// hevm: flattened sources of src/strategies/sushiswap/strategy-sushi-eth-wbtc-lp.solpragma solidity >=0.6.0 <0.7.0 >=0.6.2 <0.7.0 >=0.6.7 <0.7.0;////// src/interfaces/controller.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.0; */interface IController {    function jars(address) external view returns (address);    function rewards() external view returns (address);    function devfund() external view returns (address);    function treasury() external view returns (address);    function balanceOf(address) external view returns (uint256);    function withdraw(address, uint256) external;    function earn(address, uint256) external;}////// src/lib/context.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.0; *//* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */abstract contract Context {    function _msgSender() internal view virtual returns (address payable) {        return msg.sender;    }    function _msgData() internal view virtual returns (bytes memory) {        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691        return msg.data;    }}////// src/lib/safe-math.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.0; *//** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */library SafeMath {    /**     * @dev Returns the addition of two unsigned integers, reverting on     * overflow.     *     * Counterpart to Solidity's `+` operator.     *     * Requirements:     *     * - Addition cannot overflow.     */    function add(uint256 a, uint256 b) internal pure returns (uint256) {        uint256 c = a + b;        require(c >= a, "SafeMath: addition overflow");        return c;    }    /**     * @dev Returns the subtraction of two unsigned integers, reverting on     * overflow (when the result is negative).     *     * Counterpart to Solidity's `-` operator.     *     * Requirements:     *     * - Subtraction cannot overflow.     */    function sub(uint256 a, uint256 b) internal pure returns (uint256) {        return sub(a, b, "SafeMath: subtraction overflow");    }    /**     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on     * overflow (when the result is negative).     *     * Counterpart to Solidity's `-` operator.     *     * Requirements:     *     * - Subtraction cannot overflow.     */    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {        require(b <= a, errorMessage);        uint256 c = a - b;        return c;    }    /**     * @dev Returns the multiplication of two unsigned integers, reverting on     * overflow.     *     * Counterpart to Solidity's `*` operator.     *     * Requirements:     *     * - Multiplication cannot overflow.     */    function mul(uint256 a, uint256 b) internal pure returns (uint256) {        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the        // benefit is lost if 'b' is also tested.        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522        if (a == 0) {            return 0;        }        uint256 c = a * b;        require(c / a == b, "SafeMath: multiplication overflow");        return c;    }    /**     * @dev Returns the integer division of two unsigned integers. Reverts on     * division by zero. The result is rounded towards zero.     *     * Counterpart to Solidity's `/` operator. Note: this function uses a     * `revert` opcode (which leaves remaining gas untouched) while Solidity     * uses an invalid opcode to revert (consuming all remaining gas).     *     * Requirements:     *     * - The divisor cannot be zero.     */    function div(uint256 a, uint256 b) internal pure returns (uint256) {        return div(a, b, "SafeMath: division by zero");    }    /**     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on     * division by zero. The result is rounded towards zero.     *     * Counterpart to Solidity's `/` operator. Note: this function uses a     * `revert` opcode (which leaves remaining gas untouched) while Solidity     * uses an invalid opcode to revert (consuming all remaining gas).     *     * Requirements:     *     * - The divisor cannot be zero.     */    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {        require(b > 0, errorMessage);        uint256 c = a / b;        // assert(a == b * c + a % b); // There is no case in which this doesn't hold        return c;    }    /**     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),     * Reverts when dividing by zero.     *     * Counterpart to Solidity's `%` operator. This function uses a `revert`     * opcode (which leaves remaining gas untouched) while Solidity uses an     * invalid opcode to revert (consuming all remaining gas).     *     * Requirements:     *     * - The divisor cannot be zero.     */    function mod(uint256 a, uint256 b) internal pure returns (uint256) {        return mod(a, b, "SafeMath: modulo by zero");    }    /**     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),     * Reverts with custom message when dividing by zero.     *     * Counterpart to Solidity's `%` operator. This function uses a `revert`     * opcode (which leaves remaining gas untouched) while Solidity uses an     * invalid opcode to revert (consuming all remaining gas).     *     * Requirements:     *     * - The divisor cannot be zero.     */    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {        require(b != 0, errorMessage);        return a % b;    }}////// src/lib/erc20.sol// File: contracts/GSN/Context.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.0; *//* import "./safe-math.sol"; *//* import "./context.sol"; */// File: contracts/token/ERC20/IERC20.sol/** * @dev Interface of the ERC20 standard as defined in the EIP. */interface IERC20_1 {    /**     * @dev Returns the amount of tokens in existence.     */    function totalSupply() external view returns (uint256);    /**     * @dev Returns the amount of tokens owned by `account`.     */    function balanceOf(address account) external view returns (uint256);    /**     * @dev Moves `amount` tokens from the caller's account to `recipient`.     *     * Returns a boolean value indicating whether the operation succeeded.     *     * Emits a {Transfer} event.     */    function transfer(address recipient, uint256 amount) external returns (bool);    /**     * @dev Returns the remaining number of tokens that `spender` will be     * allowed to spend on behalf of `owner` through {transferFrom}. This is     * zero by default.     *     * This value changes when {approve} or {transferFrom} are called.     */    function allowance(address owner, address spender) external view returns (uint256);    /**     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.     *     * Returns a boolean value indicating whether the operation succeeded.     *     * IMPORTANT: Beware that changing an allowance with this method brings the risk     * that someone may use both the old and the new allowance by unfortunate     * transaction ordering. One possible solution to mitigate this race     * condition is to first reduce the spender's allowance to 0 and set the     * desired value afterwards:     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729     *     * Emits an {Approval} event.     */    function approve(address spender, uint256 amount) external returns (bool);    /**     * @dev Moves `amount` tokens from `sender` to `recipient` using the     * allowance mechanism. `amount` is then deducted from the caller's     * allowance.     *     * Returns a boolean value indicating whether the operation succeeded.     *     * Emits a {Transfer} event.     */    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);    /**     * @dev Emitted when `value` tokens are moved from one account (`from`) to     * another (`to`).     *     * Note that `value` may be zero.     */    event Transfer(address indexed from, address indexed to, uint256 value);    /**     * @dev Emitted when the allowance of a `spender` for an `owner` is set by     * a call to {approve}. `value` is the new allowance.     */    event Approval(address indexed owner, address indexed spender, uint256 value);}// File: contracts/utils/Address.sol/** * @dev Collection of functions related to the address type */library Address {    /**     * @dev Returns true if `account` is a contract.     *     * [IMPORTANT]     * ====     * It is unsafe to assume that an address for which this function returns     * false is an externally-owned account (EOA) and not a contract.     *     * Among others, `isContract` will return false for the following     * types of addresses:     *     *  - an externally-owned account     *  - a contract in construction     *  - an address where a contract will be created     *  - an address where a contract lived, but was destroyed     * ====     */    function isContract(address account) internal view returns (bool) {        // This method relies on extcodesize, which returns 0 for contracts in        // construction, since the code is only stored at the end of the        // constructor execution.        uint256 size;        // solhint-disable-next-line no-inline-assembly        assembly { size := extcodesize(account) }        return size > 0;    }    /**     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to     * `recipient`, forwarding all available gas and reverting on errors.     *     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost     * of certain opcodes, possibly making contracts go over the 2300 gas limit     * imposed by `transfer`, making them unable to receive funds via     * `transfer`. {sendValue} removes this limitation.     *     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].     *     * IMPORTANT: because control is transferred to `recipient`, care must be     * taken to not create reentrancy vulnerabilities. Consider using     * {ReentrancyGuard} or the     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].     */    function sendValue(address payable recipient, uint256 amount) internal {        require(address(this).balance >= amount, "Address: insufficient balance");        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value        (bool success, ) = recipient.call{ value: amount }("");        require(success, "Address: unable to send value, recipient may have reverted");    }    /**     * @dev Performs a Solidity function call using a low level `call`. A     * plain`call` is an unsafe replacement for a function call: use this     * function instead.     *     * If `target` reverts with a revert reason, it is bubbled up by this     * function (like regular Solidity function calls).     *     * Returns the raw returned data. To convert to the expected return value,     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].     *     * Requirements:     *     * - `target` must be a contract.     * - calling `target` with `data` must not revert.     *     * _Available since v3.1._     */    function functionCall(address target, bytes memory data) internal returns (bytes memory) {      return functionCall(target, data, "Address: low-level call failed");    }    /**     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with     * `errorMessage` as a fallback revert reason when `target` reverts.     *     * _Available since v3.1._     */    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {        return _functionCallWithValue(target, data, 0, errorMessage);    }    /**     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],     * but also transferring `value` wei to `target`.     *     * Requirements:     *     * - the calling contract must have an ETH balance of at least `value`.     * - the called Solidity function must be `payable`.     *     * _Available since v3.1._     */    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");    }    /**     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but     * with `errorMessage` as a fallback revert reason when `target` reverts.     *     * _Available since v3.1._     */    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {        require(address(this).balance >= value, "Address: insufficient balance for call");        return _functionCallWithValue(target, data, value, errorMessage);    }    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {        require(isContract(target), "Address: call to non-contract");        // solhint-disable-next-line avoid-low-level-calls        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);        if (success) {            return returndata;        } else {            // Look for revert reason and bubble it up if present            if (returndata.length > 0) {                // The easiest way to bubble the revert reason is using memory via assembly                // solhint-disable-next-line no-inline-assembly                assembly {                    let returndata_size := mload(returndata)                    revert(add(32, returndata), returndata_size)                }            } else {                revert(errorMessage);            }        }    }}// File: contracts/token/ERC20/ERC20.sol/** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of returning `false` on failure. This behavior is nonetheless conventional * and does not conflict with the expectations of ERC20 applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */contract ERC20 is Context, IERC20_1 {    using SafeMath for uint256;    using Address for address;    mapping (address => uint256) private _balances;    mapping (address => mapping (address => uint256)) private _allowances;    uint256 private _totalSupply;    string private _name;    string private _symbol;    uint8 private _decimals;    /**     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with     * a default value of 18.     *     * To select a different value for {decimals}, use {_setupDecimals}.     *     * All three of these values are immutable: they can only be set once during     * construction.     */    constructor (string memory name, string memory symbol) public {        _name = name;        _symbol = symbol;        _decimals = 18;    }    /**     * @dev Returns the name of the token.     */    function name() public view returns (string memory) {        return _name;    }    /**     * @dev Returns the symbol of the token, usually a shorter version of the     * name.     */    function symbol() public view returns (string memory) {        return _symbol;    }    /**     * @dev Returns the number of decimals used to get its user representation.     * For example, if `decimals` equals `2`, a balance of `505` tokens should     * be displayed to a user as `5,05` (`505 / 10 ** 2`).     *     * Tokens usually opt for a value of 18, imitating the relationship between     * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is     * called.     *     * NOTE: This information is only used for _display_ purposes: it in     * no way affects any of the arithmetic of the contract, including     * {IERC20-balanceOf} and {IERC20-transfer}.     */    function decimals() public view returns (uint8) {        return _decimals;    }    /**     * @dev See {IERC20-totalSupply}.     */    function totalSupply() public view override returns (uint256) {        return _totalSupply;    }    /**     * @dev See {IERC20-balanceOf}.     */    function balanceOf(address account) public view override returns (uint256) {        return _balances[account];    }    /**     * @dev See {IERC20-transfer}.     *     * Requirements:     *     * - `recipient` cannot be the zero address.     * - the caller must have a balance of at least `amount`.     */    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {        _transfer(_msgSender(), recipient, amount);        return true;    }    /**     * @dev See {IERC20-allowance}.     */    function allowance(address owner, address spender) public view virtual override returns (uint256) {        return _allowances[owner][spender];    }    /**     * @dev See {IERC20-approve}.     *     * Requirements:     *     * - `spender` cannot be the zero address.     */    function approve(address spender, uint256 amount) public virtual override returns (bool) {        _approve(_msgSender(), spender, amount);        return true;    }    /**     * @dev See {IERC20-transferFrom}.     *     * Emits an {Approval} event indicating the updated allowance. This is not     * required by the EIP. See the note at the beginning of {ERC20};     *     * Requirements:     * - `sender` and `recipient` cannot be the zero address.     * - `sender` must have a balance of at least `amount`.     * - the caller must have allowance for ``sender``'s tokens of at least     * `amount`.     */    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {        _transfer(sender, recipient, amount);        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));        return true;    }    /**     * @dev Atomically increases the allowance granted to `spender` by the caller.     *     * This is an alternative to {approve} that can be used as a mitigation for     * problems described in {IERC20-approve}.     *     * Emits an {Approval} event indicating the updated allowance.     *     * Requirements:     *     * - `spender` cannot be the zero address.     */    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));        return true;    }    /**     * @dev Atomically decreases the allowance granted to `spender` by the caller.     *     * This is an alternative to {approve} that can be used as a mitigation for     * problems described in {IERC20-approve}.     *     * Emits an {Approval} event indicating the updated allowance.     *     * Requirements:     *     * - `spender` cannot be the zero address.     * - `spender` must have allowance for the caller of at least     * `subtractedValue`.     */    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));        return true;    }    /**     * @dev Moves tokens `amount` from `sender` to `recipient`.     *     * This is internal function is equivalent to {transfer}, and can be used to     * e.g. implement automatic token fees, slashing mechanisms, etc.     *     * Emits a {Transfer} event.     *     * Requirements:     *     * - `sender` cannot be the zero address.     * - `recipient` cannot be the zero address.     * - `sender` must have a balance of at least `amount`.     */    function _transfer(address sender, address recipient, uint256 amount) internal virtual {        require(sender != address(0), "ERC20: transfer from the zero address");        require(recipient != address(0), "ERC20: transfer to the zero address");        _beforeTokenTransfer(sender, recipient, amount);        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");        _balances[recipient] = _balances[recipient].add(amount);        emit Transfer(sender, recipient, amount);    }    /** @dev Creates `amount` tokens and assigns them to `account`, increasing     * the total supply.     *     * Emits a {Transfer} event with `from` set to the zero address.     *     * Requirements     *     * - `to` cannot be the zero address.     */    function _mint(address account, uint256 amount) internal virtual {        require(account != address(0), "ERC20: mint to the zero address");        _beforeTokenTransfer(address(0), account, amount);        _totalSupply = _totalSupply.add(amount);        _balances[account] = _balances[account].add(amount);        emit Transfer(address(0), account, amount);    }    /**     * @dev Destroys `amount` tokens from `account`, reducing the     * total supply.     *     * Emits a {Transfer} event with `to` set to the zero address.     *     * Requirements     *     * - `account` cannot be the zero address.     * - `account` must have at least `amount` tokens.     */    function _burn(address account, uint256 amount) internal virtual {        require(account != address(0), "ERC20: burn from the zero address");        _beforeTokenTransfer(account, address(0), amount);        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");        _totalSupply = _totalSupply.sub(amount);        emit Transfer(account, address(0), amount);    }    /**     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.     *     * This internal function is equivalent to `approve`, and can be used to     * e.g. set automatic allowances for certain subsystems, etc.     *     * Emits an {Approval} event.     *     * Requirements:     *     * - `owner` cannot be the zero address.     * - `spender` cannot be the zero address.     */    function _approve(address owner, address spender, uint256 amount) internal virtual {        require(owner != address(0), "ERC20: approve from the zero address");        require(spender != address(0), "ERC20: approve to the zero address");        _allowances[owner][spender] = amount;        emit Approval(owner, spender, amount);    }    /**     * @dev Sets {decimals} to a value other than the default one of 18.     *     * WARNING: This function should only be called from the constructor. Most     * applications that interact with token contracts will not expect     * {decimals} to ever change, and may work incorrectly if it does.     */    function _setupDecimals(uint8 decimals_) internal {        _decimals = decimals_;    }    /**     * @dev Hook that is called before any transfer of tokens. This includes     * minting and burning.     *     * Calling conditions:     *     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens     * will be to transferred to `to`.     * - when `from` is zero, `amount` tokens will be minted for `to`.     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.     * - `from` and `to` are never both zero.     *     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].     */    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }}/** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */library SafeERC20 {    using SafeMath for uint256;    using Address for address;    function safeTransfer(IERC20_1 token, address to, uint256 value) internal {        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));    }    function safeTransferFrom(IERC20_1 token, address from, address to, uint256 value) internal {        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));    }    /**     * @dev Deprecated. This function has issues similar to the ones found in     * {IERC20-approve}, and its usage is discouraged.     *     * Whenever possible, use {safeIncreaseAllowance} and     * {safeDecreaseAllowance} instead.     */    function safeApprove(IERC20_1 token, address spender, uint256 value) internal {        // safeApprove should only be called when setting an initial allowance,        // or when resetting it to zero. To increase and decrease it, use        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'        // solhint-disable-next-line max-line-length        require((value == 0) || (token.allowance(address(this), spender) == 0),            "SafeERC20: approve from non-zero to non-zero allowance"        );        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));    }    function safeIncreaseAllowance(IERC20_1 token, address spender, uint256 value) internal {        uint256 newAllowance = token.allowance(address(this), spender).add(value);        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));    }    function safeDecreaseAllowance(IERC20_1 token, address spender, uint256 value) internal {        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));    }    /**     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement     * on the return value: the return value is optional (but if data is returned, it must not be false).     * @param token The token targeted by the call.     * @param data The call data (encoded using abi.encode or one of its variants).     */    function _callOptionalReturn(IERC20_1 token, bytes memory data) private {        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that        // the target address contains contract code and also asserts for success in the low-level call.        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");        if (returndata.length > 0) { // Return data is optional            // solhint-disable-next-line max-line-length            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");        }    }}////// src/interfaces/jar.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.2; *//* import "../lib/erc20.sol"; */interface IJar is IERC20_1 {    function token() external view returns (address);    function claimInsurance() external; // NOTE: Only yDelegatedVault implements this    function getRatio() external view returns (uint256);    function depositAll() external;    function deposit(uint256) external;    function withdrawAll() external;    function withdraw(uint256) external;    function earn() external;    function decimals() external view returns (uint8);}////// src/interfaces/masterchef.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.7; */interface IMasterchef {    function BONUS_MULTIPLIER() external view returns (uint256);    function add(        uint256 _allocPoint,        address _lpToken,        bool _withUpdate    ) external;    function bonusEndBlock() external view returns (uint256);    function deposit(uint256 _pid, uint256 _amount) external;    function dev(address _devaddr) external;    function devFundDivRate() external view returns (uint256);    function devaddr() external view returns (address);    function emergencyWithdraw(uint256 _pid) external;    function getMultiplier(uint256 _from, uint256 _to)        external        view        returns (uint256);    function massUpdatePools() external;    function owner() external view returns (address);    function pendingPickle(uint256 _pid, address _user)        external        view        returns (uint256);    function pickle() external view returns (address);    function picklePerBlock() external view returns (uint256);    function poolInfo(uint256)        external        view        returns (            address lpToken,            uint256 allocPoint,            uint256 lastRewardBlock,            uint256 accPicklePerShare        );    function poolLength() external view returns (uint256);    function renounceOwnership() external;    function set(        uint256 _pid,        uint256 _allocPoint,        bool _withUpdate    ) external;    function setBonusEndBlock(uint256 _bonusEndBlock) external;    function setDevFundDivRate(uint256 _devFundDivRate) external;    function setPicklePerBlock(uint256 _picklePerBlock) external;    function startBlock() external view returns (uint256);    function totalAllocPoint() external view returns (uint256);    function transferOwnership(address newOwner) external;    function updatePool(uint256 _pid) external;    function userInfo(uint256, address)        external        view        returns (uint256 amount, uint256 rewardDebt);    function withdraw(uint256 _pid, uint256 _amount) external;}////// src/interfaces/staking-rewards.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.2; */interface IStakingRewards {    function balanceOf(address account) external view returns (uint256);    function earned(address account) external view returns (uint256);    function exit() external;    function getReward() external;    function getRewardForDuration() external view returns (uint256);    function lastTimeRewardApplicable() external view returns (uint256);    function lastUpdateTime() external view returns (uint256);    function notifyRewardAmount(uint256 reward) external;    function periodFinish() external view returns (uint256);    function rewardPerToken() external view returns (uint256);    function rewardPerTokenStored() external view returns (uint256);    function rewardRate() external view returns (uint256);    function rewards(address) external view returns (uint256);    function rewardsDistribution() external view returns (address);    function rewardsDuration() external view returns (uint256);    function rewardsToken() external view returns (address);    function stake(uint256 amount) external;    function stakeWithPermit(        uint256 amount,        uint256 deadline,        uint8 v,        bytes32 r,        bytes32 s    ) external;    function stakingToken() external view returns (address);    function totalSupply() external view returns (uint256);    function userRewardPerTokenPaid(address) external view returns (uint256);    function withdraw(uint256 amount) external;}interface IStakingRewardsFactory {    function deploy(address stakingToken, uint256 rewardAmount) external;    function isOwner() external view returns (bool);    function notifyRewardAmount(address stakingToken) external;    function notifyRewardAmounts() external;    function owner() external view returns (address);    function renounceOwnership() external;    function rewardsToken() external view returns (address);    function stakingRewardsGenesis() external view returns (uint256);    function stakingRewardsInfoByStakingToken(address)        external        view        returns (address stakingRewards, uint256 rewardAmount);    function stakingTokens(uint256) external view returns (address);    function transferOwnership(address newOwner) external;}////// src/interfaces/sushi-chef.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.7; */// interface for Sushiswap MasterChef contractinterface ISushiChef {    function BONUS_MULTIPLIER() external view returns (uint256);    function add(        uint256 _allocPoint,        address _lpToken,        bool _withUpdate    ) external;    function bonusEndBlock() external view returns (uint256);    function deposit(uint256 _pid, uint256 _amount) external;    function dev(address _devaddr) external;    function devFundDivRate() external view returns (uint256);    function devaddr() external view returns (address);    function emergencyWithdraw(uint256 _pid) external;    function getMultiplier(uint256 _from, uint256 _to)        external        view        returns (uint256);    function massUpdatePools() external;    function owner() external view returns (address);    function pendingSushi(uint256 _pid, address _user)        external        view        returns (uint256);    function sushi() external view returns (address);    function sushiPerBlock() external view returns (uint256);    function poolInfo(uint256)        external        view        returns (            address lpToken,            uint256 allocPoint,            uint256 lastRewardBlock,            uint256 accsushiPerShare        );    function poolLength() external view returns (uint256);    function renounceOwnership() external;    function set(        uint256 _pid,        uint256 _allocPoint,        bool _withUpdate    ) external;    function setBonusEndBlock(uint256 _bonusEndBlock) external;    function setDevFundDivRate(uint256 _devFundDivRate) external;    function setsushiPerBlock(uint256 _sushiPerBlock) external;    function startBlock() external view returns (uint256);    function totalAllocPoint() external view returns (uint256);    function transferOwnership(address newOwner) external;    function updatePool(uint256 _pid) external;    function userInfo(uint256, address)        external        view        returns (uint256 amount, uint256 rewardDebt);    function withdraw(uint256 _pid, uint256 _amount) external;}////// src/interfaces/uniswapv2.sol// SPDX-License-Identifier: MIT// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.2; */interface UniswapRouterV2 {    function swapExactTokensForTokens(        uint256 amountIn,        uint256 amountOutMin,        address[] calldata path,        address to,        uint256 deadline    ) external returns (uint256[] memory amounts);    function addLiquidity(        address tokenA,        address tokenB,        uint256 amountADesired,        uint256 amountBDesired,        uint256 amountAMin,        uint256 amountBMin,        address to,        uint256 deadline    )        external        returns (            uint256 amountA,            uint256 amountB,            uint256 liquidity        );    function addLiquidityETH(        address token,        uint256 amountTokenDesired,        uint256 amountTokenMin,        uint256 amountETHMin,        address to,        uint256 deadline    )        external        payable        returns (            uint256 amountToken,            uint256 amountETH,            uint256 liquidity        );    function removeLiquidity(        address tokenA,        address tokenB,        uint256 liquidity,        uint256 amountAMin,        uint256 amountBMin,        address to,        uint256 deadline    ) external returns (uint256 amountA, uint256 amountB);    function getAmountsOut(uint256 amountIn, address[] calldata path)        external        view        returns (uint256[] memory amounts);    function getAmountsIn(uint256 amountOut, address[] calldata path)        external        view        returns (uint256[] memory amounts);    function swapETHForExactTokens(        uint256 amountOut,        address[] calldata path,        address to,        uint256 deadline    ) external payable returns (uint256[] memory amounts);    function swapExactETHForTokens(        uint256 amountOutMin,        address[] calldata path,        address to,        uint256 deadline    ) external payable returns (uint256[] memory amounts);}interface IUniswapV2Pair {    event Approval(        address indexed owner,        address indexed spender,        uint256 value    );    event Transfer(address indexed from, address indexed to, uint256 value);    function name() external pure returns (string memory);    function symbol() external pure returns (string memory);    function decimals() external pure returns (uint8);    function totalSupply() external view returns (uint256);    function balanceOf(address owner) external view returns (uint256);    function allowance(address owner, address spender)        external        view        returns (uint256);    function approve(address spender, uint256 value) external returns (bool);    function transfer(address to, uint256 value) external returns (bool);    function transferFrom(        address from,        address to,        uint256 value    ) external returns (bool);    function DOMAIN_SEPARATOR() external view returns (bytes32);    function PERMIT_TYPEHASH() external pure returns (bytes32);    function nonces(address owner) external view returns (uint256);    function permit(        address owner,        address spender,        uint256 value,        uint256 deadline,        uint8 v,        bytes32 r,        bytes32 s    ) external;    event Mint(address indexed sender, uint256 amount0, uint256 amount1);    event Burn(        address indexed sender,        uint256 amount0,        uint256 amount1,        address indexed to    );    event Swap(        address indexed sender,        uint256 amount0In,        uint256 amount1In,        uint256 amount0Out,        uint256 amount1Out,        address indexed to    );    event Sync(uint112 reserve0, uint112 reserve1);    function MINIMUM_LIQUIDITY() external pure returns (uint256);    function factory() external view returns (address);    function token0() external view returns (address);    function token1() external view returns (address);    function getReserves()        external        view        returns (            uint112 reserve0,            uint112 reserve1,            uint32 blockTimestampLast        );    function price0CumulativeLast() external view returns (uint256);    function price1CumulativeLast() external view returns (uint256);    function kLast() external view returns (uint256);    function mint(address to) external returns (uint256 liquidity);    function burn(address to)        external        returns (uint256 amount0, uint256 amount1);    function swap(        uint256 amount0Out,        uint256 amount1Out,        address to,        bytes calldata data    ) external;    function skim(address to) external;    function sync() external;}interface IUniswapV2Factory {    event PairCreated(        address indexed token0,        address indexed token1,        address pair,        uint256    );    function getPair(address tokenA, address tokenB)        external        view        returns (address pair);    function allPairs(uint256) external view returns (address pair);    function allPairsLength() external view returns (uint256);    function feeTo() external view returns (address);    function feeToSetter() external view returns (address);    function createPair(address tokenA, address tokenB)        external        returns (address pair);}////// src/strategies/strategy-base.sol/* pragma solidity ^0.6.7; *//* import "../lib/erc20.sol"; *//* import "../lib/safe-math.sol"; *//* import "../interfaces/jar.sol"; *//* import "../interfaces/staking-rewards.sol"; *//* import "../interfaces/masterchef.sol"; *//* import "../interfaces/uniswapv2.sol"; *//* import "../interfaces/controller.sol"; */// Strategy Contract Basicsabstract contract StrategyBase {    using SafeERC20 for IERC20_1;    using Address for address;    using SafeMath for uint256;    // Perfomance fees - start with 20%    uint256 public performanceTreasuryFee = 2000;    uint256 public constant performanceTreasuryMax = 10000;    uint256 public performanceDevFee = 0;    uint256 public constant performanceDevMax = 10000;    // Withdrawal fee 0%    // - 0% to treasury    // - 0% to dev fund    uint256 public withdrawalTreasuryFee = 0;    uint256 public constant withdrawalTreasuryMax = 100000;    uint256 public withdrawalDevFundFee = 0;    uint256 public constant withdrawalDevFundMax = 100000;    // Tokens    address public want;    address public constant weth = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;    // User accounts    address public governance;    address public controller;    address public strategist;    address public timelock;    // Dex    address public univ2Router2 = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;    address public sushiRouter = 0xd9e1cE17f2641f24aE83637ab66a2cca9C378B9F;    constructor(        address _want,        address _governance,        address _strategist,        address _controller,        address _timelock    ) public {        require(_want != address(0));        require(_governance != address(0));        require(_strategist != address(0));        require(_controller != address(0));        require(_timelock != address(0));        want = _want;        governance = _governance;        strategist = _strategist;        controller = _controller;        timelock = _timelock;    }    // **** Modifiers **** //    modifier onlyBenevolent {        require(            msg.sender == tx.origin ||                msg.sender == governance ||                msg.sender == strategist        );        _;    }    // **** Views **** //    function balanceOfWant() public view returns (uint256) {        return IERC20_1(want).balanceOf(address(this));    }    function balanceOfPool() public virtual view returns (uint256);    function balanceOf() public view returns (uint256) {        return balanceOfWant().add(balanceOfPool());    }    function getName() external virtual pure returns (string memory);    // **** Setters **** //    function setWithdrawalDevFundFee(uint256 _withdrawalDevFundFee) external {        require(msg.sender == timelock, "!timelock");        withdrawalDevFundFee = _withdrawalDevFundFee;    }    function setWithdrawalTreasuryFee(uint256 _withdrawalTreasuryFee) external {        require(msg.sender == timelock, "!timelock");        withdrawalTreasuryFee = _withdrawalTreasuryFee;    }    function setPerformanceDevFee(uint256 _performanceDevFee) external {        require(msg.sender == timelock, "!timelock");        performanceDevFee = _performanceDevFee;    }    function setPerformanceTreasuryFee(uint256 _performanceTreasuryFee)        external    {        require(msg.sender == timelock, "!timelock");        performanceTreasuryFee = _performanceTreasuryFee;    }    function setStrategist(address _strategist) external {        require(msg.sender == governance, "!governance");        strategist = _strategist;    }    function setGovernance(address _governance) external {        require(msg.sender == governance, "!governance");        governance = _governance;    }    function setTimelock(address _timelock) external {        require(msg.sender == timelock, "!timelock");        timelock = _timelock;    }    function setController(address _controller) external {        require(msg.sender == timelock, "!timelock");        controller = _controller;    }    // **** State mutations **** //    function deposit() public virtual;    // Controller only function for creating additional rewards from dust    function withdraw(IERC20_1 _asset) external returns (uint256 balance) {        require(msg.sender == controller, "!controller");        require(want != address(_asset), "want");        balance = _asset.balanceOf(address(this));        _asset.safeTransfer(controller, balance);    }    // Withdraw partial funds, normally used with a jar withdrawal    function withdraw(uint256 _amount) external {        require(msg.sender == controller, "!controller");        uint256 _balance = IERC20_1(want).balanceOf(address(this));        if (_balance < _amount) {            _amount = _withdrawSome(_amount.sub(_balance));            _amount = _amount.add(_balance);        }        uint256 _feeDev = _amount.mul(withdrawalDevFundFee).div(            withdrawalDevFundMax        );        IERC20_1(want).safeTransfer(IController(controller).devfund(), _feeDev);        uint256 _feeTreasury = _amount.mul(withdrawalTreasuryFee).div(            withdrawalTreasuryMax        );        IERC20_1(want).safeTransfer(            IController(controller).treasury(),            _feeTreasury        );        address _jar = IController(controller).jars(address(want));        require(_jar != address(0), "!jar"); // additional protection so we don't burn the funds        IERC20_1(want).safeTransfer(_jar, _amount.sub(_feeDev).sub(_feeTreasury));    }    // Withdraw funds, used to swap between strategies    function withdrawForSwap(uint256 _amount)        external        returns (uint256 balance)    {        require(msg.sender == controller, "!controller");        _withdrawSome(_amount);        balance = IERC20_1(want).balanceOf(address(this));        address _jar = IController(controller).jars(address(want));        require(_jar != address(0), "!jar");        IERC20_1(want).safeTransfer(_jar, balance);    }    // Withdraw all funds, normally used when migrating strategies    function withdrawAll() external returns (uint256 balance) {        require(msg.sender == controller, "!controller");        _withdrawAll();        balance = IERC20_1(want).balanceOf(address(this));        address _jar = IController(controller).jars(address(want));        require(_jar != address(0), "!jar"); // additional protection so we don't burn the funds        IERC20_1(want).safeTransfer(_jar, balance);    }    function _withdrawAll() internal {        _withdrawSome(balanceOfPool());    }    function _withdrawSome(uint256 _amount) internal virtual returns (uint256);    function harvest() public virtual;    // **** Emergency functions ****    function execute(address _target, bytes memory _data)        public        payable        returns (bytes memory response)    {        require(msg.sender == timelock, "!timelock");        require(_target != address(0), "!target");        // call contract in current context        assembly {            let succeeded := delegatecall(                sub(gas(), 5000),                _target,                add(_data, 0x20),                mload(_data),                0,                0            )            let size := returndatasize()            response := mload(0x40)            mstore(                0x40,                add(response, and(add(add(size, 0x20), 0x1f), not(0x1f)))            )            mstore(response, size)            returndatacopy(add(response, 0x20), 0, size)            switch iszero(succeeded)                case 1 {                    // throw if delegatecall failed                    revert(add(response, 0x20), size)                }        }    }    // **** Internal functions ****    function _swapUniswap(        address _from,        address _to,        uint256 _amount    ) internal {        require(_to != address(0));        // Swap with uniswap        IERC20_1(_from).safeApprove(univ2Router2, 0);        IERC20_1(_from).safeApprove(univ2Router2, _amount);        address[] memory path;        if (_from == weth || _to == weth) {            path = new address[](2);            path[0] = _from;            path[1] = _to;        } else {            path = new address[](3);            path[0] = _from;            path[1] = weth;            path[2] = _to;        }        UniswapRouterV2(univ2Router2).swapExactTokensForTokens(            _amount,            0,            path,            address(this),            now.add(60)        );    }    function _swapSushiswap(        address _from,        address _to,        uint256 _amount    ) internal {        require(_to != address(0));        // Swap with uniswap        IERC20_1(_from).safeApprove(sushiRouter, 0);        IERC20_1(_from).safeApprove(sushiRouter, _amount);        address[] memory path;        if (_from == weth || _to == weth) {            path = new address[](2);            path[0] = _from;            path[1] = _to;        } else {            path = new address[](3);            path[0] = _from;            path[1] = weth;            path[2] = _to;        }        UniswapRouterV2(sushiRouter).swapExactTokensForTokens(            _amount,            0,            path,            address(this),            now.add(60)        );    }    function _distributePerformanceFeesAndDeposit() internal {        uint256 _want = IERC20_1(want).balanceOf(address(this));        if (_want > 0) {            // Treasury fees            IERC20_1(want).safeTransfer(                IController(controller).treasury(),                _want.mul(performanceTreasuryFee).div(performanceTreasuryMax)            );            // Performance fee            IERC20_1(want).safeTransfer(                IController(controller).devfund(),                _want.mul(performanceDevFee).div(performanceDevMax)            );            deposit();        }    }}////// src/strategies/strategy-sushi-farm-base.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.7; *//* import "./strategy-base.sol"; *//* import "../interfaces/sushi-chef.sol"; */abstract contract StrategySushiFarmBase is StrategyBase {    // Token addresses    address public constant sushi = 0x6B3595068778DD592e39A122f4f5a5cF09C90fE2;    address public constant masterChef = 0xc2EdaD668740f1aA35E4D8f227fB8E17dcA888Cd;    // WETH/<token1> pair    address public token1;    // How much SUSHI tokens to keep?    uint256 public keepSUSHI = 0;    uint256 public constant keepSUSHIMax = 10000;    uint256 public poolId;    constructor(        address _token1,        uint256 _poolId,        address _lp,        address _governance,        address _strategist,        address _controller,        address _timelock    )        public        StrategyBase(            _lp,            _governance,            _strategist,            _controller,            _timelock        )    {        poolId = _poolId;        token1 = _token1;    }        function balanceOfPool() public override view returns (uint256) {        (uint256 amount, ) = ISushiChef(masterChef).userInfo(poolId, address(this));        return amount;    }    function getHarvestable() external view returns (uint256) {        return ISushiChef(masterChef).pendingSushi(poolId, address(this));    }    // **** Setters ****    function deposit() public override {        uint256 _want = IERC20_1(want).balanceOf(address(this));        if (_want > 0) {            IERC20_1(want).safeApprove(masterChef, 0);            IERC20_1(want).safeApprove(masterChef, _want);            ISushiChef(masterChef).deposit(poolId, _want);        }    }    function _withdrawSome(uint256 _amount)        internal        override        returns (uint256)    {        ISushiChef(masterChef).withdraw(poolId, _amount);        return _amount;    }    // **** Setters ****    function setKeepSUSHI(uint256 _keepSUSHI) external {        require(msg.sender == timelock, "!timelock");        keepSUSHI = _keepSUSHI;    }    // **** State Mutations ****    function harvest() public override onlyBenevolent {        // Anyone can harvest it at any given time.        // I understand the possibility of being frontrun        // But ETH is a dark forest, and I wanna see how this plays out        // i.e. will be be heavily frontrunned?        //      if so, a new strategy will be deployed.        // Collects SUSHI tokens        ISushiChef(masterChef).deposit(poolId, 0);        uint256 _sushi = IERC20_1(sushi).balanceOf(address(this));        if (_sushi > 0) {            // 10% is locked up for future gov            uint256 _keepSUSHI = _sushi.mul(keepSUSHI).div(keepSUSHIMax);            IERC20_1(sushi).safeTransfer(                IController(controller).treasury(),                _keepSUSHI            );            _swapSushiswap(sushi, weth, _sushi.sub(_keepSUSHI));        }        // Swap half WETH for DAI        uint256 _weth = IERC20_1(weth).balanceOf(address(this));        if (_weth > 0) {            _swapSushiswap(weth, token1, _weth.div(2));        }        // Adds in liquidity for ETH/DAI        _weth = IERC20_1(weth).balanceOf(address(this));        uint256 _token1 = IERC20_1(token1).balanceOf(address(this));        if (_weth > 0 && _token1 > 0) {            IERC20_1(weth).safeApprove(sushiRouter, 0);            IERC20_1(weth).safeApprove(sushiRouter, _weth);            IERC20_1(token1).safeApprove(sushiRouter, 0);            IERC20_1(token1).safeApprove(sushiRouter, _token1);            UniswapRouterV2(sushiRouter).addLiquidity(                weth,                token1,                _weth,                _token1,                0,                0,                address(this),                now + 60            );            // Donates DUST            IERC20_1(weth).transfer(                IController(controller).treasury(),                IERC20_1(weth).balanceOf(address(this))            );            IERC20_1(token1).safeTransfer(                IController(controller).treasury(),                IERC20_1(token1).balanceOf(address(this))            );        }        // We want to get back SUSHI LP tokens        _distributePerformanceFeesAndDeposit();    }}////// src/strategies/sushiswap/strategy-sushi-eth-wbtc-lp.sol// SPDX-License-Identifier: MIT/* pragma solidity ^0.6.7; *//* import "../strategy-sushi-farm-base.sol"; */contract StrategySushiEthWBtcLp is StrategySushiFarmBase {    // Token/ETH pool id in MasterChef contract    uint256 public sushi_wbtc_poolId = 21;    // Token addresses    address public sushi_eth_wbtc_lp = 0xCEfF51756c56CeFFCA006cD410B03FFC46dd3a58;    address public wbtc = 0x2260FAC5E5542a773Aa44fBCfeDf7C193bc2C599;    constructor(        address _governance,        address _strategist,        address _controller,        address _timelock    )        public        StrategySushiFarmBase(            wbtc,            sushi_wbtc_poolId,            sushi_eth_wbtc_lp,            _governance,            _strategist,            _controller,            _timelock        )    {}    // **** Views ****    function getName() external override pure returns (string memory) {        return "StrategySushiEthWBtcLp";    }}