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0x2d09b7Faa27D10974f0c078EFa04087A1748A7B6
Source Code

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Block
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Configure Reserv...32317702023-04-05 13:23:00249 days 6 hrs ago1680700980IN
0x2d09b7...1748A7B6
0 ETH0.000650091.5
0x6080604032317352023-04-05 13:14:48249 days 6 hrs ago1680700488IN
 Create: ReservesSetupHelper
0 ETH0.001126241.5

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Contract Source Code Verified (Exact Match)

Contract Name:
ReservesSetupHelper

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 100000 runs

Other Settings:
default evmVersion, BSL 1.1 license

Contract Source Code (Solidity Standard Json-Input format)

File 7 of 25 : ReservesSetupHelper.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {PoolConfigurator} from '../protocol/pool/PoolConfigurator.sol';
import {Ownable} from '../dependencies/openzeppelin/contracts/Ownable.sol';

/**
 * @title ReservesSetupHelper
 * @author Aave
 * @notice Deployment helper to setup the assets risk parameters at PoolConfigurator in batch.
 * @dev The ReservesSetupHelper is an Ownable contract, so only the deployer or future owners can call this contract.
 */
contract ReservesSetupHelper is Ownable {
  struct ConfigureReserveInput {
    address asset;
    uint256 baseLTV;
    uint256 liquidationThreshold;
    uint256 liquidationBonus;
    uint256 reserveFactor;
    uint256 borrowCap;
    uint256 supplyCap;
    bool stableBorrowingEnabled;
    bool borrowingEnabled;
    bool flashLoanEnabled;
  }

  /**
   * @notice External function called by the owner account to setup the assets risk parameters in batch.
   * @dev The Pool or Risk admin must transfer the ownership to ReservesSetupHelper before calling this function
   * @param configurator The address of PoolConfigurator contract
   * @param inputParams An array of ConfigureReserveInput struct that contains the assets and their risk parameters
   */
  function configureReserves(
    PoolConfigurator configurator,
    ConfigureReserveInput[] calldata inputParams
  ) external onlyOwner {
    for (uint256 i = 0; i < inputParams.length; i++) {
      configurator.configureReserveAsCollateral(
        inputParams[i].asset,
        inputParams[i].baseLTV,
        inputParams[i].liquidationThreshold,
        inputParams[i].liquidationBonus
      );

      if (inputParams[i].borrowingEnabled) {
        configurator.setReserveBorrowing(inputParams[i].asset, true);

        configurator.setBorrowCap(inputParams[i].asset, inputParams[i].borrowCap);
        configurator.setReserveStableRateBorrowing(
          inputParams[i].asset,
          inputParams[i].stableBorrowingEnabled
        );
      }
      configurator.setReserveFlashLoaning(inputParams[i].asset, inputParams[i].flashLoanEnabled);
      configurator.setSupplyCap(inputParams[i].asset, inputParams[i].supplyCap);
      configurator.setReserveFactor(inputParams[i].asset, inputParams[i].reserveFactor);
    }
  }
}

File 2 of 25 : Address.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
  /**
   * @dev Returns true if `account` is a contract.
   *
   * [IMPORTANT]
   * ====
   * It is unsafe to assume that an address for which this function returns
   * false is an externally-owned account (EOA) and not a contract.
   *
   * Among others, `isContract` will return false for the following
   * types of addresses:
   *
   *  - an externally-owned account
   *  - a contract in construction
   *  - an address where a contract will be created
   *  - an address where a contract lived, but was destroyed
   * ====
   */
  function isContract(address account) internal view returns (bool) {
    // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
    // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
    // for accounts without code, i.e. `keccak256('')`
    bytes32 codehash;
    bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
    // solhint-disable-next-line no-inline-assembly
    assembly {
      codehash := extcodehash(account)
    }
    return (codehash != accountHash && codehash != 0x0);
  }

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

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

File 3 of 25 : Context.sol
// SPDX-License-Identifier: MIT
pragma solidity 0.8.10;

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
  function _msgSender() internal view virtual returns (address payable) {
    return payable(msg.sender);
  }

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

File 4 of 25 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity 0.8.10;

import './Context.sol';

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable is Context {
  address private _owner;

  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

  /**
   * @dev Initializes the contract setting the deployer as the initial owner.
   */
  constructor() {
    address msgSender = _msgSender();
    _owner = msgSender;
    emit OwnershipTransferred(address(0), msgSender);
  }

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

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

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

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

File 5 of 25 : BaseUpgradeabilityProxy.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import './Proxy.sol';
import '../contracts/Address.sol';

/**
 * @title BaseUpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract BaseUpgradeabilityProxy is Proxy {
  /**
   * @dev Emitted when the implementation is upgraded.
   * @param implementation Address of the new implementation.
   */
  event Upgraded(address indexed implementation);

  /**
   * @dev Storage slot with the address of the current implementation.
   * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
   * validated in the constructor.
   */
  bytes32 internal constant IMPLEMENTATION_SLOT =
    0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

  /**
   * @dev Returns the current implementation.
   * @return impl Address of the current implementation
   */
  function _implementation() internal view override returns (address impl) {
    bytes32 slot = IMPLEMENTATION_SLOT;
    //solium-disable-next-line
    assembly {
      impl := sload(slot)
    }
  }

  /**
   * @dev Upgrades the proxy to a new implementation.
   * @param newImplementation Address of the new implementation.
   */
  function _upgradeTo(address newImplementation) internal {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  /**
   * @dev Sets the implementation address of the proxy.
   * @param newImplementation Address of the new implementation.
   */
  function _setImplementation(address newImplementation) internal {
    require(
      Address.isContract(newImplementation),
      'Cannot set a proxy implementation to a non-contract address'
    );

    bytes32 slot = IMPLEMENTATION_SLOT;

    //solium-disable-next-line
    assembly {
      sstore(slot, newImplementation)
    }
  }
}

File 6 of 25 : InitializableUpgradeabilityProxy.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import './BaseUpgradeabilityProxy.sol';

/**
 * @title InitializableUpgradeabilityProxy
 * @dev Extends BaseUpgradeabilityProxy with an initializer for initializing
 * implementation and init data.
 */
contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
  /**
   * @dev Contract initializer.
   * @param _logic Address of the initial implementation.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  function initialize(address _logic, bytes memory _data) public payable {
    require(_implementation() == address(0));
    assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
    _setImplementation(_logic);
    if (_data.length > 0) {
      (bool success, ) = _logic.delegatecall(_data);
      require(success);
    }
  }
}

File 7 of 25 : Proxy.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
  /**
   * @dev Fallback function.
   * Will run if no other function in the contract matches the call data.
   * Implemented entirely in `_fallback`.
   */
  fallback() external payable {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal view virtual returns (address);

  /**
   * @dev Delegates execution to an implementation contract.
   * This is a low level function that doesn't return to its internal call site.
   * It will return to the external caller whatever the implementation returns.
   * @param implementation Address to delegate.
   */
  function _delegate(address implementation) internal {
    //solium-disable-next-line
    assembly {
      // Copy msg.data. We take full control of memory in this inline assembly
      // block because it will not return to Solidity code. We overwrite the
      // Solidity scratch pad at memory position 0.
      calldatacopy(0, 0, calldatasize())

      // Call the implementation.
      // out and outsize are 0 because we don't know the size yet.
      let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

      // Copy the returned data.
      returndatacopy(0, 0, returndatasize())

      switch result
      // delegatecall returns 0 on error.
      case 0 {
        revert(0, returndatasize())
      }
      default {
        return(0, returndatasize())
      }
    }
  }

  /**
   * @dev Function that is run as the first thing in the fallback function.
   * Can be redefined in derived contracts to add functionality.
   * Redefinitions must call super._willFallback().
   */
  function _willFallback() internal virtual {}

  /**
   * @dev fallback implementation.
   * Extracted to enable manual triggering.
   */
  function _fallback() internal {
    _willFallback();
    _delegate(_implementation());
  }
}

File 8 of 25 : IACLManager.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol';

/**
 * @title IACLManager
 * @author Aave
 * @notice Defines the basic interface for the ACL Manager
 */
interface IACLManager {
  /**
   * @notice Returns the contract address of the PoolAddressesProvider
   * @return The address of the PoolAddressesProvider
   */
  function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);

  /**
   * @notice Returns the identifier of the PoolAdmin role
   * @return The id of the PoolAdmin role
   */
  function POOL_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the EmergencyAdmin role
   * @return The id of the EmergencyAdmin role
   */
  function EMERGENCY_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the RiskAdmin role
   * @return The id of the RiskAdmin role
   */
  function RISK_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the FlashBorrower role
   * @return The id of the FlashBorrower role
   */
  function FLASH_BORROWER_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the Bridge role
   * @return The id of the Bridge role
   */
  function BRIDGE_ROLE() external view returns (bytes32);

  /**
   * @notice Returns the identifier of the AssetListingAdmin role
   * @return The id of the AssetListingAdmin role
   */
  function ASSET_LISTING_ADMIN_ROLE() external view returns (bytes32);

  /**
   * @notice Set the role as admin of a specific role.
   * @dev By default the admin role for all roles is `DEFAULT_ADMIN_ROLE`.
   * @param role The role to be managed by the admin role
   * @param adminRole The admin role
   */
  function setRoleAdmin(bytes32 role, bytes32 adminRole) external;

  /**
   * @notice Adds a new admin as PoolAdmin
   * @param admin The address of the new admin
   */
  function addPoolAdmin(address admin) external;

  /**
   * @notice Removes an admin as PoolAdmin
   * @param admin The address of the admin to remove
   */
  function removePoolAdmin(address admin) external;

  /**
   * @notice Returns true if the address is PoolAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is PoolAdmin, false otherwise
   */
  function isPoolAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new admin as EmergencyAdmin
   * @param admin The address of the new admin
   */
  function addEmergencyAdmin(address admin) external;

  /**
   * @notice Removes an admin as EmergencyAdmin
   * @param admin The address of the admin to remove
   */
  function removeEmergencyAdmin(address admin) external;

  /**
   * @notice Returns true if the address is EmergencyAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is EmergencyAdmin, false otherwise
   */
  function isEmergencyAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new admin as RiskAdmin
   * @param admin The address of the new admin
   */
  function addRiskAdmin(address admin) external;

  /**
   * @notice Removes an admin as RiskAdmin
   * @param admin The address of the admin to remove
   */
  function removeRiskAdmin(address admin) external;

  /**
   * @notice Returns true if the address is RiskAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is RiskAdmin, false otherwise
   */
  function isRiskAdmin(address admin) external view returns (bool);

  /**
   * @notice Adds a new address as FlashBorrower
   * @param borrower The address of the new FlashBorrower
   */
  function addFlashBorrower(address borrower) external;

  /**
   * @notice Removes an address as FlashBorrower
   * @param borrower The address of the FlashBorrower to remove
   */
  function removeFlashBorrower(address borrower) external;

  /**
   * @notice Returns true if the address is FlashBorrower, false otherwise
   * @param borrower The address to check
   * @return True if the given address is FlashBorrower, false otherwise
   */
  function isFlashBorrower(address borrower) external view returns (bool);

  /**
   * @notice Adds a new address as Bridge
   * @param bridge The address of the new Bridge
   */
  function addBridge(address bridge) external;

  /**
   * @notice Removes an address as Bridge
   * @param bridge The address of the bridge to remove
   */
  function removeBridge(address bridge) external;

  /**
   * @notice Returns true if the address is Bridge, false otherwise
   * @param bridge The address to check
   * @return True if the given address is Bridge, false otherwise
   */
  function isBridge(address bridge) external view returns (bool);

  /**
   * @notice Adds a new admin as AssetListingAdmin
   * @param admin The address of the new admin
   */
  function addAssetListingAdmin(address admin) external;

  /**
   * @notice Removes an admin as AssetListingAdmin
   * @param admin The address of the admin to remove
   */
  function removeAssetListingAdmin(address admin) external;

  /**
   * @notice Returns true if the address is AssetListingAdmin, false otherwise
   * @param admin The address to check
   * @return True if the given address is AssetListingAdmin, false otherwise
   */
  function isAssetListingAdmin(address admin) external view returns (bool);
}

File 9 of 25 : IAaveIncentivesController.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

/**
 * @title IAaveIncentivesController
 * @author Aave
 * @notice Defines the basic interface for an Aave Incentives Controller.
 * @dev It only contains one single function, needed as a hook on aToken and debtToken transfers.
 */
interface IAaveIncentivesController {
  /**
   * @dev Called by the corresponding asset on transfer hook in order to update the rewards distribution.
   * @dev The units of `totalSupply` and `userBalance` should be the same.
   * @param user The address of the user whose asset balance has changed
   * @param totalSupply The total supply of the asset prior to user balance change
   * @param userBalance The previous user balance prior to balance change
   */
  function handleAction(
    address user,
    uint256 totalSupply,
    uint256 userBalance
  ) external;
}

File 10 of 25 : IInitializableAToken.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {IAaveIncentivesController} from './IAaveIncentivesController.sol';
import {IPool} from './IPool.sol';

/**
 * @title IInitializableAToken
 * @author Aave
 * @notice Interface for the initialize function on AToken
 */
interface IInitializableAToken {
  /**
   * @dev Emitted when an aToken is initialized
   * @param underlyingAsset The address of the underlying asset
   * @param pool The address of the associated pool
   * @param treasury The address of the treasury
   * @param incentivesController The address of the incentives controller for this aToken
   * @param aTokenDecimals The decimals of the underlying
   * @param aTokenName The name of the aToken
   * @param aTokenSymbol The symbol of the aToken
   * @param params A set of encoded parameters for additional initialization
   */
  event Initialized(
    address indexed underlyingAsset,
    address indexed pool,
    address treasury,
    address incentivesController,
    uint8 aTokenDecimals,
    string aTokenName,
    string aTokenSymbol,
    bytes params
  );

  /**
   * @notice Initializes the aToken
   * @param pool The pool contract that is initializing this contract
   * @param treasury The address of the Aave treasury, receiving the fees on this aToken
   * @param underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH)
   * @param incentivesController The smart contract managing potential incentives distribution
   * @param aTokenDecimals The decimals of the aToken, same as the underlying asset's
   * @param aTokenName The name of the aToken
   * @param aTokenSymbol The symbol of the aToken
   * @param params A set of encoded parameters for additional initialization
   */
  function initialize(
    IPool pool,
    address treasury,
    address underlyingAsset,
    IAaveIncentivesController incentivesController,
    uint8 aTokenDecimals,
    string calldata aTokenName,
    string calldata aTokenSymbol,
    bytes calldata params
  ) external;
}

File 11 of 25 : IInitializableDebtToken.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {IAaveIncentivesController} from './IAaveIncentivesController.sol';
import {IPool} from './IPool.sol';

/**
 * @title IInitializableDebtToken
 * @author Aave
 * @notice Interface for the initialize function common between debt tokens
 */
interface IInitializableDebtToken {
  /**
   * @dev Emitted when a debt token is initialized
   * @param underlyingAsset The address of the underlying asset
   * @param pool The address of the associated pool
   * @param incentivesController The address of the incentives controller for this aToken
   * @param debtTokenDecimals The decimals of the debt token
   * @param debtTokenName The name of the debt token
   * @param debtTokenSymbol The symbol of the debt token
   * @param params A set of encoded parameters for additional initialization
   */
  event Initialized(
    address indexed underlyingAsset,
    address indexed pool,
    address incentivesController,
    uint8 debtTokenDecimals,
    string debtTokenName,
    string debtTokenSymbol,
    bytes params
  );

  /**
   * @notice Initializes the debt token.
   * @param pool The pool contract that is initializing this contract
   * @param underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH)
   * @param incentivesController The smart contract managing potential incentives distribution
   * @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
   * @param params A set of encoded parameters for additional initialization
   */
  function initialize(
    IPool pool,
    address underlyingAsset,
    IAaveIncentivesController incentivesController,
    uint8 debtTokenDecimals,
    string memory debtTokenName,
    string memory debtTokenSymbol,
    bytes calldata params
  ) external;
}

File 12 of 25 : IPool.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol';
import {DataTypes} from '../protocol/libraries/types/DataTypes.sol';

/**
 * @title IPool
 * @author Aave
 * @notice Defines the basic interface for an Aave Pool.
 */
interface IPool {
  /**
   * @dev Emitted on mintUnbacked()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address initiating the supply
   * @param onBehalfOf The beneficiary of the supplied assets, receiving the aTokens
   * @param amount The amount of supplied assets
   * @param referralCode The referral code used
   */
  event MintUnbacked(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    uint16 indexed referralCode
  );

  /**
   * @dev Emitted on backUnbacked()
   * @param reserve The address of the underlying asset of the reserve
   * @param backer The address paying for the backing
   * @param amount The amount added as backing
   * @param fee The amount paid in fees
   */
  event BackUnbacked(address indexed reserve, address indexed backer, uint256 amount, uint256 fee);

  /**
   * @dev Emitted on supply()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address initiating the supply
   * @param onBehalfOf The beneficiary of the supply, receiving the aTokens
   * @param amount The amount supplied
   * @param referralCode The referral code used
   */
  event Supply(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    uint16 indexed referralCode
  );

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

  /**
   * @dev Emitted on borrow() and flashLoan() when debt needs to be opened
   * @param reserve The address of the underlying asset being borrowed
   * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just
   * initiator of the transaction on flashLoan()
   * @param onBehalfOf The address that will be getting the debt
   * @param amount The amount borrowed out
   * @param interestRateMode The rate mode: 1 for Stable, 2 for Variable
   * @param borrowRate The numeric rate at which the user has borrowed, expressed in ray
   * @param referralCode The referral code used
   */
  event Borrow(
    address indexed reserve,
    address user,
    address indexed onBehalfOf,
    uint256 amount,
    DataTypes.InterestRateMode interestRateMode,
    uint256 borrowRate,
    uint16 indexed referralCode
  );

  /**
   * @dev Emitted on repay()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The beneficiary of the repayment, getting his debt reduced
   * @param repayer The address of the user initiating the repay(), providing the funds
   * @param amount The amount repaid
   * @param useATokens True if the repayment is done using aTokens, `false` if done with underlying asset directly
   */
  event Repay(
    address indexed reserve,
    address indexed user,
    address indexed repayer,
    uint256 amount,
    bool useATokens
  );

  /**
   * @dev Emitted on swapBorrowRateMode()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user swapping his rate mode
   * @param interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable
   */
  event SwapBorrowRateMode(
    address indexed reserve,
    address indexed user,
    DataTypes.InterestRateMode interestRateMode
  );

  /**
   * @dev Emitted on borrow(), repay() and liquidationCall() when using isolated assets
   * @param asset The address of the underlying asset of the reserve
   * @param totalDebt The total isolation mode debt for the reserve
   */
  event IsolationModeTotalDebtUpdated(address indexed asset, uint256 totalDebt);

  /**
   * @dev Emitted when the user selects a certain asset category for eMode
   * @param user The address of the user
   * @param categoryId The category id
   */
  event UserEModeSet(address indexed user, uint8 categoryId);

  /**
   * @dev Emitted on setUserUseReserveAsCollateral()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user enabling the usage as collateral
   */
  event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on setUserUseReserveAsCollateral()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user enabling the usage as collateral
   */
  event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on rebalanceStableBorrowRate()
   * @param reserve The address of the underlying asset of the reserve
   * @param user The address of the user for which the rebalance has been executed
   */
  event RebalanceStableBorrowRate(address indexed reserve, address indexed user);

  /**
   * @dev Emitted on flashLoan()
   * @param target The address of the flash loan receiver contract
   * @param initiator The address initiating the flash loan
   * @param asset The address of the asset being flash borrowed
   * @param amount The amount flash borrowed
   * @param interestRateMode The flashloan mode: 0 for regular flashloan, 1 for Stable debt, 2 for Variable debt
   * @param premium The fee flash borrowed
   * @param referralCode The referral code used
   */
  event FlashLoan(
    address indexed target,
    address initiator,
    address indexed asset,
    uint256 amount,
    DataTypes.InterestRateMode interestRateMode,
    uint256 premium,
    uint16 indexed referralCode
  );

  /**
   * @dev Emitted when a borrower is liquidated.
   * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
   * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
   * @param user The address of the borrower getting liquidated
   * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
   * @param liquidatedCollateralAmount The amount of collateral received by the liquidator
   * @param liquidator The address of the liquidator
   * @param receiveAToken True if the liquidators wants to receive the collateral aTokens, `false` if he wants
   * to receive the underlying collateral asset directly
   */
  event LiquidationCall(
    address indexed collateralAsset,
    address indexed debtAsset,
    address indexed user,
    uint256 debtToCover,
    uint256 liquidatedCollateralAmount,
    address liquidator,
    bool receiveAToken
  );

  /**
   * @dev Emitted when the state of a reserve is updated.
   * @param reserve The address of the underlying asset of the reserve
   * @param liquidityRate The next liquidity rate
   * @param stableBorrowRate The next stable borrow rate
   * @param variableBorrowRate The next variable borrow rate
   * @param liquidityIndex The next liquidity index
   * @param variableBorrowIndex The next variable borrow index
   */
  event ReserveDataUpdated(
    address indexed reserve,
    uint256 liquidityRate,
    uint256 stableBorrowRate,
    uint256 variableBorrowRate,
    uint256 liquidityIndex,
    uint256 variableBorrowIndex
  );

  /**
   * @dev Emitted when the protocol treasury receives minted aTokens from the accrued interest.
   * @param reserve The address of the reserve
   * @param amountMinted The amount minted to the treasury
   */
  event MintedToTreasury(address indexed reserve, uint256 amountMinted);

  /**
   * @notice Mints an `amount` of aTokens to the `onBehalfOf`
   * @param asset The address of the underlying asset to mint
   * @param amount The amount to mint
   * @param onBehalfOf The address that will receive the aTokens
   * @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 mintUnbacked(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode
  ) external;

  /**
   * @notice Back the current unbacked underlying with `amount` and pay `fee`.
   * @param asset The address of the underlying asset to back
   * @param amount The amount to back
   * @param fee The amount paid in fees
   * @return The backed amount
   */
  function backUnbacked(
    address asset,
    uint256 amount,
    uint256 fee
  ) external returns (uint256);

  /**
   * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
   * - E.g. User supplies 100 USDC and gets in return 100 aUSDC
   * @param asset The address of the underlying asset to supply
   * @param amount The amount to be supplied
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   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 supply(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode
  ) external;

  /**
   * @notice Supply with transfer approval of asset to be supplied done via permit function
   * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
   * @param asset The address of the underlying asset to supply
   * @param amount The amount to be supplied
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   is a different wallet
   * @param deadline The deadline timestamp that the permit is valid
   * @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
   * @param permitV The V parameter of ERC712 permit sig
   * @param permitR The R parameter of ERC712 permit sig
   * @param permitS The S parameter of ERC712 permit sig
   */
  function supplyWithPermit(
    address asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode,
    uint256 deadline,
    uint8 permitV,
    bytes32 permitR,
    bytes32 permitS
  ) external;

  /**
   * @notice Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned
   * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC
   * @param asset 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 aToken balance
   * @param to The 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 asset,
    uint256 amount,
    address to
  ) external returns (uint256);

  /**
   * @notice Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower
   * already supplied enough collateral, or he was given enough allowance by a credit delegator on the
   * corresponding debt token (StableDebtToken or VariableDebtToken)
   * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet
   *   and 100 stable/variable debt tokens, depending on the `interestRateMode`
   * @param asset The address of the underlying asset to borrow
   * @param amount The amount to be borrowed
   * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable
   * @param referralCode The 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
   * @param onBehalfOf The address of the user who will receive the debt. 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
   */
  function borrow(
    address asset,
    uint256 amount,
    uint256 interestRateMode,
    uint16 referralCode,
    address onBehalfOf
  ) external;

  /**
   * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned
   * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address
   * @param asset The address of the borrowed underlying asset previously borrowed
   * @param amount The amount to repay
   * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
   * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
   * @param onBehalfOf The address of the user who will get his debt reduced/removed. Should be the address of the
   * user calling the function if he wants to reduce/remove his own debt, or the address of any other
   * other borrower whose debt should be removed
   * @return The final amount repaid
   */
  function repay(
    address asset,
    uint256 amount,
    uint256 interestRateMode,
    address onBehalfOf
  ) external returns (uint256);

  /**
   * @notice Repay with transfer approval of asset to be repaid done via permit function
   * see: https://eips.ethereum.org/EIPS/eip-2612 and https://eips.ethereum.org/EIPS/eip-713
   * @param asset The address of the borrowed underlying asset previously borrowed
   * @param amount The amount to repay
   * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
   * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
   * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the
   * user calling the function if he wants to reduce/remove his own debt, or the address of any other
   * other borrower whose debt should be removed
   * @param deadline The deadline timestamp that the permit is valid
   * @param permitV The V parameter of ERC712 permit sig
   * @param permitR The R parameter of ERC712 permit sig
   * @param permitS The S parameter of ERC712 permit sig
   * @return The final amount repaid
   */
  function repayWithPermit(
    address asset,
    uint256 amount,
    uint256 interestRateMode,
    address onBehalfOf,
    uint256 deadline,
    uint8 permitV,
    bytes32 permitR,
    bytes32 permitS
  ) external returns (uint256);

  /**
   * @notice Repays a borrowed `amount` on a specific reserve using the reserve aTokens, burning the
   * equivalent debt tokens
   * - E.g. User repays 100 USDC using 100 aUSDC, burning 100 variable/stable debt tokens
   * @dev  Passing uint256.max as amount will clean up any residual aToken dust balance, if the user aToken
   * balance is not enough to cover the whole debt
   * @param asset The address of the borrowed underlying asset previously borrowed
   * @param amount The amount to repay
   * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode`
   * @param interestRateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable
   * @return The final amount repaid
   */
  function repayWithATokens(
    address asset,
    uint256 amount,
    uint256 interestRateMode
  ) external returns (uint256);

  /**
   * @notice Allows a borrower to swap his debt between stable and variable mode, or vice versa
   * @param asset The address of the underlying asset borrowed
   * @param interestRateMode The current interest rate mode of the position being swapped: 1 for Stable, 2 for Variable
   */
  function swapBorrowRateMode(address asset, uint256 interestRateMode) external;

  /**
   * @notice Rebalances the stable interest rate of a user to the current stable rate defined on the reserve.
   * - Users can be rebalanced if the following conditions are satisfied:
   *     1. Usage ratio is above 95%
   *     2. the current supply APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too
   *        much has been borrowed at a stable rate and suppliers are not earning enough
   * @param asset The address of the underlying asset borrowed
   * @param user The address of the user to be rebalanced
   */
  function rebalanceStableBorrowRate(address asset, address user) external;

  /**
   * @notice Allows suppliers to enable/disable a specific supplied asset as collateral
   * @param asset The address of the underlying asset supplied
   * @param useAsCollateral True if the user wants to use the supply as collateral, false otherwise
   */
  function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external;

  /**
   * @notice Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1
   * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives
   *   a proportionally amount of the `collateralAsset` plus a bonus to cover market risk
   * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation
   * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation
   * @param user The address of the borrower getting liquidated
   * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover
   * @param receiveAToken True if the liquidators wants to receive the collateral aTokens, `false` if he wants
   * to receive the underlying collateral asset directly
   */
  function liquidationCall(
    address collateralAsset,
    address debtAsset,
    address user,
    uint256 debtToCover,
    bool receiveAToken
  ) external;

  /**
   * @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
   * as long as the amount taken plus a fee is returned.
   * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
   * into consideration. For further details please visit https://docs.aave.com/developers/
   * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanReceiver interface
   * @param assets The addresses of the assets being flash-borrowed
   * @param amounts The amounts of the assets being flash-borrowed
   * @param interestRateModes Types of the debt to open if the flash loan is not returned:
   *   0 -> Don't open any debt, just revert if funds can't be transferred from the receiver
   *   1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
   *   2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address
   * @param onBehalfOf The address  that will receive the debt in the case of using on `modes` 1 or 2
   * @param params Variadic packed params to pass to the receiver as extra information
   * @param referralCode The 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 flashLoan(
    address receiverAddress,
    address[] calldata assets,
    uint256[] calldata amounts,
    uint256[] calldata interestRateModes,
    address onBehalfOf,
    bytes calldata params,
    uint16 referralCode
  ) external;

  /**
   * @notice Allows smartcontracts to access the liquidity of the pool within one transaction,
   * as long as the amount taken plus a fee is returned.
   * @dev IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept
   * into consideration. For further details please visit https://docs.aave.com/developers/
   * @param receiverAddress The address of the contract receiving the funds, implementing IFlashLoanSimpleReceiver interface
   * @param asset The address of the asset being flash-borrowed
   * @param amount The amount of the asset being flash-borrowed
   * @param params Variadic packed params to pass to the receiver as extra information
   * @param referralCode The 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 flashLoanSimple(
    address receiverAddress,
    address asset,
    uint256 amount,
    bytes calldata params,
    uint16 referralCode
  ) external;

  /**
   * @notice Returns the user account data across all the reserves
   * @param user The address of the user
   * @return totalCollateralBase The total collateral of the user in the base currency used by the price feed
   * @return totalDebtBase The total debt of the user in the base currency used by the price feed
   * @return availableBorrowsBase The borrowing power left of the user in the base currency used by the price feed
   * @return currentLiquidationThreshold The liquidation threshold of the user
   * @return ltv The loan to value of The user
   * @return healthFactor The current health factor of the user
   */
  function getUserAccountData(address user)
    external
    view
    returns (
      uint256 totalCollateralBase,
      uint256 totalDebtBase,
      uint256 availableBorrowsBase,
      uint256 currentLiquidationThreshold,
      uint256 ltv,
      uint256 healthFactor
    );

  /**
   * @notice Initializes a reserve, activating it, assigning an aToken and debt tokens and an
   * interest rate strategy
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param aTokenAddress The address of the aToken that will be assigned to the reserve
   * @param stableDebtAddress The address of the StableDebtToken that will be assigned to the reserve
   * @param variableDebtAddress The address of the VariableDebtToken that will be assigned to the reserve
   * @param interestRateStrategyAddress The address of the interest rate strategy contract
   */
  function initReserve(
    address asset,
    address aTokenAddress,
    address stableDebtAddress,
    address variableDebtAddress,
    address interestRateStrategyAddress
  ) external;

  /**
   * @notice Drop a reserve
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   */
  function dropReserve(address asset) external;

  /**
   * @notice Updates the address of the interest rate strategy contract
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param rateStrategyAddress The address of the interest rate strategy contract
   */
  function setReserveInterestRateStrategyAddress(address asset, address rateStrategyAddress)
    external;

  /**
   * @notice Sets the configuration bitmap of the reserve as a whole
   * @dev Only callable by the PoolConfigurator contract
   * @param asset The address of the underlying asset of the reserve
   * @param configuration The new configuration bitmap
   */
  function setConfiguration(address asset, DataTypes.ReserveConfigurationMap calldata configuration)
    external;

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

  /**
   * @notice Returns the configuration of the user across all the reserves
   * @param user The user address
   * @return The configuration of the user
   */
  function getUserConfiguration(address user)
    external
    view
    returns (DataTypes.UserConfigurationMap memory);

  /**
   * @notice Returns the 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);

  /**
   * @notice Returns the normalized variable debt per unit of asset
   * @dev WARNING: This function is intended to be used primarily by the protocol itself to get a
   * "dynamic" variable index based on time, current stored index and virtual rate at the current
   * moment (approx. a borrower would get if opening a position). This means that is always used in
   * combination with variable debt supply/balances.
   * If using this function externally, consider that is possible to have an increasing normalized
   * variable debt that is not equivalent to how the variable debt index would be updated in storage
   * (e.g. only updates with non-zero variable debt supply)
   * @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);

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

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

  /**
   * @notice Returns the list of the underlying assets of all the initialized reserves
   * @dev It does not include dropped reserves
   * @return The addresses of the underlying assets of the initialized reserves
   */
  function getReservesList() external view returns (address[] memory);

  /**
   * @notice Returns the address of the underlying asset of a reserve by the reserve id as stored in the DataTypes.ReserveData struct
   * @param id The id of the reserve as stored in the DataTypes.ReserveData struct
   * @return The address of the reserve associated with id
   */
  function getReserveAddressById(uint16 id) external view returns (address);

  /**
   * @notice Returns the PoolAddressesProvider connected to this contract
   * @return The address of the PoolAddressesProvider
   */
  function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);

  /**
   * @notice Updates the protocol fee on the bridging
   * @param bridgeProtocolFee The part of the premium sent to the protocol treasury
   */
  function updateBridgeProtocolFee(uint256 bridgeProtocolFee) external;

  /**
   * @notice Updates flash loan premiums. Flash loan premium consists of two parts:
   * - A part is sent to aToken holders as extra, one time accumulated interest
   * - A part is collected by the protocol treasury
   * @dev The total premium is calculated on the total borrowed amount
   * @dev The premium to protocol is calculated on the total premium, being a percentage of `flashLoanPremiumTotal`
   * @dev Only callable by the PoolConfigurator contract
   * @param flashLoanPremiumTotal The total premium, expressed in bps
   * @param flashLoanPremiumToProtocol The part of the premium sent to the protocol treasury, expressed in bps
   */
  function updateFlashloanPremiums(
    uint128 flashLoanPremiumTotal,
    uint128 flashLoanPremiumToProtocol
  ) external;

  /**
   * @notice Configures a new category for the eMode.
   * @dev In eMode, the protocol allows very high borrowing power to borrow assets of the same category.
   * The category 0 is reserved as it's the default for volatile assets
   * @param id The id of the category
   * @param config The configuration of the category
   */
  function configureEModeCategory(uint8 id, DataTypes.EModeCategory memory config) external;

  /**
   * @notice Returns the data of an eMode category
   * @param id The id of the category
   * @return The configuration data of the category
   */
  function getEModeCategoryData(uint8 id) external view returns (DataTypes.EModeCategory memory);

  /**
   * @notice Allows a user to use the protocol in eMode
   * @param categoryId The id of the category
   */
  function setUserEMode(uint8 categoryId) external;

  /**
   * @notice Returns the eMode the user is using
   * @param user The address of the user
   * @return The eMode id
   */
  function getUserEMode(address user) external view returns (uint256);

  /**
   * @notice Resets the isolation mode total debt of the given asset to zero
   * @dev It requires the given asset has zero debt ceiling
   * @param asset The address of the underlying asset to reset the isolationModeTotalDebt
   */
  function resetIsolationModeTotalDebt(address asset) external;

  /**
   * @notice Returns the percentage of available liquidity that can be borrowed at once at stable rate
   * @return The percentage of available liquidity to borrow, expressed in bps
   */
  function MAX_STABLE_RATE_BORROW_SIZE_PERCENT() external view returns (uint256);

  /**
   * @notice Returns the total fee on flash loans
   * @return The total fee on flashloans
   */
  function FLASHLOAN_PREMIUM_TOTAL() external view returns (uint128);

  /**
   * @notice Returns the part of the bridge fees sent to protocol
   * @return The bridge fee sent to the protocol treasury
   */
  function BRIDGE_PROTOCOL_FEE() external view returns (uint256);

  /**
   * @notice Returns the part of the flashloan fees sent to protocol
   * @return The flashloan fee sent to the protocol treasury
   */
  function FLASHLOAN_PREMIUM_TO_PROTOCOL() external view returns (uint128);

  /**
   * @notice Returns the maximum number of reserves supported to be listed in this Pool
   * @return The maximum number of reserves supported
   */
  function MAX_NUMBER_RESERVES() external view returns (uint16);

  /**
   * @notice Mints the assets accrued through the reserve factor to the treasury in the form of aTokens
   * @param assets The list of reserves for which the minting needs to be executed
   */
  function mintToTreasury(address[] calldata assets) external;

  /**
   * @notice Rescue and transfer tokens locked in this contract
   * @param token The address of the token
   * @param to The address of the recipient
   * @param amount The amount of token to transfer
   */
  function rescueTokens(
    address token,
    address to,
    uint256 amount
  ) external;

  /**
   * @notice Supplies an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
   * - E.g. User supplies 100 USDC and gets in return 100 aUSDC
   * @dev Deprecated: Use the `supply` function instead
   * @param asset The address of the underlying asset to supply
   * @param amount The amount to be supplied
   * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user
   *   wants to receive them on his own wallet, or a different address if the beneficiary of aTokens
   *   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 asset,
    uint256 amount,
    address onBehalfOf,
    uint16 referralCode
  ) external;
}

File 13 of 25 : IPoolAddressesProvider.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

/**
 * @title IPoolAddressesProvider
 * @author Aave
 * @notice Defines the basic interface for a Pool Addresses Provider.
 */
interface IPoolAddressesProvider {
  /**
   * @dev Emitted when the market identifier is updated.
   * @param oldMarketId The old id of the market
   * @param newMarketId The new id of the market
   */
  event MarketIdSet(string indexed oldMarketId, string indexed newMarketId);

  /**
   * @dev Emitted when the pool is updated.
   * @param oldAddress The old address of the Pool
   * @param newAddress The new address of the Pool
   */
  event PoolUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the pool configurator is updated.
   * @param oldAddress The old address of the PoolConfigurator
   * @param newAddress The new address of the PoolConfigurator
   */
  event PoolConfiguratorUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the price oracle is updated.
   * @param oldAddress The old address of the PriceOracle
   * @param newAddress The new address of the PriceOracle
   */
  event PriceOracleUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the ACL manager is updated.
   * @param oldAddress The old address of the ACLManager
   * @param newAddress The new address of the ACLManager
   */
  event ACLManagerUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the ACL admin is updated.
   * @param oldAddress The old address of the ACLAdmin
   * @param newAddress The new address of the ACLAdmin
   */
  event ACLAdminUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the price oracle sentinel is updated.
   * @param oldAddress The old address of the PriceOracleSentinel
   * @param newAddress The new address of the PriceOracleSentinel
   */
  event PriceOracleSentinelUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the pool data provider is updated.
   * @param oldAddress The old address of the PoolDataProvider
   * @param newAddress The new address of the PoolDataProvider
   */
  event PoolDataProviderUpdated(address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when a new proxy is created.
   * @param id The identifier of the proxy
   * @param proxyAddress The address of the created proxy contract
   * @param implementationAddress The address of the implementation contract
   */
  event ProxyCreated(
    bytes32 indexed id,
    address indexed proxyAddress,
    address indexed implementationAddress
  );

  /**
   * @dev Emitted when a new non-proxied contract address is registered.
   * @param id The identifier of the contract
   * @param oldAddress The address of the old contract
   * @param newAddress The address of the new contract
   */
  event AddressSet(bytes32 indexed id, address indexed oldAddress, address indexed newAddress);

  /**
   * @dev Emitted when the implementation of the proxy registered with id is updated
   * @param id The identifier of the contract
   * @param proxyAddress The address of the proxy contract
   * @param oldImplementationAddress The address of the old implementation contract
   * @param newImplementationAddress The address of the new implementation contract
   */
  event AddressSetAsProxy(
    bytes32 indexed id,
    address indexed proxyAddress,
    address oldImplementationAddress,
    address indexed newImplementationAddress
  );

  /**
   * @notice Returns the id of the Aave market to which this contract points to.
   * @return The market id
   */
  function getMarketId() external view returns (string memory);

  /**
   * @notice Associates an id with a specific PoolAddressesProvider.
   * @dev This can be used to create an onchain registry of PoolAddressesProviders to
   * identify and validate multiple Aave markets.
   * @param newMarketId The market id
   */
  function setMarketId(string calldata newMarketId) external;

  /**
   * @notice Returns an address by its identifier.
   * @dev The returned address might be an EOA or a contract, potentially proxied
   * @dev It returns ZERO if there is no registered address with the given id
   * @param id The id
   * @return The address of the registered for the specified id
   */
  function getAddress(bytes32 id) external view returns (address);

  /**
   * @notice 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 `newImplementationAddress`.
   * @dev 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 newImplementationAddress The address of the new implementation
   */
  function setAddressAsProxy(bytes32 id, address newImplementationAddress) external;

  /**
   * @notice Sets an address for an id replacing the address saved in the addresses map.
   * @dev 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;

  /**
   * @notice Returns the address of the Pool proxy.
   * @return The Pool proxy address
   */
  function getPool() external view returns (address);

  /**
   * @notice Updates the implementation of the Pool, or creates a proxy
   * setting the new `pool` implementation when the function is called for the first time.
   * @param newPoolImpl The new Pool implementation
   */
  function setPoolImpl(address newPoolImpl) external;

  /**
   * @notice Returns the address of the PoolConfigurator proxy.
   * @return The PoolConfigurator proxy address
   */
  function getPoolConfigurator() external view returns (address);

  /**
   * @notice Updates the implementation of the PoolConfigurator, or creates a proxy
   * setting the new `PoolConfigurator` implementation when the function is called for the first time.
   * @param newPoolConfiguratorImpl The new PoolConfigurator implementation
   */
  function setPoolConfiguratorImpl(address newPoolConfiguratorImpl) external;

  /**
   * @notice Returns the address of the price oracle.
   * @return The address of the PriceOracle
   */
  function getPriceOracle() external view returns (address);

  /**
   * @notice Updates the address of the price oracle.
   * @param newPriceOracle The address of the new PriceOracle
   */
  function setPriceOracle(address newPriceOracle) external;

  /**
   * @notice Returns the address of the ACL manager.
   * @return The address of the ACLManager
   */
  function getACLManager() external view returns (address);

  /**
   * @notice Updates the address of the ACL manager.
   * @param newAclManager The address of the new ACLManager
   */
  function setACLManager(address newAclManager) external;

  /**
   * @notice Returns the address of the ACL admin.
   * @return The address of the ACL admin
   */
  function getACLAdmin() external view returns (address);

  /**
   * @notice Updates the address of the ACL admin.
   * @param newAclAdmin The address of the new ACL admin
   */
  function setACLAdmin(address newAclAdmin) external;

  /**
   * @notice Returns the address of the price oracle sentinel.
   * @return The address of the PriceOracleSentinel
   */
  function getPriceOracleSentinel() external view returns (address);

  /**
   * @notice Updates the address of the price oracle sentinel.
   * @param newPriceOracleSentinel The address of the new PriceOracleSentinel
   */
  function setPriceOracleSentinel(address newPriceOracleSentinel) external;

  /**
   * @notice Returns the address of the data provider.
   * @return The address of the DataProvider
   */
  function getPoolDataProvider() external view returns (address);

  /**
   * @notice Updates the address of the data provider.
   * @param newDataProvider The address of the new DataProvider
   */
  function setPoolDataProvider(address newDataProvider) external;
}

File 14 of 25 : IPoolConfigurator.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {ConfiguratorInputTypes} from '../protocol/libraries/types/ConfiguratorInputTypes.sol';

/**
 * @title IPoolConfigurator
 * @author Aave
 * @notice Defines the basic interface for a Pool configurator.
 */
interface IPoolConfigurator {
  /**
   * @dev Emitted when a reserve is initialized.
   * @param asset The address of the underlying asset of the reserve
   * @param aToken The address of the associated aToken contract
   * @param stableDebtToken The address of the associated stable rate debt token
   * @param variableDebtToken The address of the associated variable rate debt token
   * @param interestRateStrategyAddress The address of the interest rate strategy for the reserve
   */
  event ReserveInitialized(
    address indexed asset,
    address indexed aToken,
    address stableDebtToken,
    address variableDebtToken,
    address interestRateStrategyAddress
  );

  /**
   * @dev Emitted when borrowing is enabled or disabled on a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if borrowing is enabled, false otherwise
   */
  event ReserveBorrowing(address indexed asset, bool enabled);

  /**
   * @dev Emitted when flashloans are enabled or disabled on a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if flashloans are enabled, false otherwise
   */
  event ReserveFlashLoaning(address indexed asset, bool enabled);

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

  /**
   * @dev Emitted when stable rate borrowing is enabled or disabled on a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if stable rate borrowing is enabled, false otherwise
   */
  event ReserveStableRateBorrowing(address indexed asset, bool enabled);

  /**
   * @dev Emitted when a reserve is activated or deactivated
   * @param asset The address of the underlying asset of the reserve
   * @param active True if reserve is active, false otherwise
   */
  event ReserveActive(address indexed asset, bool active);

  /**
   * @dev Emitted when a reserve is frozen or unfrozen
   * @param asset The address of the underlying asset of the reserve
   * @param frozen True if reserve is frozen, false otherwise
   */
  event ReserveFrozen(address indexed asset, bool frozen);

  /**
   * @dev Emitted when a reserve is paused or unpaused
   * @param asset The address of the underlying asset of the reserve
   * @param paused True if reserve is paused, false otherwise
   */
  event ReservePaused(address indexed asset, bool paused);

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

  /**
   * @dev Emitted when a reserve factor is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldReserveFactor The old reserve factor, expressed in bps
   * @param newReserveFactor The new reserve factor, expressed in bps
   */
  event ReserveFactorChanged(
    address indexed asset,
    uint256 oldReserveFactor,
    uint256 newReserveFactor
  );

  /**
   * @dev Emitted when the borrow cap of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldBorrowCap The old borrow cap
   * @param newBorrowCap The new borrow cap
   */
  event BorrowCapChanged(address indexed asset, uint256 oldBorrowCap, uint256 newBorrowCap);

  /**
   * @dev Emitted when the supply cap of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldSupplyCap The old supply cap
   * @param newSupplyCap The new supply cap
   */
  event SupplyCapChanged(address indexed asset, uint256 oldSupplyCap, uint256 newSupplyCap);

  /**
   * @dev Emitted when the liquidation protocol fee of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldFee The old liquidation protocol fee, expressed in bps
   * @param newFee The new liquidation protocol fee, expressed in bps
   */
  event LiquidationProtocolFeeChanged(address indexed asset, uint256 oldFee, uint256 newFee);

  /**
   * @dev Emitted when the unbacked mint cap of a reserve is updated.
   * @param asset The address of the underlying asset of the reserve
   * @param oldUnbackedMintCap The old unbacked mint cap
   * @param newUnbackedMintCap The new unbacked mint cap
   */
  event UnbackedMintCapChanged(
    address indexed asset,
    uint256 oldUnbackedMintCap,
    uint256 newUnbackedMintCap
  );

  /**
   * @dev Emitted when the category of an asset in eMode is changed.
   * @param asset The address of the underlying asset of the reserve
   * @param oldCategoryId The old eMode asset category
   * @param newCategoryId The new eMode asset category
   */
  event EModeAssetCategoryChanged(address indexed asset, uint8 oldCategoryId, uint8 newCategoryId);

  /**
   * @dev Emitted when a new eMode category is added.
   * @param categoryId The new eMode category id
   * @param ltv The ltv for the asset category in eMode
   * @param liquidationThreshold The liquidationThreshold for the asset category in eMode
   * @param liquidationBonus The liquidationBonus for the asset category in eMode
   * @param oracle The optional address of the price oracle specific for this category
   * @param label A human readable identifier for the category
   */
  event EModeCategoryAdded(
    uint8 indexed categoryId,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus,
    address oracle,
    string label
  );

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

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

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

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

  /**
   * @dev Emitted when the debt ceiling of an asset is set.
   * @param asset The address of the underlying asset of the reserve
   * @param oldDebtCeiling The old debt ceiling
   * @param newDebtCeiling The new debt ceiling
   */
  event DebtCeilingChanged(address indexed asset, uint256 oldDebtCeiling, uint256 newDebtCeiling);

  /**
   * @dev Emitted when the the siloed borrowing state for an asset is changed.
   * @param asset The address of the underlying asset of the reserve
   * @param oldState The old siloed borrowing state
   * @param newState The new siloed borrowing state
   */
  event SiloedBorrowingChanged(address indexed asset, bool oldState, bool newState);

  /**
   * @dev Emitted when the bridge protocol fee is updated.
   * @param oldBridgeProtocolFee The old protocol fee, expressed in bps
   * @param newBridgeProtocolFee The new protocol fee, expressed in bps
   */
  event BridgeProtocolFeeUpdated(uint256 oldBridgeProtocolFee, uint256 newBridgeProtocolFee);

  /**
   * @dev Emitted when the total premium on flashloans is updated.
   * @param oldFlashloanPremiumTotal The old premium, expressed in bps
   * @param newFlashloanPremiumTotal The new premium, expressed in bps
   */
  event FlashloanPremiumTotalUpdated(
    uint128 oldFlashloanPremiumTotal,
    uint128 newFlashloanPremiumTotal
  );

  /**
   * @dev Emitted when the part of the premium that goes to protocol is updated.
   * @param oldFlashloanPremiumToProtocol The old premium, expressed in bps
   * @param newFlashloanPremiumToProtocol The new premium, expressed in bps
   */
  event FlashloanPremiumToProtocolUpdated(
    uint128 oldFlashloanPremiumToProtocol,
    uint128 newFlashloanPremiumToProtocol
  );

  /**
   * @dev Emitted when the reserve is set as borrowable/non borrowable in isolation mode.
   * @param asset The address of the underlying asset of the reserve
   * @param borrowable True if the reserve is borrowable in isolation, false otherwise
   */
  event BorrowableInIsolationChanged(address asset, bool borrowable);

  /**
   * @notice Initializes multiple reserves.
   * @param input The array of initialization parameters
   */
  function initReserves(ConfiguratorInputTypes.InitReserveInput[] calldata input) external;

  /**
   * @dev Updates the aToken implementation for the reserve.
   * @param input The aToken update parameters
   */
  function updateAToken(ConfiguratorInputTypes.UpdateATokenInput calldata input) external;

  /**
   * @notice Updates the stable debt token implementation for the reserve.
   * @param input The stableDebtToken update parameters
   */
  function updateStableDebtToken(ConfiguratorInputTypes.UpdateDebtTokenInput calldata input)
    external;

  /**
   * @notice Updates the variable debt token implementation for the asset.
   * @param input The variableDebtToken update parameters
   */
  function updateVariableDebtToken(ConfiguratorInputTypes.UpdateDebtTokenInput calldata input)
    external;

  /**
   * @notice Configures borrowing on a reserve.
   * @dev Can only be disabled (set to false) if stable borrowing is disabled
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if borrowing needs to be enabled, false otherwise
   */
  function setReserveBorrowing(address asset, bool enabled) external;

  /**
   * @notice Configures the reserve collateralization parameters.
   * @dev All the values are expressed in bps. A value of 10000, results in 100.00%
   * @dev The `liquidationBonus` is always above 100%. A value of 105% means the liquidator will receive a 5% bonus
   * @param asset The address of the underlying asset of the reserve
   * @param ltv The loan to value of the asset when used as collateral
   * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized
   * @param liquidationBonus The bonus liquidators receive to liquidate this asset
   */
  function configureReserveAsCollateral(
    address asset,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus
  ) external;

  /**
   * @notice Enable or disable stable rate borrowing on a reserve.
   * @dev Can only be enabled (set to true) if borrowing is enabled
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if stable rate borrowing needs to be enabled, false otherwise
   */
  function setReserveStableRateBorrowing(address asset, bool enabled) external;

  /**
   * @notice Enable or disable flashloans on a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param enabled True if flashloans need to be enabled, false otherwise
   */
  function setReserveFlashLoaning(address asset, bool enabled) external;

  /**
   * @notice Activate or deactivate a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param active True if the reserve needs to be active, false otherwise
   */
  function setReserveActive(address asset, bool active) external;

  /**
   * @notice Freeze or unfreeze a reserve. A frozen reserve doesn't allow any new supply, borrow
   * or rate swap but allows repayments, liquidations, rate rebalances and withdrawals.
   * @param asset The address of the underlying asset of the reserve
   * @param freeze True if the reserve needs to be frozen, false otherwise
   */
  function setReserveFreeze(address asset, bool freeze) external;

  /**
   * @notice Sets the borrowable in isolation flag for the reserve.
   * @dev When this flag is set to true, the asset will be borrowable against isolated collaterals and the
   * borrowed amount will be accumulated in the isolated collateral's total debt exposure
   * @dev Only assets of the same family (e.g. USD stablecoins) should be borrowable in isolation mode to keep
   * consistency in the debt ceiling calculations
   * @param asset The address of the underlying asset of the reserve
   * @param borrowable True if the asset should be borrowable in isolation, false otherwise
   */
  function setBorrowableInIsolation(address asset, bool borrowable) external;

  /**
   * @notice Pauses a reserve. A paused reserve does not allow any interaction (supply, borrow, repay,
   * swap interest rate, liquidate, atoken transfers).
   * @param asset The address of the underlying asset of the reserve
   * @param paused True if pausing the reserve, false if unpausing
   */
  function setReservePause(address asset, bool paused) external;

  /**
   * @notice Updates the reserve factor of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newReserveFactor The new reserve factor of the reserve
   */
  function setReserveFactor(address asset, uint256 newReserveFactor) external;

  /**
   * @notice Sets the interest rate strategy of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newRateStrategyAddress The address of the new interest strategy contract
   */
  function setReserveInterestRateStrategyAddress(address asset, address newRateStrategyAddress)
    external;

  /**
   * @notice Pauses or unpauses all the protocol reserves. In the paused state all the protocol interactions
   * are suspended.
   * @param paused True if protocol needs to be paused, false otherwise
   */
  function setPoolPause(bool paused) external;

  /**
   * @notice Updates the borrow cap of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newBorrowCap The new borrow cap of the reserve
   */
  function setBorrowCap(address asset, uint256 newBorrowCap) external;

  /**
   * @notice Updates the supply cap of a reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newSupplyCap The new supply cap of the reserve
   */
  function setSupplyCap(address asset, uint256 newSupplyCap) external;

  /**
   * @notice Updates the liquidation protocol fee of reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newFee The new liquidation protocol fee of the reserve, expressed in bps
   */
  function setLiquidationProtocolFee(address asset, uint256 newFee) external;

  /**
   * @notice Updates the unbacked mint cap of reserve.
   * @param asset The address of the underlying asset of the reserve
   * @param newUnbackedMintCap The new unbacked mint cap of the reserve
   */
  function setUnbackedMintCap(address asset, uint256 newUnbackedMintCap) external;

  /**
   * @notice Assign an efficiency mode (eMode) category to asset.
   * @param asset The address of the underlying asset of the reserve
   * @param newCategoryId The new category id of the asset
   */
  function setAssetEModeCategory(address asset, uint8 newCategoryId) external;

  /**
   * @notice Adds a new efficiency mode (eMode) category.
   * @dev If zero is provided as oracle address, the default asset oracles will be used to compute the overall debt and
   * overcollateralization of the users using this category.
   * @dev The new ltv and liquidation threshold must be greater than the base
   * ltvs and liquidation thresholds of all assets within the eMode category
   * @param categoryId The id of the category to be configured
   * @param ltv The ltv associated with the category
   * @param liquidationThreshold The liquidation threshold associated with the category
   * @param liquidationBonus The liquidation bonus associated with the category
   * @param oracle The oracle associated with the category
   * @param label A label identifying the category
   */
  function setEModeCategory(
    uint8 categoryId,
    uint16 ltv,
    uint16 liquidationThreshold,
    uint16 liquidationBonus,
    address oracle,
    string calldata label
  ) external;

  /**
   * @notice Drops a reserve entirely.
   * @param asset The address of the reserve to drop
   */
  function dropReserve(address asset) external;

  /**
   * @notice Updates the bridge fee collected by the protocol reserves.
   * @param newBridgeProtocolFee The part of the fee sent to the protocol treasury, expressed in bps
   */
  function updateBridgeProtocolFee(uint256 newBridgeProtocolFee) external;

  /**
   * @notice Updates the total flash loan premium.
   * Total flash loan premium consists of two parts:
   * - A part is sent to aToken holders as extra balance
   * - A part is collected by the protocol reserves
   * @dev Expressed in bps
   * @dev The premium is calculated on the total amount borrowed
   * @param newFlashloanPremiumTotal The total flashloan premium
   */
  function updateFlashloanPremiumTotal(uint128 newFlashloanPremiumTotal) external;

  /**
   * @notice Updates the flash loan premium collected by protocol reserves
   * @dev Expressed in bps
   * @dev The premium to protocol is calculated on the total flashloan premium
   * @param newFlashloanPremiumToProtocol The part of the flashloan premium sent to the protocol treasury
   */
  function updateFlashloanPremiumToProtocol(uint128 newFlashloanPremiumToProtocol) external;

  /**
   * @notice Sets the debt ceiling for an asset.
   * @param newDebtCeiling The new debt ceiling
   */
  function setDebtCeiling(address asset, uint256 newDebtCeiling) external;

  /**
   * @notice Sets siloed borrowing for an asset
   * @param siloed The new siloed borrowing state
   */
  function setSiloedBorrowing(address asset, bool siloed) external;
}

File 15 of 25 : IPoolDataProvider.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity ^0.8.0;

import {IPoolAddressesProvider} from './IPoolAddressesProvider.sol';

/**
 * @title IPoolDataProvider
 * @author Aave
 * @notice Defines the basic interface of a PoolDataProvider
 */
interface IPoolDataProvider {
  struct TokenData {
    string symbol;
    address tokenAddress;
  }

  /**
   * @notice Returns the address for the PoolAddressesProvider contract.
   * @return The address for the PoolAddressesProvider contract
   */
  function ADDRESSES_PROVIDER() external view returns (IPoolAddressesProvider);

  /**
   * @notice Returns the list of the existing reserves in the pool.
   * @dev Handling MKR and ETH in a different way since they do not have standard `symbol` functions.
   * @return The list of reserves, pairs of symbols and addresses
   */
  function getAllReservesTokens() external view returns (TokenData[] memory);

  /**
   * @notice Returns the list of the existing ATokens in the pool.
   * @return The list of ATokens, pairs of symbols and addresses
   */
  function getAllATokens() external view returns (TokenData[] memory);

  /**
   * @notice Returns the configuration data of the reserve
   * @dev Not returning borrow and supply caps for compatibility, nor pause flag
   * @param asset The address of the underlying asset of the reserve
   * @return decimals The number of decimals of the reserve
   * @return ltv The ltv of the reserve
   * @return liquidationThreshold The liquidationThreshold of the reserve
   * @return liquidationBonus The liquidationBonus of the reserve
   * @return reserveFactor The reserveFactor of the reserve
   * @return usageAsCollateralEnabled True if the usage as collateral is enabled, false otherwise
   * @return borrowingEnabled True if borrowing is enabled, false otherwise
   * @return stableBorrowRateEnabled True if stable rate borrowing is enabled, false otherwise
   * @return isActive True if it is active, false otherwise
   * @return isFrozen True if it is frozen, false otherwise
   */
  function getReserveConfigurationData(address asset)
    external
    view
    returns (
      uint256 decimals,
      uint256 ltv,
      uint256 liquidationThreshold,
      uint256 liquidationBonus,
      uint256 reserveFactor,
      bool usageAsCollateralEnabled,
      bool borrowingEnabled,
      bool stableBorrowRateEnabled,
      bool isActive,
      bool isFrozen
    );

  /**
   * @notice Returns the efficiency mode category of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The eMode id of the reserve
   */
  function getReserveEModeCategory(address asset) external view returns (uint256);

  /**
   * @notice Returns the caps parameters of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return borrowCap The borrow cap of the reserve
   * @return supplyCap The supply cap of the reserve
   */
  function getReserveCaps(address asset)
    external
    view
    returns (uint256 borrowCap, uint256 supplyCap);

  /**
   * @notice Returns if the pool is paused
   * @param asset The address of the underlying asset of the reserve
   * @return isPaused True if the pool is paused, false otherwise
   */
  function getPaused(address asset) external view returns (bool isPaused);

  /**
   * @notice Returns the siloed borrowing flag
   * @param asset The address of the underlying asset of the reserve
   * @return True if the asset is siloed for borrowing
   */
  function getSiloedBorrowing(address asset) external view returns (bool);

  /**
   * @notice Returns the protocol fee on the liquidation bonus
   * @param asset The address of the underlying asset of the reserve
   * @return The protocol fee on liquidation
   */
  function getLiquidationProtocolFee(address asset) external view returns (uint256);

  /**
   * @notice Returns the unbacked mint cap of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The unbacked mint cap of the reserve
   */
  function getUnbackedMintCap(address asset) external view returns (uint256);

  /**
   * @notice Returns the debt ceiling of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return The debt ceiling of the reserve
   */
  function getDebtCeiling(address asset) external view returns (uint256);

  /**
   * @notice Returns the debt ceiling decimals
   * @return The debt ceiling decimals
   */
  function getDebtCeilingDecimals() external pure returns (uint256);

  /**
   * @notice Returns the reserve data
   * @param asset The address of the underlying asset of the reserve
   * @return unbacked The amount of unbacked tokens
   * @return accruedToTreasuryScaled The scaled amount of tokens accrued to treasury that is to be minted
   * @return totalAToken The total supply of the aToken
   * @return totalStableDebt The total stable debt of the reserve
   * @return totalVariableDebt The total variable debt of the reserve
   * @return liquidityRate The liquidity rate of the reserve
   * @return variableBorrowRate The variable borrow rate of the reserve
   * @return stableBorrowRate The stable borrow rate of the reserve
   * @return averageStableBorrowRate The average stable borrow rate of the reserve
   * @return liquidityIndex The liquidity index of the reserve
   * @return variableBorrowIndex The variable borrow index of the reserve
   * @return lastUpdateTimestamp The timestamp of the last update of the reserve
   */
  function getReserveData(address asset)
    external
    view
    returns (
      uint256 unbacked,
      uint256 accruedToTreasuryScaled,
      uint256 totalAToken,
      uint256 totalStableDebt,
      uint256 totalVariableDebt,
      uint256 liquidityRate,
      uint256 variableBorrowRate,
      uint256 stableBorrowRate,
      uint256 averageStableBorrowRate,
      uint256 liquidityIndex,
      uint256 variableBorrowIndex,
      uint40 lastUpdateTimestamp
    );

  /**
   * @notice Returns the total supply of aTokens for a given asset
   * @param asset The address of the underlying asset of the reserve
   * @return The total supply of the aToken
   */
  function getATokenTotalSupply(address asset) external view returns (uint256);

  /**
   * @notice Returns the total debt for a given asset
   * @param asset The address of the underlying asset of the reserve
   * @return The total debt for asset
   */
  function getTotalDebt(address asset) external view returns (uint256);

  /**
   * @notice Returns the user data in a reserve
   * @param asset The address of the underlying asset of the reserve
   * @param user The address of the user
   * @return currentATokenBalance The current AToken balance of the user
   * @return currentStableDebt The current stable debt of the user
   * @return currentVariableDebt The current variable debt of the user
   * @return principalStableDebt The principal stable debt of the user
   * @return scaledVariableDebt The scaled variable debt of the user
   * @return stableBorrowRate The stable borrow rate of the user
   * @return liquidityRate The liquidity rate of the reserve
   * @return stableRateLastUpdated The timestamp of the last update of the user stable rate
   * @return usageAsCollateralEnabled True if the user is using the asset as collateral, false
   *         otherwise
   */
  function getUserReserveData(address asset, address user)
    external
    view
    returns (
      uint256 currentATokenBalance,
      uint256 currentStableDebt,
      uint256 currentVariableDebt,
      uint256 principalStableDebt,
      uint256 scaledVariableDebt,
      uint256 stableBorrowRate,
      uint256 liquidityRate,
      uint40 stableRateLastUpdated,
      bool usageAsCollateralEnabled
    );

  /**
   * @notice Returns the token addresses of the reserve
   * @param asset The address of the underlying asset of the reserve
   * @return aTokenAddress The AToken address of the reserve
   * @return stableDebtTokenAddress The StableDebtToken address of the reserve
   * @return variableDebtTokenAddress The VariableDebtToken address of the reserve
   */
  function getReserveTokensAddresses(address asset)
    external
    view
    returns (
      address aTokenAddress,
      address stableDebtTokenAddress,
      address variableDebtTokenAddress
    );

  /**
   * @notice Returns the address of the Interest Rate strategy
   * @param asset The address of the underlying asset of the reserve
   * @return irStrategyAddress The address of the Interest Rate strategy
   */
  function getInterestRateStrategyAddress(address asset)
    external
    view
    returns (address irStrategyAddress);

  /**
   * @notice Returns whether the reserve has FlashLoans enabled or disabled
   * @param asset The address of the underlying asset of the reserve
   * @return True if FlashLoans are enabled, false otherwise
   */
  function getFlashLoanEnabled(address asset) external view returns (bool);
}

File 16 of 25 : BaseImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {BaseUpgradeabilityProxy} from '../../../dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol';

/**
 * @title BaseImmutableAdminUpgradeabilityProxy
 * @author Aave, inspired by the OpenZeppelin upgradeability proxy pattern
 * @notice This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * @dev The admin role is stored in an immutable, which helps saving transactions costs
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract BaseImmutableAdminUpgradeabilityProxy is BaseUpgradeabilityProxy {
  address internal immutable _admin;

  /**
   * @dev Constructor.
   * @param admin The address of the admin
   */
  constructor(address admin) {
    _admin = admin;
  }

  modifier ifAdmin() {
    if (msg.sender == _admin) {
      _;
    } else {
      _fallback();
    }
  }

  /**
   * @notice Return the admin address
   * @return The address of the proxy admin.
   */
  function admin() external ifAdmin returns (address) {
    return _admin;
  }

  /**
   * @notice Return the implementation address
   * @return The address of the implementation.
   */
  function implementation() external ifAdmin returns (address) {
    return _implementation();
  }

  /**
   * @notice Upgrade the backing implementation of the proxy.
   * @dev Only the admin can call this function.
   * @param newImplementation The address of the new implementation.
   */
  function upgradeTo(address newImplementation) external ifAdmin {
    _upgradeTo(newImplementation);
  }

  /**
   * @notice Upgrade the backing implementation of the proxy and call a function
   * on the new implementation.
   * @dev This is useful to initialize the proxied contract.
   * @param newImplementation The address of the new implementation.
   * @param data Data to send as msg.data in the low level call.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   */
  function upgradeToAndCall(address newImplementation, bytes calldata data)
    external
    payable
    ifAdmin
  {
    _upgradeTo(newImplementation);
    (bool success, ) = newImplementation.delegatecall(data);
    require(success);
  }

  /**
   * @notice Only fall back when the sender is not the admin.
   */
  function _willFallback() internal virtual override {
    require(msg.sender != _admin, 'Cannot call fallback function from the proxy admin');
    super._willFallback();
  }
}

File 17 of 25 : InitializableImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {InitializableUpgradeabilityProxy} from '../../../dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol';
import {Proxy} from '../../../dependencies/openzeppelin/upgradeability/Proxy.sol';
import {BaseImmutableAdminUpgradeabilityProxy} from './BaseImmutableAdminUpgradeabilityProxy.sol';

/**
 * @title InitializableAdminUpgradeabilityProxy
 * @author Aave
 * @dev Extends BaseAdminUpgradeabilityProxy with an initializer function
 */
contract InitializableImmutableAdminUpgradeabilityProxy is
  BaseImmutableAdminUpgradeabilityProxy,
  InitializableUpgradeabilityProxy
{
  /**
   * @dev Constructor.
   * @param admin The address of the admin
   */
  constructor(address admin) BaseImmutableAdminUpgradeabilityProxy(admin) {
    // Intentionally left blank
  }

  /// @inheritdoc BaseImmutableAdminUpgradeabilityProxy
  function _willFallback() internal override(BaseImmutableAdminUpgradeabilityProxy, Proxy) {
    BaseImmutableAdminUpgradeabilityProxy._willFallback();
  }
}

File 18 of 25 : VersionedInitializable.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

/**
 * @title VersionedInitializable
 * @author Aave, inspired by the OpenZeppelin Initializable contract
 * @notice Helper contract to implement initializer functions. To use it, replace
 * the constructor with a function that has the `initializer` modifier.
 * @dev WARNING: Unlike constructors, initializer functions must be manually
 * invoked. This applies both to deploying an Initializable contract, as well
 * as extending an Initializable contract via inheritance.
 * WARNING: When used with inheritance, manual care must be taken to not invoke
 * a parent initializer twice, or ensure that all initializers are idempotent,
 * because this is not dealt with automatically as with constructors.
 */
abstract contract VersionedInitializable {
  /**
   * @dev Indicates that the contract has been initialized.
   */
  uint256 private lastInitializedRevision = 0;

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

  /**
   * @dev Modifier to use in the initializer function of a contract.
   */
  modifier initializer() {
    uint256 revision = getRevision();
    require(
      initializing || isConstructor() || revision > lastInitializedRevision,
      'Contract instance has already been initialized'
    );

    bool isTopLevelCall = !initializing;
    if (isTopLevelCall) {
      initializing = true;
      lastInitializedRevision = revision;
    }

    _;

    if (isTopLevelCall) {
      initializing = false;
    }
  }

  /**
   * @notice Returns the revision number of the contract
   * @dev Needs to be defined in the inherited class as a constant.
   * @return The revision number
   */
  function getRevision() internal pure virtual returns (uint256);

  /**
   * @notice Returns true if and only if the function is running in the constructor
   * @return True if the function is running in the constructor
   */
  function isConstructor() private view returns (bool) {
    // extcodesize checks the size of the code stored in an address, and
    // address returns the current address. Since the code is still not
    // deployed when running a constructor, any checks on its code size will
    // yield zero, making it an effective way to detect if a contract is
    // under construction or not.
    uint256 cs;
    //solium-disable-next-line
    assembly {
      cs := extcodesize(address())
    }
    return cs == 0;
  }

  // Reserved storage space to allow for layout changes in the future.
  uint256[50] private ______gap;
}

File 19 of 25 : ReserveConfiguration.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

import {Errors} from '../helpers/Errors.sol';
import {DataTypes} from '../types/DataTypes.sol';

/**
 * @title ReserveConfiguration library
 * @author Aave
 * @notice Implements the bitmap logic to handle the reserve configuration
 */
library ReserveConfiguration {
  uint256 internal constant LTV_MASK =                       0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000; // prettier-ignore
  uint256 internal constant LIQUIDATION_THRESHOLD_MASK =     0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFF; // prettier-ignore
  uint256 internal constant LIQUIDATION_BONUS_MASK =         0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFF; // prettier-ignore
  uint256 internal constant DECIMALS_MASK =                  0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant ACTIVE_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant FROZEN_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant BORROWING_MASK =                 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant STABLE_BORROWING_MASK =          0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant PAUSED_MASK =                    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant BORROWABLE_IN_ISOLATION_MASK =   0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant SILOED_BORROWING_MASK =          0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant FLASHLOAN_ENABLED_MASK =         0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant RESERVE_FACTOR_MASK =            0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant BORROW_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant SUPPLY_CAP_MASK =                0xFFFFFFFFFFFFFFFFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant LIQUIDATION_PROTOCOL_FEE_MASK =  0xFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant EMODE_CATEGORY_MASK =            0xFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant UNBACKED_MINT_CAP_MASK =         0xFFFFFFFFFFF000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore
  uint256 internal constant DEBT_CEILING_MASK =              0xF0000000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF; // prettier-ignore

  /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed
  uint256 internal constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16;
  uint256 internal constant LIQUIDATION_BONUS_START_BIT_POSITION = 32;
  uint256 internal constant RESERVE_DECIMALS_START_BIT_POSITION = 48;
  uint256 internal constant IS_ACTIVE_START_BIT_POSITION = 56;
  uint256 internal constant IS_FROZEN_START_BIT_POSITION = 57;
  uint256 internal constant BORROWING_ENABLED_START_BIT_POSITION = 58;
  uint256 internal constant STABLE_BORROWING_ENABLED_START_BIT_POSITION = 59;
  uint256 internal constant IS_PAUSED_START_BIT_POSITION = 60;
  uint256 internal constant BORROWABLE_IN_ISOLATION_START_BIT_POSITION = 61;
  uint256 internal constant SILOED_BORROWING_START_BIT_POSITION = 62;
  uint256 internal constant FLASHLOAN_ENABLED_START_BIT_POSITION = 63;
  uint256 internal constant RESERVE_FACTOR_START_BIT_POSITION = 64;
  uint256 internal constant BORROW_CAP_START_BIT_POSITION = 80;
  uint256 internal constant SUPPLY_CAP_START_BIT_POSITION = 116;
  uint256 internal constant LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION = 152;
  uint256 internal constant EMODE_CATEGORY_START_BIT_POSITION = 168;
  uint256 internal constant UNBACKED_MINT_CAP_START_BIT_POSITION = 176;
  uint256 internal constant DEBT_CEILING_START_BIT_POSITION = 212;

  uint256 internal constant MAX_VALID_LTV = 65535;
  uint256 internal constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535;
  uint256 internal constant MAX_VALID_LIQUIDATION_BONUS = 65535;
  uint256 internal constant MAX_VALID_DECIMALS = 255;
  uint256 internal constant MAX_VALID_RESERVE_FACTOR = 65535;
  uint256 internal constant MAX_VALID_BORROW_CAP = 68719476735;
  uint256 internal constant MAX_VALID_SUPPLY_CAP = 68719476735;
  uint256 internal constant MAX_VALID_LIQUIDATION_PROTOCOL_FEE = 65535;
  uint256 internal constant MAX_VALID_EMODE_CATEGORY = 255;
  uint256 internal constant MAX_VALID_UNBACKED_MINT_CAP = 68719476735;
  uint256 internal constant MAX_VALID_DEBT_CEILING = 1099511627775;

  uint256 public constant DEBT_CEILING_DECIMALS = 2;
  uint16 public constant MAX_RESERVES_COUNT = 128;

  /**
   * @notice Sets the Loan to Value of the reserve
   * @param self The reserve configuration
   * @param ltv The new ltv
   */
  function setLtv(DataTypes.ReserveConfigurationMap memory self, uint256 ltv) internal pure {
    require(ltv <= MAX_VALID_LTV, Errors.INVALID_LTV);

    self.data = (self.data & LTV_MASK) | ltv;
  }

  /**
   * @notice Gets the Loan to Value of the reserve
   * @param self The reserve configuration
   * @return The loan to value
   */
  function getLtv(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint256) {
    return self.data & ~LTV_MASK;
  }

  /**
   * @notice Sets the liquidation threshold of the reserve
   * @param self The reserve configuration
   * @param threshold The new liquidation threshold
   */
  function setLiquidationThreshold(DataTypes.ReserveConfigurationMap memory self, uint256 threshold)
    internal
    pure
  {
    require(threshold <= MAX_VALID_LIQUIDATION_THRESHOLD, Errors.INVALID_LIQ_THRESHOLD);

    self.data =
      (self.data & LIQUIDATION_THRESHOLD_MASK) |
      (threshold << LIQUIDATION_THRESHOLD_START_BIT_POSITION);
  }

  /**
   * @notice Gets the liquidation threshold of the reserve
   * @param self The reserve configuration
   * @return The liquidation threshold
   */
  function getLiquidationThreshold(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION;
  }

  /**
   * @notice Sets the liquidation bonus of the reserve
   * @param self The reserve configuration
   * @param bonus The new liquidation bonus
   */
  function setLiquidationBonus(DataTypes.ReserveConfigurationMap memory self, uint256 bonus)
    internal
    pure
  {
    require(bonus <= MAX_VALID_LIQUIDATION_BONUS, Errors.INVALID_LIQ_BONUS);

    self.data =
      (self.data & LIQUIDATION_BONUS_MASK) |
      (bonus << LIQUIDATION_BONUS_START_BIT_POSITION);
  }

  /**
   * @notice Gets the liquidation bonus of the reserve
   * @param self The reserve configuration
   * @return The liquidation bonus
   */
  function getLiquidationBonus(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION;
  }

  /**
   * @notice Sets the decimals of the underlying asset of the reserve
   * @param self The reserve configuration
   * @param decimals The decimals
   */
  function setDecimals(DataTypes.ReserveConfigurationMap memory self, uint256 decimals)
    internal
    pure
  {
    require(decimals <= MAX_VALID_DECIMALS, Errors.INVALID_DECIMALS);

    self.data = (self.data & DECIMALS_MASK) | (decimals << RESERVE_DECIMALS_START_BIT_POSITION);
  }

  /**
   * @notice Gets the decimals of the underlying asset of the reserve
   * @param self The reserve configuration
   * @return The decimals of the asset
   */
  function getDecimals(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION;
  }

  /**
   * @notice Sets the active state of the reserve
   * @param self The reserve configuration
   * @param active The active state
   */
  function setActive(DataTypes.ReserveConfigurationMap memory self, bool active) internal pure {
    self.data =
      (self.data & ACTIVE_MASK) |
      (uint256(active ? 1 : 0) << IS_ACTIVE_START_BIT_POSITION);
  }

  /**
   * @notice Gets the active state of the reserve
   * @param self The reserve configuration
   * @return The active state
   */
  function getActive(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
    return (self.data & ~ACTIVE_MASK) != 0;
  }

  /**
   * @notice Sets the frozen state of the reserve
   * @param self The reserve configuration
   * @param frozen The frozen state
   */
  function setFrozen(DataTypes.ReserveConfigurationMap memory self, bool frozen) internal pure {
    self.data =
      (self.data & FROZEN_MASK) |
      (uint256(frozen ? 1 : 0) << IS_FROZEN_START_BIT_POSITION);
  }

  /**
   * @notice Gets the frozen state of the reserve
   * @param self The reserve configuration
   * @return The frozen state
   */
  function getFrozen(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
    return (self.data & ~FROZEN_MASK) != 0;
  }

  /**
   * @notice Sets the paused state of the reserve
   * @param self The reserve configuration
   * @param paused The paused state
   */
  function setPaused(DataTypes.ReserveConfigurationMap memory self, bool paused) internal pure {
    self.data =
      (self.data & PAUSED_MASK) |
      (uint256(paused ? 1 : 0) << IS_PAUSED_START_BIT_POSITION);
  }

  /**
   * @notice Gets the paused state of the reserve
   * @param self The reserve configuration
   * @return The paused state
   */
  function getPaused(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) {
    return (self.data & ~PAUSED_MASK) != 0;
  }

  /**
   * @notice Sets the borrowable in isolation flag for the reserve.
   * @dev When this flag is set to true, the asset will be borrowable against isolated collaterals and the borrowed
   * amount will be accumulated in the isolated collateral's total debt exposure.
   * @dev Only assets of the same family (eg USD stablecoins) should be borrowable in isolation mode to keep
   * consistency in the debt ceiling calculations.
   * @param self The reserve configuration
   * @param borrowable True if the asset is borrowable
   */
  function setBorrowableInIsolation(DataTypes.ReserveConfigurationMap memory self, bool borrowable)
    internal
    pure
  {
    self.data =
      (self.data & BORROWABLE_IN_ISOLATION_MASK) |
      (uint256(borrowable ? 1 : 0) << BORROWABLE_IN_ISOLATION_START_BIT_POSITION);
  }

  /**
   * @notice Gets the borrowable in isolation flag for the reserve.
   * @dev If the returned flag is true, the asset is borrowable against isolated collateral. Assets borrowed with
   * isolated collateral is accounted for in the isolated collateral's total debt exposure.
   * @dev Only assets of the same family (eg USD stablecoins) should be borrowable in isolation mode to keep
   * consistency in the debt ceiling calculations.
   * @param self The reserve configuration
   * @return The borrowable in isolation flag
   */
  function getBorrowableInIsolation(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (bool)
  {
    return (self.data & ~BORROWABLE_IN_ISOLATION_MASK) != 0;
  }

  /**
   * @notice Sets the siloed borrowing flag for the reserve.
   * @dev When this flag is set to true, users borrowing this asset will not be allowed to borrow any other asset.
   * @param self The reserve configuration
   * @param siloed True if the asset is siloed
   */
  function setSiloedBorrowing(DataTypes.ReserveConfigurationMap memory self, bool siloed)
    internal
    pure
  {
    self.data =
      (self.data & SILOED_BORROWING_MASK) |
      (uint256(siloed ? 1 : 0) << SILOED_BORROWING_START_BIT_POSITION);
  }

  /**
   * @notice Gets the siloed borrowing flag for the reserve.
   * @dev When this flag is set to true, users borrowing this asset will not be allowed to borrow any other asset.
   * @param self The reserve configuration
   * @return The siloed borrowing flag
   */
  function getSiloedBorrowing(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (bool)
  {
    return (self.data & ~SILOED_BORROWING_MASK) != 0;
  }

  /**
   * @notice Enables or disables borrowing on the reserve
   * @param self The reserve configuration
   * @param enabled True if the borrowing needs to be enabled, false otherwise
   */
  function setBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self, bool enabled)
    internal
    pure
  {
    self.data =
      (self.data & BORROWING_MASK) |
      (uint256(enabled ? 1 : 0) << BORROWING_ENABLED_START_BIT_POSITION);
  }

  /**
   * @notice Gets the borrowing state of the reserve
   * @param self The reserve configuration
   * @return The borrowing state
   */
  function getBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (bool)
  {
    return (self.data & ~BORROWING_MASK) != 0;
  }

  /**
   * @notice Enables or disables stable rate borrowing on the reserve
   * @param self The reserve configuration
   * @param enabled True if the stable rate borrowing needs to be enabled, false otherwise
   */
  function setStableRateBorrowingEnabled(
    DataTypes.ReserveConfigurationMap memory self,
    bool enabled
  ) internal pure {
    self.data =
      (self.data & STABLE_BORROWING_MASK) |
      (uint256(enabled ? 1 : 0) << STABLE_BORROWING_ENABLED_START_BIT_POSITION);
  }

  /**
   * @notice Gets the stable rate borrowing state of the reserve
   * @param self The reserve configuration
   * @return The stable rate borrowing state
   */
  function getStableRateBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (bool)
  {
    return (self.data & ~STABLE_BORROWING_MASK) != 0;
  }

  /**
   * @notice Sets the reserve factor of the reserve
   * @param self The reserve configuration
   * @param reserveFactor The reserve factor
   */
  function setReserveFactor(DataTypes.ReserveConfigurationMap memory self, uint256 reserveFactor)
    internal
    pure
  {
    require(reserveFactor <= MAX_VALID_RESERVE_FACTOR, Errors.INVALID_RESERVE_FACTOR);

    self.data =
      (self.data & RESERVE_FACTOR_MASK) |
      (reserveFactor << RESERVE_FACTOR_START_BIT_POSITION);
  }

  /**
   * @notice Gets the reserve factor of the reserve
   * @param self The reserve configuration
   * @return The reserve factor
   */
  function getReserveFactor(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION;
  }

  /**
   * @notice Sets the borrow cap of the reserve
   * @param self The reserve configuration
   * @param borrowCap The borrow cap
   */
  function setBorrowCap(DataTypes.ReserveConfigurationMap memory self, uint256 borrowCap)
    internal
    pure
  {
    require(borrowCap <= MAX_VALID_BORROW_CAP, Errors.INVALID_BORROW_CAP);

    self.data = (self.data & BORROW_CAP_MASK) | (borrowCap << BORROW_CAP_START_BIT_POSITION);
  }

  /**
   * @notice Gets the borrow cap of the reserve
   * @param self The reserve configuration
   * @return The borrow cap
   */
  function getBorrowCap(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION;
  }

  /**
   * @notice Sets the supply cap of the reserve
   * @param self The reserve configuration
   * @param supplyCap The supply cap
   */
  function setSupplyCap(DataTypes.ReserveConfigurationMap memory self, uint256 supplyCap)
    internal
    pure
  {
    require(supplyCap <= MAX_VALID_SUPPLY_CAP, Errors.INVALID_SUPPLY_CAP);

    self.data = (self.data & SUPPLY_CAP_MASK) | (supplyCap << SUPPLY_CAP_START_BIT_POSITION);
  }

  /**
   * @notice Gets the supply cap of the reserve
   * @param self The reserve configuration
   * @return The supply cap
   */
  function getSupplyCap(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION;
  }

  /**
   * @notice Sets the debt ceiling in isolation mode for the asset
   * @param self The reserve configuration
   * @param ceiling The maximum debt ceiling for the asset
   */
  function setDebtCeiling(DataTypes.ReserveConfigurationMap memory self, uint256 ceiling)
    internal
    pure
  {
    require(ceiling <= MAX_VALID_DEBT_CEILING, Errors.INVALID_DEBT_CEILING);

    self.data = (self.data & DEBT_CEILING_MASK) | (ceiling << DEBT_CEILING_START_BIT_POSITION);
  }

  /**
   * @notice Gets the debt ceiling for the asset if the asset is in isolation mode
   * @param self The reserve configuration
   * @return The debt ceiling (0 = isolation mode disabled)
   */
  function getDebtCeiling(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~DEBT_CEILING_MASK) >> DEBT_CEILING_START_BIT_POSITION;
  }

  /**
   * @notice Sets the liquidation protocol fee of the reserve
   * @param self The reserve configuration
   * @param liquidationProtocolFee The liquidation protocol fee
   */
  function setLiquidationProtocolFee(
    DataTypes.ReserveConfigurationMap memory self,
    uint256 liquidationProtocolFee
  ) internal pure {
    require(
      liquidationProtocolFee <= MAX_VALID_LIQUIDATION_PROTOCOL_FEE,
      Errors.INVALID_LIQUIDATION_PROTOCOL_FEE
    );

    self.data =
      (self.data & LIQUIDATION_PROTOCOL_FEE_MASK) |
      (liquidationProtocolFee << LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION);
  }

  /**
   * @dev Gets the liquidation protocol fee
   * @param self The reserve configuration
   * @return The liquidation protocol fee
   */
  function getLiquidationProtocolFee(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return
      (self.data & ~LIQUIDATION_PROTOCOL_FEE_MASK) >> LIQUIDATION_PROTOCOL_FEE_START_BIT_POSITION;
  }

  /**
   * @notice Sets the unbacked mint cap of the reserve
   * @param self The reserve configuration
   * @param unbackedMintCap The unbacked mint cap
   */
  function setUnbackedMintCap(
    DataTypes.ReserveConfigurationMap memory self,
    uint256 unbackedMintCap
  ) internal pure {
    require(unbackedMintCap <= MAX_VALID_UNBACKED_MINT_CAP, Errors.INVALID_UNBACKED_MINT_CAP);

    self.data =
      (self.data & UNBACKED_MINT_CAP_MASK) |
      (unbackedMintCap << UNBACKED_MINT_CAP_START_BIT_POSITION);
  }

  /**
   * @dev Gets the unbacked mint cap of the reserve
   * @param self The reserve configuration
   * @return The unbacked mint cap
   */
  function getUnbackedMintCap(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~UNBACKED_MINT_CAP_MASK) >> UNBACKED_MINT_CAP_START_BIT_POSITION;
  }

  /**
   * @notice Sets the eMode asset category
   * @param self The reserve configuration
   * @param category The asset category when the user selects the eMode
   */
  function setEModeCategory(DataTypes.ReserveConfigurationMap memory self, uint256 category)
    internal
    pure
  {
    require(category <= MAX_VALID_EMODE_CATEGORY, Errors.INVALID_EMODE_CATEGORY);

    self.data = (self.data & EMODE_CATEGORY_MASK) | (category << EMODE_CATEGORY_START_BIT_POSITION);
  }

  /**
   * @dev Gets the eMode asset category
   * @param self The reserve configuration
   * @return The eMode category for the asset
   */
  function getEModeCategory(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256)
  {
    return (self.data & ~EMODE_CATEGORY_MASK) >> EMODE_CATEGORY_START_BIT_POSITION;
  }

  /**
   * @notice Sets the flashloanable flag for the reserve
   * @param self The reserve configuration
   * @param flashLoanEnabled True if the asset is flashloanable, false otherwise
   */
  function setFlashLoanEnabled(DataTypes.ReserveConfigurationMap memory self, bool flashLoanEnabled)
    internal
    pure
  {
    self.data =
      (self.data & FLASHLOAN_ENABLED_MASK) |
      (uint256(flashLoanEnabled ? 1 : 0) << FLASHLOAN_ENABLED_START_BIT_POSITION);
  }

  /**
   * @notice Gets the flashloanable flag for the reserve
   * @param self The reserve configuration
   * @return The flashloanable flag
   */
  function getFlashLoanEnabled(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (bool)
  {
    return (self.data & ~FLASHLOAN_ENABLED_MASK) != 0;
  }

  /**
   * @notice Gets the configuration flags of the reserve
   * @param self The reserve configuration
   * @return The state flag representing active
   * @return The state flag representing frozen
   * @return The state flag representing borrowing enabled
   * @return The state flag representing stableRateBorrowing enabled
   * @return The state flag representing paused
   */
  function getFlags(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (
      bool,
      bool,
      bool,
      bool,
      bool
    )
  {
    uint256 dataLocal = self.data;

    return (
      (dataLocal & ~ACTIVE_MASK) != 0,
      (dataLocal & ~FROZEN_MASK) != 0,
      (dataLocal & ~BORROWING_MASK) != 0,
      (dataLocal & ~STABLE_BORROWING_MASK) != 0,
      (dataLocal & ~PAUSED_MASK) != 0
    );
  }

  /**
   * @notice Gets the configuration parameters of the reserve from storage
   * @param self The reserve configuration
   * @return The state param representing ltv
   * @return The state param representing liquidation threshold
   * @return The state param representing liquidation bonus
   * @return The state param representing reserve decimals
   * @return The state param representing reserve factor
   * @return The state param representing eMode category
   */
  function getParams(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (
      uint256,
      uint256,
      uint256,
      uint256,
      uint256,
      uint256
    )
  {
    uint256 dataLocal = self.data;

    return (
      dataLocal & ~LTV_MASK,
      (dataLocal & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION,
      (dataLocal & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION,
      (dataLocal & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION,
      (dataLocal & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION,
      (dataLocal & ~EMODE_CATEGORY_MASK) >> EMODE_CATEGORY_START_BIT_POSITION
    );
  }

  /**
   * @notice Gets the caps parameters of the reserve from storage
   * @param self The reserve configuration
   * @return The state param representing borrow cap
   * @return The state param representing supply cap.
   */
  function getCaps(DataTypes.ReserveConfigurationMap memory self)
    internal
    pure
    returns (uint256, uint256)
  {
    uint256 dataLocal = self.data;

    return (
      (dataLocal & ~BORROW_CAP_MASK) >> BORROW_CAP_START_BIT_POSITION,
      (dataLocal & ~SUPPLY_CAP_MASK) >> SUPPLY_CAP_START_BIT_POSITION
    );
  }
}

File 20 of 25 : Errors.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

/**
 * @title Errors library
 * @author Aave
 * @notice Defines the error messages emitted by the different contracts of the Aave protocol
 */
library Errors {
  string public constant CALLER_NOT_POOL_ADMIN = '1'; // 'The caller of the function is not a pool admin'
  string public constant CALLER_NOT_EMERGENCY_ADMIN = '2'; // 'The caller of the function is not an emergency admin'
  string public constant CALLER_NOT_POOL_OR_EMERGENCY_ADMIN = '3'; // 'The caller of the function is not a pool or emergency admin'
  string public constant CALLER_NOT_RISK_OR_POOL_ADMIN = '4'; // 'The caller of the function is not a risk or pool admin'
  string public constant CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN = '5'; // 'The caller of the function is not an asset listing or pool admin'
  string public constant CALLER_NOT_BRIDGE = '6'; // 'The caller of the function is not a bridge'
  string public constant ADDRESSES_PROVIDER_NOT_REGISTERED = '7'; // 'Pool addresses provider is not registered'
  string public constant INVALID_ADDRESSES_PROVIDER_ID = '8'; // 'Invalid id for the pool addresses provider'
  string public constant NOT_CONTRACT = '9'; // 'Address is not a contract'
  string public constant CALLER_NOT_POOL_CONFIGURATOR = '10'; // 'The caller of the function is not the pool configurator'
  string public constant CALLER_NOT_ATOKEN = '11'; // 'The caller of the function is not an AToken'
  string public constant INVALID_ADDRESSES_PROVIDER = '12'; // 'The address of the pool addresses provider is invalid'
  string public constant INVALID_FLASHLOAN_EXECUTOR_RETURN = '13'; // 'Invalid return value of the flashloan executor function'
  string public constant RESERVE_ALREADY_ADDED = '14'; // 'Reserve has already been added to reserve list'
  string public constant NO_MORE_RESERVES_ALLOWED = '15'; // 'Maximum amount of reserves in the pool reached'
  string public constant EMODE_CATEGORY_RESERVED = '16'; // 'Zero eMode category is reserved for volatile heterogeneous assets'
  string public constant INVALID_EMODE_CATEGORY_ASSIGNMENT = '17'; // 'Invalid eMode category assignment to asset'
  string public constant RESERVE_LIQUIDITY_NOT_ZERO = '18'; // 'The liquidity of the reserve needs to be 0'
  string public constant FLASHLOAN_PREMIUM_INVALID = '19'; // 'Invalid flashloan premium'
  string public constant INVALID_RESERVE_PARAMS = '20'; // 'Invalid risk parameters for the reserve'
  string public constant INVALID_EMODE_CATEGORY_PARAMS = '21'; // 'Invalid risk parameters for the eMode category'
  string public constant BRIDGE_PROTOCOL_FEE_INVALID = '22'; // 'Invalid bridge protocol fee'
  string public constant CALLER_MUST_BE_POOL = '23'; // 'The caller of this function must be a pool'
  string public constant INVALID_MINT_AMOUNT = '24'; // 'Invalid amount to mint'
  string public constant INVALID_BURN_AMOUNT = '25'; // 'Invalid amount to burn'
  string public constant INVALID_AMOUNT = '26'; // 'Amount must be greater than 0'
  string public constant RESERVE_INACTIVE = '27'; // 'Action requires an active reserve'
  string public constant RESERVE_FROZEN = '28'; // 'Action cannot be performed because the reserve is frozen'
  string public constant RESERVE_PAUSED = '29'; // 'Action cannot be performed because the reserve is paused'
  string public constant BORROWING_NOT_ENABLED = '30'; // 'Borrowing is not enabled'
  string public constant STABLE_BORROWING_NOT_ENABLED = '31'; // 'Stable borrowing is not enabled'
  string public constant NOT_ENOUGH_AVAILABLE_USER_BALANCE = '32'; // 'User cannot withdraw more than the available balance'
  string public constant INVALID_INTEREST_RATE_MODE_SELECTED = '33'; // 'Invalid interest rate mode selected'
  string public constant COLLATERAL_BALANCE_IS_ZERO = '34'; // 'The collateral balance is 0'
  string public constant HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = '35'; // 'Health factor is lesser than the liquidation threshold'
  string public constant COLLATERAL_CANNOT_COVER_NEW_BORROW = '36'; // 'There is not enough collateral to cover a new borrow'
  string public constant COLLATERAL_SAME_AS_BORROWING_CURRENCY = '37'; // 'Collateral is (mostly) the same currency that is being borrowed'
  string public constant AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = '38'; // 'The requested amount is greater than the max loan size in stable rate mode'
  string public constant NO_DEBT_OF_SELECTED_TYPE = '39'; // 'For repayment of a specific type of debt, the user needs to have debt that type'
  string public constant NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = '40'; // 'To repay on behalf of a user an explicit amount to repay is needed'
  string public constant NO_OUTSTANDING_STABLE_DEBT = '41'; // 'User does not have outstanding stable rate debt on this reserve'
  string public constant NO_OUTSTANDING_VARIABLE_DEBT = '42'; // 'User does not have outstanding variable rate debt on this reserve'
  string public constant UNDERLYING_BALANCE_ZERO = '43'; // 'The underlying balance needs to be greater than 0'
  string public constant INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = '44'; // 'Interest rate rebalance conditions were not met'
  string public constant HEALTH_FACTOR_NOT_BELOW_THRESHOLD = '45'; // 'Health factor is not below the threshold'
  string public constant COLLATERAL_CANNOT_BE_LIQUIDATED = '46'; // 'The collateral chosen cannot be liquidated'
  string public constant SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = '47'; // 'User did not borrow the specified currency'
  string public constant INCONSISTENT_FLASHLOAN_PARAMS = '49'; // 'Inconsistent flashloan parameters'
  string public constant BORROW_CAP_EXCEEDED = '50'; // 'Borrow cap is exceeded'
  string public constant SUPPLY_CAP_EXCEEDED = '51'; // 'Supply cap is exceeded'
  string public constant UNBACKED_MINT_CAP_EXCEEDED = '52'; // 'Unbacked mint cap is exceeded'
  string public constant DEBT_CEILING_EXCEEDED = '53'; // 'Debt ceiling is exceeded'
  string public constant UNDERLYING_CLAIMABLE_RIGHTS_NOT_ZERO = '54'; // 'Claimable rights over underlying not zero (aToken supply or accruedToTreasury)'
  string public constant STABLE_DEBT_NOT_ZERO = '55'; // 'Stable debt supply is not zero'
  string public constant VARIABLE_DEBT_SUPPLY_NOT_ZERO = '56'; // 'Variable debt supply is not zero'
  string public constant LTV_VALIDATION_FAILED = '57'; // 'Ltv validation failed'
  string public constant INCONSISTENT_EMODE_CATEGORY = '58'; // 'Inconsistent eMode category'
  string public constant PRICE_ORACLE_SENTINEL_CHECK_FAILED = '59'; // 'Price oracle sentinel validation failed'
  string public constant ASSET_NOT_BORROWABLE_IN_ISOLATION = '60'; // 'Asset is not borrowable in isolation mode'
  string public constant RESERVE_ALREADY_INITIALIZED = '61'; // 'Reserve has already been initialized'
  string public constant USER_IN_ISOLATION_MODE = '62'; // 'User is in isolation mode'
  string public constant INVALID_LTV = '63'; // 'Invalid ltv parameter for the reserve'
  string public constant INVALID_LIQ_THRESHOLD = '64'; // 'Invalid liquidity threshold parameter for the reserve'
  string public constant INVALID_LIQ_BONUS = '65'; // 'Invalid liquidity bonus parameter for the reserve'
  string public constant INVALID_DECIMALS = '66'; // 'Invalid decimals parameter of the underlying asset of the reserve'
  string public constant INVALID_RESERVE_FACTOR = '67'; // 'Invalid reserve factor parameter for the reserve'
  string public constant INVALID_BORROW_CAP = '68'; // 'Invalid borrow cap for the reserve'
  string public constant INVALID_SUPPLY_CAP = '69'; // 'Invalid supply cap for the reserve'
  string public constant INVALID_LIQUIDATION_PROTOCOL_FEE = '70'; // 'Invalid liquidation protocol fee for the reserve'
  string public constant INVALID_EMODE_CATEGORY = '71'; // 'Invalid eMode category for the reserve'
  string public constant INVALID_UNBACKED_MINT_CAP = '72'; // 'Invalid unbacked mint cap for the reserve'
  string public constant INVALID_DEBT_CEILING = '73'; // 'Invalid debt ceiling for the reserve
  string public constant INVALID_RESERVE_INDEX = '74'; // 'Invalid reserve index'
  string public constant ACL_ADMIN_CANNOT_BE_ZERO = '75'; // 'ACL admin cannot be set to the zero address'
  string public constant INCONSISTENT_PARAMS_LENGTH = '76'; // 'Array parameters that should be equal length are not'
  string public constant ZERO_ADDRESS_NOT_VALID = '77'; // 'Zero address not valid'
  string public constant INVALID_EXPIRATION = '78'; // 'Invalid expiration'
  string public constant INVALID_SIGNATURE = '79'; // 'Invalid signature'
  string public constant OPERATION_NOT_SUPPORTED = '80'; // 'Operation not supported'
  string public constant DEBT_CEILING_NOT_ZERO = '81'; // 'Debt ceiling is not zero'
  string public constant ASSET_NOT_LISTED = '82'; // 'Asset is not listed'
  string public constant INVALID_OPTIMAL_USAGE_RATIO = '83'; // 'Invalid optimal usage ratio'
  string public constant INVALID_OPTIMAL_STABLE_TO_TOTAL_DEBT_RATIO = '84'; // 'Invalid optimal stable to total debt ratio'
  string public constant UNDERLYING_CANNOT_BE_RESCUED = '85'; // 'The underlying asset cannot be rescued'
  string public constant ADDRESSES_PROVIDER_ALREADY_ADDED = '86'; // 'Reserve has already been added to reserve list'
  string public constant POOL_ADDRESSES_DO_NOT_MATCH = '87'; // 'The token implementation pool address and the pool address provided by the initializing pool do not match'
  string public constant STABLE_BORROWING_ENABLED = '88'; // 'Stable borrowing is enabled'
  string public constant SILOED_BORROWING_VIOLATION = '89'; // 'User is trying to borrow multiple assets including a siloed one'
  string public constant RESERVE_DEBT_NOT_ZERO = '90'; // the total debt of the reserve needs to be 0
  string public constant FLASHLOAN_DISABLED = '91'; // FlashLoaning for this asset is disabled
}

File 21 of 25 : ConfiguratorLogic.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {IPool} from '../../../interfaces/IPool.sol';
import {IInitializableAToken} from '../../../interfaces/IInitializableAToken.sol';
import {IInitializableDebtToken} from '../../../interfaces/IInitializableDebtToken.sol';
import {InitializableImmutableAdminUpgradeabilityProxy} from '../aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol';
import {ReserveConfiguration} from '../configuration/ReserveConfiguration.sol';
import {DataTypes} from '../types/DataTypes.sol';
import {ConfiguratorInputTypes} from '../types/ConfiguratorInputTypes.sol';

/**
 * @title ConfiguratorLogic library
 * @author Aave
 * @notice Implements the functions to initialize reserves and update aTokens and debtTokens
 */
library ConfiguratorLogic {
  using ReserveConfiguration for DataTypes.ReserveConfigurationMap;

  // See `IPoolConfigurator` for descriptions
  event ReserveInitialized(
    address indexed asset,
    address indexed aToken,
    address stableDebtToken,
    address variableDebtToken,
    address interestRateStrategyAddress
  );
  event ATokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );
  event StableDebtTokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );
  event VariableDebtTokenUpgraded(
    address indexed asset,
    address indexed proxy,
    address indexed implementation
  );

  /**
   * @notice Initialize a reserve by creating and initializing aToken, stable debt token and variable debt token
   * @dev Emits the `ReserveInitialized` event
   * @param pool The Pool in which the reserve will be initialized
   * @param input The needed parameters for the initialization
   */
  function executeInitReserve(IPool pool, ConfiguratorInputTypes.InitReserveInput calldata input)
    public
  {
    address aTokenProxyAddress = _initTokenWithProxy(
      input.aTokenImpl,
      abi.encodeWithSelector(
        IInitializableAToken.initialize.selector,
        pool,
        input.treasury,
        input.underlyingAsset,
        input.incentivesController,
        input.underlyingAssetDecimals,
        input.aTokenName,
        input.aTokenSymbol,
        input.params
      )
    );

    address stableDebtTokenProxyAddress = _initTokenWithProxy(
      input.stableDebtTokenImpl,
      abi.encodeWithSelector(
        IInitializableDebtToken.initialize.selector,
        pool,
        input.underlyingAsset,
        input.incentivesController,
        input.underlyingAssetDecimals,
        input.stableDebtTokenName,
        input.stableDebtTokenSymbol,
        input.params
      )
    );

    address variableDebtTokenProxyAddress = _initTokenWithProxy(
      input.variableDebtTokenImpl,
      abi.encodeWithSelector(
        IInitializableDebtToken.initialize.selector,
        pool,
        input.underlyingAsset,
        input.incentivesController,
        input.underlyingAssetDecimals,
        input.variableDebtTokenName,
        input.variableDebtTokenSymbol,
        input.params
      )
    );

    pool.initReserve(
      input.underlyingAsset,
      aTokenProxyAddress,
      stableDebtTokenProxyAddress,
      variableDebtTokenProxyAddress,
      input.interestRateStrategyAddress
    );

    DataTypes.ReserveConfigurationMap memory currentConfig = DataTypes.ReserveConfigurationMap(0);

    currentConfig.setDecimals(input.underlyingAssetDecimals);

    currentConfig.setActive(true);
    currentConfig.setPaused(false);
    currentConfig.setFrozen(false);

    pool.setConfiguration(input.underlyingAsset, currentConfig);

    emit ReserveInitialized(
      input.underlyingAsset,
      aTokenProxyAddress,
      stableDebtTokenProxyAddress,
      variableDebtTokenProxyAddress,
      input.interestRateStrategyAddress
    );
  }

  /**
   * @notice Updates the aToken implementation and initializes it
   * @dev Emits the `ATokenUpgraded` event
   * @param cachedPool The Pool containing the reserve with the aToken
   * @param input The parameters needed for the initialize call
   */
  function executeUpdateAToken(
    IPool cachedPool,
    ConfiguratorInputTypes.UpdateATokenInput calldata input
  ) public {
    DataTypes.ReserveData memory reserveData = cachedPool.getReserveData(input.asset);

    (, , , uint256 decimals, , ) = cachedPool.getConfiguration(input.asset).getParams();

    bytes memory encodedCall = abi.encodeWithSelector(
      IInitializableAToken.initialize.selector,
      cachedPool,
      input.treasury,
      input.asset,
      input.incentivesController,
      decimals,
      input.name,
      input.symbol,
      input.params
    );

    _upgradeTokenImplementation(reserveData.aTokenAddress, input.implementation, encodedCall);

    emit ATokenUpgraded(input.asset, reserveData.aTokenAddress, input.implementation);
  }

  /**
   * @notice Updates the stable debt token implementation and initializes it
   * @dev Emits the `StableDebtTokenUpgraded` event
   * @param cachedPool The Pool containing the reserve with the stable debt token
   * @param input The parameters needed for the initialize call
   */
  function executeUpdateStableDebtToken(
    IPool cachedPool,
    ConfiguratorInputTypes.UpdateDebtTokenInput calldata input
  ) public {
    DataTypes.ReserveData memory reserveData = cachedPool.getReserveData(input.asset);

    (, , , uint256 decimals, , ) = cachedPool.getConfiguration(input.asset).getParams();

    bytes memory encodedCall = abi.encodeWithSelector(
      IInitializableDebtToken.initialize.selector,
      cachedPool,
      input.asset,
      input.incentivesController,
      decimals,
      input.name,
      input.symbol,
      input.params
    );

    _upgradeTokenImplementation(
      reserveData.stableDebtTokenAddress,
      input.implementation,
      encodedCall
    );

    emit StableDebtTokenUpgraded(
      input.asset,
      reserveData.stableDebtTokenAddress,
      input.implementation
    );
  }

  /**
   * @notice Updates the variable debt token implementation and initializes it
   * @dev Emits the `VariableDebtTokenUpgraded` event
   * @param cachedPool The Pool containing the reserve with the variable debt token
   * @param input The parameters needed for the initialize call
   */
  function executeUpdateVariableDebtToken(
    IPool cachedPool,
    ConfiguratorInputTypes.UpdateDebtTokenInput calldata input
  ) public {
    DataTypes.ReserveData memory reserveData = cachedPool.getReserveData(input.asset);

    (, , , uint256 decimals, , ) = cachedPool.getConfiguration(input.asset).getParams();

    bytes memory encodedCall = abi.encodeWithSelector(
      IInitializableDebtToken.initialize.selector,
      cachedPool,
      input.asset,
      input.incentivesController,
      decimals,
      input.name,
      input.symbol,
      input.params
    );

    _upgradeTokenImplementation(
      reserveData.variableDebtTokenAddress,
      input.implementation,
      encodedCall
    );

    emit VariableDebtTokenUpgraded(
      input.asset,
      reserveData.variableDebtTokenAddress,
      input.implementation
    );
  }

  /**
   * @notice Creates a new proxy and initializes the implementation
   * @param implementation The address of the implementation
   * @param initParams The parameters that is passed to the implementation to initialize
   * @return The address of initialized proxy
   */
  function _initTokenWithProxy(address implementation, bytes memory initParams)
    internal
    returns (address)
  {
    InitializableImmutableAdminUpgradeabilityProxy proxy = new InitializableImmutableAdminUpgradeabilityProxy(
        address(this)
      );

    proxy.initialize(implementation, initParams);

    return address(proxy);
  }

  /**
   * @notice Upgrades the implementation and makes call to the proxy
   * @dev The call is used to initialize the new implementation.
   * @param proxyAddress The address of the proxy
   * @param implementation The address of the new implementation
   * @param  initParams The parameters to the call after the upgrade
   */
  function _upgradeTokenImplementation(
    address proxyAddress,
    address implementation,
    bytes memory initParams
  ) internal {
    InitializableImmutableAdminUpgradeabilityProxy proxy = InitializableImmutableAdminUpgradeabilityProxy(
        payable(proxyAddress)
      );

    proxy.upgradeToAndCall(implementation, initParams);
  }
}

File 22 of 25 : PercentageMath.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

/**
 * @title PercentageMath library
 * @author Aave
 * @notice Provides functions to perform percentage calculations
 * @dev Percentages are defined by default with 2 decimals of precision (100.00). The precision is indicated by PERCENTAGE_FACTOR
 * @dev Operations are rounded. If a value is >=.5, will be rounded up, otherwise rounded down.
 */
library PercentageMath {
  // Maximum percentage factor (100.00%)
  uint256 internal constant PERCENTAGE_FACTOR = 1e4;

  // Half percentage factor (50.00%)
  uint256 internal constant HALF_PERCENTAGE_FACTOR = 0.5e4;

  /**
   * @notice Executes a percentage multiplication
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param value The value of which the percentage needs to be calculated
   * @param percentage The percentage of the value to be calculated
   * @return result value percentmul percentage
   */
  function percentMul(uint256 value, uint256 percentage) internal pure returns (uint256 result) {
    // to avoid overflow, value <= (type(uint256).max - HALF_PERCENTAGE_FACTOR) / percentage
    assembly {
      if iszero(
        or(
          iszero(percentage),
          iszero(gt(value, div(sub(not(0), HALF_PERCENTAGE_FACTOR), percentage)))
        )
      ) {
        revert(0, 0)
      }

      result := div(add(mul(value, percentage), HALF_PERCENTAGE_FACTOR), PERCENTAGE_FACTOR)
    }
  }

  /**
   * @notice Executes a percentage division
   * @dev assembly optimized for improved gas savings, see https://twitter.com/transmissions11/status/1451131036377571328
   * @param value The value of which the percentage needs to be calculated
   * @param percentage The percentage of the value to be calculated
   * @return result value percentdiv percentage
   */
  function percentDiv(uint256 value, uint256 percentage) internal pure returns (uint256 result) {
    // to avoid overflow, value <= (type(uint256).max - halfPercentage) / PERCENTAGE_FACTOR
    assembly {
      if or(
        iszero(percentage),
        iszero(iszero(gt(value, div(sub(not(0), div(percentage, 2)), PERCENTAGE_FACTOR))))
      ) {
        revert(0, 0)
      }

      result := div(add(mul(value, PERCENTAGE_FACTOR), div(percentage, 2)), percentage)
    }
  }
}

File 23 of 25 : ConfiguratorInputTypes.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

library ConfiguratorInputTypes {
  struct InitReserveInput {
    address aTokenImpl;
    address stableDebtTokenImpl;
    address variableDebtTokenImpl;
    uint8 underlyingAssetDecimals;
    address interestRateStrategyAddress;
    address underlyingAsset;
    address treasury;
    address incentivesController;
    string aTokenName;
    string aTokenSymbol;
    string variableDebtTokenName;
    string variableDebtTokenSymbol;
    string stableDebtTokenName;
    string stableDebtTokenSymbol;
    bytes params;
  }

  struct UpdateATokenInput {
    address asset;
    address treasury;
    address incentivesController;
    string name;
    string symbol;
    address implementation;
    bytes params;
  }

  struct UpdateDebtTokenInput {
    address asset;
    address incentivesController;
    string name;
    string symbol;
    address implementation;
    bytes params;
  }
}

File 24 of 25 : DataTypes.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

library DataTypes {
  struct ReserveData {
    //stores the reserve configuration
    ReserveConfigurationMap configuration;
    //the liquidity index. Expressed in ray
    uint128 liquidityIndex;
    //the current supply rate. Expressed in ray
    uint128 currentLiquidityRate;
    //variable borrow index. Expressed in ray
    uint128 variableBorrowIndex;
    //the current variable borrow rate. Expressed in ray
    uint128 currentVariableBorrowRate;
    //the current stable borrow rate. Expressed in ray
    uint128 currentStableBorrowRate;
    //timestamp of last update
    uint40 lastUpdateTimestamp;
    //the id of the reserve. Represents the position in the list of the active reserves
    uint16 id;
    //aToken address
    address aTokenAddress;
    //stableDebtToken address
    address stableDebtTokenAddress;
    //variableDebtToken address
    address variableDebtTokenAddress;
    //address of the interest rate strategy
    address interestRateStrategyAddress;
    //the current treasury balance, scaled
    uint128 accruedToTreasury;
    //the outstanding unbacked aTokens minted through the bridging feature
    uint128 unbacked;
    //the outstanding debt borrowed against this asset in isolation mode
    uint128 isolationModeTotalDebt;
  }

  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: asset is paused
    //bit 61: borrowing in isolation mode is enabled
    //bit 62-63: reserved
    //bit 64-79: reserve factor
    //bit 80-115 borrow cap in whole tokens, borrowCap == 0 => no cap
    //bit 116-151 supply cap in whole tokens, supplyCap == 0 => no cap
    //bit 152-167 liquidation protocol fee
    //bit 168-175 eMode category
    //bit 176-211 unbacked mint cap in whole tokens, unbackedMintCap == 0 => minting disabled
    //bit 212-251 debt ceiling for isolation mode with (ReserveConfiguration::DEBT_CEILING_DECIMALS) decimals
    //bit 252-255 unused

    uint256 data;
  }

  struct UserConfigurationMap {
    /**
     * @dev Bitmap of the users collaterals and borrows. It is divided in pairs of bits, one pair per asset.
     * The first bit indicates if an asset is used as collateral by the user, the second whether an
     * asset is borrowed by the user.
     */
    uint256 data;
  }

  struct EModeCategory {
    // each eMode category has a custom ltv and liquidation threshold
    uint16 ltv;
    uint16 liquidationThreshold;
    uint16 liquidationBonus;
    // each eMode category may or may not have a custom oracle to override the individual assets price oracles
    address priceSource;
    string label;
  }

  enum InterestRateMode {
    NONE,
    STABLE,
    VARIABLE
  }

  struct ReserveCache {
    uint256 currScaledVariableDebt;
    uint256 nextScaledVariableDebt;
    uint256 currPrincipalStableDebt;
    uint256 currAvgStableBorrowRate;
    uint256 currTotalStableDebt;
    uint256 nextAvgStableBorrowRate;
    uint256 nextTotalStableDebt;
    uint256 currLiquidityIndex;
    uint256 nextLiquidityIndex;
    uint256 currVariableBorrowIndex;
    uint256 nextVariableBorrowIndex;
    uint256 currLiquidityRate;
    uint256 currVariableBorrowRate;
    uint256 reserveFactor;
    ReserveConfigurationMap reserveConfiguration;
    address aTokenAddress;
    address stableDebtTokenAddress;
    address variableDebtTokenAddress;
    uint40 reserveLastUpdateTimestamp;
    uint40 stableDebtLastUpdateTimestamp;
  }

  struct ExecuteLiquidationCallParams {
    uint256 reservesCount;
    uint256 debtToCover;
    address collateralAsset;
    address debtAsset;
    address user;
    bool receiveAToken;
    address priceOracle;
    uint8 userEModeCategory;
    address priceOracleSentinel;
  }

  struct ExecuteSupplyParams {
    address asset;
    uint256 amount;
    address onBehalfOf;
    uint16 referralCode;
  }

  struct ExecuteBorrowParams {
    address asset;
    address user;
    address onBehalfOf;
    uint256 amount;
    InterestRateMode interestRateMode;
    uint16 referralCode;
    bool releaseUnderlying;
    uint256 maxStableRateBorrowSizePercent;
    uint256 reservesCount;
    address oracle;
    uint8 userEModeCategory;
    address priceOracleSentinel;
  }

  struct ExecuteRepayParams {
    address asset;
    uint256 amount;
    InterestRateMode interestRateMode;
    address onBehalfOf;
    bool useATokens;
  }

  struct ExecuteWithdrawParams {
    address asset;
    uint256 amount;
    address to;
    uint256 reservesCount;
    address oracle;
    uint8 userEModeCategory;
  }

  struct ExecuteSetUserEModeParams {
    uint256 reservesCount;
    address oracle;
    uint8 categoryId;
  }

  struct FinalizeTransferParams {
    address asset;
    address from;
    address to;
    uint256 amount;
    uint256 balanceFromBefore;
    uint256 balanceToBefore;
    uint256 reservesCount;
    address oracle;
    uint8 fromEModeCategory;
  }

  struct FlashloanParams {
    address receiverAddress;
    address[] assets;
    uint256[] amounts;
    uint256[] interestRateModes;
    address onBehalfOf;
    bytes params;
    uint16 referralCode;
    uint256 flashLoanPremiumToProtocol;
    uint256 flashLoanPremiumTotal;
    uint256 maxStableRateBorrowSizePercent;
    uint256 reservesCount;
    address addressesProvider;
    uint8 userEModeCategory;
    bool isAuthorizedFlashBorrower;
  }

  struct FlashloanSimpleParams {
    address receiverAddress;
    address asset;
    uint256 amount;
    bytes params;
    uint16 referralCode;
    uint256 flashLoanPremiumToProtocol;
    uint256 flashLoanPremiumTotal;
  }

  struct FlashLoanRepaymentParams {
    uint256 amount;
    uint256 totalPremium;
    uint256 flashLoanPremiumToProtocol;
    address asset;
    address receiverAddress;
    uint16 referralCode;
  }

  struct CalculateUserAccountDataParams {
    UserConfigurationMap userConfig;
    uint256 reservesCount;
    address user;
    address oracle;
    uint8 userEModeCategory;
  }

  struct ValidateBorrowParams {
    ReserveCache reserveCache;
    UserConfigurationMap userConfig;
    address asset;
    address userAddress;
    uint256 amount;
    InterestRateMode interestRateMode;
    uint256 maxStableLoanPercent;
    uint256 reservesCount;
    address oracle;
    uint8 userEModeCategory;
    address priceOracleSentinel;
    bool isolationModeActive;
    address isolationModeCollateralAddress;
    uint256 isolationModeDebtCeiling;
  }

  struct ValidateLiquidationCallParams {
    ReserveCache debtReserveCache;
    uint256 totalDebt;
    uint256 healthFactor;
    address priceOracleSentinel;
  }

  struct CalculateInterestRatesParams {
    uint256 unbacked;
    uint256 liquidityAdded;
    uint256 liquidityTaken;
    uint256 totalStableDebt;
    uint256 totalVariableDebt;
    uint256 averageStableBorrowRate;
    uint256 reserveFactor;
    address reserve;
    address aToken;
  }

  struct InitReserveParams {
    address asset;
    address aTokenAddress;
    address stableDebtAddress;
    address variableDebtAddress;
    address interestRateStrategyAddress;
    uint16 reservesCount;
    uint16 maxNumberReserves;
  }
}

File 25 of 25 : PoolConfigurator.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.10;

import {VersionedInitializable} from '../libraries/aave-upgradeability/VersionedInitializable.sol';
import {ReserveConfiguration} from '../libraries/configuration/ReserveConfiguration.sol';
import {IPoolAddressesProvider} from '../../interfaces/IPoolAddressesProvider.sol';
import {Errors} from '../libraries/helpers/Errors.sol';
import {PercentageMath} from '../libraries/math/PercentageMath.sol';
import {DataTypes} from '../libraries/types/DataTypes.sol';
import {ConfiguratorLogic} from '../libraries/logic/ConfiguratorLogic.sol';
import {ConfiguratorInputTypes} from '../libraries/types/ConfiguratorInputTypes.sol';
import {IPoolConfigurator} from '../../interfaces/IPoolConfigurator.sol';
import {IPool} from '../../interfaces/IPool.sol';
import {IACLManager} from '../../interfaces/IACLManager.sol';
import {IPoolDataProvider} from '../../interfaces/IPoolDataProvider.sol';

/**
 * @title PoolConfigurator
 * @author Aave
 * @dev Implements the configuration methods for the Aave protocol
 */
contract PoolConfigurator is VersionedInitializable, IPoolConfigurator {
  using PercentageMath for uint256;
  using ReserveConfiguration for DataTypes.ReserveConfigurationMap;

  IPoolAddressesProvider internal _addressesProvider;
  IPool internal _pool;

  /**
   * @dev Only pool admin can call functions marked by this modifier.
   */
  modifier onlyPoolAdmin() {
    _onlyPoolAdmin();
    _;
  }

  /**
   * @dev Only emergency admin can call functions marked by this modifier.
   */
  modifier onlyEmergencyAdmin() {
    _onlyEmergencyAdmin();
    _;
  }

  /**
   * @dev Only emergency or pool admin can call functions marked by this modifier.
   */
  modifier onlyEmergencyOrPoolAdmin() {
    _onlyPoolOrEmergencyAdmin();
    _;
  }

  /**
   * @dev Only asset listing or pool admin can call functions marked by this modifier.
   */
  modifier onlyAssetListingOrPoolAdmins() {
    _onlyAssetListingOrPoolAdmins();
    _;
  }

  /**
   * @dev Only risk or pool admin can call functions marked by this modifier.
   */
  modifier onlyRiskOrPoolAdmins() {
    _onlyRiskOrPoolAdmins();
    _;
  }

  uint256 public constant CONFIGURATOR_REVISION = 0x1;

  /// @inheritdoc VersionedInitializable
  function getRevision() internal pure virtual override returns (uint256) {
    return CONFIGURATOR_REVISION;
  }

  function initialize(IPoolAddressesProvider provider) public initializer {
    _addressesProvider = provider;
    _pool = IPool(_addressesProvider.getPool());
  }

  /// @inheritdoc IPoolConfigurator
  function initReserves(ConfiguratorInputTypes.InitReserveInput[] calldata input)
    external
    override
    onlyAssetListingOrPoolAdmins
  {
    IPool cachedPool = _pool;
    for (uint256 i = 0; i < input.length; i++) {
      ConfiguratorLogic.executeInitReserve(cachedPool, input[i]);
    }
  }

  /// @inheritdoc IPoolConfigurator
  function dropReserve(address asset) external override onlyPoolAdmin {
    _pool.dropReserve(asset);
    emit ReserveDropped(asset);
  }

  /// @inheritdoc IPoolConfigurator
  function updateAToken(ConfiguratorInputTypes.UpdateATokenInput calldata input)
    external
    override
    onlyPoolAdmin
  {
    ConfiguratorLogic.executeUpdateAToken(_pool, input);
  }

  /// @inheritdoc IPoolConfigurator
  function updateStableDebtToken(ConfiguratorInputTypes.UpdateDebtTokenInput calldata input)
    external
    override
    onlyPoolAdmin
  {
    ConfiguratorLogic.executeUpdateStableDebtToken(_pool, input);
  }

  /// @inheritdoc IPoolConfigurator
  function updateVariableDebtToken(ConfiguratorInputTypes.UpdateDebtTokenInput calldata input)
    external
    override
    onlyPoolAdmin
  {
    ConfiguratorLogic.executeUpdateVariableDebtToken(_pool, input);
  }

  /// @inheritdoc IPoolConfigurator
  function setReserveBorrowing(address asset, bool enabled) external override onlyRiskOrPoolAdmins {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    if (!enabled) {
      require(!currentConfig.getStableRateBorrowingEnabled(), Errors.STABLE_BORROWING_ENABLED);
    }
    currentConfig.setBorrowingEnabled(enabled);
    _pool.setConfiguration(asset, currentConfig);
    emit ReserveBorrowing(asset, enabled);
  }

  /// @inheritdoc IPoolConfigurator
  function configureReserveAsCollateral(
    address asset,
    uint256 ltv,
    uint256 liquidationThreshold,
    uint256 liquidationBonus
  ) external override onlyRiskOrPoolAdmins {
    //validation of the parameters: the LTV can
    //only be lower or equal than the liquidation threshold
    //(otherwise a loan against the asset would cause instantaneous liquidation)
    require(ltv <= liquidationThreshold, Errors.INVALID_RESERVE_PARAMS);

    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);

    if (liquidationThreshold != 0) {
      //liquidation bonus must be bigger than 100.00%, otherwise the liquidator would receive less
      //collateral than needed to cover the debt
      require(liquidationBonus > PercentageMath.PERCENTAGE_FACTOR, Errors.INVALID_RESERVE_PARAMS);

      //if threshold * bonus is less than PERCENTAGE_FACTOR, it's guaranteed that at the moment
      //a loan is taken there is enough collateral available to cover the liquidation bonus
      require(
        liquidationThreshold.percentMul(liquidationBonus) <= PercentageMath.PERCENTAGE_FACTOR,
        Errors.INVALID_RESERVE_PARAMS
      );
    } else {
      require(liquidationBonus == 0, Errors.INVALID_RESERVE_PARAMS);
      //if the liquidation threshold is being set to 0,
      // the reserve is being disabled as collateral. To do so,
      //we need to ensure no liquidity is supplied
      _checkNoSuppliers(asset);
    }

    currentConfig.setLtv(ltv);
    currentConfig.setLiquidationThreshold(liquidationThreshold);
    currentConfig.setLiquidationBonus(liquidationBonus);

    _pool.setConfiguration(asset, currentConfig);

    emit CollateralConfigurationChanged(asset, ltv, liquidationThreshold, liquidationBonus);
  }

  /// @inheritdoc IPoolConfigurator
  function setReserveStableRateBorrowing(address asset, bool enabled)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    if (enabled) {
      require(currentConfig.getBorrowingEnabled(), Errors.BORROWING_NOT_ENABLED);
    }
    currentConfig.setStableRateBorrowingEnabled(enabled);
    _pool.setConfiguration(asset, currentConfig);
    emit ReserveStableRateBorrowing(asset, enabled);
  }

  /// @inheritdoc IPoolConfigurator
  function setReserveFlashLoaning(address asset, bool enabled)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);

    currentConfig.setFlashLoanEnabled(enabled);
    _pool.setConfiguration(asset, currentConfig);
    emit ReserveFlashLoaning(asset, enabled);
  }

  /// @inheritdoc IPoolConfigurator
  function setReserveActive(address asset, bool active) external override onlyPoolAdmin {
    if (!active) _checkNoSuppliers(asset);
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    currentConfig.setActive(active);
    _pool.setConfiguration(asset, currentConfig);
    emit ReserveActive(asset, active);
  }

  /// @inheritdoc IPoolConfigurator
  function setReserveFreeze(address asset, bool freeze) external override onlyRiskOrPoolAdmins {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    currentConfig.setFrozen(freeze);
    _pool.setConfiguration(asset, currentConfig);
    emit ReserveFrozen(asset, freeze);
  }

  /// @inheritdoc IPoolConfigurator
  function setBorrowableInIsolation(address asset, bool borrowable)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    currentConfig.setBorrowableInIsolation(borrowable);
    _pool.setConfiguration(asset, currentConfig);
    emit BorrowableInIsolationChanged(asset, borrowable);
  }

  /// @inheritdoc IPoolConfigurator
  function setReservePause(address asset, bool paused) public override onlyEmergencyOrPoolAdmin {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    currentConfig.setPaused(paused);
    _pool.setConfiguration(asset, currentConfig);
    emit ReservePaused(asset, paused);
  }

  /// @inheritdoc IPoolConfigurator
  function setReserveFactor(address asset, uint256 newReserveFactor)
    external
    override
    onlyRiskOrPoolAdmins
  {
    require(newReserveFactor <= PercentageMath.PERCENTAGE_FACTOR, Errors.INVALID_RESERVE_FACTOR);
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    uint256 oldReserveFactor = currentConfig.getReserveFactor();
    currentConfig.setReserveFactor(newReserveFactor);
    _pool.setConfiguration(asset, currentConfig);
    emit ReserveFactorChanged(asset, oldReserveFactor, newReserveFactor);
  }

  /// @inheritdoc IPoolConfigurator
  function setDebtCeiling(address asset, uint256 newDebtCeiling)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);

    uint256 oldDebtCeiling = currentConfig.getDebtCeiling();
    if (oldDebtCeiling == 0) {
      _checkNoSuppliers(asset);
    }
    currentConfig.setDebtCeiling(newDebtCeiling);
    _pool.setConfiguration(asset, currentConfig);

    if (newDebtCeiling == 0) {
      _pool.resetIsolationModeTotalDebt(asset);
    }

    emit DebtCeilingChanged(asset, oldDebtCeiling, newDebtCeiling);
  }

  /// @inheritdoc IPoolConfigurator
  function setSiloedBorrowing(address asset, bool newSiloed)
    external
    override
    onlyRiskOrPoolAdmins
  {
    if (newSiloed) {
      _checkNoBorrowers(asset);
    }
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);

    bool oldSiloed = currentConfig.getSiloedBorrowing();

    currentConfig.setSiloedBorrowing(newSiloed);

    _pool.setConfiguration(asset, currentConfig);

    emit SiloedBorrowingChanged(asset, oldSiloed, newSiloed);
  }

  /// @inheritdoc IPoolConfigurator
  function setBorrowCap(address asset, uint256 newBorrowCap)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    uint256 oldBorrowCap = currentConfig.getBorrowCap();
    currentConfig.setBorrowCap(newBorrowCap);
    _pool.setConfiguration(asset, currentConfig);
    emit BorrowCapChanged(asset, oldBorrowCap, newBorrowCap);
  }

  /// @inheritdoc IPoolConfigurator
  function setSupplyCap(address asset, uint256 newSupplyCap)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    uint256 oldSupplyCap = currentConfig.getSupplyCap();
    currentConfig.setSupplyCap(newSupplyCap);
    _pool.setConfiguration(asset, currentConfig);
    emit SupplyCapChanged(asset, oldSupplyCap, newSupplyCap);
  }

  /// @inheritdoc IPoolConfigurator
  function setLiquidationProtocolFee(address asset, uint256 newFee)
    external
    override
    onlyRiskOrPoolAdmins
  {
    require(newFee <= PercentageMath.PERCENTAGE_FACTOR, Errors.INVALID_LIQUIDATION_PROTOCOL_FEE);
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    uint256 oldFee = currentConfig.getLiquidationProtocolFee();
    currentConfig.setLiquidationProtocolFee(newFee);
    _pool.setConfiguration(asset, currentConfig);
    emit LiquidationProtocolFeeChanged(asset, oldFee, newFee);
  }

  /// @inheritdoc IPoolConfigurator
  function setEModeCategory(
    uint8 categoryId,
    uint16 ltv,
    uint16 liquidationThreshold,
    uint16 liquidationBonus,
    address oracle,
    string calldata label
  ) external override onlyRiskOrPoolAdmins {
    require(ltv != 0, Errors.INVALID_EMODE_CATEGORY_PARAMS);
    require(liquidationThreshold != 0, Errors.INVALID_EMODE_CATEGORY_PARAMS);

    // validation of the parameters: the LTV can
    // only be lower or equal than the liquidation threshold
    // (otherwise a loan against the asset would cause instantaneous liquidation)
    require(ltv <= liquidationThreshold, Errors.INVALID_EMODE_CATEGORY_PARAMS);
    require(
      liquidationBonus > PercentageMath.PERCENTAGE_FACTOR,
      Errors.INVALID_EMODE_CATEGORY_PARAMS
    );

    // if threshold * bonus is less than PERCENTAGE_FACTOR, it's guaranteed that at the moment
    // a loan is taken there is enough collateral available to cover the liquidation bonus
    require(
      uint256(liquidationThreshold).percentMul(liquidationBonus) <=
        PercentageMath.PERCENTAGE_FACTOR,
      Errors.INVALID_EMODE_CATEGORY_PARAMS
    );

    address[] memory reserves = _pool.getReservesList();
    for (uint256 i = 0; i < reserves.length; i++) {
      DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(reserves[i]);
      if (categoryId == currentConfig.getEModeCategory()) {
        require(ltv > currentConfig.getLtv(), Errors.INVALID_EMODE_CATEGORY_PARAMS);
        require(
          liquidationThreshold > currentConfig.getLiquidationThreshold(),
          Errors.INVALID_EMODE_CATEGORY_PARAMS
        );
      }
    }

    _pool.configureEModeCategory(
      categoryId,
      DataTypes.EModeCategory({
        ltv: ltv,
        liquidationThreshold: liquidationThreshold,
        liquidationBonus: liquidationBonus,
        priceSource: oracle,
        label: label
      })
    );
    emit EModeCategoryAdded(categoryId, ltv, liquidationThreshold, liquidationBonus, oracle, label);
  }

  /// @inheritdoc IPoolConfigurator
  function setAssetEModeCategory(address asset, uint8 newCategoryId)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);

    if (newCategoryId != 0) {
      DataTypes.EModeCategory memory categoryData = _pool.getEModeCategoryData(newCategoryId);
      require(
        categoryData.liquidationThreshold > currentConfig.getLiquidationThreshold(),
        Errors.INVALID_EMODE_CATEGORY_ASSIGNMENT
      );
    }
    uint256 oldCategoryId = currentConfig.getEModeCategory();
    currentConfig.setEModeCategory(newCategoryId);
    _pool.setConfiguration(asset, currentConfig);
    emit EModeAssetCategoryChanged(asset, uint8(oldCategoryId), newCategoryId);
  }

  /// @inheritdoc IPoolConfigurator
  function setUnbackedMintCap(address asset, uint256 newUnbackedMintCap)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveConfigurationMap memory currentConfig = _pool.getConfiguration(asset);
    uint256 oldUnbackedMintCap = currentConfig.getUnbackedMintCap();
    currentConfig.setUnbackedMintCap(newUnbackedMintCap);
    _pool.setConfiguration(asset, currentConfig);
    emit UnbackedMintCapChanged(asset, oldUnbackedMintCap, newUnbackedMintCap);
  }

  /// @inheritdoc IPoolConfigurator
  function setReserveInterestRateStrategyAddress(address asset, address newRateStrategyAddress)
    external
    override
    onlyRiskOrPoolAdmins
  {
    DataTypes.ReserveData memory reserve = _pool.getReserveData(asset);
    address oldRateStrategyAddress = reserve.interestRateStrategyAddress;
    _pool.setReserveInterestRateStrategyAddress(asset, newRateStrategyAddress);
    emit ReserveInterestRateStrategyChanged(asset, oldRateStrategyAddress, newRateStrategyAddress);
  }

  /// @inheritdoc IPoolConfigurator
  function setPoolPause(bool paused) external override onlyEmergencyAdmin {
    address[] memory reserves = _pool.getReservesList();

    for (uint256 i = 0; i < reserves.length; i++) {
      if (reserves[i] != address(0)) {
        setReservePause(reserves[i], paused);
      }
    }
  }

  /// @inheritdoc IPoolConfigurator
  function updateBridgeProtocolFee(uint256 newBridgeProtocolFee) external override onlyPoolAdmin {
    require(
      newBridgeProtocolFee <= PercentageMath.PERCENTAGE_FACTOR,
      Errors.BRIDGE_PROTOCOL_FEE_INVALID
    );
    uint256 oldBridgeProtocolFee = _pool.BRIDGE_PROTOCOL_FEE();
    _pool.updateBridgeProtocolFee(newBridgeProtocolFee);
    emit BridgeProtocolFeeUpdated(oldBridgeProtocolFee, newBridgeProtocolFee);
  }

  /// @inheritdoc IPoolConfigurator
  function updateFlashloanPremiumTotal(uint128 newFlashloanPremiumTotal)
    external
    override
    onlyPoolAdmin
  {
    require(
      newFlashloanPremiumTotal <= PercentageMath.PERCENTAGE_FACTOR,
      Errors.FLASHLOAN_PREMIUM_INVALID
    );
    uint128 oldFlashloanPremiumTotal = _pool.FLASHLOAN_PREMIUM_TOTAL();
    _pool.updateFlashloanPremiums(newFlashloanPremiumTotal, _pool.FLASHLOAN_PREMIUM_TO_PROTOCOL());
    emit FlashloanPremiumTotalUpdated(oldFlashloanPremiumTotal, newFlashloanPremiumTotal);
  }

  /// @inheritdoc IPoolConfigurator
  function updateFlashloanPremiumToProtocol(uint128 newFlashloanPremiumToProtocol)
    external
    override
    onlyPoolAdmin
  {
    require(
      newFlashloanPremiumToProtocol <= PercentageMath.PERCENTAGE_FACTOR,
      Errors.FLASHLOAN_PREMIUM_INVALID
    );
    uint128 oldFlashloanPremiumToProtocol = _pool.FLASHLOAN_PREMIUM_TO_PROTOCOL();
    _pool.updateFlashloanPremiums(_pool.FLASHLOAN_PREMIUM_TOTAL(), newFlashloanPremiumToProtocol);
    emit FlashloanPremiumToProtocolUpdated(
      oldFlashloanPremiumToProtocol,
      newFlashloanPremiumToProtocol
    );
  }

  function _checkNoSuppliers(address asset) internal view {
    (, uint256 accruedToTreasury, uint256 totalATokens, , , , , , , , , ) = IPoolDataProvider(
      _addressesProvider.getPoolDataProvider()
    ).getReserveData(asset);

    require(totalATokens == 0 && accruedToTreasury == 0, Errors.RESERVE_LIQUIDITY_NOT_ZERO);
  }

  function _checkNoBorrowers(address asset) internal view {
    uint256 totalDebt = IPoolDataProvider(_addressesProvider.getPoolDataProvider()).getTotalDebt(
      asset
    );
    require(totalDebt == 0, Errors.RESERVE_DEBT_NOT_ZERO);
  }

  function _onlyPoolAdmin() internal view {
    IACLManager aclManager = IACLManager(_addressesProvider.getACLManager());
    require(aclManager.isPoolAdmin(msg.sender), Errors.CALLER_NOT_POOL_ADMIN);
  }

  function _onlyEmergencyAdmin() internal view {
    IACLManager aclManager = IACLManager(_addressesProvider.getACLManager());
    require(aclManager.isEmergencyAdmin(msg.sender), Errors.CALLER_NOT_EMERGENCY_ADMIN);
  }

  function _onlyPoolOrEmergencyAdmin() internal view {
    IACLManager aclManager = IACLManager(_addressesProvider.getACLManager());
    require(
      aclManager.isPoolAdmin(msg.sender) || aclManager.isEmergencyAdmin(msg.sender),
      Errors.CALLER_NOT_POOL_OR_EMERGENCY_ADMIN
    );
  }

  function _onlyAssetListingOrPoolAdmins() internal view {
    IACLManager aclManager = IACLManager(_addressesProvider.getACLManager());
    require(
      aclManager.isAssetListingAdmin(msg.sender) || aclManager.isPoolAdmin(msg.sender),
      Errors.CALLER_NOT_ASSET_LISTING_OR_POOL_ADMIN
    );
  }

  function _onlyRiskOrPoolAdmins() internal view {
    IACLManager aclManager = IACLManager(_addressesProvider.getACLManager());
    require(
      aclManager.isRiskAdmin(msg.sender) || aclManager.isPoolAdmin(msg.sender),
      Errors.CALLER_NOT_RISK_OR_POOL_ADMIN
    );
  }
}

Settings
{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

Contract ABI

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"contract PoolConfigurator","name":"configurator","type":"address"},{"components":[{"internalType":"address","name":"asset","type":"address"},{"internalType":"uint256","name":"baseLTV","type":"uint256"},{"internalType":"uint256","name":"liquidationThreshold","type":"uint256"},{"internalType":"uint256","name":"liquidationBonus","type":"uint256"},{"internalType":"uint256","name":"reserveFactor","type":"uint256"},{"internalType":"uint256","name":"borrowCap","type":"uint256"},{"internalType":"uint256","name":"supplyCap","type":"uint256"},{"internalType":"bool","name":"stableBorrowingEnabled","type":"bool"},{"internalType":"bool","name":"borrowingEnabled","type":"bool"},{"internalType":"bool","name":"flashLoanEnabled","type":"bool"}],"internalType":"struct ReservesSetupHelper.ConfigureReserveInput[]","name":"inputParams","type":"tuple[]"}],"name":"configureReserves","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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Deployed Bytecode

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