VariableDebtTokenInstance.sol

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;

import {VariableDebtToken, IPool, IInitializableDebtToken, VersionedInitializable, IAaveIncentivesController, Errors} from '../protocol/tokenization/VariableDebtToken.sol';

contract VariableDebtTokenInstance is VariableDebtToken {
  uint256 public constant DEBT_TOKEN_REVISION = 1;

  constructor(IPool pool) VariableDebtToken(pool) {}

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

  /// @inheritdoc IInitializableDebtToken
  function initialize(
    IPool initializingPool,
    address underlyingAsset,
    IAaveIncentivesController incentivesController,
    uint8 debtTokenDecimals,
    string memory debtTokenName,
    string memory debtTokenSymbol,
    bytes calldata params
  ) external override initializer {
    require(initializingPool == POOL, Errors.POOL_ADDRESSES_DO_NOT_MATCH);
    _setName(debtTokenName);
    _setSymbol(debtTokenSymbol);
    _setDecimals(debtTokenDecimals);

    _underlyingAsset = underlyingAsset;
    _incentivesController = incentivesController;

    _domainSeparator = _calculateDomainSeparator();

    emit Initialized(
      underlyingAsset,
      address(POOL),
      address(incentivesController),
      debtTokenDecimals,
      debtTokenName,
      debtTokenSymbol,
      params
    );
  }
}