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: UNLICENSED
pragma solidity 0.7.3;

import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "./interfaces/IStakingContract.sol";
import "./StakeToken.sol";

contract Staking is Ownable, IStakingContract {
  using SafeMath for uint256;
  using SafeERC20 for StakeToken;

  uint256 private INTEREST_MUL_FACTOR = 10**6; // equals number of decimals in the interest rate
  uint256 private MAX_DAYS_INTEREST_ACCRUE = 10; // limits the exponent for one interest calc iteration to avoid overflows


  mapping (address => uint256) private _ownershipShares;

  uint256 private _totalStaked;
  uint256 private _totalShares;

  uint256 private _maxInterestRateDaily;
  uint256 private _interestRateDaily;
  uint256 private _lastInterestAccruedTimestamp;

  StakeToken private _stakeToken;

  event Staked(address indexed user, uint256 amount, uint256 total, bytes data);
  event Unstaked(address indexed user, uint256 amount, uint256 total, bytes data);
  event InterestPaid(uint256 amount, uint256 lastDayPaidTimestamp);

  /**
  * @param stakeTokenAddress: address of the staking token (need minting rights on it)
  * @param startingTimestamp: timestamp at launch (not trusting the miners to put it there)
  * @param maxInterestRate: hard cap on the interest rate set in the contract
  * @param startingInterestRate: interest rate at launch, represents 1e-6 daily percent (1/100 of a basis point)
  */
  constructor(
    address stakeTokenAddress,
    uint256 startingTimestamp,
    uint256 maxInterestRate,
    uint256 startingInterestRate
  ) {
    require(stakeTokenAddress != address(0), "Staking: Trying to set a zero address token");
    require(startingInterestRate <= maxInterestRate, "Staking: Initial interest rate is higher than maximum");
    require(maxInterestRate != 0, "Staking: Max interest rate cannot be zero");
    require(startingInterestRate != 0, "Staking: Starting interest rate cannot be zero");
    require(startingTimestamp >= block.timestamp.sub(1 days), "Staking: Setting the start of staking more than 1 day in the past");
    _stakeToken = StakeToken(stakeTokenAddress);
    _lastInterestAccruedTimestamp = startingTimestamp;
    _maxInterestRateDaily = maxInterestRate;
    _interestRateDaily = startingInterestRate;
  }

  /**
  * Stakes tokens for the user by pulling them, needs allowance. Accrues interest first.
  *
  * @param amount: how many tokens the contract will attempt to pull
  * @param data: required by ERC-900 for potential usage in signaling
  */
  function stake(uint256 amount, bytes calldata data) external {
    _accrueInterest();
    _stake(amount, msg.sender, msg.sender);
    emit Staked(msg.sender, amount, _totalStaked, data);
  }


  /**
  * Stakes tokens of the caller in favour of the user. Pulls from the caller, needs allowance.
  * Accrues interest first.
  *
  * @param user: beneficiary whose balance the pulled tokens will be added to
  * @param amount: how many tokens the contract will attempt to pull
  * @param data: required by ERC-900 for potential usage in signaling
  */
  function stakeFor(address user, uint256 amount, bytes calldata data) external {
    _accrueInterest();
    _stake(amount, msg.sender, user);
    emit Staked(user, amount, _totalStaked, data);
  }

  /**
  * Unstakes tokens of the caller and pushes them.
  * Accrues interest first.
  *
  * @param amount: how many tokens the contract will attempt to unstake & send
  * @param data: required by ERC-900 for potential usage in signaling
  */
  function unstake(uint256 amount, bytes calldata data) external {
    _accrueInterest();
    _unstake(amount, msg.sender);
    emit Unstaked(msg.sender, amount, _totalStaked, data);
  }

  /**
  * Accrues interest to date. It is also accrued by most operations.
  */
  function accrueInterest() external {
    _accrueInterest();
  }

  /**
  * Viewer for the total stake of the user, including tokens not yet minted, but virtually
  * accrued to date. Doesn't change state.
  *
  * @param addr: the user the balance is checked for
  */
  function totalStakedFor(address addr) public view returns (uint256) {
    return _totalShares == 0 ? 0 : _totalStakedWithInterest().mul(_ownershipShares[addr]).div(_totalShares);
  }

  /**
  * Viewer for the total amount of all stakes, including interest to date even if it's still virtual.
  */
  function totalStaked() public view returns (uint256) {
    return _totalStakedWithInterest();
  }

  /**
  * Viewer for the virtual interest to date that hasn't been minted yet.
  */
  function totalUnmintedInterest() public view override returns (uint256) {
    (uint256 unmintedInterest, ) = _calculateAccruedInterest();
    return unmintedInterest;
  }

  /**
  * Viewer for the interest rate.
  */
  function interestRate() public view returns (uint256) {
    return _interestRateDaily;
  }

  /**
  * Viewer for the address of the staking token.
  */
  function token() public view returns (address) {
    return address(_stakeToken);
  }

  /**
  * ERC-900: MUST return true if the optional history functions are implemented, otherwise false.
  */
  function supportsHistory() public pure returns (bool) {
    return false;
  }

  /**
  * Sets the interest rate, reverts if it exceeds the maximum which was set at launch.
  *
  * @param newInterestRate: daily interest rate in 1e-6 (1/100 of a basis point)
  */
  function setInterestRate(uint256 newInterestRate) external onlyOwner {
    require(newInterestRate <= _maxInterestRateDaily, "Staking: Interest rate is higher than allowed maximum");
    _accrueInterest();
    _interestRateDaily = newInterestRate;
  }

  /**
  * Internal implementation of stake.
  *
  * @param amount: how many tokens the contract will attempt to pull
  * @param sender: who is the contract pulling from
  * @param receiver: beneficiary whose balance and shares will be increased
  */
  function _stake(uint256 amount, address sender, address receiver) internal {
    require(amount > 0, "Staking: Trying to stake zero tokens");
    require(receiver != address(0), "Staking: Trying to stake to zero address");
    require(_stakeToken.balanceOf(sender) >= amount, "Staking: user balance is less than staked amount");
    require(_stakeToken.allowance(sender, address(this)) >= amount, "Staking: insufficient allowance to stake");


    uint256 amountBefore = _stakeToken.balanceOf(address(this));
    _stakeToken.safeTransferFrom(sender, address(this), amount);
    require(_stakeToken.balanceOf(address(this)) == amountBefore.add(amount), "Staking: Incorrect number of pulled tokens");

    uint256 newShares = _totalShares == 0 ? amount : _totalShares.mul(amount).div(_totalStaked);

    _totalStaked = _totalStaked.add(amount);

    _ownershipShares[receiver] = _ownershipShares[receiver].add(newShares);
    _totalShares = _totalShares.add(newShares);

  }

  /**
  * Internal implementation of unstake.
  *
  * @param amount: how many tokens the contract will attempt to unstake & return
  * @param user: whose balance of staked tokens and shares is being changed
  */
  function _unstake(uint256 amount, address user) internal {
    uint256 sharesToBurn = _totalShares.mul(amount).div(_totalStaked);

    require(sharesToBurn > 0, "Staking: User tries to unstake 0 or there are no stakers");
    require(_ownershipShares[user] >= sharesToBurn, "Staking: User tries to unstake more than their balance");

    _ownershipShares[user] = _ownershipShares[user].sub(sharesToBurn);
    _totalShares = _totalShares.sub(sharesToBurn);
    _totalStaked = _totalStaked.sub(amount);

    uint256 amountBefore = _stakeToken.balanceOf(address(this));
    _stakeToken.safeTransfer(user, amount);
    require(_stakeToken.balanceOf(address(this)) == amountBefore.sub(amount), "Staking: Incorrect number of refunded tokens");
  }

  /**
  * Accrues interest to date.
  */
  function _accrueInterest() internal {
    (uint256 tokensToMint, uint256 newTimestamp) = _calculateAccruedInterest();

    _lastInterestAccruedTimestamp = newTimestamp;

    if (tokensToMint > 0) {
      _mintStakeToken(tokensToMint);
      _totalStaked = _totalStaked.add(tokensToMint);

      emit InterestPaid(tokensToMint, newTimestamp);
    }
  }

  function _mintStakeToken(uint256 amount) internal {
    _stakeToken.mint(address(this), amount);
  }

  /**
  * Calculates the interest that should be accrued to date and the timestamp this accrual happened at.
  * Performs exponentiation iteratively (limited by MAX_DAYS_INTEREST_ACCRUE) to avoid overflows.
  */
  function _calculateAccruedInterest() internal view returns (uint256 interestAccrued, uint256 newTimestamp) {
    if (block.timestamp.sub(_lastInterestAccruedTimestamp) > 1 days) {
      uint256 daysElapsed = (block.timestamp.sub(_lastInterestAccruedTimestamp)).div(1 days);
      uint256 newBalance = _totalStaked;
      uint256 daysRemain = daysElapsed;

      while (daysRemain > 0) {
        if (daysRemain < MAX_DAYS_INTEREST_ACCRUE) {
          newBalance = newBalance.mul((uint256(INTEREST_MUL_FACTOR).add(_interestRateDaily))**daysRemain).div(INTEREST_MUL_FACTOR**daysRemain);
          daysRemain = 0;
        } else {
          newBalance = newBalance.mul((uint256(INTEREST_MUL_FACTOR).add(_interestRateDaily))**MAX_DAYS_INTEREST_ACCRUE).div(INTEREST_MUL_FACTOR**MAX_DAYS_INTEREST_ACCRUE);
          daysRemain = daysRemain.sub(MAX_DAYS_INTEREST_ACCRUE);
        }
      }

      uint256 interest = newBalance.sub(_totalStaked);
      uint256 timestamp = _lastInterestAccruedTimestamp.add(daysElapsed.mul(1 days));

      return (interest, timestamp);
    } else {
      return (0, _lastInterestAccruedTimestamp);
    }
  }

  /**
  * Viewer for the unminted interest.
  */
  function _totalStakedWithInterest() internal view returns (uint256) {
    (uint256 unmintedInterest, ) = _calculateAccruedInterest();
    return _totalStaked.add(unmintedInterest);
  }
}

// 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, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../GSN/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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

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

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

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

// 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: UNLICENSED
pragma solidity 0.7.3;

interface IStakingContract {
  function totalUnmintedInterest() external view returns (uint256);
}

// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.7.3;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "./interfaces/IStakingContract.sol";

contract StakeToken is ERC20, Ownable {
  using SafeMath for uint256;

  mapping (address => bool) private _isMinter;
  bool private _isInitialized;
  IStakingContract private _stakingContract;

  modifier onlyMinter {
    require(_isMinter[msg.sender]);
    _;
  }

  /**
  * @param name: ERC20 name of the token
  * @param symbol: ERC20 symbol (ticker) of the token
  */
  constructor(
    string memory name,
    string memory symbol
  )
  ERC20(name, symbol)
  {
    _setupDecimals(8);
  }

  /**
  * Sets up minters and initializes the link to the staking contract
  *
  * @param minterAddresses: list of addresses to receive minter roles
  * @param stakingContract: address of the staking contract, needs to support IStakingContract
  */
  function init(
    address[] calldata minterAddresses,
    address stakingContract
  )
  external
  onlyOwner
  {
    require(stakingContract != address(0), "Staking contract cannot be zero address");
    require(!_isInitialized, "Minters are already set");
    require(minterAddresses.length > 0, "Trying to initialize with no minters");
    for (uint8 i=0; i<minterAddresses.length; i++) {
      require(minterAddresses[i]  != address(0), "StakeToken: Trying to init with a zero address minter");
      _isMinter[minterAddresses[i]] = true;
    }
    _stakingContract = IStakingContract(stakingContract);
    _isInitialized = true;
  }

  /**
  * Minting wrapper for the privileged role
  */
  function mint(address account, uint256 amount) public onlyMinter {
    require(account != address(0), "StakeToken: Trying to mint to zero address");
    require(amount > 0, "StakeToken: Trying to mint zero tokens");
    _mint(account, amount);
  }

  /**
  * Total supply that includes "virtual" tokens which will be minted by staking, to date
  */
  function totalSupplyVirtual() public view returns (uint256) {
    return totalSupply().add(_stakingContract.totalUnmintedInterest());
  }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

// 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 >=0.6.2 <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);
    }

    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);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../GSN/Context.sol";
import "./IERC20.sol";
import "../../math/SafeMath.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name_, string memory symbol_) public {
        _name = name_;
        _symbol = symbol_;
        _decimals = 18;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
     * called.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal {
        _decimals = decimals_;
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}

{
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"stakeTokenAddress","type":"address"},{"internalType":"uint256","name":"startingTimestamp","type":"uint256"},{"internalType":"uint256","name":"maxInterestRate","type":"uint256"},{"internalType":"uint256","name":"startingInterestRate","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"lastDayPaidTimestamp","type":"uint256"}],"name":"InterestPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"total","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Staked","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":"total","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"data","type":"bytes"}],"name":"Unstaked","type":"event"},{"inputs":[],"name":"accrueInterest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"interestRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"newInterestRate","type":"uint256"}],"name":"setInterestRate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"stakeFor","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"supportsHistory","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalStaked","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"totalStakedFor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalUnmintedInterest","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":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"unstake","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0x608060405234801561001057600080fd5b50600436106100ea5760003560e01c8063817b1cd21161008c578063a6afed9511610066578063a6afed9514610353578063c8fd6ed01461035d578063f2fde38b146103e0578063fc0c546a14610424576100ea565b8063817b1cd2146102e35780638da5cb5b14610301578063969d02ab14610335576100ea565b80635f84f302116100c85780635f84f3021461026d5780637033e4a61461029b578063715018a6146102bb5780637c3a00fd146102c5576100ea565b80630e89439b146100ef5780630ef96356146101725780634b341aed14610215575b600080fd5b6101706004803603604081101561010557600080fd5b81019080803590602001909291908035906020019064010000000081111561012c57600080fd5b82018360208201111561013e57600080fd5b8035906020019184600183028401116401000000008311171561016057600080fd5b9091929391929390505050610458565b005b6102136004803603606081101561018857600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff16906020019092919080359060200190929190803590602001906401000000008111156101cf57600080fd5b8201836020820111156101e157600080fd5b8035906020019184600183028401116401000000008311171561020357600080fd5b90919293919293905050506104fc565b005b6102576004803603602081101561022b57600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff1690602001909291905050506105a1565b6040518082815260200191505060405180910390f35b6102996004803603602081101561028357600080fd5b8101908080359060200190929190505050610628565b005b6102a361075d565b60405180821515815260200191505060405180910390f35b6102c3610762565b005b6102cd6108e8565b6040518082815260200191505060405180910390f35b6102eb6108f2565b6040518082815260200191505060405180910390f35b610309610901565b604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b61033d61092a565b6040518082815260200191505060405180910390f35b61035b61093f565b005b6103de6004803603604081101561037357600080fd5b81019080803590602001909291908035906020019064010000000081111561039a57600080fd5b8201836020820111156103ac57600080fd5b803590602001918460018302840111640100000000831117156103ce57600080fd5b9091929391929390505050610949565b005b610422600480360360208110156103f657600080fd5b81019080803573ffffffffffffffffffffffffffffffffffffffff1690602001909291905050506109ec565b005b61042c610bf7565b604051808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060405180910390f35b610460610c6b565b61046b833333610cf2565b3373ffffffffffffffffffffffffffffffffffffffff167fc65e53b88159e7d2c0fc12a0600072e28ae53ff73b4c1715369c30f16093514284600454858560405180858152602001848152602001806020018281038252848482818152602001925080828437600081840152601f19601f8201169050808301925050509550505050505060405180910390a2505050565b610504610c6b565b61050f833386610cf2565b8373ffffffffffffffffffffffffffffffffffffffff167fc65e53b88159e7d2c0fc12a0600072e28ae53ff73b4c1715369c30f16093514284600454858560405180858152602001848152602001806020018281038252848482818152602001925080828437600081840152601f19601f8201169050808301925050509550505050505060405180910390a250505050565b6000806005541461061e5761061960055461060b600360008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020546105fd61137a565b6113a390919063ffffffff16565b61142990919063ffffffff16565b610621565b60005b9050919050565b610630611473565b73ffffffffffffffffffffffffffffffffffffffff1660008054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16146106f0576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260208152602001807f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657281525060200191505060405180910390fd5b60065481111561074b576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260358152602001806122826035913960400191505060405180910390fd5b610753610c6b565b8060078190555050565b600090565b61076a611473565b73ffffffffffffffffffffffffffffffffffffffff1660008054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff161461082a576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260208152602001807f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657281525060200191505060405180910390fd5b600073ffffffffffffffffffffffffffffffffffffffff1660008054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a360008060006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550565b6000600754905090565b60006108fc61137a565b905090565b60008060009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905090565b60008061093561147b565b5090508091505090565b610947610c6b565b565b610951610c6b565b61095b8333611600565b3373ffffffffffffffffffffffffffffffffffffffff167faf01bfc8475df280aca00b578c4a948e6d95700f0db8c13365240f7f973c875484600454858560405180858152602001848152602001806020018281038252848482818152602001925080828437600081840152601f19601f8201169050808301925050509550505050505060405180910390a2505050565b6109f4611473565b73ffffffffffffffffffffffffffffffffffffffff1660008054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1614610ab4576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260208152602001807f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e657281525060200191505060405180910390fd5b600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff161415610b3a576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260268152602001806122306026913960400191505060405180910390fd5b8073ffffffffffffffffffffffffffffffffffffffff1660008054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a3806000806101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff16021790555050565b6000600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905090565b6000610c6383836040518060400160405280601e81526020017f536166654d6174683a207375627472616374696f6e206f766572666c6f770000815250611a31565b905092915050565b600080610c7661147b565b91509150806008819055506000821115610cee57610c9382611af1565b610ca882600454611b9f90919063ffffffff16565b6004819055507f1f68787782361d72df9db26edc0ebfbbdb8e9dfbe6bd56d39cb67cdf20d951158282604051808381526020018281526020019250505060405180910390a15b5050565b60008311610d4b576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260248152602001806122b76024913960400191505060405180910390fd5b600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff161415610dd1576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260288152602001806121e06028913960400191505060405180910390fd5b82600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166370a08231846040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060206040518083038186803b158015610e5b57600080fd5b505afa158015610e6f573d6000803e3d6000fd5b505050506040513d6020811015610e8557600080fd5b81019080805190602001909291905050501015610eed576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260308152602001806123e46030913960400191505060405180910390fd5b82600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1663dd62ed3e84306040518363ffffffff1660e01b8152600401808373ffffffffffffffffffffffffffffffffffffffff1681526020018273ffffffffffffffffffffffffffffffffffffffff1681526020019250505060206040518083038186803b158015610f9557600080fd5b505afa158015610fa9573d6000803e3d6000fd5b505050506040513d6020811015610fbf57600080fd5b81019080805190602001909291905050501015611027576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260288152602001806122086028913960400191505060405180910390fd5b6000600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166370a08231306040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060206040518083038186803b1580156110b257600080fd5b505afa1580156110c6573d6000803e3d6000fd5b505050506040513d60208110156110dc57600080fd5b8101908080519060200190929190505050905061113e833086600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16611c27909392919063ffffffff16565b6111518482611b9f90919063ffffffff16565b600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166370a08231306040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060206040518083038186803b1580156111da57600080fd5b505afa1580156111ee573d6000803e3d6000fd5b505050506040513d602081101561120457600080fd5b81019080805190602001909291905050501461126b576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602a815260200180612301602a913960400191505060405180910390fd5b600080600554146112a45761129f600454611291876005546113a390919063ffffffff16565b61142990919063ffffffff16565b6112a6565b845b90506112bd85600454611b9f90919063ffffffff16565b60048190555061131581600360008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054611b9f90919063ffffffff16565b600360008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000208190555061136d81600554611b9f90919063ffffffff16565b6005819055505050505050565b60008061138561147b565b50905061139d81600454611b9f90919063ffffffff16565b91505090565b6000808314156113b65760009050611423565b60008284029050828482816113c757fe5b041461141e576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260218152602001806123616021913960400191505060405180910390fd5b809150505b92915050565b600061146b83836040518060400160405280601a81526020017f536166654d6174683a206469766973696f6e206279207a65726f000000000000815250611ce8565b905092915050565b600033905090565b6000806201518061149760085442610c2190919063ffffffff16565b11156115f25760006114c9620151806114bb60085442610c2190919063ffffffff16565b61142990919063ffffffff16565b90506000600454905060008290505b600081111561159b576002548110156115375761152c816001540a61151e8361150e600754600154611b9f90919063ffffffff16565b0a856113a390919063ffffffff16565b61142990919063ffffffff16565b915060009050611596565b61157c6002546001540a61156e60025461155e600754600154611b9f90919063ffffffff16565b0a856113a390919063ffffffff16565b61142990919063ffffffff16565b915061159360025482610c2190919063ffffffff16565b90505b6114d8565b60006115b260045484610c2190919063ffffffff16565b905060006115e06115cf62015180876113a390919063ffffffff16565b600854611b9f90919063ffffffff16565b905081819650965050505050506115fc565b6000600854915091505b9091565b600061162b60045461161d856005546113a390919063ffffffff16565b61142990919063ffffffff16565b905060008111611686576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260388152602001806123826038913960400191505060405180910390fd5b80600360008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054101561171e576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252603681526020018061232b6036913960400191505060405180910390fd5b61177081600360008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054610c2190919063ffffffff16565b600360008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020819055506117c881600554610c2190919063ffffffff16565b6005819055506117e383600454610c2190919063ffffffff16565b6004819055506000600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166370a08231306040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060206040518083038186803b15801561187457600080fd5b505afa158015611888573d6000803e3d6000fd5b505050506040513d602081101561189e57600080fd5b810190808051906020019092919050505090506118fe8385600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16611dae9092919063ffffffff16565b6119118482610c2190919063ffffffff16565b600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166370a08231306040518263ffffffff1660e01b8152600401808273ffffffffffffffffffffffffffffffffffffffff16815260200191505060206040518083038186803b15801561199a57600080fd5b505afa1580156119ae573d6000803e3d6000fd5b505050506040513d60208110156119c457600080fd5b810190808051906020019092919050505014611a2b576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602c815260200180612256602c913960400191505060405180910390fd5b50505050565b6000838311158290611ade576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825283818151815260200191508051906020019080838360005b83811015611aa3578082015181840152602081019050611a88565b50505050905090810190601f168015611ad05780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b5060008385039050809150509392505050565b600960009054906101000a900473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff166340c10f1930836040518363ffffffff1660e01b8152600401808373ffffffffffffffffffffffffffffffffffffffff16815260200182815260200192505050600060405180830381600087803b158015611b8457600080fd5b505af1158015611b98573d6000803e3d6000fd5b5050505050565b600080828401905083811015611c1d576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252601b8152602001807f536166654d6174683a206164646974696f6e206f766572666c6f77000000000081525060200191505060405180910390fd5b8091505092915050565b611ce2846323b872dd60e01b858585604051602401808473ffffffffffffffffffffffffffffffffffffffff1681526020018373ffffffffffffffffffffffffffffffffffffffff1681526020018281526020019350505050604051602081830303815290604052907bffffffffffffffffffffffffffffffffffffffffffffffffffffffff19166020820180517bffffffffffffffffffffffffffffffffffffffffffffffffffffffff8381831617835250505050611e50565b50505050565b60008083118290611d94576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825283818151815260200191508051906020019080838360005b83811015611d59578082015181840152602081019050611d3e565b50505050905090810190601f168015611d865780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b506000838581611da057fe5b049050809150509392505050565b611e4b8363a9059cbb60e01b8484604051602401808373ffffffffffffffffffffffffffffffffffffffff16815260200182815260200192505050604051602081830303815290604052907bffffffffffffffffffffffffffffffffffffffffffffffffffffffff19166020820180517bffffffffffffffffffffffffffffffffffffffffffffffffffffffff8381831617835250505050611e50565b505050565b6060611eb2826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c65648152508573ffffffffffffffffffffffffffffffffffffffff16611f3f9092919063ffffffff16565b9050600081511115611f3a57808060200190516020811015611ed357600080fd5b8101908080519060200190929190505050611f39576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252602a8152602001806123ba602a913960400191505060405180910390fd5b5b505050565b6060611f4e8484600085611f57565b90509392505050565b606082471015611fb2576040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825260268152602001806122db6026913960400191505060405180910390fd5b611fbb85612100565b61202d576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040180806020018281038252601d8152602001807f416464726573733a2063616c6c20746f206e6f6e2d636f6e747261637400000081525060200191505060405180910390fd5b600060608673ffffffffffffffffffffffffffffffffffffffff1685876040518082805190602001908083835b6020831061207d578051825260208201915060208101905060208303925061205a565b6001836020036101000a03801982511681845116808217855250505050505090500191505060006040518083038185875af1925050503d80600081146120df576040519150601f19603f3d011682016040523d82523d6000602084013e6120e4565b606091505b50915091506120f4828286612113565b92505050949350505050565b600080823b905060008111915050919050565b60608315612123578290506121d8565b6000835111156121365782518084602001fd5b816040517f08c379a00000000000000000000000000000000000000000000000000000000081526004018080602001828103825283818151815260200191508051906020019080838360005b8381101561219d578082015181840152602081019050612182565b50505050905090810190601f1680156121ca5780820380516001836020036101000a031916815260200191505b509250505060405180910390fd5b939250505056fe5374616b696e673a20547279696e6720746f207374616b6520746f207a65726f20616464726573735374616b696e673a20696e73756666696369656e7420616c6c6f77616e636520746f207374616b654f776e61626c653a206e6577206f776e657220697320746865207a65726f20616464726573735374616b696e673a20496e636f7272656374206e756d626572206f6620726566756e64656420746f6b656e735374616b696e673a20496e746572657374207261746520697320686967686572207468616e20616c6c6f776564206d6178696d756d5374616b696e673a20547279696e6720746f207374616b65207a65726f20746f6b656e73416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c5374616b696e673a20496e636f7272656374206e756d626572206f662070756c6c656420746f6b656e735374616b696e673a205573657220747269657320746f20756e7374616b65206d6f7265207468616e2074686569722062616c616e6365536166654d6174683a206d756c7469706c69636174696f6e206f766572666c6f775374616b696e673a205573657220747269657320746f20756e7374616b652030206f7220746865726520617265206e6f207374616b6572735361666545524332303a204552433230206f7065726174696f6e20646964206e6f7420737563636565645374616b696e673a20757365722062616c616e6365206973206c657373207468616e207374616b656420616d6f756e74a2646970667358221220985cb7c117551c3315096c058b7ed7ed7a6103952016a8ee669e89a582dd30a364736f6c63430007030033

0000000000000000000000003c4b6e6e1ea3d4863700d7f76b36b7f3d3f13e3d000000000000000000000000000000000000000000000000000000006101cbf0000000000000000000000000000000000000000000000000000000000000016d00000000000000000000000000000000000000000000000000000000000000bc

-----Decoded View---------------
Arg [0] : stakeTokenAddress (address): 0x3C4B6E6e1eA3D4863700D7F76b36B7f3D3f13E3d
Arg [1] : startingTimestamp (uint256): 1627507696
Arg [2] : maxInterestRate (uint256): 365
Arg [3] : startingInterestRate (uint256): 188

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000003c4b6e6e1ea3d4863700d7f76b36b7f3d3f13e3d
Arg [1] : 000000000000000000000000000000000000000000000000000000006101cbf0
Arg [2] : 000000000000000000000000000000000000000000000000000000000000016d
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000bc