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// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.18;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";

import "../interfaces/IBlast.sol";
import "../interfaces/IProtocolSettings.sol";
import "../interfaces/IUsb.sol";
import "../interfaces/IWandProtocol.sol";
import "../settings/ProtocolOwner.sol";

contract Usb is IUsb, ProtocolOwner, ReentrancyGuard {
  using SafeMath for uint256;

  uint256 constant internal INFINITE_ALLOWANCE = type(uint256).max;

  IProtocolSettings public immutable settings;

  uint256 private _totalSupply;

  uint256 private _totalShares;
  mapping(address => uint256) private _shares;

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

  constructor(address _wandProtocol, address _settings) ProtocolOwner(_wandProtocol) {
    require(_wandProtocol != address(0) && _settings != address(0), "Zero address detected");

    settings = IProtocolSettings(_settings);
  }

  /* ================= IERC20Metadata ================ */

  function name() public pure returns (string memory) {
    return 'Wand USB';
  }

  function symbol() public pure returns (string memory) {
    return 'USB';
  }

  function decimals() public pure returns (uint8) {
    return 18;
  }

  /* ================= IERC20 Views ================ */

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

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

  function allowance(address owner, address spender) public view returns (uint256) {
    return _allowances[owner][spender];
  }

  /* ================= Views ================ */

  function totalShares() public view returns (uint256) {
    return _totalShares;
  }

  function sharesOf(address account) public view returns (uint256) {
    return _shares[account];
  }

  function getSharesByBalance(uint256 balance) public view returns (uint256) {
    // Initial mint
    if (_totalSupply == 0 || _totalShares == 0) return balance;

    return balance
      .mul(_totalShares)
      .div(_totalSupply);
  }

  function getBalanceByShares(uint256 sharesAmount) public view override returns (uint256) {
    if (_totalShares == 0) return 0;
  
    return sharesAmount
      .mul(_totalSupply)
      .div(_totalShares);
  }

  /* ================= IERC20 Functions ================ */

  function transfer(address to, uint256 amount) external nonReentrant onUserAction returns (bool) {
    _transfer(_msgSender(), to, amount);
    return true;
  }

  function transferFrom(address from, address to, uint256 amount) external nonReentrant onUserAction returns (bool) {
    _spendAllowance(from, _msgSender(), amount);
    _transfer(from, to, amount);
    return true;
  }

  function approve(address spender, uint256 amount) external nonReentrant onUserAction returns (bool) {
    _approve(_msgSender(), spender, amount);
    return true;
  }

  function increaseAllowance(address spender, uint256 addedValue) external nonReentrant onUserAction returns (bool) {
    _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
    return true;
  }

  function decreaseAllowance(address spender, uint256 subtractedValue) external nonReentrant onUserAction returns (bool) {
    uint256 currentAllowance = _allowances[_msgSender()][spender];
    require(currentAllowance >= subtractedValue, "Allowance below zero");
    _approve(_msgSender(), spender, currentAllowance.sub(subtractedValue));
    return true;
  }

  /* ================= IUsb Functions ================ */

  function configureBlastYieldsAndGas() external nonReentrant onlyProtocol {
    address blastAddress = wandProtocol.blastAddress();
    if (blastAddress != address(0)) {
      IBlast blast = IBlast(wandProtocol.blastAddress());
      blast.configureClaimableGas();
    }
  }

  function mint(address to, uint256 amount) external nonReentrant onlyVault returns (uint256) {
    require(to != address(0), "Zero address detected");
    require(amount > 0, 'Amount too small');

    uint256 sharesAmount = getSharesByBalance(amount);
    _mintShares(to, sharesAmount);
    _totalSupply = _totalSupply.add(amount);

    _emitTransferEvents(address(0), to, amount, sharesAmount);

    return sharesAmount;
  }

  function rebase(uint256 addedSupply) external nonReentrant onlyVault{
    require(addedSupply > 0, 'Amount too small');
    _totalSupply = _totalSupply.add(addedSupply);
    emit Rebased(addedSupply);
  }

  function burn(address account, uint256 amount) external nonReentrant onlyVault returns (uint256) {
    require(account != address(0), "Zero address detected");
    require(amount > 0, 'Amount too small');

    uint256 sharesAmount = getSharesByBalance(amount);
    _burnShares(account, sharesAmount);
    _totalSupply = _totalSupply.sub(amount);

    _emitTransferEvents(account, address(0), amount, sharesAmount);

    return sharesAmount;
  }

  function transferShares(address to, uint256 sharesAmount) external nonReentrant onUserAction returns (uint256) {
    _transferShares(_msgSender(), to, sharesAmount);
    uint256 tokensAmount = getBalanceByShares(sharesAmount);
    _emitTransferEvents(_msgSender(), to, tokensAmount, sharesAmount);
    return tokensAmount;
  }

  function transferSharesFrom(address sender, address to, uint256 sharesAmount) external nonReentrant onUserAction returns (uint256) {
    uint256 tokensAmount = getBalanceByShares(sharesAmount);
    _spendAllowance(sender, _msgSender(), tokensAmount);
    _transferShares(sender, to, sharesAmount);
    _emitTransferEvents(sender, to, tokensAmount, sharesAmount);
    return tokensAmount;
  }

  /* ================= INTERNAL Functions ================ */

  function _transfer(address sender, address to, uint256 amount) internal {
    uint256 _sharesToTransfer = getSharesByBalance(amount);
    _transferShares(sender, to, _sharesToTransfer);
    _emitTransferEvents(sender, to, amount, _sharesToTransfer);
  }

  function _approve(address owner, address spender, uint256 amount) internal {
    require(owner != address(0), "Approve from zero address");
    require(spender != address(0), "Approve to zero address");

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

  function _spendAllowance(address owner, address spender, uint256 amount) internal {
    uint256 currentAllowance = _allowances[owner][spender];
    if (currentAllowance != INFINITE_ALLOWANCE) {
      require(currentAllowance >= amount, "Allowance exceeded");
      _approve(owner, spender, currentAllowance - amount);
    }
  }

  function _transferShares(address from, address to, uint256 sharesAmount) internal {
    require(from != address(0), "Transfer from zero address");
    require(to != address(0), "Transfer to zero address");
    require(to != address(this), "Transfer to this contract");

    uint256 currentSenderShares = _shares[from];
    require(sharesAmount <= currentSenderShares, "Balance exceeded");

    _shares[from] = currentSenderShares.sub(sharesAmount);
    _shares[to] = _shares[to].add(sharesAmount);
  }

  function _mintShares(address to, uint256 sharesAmount) internal returns (uint256 newTotalShares) {
    require(to != address(0), "Mint to zero address");

    _totalShares = _totalShares.add(sharesAmount);
    _shares[to] = _shares[to].add(sharesAmount);

    return _totalShares;
  }

  function _burnShares(address account, uint256 sharesAmount) internal returns (uint256 newTotalShares) {
    require(account != address(0), "Burn from zero address");

    require(sharesAmount <= _shares[account], "Balance exceeded");

    _totalShares = _totalShares.sub(sharesAmount);
    _shares[account] = _shares[account].sub(sharesAmount);

    return _totalShares;
  }

  function _emitTransferEvents(address from, address to, uint256 tokenAmount, uint256 sharesAmount) internal {
    emit Transfer(from, to, tokenAmount);
    emit TransferShares(from, to, sharesAmount);
  }

  modifier onlyVault() virtual {
    require (IWandProtocol(wandProtocol).isVault(_msgSender()), "Caller is not a Vault contract");
    _;
  }

  modifier onUserAction() {
    _;

    address blastAddress = wandProtocol.blastAddress();
    if (blastAddress != address(0)) {
      IBlast blast = IBlast(blastAddress);
      (uint256 etherSeconds, uint256 etherBalance, ,) = blast.readGasParams(address(this));
      if (etherSeconds > 0 && etherBalance > 0) {
        blast.claimAllGas(address(this), settings.treasury());
      }
    }
  }

  /* ================= Events ================ */

  event TransferShares(address indexed from, address indexed to, uint256 sharesValue);
  event Rebased(uint256 addedSupply);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(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");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

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 making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

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

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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);

    /**
     * @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 `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, 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 `from` to `to` 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 from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

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

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            if (a == 0) return (true, 0);
            uint256 c = a * b;
            if (c / a != b) return (false, 0);
            return (true, c);
        }
    }

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

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

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        return a + b;
    }

    /**
     * @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 a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        return a * b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

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

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b <= a, errorMessage);
            return a - b;
        }
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a % b;
        }
    }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.18;

enum YieldMode {
  AUTOMATIC,
  VOID,
  CLAIMABLE
}

enum GasMode {
  VOID,
  CLAIMABLE 
}

interface IBlast{
  // configure
  function configureContract(address contractAddress, YieldMode _yield, GasMode gasMode, address governor) external;
  function configure(YieldMode _yield, GasMode gasMode, address governor) external;

  // base configuration options
  function configureClaimableYield() external;
  function configureClaimableYieldOnBehalf(address contractAddress) external;
  function configureAutomaticYield() external;
  function configureAutomaticYieldOnBehalf(address contractAddress) external;
  function configureVoidYield() external;
  function configureVoidYieldOnBehalf(address contractAddress) external;
  function configureClaimableGas() external;
  function configureClaimableGasOnBehalf(address contractAddress) external;
  function configureVoidGas() external;
  function configureVoidGasOnBehalf(address contractAddress) external;
  function configureGovernor(address _governor) external;
  function configureGovernorOnBehalf(address _newGovernor, address contractAddress) external;

  // claim yield
  function claimYield(address contractAddress, address recipientOfYield, uint256 amount) external returns (uint256);
  function claimAllYield(address contractAddress, address recipientOfYield) external returns (uint256);

  // claim gas
  function claimAllGas(address contractAddress, address recipientOfGas) external returns (uint256);
  function claimGasAtMinClaimRate(address contractAddress, address recipientOfGas, uint256 minClaimRateBips) external returns (uint256);
  function claimMaxGas(address contractAddress, address recipientOfGas) external returns (uint256);
  function claimGas(address contractAddress, address recipientOfGas, uint256 gasToClaim, uint256 gasSecondsToConsume) external returns (uint256);

  // read functions
  function readClaimableYield(address contractAddress) external view returns (uint256);
  function readYieldConfiguration(address contractAddress) external view returns (uint8);
  function readGasParams(address contractAddress) external view returns (uint256 etherSeconds, uint256 etherBalance, uint256 lastUpdated, GasMode);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.18;

interface IProtocolSettings {

  function treasury() external view returns (address);

  function decimals() external view returns (uint256);

  function isValidParam(bytes32 param, uint256 value) external view returns (bool);

  function paramDefaultValue(bytes32 param) external view returns (uint256);

  function vaultParamValue(address vault, bytes32 param) external view returns (uint256);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.18;

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

interface IUsb is IERC20 {

  function decimals() external view returns (uint8);

  function getBalanceByShares(uint256 sharesAmount) external view returns (uint256);

  function getSharesByBalance(uint256 balance) external view returns (uint256);

  function configureBlastYieldsAndGas() external;

  function mint(address to, uint256 amount) external returns (uint256);

  function burn(address account, uint256 amount) external returns (uint256);

  function transferShares(address to, uint256 sharesAmount) external returns (uint256);

  function rebase(uint256 addedSupply) external;
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.18;

interface IWandProtocol {

  function protocolOwner() external view returns (address);

  function usbToken() external view returns (address);

  function blastAddress() external view returns (address);
  
  function blastPointsAddress() external view returns (address);

  function blastPointsOperator() external view returns (address);

  function isVault(address vaultAddress) external view returns (bool);

  function isVaultAsset(address assetToken) external view returns (bool);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.18;

import "@openzeppelin/contracts/utils/Context.sol";
import "../interfaces/IWandProtocol.sol";

abstract contract ProtocolOwner is Context {
  IWandProtocol public immutable wandProtocol;

  constructor(address _wandProtocol_) {
    require(_wandProtocol_ != address(0), "Zero address detected");
    wandProtocol = IWandProtocol(_wandProtocol_);
  }

  modifier onlyProtocol() {
    require(_msgSender() == address(wandProtocol), "Ownable: caller is not the protocol");
    _;
  }

  modifier onlyOwner() {
    require(_msgSender() == IWandProtocol(wandProtocol).protocolOwner(), "Ownable: caller is not the owner");
    _;
  }

  function owner() public view returns(address) {
    return IWandProtocol(wandProtocol).protocolOwner();
  }
}

{
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 100,
    "details": {
      "yulDetails": {
        "optimizerSteps": "u"
      }
    }
  },
  "viaIR": true,
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_wandProtocol","type":"address"},{"internalType":"address","name":"_settings","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"addedSupply","type":"uint256"}],"name":"Rebased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"sharesValue","type":"uint256"}],"name":"TransferShares","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"configureBlastYieldsAndGas","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"sharesAmount","type":"uint256"}],"name":"getBalanceByShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"name":"getSharesByBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"addedSupply","type":"uint256"}],"name":"rebase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"settings","outputs":[{"internalType":"contract IProtocolSettings","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"sharesOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"totalShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"sharesAmount","type":"uint256"}],"name":"transferShares","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"sharesAmount","type":"uint256"}],"name":"transferSharesFrom","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wandProtocol","outputs":[{"internalType":"contract IWandProtocol","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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00000000000000000000000031e9026bf3a20fa3250a94cad5e6bfbe203b001b0000000000000000000000007449dc43a03e70050c4acd3f8a6acab9a7f87933

-----Decoded View---------------
Arg [0] : _wandProtocol (address): 0x31e9026bf3A20FA3250a94caD5E6BFbE203B001B
Arg [1] : _settings (address): 0x7449dc43a03e70050c4AcD3F8A6acab9A7F87933

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000031e9026bf3a20fa3250a94cad5e6bfbe203b001b
Arg [1] : 0000000000000000000000007449dc43a03e70050c4acd3f8a6acab9a7f87933