Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE

More Options

• Is this a proxy?
• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";

import "./utils/ContractGuard.sol";
import "./interfaces/IBasisAsset.sol";
import "./interfaces/ITreasury.sol";

contract ShareWrapper {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    IERC20 public share;

    uint256 private _totalSupply;
    mapping(address => uint256) private _balances;

    function totalSupply() public view returns (uint256) {
        return _totalSupply;
    }

    function balanceOf(address account) public view returns (uint256) {
        return _balances[account];
    }

    function stake(uint256 amount) public virtual {
        _totalSupply = _totalSupply.add(amount);
        _balances[msg.sender] = _balances[msg.sender].add(amount);
        share.safeTransferFrom(msg.sender, address(this), amount);
    }

    function withdraw(uint256 amount) public virtual {
        uint256 masonShare = _balances[msg.sender];
        require(masonShare >= amount, "Masonry: withdraw request greater than staked amount");
        _totalSupply = _totalSupply.sub(amount);
        _balances[msg.sender] = masonShare.sub(amount);
        share.safeTransfer(msg.sender, amount);
    }
}

/*
  ______                __       _______
 /_  __/___  ____ ___  / /_     / ____(_)___  ____ _____  ________
  / / / __ \/ __ `__ \/ __ \   / /_  / / __ \/ __ `/ __ \/ ___/ _ \
 / / / /_/ / / / / / / /_/ /  / __/ / / / / / /_/ / / / / /__/  __/
/_/  \____/_/ /_/ /_/_.___/  /_/   /_/_/ /_/\__,_/_/ /_/\___/\___/

    http://tomb.finance
*/
contract Masonry is ShareWrapper, ContractGuard {
    using SafeERC20 for IERC20;
    using Address for address;
    using SafeMath for uint256;

    /* ========== DATA STRUCTURES ========== */

    struct Masonseat {
        uint256 lastSnapshotIndex;
        uint256 rewardEarned;
        uint256 epochTimerStart;
    }

    struct MasonrySnapshot {
        uint256 time;
        uint256 rewardReceived;
        uint256 rewardPerShare;
    }

    /* ========== STATE VARIABLES ========== */

    // governance
    address public operator;

    // flags
    bool public initialized = false;

    IERC20 public tomb;
    ITreasury public treasury;

    mapping(address => Masonseat) public masons;
    MasonrySnapshot[] public masonryHistory;

    uint256 public withdrawLockupEpochs;
    uint256 public rewardLockupEpochs;

    /* ========== EVENTS ========== */

    event Initialized(address indexed executor, uint256 at);
    event Staked(address indexed user, uint256 amount);
    event Withdrawn(address indexed user, uint256 amount);
    event RewardPaid(address indexed user, uint256 reward);
    event RewardAdded(address indexed user, uint256 reward);

    /* ========== Modifiers =============== */

    modifier onlyOperator() {
        require(operator == msg.sender, "Masonry: caller is not the operator");
        _;
    }

    modifier masonExists {
        require(balanceOf(msg.sender) > 0, "Masonry: The mason does not exist");
        _;
    }

    modifier updateReward(address mason) {
        if (mason != address(0)) {
            Masonseat memory seat = masons[mason];
            seat.rewardEarned = earned(mason);
            seat.lastSnapshotIndex = latestSnapshotIndex();
            masons[mason] = seat;
        }
        _;
    }

    modifier notInitialized {
        require(!initialized, "Masonry: already initialized");
        _;
    }

    /* ========== GOVERNANCE ========== */

    function initialize(
        IERC20 _tomb,
        IERC20 _share,
        ITreasury _treasury
    ) public notInitialized {
        tomb = _tomb;
        share = _share;
        treasury = _treasury;

        MasonrySnapshot memory genesisSnapshot = MasonrySnapshot({time : block.number, rewardReceived : 0, rewardPerShare : 0});
        masonryHistory.push(genesisSnapshot);

        withdrawLockupEpochs = 6; // Lock for 6 epochs (36h) before release withdraw
        rewardLockupEpochs = 3; // Lock for 3 epochs (18h) before release claimReward

        initialized = true;
        operator = msg.sender;
        emit Initialized(msg.sender, block.number);
    }

    function setOperator(address _operator) external onlyOperator {
        operator = _operator;
    }

    function setLockUp(uint256 _withdrawLockupEpochs, uint256 _rewardLockupEpochs) external onlyOperator {
        require(_withdrawLockupEpochs >= _rewardLockupEpochs && _withdrawLockupEpochs <= 56, "_withdrawLockupEpochs: out of range"); // <= 2 week
        withdrawLockupEpochs = _withdrawLockupEpochs;
        rewardLockupEpochs = _rewardLockupEpochs;
    }

    /* ========== VIEW FUNCTIONS ========== */

    // =========== Snapshot getters

    function latestSnapshotIndex() public view returns (uint256) {
        return masonryHistory.length.sub(1);
    }

    function getLatestSnapshot() internal view returns (MasonrySnapshot memory) {
        return masonryHistory[latestSnapshotIndex()];
    }

    function getLastSnapshotIndexOf(address mason) public view returns (uint256) {
        return masons[mason].lastSnapshotIndex;
    }

    function getLastSnapshotOf(address mason) internal view returns (MasonrySnapshot memory) {
        return masonryHistory[getLastSnapshotIndexOf(mason)];
    }

    function canWithdraw(address mason) external view returns (bool) {
        return masons[mason].epochTimerStart.add(withdrawLockupEpochs) <= treasury.epoch();
    }

    function canClaimReward(address mason) external view returns (bool) {
        return masons[mason].epochTimerStart.add(rewardLockupEpochs) <= treasury.epoch();
    }

    function epoch() external view returns (uint256) {
        return treasury.epoch();
    }

    function nextEpochPoint() external view returns (uint256) {
        return treasury.nextEpochPoint();
    }

    function getTombPrice() external view returns (uint256) {
        return treasury.getTombPrice();
    }

    // =========== Mason getters

    function rewardPerShare() public view returns (uint256) {
        return getLatestSnapshot().rewardPerShare;
    }

    function earned(address mason) public view returns (uint256) {
        uint256 latestRPS = getLatestSnapshot().rewardPerShare;
        uint256 storedRPS = getLastSnapshotOf(mason).rewardPerShare;

        return balanceOf(mason).mul(latestRPS.sub(storedRPS)).div(1e18).add(masons[mason].rewardEarned);
    }

    /* ========== MUTATIVE FUNCTIONS ========== */

    function stake(uint256 amount) public override onlyOneBlock updateReward(msg.sender) {
        require(amount > 0, "Masonry: Cannot stake 0");
        super.stake(amount);
        masons[msg.sender].epochTimerStart = treasury.epoch(); // reset timer
        emit Staked(msg.sender, amount);
    }

    function withdraw(uint256 amount) public override onlyOneBlock masonExists updateReward(msg.sender) {
        require(amount > 0, "Masonry: Cannot withdraw 0");
        require(masons[msg.sender].epochTimerStart.add(withdrawLockupEpochs) <= treasury.epoch(), "Masonry: still in withdraw lockup");
        claimReward();
        super.withdraw(amount);
        emit Withdrawn(msg.sender, amount);
    }

    function exit() external {
        withdraw(balanceOf(msg.sender));
    }

    function claimReward() public updateReward(msg.sender) {
        uint256 reward = masons[msg.sender].rewardEarned;
        if (reward > 0) {
            require(masons[msg.sender].epochTimerStart.add(rewardLockupEpochs) <= treasury.epoch(), "Masonry: still in reward lockup");
            masons[msg.sender].epochTimerStart = treasury.epoch(); // reset timer
            masons[msg.sender].rewardEarned = 0;
            tomb.safeTransfer(msg.sender, reward);
            emit RewardPaid(msg.sender, reward);
        }
    }

    function allocateSeigniorage(uint256 amount) external onlyOneBlock onlyOperator {
        require(amount > 0, "Masonry: Cannot allocate 0");
        require(totalSupply() > 0, "Masonry: Cannot allocate when totalSupply is 0");

        // Create & add new snapshot
        uint256 prevRPS = getLatestSnapshot().rewardPerShare;
        uint256 nextRPS = prevRPS.add(amount.mul(1e18).div(totalSupply()));

        MasonrySnapshot memory newSnapshot = MasonrySnapshot({
            time: block.number,
            rewardReceived: amount,
            rewardPerShare: nextRPS
        });
        masonryHistory.push(newSnapshot);

        tomb.safeTransferFrom(msg.sender, address(this), amount);
        emit RewardAdded(msg.sender, amount);
    }

    function governanceRecoverUnsupported(IERC20 _token, uint256 _amount, address _to) external onlyOperator {
        // do not allow to drain core tokens
        require(address(_token) != address(tomb), "tomb");
        require(address(_token) != address(share), "share");
        _token.safeTransfer(_to, _amount);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, 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 (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @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) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @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) {
        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, reverting 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) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting 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) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * 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);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * 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);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * 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;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @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);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.sol";
import "../../utils/Address.sol";

/**
 * @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");
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (bool success, ) = recipient.call{ value: amount }("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        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);
            }
        }
    }
}

pragma solidity ^0.6.0;

interface IBasisAsset {
    function mint(address recipient, uint256 amount) external returns (bool);

    function burn(uint256 amount) external;

    function burnFrom(address from, uint256 amount) external;

    function isOperator() external returns (bool);

    function operator() external view returns (address);

    function transferOperator(address newOperator_) external;
}

// SPDX-License-Identifier: MIT

pragma solidity 0.6.12;

interface ITreasury {
    function epoch() external view returns (uint256);

    function nextEpochPoint() external view returns (uint256);

    function getTombPrice() external view returns (uint256);

    function buyBonds(uint256 amount, uint256 targetPrice) external;

    function redeemBonds(uint256 amount, uint256 targetPrice) external;
}

pragma solidity 0.6.12;

contract ContractGuard {
    mapping(uint256 => mapping(address => bool)) private _status;

    function checkSameOriginReentranted() internal view returns (bool) {
        return _status[block.number][tx.origin];
    }

    function checkSameSenderReentranted() internal view returns (bool) {
        return _status[block.number][msg.sender];
    }

    modifier onlyOneBlock() {
        require(!checkSameOriginReentranted(), "ContractGuard: one block, one function");
        require(!checkSameSenderReentranted(), "ContractGuard: one block, one function");

        _;

        _status[block.number][tx.origin] = true;
        _status[block.number][msg.sender] = true;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"executor","type":"address"},{"indexed":false,"internalType":"uint256","name":"at","type":"uint256"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"allocateSeigniorage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"mason","type":"address"}],"name":"canClaimReward","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"mason","type":"address"}],"name":"canWithdraw","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"mason","type":"address"}],"name":"earned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"epoch","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"exit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"mason","type":"address"}],"name":"getLastSnapshotIndexOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTombPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"address","name":"_to","type":"address"}],"name":"governanceRecoverUnsupported","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IERC20","name":"_tomb","type":"address"},{"internalType":"contract IERC20","name":"_share","type":"address"},{"internalType":"contract ITreasury","name":"_treasury","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"initialized","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"latestSnapshotIndex","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"masonryHistory","outputs":[{"internalType":"uint256","name":"time","type":"uint256"},{"internalType":"uint256","name":"rewardReceived","type":"uint256"},{"internalType":"uint256","name":"rewardPerShare","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"masons","outputs":[{"internalType":"uint256","name":"lastSnapshotIndex","type":"uint256"},{"internalType":"uint256","name":"rewardEarned","type":"uint256"},{"internalType":"uint256","name":"epochTimerStart","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextEpochPoint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardLockupEpochs","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPerShare","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_withdrawLockupEpochs","type":"uint256"},{"internalType":"uint256","name":"_rewardLockupEpochs","type":"uint256"}],"name":"setLockUp","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_operator","type":"address"}],"name":"setOperator","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"share","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"tomb","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"treasury","outputs":[{"internalType":"contract ITreasury","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawLockupEpochs","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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

0x608060405234801561001057600080fd5b50600436106101ce5760003560e01c806361d027b311610104578063a8d5fd65116100a2578063c0c53b8b11610071578063c0c53b8b1461044e578063c5967c2614610486578063e0f6dc9e1461048e578063e9fad8ee146104b4576101ce565b8063a8d5fd6514610410578063b3ab15fb14610418578063b88a802f1461043e578063c040f23a14610446576101ce565b80638cd9a27f116100de5780638cd9a27f14610393578063900cf0cf146103ce57806397ffe1d7146103d6578063a694fc3a146103f3576101ce565b806361d027b31461033f57806370a0823114610347578063714b46581461036d576101ce565b80631e85cd65116101715780633f9e3f041161014b5780633f9e3f04146102d5578063446a2ec8146102dd57806354575af4146102e5578063570ca7351461031b576101ce565b80631e85cd651461028b5780632e1a7d4d146102935780632ffaaa09146102b2576101ce565b806309bb4f92116101ad57806309bb4f921461024d578063158ef93e1461025557806318160ddd1461025d57806319262d3014610265576101ce565b80628cc262146101d3578063022ba18d1461020b578063046335d014610213575b600080fd5b6101f9600480360360208110156101e957600080fd5b50356001600160a01b03166104bc565b60408051918252519081900360200190f35b6101f961053d565b6102396004803603602081101561022957600080fd5b50356001600160a01b0316610543565b604080519115158252519081900360200190f35b6101f96105e4565b61023961065a565b6101f961066a565b6102396004803603602081101561027b57600080fd5b50356001600160a01b0316610670565b6101f9610709565b6102b0600480360360208110156102a957600080fd5b503561070f565b005b6102b0600480360360408110156102c857600080fd5b5080359060200135610a29565b6101f9610ac9565b6101f9610adf565b6102b0600480360360608110156102fb57600080fd5b506001600160a01b03813581169160208101359160409091013516610af2565b610323610beb565b604080516001600160a01b039092168252519081900360200190f35b610323610bfa565b6101f96004803603602081101561035d57600080fd5b50356001600160a01b0316610c09565b6101f96004803603602081101561038357600080fd5b50356001600160a01b0316610c24565b6103b0600480360360208110156103a957600080fd5b5035610c3f565b60408051938452602084019290925282820152519081900360600190f35b6101f9610c6f565b6102b0600480360360208110156103ec57600080fd5b5035610cb4565b6102b06004803603602081101561040957600080fd5b5035610f98565b61032361121d565b6102b06004803603602081101561042e57600080fd5b50356001600160a01b031661122c565b6102b0611297565b610323611524565b6102b06004803603606081101561046457600080fd5b506001600160a01b038135811691602081013582169160409091013516611533565b6101f96116e5565b6103b0600480360360208110156104a457600080fd5b50356001600160a01b031661172a565b6102b061174b565b6000806104c761175e565b60400151905060006104d8846117b6565b6040908101516001600160a01b0386166000908152600760205291909120600101549091506105359061052f670de0b6b3a764000061052961051a8787611811565b6105238a610c09565b90611873565b906118d3565b9061193a565b949350505050565b600a5481565b6006546040805163900cf0cf60e01b815290516000926001600160a01b03169163900cf0cf916004808301926020929190829003018186803b15801561058857600080fd5b505afa15801561059c573d6000803e3d6000fd5b505050506040513d60208110156105b257600080fd5b5051600a546001600160a01b0384166000908152600760205260409020600201546105dc9161193a565b111592915050565b600654604080516304dda7c960e11b815290516000926001600160a01b0316916309bb4f92916004808301926020929190829003018186803b15801561062957600080fd5b505afa15801561063d573d6000803e3d6000fd5b505050506040513d602081101561065357600080fd5b5051905090565b600454600160a01b900460ff1681565b60015490565b6006546040805163900cf0cf60e01b815290516000926001600160a01b03169163900cf0cf916004808301926020929190829003018186803b1580156106b557600080fd5b505afa1580156106c9573d6000803e3d6000fd5b505050506040513d60208110156106df57600080fd5b50516009546001600160a01b0384166000908152600760205260409020600201546105dc9161193a565b60095481565b610717611994565b156107535760405162461bcd60e51b8152600401808060200182810382526026815260200180611f496026913960400191505060405180910390fd5b61075b6119b5565b156107975760405162461bcd60e51b8152600401808060200182810382526026815260200180611f496026913960400191505060405180910390fd5b60006107a233610c09565b116107de5760405162461bcd60e51b8152600401808060200182810382526021815260200180611edd6021913960400191505060405180910390fd5b338015610878576107ed611df2565b506001600160a01b0381166000908152600760209081526040918290208251606081018452815481526001820154928101929092526002015491810191909152610836826104bc565b6020820152610843610ac9565b81526001600160a01b038216600090815260076020908152604091829020835181559083015160018201559101516002909101555b600082116108cd576040805162461bcd60e51b815260206004820152601a60248201527f4d61736f6e72793a2043616e6e6f742077697468647261772030000000000000604482015290519081900360640190fd5b600660009054906101000a90046001600160a01b03166001600160a01b031663900cf0cf6040518163ffffffff1660e01b815260040160206040518083038186803b15801561091b57600080fd5b505afa15801561092f573d6000803e3d6000fd5b505050506040513d602081101561094557600080fd5b5051600954336000908152600760205260409020600201546109669161193a565b11156109a35760405162461bcd60e51b8152600401808060200182810382526021815260200180611efe6021913960400191505060405180910390fd5b6109ab611297565b6109b4826119d6565b60408051838152905133917f7084f5476618d8e60b11ef0d7d3f06914655adb8793e28ff7f018d4c76d505d5919081900360200190a250504360009081526003602090815260408083203284529091528082208054600160ff1991821681179092553384529190922080549091169091179055565b6004546001600160a01b03163314610a725760405162461bcd60e51b8152600401808060200182810382526023815260200180611e766023913960400191505060405180910390fd5b808210158015610a83575060388211155b610abe5760405162461bcd60e51b8152600401808060200182810382526023815260200180611eba6023913960400191505060405180910390fd5b600991909155600a55565b600854600090610ada906001611811565b905090565b6000610ae961175e565b60400151905090565b6004546001600160a01b03163314610b3b5760405162461bcd60e51b8152600401808060200182810382526023815260200180611e766023913960400191505060405180910390fd5b6005546001600160a01b0384811691161415610b87576040805162461bcd60e51b815260206004808301919091526024820152633a37b6b160e11b604482015290519081900360640190fd5b6000546001600160a01b0384811691161415610bd2576040805162461bcd60e51b8152602060048201526005602482015264736861726560d81b604482015290519081900360640190fd5b610be66001600160a01b0384168284611a66565b505050565b6004546001600160a01b031681565b6006546001600160a01b031681565b6001600160a01b031660009081526002602052604090205490565b6001600160a01b031660009081526007602052604090205490565b60088181548110610c4c57fe5b600091825260209091206003909102018054600182015460029092015490925083565b6006546040805163900cf0cf60e01b815290516000926001600160a01b03169163900cf0cf916004808301926020929190829003018186803b15801561062957600080fd5b610cbc611994565b15610cf85760405162461bcd60e51b8152600401808060200182810382526026815260200180611f496026913960400191505060405180910390fd5b610d006119b5565b15610d3c5760405162461bcd60e51b8152600401808060200182810382526026815260200180611f496026913960400191505060405180910390fd5b6004546001600160a01b03163314610d855760405162461bcd60e51b8152600401808060200182810382526023815260200180611e766023913960400191505060405180910390fd5b60008111610dda576040805162461bcd60e51b815260206004820152601a60248201527f4d61736f6e72793a2043616e6e6f7420616c6c6f636174652030000000000000604482015290519081900360640190fd5b6000610de461066a565b11610e205760405162461bcd60e51b815260040180806020018281038252602e815260200180611e14602e913960400191505060405180910390fd5b6000610e2a61175e565b6040015190506000610e59610e52610e4061066a565b61052986670de0b6b3a7640000611873565b839061193a565b9050610e63611df2565b5060408051606081018252438152602081018581529181018381526008805460018101825560009190915282517ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee360039092029182015592517ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee4840155517ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee590920191909155600554610f21906001600160a01b0316333087611ab8565b60408051858152905133917fac24935fd910bc682b5ccb1a07b718cadf8cf2f6d1404c4f3ddc3662dae40e29919081900360200190a250504360009081526003602090815260408083203284529091528082208054600160ff19918216811790925533845291909220805490911690911790555050565b610fa0611994565b15610fdc5760405162461bcd60e51b8152600401808060200182810382526026815260200180611f496026913960400191505060405180910390fd5b610fe46119b5565b156110205760405162461bcd60e51b8152600401808060200182810382526026815260200180611f496026913960400191505060405180910390fd5b3380156110ba5761102f611df2565b506001600160a01b0381166000908152600760209081526040918290208251606081018452815481526001820154928101929092526002015491810191909152611078826104bc565b6020820152611085610ac9565b81526001600160a01b038216600090815260076020908152604091829020835181559083015160018201559101516002909101555b6000821161110f576040805162461bcd60e51b815260206004820152601760248201527f4d61736f6e72793a2043616e6e6f74207374616b652030000000000000000000604482015290519081900360640190fd5b61111882611b18565b600660009054906101000a90046001600160a01b03166001600160a01b031663900cf0cf6040518163ffffffff1660e01b815260040160206040518083038186803b15801561116657600080fd5b505afa15801561117a573d6000803e3d6000fd5b505050506040513d602081101561119057600080fd5b505133600081815260076020908152604091829020600201939093558051858152905191927f9e71bc8eea02a63969f509818f2dafb9254532904319f9dbda79b67bd34a5f3d92918290030190a250504360009081526003602090815260408083203284529091528082208054600160ff1991821681179092553384529190922080549091169091179055565b6000546001600160a01b031681565b6004546001600160a01b031633146112755760405162461bcd60e51b8152600401808060200182810382526023815260200180611e766023913960400191505060405180910390fd5b600480546001600160a01b0319166001600160a01b0392909216919091179055565b338015611331576112a6611df2565b506001600160a01b03811660009081526007602090815260409182902082516060810184528154815260018201549281019290925260020154918101919091526112ef826104bc565b60208201526112fc610ac9565b81526001600160a01b038216600090815260076020908152604091829020835181559083015160018201559101516002909101555b33600090815260076020526040902060010154801561152057600660009054906101000a90046001600160a01b03166001600160a01b031663900cf0cf6040518163ffffffff1660e01b815260040160206040518083038186803b15801561139857600080fd5b505afa1580156113ac573d6000803e3d6000fd5b505050506040513d60208110156113c257600080fd5b5051600a54336000908152600760205260409020600201546113e39161193a565b1115611436576040805162461bcd60e51b815260206004820152601f60248201527f4d61736f6e72793a207374696c6c20696e20726577617264206c6f636b757000604482015290519081900360640190fd5b600660009054906101000a90046001600160a01b03166001600160a01b031663900cf0cf6040518163ffffffff1660e01b815260040160206040518083038186803b15801561148457600080fd5b505afa158015611498573d6000803e3d6000fd5b505050506040513d60208110156114ae57600080fd5b505133600081815260076020526040812060028101939093556001909201919091556005546114e9916001600160a01b039091169083611a66565b60408051828152905133917fe2403640ba68fed3a2f88b7557551d1993f84b99bb10ff833f0cf8db0c5e0486919081900360200190a25b5050565b6005546001600160a01b031681565b600454600160a01b900460ff1615611592576040805162461bcd60e51b815260206004820152601c60248201527f4d61736f6e72793a20616c726561647920696e697469616c697a656400000000604482015290519081900360640190fd5b600580546001600160a01b038086166001600160a01b0319928316179092556000805485841690831617905560068054928416929091169190911790556115d7611df2565b50604080516060810182524380825260006020808401828152848601838152600880546001810182559452855160039485027ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee381019190915591517ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee4830155517ff3f7a9fe364faab93b216da50a3214154f22a0a2b415b23a84c8169e8b636ee5909101556006600955600a91909155600480546001600160a01b031960ff60a01b19909116600160a01b171633908117909155845192835293519293927f25ff68dd81b34665b5ba7e553ee5511bf6812e12adb4a7e2c0d9e26b3099ce799281900390910190a250505050565b600654604080516362cb3e1360e11b815290516000926001600160a01b03169163c5967c26916004808301926020929190829003018186803b15801561062957600080fd5b60076020526000908152604090208054600182015460029092015490919083565b61175c61175733610c09565b61070f565b565b611766611df2565b6008611770610ac9565b8154811061177a57fe5b90600052602060002090600302016040518060600160405290816000820154815260200160018201548152602001600282015481525050905090565b6117be611df2565b60086117c983610c24565b815481106117d357fe5b906000526020600020906003020160405180606001604052908160008201548152602001600182015481526020016002820154815250509050919050565b600082821115611868576040805162461bcd60e51b815260206004820152601e60248201527f536166654d6174683a207375627472616374696f6e206f766572666c6f770000604482015290519081900360640190fd5b508082035b92915050565b6000826118825750600061186d565b8282028284828161188f57fe5b04146118cc5760405162461bcd60e51b8152600401808060200182810382526021815260200180611e996021913960400191505060405180910390fd5b9392505050565b6000808211611929576040805162461bcd60e51b815260206004820152601a60248201527f536166654d6174683a206469766973696f6e206279207a65726f000000000000604482015290519081900360640190fd5b81838161193257fe5b049392505050565b6000828201838110156118cc576040805162461bcd60e51b815260206004820152601b60248201527f536166654d6174683a206164646974696f6e206f766572666c6f770000000000604482015290519081900360640190fd5b43600090815260036020908152604080832032845290915290205460ff1690565b43600090815260036020908152604080832033845290915290205460ff1690565b3360009081526002602052604090205481811015611a255760405162461bcd60e51b8152600401808060200182810382526034815260200180611e426034913960400191505060405180910390fd5b600154611a329083611811565b600155611a3f8183611811565b336000818152600260205260408120929092559054611520916001600160a01b0390911690845b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b031663a9059cbb60e01b179052610be6908490611b71565b604080516001600160a01b0380861660248301528416604482015260648082018490528251808303909101815260849091019091526020810180516001600160e01b03166323b872dd60e01b179052611b12908590611b71565b50505050565b600154611b25908261193a565b60015533600090815260026020526040902054611b42908261193a565b336000818152600260205260408120929092559054611b6e916001600160a01b03909116903084611ab8565b50565b6060611bc6826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564815250856001600160a01b0316611c229092919063ffffffff16565b805190915015610be657808060200190516020811015611be557600080fd5b5051610be65760405162461bcd60e51b815260040180806020018281038252602a815260200180611f1f602a913960400191505060405180910390fd5b6060610535848460008585611c3685611d48565b611c87576040805162461bcd60e51b815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e7472616374000000604482015290519081900360640190fd5b60006060866001600160a01b031685876040518082805190602001908083835b60208310611cc65780518252601f199092019160209182019101611ca7565b6001836020036101000a03801982511681845116808217855250505050505090500191505060006040518083038185875af1925050503d8060008114611d28576040519150601f19603f3d011682016040523d82523d6000602084013e611d2d565b606091505b5091509150611d3d828286611d4e565b979650505050505050565b3b151590565b60608315611d5d5750816118cc565b825115611d6d5782518084602001fd5b8160405162461bcd60e51b81526004018080602001828103825283818151815260200191508051906020019080838360005b83811015611db7578181015183820152602001611d9f565b50505050905090810190601f168015611de45780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b6040518060600160405280600081526020016000815260200160008152509056fe4d61736f6e72793a2043616e6e6f7420616c6c6f63617465207768656e20746f74616c537570706c7920697320304d61736f6e72793a20776974686472617720726571756573742067726561746572207468616e207374616b656420616d6f756e744d61736f6e72793a2063616c6c6572206973206e6f7420746865206f70657261746f72536166654d6174683a206d756c7469706c69636174696f6e206f766572666c6f775f77697468647261774c6f636b757045706f6368733a206f7574206f662072616e67654d61736f6e72793a20546865206d61736f6e20646f6573206e6f742065786973744d61736f6e72793a207374696c6c20696e207769746864726177206c6f636b75705361666545524332303a204552433230206f7065726174696f6e20646964206e6f742073756363656564436f6e747261637447756172643a206f6e6520626c6f636b2c206f6e652066756e6374696f6ea264697066735822122061581aea52ab630e2464c33c5d732f50f5aa611bd9321e3bfea7ba3f2515598e64736f6c634300060c0033