\n     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.\n     */\n    // solhint-disable-next-line func-name-mixedcase\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/IERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC20 standard as defined in the EIP.\n */\ninterface IERC20 {\n    /**\n     * @dev Emitted when `value` tokens are moved from one account (`from`) to\n     * another (`to`).\n     *\n     * Note that `value` may be zero.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 value);\n\n    /**\n     * @dev Emitted when the allowance of a `spender` for an `owner` is set by\n     * a call to {approve}. `value` is the new allowance.\n     */\n    event Approval(address indexed owner, address indexed spender, uint256 value);\n\n    /**\n     * @dev Returns the amount of tokens in existence.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns the amount of tokens owned by `account`.\n     */\n    function balanceOf(address account) external view returns (uint256);\n\n    /**\n     * @dev Moves `amount` tokens from the caller's account to `to`.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transfer(address to, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Returns the remaining number of tokens that `spender` will be\n     * allowed to spend on behalf of `owner` through {transferFrom}. This is\n     * zero by default.\n     *\n     * This value changes when {approve} or {transferFrom} are called.\n     */\n    function allowance(address owner, address spender) external view returns (uint256);\n\n    /**\n     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * IMPORTANT: Beware that changing an allowance with this method brings the risk\n     * that someone may use both the old and the new allowance by unfortunate\n     * transaction ordering. One possible solution to mitigate this race\n     * condition is to first reduce the spender's allowance to 0 and set the\n     * desired value afterwards:\n     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address spender, uint256 amount) external returns (bool);\n\n    /**\n     * @dev Moves `amount` tokens from `from` to `to` using the\n     * allowance mechanism. `amount` is then deducted from the caller's\n     * allowance.\n     *\n     * Returns a boolean value indicating whether the operation succeeded.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(address from, address to, uint256 amount) external returns (bool);\n}\n"
      },
      "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../IERC20.sol\";\nimport \"../extensions/IERC20Permit.sol\";\nimport \"../../../utils/Address.sol\";\n\n/**\n * @title SafeERC20\n * @dev Wrappers around ERC20 operations that throw on failure (when the token\n * contract returns false). Tokens that return no value (and instead revert or\n * throw on failure) are also supported, non-reverting calls are assumed to be\n * successful.\n * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,\n * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.\n */\nlibrary SafeERC20 {\n    using Address for address;\n\n    /**\n     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeTransfer(IERC20 token, address to, uint256 value) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));\n    }\n\n    /**\n     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the\n     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.\n     */\n    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {\n        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));\n    }\n\n    /**\n     * @dev Deprecated. This function has issues similar to the ones found in\n     * {IERC20-approve}, and its usage is discouraged.\n     *\n     * Whenever possible, use {safeIncreaseAllowance} and\n     * {safeDecreaseAllowance} instead.\n     */\n    function safeApprove(IERC20 token, address spender, uint256 value) internal {\n        // safeApprove should only be called when setting an initial allowance,\n        // or when resetting it to zero. To increase and decrease it, use\n        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'\n        require(\n            (value == 0) || (token.allowance(address(this), spender) == 0),\n            \"SafeERC20: approve from non-zero to non-zero allowance\"\n        );\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));\n    }\n\n    /**\n     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        uint256 oldAllowance = token.allowance(address(this), spender);\n        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));\n    }\n\n    /**\n     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful.\n     */\n    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {\n        unchecked {\n            uint256 oldAllowance = token.allowance(address(this), spender);\n            require(oldAllowance >= value, \"SafeERC20: decreased allowance below zero\");\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));\n        }\n    }\n\n    /**\n     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,\n     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval\n     * to be set to zero before setting it to a non-zero value, such as USDT.\n     */\n    function forceApprove(IERC20 token, address spender, uint256 value) internal {\n        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);\n\n        if (!_callOptionalReturnBool(token, approvalCall)) {\n            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));\n            _callOptionalReturn(token, approvalCall);\n        }\n    }\n\n    /**\n     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.\n     * Revert on invalid signature.\n     */\n    function safePermit(\n        IERC20Permit token,\n        address owner,\n        address spender,\n        uint256 value,\n        uint256 deadline,\n        uint8 v,\n        bytes32 r,\n        bytes32 s\n    ) internal {\n        uint256 nonceBefore = token.nonces(owner);\n        token.permit(owner, spender, value, deadline, v, r, s);\n        uint256 nonceAfter = token.nonces(owner);\n        require(nonceAfter == nonceBefore + 1, \"SafeERC20: permit did not succeed\");\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     */\n    function _callOptionalReturn(IERC20 token, bytes memory data) private {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that\n        // the target address contains contract code and also asserts for success in the low-level call.\n\n        bytes memory returndata = address(token).functionCall(data, \"SafeERC20: low-level call failed\");\n        require(returndata.length == 0 || abi.decode(returndata, (bool)), \"SafeERC20: ERC20 operation did not succeed\");\n    }\n\n    /**\n     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement\n     * on the return value: the return value is optional (but if data is returned, it must not be false).\n     * @param token The token targeted by the call.\n     * @param data The call data (encoded using abi.encode or one of its variants).\n     *\n     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.\n     */\n    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {\n        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since\n        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false\n        // and not revert is the subcall reverts.\n\n        (bool success, bytes memory returndata) = address(token).call(data);\n        return\n            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/Address.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     *\n     * Furthermore, `isContract` will also return true if the target contract within\n     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,\n     * which only has an effect at the end of a transaction.\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, \"Address: low-level call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\n     */\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance >= value, \"Address: insufficient balance for call\");\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\n     */\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\n     */\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResultFromTarget(target, success, returndata, errorMessage);\n    }\n\n    /**\n     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling\n     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.\n     *\n     * _Available since v4.8._\n     */\n    function verifyCallResultFromTarget(\n        address target,\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        if (success) {\n            if (returndata.length == 0) {\n                // only check isContract if the call was successful and the return data is empty\n                // otherwise we already know that it was a contract\n                require(isContract(target), \"Address: call to non-contract\");\n            }\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    /**\n     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason or using the provided one.\n     *\n     * _Available since v4.3._\n     */\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            _revert(returndata, errorMessage);\n        }\n    }\n\n    function _revert(bytes memory returndata, string memory errorMessage) private pure {\n        // Look for revert reason and bubble it up if present\n        if (returndata.length > 0) {\n            // The easiest way to bubble the revert reason is using memory via assembly\n            /// @solidity memory-safe-assembly\n            assembly {\n                let returndata_size := mload(returndata)\n                revert(add(32, returndata), returndata_size)\n            }\n        } else {\n            revert(errorMessage);\n        }\n    }\n}\n"
      },
      "@openzeppelin/contracts/utils/Context.sol": {
        "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\n */\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n}\n"
      },
      "contracts/IWETH9.sol": {
        "content": "pragma solidity >=0.4.18;\n\ninterface IWETH9 {\n    function deposit() external  payable;\n    function withdraw(uint) external;\n}"
      },
      "contracts/Kong.sol": {
        "content": "// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.20;\n\nimport \"@openzeppelin/contracts/token/ERC20/ERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/IERC20.sol\";\nimport \"@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol\";\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\n\nimport \"./v2-periphery/interfaces/IUniswapV2Router02.sol\";\nimport \"./v2-core/interfaces/IUniswapV2Factory.sol\";\nimport \"./v2-core/interfaces/IUniswapV2Pair.sol\";\nimport \"./IWETH9.sol\";\n\ncontract Kong is ERC20, Ownable {\n    using SafeERC20 for IERC20;\n\n    IUniswapV2Router02 immutable public router;\n    IUniswapV2Factory immutable public factory;\n    address immutable public wETH;\n    // The (WETH / KONG) pair address\n    address public pair;\n\n    // Tracks user bonuses per cycle\n    mapping(address => mapping(uint => uint)) public bonuses;\n    // Stores the permanent affiliate address that is linked to each user\n    mapping(address => address) public affiliates;\n    // Tracks the lifetime performance of an affiliate\n    // Used to calculate the affiliate percentage\n    mapping(address => uint) public globalAffiliateEarnings;\n    // Tracks the performance of an affiliate per cycle\n    mapping(address => mapping(uint => uint)) public cycleAffiliateEarnings;\n    // Tracks the sum of user buys per cycle\n    mapping(address => mapping(uint => uint)) public cycleBuys;\n\n    // Mapping to track when an affiliate becomes active\n    // `affiliateStartTimestamp[address] == 0` -> affiliate is not registered\n    // `affiliateStartTimestamp[address] == deploymentTimestamp` -> affiliate is registered, active and paid\n    // Can earn 5% up to 15% of the value referred\n    // `affiliateStartTimestamp[address] > deploymentTimestamp` -> affiliate is registered and not paid\n    // Can earn 5% of the value referred after it becomes active\n    // It becomes active one cycle after registration timestamp\n    // `affiliateStartTimestamp[address] < block.timestamp` -> affiliate is active\n    // Users that add liquidity during the bootstrap cycle will be registered as paid affiliates by default\n    mapping(address => uint) public affiliateStartTimestamp;\n    // Indexes registered affiliates\n    mapping(uint => address) public affiliateIndex;\n    // Count of the registered affiliates\n    // Used to iterate over the indexes to retrieve affiliates\n    // Can be used to create a ranking system since contract deployment or per cycle\n    uint public mappingIndex;\n\n    // Base percentage distributed to an active affiliate for each buy\n    uint public constant baseAffiliatePercentage = 500; // 5%\n    // Percentage that is added to the `baseAffiliatePercentage` only for paid affiliates based on their performance\n    uint public constant affiliatePercentageTick = 100; // 1%\n    // Percentage of funds collected for the affiliate prize pool that will be distributed to the most performant affiliate at the end of every cycle\n    uint public constant affiliatePrizePoolPercentage = 500; // 5%\n    // Percentage of funds collected for the degen prize pool that will be distributed to the cycle's #1 degen\n    uint public constant buyPrizePoolPercentage = 500; // 5%\n    // Represents 100.00%\n    uint public constant maxPercentage = 10000; // 100%\n\n    // Event emitted when `swapExactETHForTokens` is called\n    event Buy(uint indexed cycle, address buyer, address affiliate, uint256 ethValue, uint256 kongValue);\n    // Events emitted after prize distribution\n    event AffiliateWinner(uint indexed cycle, address winner, uint256 value);\n    event BuyWinner(uint indexed cycle, address winner, uint256 value);\n\n    // Tracks the nominated winners of the prize pools for each cycle\n    // `index` represents the index of the current cycle with at least one buy\n    // `topAffiliate` tracks the nominated winner for the affiliate prize pool\n    // `topAffiliateEarnings` tracks the performance of the nominated winner for the affiliate prize pool\n    // `topBuyer` tracks the nominated winner for the degen prize pool\n    // `topTotalBuyAmount` tracks the performance of the nominated winner for the degen prize pool\n    struct CycleStats {\n        uint index;\n        address topAffiliate;\n        uint topAffiliateEarnings;\n        address topBuyer;\n        uint topTotalBuyAmount;\n    }\n    CycleStats public currentCycleStats;\n\n    struct CycleWinner {\n        address topAffiliate;\n        uint topAffiliateEarnings;\n        uint affiliatePrize;\n        address topBuyer;\n        uint topTotalBuyAmount;\n        uint buyerPrize;\n    }\n    // An array of top earners and buyers of each cycle\n    CycleWinner[] public cycleWinners;\n\n    // Deployment timestamp of the contract\n    uint public immutable deploymentTimestamp;\n    // Bootstrap cycle timestamp end\n    uint public immutable bootstrapTimestampEnd;\n    // After the bootstrap cycle ends, the cycles will start\n    // Each cycle will have a `cycleInSeconds` duration\n    uint public immutable cycleInSeconds;\n\n    // KONG token can only be transferred from the pool.\n    // This means only buying and removing liquidity are possible.\n    // For other actions like adding liquidity, minting or burning it is required to temporarily disable the enforcement\n    bool private enforced = true;\n\n    // $KONG goes BRRR\n    constructor(address routerAddress, uint cycleDuration, uint bootstrapDuration) ERC20(\"Long Kong\", \"KONG\") {\n        router = IUniswapV2Router02(routerAddress);\n        factory = IUniswapV2Factory(router.factory());\n        wETH = router.WETH();\n        cycleInSeconds = cycleDuration;\n        deploymentTimestamp = block.timestamp;\n        bootstrapTimestampEnd = deploymentTimestamp + bootstrapDuration; // + 14 * 60 * 60 * 24;\n        currentCycleStats.index = 1;\n    }\n\n    // Kong has 0 decimals\n    function decimals() public view virtual override returns (uint8) {\n        return 0;\n    }\n\n    // Checks if bootstrap cycle is active\n    function inBootstrap() public view returns (bool) {\n        return bootstrapTimestampEnd > block.timestamp;\n    }\n\n    // Calculates the current cycle\n    function getCycle() public view returns (uint) {\n        if (inBootstrap()) {\n            return 0;\n        }\n        return (block.timestamp - bootstrapTimestampEnd) / cycleInSeconds + 1;\n    }\n\n    // This method is called before every transfer.\n    // `enforced` is always `true` unless it is temporarily set to `false` when performing actions like adding liquidity, burning or minting\n    // One cannot transfer during the bootstrap cycle so users won't be able to add liquidity using the Kong contract\n    // and remove it from the Uniswap router, thus keeping the minted tokens during bootstrap\n    // Only transfers from the pair (WETH / KONG) are allowed, which means two possible actions: buying and removing liquidity\n    // Kong contract provides the necessary methods to remove liquidity\n    function _beforeTokenTransfer(address from, address to, uint amount) internal override view {\n        if (enforced) {\n            require(!inBootstrap(), \"In bootstrap\");\n            require(from == pair, \"Cannot transfer\");\n        }\n    }\n\n    // This method needs to be called right after deployment such that the pair is created by adding the initial liquidity and setting the price\n    // The liquidity is burned by sending it to the `0x0` address and the ownership of the Kong contract is renounced\n    function createPairAndRenounce() external payable onlyOwner {\n        uint mintAmount = 1e4;\n        require(msg.value == 1e15, \"ETH value less than mintAmount\");\n\n        enforced = false;\n        _mint(address(this), mintAmount);\n        enforced = true;\n        _approve(address(this), address(router), mintAmount);\n\n        IWETH9(wETH).deposit{value: msg.value}();\n        IERC20(wETH).approve(address(router), msg.value);\n\n        enforced = false;\n        router.addLiquidity(address(this), wETH, mintAmount, msg.value, 0, 0, address(0x0), block.timestamp + 1000);\n        enforced = true;\n        pair = factory.getPair(address(this), wETH);\n        renounceOwnership();\n\n        // Bootstrap does not have winners\n        cycleWinners.push(CycleWinner({\n            topAffiliate: address(0x0),\n            topAffiliateEarnings: 0,\n            affiliatePrize : 0,\n            topBuyer: address(0x0),\n            topTotalBuyAmount: 0,\n            buyerPrize : 0\n        }));\n    }\n\n    // The \"buy\" method has the most complex logic\n    // It handles buys, bonuses, tracks prize pools nominated winners, calculates affiliate percentages and distributes affiliate prizes\n    // It has one extra parameter than Uniswap's version i.e. the `affiliate` parameter which specifies the desired affiliate for a particular user\n    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline, address affiliate) external payable returns (uint[] memory amounts) {\n        // Cannot buy during bootstrap cycle\n        require(!inBootstrap(), \"Bootstrap has not ended\");\n        // Minimum buy value\n        require(msg.value > 1e14 wei, \"Not enough ETH amount\");\n        // The only accepted path is wETH -> KONG\n        require(path.length == 2, \"Path length must be 2\");\n        require(path[0] == wETH, \"Path[0] must be the wETH address\");\n        require(path[1] == address(this), \"Path[1] must be the KONG address\");\n\n        // If set, returns the permanent affiliate\n        // Else returns the desired affiliate if it's registered and active\n        // Otherwise returns address `0x0`\n        address finalAffiliate = getAffiliate(to, affiliate);\n\n        // Used to calculate the amount of ETH when the Uniswap router `swapExactETHForTokens` method is called\n        uint amountInEth = msg.value;\n\n        uint pairWETHBalance = IERC20(wETH).balanceOf(pair);\n        uint pairKongBalance = balanceOf(pair);\n\n        // Expected amount of KONG to be bought using the full ETH value sent\n        uint fullBuyAmount = router.getAmountOut(msg.value, pairWETHBalance, pairKongBalance);\n\n        // This path is taken if the direct beneficiary `to` has a linked affiliate\n        // Only users with a linked affiliate get bonuses\n        if (finalAffiliate != address(0x0)) {\n            // Deducts the percentages for `affiliate`, `affiliatePrizePool` and `buyerPrizePool` from the total amount of ETH sent (100%)\n            // This means buying with a value ranging from 75% to 85%, thus less KONG will be received after the buy call\n            // The remaining KONG amount up to `fullBuyAmount` will be minted by the contract\n            // Each linked affiliate receives a dynamic percentage based on their past performance\n            amountInEth -= (msg.value * (getAffiliatePercentage(finalAffiliate) + affiliatePrizePoolPercentage + buyPrizePoolPercentage) / maxPercentage);\n\n            // Estimated amount of KONG to be bought using the remaining ETH\n            uint amountOutMinKong = router.getAmountOut(amountInEth, pairWETHBalance, pairKongBalance);\n\n            // Actual buy using the remaining ETH value and expecting at least `amountOutMinKong` KONG\n            amounts = router.swapExactETHForTokens{value: amountInEth}(amountOutMinKong, path, to, deadline);\n\n            // Checks if new top affiliates and top degens need to be nominated for the prize pools\n            // Called before updating the prize pool by depositing ETH\n            // In case we are in the next cycle, the winners will be rewarded from the old prize pool\n            // Otherwise, there will be no need for payment\n            calculateStats(to, finalAffiliate);\n\n            // Deposit the remaining ETH after potentially distributing prizes\n            IWETH9(wETH).deposit{value: msg.value - amountInEth}();\n\n            // Send the wETH to the affiliate\n            IERC20(wETH).safeTransfer(finalAffiliate, (msg.value * getAffiliatePercentage(finalAffiliate) / maxPercentage));\n\n            // Update the global performance of the affiliates\n            // Do not use `getAffiliatePercentage(to)` after updating because the percentage might change\n            globalAffiliateEarnings[finalAffiliate] += msg.value;\n\n            // Start of bonus logic\n            uint currentCycle = getCycle();\n\n            // In cycle 1, each buy is granted 100% KONG bonus as there are no earlier cycles where bonuses could be gained\n            if (currentCycle == 1) {\n                bonuses[to][currentCycle] += fullBuyAmount;\n//                bonuses[to][currentCycle] += fullBuyAmount * 50 / 100;\n            }\n\n            // Each buy grants 200% KONG bonus in the next cycle\n            bonuses[to][currentCycle + 1] += fullBuyAmount * 2;\n//            bonuses[to][currentCycle + 1] += fullBuyAmount * 5 / 10;\n\n            uint currentBonus = bonuses[to][currentCycle];\n            // Instantiate `mintAmount` with the difference stated earlier to make up for the ETH distributed to the affiliate and the prize pools\n            uint mintAmount = fullBuyAmount - amountOutMinKong;\n            //\n            //\n\n            // If the user has a bonus to claim in the current stage\n            if (currentBonus > 0) {\n                // If the bonus is bigger than the full buy amount, only subtract the `fullBuyAmount` from the bonus\n                if (currentBonus > fullBuyAmount) {\n                    bonuses[to][currentCycle] -= fullBuyAmount;\n                    mintAmount += fullBuyAmount;\n                } else {\n                    // This means that the current bonus is less than `fullBuyAmount` and the remaining bonus is 0\n                    bonuses[to][currentCycle] = 0;\n                    mintAmount += currentBonus;\n                }\n            }\n            //\n\n            // Set enforced to `false` to allow minting\n            enforced = false;\n            _mint(to, mintAmount);\n            enforced = true;\n\n            emit Buy(currentCycle, to, finalAffiliate, msg.value, amounts[1] + mintAmount);\n        }\n            // The user buying does not have a linked affiliate, so no bonuses will be granted\n            // No ETH will be sent to the affiliate\n        else {\n\n            // The user will still contribute to the prize pools and the remaining amount will be minted\n            amountInEth -= (msg.value * (affiliatePrizePoolPercentage + buyPrizePoolPercentage) / maxPercentage);\n\n            // Calculate how much KONG will be received for buying with the lesser amount\n            amountOutMin = router.getAmountOut(amountInEth, pairWETHBalance, pairKongBalance);\n\n            // Actual buy\n            amounts = router.swapExactETHForTokens{value: amountInEth}(amountOutMin, path, to, deadline);\n\n            // Checks if new top affiliates and top degens need to be nominated for the prize pools\n            // Called before updating the prize pool by depositing ETH\n            // In case we are in the next cycle, the winners will be rewarded from the old prize pool\n            // Otherwise, there will be no need for payment\n            calculateStats(to, finalAffiliate);\n\n            // Deposit remaining ETH\n            IWETH9(wETH).deposit{value: msg.value - amountInEth}();\n\n            // Making up for the ETH that has been contributed to the prize pools\n            if (fullBuyAmount > amounts[1]) {\n                enforced = false;\n                _mint(to, fullBuyAmount - amounts[1]);\n                enforced = true;\n            }\n\n            emit Buy(getCycle(), to, finalAffiliate, msg.value, fullBuyAmount);\n        }\n    }\n\n    // Method for adding liquidity using wETH\n    function addLiquidity(address tokenA, address tokenB, uint amountTokenDesired, uint amountWETHDesired, uint amountAMin, uint amountBMin,\n        address to, uint deadline) public returns (uint amountA, uint amountB, uint liquidity) {\n        require(tokenA == address(this), \"tokenA should be the token address\");\n        require(tokenB == wETH, \"tokenB should be wETH\");\n\n        // When calling `addLiquidity` from within another contract, the funds must belong to that particular contract, in this case the KONG contract\n        // Transfer the desired wETH to KONG contract and approve\n        IERC20(wETH).safeTransferFrom(_msgSender(), address(this), amountWETHDesired);\n        IERC20(wETH).approve(address(router), amountWETHDesired);\n\n        // During bootstrap, there is no need to provide KONG when adding liquidity, the required amount will be minted\n        if (inBootstrap()) {\n\n            // Calculate the amount of KONG required to add liquidity for the current (WETH / KONG) ratio in the pool\n            amountTokenDesired = router.quote(amountWETHDesired, IERC20(wETH).balanceOf(pair), balanceOf(pair));\n            amountAMin = amountTokenDesired;\n\n            // Mint the required KONG amount to this contract\n            enforced = false;\n            _mint(address(this), amountTokenDesired);\n            enforced = true;\n\n            // When adding liquidity during bootstrap, the user automatically receives paid affiliate status\n            if(affiliateStartTimestamp[to] == 0) {\n                affiliateStartTimestamp[to] = deploymentTimestamp;\n                affiliateIndex[mappingIndex] = to;\n                mappingIndex += 1;\n            }\n        } else {\n            // If not in bootstrap, the KONG amount must be transferred from the user to this contract before adding liquidity\n            enforced = false;\n            IERC20(address(this)).safeTransferFrom(_msgSender(), address(this), amountTokenDesired);\n            enforced = true;\n        }\n\n        // Approve the router to spend the desired KONG amount\n        IERC20(address(this)).approve(address(router), amountTokenDesired);\n\n        // Add liquidity\n        enforced = false;\n        (amountA, amountB, liquidity) = router.addLiquidity(address(this), wETH, amountTokenDesired, amountWETHDesired, amountAMin, amountBMin, to, deadline);\n        enforced = true;\n\n        // Return the remainder that was not added to the liquidity back to the user, if any\n        if (amountA < amountTokenDesired) {\n            enforced = false;\n            IERC20(address(this)).safeTransfer(_msgSender(), amountTokenDesired - amountA);\n            enforced = true;\n        }\n        if (amountB < amountWETHDesired) {\n            IERC20(wETH).safeTransfer(_msgSender(), amountWETHDesired - amountB);\n        }\n    }\n\n    // Same logic as `addLiquidity`\n    function addLiquidityETH(address token, uint amountTokenDesired, uint amountTokenMin, uint amountETHMin, address to, uint deadline\n    ) external payable returns (uint amountA, uint amountB, uint liquidity) {\n        require(token == address(this), \"tokenA should be the token address\");\n        require(msg.value >= amountETHMin, \"msg.value < amountEthMin\");\n\n        // Only work with wETH\n        IWETH9(wETH).deposit{value: msg.value}();\n        IERC20(wETH).approve(address(router), msg.value);\n\n        if (inBootstrap()) {\n            amountTokenDesired = router.quote(msg.value, IERC20(wETH).balanceOf(pair), balanceOf(pair));\n            amountTokenMin = amountTokenDesired;\n\n            enforced = false;\n            _mint(address(this), amountTokenDesired);\n            enforced = true;\n\n            if(affiliateStartTimestamp[to] == 0) {\n                affiliateStartTimestamp[to] = deploymentTimestamp;\n                affiliateIndex[mappingIndex] = to;\n                mappingIndex += 1;\n            }\n        } else {\n            enforced = false;\n            IERC20(address(this)).safeTransferFrom(_msgSender(), address(this), amountTokenDesired);\n            enforced = true;\n        }\n\n        IERC20(address(this)).approve(address(router), amountTokenDesired);\n\n        enforced = false;\n        (amountA, amountB, liquidity) = router.addLiquidity(address(this), wETH, amountTokenDesired, msg.value, amountTokenMin, amountETHMin, to, deadline);\n        enforced = true;\n\n        if (amountA < amountTokenDesired) {\n            enforced = false;\n            IERC20(address(this)).safeTransfer(_msgSender(), amountTokenDesired - amountA);\n            enforced = true;\n        }\n        if (amountB < msg.value) {\n            IERC20(wETH).safeTransfer(_msgSender(), msg.value - amountB);\n        }\n    }\n\n    // Method for removing liquidity\n    function removeLiquidity(address tokenA, address tokenB, uint liquidity, uint amountAMin, uint amountBMin, address to, uint deadline)\n    public returns (uint amountA, uint amountB) {\n        require(tokenA == address(this), \"tokenA has to be the token\");\n        require(tokenB == wETH, \"tokenB should be wETH\");\n\n        // Transfer the LP token from the user to this contract first and approve the router to spend it\n        IERC20(pair).safeTransferFrom(_msgSender(), address(this), liquidity);\n        IERC20(pair).approve(address(router), liquidity);\n\n        // Actual remove liquidity call\n        // `amountA` -> amount of KONG removed from the liquidity pool\n        // `amountB` -> amount of wETH removed from the liquidity pool\n        enforced = false;\n        (amountA, amountB) = router.removeLiquidity(tokenA, tokenB, liquidity, amountAMin, amountBMin, address(this), deadline);\n\n        if(inBootstrap()) {\n            // During bootstrap, the removed KONG will be burned\n            _burn(address(this), amountA);\n        } else {\n            // After bootstrap, the removed KONG will be sent back to the user\n            IERC20(address(this)).safeTransfer(to, amountA);\n        }\n        enforced = true;\n\n        // Transfer the wETH back to the user\n        IERC20(wETH).safeTransfer(to, amountB);\n    }\n\n    // This method also returns wETH, not ETH\n    function removeLiquidityETH(address token, uint liquidity, uint amountTokenMin, uint amountETHMin, address to, uint deadline)\n    external returns (uint amountToken, uint amountETH) {\n        (amountToken, amountETH) = removeLiquidity(address(this), wETH, liquidity, amountTokenMin, amountETHMin, to, deadline);\n    }\n\n    // Method that returns the affiliate address of a beneficiary `to` and permanently stores the desired affiliate address\n    function getAffiliate(address to, address affiliate) internal returns (address) {\n        // Check if the user has a linked affiliate\n        if (affiliates[to] != address(0x0)) {\n            return affiliates[to];\n        }\n            // A beneficiary cannot be its own affiliate or have the `0x0` address as affiliate\n        else if (affiliate != address(0x0) && affiliate != _msgSender() && affiliate != to) {\n            // Check the comments for `affiliateStartTimestamp` to see conditions\n            // Do not store the affiliate unless it is registered and active\n            if (!(affiliateStartTimestamp[affiliate] > 0 && affiliateStartTimestamp[affiliate] < block.timestamp)) {\n                return address(0x0);\n            }\n            // The desired affiliate is registered and active or was paid so it is permenently stored\n            affiliates[to] = affiliate;\n            return affiliate;\n        }\n        return address(0x0);\n    }\n\n    // The method used to register an affiliate\n    // There are 2 possible scenarios:\n    // 1. Free affiliate (anyone can register): the address will become active after one cycle duration.\n    // After becoming active, this type of affiliate will get `baseAffiliatePercentage`\n    // Until then, it receives 0%\n    // 2. Paid affiliate must spend 0.1 ETH: the address will become active immediately\n    // This type of affiliate starts at `baseAffiliatePercentage` and can grow up to `baseAffiliatePercentage + 10%`\n    function registerAffiliate(address[] calldata path) external payable {\n        // Bootstrap participants become paid affiliates by default\n        require(!inBootstrap(), \"Bootstrap has not ended\");\n\n        // Add new affiliate\n        if(affiliateStartTimestamp[_msgSender()] == 0) {\n            affiliateIndex[mappingIndex] = _msgSender();\n            mappingIndex += 1;\n        }\n\n        // Prevent multiple registrations as paid affiliate, but allow free affiliates to upgrade\n        if(msg.value >= 0.1 ether) {\n            require(affiliateStartTimestamp[_msgSender()] != deploymentTimestamp, \"Already paid fee\");\n            require(path.length == 2, \"Path length must be 2\");\n            require(path[0] == wETH, \"Path[0] must be the wETH address\");\n            require(path[1] == address(this), \"Path[1] must be the KONG address\");\n\n            // Distribute the affiliate fee to the active liquidity providers\n            uint[] memory amounts = router.swapExactETHForTokens{value: msg.value}(0, path, _msgSender(), block.timestamp + 1000);\n            //\n\n            // Burn the received KONG amount\n            enforced = false;\n            _burn(_msgSender(), amounts[1]);\n            //\n            enforced = true;\n\n            // Set paid affiliate status\n            affiliateStartTimestamp[_msgSender()] = deploymentTimestamp;\n        } else {\n            // Prevent multiple registrations as free affiliate\n            require(affiliateStartTimestamp[_msgSender()] == 0, \"Already registered affiliate\");\n            require(msg.value == 0, \"Register costs 0.1 ETH\");\n\n            // The free affiliate becomes active one cycle after registration\n            affiliateStartTimestamp[_msgSender()] = block.timestamp + cycleInSeconds;\n        }\n    }\n\n    // The method that calculates the `topAffiliate` and `topBuyer` for each cycle and pays the prizes during the first buy of a new cycle\n    // Must be called only in `swapExactETHForTokens`\n    function calculateStats(address to, address finalAffiliate) internal {\n        uint currentCycle = getCycle();\n\n        // Can't account for the value, if the buyer doesn't have a linked affiliate\n        if (finalAffiliate != address(0x0)) {\n            // Account for the value brought by this affiliate\n            cycleAffiliateEarnings[finalAffiliate][currentCycle] += msg.value;\n        }\n        // Account for the value brought by the beneficiary\n        cycleBuys[to][currentCycle] += msg.value;\n\n        // Update stats for current cycle\n        if (currentCycle == currentCycleStats.index) {\n            // If the affiliate is not linked, this means there aren't changes to the `topAffiliate` or `topAffiliateEarnings`\n            if (finalAffiliate != address(0x0)) {\n                // Set a new max for affiliates\n                if(cycleAffiliateEarnings[finalAffiliate][currentCycle] > currentCycleStats.topAffiliateEarnings) {\n                    currentCycleStats.topAffiliateEarnings = cycleAffiliateEarnings[finalAffiliate][currentCycle];\n                    currentCycleStats.topAffiliate = finalAffiliate;\n                }\n            }\n            // Set a new max for degens\n            if(cycleBuys[to][currentCycle] > currentCycleStats.topTotalBuyAmount) {\n                currentCycleStats.topTotalBuyAmount = cycleBuys[to][currentCycle];\n                currentCycleStats.topBuyer = to;\n            }\n        }\n            // If we are in a new cycle, it means we are in the first buy of this current cycle\n        else {\n            // Prize pools will be split evenly between affiliates and degens\n            uint totalPrize = IERC20(wETH).balanceOf(address(this));\n            uint affiliatePrize = totalPrize / 2;\n            // Calculate the prize for `buyWinner`\n            uint buyPrize = totalPrize - affiliatePrize;\n\n            CycleWinner memory winnerStats = CycleWinner({\n                topAffiliate : currentCycleStats.topAffiliate,\n                topAffiliateEarnings : currentCycleStats.topAffiliateEarnings,\n                affiliatePrize : affiliatePrize,\n                topBuyer : currentCycleStats.topBuyer,\n                topTotalBuyAmount : currentCycleStats.topTotalBuyAmount,\n                buyerPrize : buyPrize\n            });\n\n            // Save the `affiliateWinner`\n            address affiliateWinner = currentCycleStats.topAffiliate;\n\n            // If this buy does not have a linked affiliate, it means that in this new cycle, the new `topAffiliate` will be `address(0x0)` with 0 earnings\n            if (finalAffiliate == address(0x0)) {\n                currentCycleStats.topAffiliateEarnings = 0;\n                currentCycleStats.topAffiliate = address(0x0);\n            } else {\n                // Otherwise, we have a new `topAffiliate`\n                currentCycleStats.topAffiliateEarnings = msg.value;\n                currentCycleStats.topAffiliate = finalAffiliate;\n            }\n            // Send the prize to the `affiliateWinner`\n            // Checks if all buys in a cycle were from users without a linked affiliate.\n            // In this case the affiliate prize pool will be included in the next cycle pools\n            if (affiliateWinner != address(0x0) && affiliatePrize > 0) {\n                IERC20(wETH).safeTransfer(affiliateWinner, affiliatePrize);\n                emit AffiliateWinner(currentCycleStats.index, affiliateWinner, affiliatePrize);\n            }\n\n            address buyWinner = currentCycleStats.topBuyer;\n            // As this is the first buy in the new current cycle, we have a new `topBuyer` and a new `totalBuyAmount`\n            currentCycleStats.topTotalBuyAmount = msg.value;\n            currentCycleStats.topBuyer = to;\n\n            // This should never happen, but check anyway\n            if(buyWinner != address(0x0) && buyPrize > 0) {\n                IERC20(wETH).safeTransfer(buyWinner, buyPrize);\n                emit BuyWinner(currentCycleStats.index, buyWinner, buyPrize);\n            }\n\n            cycleWinners.push(winnerStats);\n            // Change the index of the current cycle for the prize pools\n            currentCycleStats.index = currentCycle;\n        }\n    }\n\n    // The method that calculates percentages for affiliates based on their type and performance\n    function getAffiliatePercentage(address affiliate) public view returns (uint) {\n        // If the address is not registered at all, the percentage is 0\n        // Implemented for UI\n        if (affiliateStartTimestamp[affiliate] == 0) {\n            return 0;\n        }\n            // This means the affiliate has a free registration\n        else if (affiliateStartTimestamp[affiliate] > deploymentTimestamp) {\n            // If the affiliate is not active the percentage is 0\n            if (affiliateStartTimestamp[affiliate] > block.timestamp) {\n                return 0;\n            }\n            // Return the base percentage for the active affiliate\n            return baseAffiliatePercentage;\n        }\n\n        // If we get here it means that the affiliate has a paid registration and will receive a bonus percentage based on performance\n        // [0, 5) -> 5%\n        // [5, 10) -> 6%\n        // [10, 15) -> 7%\n        // [15, 20) -> 8%\n        // [20, 25) -> 9%\n        // [25, 30) -> 10%\n        // [30, 35) -> 11%\n        // [35, 40) -> 12%\n        // [40, 45) -> 13%\n        // [45, 50) -> 14%\n        // [50, inf) -> 15%\n        if (globalAffiliateEarnings[affiliate] >= 50 ether) {\n            return baseAffiliatePercentage + 10 * affiliatePercentageTick; // 15%\n        }\n        return (globalAffiliateEarnings[affiliate] / 5 ether) * affiliatePercentageTick + baseAffiliatePercentage;\n    }\n}\n"
      },
      "contracts/v2-core/interfaces/IUniswapV2Factory.sol": {
        "content": "pragma solidity >=0.5.0;\n\ninterface IUniswapV2Factory {\n    event PairCreated(address indexed token0, address indexed token1, address pair, uint);\n\n    function feeTo() external view returns (address);\n    function feeToSetter() external view returns (address);\n\n    function getPair(address tokenA, address tokenB) external pure returns (address pair);\n    function allPairs(uint) external view returns (address pair);\n    function allPairsLength() external view returns (uint);\n\n    function createPair(address tokenA, address tokenB) external returns (address pair);\n\n    function setFeeTo(address) external;\n    function setFeeToSetter(address) external;\n}\n"
      },
      "contracts/v2-core/interfaces/IUniswapV2Pair.sol": {
        "content": "pragma solidity >=0.5.0;\n\ninterface IUniswapV2Pair {\n    event Approval(address indexed owner, address indexed spender, uint value);\n    event Transfer(address indexed from, address indexed to, uint value);\n\n    function name() external pure returns (string memory);\n    function symbol() external pure returns (string memory);\n    function decimals() external pure returns (uint8);\n    function totalSupply() external view returns (uint);\n    function balanceOf(address owner) external view returns (uint);\n    function allowance(address owner, address spender) external view returns (uint);\n\n    function approve(address spender, uint value) external returns (bool);\n    function transfer(address to, uint value) external returns (bool);\n    function transferFrom(address from, address to, uint value) external returns (bool);\n\n    function DOMAIN_SEPARATOR() external view returns (bytes32);\n    function PERMIT_TYPEHASH() external pure returns (bytes32);\n    function nonces(address owner) external view returns (uint);\n\n    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;\n\n    event Mint(address indexed sender, uint amount0, uint amount1);\n    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);\n    event Swap(\n        address indexed sender,\n        uint amount0In,\n        uint amount1In,\n        uint amount0Out,\n        uint amount1Out,\n        address indexed to\n    );\n    event Sync(uint112 reserve0, uint112 reserve1);\n\n    function MINIMUM_LIQUIDITY() external pure returns (uint);\n    function factory() external view returns (address);\n    function token0() external view returns (address);\n    function token1() external view returns (address);\n    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);\n    function price0CumulativeLast() external view returns (uint);\n    function price1CumulativeLast() external view returns (uint);\n    function kLast() external view returns (uint);\n\n    function mint(address to) external returns (uint liquidity);\n    function burn(address to) external returns (uint amount0, uint amount1);\n    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;\n    function skim(address to) external;\n    function sync() external;\n\n    function initialize(address, address) external;\n}\n"
      },
      "contracts/v2-periphery/interfaces/IUniswapV2Router01.sol": {
        "content": "pragma solidity >=0.6.2;\n\ninterface IUniswapV2Router01 {\n    function factory() external pure returns (address);\n    function WETH() external pure returns (address);\n\n    function addLiquidity(\n        address tokenA,\n        address tokenB,\n        uint amountADesired,\n        uint amountBDesired,\n        uint amountAMin,\n        uint amountBMin,\n        address to,\n        uint deadline\n    ) external returns (uint amountA, uint amountB, uint liquidity);\n    function addLiquidityETH(\n        address token,\n        uint amountTokenDesired,\n        uint amountTokenMin,\n        uint amountETHMin,\n        address to,\n        uint deadline\n    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);\n    function removeLiquidity(\n        address tokenA,\n        address tokenB,\n        uint liquidity,\n        uint amountAMin,\n        uint amountBMin,\n        address to,\n        uint deadline\n    ) external returns (uint amountA, uint amountB);\n    function removeLiquidityETH(\n        address token,\n        uint liquidity,\n        uint amountTokenMin,\n        uint amountETHMin,\n        address to,\n        uint deadline\n    ) external returns (uint amountToken, uint amountETH);\n    function removeLiquidityWithPermit(\n        address tokenA,\n        address tokenB,\n        uint liquidity,\n        uint amountAMin,\n        uint amountBMin,\n        address to,\n        uint deadline,\n        bool approveMax, uint8 v, bytes32 r, bytes32 s\n    ) external returns (uint amountA, uint amountB);\n    function removeLiquidityETHWithPermit(\n        address token,\n        uint liquidity,\n        uint amountTokenMin,\n        uint amountETHMin,\n        address to,\n        uint deadline,\n        bool approveMax, uint8 v, bytes32 r, bytes32 s\n    ) external returns (uint amountToken, uint amountETH);\n    function swapExactTokensForTokens(\n        uint amountIn,\n        uint amountOutMin,\n        address[] calldata path,\n        address to,\n        uint deadline\n    ) external returns (uint[] memory amounts);\n    function swapTokensForExactTokens(\n        uint amountOut,\n        uint amountInMax,\n        address[] calldata path,\n        address to,\n        uint deadline\n    ) external returns (uint[] memory amounts);\n    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)\n        external\n        payable\n        returns (uint[] memory amounts);\n    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)\n        external\n        returns (uint[] memory amounts);\n    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)\n        external\n        returns (uint[] memory amounts);\n    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)\n        external\n        payable\n        returns (uint[] memory amounts);\n\n    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);\n    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);\n    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);\n    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);\n    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);\n}\n"
      },
      "contracts/v2-periphery/interfaces/IUniswapV2Router02.sol": {
        "content": "pragma solidity >=0.6.2;\n\nimport './IUniswapV2Router01.sol';\n\ninterface IUniswapV2Router02 is IUniswapV2Router01 {\n    function removeLiquidityETHSupportingFeeOnTransferTokens(\n        address token,\n        uint liquidity,\n        uint amountTokenMin,\n        uint amountETHMin,\n        address to,\n        uint deadline\n    ) external returns (uint amountETH);\n    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(\n        address token,\n        uint liquidity,\n        uint amountTokenMin,\n        uint amountETHMin,\n        address to,\n        uint deadline,\n        bool approveMax, uint8 v, bytes32 r, bytes32 s\n    ) external returns (uint amountETH);\n\n    function swapExactTokensForTokensSupportingFeeOnTransferTokens(\n        uint amountIn,\n        uint amountOutMin,\n        address[] calldata path,\n        address to,\n        uint deadline\n    ) external;\n    function swapExactETHForTokensSupportingFeeOnTransferTokens(\n        uint amountOutMin,\n        address[] calldata path,\n        address to,\n        uint deadline\n    ) external payable;\n    function swapExactTokensForETHSupportingFeeOnTransferTokens(\n        uint amountIn,\n        uint amountOutMin,\n        address[] calldata path,\n        address to,\n        uint deadline\n    ) external;\n}\n"
      }
    },
    "settings": {
      "optimizer": {
        "enabled": true,
        "runs": 10000
      },
      "evmVersion": "paris",
      "outputSelection": {
        "*": {
          "*": [
            "evm.bytecode",
            "evm.deployedBytecode",
            "devdoc",
            "userdoc",
            "metadata",
            "abi"
          ]
        }
      },
      "libraries": {}
    }
  }}