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// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

import {IDebtToken} from "../interfaces/IDebtToken.sol";
import {ILendPool} from "../interfaces/ILendPool.sol";
import {ILendPoolAddressesProvider} from "../interfaces/ILendPoolAddressesProvider.sol";
import {ILendPoolConfigurator} from "../interfaces/ILendPoolConfigurator.sol";
import {IIncentivesController} from "../interfaces/IIncentivesController.sol";
import {IncentivizedERC20} from "./IncentivizedERC20.sol";
import {WadRayMath} from "../libraries/math/WadRayMath.sol";
import {Errors} from "../libraries/helpers/Errors.sol";

import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";

/**
 * @title DebtToken
 * @notice Implements a debt token to track the borrowing positions of users
 * @author BendDao; Forked and edited by Unlockd
 **/
contract DebtToken is Initializable, IDebtToken, IncentivizedERC20 {
  using WadRayMath for uint256;

  /*//////////////////////////////////////////////////////////////
                          EVENTS
  //////////////////////////////////////////////////////////////*/

  event BorrowAllowanceDelegated(address indexed fromUser, address indexed toUser, address asset, uint256 amount);

  /*//////////////////////////////////////////////////////////////
                          GENERAL VARS
  //////////////////////////////////////////////////////////////*/
  ILendPoolAddressesProvider internal _addressProvider;
  address internal _underlyingAsset;

  mapping(address => mapping(address => uint256)) internal _borrowAllowances;

  mapping(address => bool) internal _debtTokenManagers;

  /*//////////////////////////////////////////////////////////////
                          CONSTANTS
  //////////////////////////////////////////////////////////////*/
  bytes32 public constant DEBT_MARKET = keccak256("DEBT_MARKET");

  /*//////////////////////////////////////////////////////////////
                          MODIFIERS
  //////////////////////////////////////////////////////////////*/

  modifier onlyLendPool() {
    require(_msgSender() == address(_getLendPool()), Errors.CT_CALLER_MUST_BE_LEND_POOL);
    _;
  }

  modifier onlyLendPoolConfigurator() {
    require(_msgSender() == address(_getLendPoolConfigurator()), Errors.LP_CALLER_NOT_LEND_POOL_CONFIGURATOR);
    _;
  }

  modifier onlyPoolAdmin() {
    require(_msgSender() == _addressProvider.getPoolAdmin(), "Caller not pool admin");
    _;
  }

  modifier onlyDebtTokenManager() {
    require(_debtTokenManagers[_msgSender()], Errors.LP_CALLER_NOT_DEBT_TOKEN_MANAGER);
    _;
  }

  /*//////////////////////////////////////////////////////////////
                          INITIALIZERS
  //////////////////////////////////////////////////////////////*/

  /// @custom:oz-upgrades-unsafe-allow constructor
  constructor() initializer {}

  /**
   * @dev Initializes the debt token.
   * @param addressProvider The address of the lend pool
   * @param underlyingAsset The address of the underlying asset
   * @param debtTokenDecimals The decimals of the debtToken, same as the underlying asset's
   * @param debtTokenName The name of the token
   * @param debtTokenSymbol The symbol of the token
   */
  function initialize(
    ILendPoolAddressesProvider addressProvider,
    address underlyingAsset,
    uint8 debtTokenDecimals,
    string memory debtTokenName,
    string memory debtTokenSymbol
  ) public override initializer {
    __IncentivizedERC20_init(debtTokenName, debtTokenSymbol, debtTokenDecimals);

    _underlyingAsset = underlyingAsset;

    _addressProvider = addressProvider;

    emit Initialized(
      underlyingAsset,
      address(_getLendPool()),
      address(_getIncentivesController()),
      debtTokenDecimals,
      debtTokenName,
      debtTokenSymbol
    );
  }

  /*//////////////////////////////////////////////////////////////
                          MAIN LOGIC
  //////////////////////////////////////////////////////////////*/
  /**
   * @dev delegates borrowing power to a user on the specific debt token
   * @param delegatee the address receiving the delegated borrowing power
   * @param amount the maximum amount being delegated. Delegation will still
   * respect the liquidation constraints (even if delegated, a delegatee cannot
   * force a delegator HF to go below 1)
   **/
  function approveDelegation(address delegatee, uint256 amount) external override {
    _borrowAllowances[_msgSender()][delegatee] = amount;
    emit BorrowAllowanceDelegated(_msgSender(), delegatee, _getUnderlyingAssetAddress(), amount);
  }

  function updateTokenManagers(address[] calldata debtTokenManagers, bool flag) external override onlyPoolAdmin {
    uint256 cachedLength = debtTokenManagers.length;
    for (uint256 i; i < cachedLength; ) {
      require(debtTokenManagers[i] != address(0), Errors.INVALID_ZERO_ADDRESS);
      _debtTokenManagers[debtTokenManagers[i]] = flag;
      unchecked {
        ++i;
      }
    }

    emit TokenManagersUpdated(debtTokenManagers, flag);
  }

  /**
   * @dev Mints debt token to the `user` address
   * -  Only callable by the LendPool
   * @param initiator The address calling borrow
   * @param amount The amount of debt being minted
   * @param index The variable debt index of the reserve
   * @return `true` if the the previous balance of the user is 0
   **/
  function mint(
    address initiator,
    address onBehalfOf,
    uint256 amount,
    uint256 index
  ) external override onlyDebtTokenManager returns (bool) {
    if (initiator != onBehalfOf) {
      _decreaseBorrowAllowance(onBehalfOf, initiator, amount);
    }

    uint256 previousBalance = super.balanceOf(onBehalfOf);
    // index is expressed in Ray, so:
    // amount.wadToRay().rayDiv(index).rayToWad() => amount.rayDiv(index)
    uint256 amountScaled = amount.rayDiv(index);
    require(amountScaled != 0, Errors.CT_INVALID_MINT_AMOUNT);

    _mint(onBehalfOf, amountScaled);

    emit Transfer(address(0), onBehalfOf, amount);
    emit Mint(onBehalfOf, amount, index);

    return previousBalance == 0;
  }

  /**
   * @dev Burns user variable debt
   * - Only callable by the LendPool
   * @param user The user whose debt is getting burned
   * @param amount The amount getting burned
   * @param index The variable debt index of the reserve
   **/
  function burn(address user, uint256 amount, uint256 index) external override onlyDebtTokenManager {
    uint256 amountScaled = amount.rayDiv(index);
    require(amountScaled != 0, Errors.CT_INVALID_BURN_AMOUNT);

    _burn(user, amountScaled);

    emit Transfer(user, address(0), amount);
    emit Burn(user, amount, index);
  }

  /**
   * @dev Being non transferrable, the debt token does not implement any of the
   * standard ERC20 functions for transfer and allowance.
   **/
  function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
    recipient;
    amount;
    revert("TRANSFER_NOT_SUPPORTED");
  }

  function allowance(address owner, address spender) public view virtual override returns (uint256) {
    owner;
    spender;
    revert("ALLOWANCE_NOT_SUPPORTED");
  }

  function approve(address spender, uint256 amount) public virtual override returns (bool) {
    spender;
    amount;
    revert("APPROVAL_NOT_SUPPORTED");
  }

  function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
    sender;
    recipient;
    amount;
    revert("TRANSFER_NOT_SUPPORTED");
  }

  function increaseAllowance(address spender, uint256 addedValue) public virtual override returns (bool) {
    spender;
    addedValue;
    revert("ALLOWANCE_NOT_SUPPORTED");
  }

  function decreaseAllowance(address spender, uint256 subtractedValue) public virtual override returns (bool) {
    spender;
    subtractedValue;
    revert("ALLOWANCE_NOT_SUPPORTED");
  }

  /*//////////////////////////////////////////////////////////////
                          INTERNALS
  //////////////////////////////////////////////////////////////*/

  function _getIncentivesController() internal view override returns (IIncentivesController) {
    return IIncentivesController(_addressProvider.getIncentivesController());
  }

  function _getUnderlyingAssetAddress() internal view override returns (address) {
    return _underlyingAsset;
  }

  function _getLendPool() internal view returns (ILendPool) {
    return ILendPool(_addressProvider.getLendPool());
  }

  function _getLendPoolConfigurator() internal view returns (ILendPoolConfigurator) {
    return ILendPoolConfigurator(_addressProvider.getLendPoolConfigurator());
  }

  /*//////////////////////////////////////////////////////////////
                          GETTERS & SETTERS
  //////////////////////////////////////////////////////////////*/

  /**
   * @dev Calculates the accumulated debt balance of the user
   * @return The debt balance of the user
   **/
  function balanceOf(address user) public view virtual override returns (uint256) {
    uint256 scaledBalance = super.balanceOf(user);

    if (scaledBalance == 0) {
      return 0;
    }

    ILendPool pool = _getLendPool();
    return scaledBalance.rayMul(pool.getReserveNormalizedVariableDebt(_underlyingAsset));
  }

  /**
   * @dev Returns the principal debt balance of the user from
   * @return The debt balance of the user since the last burn/mint action
   **/
  function scaledBalanceOf(address user) public view virtual override returns (uint256) {
    return super.balanceOf(user);
  }

  /**
   * @dev Returns the total supply of the variable debt token. Represents the total debt accrued by the users
   * @return The total supply
   **/
  function totalSupply() public view virtual override returns (uint256) {
    ILendPool pool = _getLendPool();
    return super.totalSupply().rayMul(pool.getReserveNormalizedVariableDebt(_underlyingAsset));
  }

  /**
   * @dev Returns the scaled total supply of the variable debt token. Represents sum(debt/index)
   * @return the scaled total supply
   **/
  function scaledTotalSupply() public view virtual override returns (uint256) {
    return super.totalSupply();
  }

  /**
   * @dev Returns the principal balance of the user and principal total supply.
   * @param user The address of the user
   * @return The principal balance of the user
   * @return The principal total supply
   **/
  function getScaledUserBalanceAndSupply(address user) external view override returns (uint256, uint256) {
    return (super.balanceOf(user), super.totalSupply());
  }

  /**
   * @dev Returns the address of the underlying asset of this uToken
   **/
  function UNDERLYING_ASSET_ADDRESS() public view returns (address) {
    return _underlyingAsset;
  }

  /**
   * @dev Returns the address of the incentives controller contract
   **/
  function getIncentivesController() external view override returns (IIncentivesController) {
    return _getIncentivesController();
  }

  /**
   * @dev Returns the address of the lend pool where this token is used
   **/
  function POOL() public view returns (ILendPool) {
    return _getLendPool();
  }

  /**
   * @dev returns the borrow allowance of the user
   * @param fromUser The user to giving allowance
   * @param toUser The user to give allowance to
   * @return the current allowance of toUser
   **/
  function borrowAllowance(address fromUser, address toUser) external view override returns (uint256) {
    return _borrowAllowances[fromUser][toUser];
  }

  function _decreaseBorrowAllowance(address delegator, address delegatee, uint256 amount) internal {
    require(_borrowAllowances[delegator][delegatee] >= amount, Errors.CT_BORROW_ALLOWANCE_NOT_ENOUGH);

    uint256 newAllowance = _borrowAllowances[delegator][delegatee] - amount;
    _borrowAllowances[delegator][delegatee] = newAllowance;

    emit BorrowAllowanceDelegated(delegator, delegatee, _getUnderlyingAssetAddress(), newAllowance);
  }
}

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

pragma solidity ^0.8.0;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To initialize the implementation contract, you can either invoke the
 * initializer manually, or you can include a constructor to automatically mark it as initialized when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() initializer {}
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        // If the contract is initializing we ignore whether _initialized is set in order to support multiple
        // inheritance patterns, but we only do this in the context of a constructor, because in other contexts the
        // contract may have been reentered.
        require(_initializing ? _isConstructor() : !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} modifier, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    function _isConstructor() private view returns (bool) {
        return !AddressUpgradeable.isContract(address(this));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/ERC20.sol)

pragma solidity ^0.8.0;

import "./IERC20Upgradeable.sol";
import "./extensions/IERC20MetadataUpgradeable.sol";
import "../../utils/ContextUpgradeable.sol";
import "../../proxy/utils/Initializable.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 Contracts guidelines: functions revert
 * instead 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 ERC20Upgradeable is Initializable, ContextUpgradeable, IERC20Upgradeable, IERC20MetadataUpgradeable {
    mapping(address => uint256) private _balances;

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

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    function __ERC20_init(string memory name_, string memory symbol_) internal onlyInitializing {
        __Context_init_unchained();
        __ERC20_init_unchained(name_, symbol_);
    }

    function __ERC20_init_unchained(string memory name_, string memory symbol_) internal onlyInitializing {
        _name = name_;
        _symbol = symbol_;
    }

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

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override 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 this function is
     * overridden;
     *
     * 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 virtual override returns (uint8) {
        return 18;
    }

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

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual 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);

        uint256 currentAllowance = _allowances[sender][_msgSender()];
        require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
        unchecked {
            _approve(sender, _msgSender(), currentAllowance - amount);
        }

        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] + 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) {
        uint256 currentAllowance = _allowances[_msgSender()][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(_msgSender(), spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This 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);

        uint256 senderBalance = _balances[sender];
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[sender] = senderBalance - amount;
        }
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);

        _afterTokenTransfer(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:
     *
     * - `account` 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 += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(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);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(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 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 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 {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been 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 _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
    uint256[45] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20MetadataUpgradeable is IERC20Upgradeable {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @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
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165Upgradeable.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721Upgradeable is IERC165Upgradeable {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external;
}

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

pragma solidity ^0.8.0;

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

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

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

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

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

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

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

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

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

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

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

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

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

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

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

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
        __Context_init_unchained();
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165Upgradeable {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

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

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

import {ILendPoolAddressesProvider} from "../interfaces/ILendPoolAddressesProvider.sol";
import {IIncentivesController} from "./IIncentivesController.sol";
import {IScaledBalanceToken} from "./IScaledBalanceToken.sol";

import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import {IERC20MetadataUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol";

/**
 * @title IDebtToken
 * @author BendDao; Forked and edited by Unlockd
 * @notice Defines the basic interface for a debt token.
 **/
interface IDebtToken is IScaledBalanceToken, IERC20Upgradeable, IERC20MetadataUpgradeable {
  /**
   * @dev Emitted when a debt token is initialized
   * @param underlyingAsset The address of the underlying asset
   * @param pool The address of the associated lend pool
   * @param incentivesController The address of the incentives controller
   * @param debtTokenDecimals the decimals of the debt token
   * @param debtTokenName the name of the debt token
   * @param debtTokenSymbol the symbol of the debt token
   **/
  event Initialized(
    address indexed underlyingAsset,
    address indexed pool,
    address incentivesController,
    uint8 debtTokenDecimals,
    string debtTokenName,
    string debtTokenSymbol
  );

  /**
   * @dev Initializes the debt token.
   * @param addressProvider The address of the lend pool
   * @param underlyingAsset The address of the underlying asset
   * @param debtTokenDecimals The decimals of the debtToken, same as the underlying asset's
   * @param debtTokenName The name of the token
   * @param debtTokenSymbol The symbol of the token
   */
  function initialize(
    ILendPoolAddressesProvider addressProvider,
    address underlyingAsset,
    uint8 debtTokenDecimals,
    string memory debtTokenName,
    string memory debtTokenSymbol
  ) external;

  /**
   * @dev Emitted after the mint action
   * @param from The address performing the mint
   * @param value The amount to be minted
   * @param index The last index of the reserve
   **/
  event Mint(address indexed from, uint256 value, uint256 index);

  /**
   * @dev Emitted after setting of addresses as debt token managers
   * @param debtTokenManagers the addresses to be updated
   * @param flag `true` to set addresses as managers, `false` otherwise
   **/
  event TokenManagersUpdated(address[] indexed debtTokenManagers, bool flag);

  /**
   * @dev Mints debt token to the `user` address
   * @param user The address receiving the borrowed underlying
   * @param onBehalfOf The beneficiary of the mint
   * @param amount The amount of debt being minted
   * @param index The variable debt index of the reserve
   * @return `true` if the the previous balance of the user is 0
   **/
  function mint(address user, address onBehalfOf, uint256 amount, uint256 index) external returns (bool);

  /**
   * @dev Emitted when variable debt is burnt
   * @param user The user which debt has been burned
   * @param amount The amount of debt being burned
   * @param index The index of the user
   **/
  event Burn(address indexed user, uint256 amount, uint256 index);

  /**
   * @dev Burns user variable debt
   * @param user The user which debt is burnt
   * @param amount The amount to be burnt
   * @param index The variable debt index of the reserve
   **/
  function burn(address user, uint256 amount, uint256 index) external;

  /**
   * @dev Returns the address of the incentives controller contract
   **/
  function getIncentivesController() external view returns (IIncentivesController);

  /**
   * @dev delegates borrowing power to a user on the specific debt token
   * @param delegatee the address receiving the delegated borrowing power
   * @param amount the maximum amount being delegated. Delegation will still
   * respect the liquidation constraints (even if delegated, a delegatee cannot
   * force a delegator HF to go below 1)
   **/
  function approveDelegation(address delegatee, uint256 amount) external;

  /**
   * @dev returns the borrow allowance of the user
   * @param fromUser The user to giving allowance
   * @param toUser The user to give allowance to
   * @return the current allowance of toUser
   **/
  function borrowAllowance(address fromUser, address toUser) external view returns (uint256);

  /**
   * @dev Updates allowed addresses to be debt token managers
   * @param debtTokenManagers array with addresses to be updated
   * @param flag `true` to set as manager, `false` to unset as manager
   **/
  function updateTokenManagers(address[] calldata debtTokenManagers, bool flag) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

interface IIncentivesController {
  /**
   * @dev Called by the corresponding asset on any update that affects the rewards distribution
   * @param asset The address of the user
   * @param totalSupply The total supply of the asset in the lending pool
   * @param userBalance The balance of the user of the asset in the lending pool
   **/
  function handleAction(
    address asset,
    uint256 totalSupply,
    uint256 userBalance
  ) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

import {ILendPoolAddressesProvider} from "./ILendPoolAddressesProvider.sol";
import {IUToken} from "./IUToken.sol";

import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC721Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC721/IERC721Upgradeable.sol";

import {DataTypes} from "../libraries/types/DataTypes.sol";

interface ILendPool {
  /*//////////////////////////////////////////////////////////////
                          EVENTS
  //////////////////////////////////////////////////////////////*/
  /**
   * @dev Emitted when _rescuer is modified in the LendPool
   * @param newRescuer The address of the new rescuer
   **/
  event RescuerChanged(address indexed newRescuer);

  /**
   * @dev Emitted on deposit()
   * @param user The address initiating the deposit
   * @param amount The amount deposited
   * @param reserve The address of the underlying asset of the reserve
   * @param onBehalfOf The beneficiary of the deposit, receiving the uTokens
   * @param referral The referral code used
   **/
  event Deposit(
    address user,
    address indexed reserve,
    uint256 amount,
    address indexed onBehalfOf,
    uint16 indexed referral
  );

  /**
   * @dev Emitted on withdraw()
   * @param user The address initiating the withdrawal, owner of uTokens
   * @param reserve The address of the underlyng asset being withdrawn
   * @param amount The amount to be withdrawn
   * @param to Address that will receive the underlying
   **/
  event Withdraw(address indexed user, address indexed reserve, uint256 amount, address indexed to);

  /**
   * @dev Emitted on borrow() when loan needs to be opened
   * @param user The address of the user initiating the borrow(), receiving the funds
   * @param reserve The address of the underlying asset being borrowed
   * @param amount The amount borrowed out
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token id of the underlying NFT used as collateral
   * @param onBehalfOf The address that will be getting the loan
   * @param referral The referral code used
   * @param nftConfigFee an estimated gas cost fee for configuring the NFT
   **/
  event Borrow(
    address user,
    address indexed reserve,
    uint256 amount,
    address nftAsset,
    uint256 nftTokenId,
    address indexed onBehalfOf,
    uint256 borrowRate,
    uint256 loanId,
    uint16 indexed referral,
    uint256 nftConfigFee
  );

  /**
   * @dev Emitted on repay()
   * @param user The address of the user initiating the repay(), providing the funds
   * @param reserve The address of the underlying asset of the reserve
   * @param amount The amount repaid
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token id of the underlying NFT used as collateral
   * @param borrower The beneficiary of the repayment, getting his debt reduced
   * @param loanId The loan ID of the NFT loans
   **/
  event Repay(
    address user,
    address indexed reserve,
    uint256 amount,
    address indexed nftAsset,
    uint256 nftTokenId,
    address indexed borrower,
    uint256 loanId
  );

  /**
   * @dev Emitted when a borrower's loan is auctioned.
   * @param user The address of the user initiating the auction
   * @param reserve The address of the underlying asset of the reserve
   * @param bidPrice The price of the underlying reserve given by the bidder
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token id of the underlying NFT used as collateral
   * @param onBehalfOf The address that will be getting the NFT
   * @param loanId The loan ID of the NFT loans
   **/
  event Auction(
    address user,
    address indexed reserve,
    uint256 bidPrice,
    address indexed nftAsset,
    uint256 nftTokenId,
    address onBehalfOf,
    address indexed borrower,
    uint256 loanId
  );

  /**
   * @dev Emitted on redeem()
   * @param user The address of the user initiating the redeem(), providing the funds
   * @param reserve The address of the underlying asset of the reserve
   * @param borrowAmount The borrow amount repaid
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token id of the underlying NFT used as collateral
   * @param loanId The loan ID of the NFT loans
   **/
  event Redeem(
    address user,
    address indexed reserve,
    uint256 borrowAmount,
    uint256 fineAmount,
    address indexed nftAsset,
    uint256 nftTokenId,
    address indexed borrower,
    uint256 loanId
  );

  /**
   * @dev Emitted when a borrower's loan is liquidated.
   * @param user The address of the user initiating the auction
   * @param reserve The address of the underlying asset of the reserve
   * @param repayAmount The amount of reserve repaid by the liquidator
   * @param remainAmount The amount of reserve received by the borrower
   * @param loanId The loan ID of the NFT loans
   **/
  event Liquidate(
    address user,
    address indexed reserve,
    uint256 repayAmount,
    uint256 remainAmount,
    address indexed nftAsset,
    uint256 nftTokenId,
    address indexed borrower,
    uint256 loanId
  );

  /**
   * @dev Emitted when an NFT is purchased via Buyout.
   * @param user The address of the user initiating the Buyout
   * @param reserve The address of the underlying asset of the reserve
   * @param buyoutAmount The amount of reserve paid by the buyer
   * @param borrowAmount The loan borrowed amount
   * @param nftAsset The amount of reserve received by the borrower
   * @param nftTokenId The token id of the underlying NFT used as collateral
   * @param borrower The loan borrower address
   * @param onBehalfOf The receiver of the underlying NFT
   * @param loanId The loan ID of the NFT loans
   **/
  event Buyout(
    address user,
    address indexed reserve,
    uint256 buyoutAmount,
    uint256 borrowAmount,
    address indexed nftAsset,
    uint256 nftTokenId,
    address borrower,
    address onBehalfOf,
    uint256 indexed loanId
  );

  /**
   * @dev Emitted when an NFT configuration is triggered.
   * @param user The NFT holder
   * @param nftAsset The NFT collection address
   * @param nftTokenId The NFT token Id
   **/
  event ValuationApproved(address indexed user, address indexed nftAsset, uint256 indexed nftTokenId);
  /**
   * @dev Emitted when the pause is triggered.
   */
  event Paused();

  /**
   * @dev Emitted when the pause is lifted.
   */
  event Unpaused();

  /**
   * @dev Emitted when the pause time is updated.
   */
  event PausedTimeUpdated(uint256 startTime, uint256 durationTime);

  /**
   * @dev Emitted when the state of a reserve is updated. NOTE: This event is actually declared
   * in the ReserveLogic library and emitted in the updateInterestRates() function. Since the function is internal,
   * the event will actually be fired by the LendPool contract. The event is therefore replicated here so it
   * gets added to the LendPool ABI
   * @param reserve The address of the underlying asset of the reserve
   * @param liquidityRate The new liquidity rate
   * @param variableBorrowRate The new variable borrow rate
   * @param liquidityIndex The new liquidity index
   * @param variableBorrowIndex The new variable borrow index
   **/
  event ReserveDataUpdated(
    address indexed reserve,
    uint256 liquidityRate,
    uint256 variableBorrowRate,
    uint256 liquidityIndex,
    uint256 variableBorrowIndex
  );

  /**
  @dev Emitted after the address of the interest rate strategy contract has been updated
  */
  event ReserveInterestRateAddressChanged(address indexed asset, address indexed rateAddress);

  /**
  @dev Emitted after setting the configuration bitmap of the reserve as a whole
  */
  event ReserveConfigurationChanged(address indexed asset, uint256 configuration);

  /**
  @dev Emitted after setting the configuration bitmap of the NFT collection as a whole
  */
  event NftConfigurationChanged(address indexed asset, uint256 configuration);

  /**
  @dev Emitted after setting the configuration bitmap of the NFT as a whole
  */
  event NftConfigurationByIdChanged(address indexed asset, uint256 indexed nftTokenId, uint256 configuration);

  /**
  @dev Emitted after setting the new safe health factor value for redeems
  */
  event SafeHealthFactorUpdated(uint256 indexed newSafeHealthFactor);

  /*//////////////////////////////////////////////////////////////
                          RESCUERS
  //////////////////////////////////////////////////////////////*/
  /**
   * @notice Returns current rescuer
   * @return Rescuer's address
   */
  function rescuer() external view returns (address);

  /**
   * @notice Assigns the rescuer role to a given address.
   * @param newRescuer New rescuer's address
   */
  function updateRescuer(address newRescuer) external;

  /**
   * @notice Rescue tokens or ETH locked up in this contract.
   * @param tokenContract ERC20 token contract address
   * @param to        Recipient address
   * @param amount    Amount to withdraw
   * @param rescueETH bool to know if we want to rescue ETH or other token
   */
  function rescue(IERC20 tokenContract, address to, uint256 amount, bool rescueETH) external;

  /**
   * @notice Rescue NFTs locked up in this contract.
   * @param nftAsset ERC721 asset contract address
   * @param tokenId ERC721 token id
   * @param to Recipient address
   */
  function rescueNFT(IERC721Upgradeable nftAsset, uint256 tokenId, address to) external;

  /*//////////////////////////////////////////////////////////////
                        MAIN LOGIC
  //////////////////////////////////////////////////////////////*/
  /**
   * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying uTokens.
   * - E.g. User deposits 100 USDC and gets in return 100 uusdc
   * @param reserve The address of the underlying asset to deposit
   * @param amount The amount to be deposited
   * @param onBehalfOf The address that will receive the uTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of uTokens
   *   is a different wallet
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   **/
  function deposit(address reserve, uint256 amount, address onBehalfOf, uint16 referralCode) external;

  /**
   * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent uTokens owned
   * E.g. User has 100 uusdc, calls withdraw() and receives 100 USDC, burning the 100 uusdc
   * @param reserve The address of the underlying asset to withdraw
   * @param amount The underlying amount to be withdrawn
   *   - Send the value type(uint256).max in order to withdraw the whole uToken balance
   * @param to Address that will receive the underlying, same as msg.sender if the user
   *   wants to receive it on his own wallet, or a different address if the beneficiary is a
   *   different wallet
   * @return The final amount withdrawn
   **/
  function withdraw(address reserve, uint256 amount, address to) external returns (uint256);

  /**
   * @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
   * already deposited enough collateral
   * - E.g. User borrows 100 USDC, receiving the 100 USDC in his wallet
   *   and lock collateral asset in contract
   * @param reserveAsset The address of the underlying asset to borrow
   * @param amount The amount to be borrowed
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token ID of the underlying NFT used as collateral
   * @param onBehalfOf Address of the user who will receive the loan. Should be the address of the borrower itself
   * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator
   * if he has been given credit delegation allowance
   * @param referralCode Code used to register the integrator originating the operation, for potential rewards.
   *   0 if the action is executed directly by the user, without any middle-man
   **/
  function borrow(
    address reserveAsset,
    uint256 amount,
    address nftAsset,
    uint256 nftTokenId,
    address onBehalfOf,
    uint16 referralCode
  ) external;

  /**
   * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent loan owned
   * - E.g. User repays 100 USDC, burning loan and receives collateral asset
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token ID of the underlying NFT used as collateral
   * @param amount The amount to repay
   * @return The final amount repaid, loan is burned or not
   **/
  function repay(address nftAsset, uint256 nftTokenId, uint256 amount) external returns (uint256, bool);

  /**
   * @dev Function to auction a non-healthy position collateral-wise
   * - The caller (liquidator) want to buy collateral asset of the user getting liquidated
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token ID of the underlying NFT used as collateral
   * @param bidPrice The bid price of the liquidator want to buy the underlying NFT
   * @param onBehalfOf Address of the user who will get the underlying NFT, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of NFT
   *   is a different wallet
   **/
  function auction(address nftAsset, uint256 nftTokenId, uint256 bidPrice, address onBehalfOf) external;

  /**
   * @dev Function to buyout a non-healthy position collateral-wise
   * - The bidder want to buy collateral asset of the user getting liquidated
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token ID of the underlying NFT used as collateral
   * @param buyoutAmount The buyout price of the underlying NFT
   * @param onBehalfOf Address of the user who will get the underlying NFT, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of NFT
   *   is a different wallet
   **/
  function buyout(address nftAsset, uint256 nftTokenId, uint256 buyoutAmount, address onBehalfOf) external;

  /**
   * @notice Redeem a NFT loan which state is in Auction
   * - E.g. User repays 100 USDC, burning loan and receives collateral asset
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token ID of the underlying NFT used as collateral
   * @param amount The amount to repay the debt
   * @param bidFine The amount of bid fine
   **/
  function redeem(address nftAsset, uint256 nftTokenId, uint256 amount, uint256 bidFine) external returns (uint256);

  /**
   * @dev Function to liquidate a non-healthy position collateral-wise
   * - The caller (liquidator) buy collateral asset of the user getting liquidated, and receives
   *   the collateral asset
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token ID of the underlying NFT used as collateral
   **/
  function liquidate(address nftAsset, uint256 nftTokenId, uint256 amount) external returns (uint256);

  /**
   * @dev Approves valuation of an NFT for a user
   * @dev Just the NFT holder can trigger the configuration
   * @param nftAsset The address of the underlying NFT used as collateral
   * @param nftTokenId The token ID of the underlying NFT used as collateral
   **/
  function approveValuation(address nftAsset, uint256 nftTokenId) external payable;

  /**
   * @dev Validates and finalizes an uToken transfer
   * - Only callable by the overlying uToken of the `asset`
   * @param asset The address of the underlying asset of the uToken
   * @param from The user from which the uTokens are transferred
   * @param to The user receiving the uTokens
   * @param amount The amount being transferred/withdrawn
   * @param balanceFromBefore The uToken balance of the `from` user before the transfer
   * @param balanceToBefore The uToken balance of the `to` user before the transfer
   */
  function finalizeTransfer(
    address asset,
    address from,
    address to,
    uint256 amount,
    uint256 balanceFromBefore,
    uint256 balanceToBefore
  ) external view;

  /**
   * @dev Initializes a reserve, activating it, assigning an uToken and nft loan and an
   * interest rate strategy
   * - Only callable by the LendPoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param uTokenAddress The address of the uToken that will be assigned to the reserve
   * @param debtTokenAddress The address of the debtToken that will be assigned to the reserve
   * @param interestRateAddress The address of the interest rate strategy contract
   **/
  function initReserve(
    address asset,
    address uTokenAddress,
    address debtTokenAddress,
    address interestRateAddress
  ) external;

  /**
   * @dev Initializes a nft, activating it, assigning nft loan and an
   * interest rate strategy
   * - Only callable by the LendPoolConfigurator contract
   * @param asset The address of the underlying asset of the nft
   **/
  function initNft(address asset, address uNftAddress) external;

  /**
   * @dev Transfer the last bid amount to the bidder
   * @param reserveAsset address of the reserver asset (WETH)
   * @param bidder the bidder address
   * @param bidAmount  the bid amount
   */
  function transferBidAmount(address reserveAsset, address bidder, uint256 bidAmount) external;

  /*//////////////////////////////////////////////////////////////
                        GETTERS & SETTERS
  //////////////////////////////////////////////////////////////*/
  /**
   * @dev Returns the cached LendPoolAddressesProvider connected to this contract
   **/

  function getAddressesProvider() external view returns (ILendPoolAddressesProvider);

  /**
   * @dev Returns the normalized income normalized income of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve's normalized income
   */
  function getReserveNormalizedIncome(address asset) external view returns (uint256);

  /**
   * @dev Returns the normalized variable debt per unit of asset
   * @param asset The address of the underlying asset of the reserve
   * @return The reserve normalized variable debt
   */
  function getReserveNormalizedVariableDebt(address asset) external view returns (uint256);

  /**
   * @dev Returns the state and configuration of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The state of the reserve
   **/
  function getReserveData(address asset) external view returns (DataTypes.ReserveData memory);

  /**
   * @dev Returns the list of the initialized reserves
   * @return the list of initialized reserves
   **/
  function getReservesList() external view returns (address[] memory);

  /**
   * @dev Returns the state and configuration of the nft
   * @param asset The address of the underlying asset of the nft
   * @return The status of the nft
   **/
  function getNftData(address asset) external view returns (DataTypes.NftData memory);

  /**
   * @dev Returns the configuration of the nft asset
   * @param asset The address of the underlying asset of the nft
   * @param tokenId NFT asset ID
   * @return The configuration of the nft asset
   **/
  function getNftAssetConfig(
    address asset,
    uint256 tokenId
  ) external view returns (DataTypes.NftConfigurationMap memory);

  /**
   * @dev Returns the loan data of the NFT
   * @param nftAsset The address of the NFT
   * @param reserveAsset The address of the Reserve
   * @return totalCollateralInETH the total collateral in ETH of the NFT
   * @return totalCollateralInReserve the total collateral in Reserve of the NFT
   * @return availableBorrowsInETH the borrowing power in ETH of the NFT
   * @return availableBorrowsInReserve the borrowing power in Reserve of the NFT
   * @return ltv the loan to value of the user
   * @return liquidationThreshold the liquidation threshold of the NFT
   * @return liquidationBonus the liquidation bonus of the NFT
   **/
  function getNftCollateralData(
    address nftAsset,
    uint256 nftTokenId,
    address reserveAsset
  )
    external
    view
    returns (
      uint256 totalCollateralInETH,
      uint256 totalCollateralInReserve,
      uint256 availableBorrowsInETH,
      uint256 availableBorrowsInReserve,
      uint256 ltv,
      uint256 liquidationThreshold,
      uint256 liquidationBonus
    );

  /**
   * @dev Returns the debt data of the NFT
   * @param nftAsset The address of the NFT
   * @param nftTokenId The token id of the NFT
   * @return loanId the loan id of the NFT
   * @return reserveAsset the address of the Reserve
   * @return totalCollateral the total power of the NFT
   * @return totalDebt the total debt of the NFT
   * @return availableBorrows the borrowing power left of the NFT
   * @return healthFactor the current health factor of the NFT
   **/
  function getNftDebtData(
    address nftAsset,
    uint256 nftTokenId
  )
    external
    view
    returns (
      uint256 loanId,
      address reserveAsset,
      uint256 totalCollateral,
      uint256 totalDebt,
      uint256 availableBorrows,
      uint256 healthFactor
    );

  /**
   * @dev Returns the auction data of the NFT
   * @param nftAsset The address of the NFT
   * @param nftTokenId The token id of the NFT
   * @return loanId the loan id of the NFT
   * @return bidderAddress the highest bidder address of the loan
   * @return bidPrice the highest bid price in Reserve of the loan
   * @return bidBorrowAmount the borrow amount in Reserve of the loan
   * @return bidFine the penalty fine of the loan
   **/
  function getNftAuctionData(
    address nftAsset,
    uint256 nftTokenId
  )
    external
    view
    returns (uint256 loanId, address bidderAddress, uint256 bidPrice, uint256 bidBorrowAmount, uint256 bidFine);

  /**
   * @dev Returns the list of nft addresses in the protocol
   **/
  function getNftsList() external view returns (address[] memory);

  /**
   * @dev Returns the configuration of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The configuration of the reserve
   **/
  function getReserveConfiguration(address asset) external view returns (DataTypes.ReserveConfigurationMap memory);

  /**
   * @dev Sets the configuration bitmap of the reserve as a whole
   * - Only callable by the LendPoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param configuration The new configuration bitmap
   **/
  function setReserveConfiguration(address asset, uint256 configuration) external;

  /**
   * @dev Returns the configuration of the NFT
   * @param asset The address of the asset of the NFT
   * @return The configuration of the NFT
   **/
  function getNftConfiguration(address asset) external view returns (DataTypes.NftConfigurationMap memory);

  /**
   * @dev Sets the configuration bitmap of the NFT as a whole
   * - Only callable by the LendPoolConfigurator contract
   * @param asset The address of the asset of the NFT
   * @param configuration The new configuration bitmap
   **/
  function setNftConfiguration(address asset, uint256 configuration) external;

  /**
   * @dev Returns the configuration of the NFT
   * @param asset The address of the asset of the NFT
   * @param tokenId the Token Id of the NFT
   * @return The configuration of the NFT
   **/
  function getNftConfigByTokenId(
    address asset,
    uint256 tokenId
  ) external view returns (DataTypes.NftConfigurationMap memory);

  /**
   * @dev Sets the configuration bitmap of the NFT as a whole
   * - Only callable by the LendPoolConfigurator contract
   * @param asset The address of the asset of the NFT
   * @param nftTokenId the NFT tokenId
   * @param configuration The new configuration bitmap
   **/
  function setNftConfigByTokenId(address asset, uint256 nftTokenId, uint256 configuration) external;

  /**
   * @dev Returns if the LendPool is paused
   */
  function paused() external view returns (bool);

  /**
   * @dev Set the _pause state of a reserve
   * - Only callable by the LendPool contract
   * @param val `true` to pause the reserve, `false` to un-pause it
   */
  function setPause(bool val) external;

  /**
   * @dev Returns the _pause time of a reserve
   */
  function getPausedTime() external view returns (uint256, uint256);

  /**
   * @dev Set the _pause state of the auctions
   * @param startTime when it will start to pause
   * @param durationTime how long it will pause
   */
  function setPausedTime(uint256 startTime, uint256 durationTime) external;

  /**
   * @dev Returns the bidDelta percentage - debt compounded + fees.
   **/
  function getBidDelta() external view returns (uint256);

  /**
   * @dev sets the bidDelta percentage - debt compounded + fees.
   * @param bidDelta the amount to charge to the user
   **/
  function setBidDelta(uint256 bidDelta) external;

  /**
   * @dev Returns the max timeframe between NFT config triggers and borrows
   **/
  function getTimeframe() external view returns (uint256);

  /**
   * @dev Sets the max timeframe between NFT config triggers and borrows
   * @param timeframe the number of seconds for the timeframe
   **/
  function setTimeframe(uint256 timeframe) external;

  /**
   * @dev Returns the configFee amount
   **/
  function getConfigFee() external view returns (uint256);

  /**
   * @dev sets the fee for configuringNFTAsCollateral
   * @param configFee the amount to charge to the user
   **/
  function setConfigFee(uint256 configFee) external;

  /**
   * @dev Returns the auctionDurationConfigFee amount
   **/
  function getAuctionDurationConfigFee() external view returns (uint256);

  /**
   * @dev sets the fee to be charged on first bid on nft
   * @param auctionDurationConfigFee the amount to charge to the user
   **/
  function setAuctionDurationConfigFee(uint256 auctionDurationConfigFee) external;

  /**
   * @dev Returns the maximum number of reserves supported to be listed in this LendPool
   */
  function getMaxNumberOfReserves() external view returns (uint256);

  /**
   * @dev Sets the max number of reserves in the protocol
   * @param val the value to set the max number of reserves
   **/
  function setMaxNumberOfReserves(uint256 val) external;

  /**
   * @notice Returns current safe health factor
   * @return The safe health factor value
   */
  function getSafeHealthFactor() external view returns (uint256);

  /**
   * @notice Update the safe health factor value for redeems
   * @param newSafeHealthFactor New safe health factor value
   */
  function updateSafeHealthFactor(uint256 newSafeHealthFactor) external;

  /**
   * @dev Returns the maximum number of nfts supported to be listed in this LendPool
   */
  function getMaxNumberOfNfts() external view returns (uint256);

  /**
   * @dev Sets the max number of NFTs in the protocol
   * @param val the value to set the max number of NFTs
   **/
  function setMaxNumberOfNfts(uint256 val) external;

  /**
   * @dev Returns the fee percentage for liquidations
   **/
  function getLiquidateFeePercentage() external view returns (uint256);

  /**
   * @dev Sets the fee percentage for liquidations
   * @param percentage the fee percentage to be set
   **/
  function setLiquidateFeePercentage(uint256 percentage) external;

  /**
   * @dev Updates the address of the interest rate strategy contract
   * - Only callable by the LendPoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param rateAddress The address of the interest rate strategy contract
   **/
  function setReserveInterestRateAddress(address asset, address rateAddress) external;

  /**
   * @dev Sets the max supply and token ID for a given asset
   * @param asset The address to set the data
   * @param maxSupply The max supply value
   * @param maxTokenId The max token ID value
   **/
  function setNftMaxSupplyAndTokenId(address asset, uint256 maxSupply, uint256 maxTokenId) external;

  /**
   * @dev Updates the liquidity cumulative index and the variable borrow index.
   * @param reserve the reserve object
   **/
  function updateReserveState(address reserve) external;

  /**
   * @dev Updates the reserve current stable borrow rate, the current variable borrow rate and the current liquidity rate
   * @param reserve The address of the reserve to be updated
   **/
  function updateReserveInterestRates(address reserve) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

/**
 * @title LendPoolAddressesProvider contract
 * @dev Main registry of addresses part of or connected to the protocol, including permissioned roles
 * - Acting also as factory of proxies and admin of those, so with right to change its implementations
 * - Owned by the Unlockd Governance
 * @author BendDao; Forked and edited by Unlockd
 **/
interface ILendPoolAddressesProvider {
  event MarketIdSet(string newMarketId);
  event LendPoolUpdated(address indexed newAddress, bytes encodedCallData);
  event ConfigurationAdminUpdated(address indexed newAddress);
  event EmergencyAdminUpdated(address indexed newAddress);
  event LendPoolConfiguratorUpdated(address indexed newAddress, bytes encodedCallData);
  event ReserveOracleUpdated(address indexed newAddress);
  event NftOracleUpdated(address indexed newAddress);
  event LendPoolLoanUpdated(address indexed newAddress, bytes encodedCallData);
  event ProxyCreated(bytes32 id, address indexed newAddress);
  event AddressSet(bytes32 id, address indexed newAddress, bool hasProxy, bytes encodedCallData);
  event UNFTRegistryUpdated(address indexed newAddress);
  event IncentivesControllerUpdated(address indexed newAddress);
  event UIDataProviderUpdated(address indexed newAddress);
  event UnlockdDataProviderUpdated(address indexed newAddress);
  event WalletBalanceProviderUpdated(address indexed newAddress);
  event LendPoolLiquidatorUpdated(address indexed newAddress);
  event LtvManagerUpdated(address indexed newAddress);

  /**
   * @dev Returns the id of the Unlockd market to which this contracts points to
   * @return The market id
   **/
  function getMarketId() external view returns (string memory);

  /**
   * @dev Allows to set the market which this LendPoolAddressesProvider represents
   * @param marketId The market id
   */
  function setMarketId(string calldata marketId) external;

  /**
   * @dev Sets an address for an id replacing the address saved in the addresses map
   * IMPORTANT Use this function carefully, as it will do a hard replacement
   * @param id The id
   * @param newAddress The address to set
   */
  function setAddress(bytes32 id, address newAddress) external;

  /**
   * @dev General function to update the implementation of a proxy registered with
   * certain `id`. If there is no proxy registered, it will instantiate one and
   * set as implementation the `implementationAddress`
   * IMPORTANT Use this function carefully, only for ids that don't have an explicit
   * setter function, in order to avoid unexpected consequences
   * @param id The id
   * @param impl The address of the new implementation
   */
  function setAddressAsProxy(bytes32 id, address impl, bytes memory encodedCallData) external;

  /**
   * @dev Returns an address by id
   * @return The address
   */
  function getAddress(bytes32 id) external view returns (address);

  /**
   * @dev Returns the address of the LendPool proxy
   * @return The LendPool proxy address
   **/
  function getLendPool() external view returns (address);

  /**
   * @dev Updates the implementation of the LendPool, or creates the proxy
   * setting the new `pool` implementation on the first time calling it
   * @param pool The new LendPool implementation
   * @param encodedCallData calldata to execute
   **/
  function setLendPoolImpl(address pool, bytes memory encodedCallData) external;

  /**
   * @dev Returns the address of the LendPoolConfigurator proxy
   * @return The LendPoolConfigurator proxy address
   **/
  function getLendPoolConfigurator() external view returns (address);

  /**
   * @dev Updates the implementation of the LendPoolConfigurator, or creates the proxy
   * setting the new `configurator` implementation on the first time calling it
   * @param configurator The new LendPoolConfigurator implementation
   * @param encodedCallData calldata to execute
   **/
  function setLendPoolConfiguratorImpl(address configurator, bytes memory encodedCallData) external;

  /**
   * @dev returns the address of the LendPool admin
   * @return the LendPoolAdmin address
   **/
  function getPoolAdmin() external view returns (address);

  /**
   * @dev sets the address of the LendPool admin
   * @param admin the LendPoolAdmin address
   **/
  function setPoolAdmin(address admin) external;

  /**
   * @dev returns the address of the emergency admin
   * @return the EmergencyAdmin address
   **/
  function getEmergencyAdmin() external view returns (address);

  /**
   * @dev sets the address of the emergency admin
   * @param admin the EmergencyAdmin address
   **/
  function setEmergencyAdmin(address admin) external;

  /**
   * @dev returns the address of the reserve oracle
   * @return the ReserveOracle address
   **/
  function getReserveOracle() external view returns (address);

  /**
   * @dev sets the address of the reserve oracle
   * @param reserveOracle the ReserveOracle address
   **/
  function setReserveOracle(address reserveOracle) external;

  /**
   * @dev returns the address of the NFT oracle
   * @return the NFTOracle address
   **/
  function getNFTOracle() external view returns (address);

  /**
   * @dev sets the address of the NFT oracle
   * @param nftOracle the NFTOracle address
   **/
  function setNFTOracle(address nftOracle) external;

  /**
   * @dev returns the address of the lendpool loan
   * @return the LendPoolLoan address
   **/
  function getLendPoolLoan() external view returns (address);

  /**
   * @dev sets the address of the lendpool loan
   * @param loan the LendPoolLoan address
   * @param encodedCallData calldata to execute
   **/
  function setLendPoolLoanImpl(address loan, bytes memory encodedCallData) external;

  /**
   * @dev returns the address of the UNFT Registry
   * @return the UNFTRegistry address
   **/
  function getUNFTRegistry() external view returns (address);

  /**
   * @dev sets the address of the UNFT registry
   * @param factory the UNFTRegistry address
   **/
  function setUNFTRegistry(address factory) external;

  /**
   * @dev returns the address of the incentives controller
   * @return the IncentivesController address
   **/
  function getIncentivesController() external view returns (address);

  /**
   * @dev sets the address of the incentives controller
   * @param controller the IncentivesController address
   **/
  function setIncentivesController(address controller) external;

  /**
   * @dev returns the address of the UI data provider
   * @return the UIDataProvider address
   **/
  function getUIDataProvider() external view returns (address);

  /**
   * @dev sets the address of the UI data provider
   * @param provider the UIDataProvider address
   **/
  function setUIDataProvider(address provider) external;

  /**
   * @dev returns the address of the Unlockd data provider
   * @return the UnlockdDataProvider address
   **/
  function getUnlockdDataProvider() external view returns (address);

  /**
   * @dev sets the address of the Unlockd data provider
   * @param provider the UnlockdDataProvider address
   **/
  function setUnlockdDataProvider(address provider) external;

  /**
   * @dev returns the address of the wallet balance provider
   * @return the WalletBalanceProvider address
   **/
  function getWalletBalanceProvider() external view returns (address);

  /**
   * @dev sets the address of the wallet balance provider
   * @param provider the WalletBalanceProvider address
   **/
  function setWalletBalanceProvider(address provider) external;

  /**
   * @dev returns the address of the LendPool liquidator contract
   **/
  function getLendPoolLiquidator() external view returns (address);

  /**
   * @dev sets the address of the LendPool liquidator contract
   * @param liquidator the LendPool liquidator address
   **/
  function setLendPoolLiquidator(address liquidator) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

interface ILendPoolConfigurator {
  struct ConfigReserveInput {
    address asset;
    uint256 reserveFactor;
  }

  struct ConfigNftInput {
    address asset;
    uint256 tokenId;
    uint256 baseLTV;
    uint256 liquidationThreshold;
    uint256 liquidationBonus;
    uint256 redeemDuration;
    uint256 auctionDuration;
    uint256 redeemFine;
    uint256 redeemThreshold;
    uint256 minBidFine;
    uint256 maxSupply;
    uint256 maxTokenId;
  }

  struct ConfigNftAsCollateralInput {
    address asset;
    uint256 nftTokenId;
    uint256 newPrice;
    uint256 ltv;
    uint256 liquidationThreshold;
    uint256 redeemThreshold;
    uint256 liquidationBonus;
    uint256 redeemDuration;
    uint256 auctionDuration;
    uint256 redeemFine;
    uint256 minBidFine;
  }

  /**
   * @dev Emitted when a reserve is initialized.
   * @param asset The address of the underlying asset of the reserve
   * @param uToken The address of the associated uToken contract
   * @param debtToken The address of the associated debtToken contract
   * @param interestRateAddress The address of the interest rate strategy for the reserve
   **/
  event ReserveInitialized(
    address indexed asset,
    address indexed uToken,
    address debtToken,
    address interestRateAddress
  );

  /**
   * @dev Emitted when borrowing is enabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  event BorrowingEnabledOnReserve(address indexed asset);

  /**
   * @dev Emitted when borrowing is disabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   **/
  event BorrowingDisabledOnReserve(address indexed asset);

  /**
   * @dev Emitted when a reserve is activated
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveActivated(address indexed asset);

  /**
   * @dev Emitted when a reserve is deactivated
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveDeactivated(address indexed asset);

  /**
   * @dev Emitted when a reserve is frozen
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveFrozen(address indexed asset);

  /**
   * @dev Emitted when a reserve is unfrozen
   * @param asset The address of the underlying asset of the reserve
   **/
  event ReserveUnfrozen(address indexed asset);

  /**
   * @dev Emitted when a reserve factor is updated
   * @param asset The address of the underlying asset of the reserve
   * @param factor The new reserve factor
   **/
  event ReserveFactorChanged(address indexed asset, uint256 factor);

  /**
   * @dev Emitted when the reserve decimals are updated
   * @param asset The address of the underlying asset of the reserve
   * @param decimals The new decimals
   **/
  event ReserveDecimalsChanged(address indexed asset, uint256 decimals);

  /**
   * @dev Emitted when a reserve interest strategy contract is updated
   * @param asset The address of the underlying asset of the reserve
   * @param strategy The new address of the interest strategy contract
   **/
  event ReserveInterestRateChanged(address indexed asset, address strategy);

  /**
   * @dev Emitted when a nft is initialized.
   * @param asset The address of the underlying asset of the nft
   * @param uNft The address of the associated uNFT contract
   **/
  event NftInitialized(address indexed asset, address indexed uNft);

  /**
   * @dev Emitted when the collateralization risk parameters for the specified NFT are updated.
   * @param asset The address of the underlying asset of the NFT
   * @param tokenId token ID
   * @param ltv The loan to value of the asset when used as NFT
   * @param liquidationThreshold The threshold at which loans using this asset as NFT will be considered undercollateralized
   * @param liquidationBonus The bonus liquidators receive to liquidate this asset
   **/
  event NftConfigurationChanged(
    address indexed asset,
    uint256 indexed tokenId,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus
  );

  /**
   * @dev Emitted when a NFT is activated
   * @param asset The address of the underlying asset of the NFT
   **/
  event NftActivated(address indexed asset);

  /**
   * @dev Emitted when a NFT is deactivated
   * @param asset The address of the underlying asset of the NFT
   **/
  event NftDeactivated(address indexed asset);

  /**
   * @dev Emitted when a NFT token is activated
   * @param asset The address of the underlying asset of the NFT
   * @param nftTokenId The token id of the underlying asset of the NFT
   **/
  event NftTokenActivated(address indexed asset, uint256 indexed nftTokenId);

  /**
   * @dev Emitted when a NFT token is deactivated
   * @param asset The address of the underlying asset of the NFT
   * @param nftTokenId The token id of the underlying asset of the NFT
   **/
  event NftTokenDeactivated(address indexed asset, uint256 indexed nftTokenId);

  /**
   * @dev Emitted when a NFT is frozen
   * @param asset The address of the underlying asset of the NFT
   **/
  event NftFrozen(address indexed asset);

  /**
   * @dev Emitted when a NFT is unfrozen
   * @param asset The address of the underlying asset of the NFT
   **/
  event NftUnfrozen(address indexed asset);

  /**
   * @dev Emitted when a NFT is frozen
   * @param asset The address of the underlying asset of the NFT
   * @param nftTokenId The token id of the underlying asset of the NFT
   **/
  event NftTokenFrozen(address indexed asset, uint256 indexed nftTokenId);

  /**
   * @dev Emitted when a NFT is unfrozen
   * @param asset The address of the underlying asset of the NFT
   * @param nftTokenId The token id of the underlying asset of the NFT
   **/
  event NftTokenUnfrozen(address indexed asset, uint256 indexed nftTokenId);

  /**
   * @dev Emitted when a redeem duration is updated
   * @param asset The address of the underlying asset of the NFT
   * @param tokenId token ID
   * @param redeemDuration The new redeem duration
   * @param auctionDuration The new redeem duration
   * @param redeemFine The new redeem fine
   **/
  event NftAuctionChanged(
    address indexed asset,
    uint256 indexed tokenId,
    uint256 redeemDuration,
    uint256 auctionDuration,
    uint256 redeemFine
  );
  /**
   * @dev Emitted when a redeem threshold is modified
   * @param asset The address of the underlying asset of the NFT
   * @param tokenId token ID
   * @param redeemThreshold The new redeem threshold
   **/
  event NftRedeemThresholdChanged(address indexed asset, uint256 indexed tokenId, uint256 redeemThreshold);
  /**
   * @dev Emitted when a min bid fine is modified
   * @param asset The address of the underlying asset of the NFT
   * @param tokenId token ID
   * @param minBidFine The new min bid fine
   **/
  event NftMinBidFineChanged(address indexed asset, uint256 indexed tokenId, uint256 minBidFine);
  /**
   * @dev Emitted when an asset's max supply and max token Id is modified
   * @param asset The address of the underlying asset of the NFT
   * @param maxSupply The new max supply
   * @param maxTokenId The new max token Id
   **/
  event NftMaxSupplyAndTokenIdChanged(address indexed asset, uint256 maxSupply, uint256 maxTokenId);

  /**
   * @dev Emitted when an uToken implementation is upgraded
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The uToken proxy address
   * @param implementation The new uToken implementation
   **/
  event UTokenUpgraded(address indexed asset, address indexed proxy, address indexed implementation);

  /**
   * @dev Emitted when the implementation of a debt token is upgraded
   * @param asset The address of the underlying asset of the reserve
   * @param proxy The debt token proxy address
   * @param implementation The new debtToken implementation
   **/
  event DebtTokenUpgraded(address indexed asset, address indexed proxy, address indexed implementation);

  /**
   * @dev Emitted when the lend pool rescuer is updated
   * @param rescuer the new rescuer address
   **/
  event RescuerUpdated(address indexed rescuer);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

interface IScaledBalanceToken {
  /**
   * @dev Returns the scaled balance of the user. The scaled balance is the sum of all the
   * updated stored balance divided by the reserve's liquidity index at the moment of the update
   * @param user The user whose balance is calculated
   * @return The scaled balance of the user
   **/
  function scaledBalanceOf(address user) external view returns (uint256);

  /**
   * @dev Returns the scaled balance of the user and the scaled total supply.
   * @param user The address of the user
   * @return The scaled balance of the user
   * @return The scaled balance and the scaled total supply
   **/
  function getScaledUserBalanceAndSupply(address user) external view returns (uint256, uint256);

  /**
   * @dev Returns the scaled total supply of the variable debt token. Represents sum(debt/index)
   * @return The scaled total supply
   **/
  function scaledTotalSupply() external view returns (uint256);
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

import {ILendPoolAddressesProvider} from "./ILendPoolAddressesProvider.sol";
import {IIncentivesController} from "./IIncentivesController.sol";
import {IScaledBalanceToken} from "./IScaledBalanceToken.sol";

import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import {IERC20MetadataUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol";

interface IUToken is IScaledBalanceToken, IERC20Upgradeable, IERC20MetadataUpgradeable {
  /**
   * @dev Emitted when an uToken is initialized
   * @param underlyingAsset The address of the underlying asset
   * @param pool The address of the associated lending pool
   * @param treasury The address of the treasury
   * @param incentivesController The address of the incentives controller for this uToken
   **/
  event Initialized(
    address indexed underlyingAsset,
    address indexed pool,
    address treasury,
    address incentivesController
  );

  /**
   * @dev Initializes the bToken
   * @param addressProvider The address of the address provider where this bToken will be used
   * @param treasury The address of the Unlockd treasury, receiving the fees on this bToken
   * @param underlyingAsset The address of the underlying asset of this bToken
   * @param uTokenDecimals The amount of token decimals
   * @param uTokenName The name of the token
   * @param uTokenSymbol The token symbol
   */
  function initialize(
    ILendPoolAddressesProvider addressProvider,
    address treasury,
    address underlyingAsset,
    uint8 uTokenDecimals,
    string calldata uTokenName,
    string calldata uTokenSymbol
  ) external;

  /**
   * @dev Emitted after the mint action
   * @param from The address performing the mint
   * @param value The amount being
   * @param index The new liquidity index of the reserve
   **/
  event Mint(address indexed from, uint256 value, uint256 index);
  /**
   * @dev Emitted after setting of addresses as managers
   * @param managers the managers to be updated
   * @param flag `true` to set addresses as managers, `false` otherwise
   **/
  event UTokenManagersUpdated(address[] indexed managers, bool flag);

  /**
   * @dev Mints `amount` uTokens to `user`
   * @param user The address receiving the minted tokens
   * @param amount The amount of tokens getting minted
   * @param index The new liquidity index of the reserve
   * @return `true` if the the previous balance of the user was 0
   */
  function mint(address user, uint256 amount, uint256 index) external returns (bool);

  /**
   * @dev Emitted after uTokens are burned
   * @param from The owner of the uTokens, getting them burned
   * @param target The address that will receive the underlying
   * @param value The amount being burned
   * @param index The new liquidity index of the reserve
   **/
  event Burn(address indexed from, address indexed target, uint256 value, uint256 index);

  /**
   * @dev Emitted during the transfer action
   * @param from The user whose tokens are being transferred
   * @param to The recipient
   * @param value The amount being transferred
   * @param index The new liquidity index of the reserve
   **/
  event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index);

  /**
   * @dev Emitted when treasury address is updated in utoken
   * @param _newTreasuryAddress The new treasury address
   **/
  event TreasuryAddressUpdated(address indexed _newTreasuryAddress);

  /**
    @dev Emitted after sweeping liquidity from the uToken to deposit it to external lending protocol
  * @param uToken The uToken swept
  * @param underlyingAsset The underlying asset from the uToken
  * @param amount The amount deposited to the lending protocol
  */
  event UTokenSwept(address indexed uToken, address indexed underlyingAsset, uint256 indexed amount);

  /**
   * @dev Takes reserve liquidity from uToken and deposits it to external lening protocol
   **/
  function sweepUToken() external;

  /**
   * @dev Burns uTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying`
   * @param user The owner of the uTokens, getting them burned
   * @param receiverOfUnderlying The address that will receive the underlying
   * @param amount The amount being burned
   * @param index The new liquidity index of the reserve
   **/
  function burn(address user, address receiverOfUnderlying, uint256 amount, uint256 index) external;

  /**
   * @dev Mints uTokens to the reserve treasury
   * @param amount The amount of tokens getting minted
   * @param index The new liquidity index of the reserve
   */
  function mintToTreasury(uint256 amount, uint256 index) external;

  /**
   * @dev Deposits `amount` to the lending protocol currently active
   * @param amount The amount of tokens to deposit
   */
  function depositReserves(uint256 amount) external;

  /**
   * @dev Withdraws `amount` from the lending protocol currently active
   * @param amount The amount of tokens to withdraw
   */
  function withdrawReserves(uint256 amount) external returns (uint256);

  /**
   * @dev Transfers the underlying asset to `target`. Used by the LendPool to transfer
   * assets in borrow() and withdraw()
   * @param user The recipient of the underlying
   * @param amount The amount getting transferred
   * @return The amount transferred
   **/
  function transferUnderlyingTo(address user, uint256 amount) external returns (uint256);

  /**
   * @dev Returns the scaled balance of the user and the scaled total supply.
   * @return The available liquidity in reserve
   **/
  function getAvailableLiquidity() external view returns (uint256);

  /**
   * @dev Returns the address of the incentives controller contract
   **/
  function getIncentivesController() external view returns (IIncentivesController);

  /**
   * @dev Returns the address of the underlying asset of this uToken
   **/
  function UNDERLYING_ASSET_ADDRESS() external view returns (address);

  /**
   * @dev Returns the address of the treasury set to this uToken
   **/
  function RESERVE_TREASURY_ADDRESS() external view returns (address);

  /**
   * @dev Sets the address of the treasury to this uToken
   **/
  function setTreasuryAddress(address treasury) external;

  /**
   * @dev Updates the uToken manager addresses
   **/
  function updateUTokenManagers(address[] calldata managers, bool flag) external;
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

/**
 * @title Errors library
 * @author BendDao; Forked and edited by Unlockd
 * @notice Defines the error messages emitted by the different contracts of the Unlockd protocol
 */
library Errors {
  enum ReturnCode {
    SUCCESS,
    FAILED
  }

  string public constant SUCCESS = "0";

  //common errors
  string public constant CALLER_NOT_POOL_ADMIN = "100"; // 'The caller must be the pool admin'
  string public constant CALLER_NOT_ADDRESS_PROVIDER = "101";
  string public constant INVALID_FROM_BALANCE_AFTER_TRANSFER = "102";
  string public constant INVALID_TO_BALANCE_AFTER_TRANSFER = "103";
  string public constant CALLER_NOT_ONBEHALFOF_OR_IN_WHITELIST = "104";
  string public constant CALLER_NOT_POOL_LIQUIDATOR = "105";
  string public constant INVALID_ZERO_ADDRESS = "106";
  string public constant CALLER_NOT_LTV_MANAGER = "107";
  string public constant CALLER_NOT_PRICE_MANAGER = "108";
  string public constant CALLER_NOT_UTOKEN_MANAGER = "109";

  //math library errors
  string public constant MATH_MULTIPLICATION_OVERFLOW = "200";
  string public constant MATH_ADDITION_OVERFLOW = "201";
  string public constant MATH_DIVISION_BY_ZERO = "202";

  //validation & check errors
  string public constant VL_INVALID_AMOUNT = "301"; // 'Amount must be greater than 0'
  string public constant VL_NO_ACTIVE_RESERVE = "302"; // 'Action requires an active reserve'
  string public constant VL_RESERVE_FROZEN = "303"; // 'Action cannot be performed because the reserve is frozen'
  string public constant VL_NOT_ENOUGH_AVAILABLE_USER_BALANCE = "304"; // 'User cannot withdraw more than the available balance'
  string public constant VL_BORROWING_NOT_ENABLED = "305"; // 'Borrowing is not enabled'
  string public constant VL_COLLATERAL_BALANCE_IS_0 = "306"; // 'The collateral balance is 0'
  string public constant VL_HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = "307"; // 'Health factor is lesser than the liquidation threshold'
  string public constant VL_COLLATERAL_CANNOT_COVER_NEW_BORROW = "308"; // 'There is not enough collateral to cover a new borrow'
  string public constant VL_NO_DEBT_OF_SELECTED_TYPE = "309"; // 'for repayment of stable debt, the user needs to have stable debt, otherwise, he needs to have variable debt'
  string public constant VL_NO_ACTIVE_NFT = "310";
  string public constant VL_NFT_FROZEN = "311";
  string public constant VL_SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = "312"; // 'User did not borrow the specified currency'
  string public constant VL_INVALID_HEALTH_FACTOR = "313";
  string public constant VL_INVALID_ONBEHALFOF_ADDRESS = "314";
  string public constant VL_INVALID_TARGET_ADDRESS = "315";
  string public constant VL_INVALID_RESERVE_ADDRESS = "316";
  string public constant VL_SPECIFIED_LOAN_NOT_BORROWED_BY_USER = "317";
  string public constant VL_SPECIFIED_RESERVE_NOT_BORROWED_BY_USER = "318";
  string public constant VL_HEALTH_FACTOR_HIGHER_THAN_LIQUIDATION_THRESHOLD = "319";
  string public constant VL_TIMEFRAME_EXCEEDED = "320";
  string public constant VL_VALUE_EXCEED_TREASURY_BALANCE = "321";

  //lend pool errors
  string public constant LP_CALLER_NOT_LEND_POOL_CONFIGURATOR = "400"; // 'The caller of the function is not the lending pool configurator'
  string public constant LP_IS_PAUSED = "401"; // 'Pool is paused'
  string public constant LP_NO_MORE_RESERVES_ALLOWED = "402";
  string public constant LP_NOT_CONTRACT = "403";
  string public constant LP_BORROW_NOT_EXCEED_LIQUIDATION_THRESHOLD = "404";
  string public constant LP_BORROW_IS_EXCEED_LIQUIDATION_PRICE = "405";
  string public constant LP_NO_MORE_NFTS_ALLOWED = "406";
  string public constant LP_INVALID_USER_NFT_AMOUNT = "407";
  string public constant LP_INCONSISTENT_PARAMS = "408";
  string public constant LP_NFT_IS_NOT_USED_AS_COLLATERAL = "409";
  string public constant LP_CALLER_MUST_BE_AN_UTOKEN = "410";
  string public constant LP_INVALID_NFT_AMOUNT = "411";
  string public constant LP_NFT_HAS_USED_AS_COLLATERAL = "412";
  string public constant LP_DELEGATE_CALL_FAILED = "413";
  string public constant LP_AMOUNT_LESS_THAN_EXTRA_DEBT = "414";
  string public constant LP_AMOUNT_LESS_THAN_REDEEM_THRESHOLD = "415";
  string public constant LP_AMOUNT_GREATER_THAN_MAX_REPAY = "416";
  string public constant LP_NFT_TOKEN_ID_EXCEED_MAX_LIMIT = "417";
  string public constant LP_NFT_SUPPLY_NUM_EXCEED_MAX_LIMIT = "418";
  string public constant LP_CALLER_NOT_LEND_POOL_LIQUIDATOR_NOR_GATEWAY = "419";
  string public constant LP_CONSECUTIVE_BIDS_NOT_ALLOWED = "420";
  string public constant LP_INVALID_OVERFLOW_VALUE = "421";
  string public constant LP_CALLER_NOT_NFT_HOLDER = "422";
  string public constant LP_NFT_NOT_ALLOWED_TO_SELL = "423";
  string public constant LP_RESERVES_WITHOUT_ENOUGH_LIQUIDITY = "424";
  string public constant LP_COLLECTION_NOT_SUPPORTED = "425";
  string public constant LP_MSG_VALUE_DIFFERENT_FROM_CONFIG_FEE = "426";
  string public constant LP_INVALID_SAFE_HEALTH_FACTOR = "427";
  string public constant LP_AMOUNT_LESS_THAN_DEBT = "428";
  string public constant LP_AMOUNT_DIFFERENT_FROM_REQUIRED_BUYOUT_PRICE = "429";
  string public constant LP_CALLER_NOT_DEBT_TOKEN_MANAGER = "430";
  string public constant LP_CALLER_NOT_RESERVOIR_OR_DEBT_MARKET = "431";

  //lend pool loan errors
  string public constant LPL_CLAIM_HASNT_STARTED_YET = "479";
  string public constant LPL_INVALID_LOAN_STATE = "480";
  string public constant LPL_INVALID_LOAN_AMOUNT = "481";
  string public constant LPL_INVALID_TAKEN_AMOUNT = "482";
  string public constant LPL_AMOUNT_OVERFLOW = "483";
  string public constant LPL_BID_PRICE_LESS_THAN_DEBT_PRICE = "484";
  string public constant LPL_BID_PRICE_LESS_THAN_HIGHEST_PRICE = "485";
  string public constant LPL_BID_REDEEM_DURATION_HAS_END = "486";
  string public constant LPL_BID_USER_NOT_SAME = "487";
  string public constant LPL_BID_REPAY_AMOUNT_NOT_ENOUGH = "488";
  string public constant LPL_BID_AUCTION_DURATION_HAS_END = "489";
  string public constant LPL_BID_AUCTION_DURATION_NOT_END = "490";
  string public constant LPL_BID_PRICE_LESS_THAN_BORROW = "491";
  string public constant LPL_INVALID_BIDDER_ADDRESS = "492";
  string public constant LPL_AMOUNT_LESS_THAN_BID_FINE = "493";
  string public constant LPL_INVALID_BID_FINE = "494";
  string public constant LPL_BID_PRICE_LESS_THAN_MIN_BID_REQUIRED = "495";
  string public constant LPL_BID_NOT_BUYOUT_PRICE = "496";
  string public constant LPL_BUYOUT_DURATION_HAS_END = "497";
  string public constant LPL_BUYOUT_PRICE_LESS_THAN_BORROW = "498";
  string public constant LPL_CALLER_MUST_BE_MARKET_ADAPTER = "499";

  //common token errors
  string public constant CT_CALLER_MUST_BE_LEND_POOL = "500"; // 'The caller of this function must be a lending pool'
  string public constant CT_INVALID_MINT_AMOUNT = "501"; //invalid amount to mint
  string public constant CT_INVALID_BURN_AMOUNT = "502"; //invalid amount to burn
  string public constant CT_BORROW_ALLOWANCE_NOT_ENOUGH = "503";
  string public constant CT_CALLER_MUST_BE_DEBT_MARKET = "504"; // 'The caller of this function must be a debt market'

  //reserve logic errors
  string public constant RL_RESERVE_ALREADY_INITIALIZED = "601"; // 'Reserve has already been initialized'
  string public constant RL_LIQUIDITY_INDEX_OVERFLOW = "602"; //  Liquidity index overflows uint128
  string public constant RL_VARIABLE_BORROW_INDEX_OVERFLOW = "603"; //  Variable borrow index overflows uint128
  string public constant RL_LIQUIDITY_RATE_OVERFLOW = "604"; //  Liquidity rate overflows uint128
  string public constant RL_VARIABLE_BORROW_RATE_OVERFLOW = "605"; //  Variable borrow rate overflows uint128

  //configure errors
  string public constant LPC_RESERVE_LIQUIDITY_NOT_0 = "700"; // 'The liquidity of the reserve needs to be 0'
  string public constant LPC_INVALID_CONFIGURATION = "701"; // 'Invalid risk parameters for the reserve'
  string public constant LPC_CALLER_NOT_EMERGENCY_ADMIN = "702"; // 'The caller must be the emergency admin'
  string public constant LPC_INVALID_UNFT_ADDRESS = "703";
  string public constant LPC_INVALIED_LOAN_ADDRESS = "704";
  string public constant LPC_NFT_LIQUIDITY_NOT_0 = "705";
  string public constant LPC_PARAMS_MISMATCH = "706"; // NFT assets & token ids mismatch
  string public constant LPC_FEE_PERCENTAGE_TOO_HIGH = "707";
  string public constant LPC_INVALID_LTVMANAGER_ADDRESS = "708";
  string public constant LPC_INCONSISTENT_PARAMS = "709";
  string public constant LPC_INVALID_SAFE_HEALTH_FACTOR = "710";
  //reserve config errors
  string public constant RC_INVALID_LTV = "730";
  string public constant RC_INVALID_LIQ_THRESHOLD = "731";
  string public constant RC_INVALID_LIQ_BONUS = "732";
  string public constant RC_INVALID_DECIMALS = "733";
  string public constant RC_INVALID_RESERVE_FACTOR = "734";
  string public constant RC_INVALID_REDEEM_DURATION = "735";
  string public constant RC_INVALID_AUCTION_DURATION = "736";
  string public constant RC_INVALID_REDEEM_FINE = "737";
  string public constant RC_INVALID_REDEEM_THRESHOLD = "738";
  string public constant RC_INVALID_MIN_BID_FINE = "739";
  string public constant RC_INVALID_MAX_BID_FINE = "740";
  string public constant RC_INVALID_MAX_CONFIG_TIMESTAMP = "741";

  //address provider erros
  string public constant LPAPR_PROVIDER_NOT_REGISTERED = "760"; // 'Provider is not registered'
  string public constant LPAPR_INVALID_ADDRESSES_PROVIDER_ID = "761";

  //NFTOracleErrors
  string public constant NFTO_INVALID_PRICEM_ADDRESS = "900";

  //Debt Market
  string public constant DM_CALLER_NOT_THE_OWNER = "1000";
  string public constant DM_DEBT_SHOULD_EXIST = "1001";
  string public constant DM_INVALID_AMOUNT = "1002";
  string public constant DM_FAIL_ON_SEND_ETH = "1003";
  string public constant DM_DEBT_SHOULD_NOT_BE_SOLD = "1004";
  string public constant DM_DEBT_ALREADY_EXIST = "1005";
  string public constant DM_LOAN_SHOULD_EXIST = "1006";
  string public constant DM_AUCTION_ALREADY_ENDED = "1007";
  string public constant DM_BID_PRICE_HIGHER_THAN_SELL_PRICE = "1008";
  string public constant DM_BID_PRICE_LESS_THAN_PREVIOUS_BID = "1009";
  string public constant DM_INVALID_SELL_TYPE = "1010";
  string public constant DM_AUCTION_NOT_ALREADY_ENDED = "1011";
  string public constant DM_INVALID_CLAIM_RECEIVER = "1012";
  string public constant DM_AMOUNT_DIFFERENT_FROM_SELL_PRICE = "1013";
  string public constant DM_BID_PRICE_LESS_THAN_MIN_BID_PRICE = "1014";
  string public constant DM_BORROWED_AMOUNT_DIVERGED = "1015";
  string public constant DM_INVALID_AUTHORIZED_ADDRESS = "1016";
  string public constant DM_CALLER_NOT_THE_OWNER_OR_AUTHORIZED = "1017";
  string public constant DM_INVALID_DELTA_BID_PERCENT = "1018";
  string public constant DM_IS_PAUSED = "1019";
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

import {Errors} from "../helpers/Errors.sol";

/**
 * @title WadRayMath library
 * @author BendDao; Forked and edited by Unlockd
 * @dev Provides mul and div function for wads (decimal numbers with 18 digits precision) and rays (decimals with 27 digits)
 **/

library WadRayMath {
  uint256 internal constant WAD = 1e18;
  uint256 internal constant HALF_WAD = WAD / 2;

  uint256 internal constant RAY = 1e27;
  uint256 internal constant HALF_RAY = RAY / 2;

  uint256 internal constant WAD_RAY_RATIO = 1e9;

  /**
   * @return One ray, 1e27
   **/
  function ray() internal pure returns (uint256) {
    return RAY;
  }

  /**
   * @return One wad, 1e18
   **/

  function wad() internal pure returns (uint256) {
    return WAD;
  }

  /**
   * @return Half ray, 1e27/2
   **/
  function halfRay() internal pure returns (uint256) {
    return HALF_RAY;
  }

  /**
   * @return Half ray, 1e18/2
   **/
  function halfWad() internal pure returns (uint256) {
    return HALF_WAD;
  }

  /**
   * @dev Multiplies two wad, rounding half up to the nearest wad
   * @param a Wad
   * @param b Wad
   * @return The result of a*b, in wad
   **/
  function wadMul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0 || b == 0) {
      return 0;
    }

    require(a <= (type(uint256).max - HALF_WAD) / b, Errors.MATH_MULTIPLICATION_OVERFLOW);

    return (a * b + HALF_WAD) / WAD;
  }

  /**
   * @dev Divides two wad, rounding half up to the nearest wad
   * @param a Wad
   * @param b Wad
   * @return The result of a/b, in wad
   **/
  function wadDiv(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b != 0, Errors.MATH_DIVISION_BY_ZERO);
    uint256 halfB = b / 2;

    require(a <= (type(uint256).max - halfB) / WAD, Errors.MATH_MULTIPLICATION_OVERFLOW);

    return (a * WAD + halfB) / b;
  }

  /**
   * @dev Multiplies two ray, rounding half up to the nearest ray
   * @param a Ray
   * @param b Ray
   * @return The result of a*b, in ray
   **/
  function rayMul(uint256 a, uint256 b) internal pure returns (uint256) {
    if (a == 0 || b == 0) {
      return 0;
    }

    require(a <= (type(uint256).max - HALF_RAY) / b, Errors.MATH_MULTIPLICATION_OVERFLOW);

    return (a * b + HALF_RAY) / RAY;
  }

  /**
   * @dev Divides two ray, rounding half up to the nearest ray
   * @param a Ray
   * @param b Ray
   * @return The result of a/b, in ray
   **/
  function rayDiv(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b != 0, Errors.MATH_DIVISION_BY_ZERO);
    uint256 halfB = b / 2;

    require(a <= (type(uint256).max - halfB) / RAY, Errors.MATH_MULTIPLICATION_OVERFLOW);

    return (a * RAY + halfB) / b;
  }

  /**
   * @dev Casts ray down to wad
   * @param a Ray
   * @return a casted to wad, rounded half up to the nearest wad
   **/
  function rayToWad(uint256 a) internal pure returns (uint256) {
    uint256 halfRatio = WAD_RAY_RATIO / 2;
    uint256 result = halfRatio + a;
    require(result >= halfRatio, Errors.MATH_ADDITION_OVERFLOW);

    return result / WAD_RAY_RATIO;
  }

  /**
   * @dev Converts wad up to ray
   * @param a Wad
   * @return a converted in ray
   **/
  function wadToRay(uint256 a) internal pure returns (uint256) {
    uint256 result = a * WAD_RAY_RATIO;
    require(result / WAD_RAY_RATIO == a, Errors.MATH_MULTIPLICATION_OVERFLOW);
    return result;
  }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

library DataTypes {
  struct ReserveData {
    //stores the reserve configuration
    ReserveConfigurationMap configuration;
    //the liquidity index. Expressed in ray
    uint128 liquidityIndex;
    //variable borrow index. Expressed in ray
    uint128 variableBorrowIndex;
    //the current supply rate. Expressed in ray
    uint128 currentLiquidityRate;
    //the current variable borrow rate. Expressed in ray
    uint128 currentVariableBorrowRate;
    uint40 lastUpdateTimestamp;
    //tokens addresses
    address uTokenAddress;
    address debtTokenAddress;
    //address of the interest rate strategy
    address interestRateAddress;
    //the id of the reserve. Represents the position in the list of the active reserves
    uint8 id;
  }

  struct NftData {
    //stores the nft configuration
    NftConfigurationMap configuration;
    //address of the uNFT contract
    address uNftAddress;
    //the id of the nft. Represents the position in the list of the active nfts
    uint8 id;
    uint256 maxSupply;
    uint256 maxTokenId;
  }

  struct ReserveConfigurationMap {
    //bit 0-15: LTV
    //bit 16-31: Liq. threshold
    //bit 32-47: Liq. bonus
    //bit 48-55: Decimals
    //bit 56: Reserve is active
    //bit 57: reserve is frozen
    //bit 58: borrowing is enabled
    //bit 59: stable rate borrowing enabled
    //bit 60-63: reserved
    //bit 64-79: reserve factor
    uint256 data;
  }

  struct NftConfigurationMap {
    //bit 0-15: LTV
    //bit 16-31: Liq. threshold
    //bit 32-47: Liq. bonus
    //bit 56: NFT is active
    //bit 57: NFT is frozen
    //bit 64-71: Redeem duration
    //bit 72-79: Auction duration
    //bit 80-95: Redeem fine
    //bit 96-111: Redeem threshold
    //bit 112-127: Min bid fine
    //bit 128-159: Timestamp Config
    uint256 data;
  }

  /**
   * @dev Enum describing the current state of a loan
   * State change flow:
   *  Created -> Active -> Repaid
   *                    -> Auction -> Defaulted
   */
  enum LoanState {
    // We need a default that is not 'Created' - this is the zero value
    None,
    // The loan data is stored, but not initiated yet.
    Created,
    // The loan has been initialized, funds have been delivered to the borrower and the collateral is held.
    Active,
    // The loan is in auction, higest price liquidator will got chance to claim it.
    Auction,
    // The loan has been repaid, and the collateral has been returned to the borrower. This is a terminal state.
    Repaid,
    // The loan was delinquent and collateral claimed by the liquidator. This is a terminal state.
    Defaulted
  }

  struct LoanData {
    //the id of the nft loan
    uint256 loanId;
    //the current state of the loan
    LoanState state;
    //address of borrower
    address borrower;
    //address of nft asset token
    address nftAsset;
    //the id of nft token
    uint256 nftTokenId;
    //address of reserve asset token
    address reserveAsset;
    //scaled borrow amount. Expressed in ray
    uint256 scaledAmount;
    //start time of first bid time
    uint256 bidStartTimestamp;
    //bidder address of higest bid
    address bidderAddress;
    //price of higest bid
    uint256 bidPrice;
    //borrow amount of loan
    uint256 bidBorrowAmount;
    //bidder address of first bid
    address firstBidderAddress;
  }

  struct ExecuteDepositParams {
    address initiator;
    address asset;
    uint256 amount;
    address onBehalfOf;
    uint16 referralCode;
  }

  struct ExecuteWithdrawParams {
    address initiator;
    address asset;
    uint256 amount;
    address to;
  }

  struct ExecuteBorrowParams {
    address initiator;
    address asset;
    uint256 amount;
    address nftAsset;
    uint256 nftTokenId;
    address onBehalfOf;
    uint16 referralCode;
  }

  struct ExecuteRepayParams {
    address initiator;
    address nftAsset;
    uint256 nftTokenId;
    uint256 amount;
  }

  struct ExecuteAuctionParams {
    address initiator;
    address nftAsset;
    uint256 nftTokenId;
    uint256 bidPrice;
    address onBehalfOf;
    uint256 auctionDurationConfigFee;
    uint256 bidDelta;
  }

  struct ExecuteRedeemParams {
    address initiator;
    address nftAsset;
    uint256 nftTokenId;
    uint256 amount;
    uint256 bidFine;
    uint256 safeHealthFactor;
  }

  struct ExecuteLiquidateParams {
    address initiator;
    address nftAsset;
    uint256 nftTokenId;
    uint256 amount;
  }

  struct ExecuteBuyoutParams {
    address initiator;
    address nftAsset;
    uint256 nftTokenId;
    uint256 amount;
    address onBehalfOf;
  }

  struct ExecuteLiquidateMarketsParams {
    address nftAsset;
    uint256 nftTokenId;
    uint256 liquidateFeePercentage;
    uint256 amountOutMin;
  }

  struct ExecuteLendPoolStates {
    uint256 pauseStartTime;
    uint256 pauseDurationTime;
  }

  struct ExecuteYearnParams {
    address underlyingAsset;
    uint256 amount;
  }

  enum DebtMarketType {
    FixedPrice, //0
    Auction, //1
    Mixed //2
  }

  enum DebtMarketState {
    //No bids
    New,
    //Exist bids
    Active,
    //Is sold
    Sold,
    Canceled
  }

  struct DebtMarketListing {
    uint256 debtId;
    address debtor;
    address nftAsset;
    uint256 tokenId;
    DebtMarketType sellType;
    DebtMarketState state;
    uint256 sellPrice;
    address reserveAsset;
    uint256 scaledAmount;
    address bidderAddress;
    uint256 bidPrice;
    uint256 auctionEndTimestamp;
    uint256 startBiddingPrice;
  }
}

// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.4;

import {IIncentivesController} from "../interfaces/IIncentivesController.sol";
import {ILendPoolAddressesProvider} from "../interfaces/ILendPoolAddressesProvider.sol";

import {Initializable} from "@openzeppelin/contracts-upgradeable/proxy/utils/Initializable.sol";
import {ERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/ERC20Upgradeable.sol";
import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol";
import {IERC20MetadataUpgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/extensions/IERC20MetadataUpgradeable.sol";

/**
 * @title IncentivizedERC20
 * @notice Add Incentivized Logic to ERC20 implementation
 * @author BendDao; Forked and edited by Unlockd
 **/
abstract contract IncentivizedERC20 is Initializable, IERC20MetadataUpgradeable, ERC20Upgradeable {
  /*//////////////////////////////////////////////////////////////
                          GENERAL VARS
  //////////////////////////////////////////////////////////////*/
  uint8 private _customDecimals;

  /*//////////////////////////////////////////////////////////////
                          INITIALIZERS
  //////////////////////////////////////////////////////////////*/
  function __IncentivizedERC20_init(string memory name_, string memory symbol_, uint8 decimals_) internal initializer {
    __ERC20_init(name_, symbol_);

    _customDecimals = decimals_;
  }

  /*//////////////////////////////////////////////////////////////
                          INTERNALS
  //////////////////////////////////////////////////////////////*/

  /**
   * @return Abstract function implemented by the child uToken/debtToken.
   * Done this way in order to not break compatibility with previous versions of uTokens/debtTokens
   **/
  function _getIncentivesController() internal view virtual returns (IIncentivesController);

  function _getUnderlyingAssetAddress() internal view virtual returns (address);

  function _transfer(address sender, address recipient, uint256 amount) internal virtual override {
    uint256 oldSenderBalance = super.balanceOf(sender);
    uint256 oldRecipientBalance = super.balanceOf(recipient);

    super._transfer(sender, recipient, amount);

    if (address(_getIncentivesController()) != address(0)) {
      uint256 currentTotalSupply = super.totalSupply();
      _getIncentivesController().handleAction(sender, currentTotalSupply, oldSenderBalance);
      if (sender != recipient) {
        _getIncentivesController().handleAction(recipient, currentTotalSupply, oldRecipientBalance);
      }
    }
  }

  function _mint(address account, uint256 amount) internal virtual override {
    uint256 oldTotalSupply = super.totalSupply();
    uint256 oldAccountBalance = super.balanceOf(account);

    super._mint(account, amount);

    if (address(_getIncentivesController()) != address(0)) {
      _getIncentivesController().handleAction(account, oldTotalSupply, oldAccountBalance);
    }
  }

  function _burn(address account, uint256 amount) internal virtual override {
    uint256 oldTotalSupply = super.totalSupply();
    uint256 oldAccountBalance = super.balanceOf(account);

    super._burn(account, amount);

    if (address(_getIncentivesController()) != address(0)) {
      _getIncentivesController().handleAction(account, oldTotalSupply, oldAccountBalance);
    }
  }

  /*//////////////////////////////////////////////////////////////
                          GETTERS & SETTERS
  //////////////////////////////////////////////////////////////*/
  /**
   * @dev Returns the decimals of the token.
   */
  function decimals() public view virtual override(ERC20Upgradeable, IERC20MetadataUpgradeable) returns (uint8) {
    return _customDecimals;
  }

  uint256[45] private __gap;
}

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

• No Contract Security Audit Submitted- Submit Audit Here

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ILendPoolAddressesProvider","name":"addressProvider","type":"address"},{"internalType":"address","name":"underlyingAsset","type":"address"},{"internalType":"uint8","name":"debtTokenDecimals","type":"uint8"},{"internalType":"string","name":"debtTokenName","type":"string"},{"internalType":"string","name":"debtTokenSymbol","type":"string"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"initiator","type":"address"},{"internalType":"address","name":"onBehalfOf","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"mint","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"scaledBalanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"scaledTotalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address[]","name":"debtTokenManagers","type":"address[]"},{"internalType":"bool","name":"flag","type":"bool"}],"name":"updateTokenManagers","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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