Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT

pragma solidity 0.8.4;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";

// StakingPoolV3
// - Fixed total, reward per second
// - Dynamic APY based on pool size
// - Multiple deposit packages with separate locking time
contract StakingPoolV3Flat is Ownable, ReentrancyGuard {
  using SafeERC20 for IERC20;

  struct UserInfo {
    bool isAdded;
    address addr;
    uint256 totalAmount;
    uint256 nextDepositId;
  }

  struct DepositInfo {
    uint256 amount;
    uint256 lockFrom;
    uint256 lockTo;
    uint256 rewardDebt;
    uint256 rewardPending;
  }

  // The precision factor. Should be 1e12 to avoid overflow.
  uint256 private constant _PRECISION_FACTOR = 1e12;

  IERC20 public rewardToken;
  IERC20 public stakedToken;

  // Info of each user that stakes tokens (stakedToken)
  mapping(address => UserInfo) public userInfos;
  // User list
  address[] public userList;

  // depositInfos[user][depositId] = DepositInfo
  mapping(address => mapping(uint256 => DepositInfo)) public depositInfos;

  // Reward tokens created per second.
  uint256 public rewardPerSecond;
  // The time when Pool mining starts.
  uint256 public startTime;
  // The time when Pool mining ends.
  uint256 public endTime;

  // The time of the last pool update
  uint256 public lastRewardTime;
  // Accumulated token per share
  uint256 public accTokenPerShare;

  // Total staking tokens
  uint256 public totalStakingTokens;
  // Total reward tokens
  uint256 public totalRewardTokens;

  // Freeze start time
  uint256 public freezeStartTime;
  // Freeze end time
  uint256 public freezeEndTime;

  // The pool limit (0 if none)
  uint256 public poolLimitPerUser;
  // Minimum deposit amount
  uint256 public minDepositAmount;

  // The locking duration for each deposit package
  uint256 public lockDuration;

  // delegators[staker][delegate] = status
  mapping(address => mapping(address => bool)) public delegators;

  event EDeposit(address indexed user, uint256 amount, uint256 depositId);
  event EWithdraw(address indexed user, uint256 amount, uint256 depositId);
  event EAddRewardTokens(address indexed user, uint256 amount);

  constructor(
    IERC20 _stakedToken,
    IERC20 _rewardToken,
    uint256 _rewardPerSecond,
    uint256 _startTime,
    uint256 _endTime,
    uint256 _lockDuration
  ) {
    stakedToken = _stakedToken;
    rewardToken = _rewardToken;
    rewardPerSecond = _rewardPerSecond;
    startTime = _startTime;
    endTime = _endTime;
    lockDuration = _lockDuration;
    lastRewardTime = startTime;
  }

  /*
   * @notice isFrozen is true => user cannot call deposit, withdraw function
   */
  function isFrozen() public view returns (bool) {
    return block.timestamp >= freezeStartTime && block.timestamp <= freezeEndTime;
  }

  /*
   * @notice View function to see pending reward on frontend.
   * @param _user: user address
   * @param _depositId: deposit id
   * @return Pending reward for a given user and depositId
   */
  function pendingReward(address _user, uint256 _depositId) external view returns (uint256) {
    DepositInfo storage deposit = depositInfos[_user][_depositId];
    if (block.timestamp > lastRewardTime && totalStakingTokens != 0) {
      uint256 multiplier = _getMultiplier(lastRewardTime, block.timestamp);
      uint256 tokenReward = multiplier * rewardPerSecond;
      uint256 adjustedTokenPerShare = accTokenPerShare + ((tokenReward * _PRECISION_FACTOR) / totalStakingTokens);
      return
        deposit.rewardPending + (((deposit.amount * adjustedTokenPerShare) / _PRECISION_FACTOR) - deposit.rewardDebt);
    } else {
      return deposit.rewardPending + (((deposit.amount * accTokenPerShare) / _PRECISION_FACTOR) - deposit.rewardDebt);
    }
  }

  /*
   * @notice Length of users
   */
  function getUserListLength() external view returns (uint) {
    return userList.length;
  }

  /*
   * @notice View function to get users.
   * @param _offset: offset for paging
   * @param _limit: limit for paging
   * @return get users, next offset and total users
   */
  function getUsersPaging(
    uint _offset,
    uint _limit
  ) external view returns (UserInfo[] memory users, uint nextOffset, uint total) {
    uint totalUsers = userList.length;
    if (_limit == 0) {
      _limit = 1;
    }

    if (_limit > totalUsers - _offset) {
      _limit = totalUsers - _offset;
    }

    UserInfo[] memory values = new UserInfo[](_limit);
    for (uint i = 0; i < _limit; i++) {
      values[i] = userInfos[userList[_offset + i]];
    }

    return (values, _offset + _limit, totalUsers);
  }

  /*
   * @notice Deposit staked tokens and collect reward tokens (if any)
   * @param _amount: amount to withdraw (in rewardToken)
   */
  function depositTokens(uint256 _amount) external nonReentrant {
    require(block.timestamp >= startTime && block.timestamp <= endTime, "Invalid time");
    require(!isFrozen(), "Deposit is frozen");
    require(_amount > 0, "Invalid amount");
    address sender_ = _msgSender();

    UserInfo storage user = userInfos[sender_];
    require(_amount + user.totalAmount >= minDepositAmount, "User amount below minimum");
    if (poolLimitPerUser > 0) {
      require(_amount + user.totalAmount <= poolLimitPerUser, "User amount above limit");
    }

    _updatePool();

    if (!user.isAdded) {
      user.isAdded = true;
      user.addr = sender_;
      userList.push(sender_);
    }

    DepositInfo storage deposit = depositInfos[sender_][user.nextDepositId++];
    if (deposit.amount > 0) {
      deposit.rewardPending += ((deposit.amount * accTokenPerShare) / _PRECISION_FACTOR) - deposit.rewardDebt;
    }

    // Check real amount to avoid taxed token
    uint256 previousBalance_ = stakedToken.balanceOf(address(this));
    stakedToken.safeTransferFrom(sender_, address(this), _amount);
    uint256 newBalance_ = stakedToken.balanceOf(address(this));
    uint256 addedAmount_ = newBalance_ - previousBalance_;

    user.totalAmount += addedAmount_;
    totalStakingTokens += addedAmount_;

    deposit.amount += addedAmount_;
    deposit.lockFrom = block.timestamp;
    deposit.lockTo = block.timestamp + lockDuration;
    deposit.rewardDebt = (deposit.amount * accTokenPerShare) / _PRECISION_FACTOR;

    emit EDeposit(sender_, addedAmount_, user.nextDepositId - 1);
  }

  /*
   * @notice Withdraw staked tokens and collect reward tokens
   */
  function withdrawTokens(address _staker, uint256 _amount, uint256 _depositId) external nonReentrant {
    require(!isFrozen(), "Withdraw is frozen");
    require(_amount > 0, "Invalid amount");
    address trigger_ = _msgSender();

    if (trigger_ != _staker) {
      require(delegators[_staker][trigger_], "Invalid user");
    }

    DepositInfo storage deposit = depositInfos[_staker][_depositId];
    require(deposit.amount >= _amount, "Amount to withdraw too high");
    require(block.timestamp >= deposit.lockTo, "Invalid time to withdraw");

    _updatePool();

    deposit.rewardPending += ((deposit.amount * accTokenPerShare) / _PRECISION_FACTOR) - deposit.rewardDebt;
    uint256 pending = deposit.rewardPending;
    if (pending > 0) {
      deposit.rewardPending = 0;
      _safeRewardTransfer(trigger_, pending);
    }

    UserInfo storage user = userInfos[_staker];
    user.totalAmount -= _amount;
    totalStakingTokens -= _amount;

    deposit.amount -= _amount;
    stakedToken.safeTransfer(trigger_, _amount);
    deposit.rewardDebt = (deposit.amount * accTokenPerShare) / _PRECISION_FACTOR;

    emit EWithdraw(_staker, _amount, _depositId);
  }

  /*
   * @dev Set delegator
   */
  function setDelegators(address _delegator, bool _status) external nonReentrant {
    delegators[_msgSender()][_delegator] = _status;
  }

  /*
   * @dev Update lock duration
   */
  function setLockDuration(uint256 _duration) external onlyOwner {
    lockDuration = _duration;
  }

  /**
   * @notice It allows the admin to add reward tokens
   * @param _amount: amount of tokens
   * @dev This function is only callable by admin.
   */
  function addRewardTokens(uint256 _amount) external onlyOwner {
    // Check real amount to avoid taxed token
    uint256 previousBalance_ = rewardToken.balanceOf(address(this));
    rewardToken.safeTransferFrom(msg.sender, address(this), _amount);
    uint256 newBalance_ = rewardToken.balanceOf(address(this));
    uint256 addedAmount_ = newBalance_ - previousBalance_;

    totalRewardTokens += addedAmount_;
    emit EAddRewardTokens(msg.sender, addedAmount_);
  }

  /**
   * @notice It allows the admin to correct reward tokens
   */
  function correctRewardTokens(uint256 _amount) external onlyOwner {
    totalRewardTokens = _amount;
  }

  /**
   * @notice It allows the admin to recover wrong tokens sent to the contract
   * @param _tokenAddress: the address of the token to withdraw
   * @param _tokenAmount: the number of tokens to withdraw
   * @dev This function is only callable by admin.
   */
  function recoverWrongTokens(address _tokenAddress, uint256 _tokenAmount) external onlyOwner {
    require(_tokenAddress != address(stakedToken), "Cannot be staked token");
    require(_tokenAddress != address(rewardToken), "Cannot be reward token");

    IERC20(_tokenAddress).safeTransfer(msg.sender, _tokenAmount);
  }

  /*
   * @notice Stop rewards
   * @dev Only callable by owner
   */
  function stopReward() external onlyOwner {
    endTime = block.timestamp;
  }

  /*
   * @notice Stop Freeze
   * @dev Only callable by owner
   */
  function stopFreeze() external onlyOwner {
    freezeStartTime = 0;
    freezeEndTime = 0;
  }

  /*
   * @notice Update reward per second
   * @dev Only callable by owner.
   * @param _rewardPerSecond: the reward per second
   */
  function setRewardPerSecond(uint256 _rewardPerSecond) external onlyOwner {
    _updatePool();
    rewardPerSecond = _rewardPerSecond;
  }

  /**
   * @notice It allows the admin to update start and end time
   * @dev This function is only callable by owner.
   * @param _startTime: the new start time
   * @param _endTime: the new end time
   */
  function setStartAndEndTimes(uint256 _startTime, uint256 _endTime) external onlyOwner {
    require(block.timestamp > endTime, "Pool has started");
    require(_startTime < _endTime, "Invalid start and end block");
    endTime = _endTime;

    if (_startTime > block.timestamp) {
      startTime = _startTime;
      // Set the lastRewardTime as the startTime
      lastRewardTime = startTime;
    }
  }

  /**
   * @notice It allows the admin to update freeze start and end time
   * @dev This function is only callable by owner.
   * @param _freezeStartTime: the new freeze start time
   * @param _freezeEndTime: the new freeze end time
   */
  function setFreezaTimes(uint256 _freezeStartTime, uint256 _freezeEndTime) external onlyOwner {
    require(_freezeStartTime < _freezeEndTime, "Invalid start and end time");
    require(block.timestamp < _freezeStartTime, "Invalid start and current");

    freezeStartTime = _freezeStartTime;
    freezeEndTime = _freezeEndTime;
  }

  /*
   * @notice Update pool limit per user
   * @dev Only callable by owner.
   * @param _poolLimitPerUser: new pool limit per user
   */
  function setPoolLimitPerUser(uint256 _poolLimitPerUser) external onlyOwner {
    poolLimitPerUser = _poolLimitPerUser;
  }

  /**
   * @notice Update minimum deposit amount
   * @dev This function is only callable by owner.
   * @param _minDepositAmount: the new minimum deposit amount
   */
  function setMinDepositAmount(uint256 _minDepositAmount) external onlyOwner {
    minDepositAmount = _minDepositAmount;
  }

  /*
   * @notice Stop rewards
   * @dev Only callable by owner. Needs to be for emergency.
   */
  function safeWithdrawReward(uint256 _amount) external onlyOwner {
    totalRewardTokens -= _amount;
    rewardToken.safeTransfer(msg.sender, _amount);
  }

  /**
   * @dev Emergency case withdraw tokens
   * @param _token token address
   * @param _to destination address
   * @param _amount token amount
   */
  function emergencyWithdrawTokens(address _token, address _to, uint256 _amount) external onlyOwner {
    IERC20(_token).safeTransfer(_to, _amount);
  }

  /*
   * @notice Update reward variables of the given pool to be up-to-date.
   */
  function _updatePool() private {
    if (block.timestamp <= lastRewardTime) {
      return;
    }

    if (totalStakingTokens == 0) {
      lastRewardTime = block.timestamp;
      return;
    }

    uint256 multiplier = _getMultiplier(lastRewardTime, block.timestamp);
    uint256 tokenReward = multiplier * rewardPerSecond;
    accTokenPerShare += (tokenReward * _PRECISION_FACTOR) / totalStakingTokens;
    lastRewardTime = block.timestamp;
  }

  /*
   * @notice Return reward multiplier over the given _from to _to time.
   * @param _from: time to start
   * @param _to: time to finish
   */
  function _getMultiplier(uint256 _from, uint256 _to) private view returns (uint256) {
    if (_to <= endTime) {
      return _to - _from;
    } else if (_from >= endTime) {
      return 0;
    } else {
      return endTime - _from;
    }
  }

  /*
   * @notice Transfer reward tokens.
   * @param _to: address where tokens will transfer
   * @param _amount: amount of tokens
   */
  function _safeRewardTransfer(address _to, uint256 _amount) private {
    uint256 rewardTokenBal = totalRewardTokens;
    if (_amount > rewardTokenBal) {
      totalRewardTokens -= rewardTokenBal;
      rewardToken.safeTransfer(_to, rewardTokenBal);
    } else {
      totalRewardTokens -= _amount;
      rewardToken.safeTransfer(_to, _amount);
    }
  }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @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.
 */
abstract 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() {
        _setOwner(_msgSender());
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual 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 {
        _setOwner(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");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^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 ^0.8.0;

import "../IERC20.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 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'
        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) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _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
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^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;
        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");

        (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");

        (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");

        (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");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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 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) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IERC20","name":"_stakedToken","type":"address"},{"internalType":"contract IERC20","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_rewardPerSecond","type":"uint256"},{"internalType":"uint256","name":"_startTime","type":"uint256"},{"internalType":"uint256","name":"_endTime","type":"uint256"},{"internalType":"uint256","name":"_lockDuration","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"EAddRewardTokens","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"depositId","type":"uint256"}],"name":"EDeposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"depositId","type":"uint256"}],"name":"EWithdraw","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"},{"inputs":[],"name":"accTokenPerShare","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"addRewardTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"correctRewardTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"delegators","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"depositInfos","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"lockFrom","type":"uint256"},{"internalType":"uint256","name":"lockTo","type":"uint256"},{"internalType":"uint256","name":"rewardDebt","type":"uint256"},{"internalType":"uint256","name":"rewardPending","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"depositTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_to","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"emergencyWithdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"endTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"freezeEndTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"freezeStartTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getUserListLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_offset","type":"uint256"},{"internalType":"uint256","name":"_limit","type":"uint256"}],"name":"getUsersPaging","outputs":[{"components":[{"internalType":"bool","name":"isAdded","type":"bool"},{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"totalAmount","type":"uint256"},{"internalType":"uint256","name":"nextDepositId","type":"uint256"}],"internalType":"struct StakingPoolV3Flat.UserInfo[]","name":"users","type":"tuple[]"},{"internalType":"uint256","name":"nextOffset","type":"uint256"},{"internalType":"uint256","name":"total","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isFrozen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastRewardTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lockDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"minDepositAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"uint256","name":"_depositId","type":"uint256"}],"name":"pendingReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"poolLimitPerUser","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_tokenAddress","type":"address"},{"internalType":"uint256","name":"_tokenAmount","type":"uint256"}],"name":"recoverWrongTokens","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardPerSecond","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"safeWithdrawReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_delegator","type":"address"},{"internalType":"bool","name":"_status","type":"bool"}],"name":"setDelegators","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_freezeStartTime","type":"uint256"},{"internalType":"uint256","name":"_freezeEndTime","type":"uint256"}],"name":"setFreezaTimes","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_duration","type":"uint256"}],"name":"setLockDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_minDepositAmount","type":"uint256"}],"name":"setMinDepositAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_poolLimitPerUser","type":"uint256"}],"name":"setPoolLimitPerUser","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_rewardPerSecond","type":"uint256"}],"name":"setRewardPerSecond","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_startTime","type":"uint256"},{"internalType":"uint256","name":"_endTime","type":"uint256"}],"name":"setStartAndEndTimes","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakedToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"startTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stopFreeze","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stopReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalRewardTokens","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalStakingTokens","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":"","type":"address"}],"name":"userInfos","outputs":[{"internalType":"bool","name":"isAdded","type":"bool"},{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint256","name":"totalAmount","type":"uint256"},{"internalType":"uint256","name":"nextDepositId","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"userList","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_staker","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_depositId","type":"uint256"}],"name":"withdrawTokens","outputs":[],"stateMutability":"nonpayable","type":"function"}]

0x608060405234801561001057600080fd5b50600436106102535760003560e01c8063715018a6116101465780639f34a156116100c3578063cc7a262e11610087578063cc7a262e14610559578063dd49756e1461056c578063f2fde38b1461057f578063f430cf0d14610592578063f7c618c1146105a5578063fd6eafc6146105b857600080fd5b80639f34a156146104f35780639f4216e8146104fc578063a2526bd31461050f578063ae2754c91461053d578063becfed341461055057600080fd5b80638da5cb5b1161010a5780638da5cb5b146104915780638f10369a146104b65780638f662915146104bf5780639231cf74146104c85780639a6b97ca146104d157600080fd5b8063715018a61461045d578063752d4b521461046557806378e979251461047857806380dc0672146104815780638820690b1461048957600080fd5b80633f138d4b116101d457806358eb97001161019857806358eb970014610412578063645006ca1461042557806366da58151461042e57806366fe9f8a1461044157806368242c541461044a57600080fd5b80633f138d4b146102fd57806343b0215f146103105780634c1d1fde1461037c5780634eb665af1461038f578063566a07a0146103a257600080fd5b8063225b01641161021b578063225b0164146102a3578063296b5fb2146102b65780632a80cda3146102c95780633197cbb6146102dc57806333eeb147146102e557600080fd5b8063045544431461025857806305fe2fc1146102745780630e80f0b31461027c5780631b0875a6146102915780631cfd0afc1461029a575b600080fd5b61026160125481565b6040519081526020015b60405180910390f35b600554610261565b61028f61028a366004611d21565b6105cb565b005b610261600d5481565b610261600c5481565b61028f6102b1366004611d5c565b610617565b61028f6102c4366004611e09565b61067b565b61028f6102d7366004611e09565b6106aa565b61026160095481565b6102ed6106d9565b604051901515815260200161026b565b61028f61030b366004611d92565b6106f4565b61035261031e366004611cd5565b60046020526000908152604090208054600182015460029092015460ff8216926101009092046001600160a01b0316919084565b6040805194151585526001600160a01b03909316602085015291830152606082015260800161026b565b61028f61038a366004611dbb565b6107e4565b61028f61039d366004611e09565b610b2f565b6103ea6103b0366004611d92565b6006602090815260009283526040808420909152908252902080546001820154600283015460038401546004909401549293919290919085565b604080519586526020860194909452928401919091526060830152608082015260a00161026b565b61028f610420366004611e09565b610b5e565b61026160115481565b61028f61043c366004611e09565b610cfd565b61026160105481565b61028f610458366004611e09565b610d34565b61028f610d63565b61028f610473366004611e09565b610d99565b61026160085481565b61028f610df4565b61028f610e24565b6000546001600160a01b03165b6040516001600160a01b03909116815260200161026b565b61026160075481565b610261600b5481565b610261600a5481565b6104e46104df366004611e39565b610e5a565b60405161026b93929190611e76565b610261600e5481565b61049e61050a366004611e09565b611000565b6102ed61051d366004611cef565b601360209081526000928352604080842090915290825290205460ff1681565b61028f61054b366004611e39565b61102a565b610261600f5481565b60035461049e906001600160a01b031681565b61028f61057a366004611e09565b6110ff565b61028f61058d366004611cd5565b6115df565b6102616105a0366004611d92565b611677565b60025461049e906001600160a01b031681565b61028f6105c6366004611e39565b611792565b6000546001600160a01b031633146105fe5760405162461bcd60e51b81526004016105f590611f25565b60405180910390fd5b6106126001600160a01b0384168383611865565b505050565b6002600154141561063a5760405162461bcd60e51b81526004016105f590611f5a565b600260019081553360009081526013602090815260408083206001600160a01b0396909616835294905292909220805460ff19169115159190911790558055565b6000546001600160a01b031633146106a55760405162461bcd60e51b81526004016105f590611f25565b601055565b6000546001600160a01b031633146106d45760405162461bcd60e51b81526004016105f590611f25565b601155565b6000600e5442101580156106ef5750600f544211155b905090565b6000546001600160a01b0316331461071e5760405162461bcd60e51b81526004016105f590611f25565b6003546001600160a01b03838116911614156107755760405162461bcd60e51b815260206004820152601660248201527521b0b73737ba1031329039ba30b5b2b2103a37b5b2b760511b60448201526064016105f5565b6002546001600160a01b03838116911614156107cc5760405162461bcd60e51b815260206004820152601660248201527521b0b73737ba103132903932bbb0b932103a37b5b2b760511b60448201526064016105f5565b6107e06001600160a01b0383163383611865565b5050565b600260015414156108075760405162461bcd60e51b81526004016105f590611f5a565b60026001556108146106d9565b156108565760405162461bcd60e51b81526020600482015260126024820152712bb4ba34323930bb9034b990333937bd32b760711b60448201526064016105f5565b600082116108975760405162461bcd60e51b815260206004820152600e60248201526d125b9d985b1a5908185b5bdd5b9d60921b60448201526064016105f5565b336001600160a01b038416811461090c576001600160a01b0380851660009081526013602090815260408083209385168352929052205460ff1661090c5760405162461bcd60e51b815260206004820152600c60248201526b24b73b30b634b2103ab9b2b960a11b60448201526064016105f5565b6001600160a01b0384166000908152600660209081526040808320858452909152902080548411156109805760405162461bcd60e51b815260206004820152601b60248201527f416d6f756e7420746f20776974686472617720746f6f2068696768000000000060448201526064016105f5565b80600201544210156109d45760405162461bcd60e51b815260206004820152601860248201527f496e76616c69642074696d6520746f207769746864726177000000000000000060448201526064016105f5565b6109dc6118c8565b6003810154600b54825464e8d4a51000916109f691611fc9565b610a009190611fa9565b610a0a9190611fe8565b816004016000828254610a1d9190611f91565b909155505060048101548015610a3e5760006004830155610a3e838261193d565b6001600160a01b038616600090815260046020526040812060018101805491928892610a6b908490611fe8565b9250508190555085600c6000828254610a849190611fe8565b9091555050825486908490600090610a9d908490611fe8565b9091555050600354610ab9906001600160a01b03168588611865565b600b54835464e8d4a5100091610ace91611fc9565b610ad89190611fa9565b600384015560408051878152602081018790526001600160a01b038916917f1b8561452fa74e924595acdd3ac89d0ff57594a6d1efbd052b58e68dfa9c85d491015b60405180910390a25050600180555050505050565b6000546001600160a01b03163314610b595760405162461bcd60e51b81526004016105f590611f25565b601255565b6000546001600160a01b03163314610b885760405162461bcd60e51b81526004016105f590611f25565b6002546040516370a0823160e01b81523060048201526000916001600160a01b0316906370a082319060240160206040518083038186803b158015610bcc57600080fd5b505afa158015610be0573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610c049190611e21565b600254909150610c1f906001600160a01b03163330856119a4565b6002546040516370a0823160e01b81523060048201526000916001600160a01b0316906370a082319060240160206040518083038186803b158015610c6357600080fd5b505afa158015610c77573d6000803e3d6000fd5b505050506040513d601f19601f82011682018060405250810190610c9b9190611e21565b90506000610ca98383611fe8565b905080600d6000828254610cbd9190611f91565b909155505060405181815233907f37414b6644573d66661110cff1d33d8900af93bd5bbcb26a8f96a4f0d145cbea9060200160405180910390a250505050565b6000546001600160a01b03163314610d275760405162461bcd60e51b81526004016105f590611f25565b610d2f6118c8565b600755565b6000546001600160a01b03163314610d5e5760405162461bcd60e51b81526004016105f590611f25565b600d55565b6000546001600160a01b03163314610d8d5760405162461bcd60e51b81526004016105f590611f25565b610d9760006119e2565b565b6000546001600160a01b03163314610dc35760405162461bcd60e51b81526004016105f590611f25565b80600d6000828254610dd59190611fe8565b9091555050600254610df1906001600160a01b03163383611865565b50565b6000546001600160a01b03163314610e1e5760405162461bcd60e51b81526004016105f590611f25565b42600955565b6000546001600160a01b03163314610e4e5760405162461bcd60e51b81526004016105f590611f25565b6000600e819055600f55565b600554606090600090819084610e6f57600194505b610e798682611fe8565b851115610e8d57610e8a8682611fe8565b94505b60008567ffffffffffffffff811115610eb657634e487b7160e01b600052604160045260246000fd5b604051908082528060200260200182016040528015610f0857816020015b604080516080810182526000808252602080830182905292820181905260608201528252600019909201910181610ed45790505b50905060005b86811015610fe457600460006005610f26848c611f91565b81548110610f4457634e487b7160e01b600052603260045260246000fd5b60009182526020808320909101546001600160a01b0390811684528382019490945260409283019091208251608081018452815460ff8116151582526101009004909416918401919091526001810154918301919091526002015460608201528251839083908110610fc657634e487b7160e01b600052603260045260246000fd5b60200260200101819052508080610fdc9061202b565b915050610f0e565b5080610ff08789611f91565b8394509450945050509250925092565b6005818154811061101057600080fd5b6000918252602090912001546001600160a01b0316905081565b6000546001600160a01b031633146110545760405162461bcd60e51b81526004016105f590611f25565b60095442116110985760405162461bcd60e51b815260206004820152601060248201526f141bdbdb081a185cc81cdd185c9d195960821b60448201526064016105f5565b8082106110e75760405162461bcd60e51b815260206004820152601b60248201527f496e76616c696420737461727420616e6420656e6420626c6f636b000000000060448201526064016105f5565b6009819055428211156107e057506008819055600a55565b600260015414156111225760405162461bcd60e51b81526004016105f590611f5a565b6002600155600854421080159061113b57506009544211155b6111765760405162461bcd60e51b815260206004820152600c60248201526b496e76616c69642074696d6560a01b60448201526064016105f5565b61117e6106d9565b156111bf5760405162461bcd60e51b81526020600482015260116024820152702232b837b9b4ba1034b990333937bd32b760791b60448201526064016105f5565b600081116112005760405162461bcd60e51b815260206004820152600e60248201526d125b9d985b1a5908185b5bdd5b9d60921b60448201526064016105f5565b33600081815260046020526040902060115460018201546112219085611f91565b101561126f5760405162461bcd60e51b815260206004820152601960248201527f5573657220616d6f756e742062656c6f77206d696e696d756d0000000000000060448201526064016105f5565b601054156112d75760105460018201546112899085611f91565b11156112d75760405162461bcd60e51b815260206004820152601760248201527f5573657220616d6f756e742061626f7665206c696d697400000000000000000060448201526064016105f5565b6112df6118c8565b805460ff166113505780546001600160a01b03831661010081026001600160a81b031990921691909117600190811783556005805491820181556000527f036b6384b5eca791c62761152d0c79bb0604c104a5fb6f4eb0703f3154bb3db00180546001600160a01b03191690911790555b6001600160a01b038216600090815260066020526040812060028301805483918261137a8361202b565b90915550815260208101919091526040016000208054909150156113df576003810154600b54825464e8d4a51000916113b291611fc9565b6113bc9190611fa9565b6113c69190611fe8565b8160040160008282546113d99190611f91565b90915550505b6003546040516370a0823160e01b81523060048201526000916001600160a01b0316906370a082319060240160206040518083038186803b15801561142357600080fd5b505afa158015611437573d6000803e3d6000fd5b505050506040513d601f19601f8201168201806040525081019061145b9190611e21565b600354909150611476906001600160a01b03168530886119a4565b6003546040516370a0823160e01b81523060048201526000916001600160a01b0316906370a082319060240160206040518083038186803b1580156114ba57600080fd5b505afa1580156114ce573d6000803e3d6000fd5b505050506040513d601f19601f820116820180604052508101906114f29190611e21565b905060006115008383611fe8565b9050808560010160008282546115169190611f91565b9250508190555080600c600082825461152f9190611f91565b9091555050835481908590600090611548908490611f91565b9091555050426001850181905560125461156191611f91565b6002850155600b54845464e8d4a510009161157b91611fc9565b6115859190611fa9565b8460030181905550856001600160a01b03167fcced3dbb2e04cb879dc590183fec76c1d8dcfb4de954d150b93f6a2036564da782600188600201546115ca9190611fe8565b60408051928352602083019190915201610b1a565b6000546001600160a01b031633146116095760405162461bcd60e51b81526004016105f590611f25565b6001600160a01b03811661166e5760405162461bcd60e51b815260206004820152602660248201527f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160448201526564647265737360d01b60648201526084016105f5565b610df1816119e2565b6001600160a01b03821660009081526006602090815260408083208484529091528120600a54421180156116ac5750600c5415155b1561174b5760006116bf600a5442611a32565b90506000600754826116d19190611fc9565b90506000600c5464e8d4a51000836116e99190611fc9565b6116f39190611fa9565b600b546117009190611f91565b9050836003015464e8d4a5100082866000015461171d9190611fc9565b6117279190611fa9565b6117319190611fe8565b84600401546117409190611f91565b94505050505061178c565b6003810154600b54825464e8d4a510009161176591611fc9565b61176f9190611fa9565b6117799190611fe8565b81600401546117889190611f91565b9150505b92915050565b6000546001600160a01b031633146117bc5760405162461bcd60e51b81526004016105f590611f25565b80821061180b5760405162461bcd60e51b815260206004820152601a60248201527f496e76616c696420737461727420616e6420656e642074696d6500000000000060448201526064016105f5565b81421061185a5760405162461bcd60e51b815260206004820152601960248201527f496e76616c696420737461727420616e642063757272656e740000000000000060448201526064016105f5565b600e91909155600f55565b6040516001600160a01b03831660248201526044810182905261061290849063a9059cbb60e01b906064015b60408051601f198184030181529190526020810180516001600160e01b03166001600160e01b031990931692909217909152611a6d565b600a5442116118d357565b600c546118e05742600a55565b60006118ee600a5442611a32565b90506000600754826119009190611fc9565b600c5490915061191564e8d4a5100083611fc9565b61191f9190611fa9565b600b60008282546119309190611f91565b909155505042600a555050565b600d54808211156119765780600d600082825461195a9190611fe8565b9091555050600254610612906001600160a01b03168483611865565b81600d60008282546119889190611fe8565b9091555050600254610612906001600160a01b03168484611865565b6040516001600160a01b03808516602483015283166044820152606481018290526119dc9085906323b872dd60e01b90608401611891565b50505050565b600080546001600160a01b038381166001600160a01b0319831681178455604051919092169283917f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e09190a35050565b60006009548211611a4e57611a478383611fe8565b905061178c565b6009548310611a5f5750600061178c565b82600954611a479190611fe8565b6000611ac2826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564815250856001600160a01b0316611b3f9092919063ffffffff16565b8051909150156106125780806020019051810190611ae09190611ded565b6106125760405162461bcd60e51b815260206004820152602a60248201527f5361666545524332303a204552433230206f7065726174696f6e20646964206e6044820152691bdd081cdd58d8d9595960b21b60648201526084016105f5565b6060611b4e8484600085611b58565b90505b9392505050565b606082471015611bb95760405162461bcd60e51b815260206004820152602660248201527f416464726573733a20696e73756666696369656e742062616c616e636520666f6044820152651c8818d85b1b60d21b60648201526084016105f5565b843b611c075760405162461bcd60e51b815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e747261637400000060448201526064016105f5565b600080866001600160a01b03168587604051611c239190611e5a565b60006040518083038185875af1925050503d8060008114611c60576040519150601f19603f3d011682016040523d82523d6000602084013e611c65565b606091505b5091509150611c75828286611c80565b979650505050505050565b60608315611c8f575081611b51565b825115611c9f5782518084602001fd5b8160405162461bcd60e51b81526004016105f59190611ef2565b80356001600160a01b0381168114611cd057600080fd5b919050565b600060208284031215611ce6578081fd5b611b5182611cb9565b60008060408385031215611d01578081fd5b611d0a83611cb9565b9150611d1860208401611cb9565b90509250929050565b600080600060608486031215611d35578081fd5b611d3e84611cb9565b9250611d4c60208501611cb9565b9150604084013590509250925092565b60008060408385031215611d6e578182fd5b611d7783611cb9565b91506020830135611d878161205c565b809150509250929050565b60008060408385031215611da4578182fd5b611dad83611cb9565b946020939093013593505050565b600080600060608486031215611dcf578283fd5b611dd884611cb9565b95602085013595506040909401359392505050565b600060208284031215611dfe578081fd5b8151611b518161205c565b600060208284031215611e1a578081fd5b5035919050565b600060208284031215611e32578081fd5b5051919050565b60008060408385031215611e4b578182fd5b50508035926020909101359150565b60008251611e6c818460208701611fff565b9190910192915050565b6060808252845182820181905260009190608090818501906020808a01865b83811015611ed7578151805115158652838101516001600160a01b03168487015260408082015190870152870151878601529385019390820190600101611e95565b50508601979097526040909401949094525090949350505050565b6020815260008251806020840152611f11816040850160208701611fff565b601f01601f19169190910160400192915050565b6020808252818101527f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572604082015260600190565b6020808252601f908201527f5265656e7472616e637947756172643a207265656e7472616e742063616c6c00604082015260600190565b60008219821115611fa457611fa4612046565b500190565b600082611fc457634e487b7160e01b81526012600452602481fd5b500490565b6000816000190483118215151615611fe357611fe3612046565b500290565b600082821015611ffa57611ffa612046565b500390565b60005b8381101561201a578181015183820152602001612002565b838111156119dc5750506000910152565b600060001982141561203f5761203f612046565b5060010190565b634e487b7160e01b600052601160045260246000fd5b8015158114610df157600080fdfea2646970667358221220b6662a315a88aba8ebf102a8e2ef6d1bcf8d95787a771a90e52904189e715bfb64736f6c63430008040033