Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2020-09-29
*/

// SPDX-License-Identifier: UNLICENSED

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol

pragma solidity ^0.6.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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: @openzeppelin/contracts/math/SafeMath.sol



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;
    }
}

// File: @openzeppelin/contracts/utils/Address.sol



pragma solidity ^0.6.2;

/**
 * @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) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    /**
     * @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: @openzeppelin/contracts/token/ERC20/SafeERC20.sol



pragma solidity ^0.6.0;




/**
 * @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 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 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 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 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 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 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");
        }
    }
}

// File: @openzeppelin/contracts/utils/EnumerableSet.sol



pragma solidity ^0.6.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.0.0, only sets of type `address` (`AddressSet`) and `uint256`
 * (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;

        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping (bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) { // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            // When the value to delete is the last one, the swap operation is unnecessary. However, since this occurs
            // so rarely, we still do the swap anyway to avoid the gas cost of adding an 'if' statement.

            bytes32 lastvalue = set._values[lastIndex];

            // Move the last value to the index where the value to delete is
            set._values[toDeleteIndex] = lastvalue;
            // Update the index for the moved value
            set._indexes[lastvalue] = toDeleteIndex + 1; // All indexes are 1-based

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        require(set._values.length > index, "EnumerableSet: index out of bounds");
        return set._values[index];
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(value)));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(value)));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(value)));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint256(_at(set._inner, index)));
    }


    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

   /**
    * @dev Returns the value stored at position `index` in the set. O(1).
    *
    * Note that there are no guarantees on the ordering of values inside the
    * array, and it may change when more values are added or removed.
    *
    * Requirements:
    *
    * - `index` must be strictly less than {length}.
    */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }
}

// File: @openzeppelin/contracts/GSN/Context.sol



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;
    }
}

// File: @openzeppelin/contracts/access/Ownable.sol



pragma solidity ^0.6.0;

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: @openzeppelin/contracts/token/ERC20/ERC20.sol



pragma solidity ^0.6.0;





/**
 * @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 {
    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 is 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 { }
}

// File: contracts/TacoToken.sol


pragma solidity 0.6.12;



// TacoToken with Governance.
contract TacoToken is ERC20("TacoToken", "TACO"), Ownable {
    /// @notice Creates `_amount` token to `_to`. Must only be called by the owner (MasterChef).
    function mint(address _to, uint256 _amount) public onlyOwner {
        _mint(_to, _amount);
        _moveDelegates(address(0), _delegates[_to], _amount);
    }

    /// @notice A record of each accounts delegate
    mapping (address => address) internal _delegates;

    /// @notice A checkpoint for marking number of votes from a given block
    struct Checkpoint {
        uint32 fromBlock;
        uint256 votes;
    }

    /// @notice A record of votes checkpoints for each account, by index
    mapping (address => mapping (uint32 => Checkpoint)) public checkpoints;

    /// @notice The number of checkpoints for each account
    mapping (address => uint32) public numCheckpoints;

    /// @notice The EIP-712 typehash for the contract's domain
    bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)");

    /// @notice The EIP-712 typehash for the delegation struct used by the contract
    bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");

    /// @notice A record of states for signing / validating signatures
    mapping (address => uint) public nonces;

      /// @notice An event thats emitted when an account changes its delegate
    event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);

    /// @notice An event thats emitted when a delegate account's vote balance changes
    event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance);

    /**
     * @notice Delegate votes from `msg.sender` to `delegatee`
     * @param delegator The address to get delegatee for
     */
    function delegates(address delegator)
        external
        view
        returns (address)
    {
        return _delegates[delegator];
    }

   /**
    * @notice Delegate votes from `msg.sender` to `delegatee`
    * @param delegatee The address to delegate votes to
    */
    function delegate(address delegatee) external {
        return _delegate(msg.sender, delegatee);
    }

    /**
     * @notice Delegates votes from signatory to `delegatee`
     * @param delegatee The address to delegate votes to
     * @param nonce The contract state required to match the signature
     * @param expiry The time at which to expire the signature
     * @param v The recovery byte of the signature
     * @param r Half of the ECDSA signature pair
     * @param s Half of the ECDSA signature pair
     */
    function delegateBySig(
        address delegatee,
        uint nonce,
        uint expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    )
        external
    {
        bytes32 domainSeparator = keccak256(
            abi.encode(
                DOMAIN_TYPEHASH,
                keccak256(bytes(name())),
                getChainId(),
                address(this)
            )
        );

        bytes32 structHash = keccak256(
            abi.encode(
                DELEGATION_TYPEHASH,
                delegatee,
                nonce,
                expiry
            )
        );

        bytes32 digest = keccak256(
            abi.encodePacked(
                "\x19\x01",
                domainSeparator,
                structHash
            )
        );

        address signatory = ecrecover(digest, v, r, s);
        require(signatory != address(0), "TACO::delegateBySig: invalid signature");
        require(nonce == nonces[signatory]++, "TACO::delegateBySig: invalid nonce");
        require(now <= expiry, "TACO::delegateBySig: signature expired");
        return _delegate(signatory, delegatee);
    }

    /**
     * @notice Gets the current votes balance for `account`
     * @param account The address to get votes balance
     * @return The number of current votes for `account`
     */
    function getCurrentVotes(address account)
        external
        view
        returns (uint256)
    {
        uint32 nCheckpoints = numCheckpoints[account];
        return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0;
    }

    /**
     * @notice Determine the prior number of votes for an account as of a block number
     * @dev Block number must be a finalized block or else this function will revert to prevent misinformation.
     * @param account The address of the account to check
     * @param blockNumber The block number to get the vote balance at
     * @return The number of votes the account had as of the given block
     */
    function getPriorVotes(address account, uint blockNumber)
        external
        view
        returns (uint256)
    {
        require(blockNumber < block.number, "TACO::getPriorVotes: not yet determined");

        uint32 nCheckpoints = numCheckpoints[account];
        if (nCheckpoints == 0) {
            return 0;
        }

        // First check most recent balance
        if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) {
            return checkpoints[account][nCheckpoints - 1].votes;
        }

        // Next check implicit zero balance
        if (checkpoints[account][0].fromBlock > blockNumber) {
            return 0;
        }

        uint32 lower = 0;
        uint32 upper = nCheckpoints - 1;
        while (upper > lower) {
            uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow
            Checkpoint memory cp = checkpoints[account][center];
            if (cp.fromBlock == blockNumber) {
                return cp.votes;
            } else if (cp.fromBlock < blockNumber) {
                lower = center;
            } else {
                upper = center - 1;
            }
        }
        return checkpoints[account][lower].votes;
    }

    function _delegate(address delegator, address delegatee)
        internal
    {
        address currentDelegate = _delegates[delegator];
        uint256 delegatorBalance = balanceOf(delegator); // balance of underlying TACOs (not scaled);
        _delegates[delegator] = delegatee;

        emit DelegateChanged(delegator, currentDelegate, delegatee);

        _moveDelegates(currentDelegate, delegatee, delegatorBalance);
    }

    function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal {
        if (srcRep != dstRep && amount > 0) {
            if (srcRep != address(0)) {
                // decrease old representative
                uint32 srcRepNum = numCheckpoints[srcRep];
                uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0;
                uint256 srcRepNew = srcRepOld.sub(amount);
                _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew);
            }

            if (dstRep != address(0)) {
                // increase new representative
                uint32 dstRepNum = numCheckpoints[dstRep];
                uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0;
                uint256 dstRepNew = dstRepOld.add(amount);
                _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew);
            }
        }
    }

    function _writeCheckpoint(
        address delegatee,
        uint32 nCheckpoints,
        uint256 oldVotes,
        uint256 newVotes
    )
        internal
    {
        uint32 blockNumber = safe32(block.number, "TACO::_writeCheckpoint: block number exceeds 32 bits");

        if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) {
            checkpoints[delegatee][nCheckpoints - 1].votes = newVotes;
        } else {
            checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes);
            numCheckpoints[delegatee] = nCheckpoints + 1;
        }

        emit DelegateVotesChanged(delegatee, oldVotes, newVotes);
    }

    function safe32(uint n, string memory errorMessage) internal pure returns (uint32) {
        require(n < 2**32, errorMessage);
        return uint32(n);
    }

    function getChainId() internal pure returns (uint) {
        uint256 chainId;
        assembly { chainId := chainid() }
        return chainId;
    }
}

// File: contracts/MasterChef.sol

pragma solidity 0.6.12;

interface IMigratorChef {
    // Perform LP token migration from legacy TacoSwap to TacoSwap.
    // Take the current LP token address and return the new LP token address.
    // Migrator should have full access to the caller's LP token.
    // Return the new LP token address.
    //
    // XXX Migrator must have allowance access to TacoSwap SLP tokens.
    // TacoSwap must mint EXACTLY the same amount of TacoSwap LP tokens or
    // else something bad will happen. Traditional TacoSwap does not
    // do that so be careful!
    function migrate(IERC20 token) external returns (IERC20);
}

// MasterChef is the master of Taco. He can make Taco and he is a fair guy.
//
// Note that it's ownable and the owner wields tremendous power. The ownership
// will be transferred to a governance smart contract once TACO is sufficiently
// distributed and the community can show to govern itself.
contract TacoChef is Ownable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    // Info of each user.
    struct UserInfo {
        uint256 amount;     // How many LP tokens the user has provided.
        uint256 rewardDebt; // Reward debt. See explanation below.
        //
        // We do some fancy math here. Basically, any point in time, the amount of TACOs
        // entitled to a user but is pending to be distributed is:
        //
        //   pending reward = (user.amount * pool.accTacoPerShare) - user.rewardDebt
        //
        // Whenever a user deposits or withdraws LP tokens to a pool. Here's what happens:
        //   1. The pool's `accTacoPerShare` (and `lastRewardBlock`) gets updated.
        //   2. User receives the pending reward sent to his/her address.
        //   3. User's `amount` gets updated.
        //   4. User's `rewardDebt` gets updated.
    }

    // Info of each pool.
    struct PoolInfo {
        IERC20 lpToken;           // Address of LP token contract.
        uint256 allocPoint;       // How many allocation points assigned to this pool. TACOs to distribute per block.
        uint256 lastRewardBlock;  // Last block number that TACOs distribution occurs.
        uint256 accTacoPerShare; // Accumulated TACOs per share, times 1e12. See below.
    }

    // The TACO TOKEN!
    TacoToken public taco;
    // Dev address.
    address public devaddr;
    // Block number when bonus TACO period ends.
    uint256 public bonusEndBlock;
    // TACO tokens created per block.
    uint256 public tacoPerBlock;
    // Bonus muliplier for early taco makers.
    uint256 public constant BONUS_MULTIPLIER = 4;
    // The migrator contract. It has a lot of power. Can only be set through governance (owner).
    IMigratorChef public migrator;

    // Track all added pools to prevent adding the same pool more then once.
    mapping(address => bool) public lpTokenExistsInPool;
    // Info of each pool.
    PoolInfo[] public poolInfo;
    // Info of each user that stakes LP tokens.
    mapping (uint256 => mapping (address => UserInfo)) public userInfo;
    // Total allocation points. Must be the sum of all allocation points in all pools.
    uint256 public totalAllocPoint = 0;
    // The block number when TACO mining starts.
    uint256 public startBlock;

    event Deposit(address indexed user, uint256 indexed pid, uint256 amount);
    event Withdraw(address indexed user, uint256 indexed pid, uint256 amount);
    event EmergencyWithdraw(address indexed user, uint256 indexed pid, uint256 amount);

    constructor(
        TacoToken _taco,
        address _devaddr,
        uint256 _tacoPerBlock,
        uint256 _startBlock,
        uint256 _bonusEndBlock
    ) public {
        taco = _taco;
        devaddr = _devaddr;
        tacoPerBlock = _tacoPerBlock;
        bonusEndBlock = _bonusEndBlock;
        startBlock = _startBlock;
    }

    function poolLength() external view returns (uint256) {
        return poolInfo.length;
    }

    // Add a new lp to the pool. Can only be called by the owner.
    function add(uint256 _allocPoint, IERC20 _lpToken, bool _withUpdate) public onlyOwner {
        require(!lpTokenExistsInPool[address(_lpToken)], "MasterChef: LP Token Address already exists in pool");
        if (_withUpdate) {
            massUpdatePools();
        }
        uint256 lastRewardBlock = block.number > startBlock ? block.number : startBlock;
        totalAllocPoint = totalAllocPoint.add(_allocPoint);
        poolInfo.push(PoolInfo({
            lpToken: _lpToken,
            allocPoint: _allocPoint,
            lastRewardBlock: lastRewardBlock,
            accTacoPerShare: 0
        }));

        lpTokenExistsInPool[address(_lpToken)] = true;
    }

    // Add a pool manually for pools that already exists, but were not auto added to the map by "add()".
    function updateLpTokenExists(address _lpTokenAddr, bool _isExists) external onlyOwner {
        lpTokenExistsInPool[_lpTokenAddr] = _isExists;
    }

    // Update the given pool's TACO allocation point. Can only be called by the owner.
    function set(uint256 _pid, uint256 _allocPoint, bool _withUpdate) public onlyOwner {
        if (_withUpdate) {
            massUpdatePools();
        }
        totalAllocPoint = totalAllocPoint.sub(poolInfo[_pid].allocPoint).add(_allocPoint);
        poolInfo[_pid].allocPoint = _allocPoint;
    }

    // Set the migrator contract. Can only be called by the owner.
    function setMigrator(IMigratorChef _migrator) public onlyOwner {
        migrator = _migrator;
    }

    // Migrate lp token to another lp contract.
    // Can be called by anyone.
    // We trust that migrator contract is good.
    function migrate(uint256 _pid) public {
        require(address(migrator) != address(0), "migrate: no migrator");
        PoolInfo storage pool = poolInfo[_pid];
        IERC20 lpToken = pool.lpToken;
        uint256 bal = lpToken.balanceOf(address(this));
        lpToken.safeApprove(address(migrator), bal);
        IERC20 newLpToken = migrator.migrate(lpToken);
        require(!lpTokenExistsInPool[address(newLpToken)],"MasterChef: New LP Token Address already exists in pool");
        require(bal == newLpToken.balanceOf(address(this)), "migrate: bad");
        pool.lpToken = newLpToken;
        lpTokenExistsInPool[address(newLpToken)] = true;
    }

    // Return reward multiplier over the given _from to _to block.
    function getMultiplier(uint256 _from, uint256 _to) public view returns (uint256) {
        if (_to <= bonusEndBlock) {
            return _to.sub(_from).mul(BONUS_MULTIPLIER);
        } else if (_from >= bonusEndBlock) {
            return _to.sub(_from);
        } else {
            return bonusEndBlock.sub(_from).mul(BONUS_MULTIPLIER).add(
                _to.sub(bonusEndBlock)
            );
        }
    }

    // View function to see pending TACOs on frontend.
    function pendingTaco(uint256 _pid, address _user) external view returns (uint256) {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][_user];
        uint256 accTacoPerShare = pool.accTacoPerShare;
        uint256 lpSupply = pool.lpToken.balanceOf(address(this));
        if (block.number > pool.lastRewardBlock && lpSupply != 0) {
            uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
            uint256 tacoReward = multiplier.mul(tacoPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
            accTacoPerShare = accTacoPerShare.add(tacoReward.mul(1e12).div(lpSupply));
        }
        return user.amount.mul(accTacoPerShare).div(1e12).sub(user.rewardDebt);
    }

    // Update reward variables for all pools. Be careful of gas spending!
    function massUpdatePools() public {
        uint256 length = poolInfo.length;
        for (uint256 pid = 0; pid < length; ++pid) {
            updatePool(pid);
        }
    }

    // Update reward variables of the given pool to be up-to-date.
    function updatePool(uint256 _pid) public {
        PoolInfo storage pool = poolInfo[_pid];
        if (block.number <= pool.lastRewardBlock) {
            return;
        }
        uint256 lpSupply = pool.lpToken.balanceOf(address(this));
        if (lpSupply == 0) {
            pool.lastRewardBlock = block.number;
            return;
        }
        uint256 multiplier = getMultiplier(pool.lastRewardBlock, block.number);
        uint256 tacoReward = multiplier.mul(tacoPerBlock).mul(pool.allocPoint).div(totalAllocPoint);
        taco.mint(devaddr, tacoReward.div(10));
        taco.mint(address(this), tacoReward);
        pool.accTacoPerShare = pool.accTacoPerShare.add(tacoReward.mul(1e12).div(lpSupply));
        pool.lastRewardBlock = block.number;
    }

    // Deposit LP tokens to MasterChef for TACO allocation.
    function deposit(uint256 _pid, uint256 _amount) public {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        updatePool(_pid);
        if (user.amount > 0) {
            uint256 pending = user.amount.mul(pool.accTacoPerShare).div(1e12).sub(user.rewardDebt);
            if(pending > 0) {
                safeTacoTransfer(msg.sender, pending);
            }
        }
        if(_amount > 0) {
            pool.lpToken.safeTransferFrom(address(msg.sender), address(this), _amount);
            user.amount = user.amount.add(_amount);
        }
        user.rewardDebt = user.amount.mul(pool.accTacoPerShare).div(1e12);
        emit Deposit(msg.sender, _pid, _amount);
    }

    // Withdraw LP tokens from MasterChef.
    function withdraw(uint256 _pid, uint256 _amount) public {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        require(user.amount >= _amount, "withdraw: not good");
        updatePool(_pid);
        uint256 pending = user.amount.mul(pool.accTacoPerShare).div(1e12).sub(user.rewardDebt);
        if(pending > 0) {
            safeTacoTransfer(msg.sender, pending);
        }
        if(_amount > 0) {
            user.amount = user.amount.sub(_amount);
            pool.lpToken.safeTransfer(address(msg.sender), _amount);
        }
        user.rewardDebt = user.amount.mul(pool.accTacoPerShare).div(1e12);
        emit Withdraw(msg.sender, _pid, _amount);
    }

    // Withdraw without caring about rewards. EMERGENCY ONLY.
    function emergencyWithdraw(uint256 _pid) public {
        PoolInfo storage pool = poolInfo[_pid];
        UserInfo storage user = userInfo[_pid][msg.sender];
        uint256 amount = user.amount;
        user.amount = 0;
        user.rewardDebt = 0;
        pool.lpToken.safeTransfer(address(msg.sender), amount);
        emit EmergencyWithdraw(msg.sender, _pid, amount);
    }

    // Safe taco transfer function, just in case if rounding error causes pool to not have enough TACOs.
    function safeTacoTransfer(address _to, uint256 _amount) internal {
        uint256 tacoBal = taco.balanceOf(address(this));
        if (_amount > tacoBal) {
            taco.transfer(_to, tacoBal);
        } else {
            taco.transfer(_to, _amount);
        }
    }

    // Update dev address by the previous dev.
    function dev(address _devaddr) public {
        require(msg.sender == devaddr, "dev: wut?");
        devaddr = _devaddr;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract TacoToken","name":"_taco","type":"address"},{"internalType":"address","name":"_devaddr","type":"address"},{"internalType":"uint256","name":"_tacoPerBlock","type":"uint256"},{"internalType":"uint256","name":"_startBlock","type":"uint256"},{"internalType":"uint256","name":"_bonusEndBlock","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EmergencyWithdraw","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint256","name":"pid","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"BONUS_MULTIPLIER","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"contract IERC20","name":"_lpToken","type":"address"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"add","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"bonusEndBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_devaddr","type":"address"}],"name":"dev","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"devaddr","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_from","type":"uint256"},{"internalType":"uint256","name":"_to","type":"uint256"}],"name":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"lpTokenExistsInPool","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"massUpdatePools","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"migrate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"migrator","outputs":[{"internalType":"contract IMigratorChef","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"address","name":"_user","type":"address"}],"name":"pendingTaco","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"poolInfo","outputs":[{"internalType":"contract IERC20","name":"lpToken","type":"address"},{"internalType":"uint256","name":"allocPoint","type":"uint256"},{"internalType":"uint256","name":"lastRewardBlock","type":"uint256"},{"internalType":"uint256","name":"accTacoPerShare","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_allocPoint","type":"uint256"},{"internalType":"bool","name":"_withUpdate","type":"bool"}],"name":"set","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IMigratorChef","name":"_migrator","type":"address"}],"name":"setMigrator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"taco","outputs":[{"internalType":"contract TacoToken","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"tacoPerBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_lpTokenAddr","type":"address"},{"internalType":"bool","name":"_isExists","type":"bool"}],"name":"updateLpTokenExists","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"}],"name":"updatePool","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"address","name":"","type":"address"}],"name":"userInfo","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_pid","type":"uint256"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0x608060405234801561001057600080fd5b50600436106101c45760003560e01c806364482f79116100f957806393f1a40b11610097578063ce38b71711610071578063ce38b71714610493578063d49e77cd146104bf578063e2bbb158146104c7578063f2fde38b146104ea576101c4565b806393f1a40b1461040c578063a8a5f31114610451578063cc4d324014610459576101c4565b80638aa28550116100d35780638aa28550146103b35780638d88a90e146103bb5780638da5cb5b146103e15780638dbb1e3a146103e9576101c4565b806364482f7914610378578063715018a6146103a35780637cd07e47146103ab576101c4565b8063441a3e701161016657806351eb05a61161014057806351eb05a6146103085780635312ea8e14610325578063607df9b914610342578063630b5ba114610370576101c4565b8063441a3e70146102c0578063454b0608146102e357806348cd4cb114610300576101c4565b806317caf6f1116101a257806317caf6f1146102545780631aed65531461025c5780631eaaa0451461026457806323cf31181461029a576101c4565b8063081e3eda146101c95780631240c76a146101e35780631526fe2714610207575b600080fd5b6101d1610510565b60408051918252519081900360200190f35b6101eb610516565b604080516001600160a01b039092168252519081900360200190f35b6102246004803603602081101561021d57600080fd5b5035610525565b604080516001600160a01b0390951685526020850193909352838301919091526060830152519081900360800190f35b6101d1610566565b6101d161056c565b6102986004803603606081101561027a57600080fd5b508035906001600160a01b0360208201351690604001351515610572565b005b610298600480360360208110156102b057600080fd5b50356001600160a01b0316610763565b610298600480360360408110156102d657600080fd5b50803590602001356107dd565b610298600480360360208110156102f957600080fd5b503561093c565b6101d1610c0a565b6102986004803603602081101561031e57600080fd5b5035610c10565b6102986004803603602081101561033b57600080fd5b5035610e37565b6102986004803603604081101561035857600080fd5b506001600160a01b0381351690602001351515610ed3565b610298610f56565b6102986004803603606081101561038e57600080fd5b50803590602081013590604001351515610f79565b61029861104a565b6101eb6110ec565b6101d16110fb565b610298600480360360208110156103d157600080fd5b50356001600160a01b0316611100565b6101eb61116d565b6101d1600480360360408110156103ff57600080fd5b508035906020013561117c565b6104386004803603604081101561042257600080fd5b50803590602001356001600160a01b03166111e8565b6040805192835260208301919091528051918290030190f35b6101d161120c565b61047f6004803603602081101561046f57600080fd5b50356001600160a01b0316611212565b604080519115158252519081900360200190f35b6101d1600480360360408110156104a957600080fd5b50803590602001356001600160a01b0316611227565b6101eb611389565b610298600480360360408110156104dd57600080fd5b5080359060200135611398565b6102986004803603602081101561050057600080fd5b50356001600160a01b03166114aa565b60075490565b6001546001600160a01b031681565b6007818154811061053257fe5b600091825260209091206004909102018054600182015460028301546003909301546001600160a01b039092169350919084565b60095481565b60035481565b61057a6115a2565b6000546001600160a01b039081169116146105ca576040805162461bcd60e51b81526020600482018190526024820152600080516020611e23833981519152604482015290519081900360640190fd5b6001600160a01b03821660009081526006602052604090205460ff16156106225760405162461bcd60e51b8152600401808060200182810382526033815260200180611e436033913960400191505060405180910390fd5b801561063057610630610f56565b6000600a54431161064357600a54610645565b435b60095490915061065590856115a6565b600955604080516080810182526001600160a01b039485168082526020808301978852828401948552600060608401818152600780546001808201835591845295517fa66cc928b5edb82af9bd49922954155ab7b0942694bea4ce44661d9a8736c688600490970296870180546001600160a01b03191691909b161790995598517fa66cc928b5edb82af9bd49922954155ab7b0942694bea4ce44661d9a8736c68985015594517fa66cc928b5edb82af9bd49922954155ab7b0942694bea4ce44661d9a8736c68a84015596517fa66cc928b5edb82af9bd49922954155ab7b0942694bea4ce44661d9a8736c68b909201919091558252600690945292909220805460ff1916909117905550565b61076b6115a2565b6000546001600160a01b039081169116146107bb576040805162461bcd60e51b81526020600482018190526024820152600080516020611e23833981519152604482015290519081900360640190fd5b600580546001600160a01b0319166001600160a01b0392909216919091179055565b6000600783815481106107ec57fe5b60009182526020808320868452600882526040808520338652909252922080546004909202909201925083111561085f576040805162461bcd60e51b81526020600482015260126024820152711dda5d1a191c985dce881b9bdd0819dbdbd960721b604482015290519081900360640190fd5b61086884610c10565b60006108a2826001015461089c64e8d4a510006108968760030154876000015461160790919063ffffffff16565b90611660565b906116a2565b905080156108b4576108b433826116e4565b83156108de5781546108c690856116a2565b825582546108de906001600160a01b03163386611875565b600383015482546108f99164e8d4a510009161089691611607565b6001830155604080518581529051869133917ff279e6a1f5e320cca91135676d9cb6e44ca8a08c0b88342bcdb1144f6511b5689181900360200190a35050505050565b6005546001600160a01b0316610990576040805162461bcd60e51b815260206004820152601460248201527336b4b3b930ba329d1037379036b4b3b930ba37b960611b604482015290519081900360640190fd5b60006007828154811061099f57fe5b600091825260208083206004928302018054604080516370a0823160e01b81523095810195909552519195506001600160a01b0316939284926370a0823192602480840193829003018186803b1580156109f857600080fd5b505afa158015610a0c573d6000803e3d6000fd5b505050506040513d6020811015610a2257600080fd5b5051600554909150610a41906001600160a01b038481169116836118c7565b6005546040805163ce5494bb60e01b81526001600160a01b0385811660048301529151600093929092169163ce5494bb9160248082019260209290919082900301818787803b158015610a9357600080fd5b505af1158015610aa7573d6000803e3d6000fd5b505050506040513d6020811015610abd57600080fd5b50516001600160a01b03811660009081526006602052604090205490915060ff1615610b1a5760405162461bcd60e51b8152600401808060200182810382526037815260200180611dcb6037913960400191505060405180910390fd5b604080516370a0823160e01b815230600482015290516001600160a01b038316916370a08231916024808301926020929190829003018186803b158015610b6057600080fd5b505afa158015610b74573d6000803e3d6000fd5b505050506040513d6020811015610b8a57600080fd5b50518214610bce576040805162461bcd60e51b815260206004820152600c60248201526b1b5a59dc985d194e8818985960a21b604482015290519081900360640190fd5b83546001600160a01b039091166001600160a01b0319909116811790935550506000908152600660205260409020805460ff1916600117905550565b600a5481565b600060078281548110610c1f57fe5b9060005260206000209060040201905080600201544311610c405750610e34565b8054604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b158015610c8a57600080fd5b505afa158015610c9e573d6000803e3d6000fd5b505050506040513d6020811015610cb457600080fd5b5051905080610cca575043600290910155610e34565b6000610cda83600201544361117c565b90506000610d076009546108968660010154610d016004548761160790919063ffffffff16565b90611607565b6001546002549192506001600160a01b03908116916340c10f199116610d2e84600a611660565b6040518363ffffffff1660e01b815260040180836001600160a01b0316815260200182815260200192505050600060405180830381600087803b158015610d7457600080fd5b505af1158015610d88573d6000803e3d6000fd5b5050600154604080516340c10f1960e01b81523060048201526024810186905290516001600160a01b0390921693506340c10f19925060448082019260009290919082900301818387803b158015610ddf57600080fd5b505af1158015610df3573d6000803e3d6000fd5b50505050610e21610e168461089664e8d4a510008561160790919063ffffffff16565b6003860154906115a6565b6003850155505043600290920191909155505b50565b600060078281548110610e4657fe5b600091825260208083208584526008825260408085203380875293528420805485825560018201959095556004909302018054909450919291610e96916001600160a01b03919091169083611875565b604080518281529051859133917fbb757047c2b5f3974fe26b7c10f732e7bce710b0952a71082702781e62ae05959181900360200190a350505050565b610edb6115a2565b6000546001600160a01b03908116911614610f2b576040805162461bcd60e51b81526020600482018190526024820152600080516020611e23833981519152604482015290519081900360640190fd5b6001600160a01b03919091166000908152600660205260409020805460ff1916911515919091179055565b60075460005b81811015610f7557610f6d81610c10565b600101610f5c565b5050565b610f816115a2565b6000546001600160a01b03908116911614610fd1576040805162461bcd60e51b81526020600482018190526024820152600080516020611e23833981519152604482015290519081900360640190fd5b8015610fdf57610fdf610f56565b61101c8261101660078681548110610ff357fe5b9060005260206000209060040201600101546009546116a290919063ffffffff16565b906115a6565b600981905550816007848154811061103057fe5b906000526020600020906004020160010181905550505050565b6110526115a2565b6000546001600160a01b039081169116146110a2576040805162461bcd60e51b81526020600482018190526024820152600080516020611e23833981519152604482015290519081900360640190fd5b600080546040516001600160a01b03909116907f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0908390a3600080546001600160a01b0319169055565b6005546001600160a01b031681565b600481565b6002546001600160a01b0316331461114b576040805162461bcd60e51b81526020600482015260096024820152686465763a207775743f60b81b604482015290519081900360640190fd5b600280546001600160a01b0319166001600160a01b0392909216919091179055565b6000546001600160a01b031690565b6000600354821161119d576111966004610d0184866116a2565b90506111e2565b60035483106111b05761119682846116a2565b6111966111c8600354846116a290919063ffffffff16565b6110166004610d01876003546116a290919063ffffffff16565b92915050565b60086020908152600092835260408084209091529082529020805460019091015482565b60045481565b60066020526000908152604090205460ff1681565b6000806007848154811061123757fe5b600091825260208083208784526008825260408085206001600160a01b03898116875290845281862060049586029093016003810154815484516370a0823160e01b81523098810198909852935191985093969395939492909116926370a08231926024808301939192829003018186803b1580156112b557600080fd5b505afa1580156112c9573d6000803e3d6000fd5b505050506040513d60208110156112df57600080fd5b50516002850154909150431180156112f657508015155b1561135657600061130b85600201544361117c565b905060006113326009546108968860010154610d016004548761160790919063ffffffff16565b905061135161134a846108968464e8d4a51000611607565b85906115a6565b935050505b61137e836001015461089c64e8d4a5100061089686886000015461160790919063ffffffff16565b979650505050505050565b6002546001600160a01b031681565b6000600783815481106113a757fe5b600091825260208083208684526008825260408085203386529092529220600490910290910191506113d884610c10565b80541561142157600061140d826001015461089c64e8d4a510006108968760030154876000015461160790919063ffffffff16565b9050801561141f5761141f33826116e4565b505b821561144d57815461143e906001600160a01b03163330866119da565b805461144a90846115a6565b81555b600382015481546114689164e8d4a510009161089691611607565b6001820155604080518481529051859133917f90890809c654f11d6e72a28fa60149770a0d11ec6c92319d6ceb2bb0a4ea1a159181900360200190a350505050565b6114b26115a2565b6000546001600160a01b03908116911614611502576040805162461bcd60e51b81526020600482018190526024820152600080516020611e23833981519152604482015290519081900360640190fd5b6001600160a01b0381166115475760405162461bcd60e51b8152600401808060200182810382526026815260200180611da56026913960400191505060405180910390fd5b600080546040516001600160a01b03808516939216917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e091a3600080546001600160a01b0319166001600160a01b0392909216919091179055565b3390565b600082820183811015611600576040805162461bcd60e51b815260206004820152601b60248201527f536166654d6174683a206164646974696f6e206f766572666c6f770000000000604482015290519081900360640190fd5b9392505050565b600082611616575060006111e2565b8282028284828161162357fe5b04146116005760405162461bcd60e51b8152600401808060200182810382526021815260200180611e026021913960400191505060405180910390fd5b600061160083836040518060400160405280601a81526020017f536166654d6174683a206469766973696f6e206279207a65726f000000000000815250611a3a565b600061160083836040518060400160405280601e81526020017f536166654d6174683a207375627472616374696f6e206f766572666c6f770000815250611adc565b600154604080516370a0823160e01b815230600482015290516000926001600160a01b0316916370a08231916024808301926020929190829003018186803b15801561172f57600080fd5b505afa158015611743573d6000803e3d6000fd5b505050506040513d602081101561175957600080fd5b50519050808211156117ed576001546040805163a9059cbb60e01b81526001600160a01b038681166004830152602482018590529151919092169163a9059cbb9160448083019260209291908290030181600087803b1580156117bb57600080fd5b505af11580156117cf573d6000803e3d6000fd5b505050506040513d60208110156117e557600080fd5b506118709050565b6001546040805163a9059cbb60e01b81526001600160a01b038681166004830152602482018690529151919092169163a9059cbb9160448083019260209291908290030181600087803b15801561184357600080fd5b505af1158015611857573d6000803e3d6000fd5b505050506040513d602081101561186d57600080fd5b50505b505050565b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b031663a9059cbb60e01b179052611870908490611b36565b80158061194d575060408051636eb1769f60e11b81523060048201526001600160a01b03848116602483015291519185169163dd62ed3e91604480820192602092909190829003018186803b15801561191f57600080fd5b505afa158015611933573d6000803e3d6000fd5b505050506040513d602081101561194957600080fd5b5051155b6119885760405162461bcd60e51b8152600401808060200182810382526036815260200180611ea06036913960400191505060405180910390fd5b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b031663095ea7b360e01b179052611870908490611b36565b604080516001600160a01b0380861660248301528416604482015260648082018490528251808303909101815260849091019091526020810180516001600160e01b03166323b872dd60e01b179052611a34908590611b36565b50505050565b60008183611ac65760405162461bcd60e51b81526004018080602001828103825283818151815260200191508051906020019080838360005b83811015611a8b578181015183820152602001611a73565b50505050905090810190601f168015611ab85780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b506000838581611ad257fe5b0495945050505050565b60008184841115611b2e5760405162461bcd60e51b8152602060048201818152835160248401528351909283926044909101919085019080838360008315611a8b578181015183820152602001611a73565b505050900390565b6060611b8b826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564815250856001600160a01b0316611be79092919063ffffffff16565b80519091501561187057808060200190516020811015611baa57600080fd5b50516118705760405162461bcd60e51b815260040180806020018281038252602a815260200180611e76602a913960400191505060405180910390fd5b6060611bf68484600085611bfe565b949350505050565b6060611c0985611d6b565b611c5a576040805162461bcd60e51b815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e7472616374000000604482015290519081900360640190fd5b60006060866001600160a01b031685876040518082805190602001908083835b60208310611c995780518252601f199092019160209182019101611c7a565b6001836020036101000a03801982511681845116808217855250505050505090500191505060006040518083038185875af1925050503d8060008114611cfb576040519150601f19603f3d011682016040523d82523d6000602084013e611d00565b606091505b50915091508115611d14579150611bf69050565b805115611d245780518082602001fd5b60405162461bcd60e51b8152602060048201818152865160248401528651879391928392604401919085019080838360008315611a8b578181015183820152602001611a73565b6000813f7fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470818114801590611bf657505015159291505056fe4f776e61626c653a206e6577206f776e657220697320746865207a65726f20616464726573734d6173746572436865663a204e6577204c5020546f6b656e204164647265737320616c72656164792065786973747320696e20706f6f6c536166654d6174683a206d756c7469706c69636174696f6e206f766572666c6f774f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e65724d6173746572436865663a204c5020546f6b656e204164647265737320616c72656164792065786973747320696e20706f6f6c5361666545524332303a204552433230206f7065726174696f6e20646964206e6f7420737563636565645361666545524332303a20617070726f76652066726f6d206e6f6e2d7a65726f20746f206e6f6e2d7a65726f20616c6c6f77616e6365a26469706673582212202567e145dd8dfa2a2d8d551073facd3e4f41ce7222f57a1118de25c1664c7cb364736f6c634300060c0033

00000000000000000000000041c028a4c1f461ebfc3af91619b240004ebad216000000000000000000000000a5a6707dbad87609c8b21270653e7a0490e9bf210000000000000000000000000000000000000000000000056bc75e2d631000000000000000000000000000000000000000000000000000000000000000a737d00000000000000000000000000000000000000000000000000000000000ad2b40

-----Decoded View---------------
Arg [0] : _taco (address): 0x41C028a4C1F461eBFC3af91619b240004ebAD216
Arg [1] : _devaddr (address): 0xA5a6707DBAD87609C8b21270653E7A0490E9BF21
Arg [2] : _tacoPerBlock (uint256): 100000000000000000000
Arg [3] : _startBlock (uint256): 10958800
Arg [4] : _bonusEndBlock (uint256): 11348800

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 00000000000000000000000041c028a4c1f461ebfc3af91619b240004ebad216
Arg [1] : 000000000000000000000000a5a6707dbad87609c8b21270653e7a0490e9bf21
Arg [2] : 0000000000000000000000000000000000000000000000056bc75e2d63100000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000a737d0
Arg [4] : 0000000000000000000000000000000000000000000000000000000000ad2b40

50135:10584:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;53124:95;;;:::i;:::-;;;;;;;;;;;;;;;;51516:21;;;:::i;:::-;;;;-1:-1:-1;;;;;51516:21:0;;;;;;;;;;;;;;52149:26;;;;;;;;;;;;;;;;-1:-1:-1;52149:26:0;;:::i;:::-;;;;-1:-1:-1;;;;;52149:26:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;52392:34;;;:::i;51644:28::-;;;:::i;53294:685::-;;;;;;;;;;;;;;;;-1:-1:-1;53294:685:0;;;-1:-1:-1;;;;;53294:685:0;;;;;;;;;;;;:::i;:::-;;54719:102;;;;;;;;;;;;;;;;-1:-1:-1;54719:102:0;-1:-1:-1;;;;;54719:102:0;;:::i;58943:740::-;;;;;;;;;;;;;;;;-1:-1:-1;58943:740:0;;;;;;;:::i;54960:668::-;;;;;;;;;;;;;;;;-1:-1:-1;54960:668:0;;:::i;52483:25::-;;;:::i;57289:781::-;;;;;;;;;;;;;;;;-1:-1:-1;57289:781:0;;:::i;59754:385::-;;;;;;;;;;;;;;;;-1:-1:-1;59754:385:0;;:::i;54093:150::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;54093:150:0;;;;;;;;;;:::i;57033:180::-;;;:::i;54339:304::-;;;;;;;;;;;;;;;;-1:-1:-1;54339:304:0;;;;;;;;;;;;;;:::i;28978:148::-;;;:::i;51948:29::-;;;:::i;51799:44::-;;;:::i;60587:129::-;;;;;;;;;;;;;;;;-1:-1:-1;60587:129:0;-1:-1:-1;;;;;60587:129:0;;:::i;28336:79::-;;;:::i;55704:423::-;;;;;;;;;;;;;;;;-1:-1:-1;55704:423:0;;;;;;;:::i;52231:66::-;;;;;;;;;;;;;;;;-1:-1:-1;52231:66:0;;;;;;-1:-1:-1;;;;;52231:66:0;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;51718:27;;;:::i;52064:51::-;;;;;;;;;;;;;;;;-1:-1:-1;52064:51:0;-1:-1:-1;;;;;52064:51:0;;:::i;:::-;;;;;;;;;;;;;;;;;;56191:759;;;;;;;;;;;;;;;;-1:-1:-1;56191:759:0;;;;;;-1:-1:-1;;;;;56191:759:0;;:::i;51565:22::-;;;:::i;58139:752::-;;;;;;;;;;;;;;;;-1:-1:-1;58139:752:0;;;;;;;:::i;29281:244::-;;;;;;;;;;;;;;;;-1:-1:-1;29281:244:0;-1:-1:-1;;;;;29281:244:0;;:::i;53124:95::-;53196:8;:15;53124:95;:::o;51516:21::-;;;-1:-1:-1;;;;;51516:21:0;;:::o;52149:26::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;52149:26:0;;;;-1:-1:-1;52149:26:0;;;:::o;52392:34::-;;;;:::o;51644:28::-;;;;:::o;53294:685::-;28558:12;:10;:12::i;:::-;28548:6;;-1:-1:-1;;;;;28548:6:0;;;:22;;;28540:67;;;;;-1:-1:-1;;;28540:67:0;;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;28540:67:0;;;;;;;;;;;;;;;-1:-1:-1;;;;;53400:38:0;::::1;;::::0;;;:19:::1;:38;::::0;;;;;::::1;;53399:39;53391:103;;;;-1:-1:-1::0;;;53391:103:0::1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;53509:11;53505:61;;;53537:17;:15;:17::i;:::-;53576:23;53617:10;;53602:12;:25;:53;;53645:10;;53602:53;;;53630:12;53602:53;53684:15;::::0;53576:79;;-1:-1:-1;53684:32:0::1;::::0;53704:11;53684:19:::1;:32::i;:::-;53666:15;:50:::0;53741:171:::1;::::0;;::::1;::::0;::::1;::::0;;-1:-1:-1;;;;;53741:171:0;;::::1;::::0;;;::::1;::::0;;::::1;::::0;;;;;;;;;-1:-1:-1;53741:171:0;;;;;;53727:8:::1;:186:::0;;::::1;::::0;;::::1;::::0;;;;;;;;::::1;::::0;;::::1;::::0;;::::1;::::0;;-1:-1:-1;;;;;;53727:186:0::1;::::0;;;::::1;;::::0;;;;;;;;;;;;;;;;;;;;;;;;;53926:38;;:19:::1;:38:::0;;;;;;;:45;;-1:-1:-1;;53926:45:0::1;::::0;;::::1;::::0;;-1:-1:-1;53294:685:0:o;54719:102::-;28558:12;:10;:12::i;:::-;28548:6;;-1:-1:-1;;;;;28548:6:0;;;:22;;;28540:67;;;;;-1:-1:-1;;;28540:67:0;;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;28540:67:0;;;;;;;;;;;;;;;54793:8:::1;:20:::0;;-1:-1:-1;;;;;;54793:20:0::1;-1:-1:-1::0;;;;;54793:20:0;;;::::1;::::0;;;::::1;::::0;;54719:102::o;58943:740::-;59010:21;59034:8;59043:4;59034:14;;;;;;;;;;;;;;;;59083;;;:8;:14;;;;;;59098:10;59083:26;;;;;;;59128:11;;59034:14;;;;;;;;-1:-1:-1;59128:22:0;-1:-1:-1;59128:22:0;59120:53;;;;;-1:-1:-1;;;59120:53:0;;;;;;;;;;;;-1:-1:-1;;;59120:53:0;;;;;;;;;;;;;;;59184:16;59195:4;59184:10;:16::i;:::-;59211:15;59229:68;59281:4;:15;;;59229:47;59271:4;59229:37;59245:4;:20;;;59229:4;:11;;;:15;;:37;;;;:::i;:::-;:41;;:47::i;:::-;:51;;:68::i;:::-;59211:86;-1:-1:-1;59311:11:0;;59308:80;;59339:37;59356:10;59368:7;59339:16;:37::i;:::-;59401:11;;59398:151;;59443:11;;:24;;59459:7;59443:15;:24::i;:::-;59429:38;;59482:12;;:55;;-1:-1:-1;;;;;59482:12:0;59516:10;59529:7;59482:25;:55::i;:::-;59593:20;;;;59577:11;;:47;;59619:4;;59577:37;;:15;:37::i;:47::-;59559:15;;;:65;59640:35;;;;;;;;59661:4;;59649:10;;59640:35;;;;;;;;;58943:740;;;;;:::o;54960:668::-;55025:8;;-1:-1:-1;;;;;55025:8:0;55009:64;;;;;-1:-1:-1;;;55009:64:0;;;;;;;;;;;;-1:-1:-1;;;55009:64:0;;;;;;;;;;;;;;;55084:21;55108:8;55117:4;55108:14;;;;;;;;;;;;;;;;;;;;;55150:12;;55187:32;;;-1:-1:-1;;;55187:32:0;;55213:4;55187:32;;;;;;;;55108:14;;-1:-1:-1;;;;;;55150:12:0;;55108:14;55150:12;;55187:17;;:32;;;;;;;;;;55150:12;55187:32;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;55187:32:0;55258:8;;55187:32;;-1:-1:-1;55230:43:0;;-1:-1:-1;;;;;55230:19:0;;;;55258:8;55187:32;55230:19;:43::i;:::-;55304:8;;:25;;;-1:-1:-1;;;55304:25:0;;-1:-1:-1;;;;;55304:25:0;;;;;;;;;55284:17;;55304:8;;;;;:16;;:25;;;;;;;;;;;;;;;55284:17;55304:8;:25;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;55304:25:0;-1:-1:-1;;;;;55349:40:0;;;;;;:19;55304:25;55349:40;;;;;55304:25;;-1:-1:-1;55349:40:0;;55348:41;55340:108;;;;-1:-1:-1;;;55340:108:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;55474:35;;;-1:-1:-1;;;55474:35:0;;55503:4;55474:35;;;;;;-1:-1:-1;;;;;55474:20:0;;;;;:35;;;;;;;;;;;;;;:20;:35;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;55474:35:0;55467:42;;55459:67;;;;;-1:-1:-1;;;55459:67:0;;;;;;;;;;;;-1:-1:-1;;;55459:67:0;;;;;;;;;;;;;;;55537:25;;-1:-1:-1;;;;;55537:25:0;;;-1:-1:-1;;;;;;55537:25:0;;;;;;;;-1:-1:-1;;55537:12:0;55573:40;;;:19;:40;;;;;:47;;-1:-1:-1;;55573:47:0;55537:25;55573:47;;;-1:-1:-1;54960:668:0:o;52483:25::-;;;;:::o;57289:781::-;57341:21;57365:8;57374:4;57365:14;;;;;;;;;;;;;;;;;;57341:38;;57410:4;:20;;;57394:12;:36;57390:75;;57447:7;;;57390:75;57494:12;;:37;;;-1:-1:-1;;;57494:37:0;;57525:4;57494:37;;;;;;57475:16;;-1:-1:-1;;;;;57494:12:0;;:22;;:37;;;;;;;;;;;;;;:12;:37;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;57494:37:0;;-1:-1:-1;57546:13:0;57542:102;;-1:-1:-1;57599:12:0;57576:20;;;;:35;57626:7;;57542:102;57654:18;57675:49;57689:4;:20;;;57711:12;57675:13;:49::i;:::-;57654:70;;57735:18;57756:70;57810:15;;57756:49;57789:4;:15;;;57756:28;57771:12;;57756:10;:14;;:28;;;;:::i;:::-;:32;;:49::i;:70::-;57837:4;;57847:7;;57735:91;;-1:-1:-1;;;;;;57837:4:0;;;;:9;;57847:7;57856:18;57735:91;57871:2;57856:14;:18::i;:::-;57837:38;;;;;;;;;;;;;-1:-1:-1;;;;;57837:38:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;57886:4:0;;:36;;;-1:-1:-1;;;57886:36:0;;57904:4;57886:36;;;;;;;;;;;;-1:-1:-1;;;;;57886:4:0;;;;-1:-1:-1;57886:9:0;;-1:-1:-1;57886:36:0;;;;;:4;;:36;;;;;;;;:4;;:36;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;57956:60;57981:34;58006:8;57981:20;57996:4;57981:10;:14;;:20;;;;:::i;:34::-;57956:20;;;;;:24;:60::i;:::-;57933:20;;;:83;-1:-1:-1;;58050:12:0;58027:20;;;;:35;;;;-1:-1:-1;57289:781:0;;:::o;59754:385::-;59813:21;59837:8;59846:4;59837:14;;;;;;;;;;;;;;;;59886;;;:8;:14;;;;;;59901:10;59886:26;;;;;;;59940:11;;59962:15;;;-1:-1:-1;59988:15:0;;:19;;;;59837:14;;;;;60018:12;;59837:14;;-1:-1:-1;59886:26:0;;59940:11;60018:54;;-1:-1:-1;;;;;60018:12:0;;;;;59940:11;60018:25;:54::i;:::-;60088:43;;;;;;;;60118:4;;60106:10;;60088:43;;;;;;;;;59754:385;;;;:::o;54093:150::-;28558:12;:10;:12::i;:::-;28548:6;;-1:-1:-1;;;;;28548:6:0;;;:22;;;28540:67;;;;;-1:-1:-1;;;28540:67:0;;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;28540:67:0;;;;;;;;;;;;;;;-1:-1:-1;;;;;54190:33:0;;;::::1;;::::0;;;:19:::1;:33;::::0;;;;:45;;-1:-1:-1;;54190:45:0::1;::::0;::::1;;::::0;;;::::1;::::0;;54093:150::o;57033:180::-;57095:8;:15;57078:14;57121:85;57149:6;57143:3;:12;57121:85;;;57179:15;57190:3;57179:10;:15::i;:::-;57157:5;;57121:85;;;;57033:180;:::o;54339:304::-;28558:12;:10;:12::i;:::-;28548:6;;-1:-1:-1;;;;;28548:6:0;;;:22;;;28540:67;;;;;-1:-1:-1;;;28540:67:0;;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;28540:67:0;;;;;;;;;;;;;;;54437:11:::1;54433:61;;;54465:17;:15;:17::i;:::-;54522:63;54573:11;54522:46;54542:8;54551:4;54542:14;;;;;;;;;;;;;;;;;;:25;;;54522:15;;:19;;:46;;;;:::i;:::-;:50:::0;::::1;:63::i;:::-;54504:15;:81;;;;54624:11;54596:8;54605:4;54596:14;;;;;;;;;;;;;;;;;;:25;;:39;;;;54339:304:::0;;;:::o;28978:148::-;28558:12;:10;:12::i;:::-;28548:6;;-1:-1:-1;;;;;28548:6:0;;;:22;;;28540:67;;;;;-1:-1:-1;;;28540:67:0;;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;28540:67:0;;;;;;;;;;;;;;;29085:1:::1;29069:6:::0;;29048:40:::1;::::0;-1:-1:-1;;;;;29069:6:0;;::::1;::::0;29048:40:::1;::::0;29085:1;;29048:40:::1;29116:1;29099:19:::0;;-1:-1:-1;;;;;;29099:19:0::1;::::0;;28978:148::o;51948:29::-;;;-1:-1:-1;;;;;51948:29:0;;:::o;51799:44::-;51842:1;51799:44;:::o;60587:129::-;60658:7;;-1:-1:-1;;;;;60658:7:0;60644:10;:21;60636:43;;;;;-1:-1:-1;;;60636:43:0;;;;;;;;;;;;-1:-1:-1;;;60636:43:0;;;;;;;;;;;;;;;60690:7;:18;;-1:-1:-1;;;;;;60690:18:0;-1:-1:-1;;;;;60690:18:0;;;;;;;;;;60587:129::o;28336:79::-;28374:7;28401:6;-1:-1:-1;;;;;28401:6:0;28336:79;:::o;55704:423::-;55776:7;55807:13;;55800:3;:20;55796:324;;55844:36;51842:1;55844:14;:3;55852:5;55844:7;:14::i;:36::-;55837:43;;;;55796:324;55911:13;;55902:5;:22;55898:222;;55948:14;:3;55956:5;55948:7;:14::i;55898:222::-;56002:106;56071:22;56079:13;;56071:3;:7;;:22;;;;:::i;:::-;56002:46;51842:1;56002:24;56020:5;56002:13;;:17;;:24;;;;:::i;55898:222::-;55704:423;;;;:::o;52231:66::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::o;51718:27::-;;;;:::o;52064:51::-;;;;;;;;;;;;;;;:::o;56191:759::-;56264:7;56284:21;56308:8;56317:4;56308:14;;;;;;;;;;;;;;;;56357;;;:8;:14;;;;;;-1:-1:-1;;;;;56357:21:0;;;;;;;;;;;56308:14;;;;;;;56415:20;;;;56465:12;;:37;;-1:-1:-1;;;56465:37:0;;56496:4;56465:37;;;;;;;;;56308:14;;-1:-1:-1;56357:21:0;;56415:20;;56308:14;;56465:12;;;;;:22;;:37;;;;;56308:14;;56465:37;;;;;:12;:37;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;56465:37:0;56532:20;;;;56465:37;;-1:-1:-1;56517:12:0;:35;:52;;;;-1:-1:-1;56556:13:0;;;56517:52;56513:349;;;56586:18;56607:49;56621:4;:20;;;56643:12;56607:13;:49::i;:::-;56586:70;;56671:18;56692:70;56746:15;;56692:49;56725:4;:15;;;56692:28;56707:12;;56692:10;:14;;:28;;;;:::i;:70::-;56671:91;-1:-1:-1;56795:55:0;56815:34;56840:8;56815:20;56671:91;56830:4;56815:14;:20::i;:34::-;56795:15;;:19;:55::i;:::-;56777:73;;56513:349;;;56879:63;56926:4;:15;;;56879:42;56916:4;56879:32;56895:15;56879:4;:11;;;:15;;:32;;;;:::i;:63::-;56872:70;56191:759;-1:-1:-1;;;;;;;56191:759:0:o;51565:22::-;;;-1:-1:-1;;;;;51565:22:0;;:::o;58139:752::-;58205:21;58229:8;58238:4;58229:14;;;;;;;;;;;;;;;;58278;;;:8;:14;;;;;;58293:10;58278:26;;;;;;;58229:14;;;;;;;;-1:-1:-1;58315:16:0;58287:4;58315:10;:16::i;:::-;58346:11;;:15;58342:236;;58378:15;58396:68;58448:4;:15;;;58396:47;58438:4;58396:37;58412:4;:20;;;58396:4;:11;;;:15;;:37;;;;:::i;:68::-;58378:86;-1:-1:-1;58482:11:0;;58479:88;;58514:37;58531:10;58543:7;58514:16;:37::i;:::-;58342:236;;58591:11;;58588:170;;58619:12;;:74;;-1:-1:-1;;;;;58619:12:0;58657:10;58678:4;58685:7;58619:29;:74::i;:::-;58722:11;;:24;;58738:7;58722:15;:24::i;:::-;58708:38;;58588:170;58802:20;;;;58786:11;;:47;;58828:4;;58786:37;;:15;:37::i;:47::-;58768:15;;;:65;58849:34;;;;;;;;58869:4;;58857:10;;58849:34;;;;;;;;;58139:752;;;;:::o;29281:244::-;28558:12;:10;:12::i;:::-;28548:6;;-1:-1:-1;;;;;28548:6:0;;;:22;;;28540:67;;;;;-1:-1:-1;;;28540:67:0;;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;28540:67:0;;;;;;;;;;;;;;;-1:-1:-1;;;;;29370:22:0;::::1;29362:73;;;;-1:-1:-1::0;;;29362:73:0::1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;29472:6;::::0;;29451:38:::1;::::0;-1:-1:-1;;;;;29451:38:0;;::::1;::::0;29472:6;::::1;::::0;29451:38:::1;::::0;::::1;29500:6;:17:::0;;-1:-1:-1;;;;;;29500:17:0::1;-1:-1:-1::0;;;;;29500:17:0;;;::::1;::::0;;;::::1;::::0;;29281:244::o;26888:106::-;26976:10;26888:106;:::o;3766:181::-;3824:7;3856:5;;;3880:6;;;;3872:46;;;;;-1:-1:-1;;;3872:46:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;3938:1;3766:181;-1:-1:-1;;;3766:181:0:o;5120:471::-;5178:7;5423:6;5419:47;;-1:-1:-1;5453:1:0;5446:8;;5419:47;5490:5;;;5494:1;5490;:5;:1;5514:5;;;;;:10;5506:56;;;;-1:-1:-1;;;5506:56:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6067:132;6125:7;6152:39;6156:1;6159;6152:39;;;;;;;;;;;;;;;;;:3;:39::i;4230:136::-;4288:7;4315:43;4319:1;4322;4315:43;;;;;;;;;;;;;;;;;:3;:43::i;60253:278::-;60347:4;;:29;;;-1:-1:-1;;;60347:29:0;;60370:4;60347:29;;;;;;60329:15;;-1:-1:-1;;;;;60347:4:0;;:14;;:29;;;;;;;;;;;;;;:4;:29;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;60347:29:0;;-1:-1:-1;60391:17:0;;;60387:137;;;60425:4;;:27;;;-1:-1:-1;;;60425:27:0;;-1:-1:-1;;;;;60425:27:0;;;;;;;;;;;;;;;:4;;;;;:13;;:27;;;;;;;;;;;;;;:4;;:27;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;60387:137:0;;-1:-1:-1;60387:137:0;;60485:4;;:27;;;-1:-1:-1;;;60485:27:0;;-1:-1:-1;;;;;60485:27:0;;;;;;;;;;;;;;;:4;;;;;:13;;:27;;;;;;;;;;;;;;:4;;:27;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;60387:137:0;60253:278;;;:::o;15128:177::-;15238:58;;;-1:-1:-1;;;;;15238:58:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;15238:58:0;-1:-1:-1;;;15238:58:0;;;15211:86;;15231:5;;15211:19;:86::i;15787:622::-;16157:10;;;16156:62;;-1:-1:-1;16173:39:0;;;-1:-1:-1;;;16173:39:0;;16197:4;16173:39;;;;-1:-1:-1;;;;;16173:39:0;;;;;;;;;:15;;;;;;:39;;;;;;;;;;;;;;;:15;:39;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;16173:39:0;:44;16156:62;16148:152;;;;-1:-1:-1;;;16148:152:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;16338:62;;;-1:-1:-1;;;;;16338:62:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;16338:62:0;-1:-1:-1;;;16338:62:0;;;16311:90;;16331:5;;16311:19;:90::i;15313:205::-;15441:68;;;-1:-1:-1;;;;;15441:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;15441:68:0;-1:-1:-1;;;15441:68:0;;;15414:96;;15434:5;;15414:19;:96::i;:::-;15313:205;;;;:::o;6695:278::-;6781:7;6816:12;6809:5;6801:28;;;;-1:-1:-1;;;6801:28:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;6840:9;6856:1;6852;:5;;;;;;;6695:278;-1:-1:-1;;;;;6695:278:0:o;4669:192::-;4755:7;4791:12;4783:6;;;;4775:29;;;;-1:-1:-1;;;4775:29:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;4827:5:0;;;4669:192::o;17433:761::-;17857:23;17883:69;17911:4;17883:69;;;;;;;;;;;;;;;;;17891:5;-1:-1:-1;;;;;17883:27:0;;;:69;;;;;:::i;:::-;17967:17;;17857:95;;-1:-1:-1;17967:21:0;17963:224;;18109:10;18098:30;;;;;;;;;;;;;;;-1:-1:-1;18098:30:0;18090:85;;;;-1:-1:-1;;;18090:85:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;12107:196;12210:12;12242:53;12265:6;12273:4;12279:1;12282:12;12242:22;:53::i;:::-;12235:60;12107:196;-1:-1:-1;;;;12107:196:0:o;13484:979::-;13614:12;13647:18;13658:6;13647:10;:18::i;:::-;13639:60;;;;;-1:-1:-1;;;13639:60:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;13773:12;13787:23;13814:6;-1:-1:-1;;;;;13814:11:0;13834:8;13845:4;13814:36;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;13814:36:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;13772:78;;;;13865:7;13861:595;;;13896:10;-1:-1:-1;13889:17:0;;-1:-1:-1;13889:17:0;13861:595;14010:17;;:21;14006:439;;14273:10;14267:17;14334:15;14321:10;14317:2;14313:19;14306:44;14221:148;14409:20;;-1:-1:-1;;;14409:20:0;;;;;;;;;;;;;;;;;14416:12;;14409:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8992:619;9052:4;9520:20;;9363:66;9560:23;;;;;;:42;;-1:-1:-1;;9587:15:0;;;9552:51;-1:-1:-1;;8992:619:0:o

ipfs://2567e145dd8dfa2a2d8d551073facd3e4f41ce7222f57a1118de25c1664c7cb3