// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
pragma abicoder v2;

import {IAFiStorage} from "./IAFiStorage.sol";
import {OwnableDelayModule} from "./OwnableDelayModule.sol";
import {ReentrancyGuard} from "./ReentrancyGuard.sol";
import {SafeERC20} from "./SafeERC20.sol";
import {SafeCast} from "./SafeCast.sol";
import {ILendingPool} from "./ILendingPool.sol";
import {IPoolAddressesProvider} from "./ILendingPoolAddressesProvider.sol";
import {ISwapRouter} from "./ISwapRouter.sol";
import {IUniswapOracleV3} from "./IUniswapV3.sol";
import "./IAFi.sol";
import "./IPassiveRebal.sol";
import "./ArrayUtils.sol";
import "./IUniswapV3Factory.sol";
import {ERC20} from "./ERC20.sol";

// Enum for supported DEXs
enum DexChoice {
  UNISWAP_V3,
  ONE_INCH,
  NONE
}

interface Compound {
  function mint(uint mintAmount) external returns (uint);

  function redeem(uint redeemTokens) external returns (uint);

  function redeemUnderlying(uint redeemAmount) external returns (uint);

  function exchangeRateStored() external view returns (uint);
}

interface CompoundV3 {
  function supply(address asset, uint amount) external;

  function withdraw(address asset, uint amount) external;
}

interface IAFiFactory {
  function setIfUserInvesting(address user, address afiContract) external;

  function hasUserInvestedAlready(
    address afiContract,
    address user
  ) external view returns (bool);

  function withdrawAndResetInvestmentStatus(address user, address afiContract) external;

  function afiContractInitUpdate(address aFiContract, uint order) external;
}

interface LendingPoolAddressesProvider {
  function getLendingPool() external view returns (address);

  function getLendingPoolCore() external view returns (address);
}

interface IAggregationExecutor {
  function callBytes(bytes calldata data) external payable;
}

interface IAggregationRouterV6 {
  struct SwapDescription {
    IERC20 srcToken;
    IERC20 dstToken;
    address srcReceiver;
    address dstReceiver;
    uint256 amount;
    uint256 minReturnAmount;
    uint256 flags;
  }

  function swap(
    IAggregationExecutor caller,
    SwapDescription calldata desc,
    bytes calldata data
  ) external payable returns (uint256 returnAmount, uint256 spentAmount);
}

contract AFiVariableStorage {
  uint internal pool;
  address payable internal platformWallet =
    payable(0xB60C61DBb7456f024f9338c739B02Be68e3F545C);

  address[] internal token; // deposit stable coin
  address[] internal uTokens;
  uint[] internal uTokenProportions;
  uint[] internal defaultProportion;

  mapping(address => address) internal compound; // compound address for various u tokens
  mapping(address => uint) internal depositNAV;
  mapping(address => bool) internal whitelistedTokens;
}

contract AtvBase is
  ERC20,
  ReentrancyGuard,
  OwnableDelayModule,
  AFiVariableStorage,
  IAFi
{
  using SafeERC20 for IERC20;
  using ArrayUtils for uint[];
  using ArrayUtils for address[];
  using SafeCast for uint256;

  bool internal depositPaused;
  bool internal withdrawPaused;
  bool public migrated;
  bool internal vaultReInitialized;
  bool internal isBase;
  bool public isAfiTransferrable; // true if AFi tokens are transferrable

  uint internal typeOfProduct;
  uint256 internal cSwapCounter;
  uint256 public minimumDepositLimit;

  address internal factory;
  address public aFiOracle;
  address public tLContract;
  address public PARENT_VAULT;
  IPassiveRebal public rebalContract;
  IAFiStorage public aFiStorage;
  address public aFiManager;

  address[] internal nonOverlappingITokens; // Tokens that are not common between underlying and input tokens

  address private constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
  address private constant DEAD_ADDRESS = 0x000000000000000000000000000000000000dEaD;
  address private constant POOL_ADDRESS_PROVIDER =
    0x2f39d218133AFaB8F2B819B1066c7E434Ad94E9e;
  ISwapRouter internal constant UNISWAP_EXCHANGE =
    ISwapRouter(0xE592427A0AEce92De3Edee1F18E0157C05861564);
  address internal constant ONEINCH_ROUTER = 0x111111125421cA6dc452d289314280a0f8842A65;

  mapping(address => mapping(uint => uint)) internal nonWithdrawableShares;
  mapping(address => address) public compoundV3Comet;
  mapping(address => uint256) public userLockedAmount;
  mapping(address => bool) public isPausedForWithdrawals; // true if deposit token is paused(users can't withdraw in this token)

  event Withdraw(address indexed investor, uint256 amount, address withdrawnToken);

  constructor(string memory _name, string memory _symbol) ERC20(_name, _symbol) {}

  function initialize(
    address newOwner,
    string memory tokenName,
    string memory tokenSymbol,
    bytes memory data,
    bool _isActiveRebalanced,
    IAFiStorage _aFiStorage,
    address[] memory _nonOverlappingITokens,
    address parentVault
  ) external override nonReentrant {
    checkFalse(isBase);
    PARENT_VAULT = parentVault;
    addressCheck(newOwner, address(0));
    _name = tokenName;
    _symbol = tokenSymbol;
    _transferOwnership(newOwner);
    delayModule = newOwner;
    aFiStorage = _aFiStorage;
    aFiOracle = aFiStorage.getAFiOracle();
    nonOverlappingITokens = _nonOverlappingITokens;
    IAFi.PoolsData memory pooldata = abi.decode(data, (IAFi.PoolsData));
    typeOfProduct = pooldata._typeOfProduct;
    factory = msg.sender;
    setInitialValues(data);
    defaultProportion = uTokenProportions;
    IAFiStorage(_aFiStorage).setAFiActive(address(this), true);
    IAFiStorage(_aFiStorage).setActiveRebalancedStatus(
      address(this),
      _isActiveRebalanced
    );

    updateInitCount(1);
  }

  function initializeToken(
    address[] memory iToken,
    address[] memory _teamWallets,
    IPassiveRebal _rebalContract,
    address _aFiManager
  ) external override nonReentrant {
    checkFalse(isBase);
    isBase = true;
    aFiManager = _aFiManager;
    rebalContract = _rebalContract;
    minimumDepositLimit = 500;
    aFiStorage.setTeamWallets(address(this), _teamWallets);
    uint iLen = iToken.length;
    unchecked {
      for (uint i = 0; i < iLen; i++) {
        updatetoken(iToken[i]);
        setWhitelistedTok(iToken[i]);
      }
    }
    updateInitCount(2);
  }

  function updateInitCount(uint256 count) internal {
    IAFiFactory(factory).afiContractInitUpdate(address(this), count);
  }

  function getNonWithdrawableShares(
    address user,
    uint256 csCounterValue
  ) public view override returns (uint256) {
    return nonWithdrawableShares[user][csCounterValue];
  }

  function updatetoken(address tok) internal {
    token.push(tok);
    approval(tok, aFiOracle, ~uint(0));
  }

  function getcSwapCounter() external view override returns (uint256) {
    return cSwapCounter;
  }

  function transferValidationAndSet(address from, address to, uint256 amount) internal {
    checkFalse(!isAfiTransferrable);
    address owner = from;

    validateShares(owner, amount);
    depositNAV[to] =
      ((depositNAV[to] * _balances[to]) + (depositNAV[owner] * amount)) /
      (_balances[to] + amount);
  }

  function checkNav(address target) internal {
    if (_balances[target] == 0) {
      delete depositNAV[target];
    }
  }

  function transfer(address to, uint256 amount) public virtual override returns (bool) {
    transferValidationAndSet(_msgSender(), to, amount);
    _transfer(_msgSender(), to, amount);
    checkNav(_msgSender());
    return true;
  }

  function transferFrom(
    address from,
    address to,
    uint256 amount
  ) public virtual override returns (bool) {
    transferValidationAndSet(from, to, amount);
    address spender = _msgSender();
    _spendAllowance(from, spender, amount);
    _transfer(from, to, amount);
    checkNav(from);
    return true;
  }

  function setAfiTransferability(bool _afiTransferrable) external onlyOwner {
    isAfiTransferrable = _afiTransferrable;
  }

  function reinitializeHappened(bool status) external override {
    twoAddressCompare(aFiManager, aFiOracle);
    vaultReInitialized = status;
  }

  function getReinitializeStatus()
    external
    view
    override
    returns (bool _vaultReInitialized)
  {
    _vaultReInitialized = vaultReInitialized;
  }

  /**
   * @notice Pauses / unpause deposits in the contract.
   * @dev Requirements: Can only be invoked by the Owner wallet.
   */
  function pauseUnpauseDeposit(bool status) external {
    twoAddressCompare(
      rebalContract.getPauseDepositController(address(this)),
      aFiOracle
    );
    depositPaused = status;
  }

  /**
   * @notice Pauses / unpause withdrawals in the contract.
   * @dev Requirements: Can only be invoked by the Delay Module.
   */
  function pauseWithdraw(bool status) external {
    checkDelayModule();
    withdrawPaused = status;
  }

  /**
   * @notice Returns the paused status of the contract.
   */
  function isPaused() external view override returns (bool, bool) {
    return (depositPaused, withdrawPaused);
  }

  /**
   * @notice To update the platform wallet address and zero address should not pass.
   * @dev Requirements: It can be invoked only by the owner.
   * @param _platformWallet Address of the platform wallet.
   */
  function setplatformWallet(address payable _platformWallet) external onlyOwner {
    addressCheck(_platformWallet, address(0));
    platformWallet = _platformWallet;
  }

  function setMinDepLimit(uint256 limit) external onlyOwner {
    greaterEqualComparison(limit, 100);
    minimumDepositLimit = limit;
  }

  function getplatformWallet() external view returns (address) {
    return platformWallet;
  }

  function getTVLandRebalContractandType()
    external
    view
    override
    returns (uint256, address, uint256)
  {
    return (pool, address(rebalContract), typeOfProduct);
  }

  function checkFalse(bool flag) internal pure {
    require(!flag, "AB03");
  }

  function addressEqual(address add1, address add2) internal pure {
    require(add1 == add2, "AB30");
  }

  function twoAddressCompare(address add1, address add2) internal view {
    require(msg.sender == add1 || msg.sender == add2, "AB32");
  }

  function addressCheck(address add1, address add2) internal pure {
    require(add1 != add2, "AB05"); //solhint-disable-line reason-string
  }

  function greaterEqualComparison(uint256 valA, uint256 valB) internal pure {
    require(valA >= valB, "AB24");
  }

  function togglePauseDepositTokenForWithdrawals(
    address tok,
    bool _pause
  ) external onlyOwner {
    if (_pause) {
      checkFalse(!whitelistedTokens[tok]);
    } else {
      checkFalse(!isPausedForWithdrawals[tok]);
    }
    isPausedForWithdrawals[tok] = _pause;
  }

  function checkTokInList(address tok) internal view returns (bool istok, bool isUTok) {
    (, istok) = token.indexOf(tok);
    (, isUTok) = uTokens.indexOf(tok);
  }

  function addToWhitelist(address tok) external onlyOwner {
    checkFalse(whitelistedTokens[tok]);
    (bool isPresent, bool isInputTokenPresent) = checkTokInList(tok);
    if (!isPresent) {
      updatetoken(tok);
    }
    // Prevent duplication in nonOverlappingITokens
    (, bool isAlreadyInNonOverlapping) = nonOverlappingITokens.indexOf(tok);
    if (!isInputTokenPresent && !isAlreadyInNonOverlapping) {
      nonOverlappingITokens.push(tok);
    }
    setWhitelistedTok(tok);
  }

  function setWhitelistedTok(address tok) internal {
    whitelistedTokens[tok] = true;
  }

  function getPreDepositTokensBalance(
    address tok,
    uint256 _cSwapCounter
  ) internal view returns (uint) {
    return aFiStorage.getPreSwapDepositsTokens(address(this), _cSwapCounter, tok);
  }

  function removeFromWhitelist(
    address tok,
    address swapTok,
    uint256 deadline,
    uint256 amountOut,
    bytes calldata swapData
  ) external onlyOwner {
    checkFalse(!whitelistedTokens[tok]);
    checkFalse(!whitelistedTokens[swapTok]);
    delete whitelistedTokens[tok];
    if (getPreDepositTokensBalance(tok, cSwapCounter) > 0) {
      addressCheck(tok, swapTok);
      aFiStorage.doSwapForThewhiteListRemoval(
        tok,
        cSwapCounter,
        swapTok,
        deadline,
        amountOut,
        swapData
      );
    }

    token = rebalContract.removeToken(token, tok);
    IERC20(tok).safeApprove(aFiOracle, 0);

    // Remove tok from nonOverlappingITokens if present
    nonOverlappingITokens = rebalContract.removeToken(nonOverlappingITokens, tok);
  }

  function contractTransfers(address tok, address to, uint256 amount) private {
    IERC20(tok).safeTransfer(to, amount);
  }

  /**
   * @dev This function is used to increase counter and to update the flag for vaultReInitialized
   */
  function underlyingTokensStaking(
  ) external override {
    checkOracle();
    if (vaultReInitialized) {
      vaultReInitialized = false;
    }
    increasecsCounter();
  }

  function updateCp(uint256[] memory newCp) external {
    addressEqual(msg.sender, address(rebalContract));
    uTokenProportions = newCp;
  }


  function increasecsCounter() internal {
    cSwapCounter++;
  }

  function swap(
    address inputToken,
    address uTok,
    uint256 amountAsPerProportion,
    uint _deadline,
    address middleToken,
    uint256 minimumReturnAmount,
    bytes calldata swapData
  ) external override returns (uint256 returnAmount) {
    checkOracle();
    if (inputToken != uTok && middleToken == address(0)) {
      (returnAmount) = _routeSwap(
        inputToken,
        uTok,
        amountAsPerProportion,
        _deadline,
        rebalContract.getMidToken(uTok),
        minimumReturnAmount,
        swapData
      );
    } else if (inputToken != uTok) {
      (returnAmount ) = _routeSwap(
        inputToken,
        uTok,
        amountAsPerProportion,
        _deadline,
        middleToken,
        minimumReturnAmount,
        swapData
      );
    }
  }

  function isOTokenWhitelisted(address oToken) external view override returns (bool) {
    return whitelistedTokens[oToken];
  }

  function updateTVL() public override {
    pool = aFiStorage.calculatePoolInUsd(address(this));
  }

  function tokenTransfer(address token, uint256 amount) internal {
    IERC20(token).safeTransferFrom(msg.sender, address(this), amount);
  }

  function deposit(uint amount, address iToken) external nonReentrant {
    if (PARENT_VAULT != address(0)) {
      checkFalse(!migrated);
    }

    greaterEqualComparison(
      (amount / (10 ** (IERC20(iToken).decimals()))),
      minimumDepositLimit
    );
    updateTVL();
    uint256 prevPool = pool;

    checkFalse(!whitelistedTokens[iToken]); // Added validation to check if the token is whitelisted

    checkFalse(depositPaused);
    tokenTransfer(iToken, amount);
    uint256 fee = (amount * 1) / (100); // 1% platform fees is deducted
    contractTransfers(iToken, platformWallet, fee);
    amount = amount - fee;
    setPreDeposit(iToken, amount);

    (uint256 shares, uint256 newDepositNAV) = aFiStorage.calculateShares(
      address(this),
      amount, // assuming amount is defined somewhere
      prevPool,
      _totalSupply,
      iToken, // assuming iToken is defined somewhere
      depositNAV[msg.sender],
      _balances[msg.sender]
    );

    greaterEqualComparison(shares, 1);

    _mint(msg.sender, shares);
    makeUpdates(newDepositNAV, shares);
  }

  function setPreDeposit(address tok, uint256 amount) internal {
    aFiStorage.setPreDepositedInputToken(cSwapCounter, amount, tok);
  }

  function validateWithdraw(
    address user,
    address oToken,
    uint256 _shares
  ) public view override {
    checkFalse(!whitelistedTokens[oToken]); // Added validation to check if the token is whitelisted
    checkFalse(isPausedForWithdrawals[oToken]);
    validateShares(user, _shares);
    greaterEqualComparison(_shares, 1e17);
  }

  function validateShares(address user, uint256 _shares) internal view {
    greaterEqualComparison(
      _balances[user] -
        (userLockedAmount[user] + getNonWithdrawableShares(user, cSwapCounter)),
      _shares
    );
  }

  function withdraw(
    uint _shares,
    address oToken,
    uint deadline,
    uint[] memory minimumReturnAmount,
    uint swapMethod,
    uint minAmountOut
  ) external nonReentrant {
    checkFalse((rebalContract.isSwapMethodPaused(address(this), swapMethod)));
    checkFalse(withdrawPaused);
    validateWithdraw(msg.sender, oToken, _shares);
    updateTVL();
    // Calculate the redemption amount before updating balances
    uint r = (pool * (_shares)) / (_totalSupply);
    greaterEqualComparison(r, 1);

    IAFiStorage.RedemptionParams memory params = IAFiStorage.RedemptionParams({
      baseContract: address(this),
      r: r,
      oToken: oToken,
      cSwapCounter: cSwapCounter,
      uTokens: uTokens,
      iTokens: token,
      deadline: deadline,
      minimumReturnAmount: minimumReturnAmount,
      _pool: pool,
      tSupply: _totalSupply,
      depositNAV: depositNAV[msg.sender],
      minAmountOut: minAmountOut
    });

    uint256 redFromContract = aFiStorage.handleRedemption(
      params,
      _shares,
      swapMethod,
      new bytes[](uTokens.length + token.length)
    );
    burn(msg.sender, _shares);
    greaterEqualComparison(balance(oToken, address(this)), redFromContract);
    greaterEqualComparison(redFromContract, minAmountOut);
    checkNav(msg.sender);

    contractTransfers(oToken, msg.sender, redFromContract);
    emit Withdraw(msg.sender, _shares, oToken);
  }

  function burn(address account, uint256 amount) internal {
    _balances[account] -= amount;
    _totalSupply -= amount;
    emit Transfer(account, address(0), amount);
  }

  function compareManagerAndStorage() internal view {
    twoAddressCompare(aFiManager, address(aFiStorage));
  }

  function swapfromSelectiveDex(
    address from,
    address to,
    uint amount,
    uint deadline,
    address midTok,
    uint minimumReturnAmount,
    bytes calldata _oneInchSwapData
  ) external override returns (uint256 _amountOut) {
    compareManagerAndStorage();
    (_amountOut) = _routeSwap(
      from,
      to,
      amount,
      deadline,
      midTok,
      minimumReturnAmount,
      _oneInchSwapData
    );
  }

  function getDexType(address tokIn, address tokOut) internal view returns (DexChoice) {
    return DexChoice(uint(rebalContract.getDexType(tokIn, tokOut)));
  }

  function _routeSwap(
    address _tokenIn,
    address _tokenOut,
    uint256 _amountIn,
    uint256 _maxTime,
    address middleToken,
    uint256 minimumReturnAmount,
    bytes calldata oneInchSwapData
  ) internal returns (uint256 amountOut) {
    DexChoice preferredDex = getDexType(_tokenIn, _tokenOut);
    if (preferredDex == DexChoice.UNISWAP_V3 || oneInchSwapData.length == 0) {
      (amountOut) = _uniswapV3Router(
        _tokenIn,
        _tokenOut,
        _amountIn,
        _maxTime,
        middleToken,
        minimumReturnAmount
      );
    } else if (preferredDex == DexChoice.ONE_INCH) {
      (amountOut) = _oneInchRouter(
        oneInchSwapData,
        _tokenIn,
        _amountIn,
        _tokenOut, // Pass destination token
        minimumReturnAmount, // Pass minimum return amount
        address(this) // Pass recipient (the contract itself)
      );
    }
    return (amountOut);
  }

  function getdatastruct(
    address _tokenIn,
    address _tokenOut,
    uint _amountIn,
    uint _maxTime,
    address middleToken,
    uint256 minimumReturnAmount
  ) internal returns (bytes memory) {
    return
      rebalContract.uniswapV3Oracle(
        address(this),
        _tokenIn,
        _tokenOut,
        _amountIn,
        _maxTime,
        middleToken,
        minimumReturnAmount
      );
  }

  function _uniswapV3Router(
    address _tokenIn,
    address _tokenOut,
    uint _amountIn,
    uint _maxTime,
    address middleToken,
    uint256 minimumReturnAmount
  ) internal returns (uint amountOut) {
    approval(_tokenIn, address(UNISWAP_EXCHANGE), _amountIn);
    if (
      _tokenIn == WETH ||
      _tokenOut == WETH ||
      _tokenIn == middleToken ||
      _tokenOut == middleToken
    ) {
      bytes memory swapParams = getdatastruct(
        _tokenIn,
        _tokenOut,
        _amountIn,
        _maxTime,
        middleToken,
        minimumReturnAmount
      );
      ISwapRouter.ExactInputSingleParams memory params = abi.decode(
        swapParams,
        (ISwapRouter.ExactInputSingleParams)
      );
      amountOut = UNISWAP_EXCHANGE.exactInputSingle(params);
    } else {
      bytes memory swapParams = getdatastruct(
        _tokenIn,
        _tokenOut,
        _amountIn,
        _maxTime,
        middleToken,
        minimumReturnAmount
      );
      ISwapRouter.ExactInputParams memory params = abi.decode(
        swapParams,
        (ISwapRouter.ExactInputParams)
      );
      amountOut = UNISWAP_EXCHANGE.exactInput(params);
    }
    greaterEqualComparison(amountOut, minimumReturnAmount);
    return (amountOut);
  }

  function _oneInchRouter(
    bytes calldata swapdata,
    address srcToken,
    uint256 srcAmount,
    address dstToken, // Add destination token parameter
    uint256 minReturnAmount, // Add minimum return amount parameter
    address recipient // Add recipient parameter
  ) internal returns (uint256 amountOut) {
    greaterEqualComparison(swapdata.length, 4);

    bytes calldata dataToValidate = swapdata[4:];
    (address executor1, SwapDescription memory desc, bytes memory data) = abi.decode(
      dataToValidate,
      (address, SwapDescription, bytes)
    );

    addressEqual(address(desc.srcToken), srcToken);
    addressEqual(address(desc.dstToken), dstToken);
    addressEqual(address(desc.dstReceiver), recipient);

    if (srcAmount != desc.amount) {
      desc.minReturnAmount = (desc.minReturnAmount * ((srcAmount * 1e18) / desc.amount)) / 1e18;
      desc.amount = srcAmount;
    } 

    approval(srcToken, ONEINCH_ROUTER, desc.amount);
    uint256 destBal = balance(dstToken, address(this));

    (bool success, ) = ONEINCH_ROUTER.call{value: msg.value}(
      abi.encodeWithSelector(IAggregationRouterV6.swap.selector, executor1, desc, data)
    );

    checkFalse(!success);

    destBal = balance(dstToken, address(this)) - destBal;
    greaterEqualComparison((destBal), minReturnAmount);
    IERC20(srcToken).safeApprove(ONEINCH_ROUTER, 0);
    return (destBal);
  }

  /**
   * @notice Function sends profit to wallets in the process of proffir share.
   * @param wallet address to send profit to.
   * @param profitShare i.e. amount to be transferred.
   * @param oToken address of the token to consider for amount deduction.
   */
  function sendProfitOrFeeToManager(
    address wallet,
    uint profitShare,
    address oToken
  ) external override {
    compareManagerAndStorage();
    contractTransfers(oToken, wallet, profitShare);
  }

  function checkStorage() internal view {
    addressEqual(msg.sender, address(aFiStorage));
  }

  /**
   * @notice _supplyCompV3 function supply the fund of token to Compound V3 protocol for yield generation.
   * @dev this function should be called by AFiStorage only
   * @param tok address of the token to consider for supply.
   * @param amount i.e calculated amount of token to invest.
   */
  function _supplyCompV3(address tok, uint amount) external override {
    checkstorageAndApproval(tok, compoundV3Comet[tok], amount);
    CompoundV3(compoundV3Comet[tok]).supply(tok, amount);
  }

  /**
   * @notice _withdrawCompoundV3 function withdraws the fund of token from CompoundV3 protocol.
   * @param tok address of the token to consider to withdraw.
   * @param amount i.e calculated amount of token to withdraw.
   */
  function _withdrawCompoundV3(address tok, uint amount) external override {
    checkStorage();
    CompoundV3(compoundV3Comet[tok]).withdraw(tok, amount);
  }

  /**
   * @notice _supplyAave function supply the fund of token to AAVe protocol for yield generation.
   * @dev this function should be called by AFiStorage only
   * @param tok address of the token to consider for supply.
   * @param amount i.e calculated amount of token to invest.
   */
  function _supplyAave(address tok, uint amount) external override {
    checkstorageAndApproval(tok, address(_lendingPool()), amount);
    _lendingPool().deposit(tok, amount, address(this), 0);
  }

  /**
   * @notice _supplyCompound function supply the fund of token to Compound protocol for yield generation.
   * @dev this function should be called by AFiStorage only
   * @param tok address of the token to consider for supply.
   * @param amount i.e calculated amount of token to invest.
   */
  function _supplyCompound(address tok, uint amount) external override {
    checkstorageAndApproval(tok, compound[tok], amount);
    checkEqual(Compound(compound[tok]).mint(amount), 0);
  }

  function approval(address tok, address sender, uint256 amount) internal {
    uint256 allowance = IERC20(tok).allowance(address(this), sender);
    if (allowance < amount) {
      IERC20(tok).safeIncreaseAllowance(sender, (amount - allowance));
    }
  }

  function checkstorageAndApproval(address from, address to, uint256 amount) internal {
    checkStorage();
    //approval
    approval(from, to, amount);
  }

  /**
   * @notice _withdrawAave function withdraws the fund of token from AAve protocol.
   * @param tok address of the token to consider to withdraw.
   * @param amount i.e calculated amount of token to withdraw.
   */
  function _withdrawAave(address tok, uint amount) external override {
    checkStorage();
    _lendingPool().withdraw(tok, amount, address(this));
  }

  /**
   * @notice _withdrawCompound function withdraws the fund of token from Compound protocol.
   * @param tok address of the token to consider to withdraw.
   * @param amount i.e calculated amount of token to withdraw.
   */
  function _withdrawCompound(address tok, uint amount) external override {
    checkStorage();
    checkEqual(Compound(compound[tok]).redeemUnderlying(amount), 0);
  }

  /**
   * @notice updatePoolData function updates the pool data in the process of rebalance.
   * @param data encoded data to update.
   */
  function updatePoolData(bytes memory data) external override nonReentrant {
    checkManager();
    setInitialValues(data);
  }

  /**
   * @notice Returns the array of underlying tokens.
   * @return uTokensArray Array of underlying tokens.
   */
  function getUTokens() external view override returns (address[] memory uTokensArray) {
    return uTokens;
  }

  function getProportions()
    external
    view
    override
    returns (uint[] memory, uint[] memory)
  {
    return (uTokenProportions, defaultProportion);
  }

  /**
   * @notice Sets unstaking data and returns necessary information.
   * @dev This function is used to set unstaking data and returns relevant information.
   * @param totalQueuedShares The total number of queued shares for unstaking.
   * @return token An array containing token addresses.
   * @return uTokens An array containing addresses of underlying tokens.
   * @return pool The address of the pool.
   * @return tSupply The total supply of tokens after considering queued shares.
   */
  function setUnstakeData(
    uint256 totalQueuedShares
  ) external override returns (address[] memory, address[] memory, uint256, uint256) {
    checkOracle();
    uint256 tSupply = _totalSupply;
    if (totalQueuedShares != 0) {
      _totalSupply -= totalQueuedShares;
    }
    return (token, uTokens, pool, tSupply);
  }

  /**
   * @notice Retrieves input tokens.
   * @dev This function is used to retrieve input token addresses and non-overlapping input token addresses.
   * @return token An array containing input token addresses.
   * @return nonOverlappingITokens An array containing non-overlapping input token addresses.
   */
  function getInputToken()
    external
    view
    override
    returns (address[] memory, address[] memory)
  {
    return (token, nonOverlappingITokens);
  }

  /**
   * @notice setInitialValues function initialises the pool and afi product data
   * @param data  i.e encoded data that contains pool, product data.
   */
  function setInitialValues(bytes memory data) internal {
    IAFi.PoolsData memory pooldata = abi.decode(data, (IAFi.PoolsData));
    IAFi.UnderlyingData memory uData = abi.decode(
      pooldata.underlyingData,
      (IAFi.UnderlyingData)
    );

    address tok;
    uint uLen = uData._underlyingTokens.length;
    for (uint i = 0; i < uLen; i++) {
      tok = uData._underlyingTokens[i];
      uTokens.push(uData._underlyingTokens[i]);
      uTokenProportions.push(pooldata._underlyingTokensProportion[i]);
      compound[tok] = pooldata._compound[i];
      compoundV3Comet[tok] = pooldata.compoundV3Comet[i];
      aFiStorage.afiSync(
        address(this),
        tok,
        pooldata._aaveToken[i],
        compoundV3Comet[tok],
        compound[tok]
      );
    }
  }

  function updateuTokAndProp(address[] memory _uTokens) external override {
    checkManager();
    uTokens = _uTokens;
  }

  function checkManager() internal {
    addressEqual(msg.sender, aFiManager);
  }

  /**
   * @notice updateDp Function updates the default proportion after rebalance
   * @dev it should be called by the AFiManager contract only.
   * @param _defaultProportion i.e array of new default proportion
   */
  function updateDp(
    uint256[] memory _defaultProportion,
    uint256[] memory _uTokensProportion
  ) external override {
    checkManager();
    uTokenProportions = _uTokensProportion;
    defaultProportion = _defaultProportion;
  }

  /// @notice Retrieves Aave LendingPool address
  /// @return A reference to LendingPool interface
  function _lendingPool() internal view returns (ILendingPool) {
    return ILendingPool(IPoolAddressesProvider(POOL_ADDRESS_PROVIDER).getPool());
  }

  function checkOracle() internal {
    addressEqual(msg.sender, aFiOracle);
  }

  /**
   * @notice updateShares Function locks/unlocks afi token
   * @dev it should be called by the time lock contract only.
   * @param user address to lock the afi token from.
   * @param amount i.e. amount to be locked/unlocked.
   * @param lock i.e. status if amount should be locked or unlocked.
   */
  function stakeShares(address user, uint256 amount, bool lock) external {
    addressCheck(user, tLContract);
    if (lock) {
      validateShares(user, amount);
    } else {
      greaterEqualComparison(userLockedAmount[user], amount);
    }
    updateLockedTokens(user, amount, lock, false, false, 0);
  }

  function updateLockedTokens(
    address user,
    uint256 amount,
    bool lock,
    bool queue,
    bool unqueue,
    uint256 newNAV
  ) public override {
    twoAddressCompare(tLContract, aFiOracle);
    if (msg.sender == tLContract) {
      if (lock) {
        userLockedAmount[user] = userLockedAmount[user] + (amount);
      } else {
        userLockedAmount[user] = userLockedAmount[user] - (amount);
      }
    }

    if (queue) {
      _balances[user] -= amount;
      if (_balances[user] == 0 && userLockedAmount[user] == 0) {
        delete depositNAV[user];
      }
      emit Transfer(user, address(0), amount);
    }
    if (unqueue) {
      depositNAV[user] = newNAV;
      _balances[user] += amount;
      emit Transfer(address(0), user, amount);
    }
  }

  /**
   * @notice updateTimeLockContract Function updates timelock contract address and zero address should not pass
   * @param newTL address of the timelock contract.
   */
  function updateTimeLockContract(address newTL) external onlyOwner {
    addressCheck(newTL, address(0));
    tLContract = newTL;
  }

  /**
   * @notice Allows the owner to emergency withdraw tokens from the contract.
   * @dev Only the platform wallet can call this function.
   * @param tok Address of the token to be withdrawn.
   * @param wallet Address to receive the withdrawn tokens.
   */
  function emergencyWithdraw(address tok, address wallet) external {
    checkDelayModule();
    (bool iPresent, bool present) = checkTokInList(tok);
    checkFalse(present);
    checkFalse(iPresent);
    contractTransfers(tok, wallet, balance(tok, address(this)));
  }

  function checkDelayModule() internal {
    addressEqual(msg.sender, delayModule);
  }

  /**
   * @notice Returns the balance of a specific token in the AFi contract.
   * @param tok The address of the token.
   * @param user The address of the AFi contract or any user.
   * @return The token balance.
   */
  function balance(address tok, address user) internal view returns (uint) {
    return IERC20(tok).balanceOf(user);
  }

  /**
   * @notice Updates the list of input tokens for the contract.
   * @dev Only the contract owner can call this function.
   * @param _nonOverlappingITokens Array of addresses representing input tokens.
   */
  function updateInputTokens(
    address[] memory _nonOverlappingITokens
  ) external override {
    twoAddressCompare(owner(), aFiManager);
    nonOverlappingITokens = _nonOverlappingITokens;
  }

  /**
   * @notice Returns the NAV (Net Asset Value) of a user's deposited funds.
   * @param user Address of the user.
   * @return The NAV of the user's deposited funds.
   */
  function depositUserNav(address user) external view override returns (uint256) {
    if (_balances[user] == 0) {
      return 0;
    } else {
      return depositNAV[user];
    }
  }

  function migration(address iToken) external onlyOwner {
    addressCheck(PARENT_VAULT, address(0));
    checkFalse(migrated);
    _totalSupply += IERC20(PARENT_VAULT).totalSupply();
    migrated = true;
    increasecsCounter();
    setPreDeposit(iToken, balance(iToken, address(this)));
  }

  function checkEqual(uint256 valA, uint256 valB) internal {
    require(valA == valB, "AB222");
  }

  function exchangeToken() external {
    checkFalse(!migrated);
    uint256 shares = balance(PARENT_VAULT, msg.sender);
    greaterEqualComparison(shares, 1);

    uint256 userNAV = IAFi(PARENT_VAULT).depositUserNav(msg.sender);
    IERC20(PARENT_VAULT).safeTransferFrom(msg.sender, DEAD_ADDRESS, shares);

    uint256 nav = depositNAV[msg.sender];
    uint256 bal = _balances[msg.sender];

    if (nav != 0 && bal > 0) {
      userNAV = ((nav * bal) + (shares * userNAV)) / (bal + shares);
    }
    _balances[msg.sender] += shares;
    emit Transfer(address(0), msg.sender, shares);

    makeUpdates(userNAV, 0);
  }

  function makeUpdates(uint256 userNAV, uint256 nonwithdrawable) internal {
    depositNAV[msg.sender] = userNAV; //take weigted average
    nonWithdrawableShares[msg.sender][cSwapCounter] += nonwithdrawable;
  }

  function handleOrphanTokens(
    address tok, 
    address oToken, 
    address middleTok, 
    uint256 _deadline, 
    uint256 minimumReturnAmount,
    bytes calldata swapData
    ) external onlyOwner {
    ( bool iPresent, ) = checkTokInList(oToken);
    checkFalse(!iPresent);
    bool present;
    (iPresent, present) = checkTokInList(tok);
    uint256 tokBal = balance(tok, address(this));
    if(iPresent && !present){
      uint256 preDep = getPreDepositTokensBalance(tok, cSwapCounter);
      if(tokBal >  preDep){
        setPreDeposit(tok, (tokBal - preDep));
      }
    }else if(!iPresent && !present){
      (uint256 returnAmount ) = _routeSwap(
        tok,
        oToken,
        tokBal,
        _deadline,
        middleTok,
        minimumReturnAmount,
        swapData
      );
      setPreDeposit(oToken, (returnAmount));
    }
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

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

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

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

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

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

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

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: Unlicensed

pragma solidity ^0.8.0;

// Reference: https://github.com/cryptofinlabs/cryptofin-solidity/blob/master/contracts/array-utils/AddressArrayUtils.sol
library ArrayUtils {
  /**
   * Deletes address at index and fills the spot with the last address.
   * Order is preserved.
   */
  // solhint-disable-next-line var-name-mixedcase
  function sPopAddress(address[] storage A, uint index) internal {
    uint length = A.length;
    if (index >= length) {
      revert("Error: index out of bounds");
    }

    for (uint i = index; i < length - 1; i++) {
      A[i] = A[i + 1];
    }
    A.pop();
  }

  // solhint-disable-next-line var-name-mixedcase
  function sPopUint256(uint[] storage A, uint index) internal {
    uint length = A.length;
    if (index >= length) {
      revert("Error: index out of bounds");
    }

    for (uint i = index; i < length - 1; i++) {
      A[i] = A[i + 1];
    }
    A.pop();
  }

  // solhint-disable-next-line var-name-mixedcase
  function sumOfMArrays(
    uint[] memory A,
    uint[] memory B
  ) internal pure returns (uint[] memory sum) {
    sum = new uint[](A.length);
    for (uint i = 0; i < A.length; i++) {
      sum[i] = A[i] + B[i];
    }
    return sum;
  }

  /**
   * Finds the index of the first occurrence of the given element.
   * @param A The input array to search
   * @param a The value to find
   * @return Returns (index and isIn) for the first occurrence starting from index 0
   */
  function indexOf(address[] memory A, address a) internal pure returns (uint, bool) {
    uint length = A.length;
    for (uint i = 0; i < length; i++) {
      if (A[i] == a) {
        return (i, true);
      }
    }
    return (type(uint).max, false);
  }

  /**
   * Returns true if the value is present in the list. Uses indexOf internally.
   * @param A The input array to search
   * @param a The value to find
   * @return Returns isIn for the first occurrence starting from index 0
   */
  function contains(address[] memory A, address a) internal pure returns (bool) {
    (, bool isIn) = indexOf(A, a);
    return isIn;
  }

  /**
   * Returns true if there are 2 elements that are the same in an array
   * @param A The input array to search
   * @return Returns boolean for the first occurrence of a duplicate
   */
  function hasDuplicate(address[] memory A) internal pure returns (bool) {
    require(A.length > 0, "A is empty");

    for (uint i = 0; i < A.length - 1; i++) {
      address current = A[i];
      for (uint j = i + 1; j < A.length; j++) {
        if (current == A[j]) {
          return true;
        }
      }
    }
    return false;
  }

  /**
   * @param A The input array to search
   * @param a The address to remove
   * @return Returns the array with the object removed.
   */
  function remove(
    address[] memory A,
    address a
  ) internal pure returns (address[] memory) {
    (uint index, bool isIn) = indexOf(A, a);
    if (!isIn) {
      revert("Address not in array.");
    } else {
      (address[] memory _A, ) = pop(A, index);
      return _A;
    }
  }

  /**
   * @param A The input array to search
   * @param a The address to remove
   */
  function removeStorage(address[] storage A, address a) internal {
    (uint index, bool isIn) = indexOf(A, a);
    if (!isIn) {
      revert("Address not in array.");
    } else {
      uint lastIndex = A.length - 1; // If the array would be empty, the previous line would throw, so no underflow here
      if (index != lastIndex) {
        A[index] = A[lastIndex];
      }
      A.pop();
    }
  }

  /**
   * Removes specified index from array
   * @param A The input array to search
   * @param index The index to remove
   * @return Returns the new array and the removed entry
   */
  function pop(
    address[] memory A,
    uint index
  ) internal pure returns (address[] memory, address) {
    uint length = A.length;
    require(index < A.length, "Index must be < A length");
    address[] memory newAddresses = new address[](length - 1);
    for (uint i = 0; i < index; i++) {
      newAddresses[i] = A[i];
    }
    for (uint j = index + 1; j < length; j++) {
      newAddresses[j - 1] = A[j];
    }
    return (newAddresses, A[index]);
  }

  /**
   * Returns the combination of the two arrays
   * @param A The first array
   * @param B The second array
   * @return Returns A extended by B
   */
  function extend(
    address[] memory A,
    address[] memory B
  ) internal pure returns (address[] memory) {
    uint aLength = A.length;
    uint bLength = B.length;
    address[] memory newAddresses = new address[](aLength + bLength);
    for (uint i = 0; i < aLength; i++) {
      newAddresses[i] = A[i];
    }
    for (uint j = 0; j < bLength; j++) {
      newAddresses[aLength + j] = B[j];
    }
    return newAddresses;
  }

  /**
   * Validate that address and uint array lengths match. Validate address array is not empty
   * and contains no duplicate elements.
   *
   * @param A         Array of addresses
   * @param B         Array of uint
   */
  function validatePairsWithArray(address[] memory A, uint[] memory B) internal pure {
    require(A.length == B.length, "Array length mismatch");
    _validateLengthAndUniqueness(A);
  }

  /**
   * Validate that address and bool array lengths match. Validate address array is not empty
   * and contains no duplicate elements.
   *
   * @param A         Array of addresses
   * @param B         Array of bool
   */
  function validatePairsWithArray(address[] memory A, bool[] memory B) internal pure {
    require(A.length == B.length, "Array length mismatch");
    _validateLengthAndUniqueness(A);
  }

  /**
   * Validate that address and string array lengths match. Validate address array is not empty
   * and contains no duplicate elements.
   *
   * @param A         Array of addresses
   * @param B         Array of strings
   */
  function validatePairsWithArray(address[] memory A, string[] memory B) internal pure {
    require(A.length == B.length, "Array length mismatch");
    _validateLengthAndUniqueness(A);
  }

  /**
   * Validate that address array lengths match, and calling address array are not empty
   * and contain no duplicate elements.
   *
   * @param A         Array of addresses
   * @param B         Array of addresses
   */
  function validatePairsWithArray(
    address[] memory A,
    address[] memory B
  ) internal pure {
    require(A.length == B.length, "Array length mismatch");
    _validateLengthAndUniqueness(A);
  }

  /**
   * Validate that address and bytes array lengths match. Validate address array is not empty
   * and contains no duplicate elements.
   *
   * @param A         Array of addresses
   * @param B         Array of bytes
   */
  function validatePairsWithArray(address[] memory A, bytes[] memory B) internal pure {
    require(A.length == B.length, "Array length mismatch");
    _validateLengthAndUniqueness(A);
  }

  /**
   * Validate address array is not empty and contains no duplicate elements.
   *
   * @param A          Array of addresses
   */
  function _validateLengthAndUniqueness(address[] memory A) internal pure {
    require(A.length > 0, "Array length must be > 0");
    require(!hasDuplicate(A), "Cannot duplicate addresses");
  }
}

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

pragma solidity ^0.8.0;

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

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface CustomizeIERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

// 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 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 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;
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

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

pragma solidity ^0.8.0;

import {CustomizeIERC20} from "./CustomizeIERC20.sol";
import "./IERC20Metadata.sol";
import "./Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is CustomizeIERC20, Context, IERC20Metadata {
    mapping(address => uint256) internal _balances;

    mapping(address => mapping(address => uint256)) internal _allowances;
    
    uint256 internal _totalSupply;

    string internal _name;
    string internal _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

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

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

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

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

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

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

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

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

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

        return true;
    }

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

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _balances[to] += amount;
        }

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

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

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

        _totalSupply += amount;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _balances[account] += amount;
        }
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

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

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

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

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

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

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

import {IERC20Extended as IERC20} from "./IERC20Extended.sol";
import "./IAFiStorage.sol";
import "./IPassiveRebal.sol";

/**
 * @title PassiveRebal.
 * @notice Interface of the Passive Rebalance contract.
 */
interface PassiveRebal {
  function applyRebalForProportions(
    address _aFiContract,
    address _aFiManager,
    address _aFiStorage,
    address[] memory _tokens,
    uint256 strategy
  ) external view returns (uint[] memory proportions, uint256);

  function getPauseStatus() external returns (bool);
  function getRebalStrategyNumber(address aFiContract) external returns (uint);
  function getPauseDepositController(address afiContract) external view returns (address);
}

interface IAFiOracle {
  function uniswapV3Oracle(
    address afiContract,
    address _tokenIn,
    address _tokenOut,
    uint _amountIn,
    uint _maxTime,
    address middleToken,
    uint256 minimumReturnAmount
  ) external returns (bytes memory swapParams);
}

interface IAFiManager {
  function updateUTokenProportion(
    address aFiContract,
    address aFiStorage
  ) external returns (uint256[] memory);

  function inputTokenUSD(
    IAFi aFiContract,
    uint256 cSwapCounter,
    IAFiStorage _aFiStorage
  ) external view returns (uint256 totalPreDepositInUSD);

  function rebalanceController() external view returns(address);
  function pauseQueueWithdrawUnstaking(address afiContract,bool status) external;
  function isQueueWithdrawUnstakingPaused(address afiContract) external view returns(bool);

  function getUTokenProportion(
    address aFiContract,
    address _aFiStorage
  )
    external
    view
  returns (uint256[] memory underlyingTokenProportions, uint256 totalProp);
}

/**
 * @title IAFi.
 * @notice Interface of the AToken.
 */
interface IAFi {

  struct UnderlyingData {
    address[] _underlyingTokens; //uTokens
    address[] _underlyingUniPoolToken; //uToken - MiddleToken
  }

  struct PoolsData {
    address[] _depositStableCoin;
    address[] _depositCoinOracle;
    bytes underlyingData;
    address[] _compound;
    address[] _aaveToken;
    address[] _priceOracles;
    uint[] _underlyingTokensProportion;
    address[] compoundV3Comet;
    uint _typeOfProduct;
  }

  struct SwapParameters {
    address afiContract;
    address oToken;
    uint256 cSwapFee;
    uint256 cSwapCounter;
    address[] depositTokens;
    uint256[] minimumReturnAmount;
    uint256[] iMinimumReturnAmount; // minimum amount out expcted after swaps For deposit tokens
    address[] underlyingTokens;
    uint256[] newProviders;
    uint _deadline;
    address[] cometToClaim;
    address[] cometRewardTokens;
    uint256[] rewardTokenMinReturnAmounts;
  }

  struct SwapDataStructure {
    bytes[] firstIterationUnderlyingSwap;
    bytes[] secondIterationUnderlyingSwap;
    bytes[] firstIterationCumulativeSwap;
    bytes[] secondIterationCumulativeSwap;
  }

  struct SwapDescription {
    IERC20 srcToken;
    IERC20 dstToken;
    address payable srcReceiver;
    address payable dstReceiver;
    uint256 amount;
    uint256 minReturnAmount;
    uint256 flags;
  }

  /**
   * @notice Function to initialize the data, owner and afi token related data.
   * @dev the function should be called once only by factory
   * @param newOwner indicates the owner of the created afi product.
   * @param _name indicates the name of the afi Token
   * @param _symbol indicates symbol of the the afi Token.
   * @param data indicates the encoded data that follows the PoolsData struct format.
   * @param _isActiveRebalanced indicates the active rebalance status of the afi contract.
   * @param _aFiStorage indicates the afi storage contract address.
   */
  function initialize(
    address newOwner,
    string memory _name,
    string memory _symbol,
    bytes memory data,
    bool _isActiveRebalanced,
    IAFiStorage _aFiStorage,
    address[] memory _commonInputTokens,
    address parentVault
  ) external;

  /**
   * @notice Function to initialize accepted tokens in deposit and withdraw functions.
   * @dev  the function should be called once only by factory
   * @param iToken indicates the array of the accepted token addressess.
   */
  function initializeToken(
    address[] memory iToken,
    address[] memory _teamWallets,
    IPassiveRebal _rebalContract,
    address _aFiManager
  ) external;

  function getcSwapCounter() external view returns(uint256);

  /**
   * @notice Returns the array of underlying tokens.
   * @return uTokensArray Array of underlying tokens.
   */
  function getUTokens() external view returns (address[] memory uTokensArray);
  
  function swapfromSelectiveDex(
    address from,
    address to,
    uint amount,
    uint deadline,
    address midTok,
    uint minimumReturnAmount,
    bytes calldata _oneInchSwapData
  ) external returns (uint256 _amountOut);

  /**
   * @notice Returns the paused status of the contract.
   */
  function isPaused() external view returns (bool, bool);

  function getProportions()
    external
    view
    returns (uint[] memory, uint[] memory);

  /**
    * @notice Updates the pool data during Active Rebalance.
    * @param data that follows PoolsData format indicates the data of the token being rebalanced in Active Rebalance.
    */
  function updatePoolData(bytes memory data) external;

  function sendProfitOrFeeToManager(
    address wallet,
    uint profitShare,
    address oToken
  ) external;

  function _supplyCompV3(address tok, uint amount) external;

  function _supplyAave(address tok, uint amount) external;

  function _supplyCompound(address tok, uint amount) external;

  function _withdrawAave(address tok, uint amount) external;

  function _withdrawCompoundV3(address tok, uint amount) external;

  function _withdrawCompound(address tok, uint amount) external;

  function getTVLandRebalContractandType()
    external
    view
  returns (uint256, address, uint256);

  function getInputToken() external view returns (address[] memory, address[] memory);

  function swap(
    address inputToken,
    address uTok,
    uint256 amountAsPerProportion,
    uint _deadline,
    address middleToken,
    uint256 minimumReturnAmount,
    bytes calldata swapData
  ) external returns (uint256 returnAmount);

  function updateDp(
    uint256[] memory _defaultProportion,
    uint256[] memory _uTokensProportion
  ) external;

  function updateuTokAndProp(
    address[] memory _uTokens
  ) external;

  function underlyingTokensStaking() external;

  function depositUserNav(address user) external view returns (uint256);

  function setUnstakeData(uint256 totalQueuedShares) external returns (address[] memory, address[] memory, uint256, uint256);

  function isOTokenWhitelisted(address oToken) external view returns (bool);

  function validateWithdraw(address user, address oToken, uint256 _shares) external;

  function updateLockedTokens(
    address user,
    uint256 amount,
    bool lock,
    bool queue,
    bool unqueue,
    uint256 newNAV
  ) external;
  
  function updateTVL() external;
  function updateInputTokens(address[] memory _inputTokens) external;  
  function reinitializeHappened(bool status) external;
  function pauseUnpauseDeposit(bool status) external;
  function getNonWithdrawableShares(address user, uint256 csCounterValue) external view returns(uint256);
  function getReinitializeStatus() external view returns (bool vaultReInitialized);

  function updateCp(uint256[] memory newCp) external; 
}

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

/**
 * @title IAFiStorage.
 * @notice Interface of the AFiStorage.
 */

interface IIEarnManager {
  function recommend(
    address _token,
    address afiBase,
    address afiStorage
  ) external view returns (string memory choice, uint capr, uint aapr, uint dapr);
}

interface IAFiStorage {
  /**
   * @notice Struct representing investor details.
   * @param isPresent Boolean indicating whether an investor exists.
   * @param uTokenBalance Investor underlying token balance.
   * @param investedAmount Amount of StableCoin invested in the underlying token
   */
  struct Investor {
    bool isPresent;
    uint depositNAV;
    uint redemptionNAV;
  }

  struct RedemptionParams {
        address baseContract;
        uint r;
        address oToken;
        uint256 cSwapCounter;
        address[] uTokens;
        address[] iTokens;
        uint256 deadline;
        uint256[] minimumReturnAmount;
        uint256 _pool;
        uint256 tSupply;
        uint256 depositNAV;
        uint256 minAmountOut;
    }

  /**
   * @notice Struct representing TeamWallet details.
   * @param isPresent Boolean indicating whether a wallet exists.
   * @param isActive Boolean indicating whether a wallet is active.
   * @param walletAddress Wallet address.
   */
  struct TeamWallet {
    bool isPresent;
    bool isActive;
    address walletAddress;
  }

  /**
   * @notice Struct representing Rebalance details.
   * @param scenario Scenario can be either of 0, 1 or 2.
   * @param rebalancedUToken Address of the underlying token that is rebalanced.
   * @param rebalancedToUTokens Array of addresses of underlying tokens to which the uToken has been rebalanced.
   */
  struct RebalanceDetails {
    uint8 scenario;
    address rebalancedUToken;
    address[] rebalancedToUTokens;
  }

  /**
   * @param walletAddress Address of the wallet.
   * @param isActive Boolean indicating wallet active status.
   */
  event TeamWalletActive(address indexed walletAddress, bool isActive);

  /**
   * @param walletAddress Address of the wallet.
   * @param isActive Boolean indicating wallet active status.
   */
  event TeamWalletAdd(address indexed walletAddress, bool isActive);

  /**
   * @notice Returns the team wallet details.
   * @param aFiContract Address of the AFi contract.
   * @param _wallet Wallet address
   * @return isPresent Boolean indicating the present status of the wallet.
   * @return isActive Boolean indicating whether to set the wallet to either active/inactive.
   */
  function getTeamWalletDetails(
    address aFiContract,
    address _wallet
  ) external view returns (bool isPresent, bool isActive);

  function handleRedemption(
    RedemptionParams memory params,
    uint _shares,
    uint swapMethod,
    bytes[] calldata swapData
  ) external returns (uint256 redemptionFromContract);
  /**
   * @notice To add a new team wallet.
   * @param aFiContract Address of the AFi contract.
   * @param _wallet Wallet address that has to be added in the `teamWallets` array.
   * @param isActive Boolean indicating whether to set the wallet to either active/inactive.
   * @param isPresent Boolean indicating the present status of the wallet.
   */
  function addTeamWallet(
    address aFiContract,
    address _wallet,
    bool isActive,
    bool isPresent
  ) external;

  /**
   * @notice Returns the team wallets for an AFi.
   * @param aFiContract Address of the AFi contract.
   * @return _teamWallets Array of teamWallets.
   */
  function getTeamWalletsOfAFi(
    address aFiContract
  ) external view returns (address[] memory _teamWallets);

  /**
   * @notice Sets the address for team wallets.
   * @param aFiContract Address of the AFi contract.
   * @param _teamWallets Array of addresses for the team wallets.
   */
  function setTeamWallets(address aFiContract, address[] memory _teamWallets) external;

  /**
   * @notice Sets the status for the AFi in the storage contract.
   * @param aFiContract Address of the AFi contract.
   * @param active status for afiContracts.
   */
  function setAFiActive(address aFiContract, bool active) external;

  /**
   * @notice Sets Active Rebalance status of an AFi.
   * @param aFiContract Address of the AFi contract.
   * @param status indicating active rebalance status of the AFi contract.
   */
  function setActiveRebalancedStatus(address aFiContract, bool status) external;

  /**
   * @notice gets Active Rebalance status of an AFi.
   * @param aFiContract Address of the AFi contract.
   * @return _isActiveRebalanced bool indicating active rebalance status of the AFi contract.
   */
  function isAFiActiveRebalanced(
    address aFiContract
  ) external view returns (bool _isActiveRebalanced);

  function getTotalActiveWallets(address aFiContract) external view returns (uint);

  function calcPoolValue(
    address tok,
    address afiContract
  ) external view returns (uint);

  function calculateBalanceOfUnderlying(
    address tok,
    address afiContract
  ) external view returns (uint);

  function calculatePoolInUsd(address afiContract) external view returns (uint);

  function afiSync(
    address afiContract,
    address tok,
    address aaveTok,
    address compV3Comet,
    address compTok
  ) external;

  function getPriceInUSD(
    address tok
  ) external view returns (uint256, uint256);

  function validateAndGetDecimals(address tok) external view returns (uint256);

  function getStakedStatus(
    address aFiContract,
    address uToken
  ) external view returns (bool);

  function rearrange(address aFiContract,address[] memory underlyingTokens, uint256[] memory newProviders) external;

  function swapForOtherProduct(
    address afiContract,
    uint r,
    address oToken,
    uint deadline,
    uint[] memory minimumReturnAmount,
    address[] memory uToken,
    bytes[] calldata swapData
  ) external returns (uint256);

  function _withdrawAll(address afiContract, address tok) external returns(bool);
  function getAFiOracle() external view returns(address);

  function calculateRedemptionFromContract(
    address afiContract,
    address tok,
    uint256 r
  ) external view returns (uint256, bool, uint256, uint256, uint256);



  function tvlRead(
    address tok,
    address afiContract
  ) external view returns (uint, uint256);

  function getPreSwapDepositsTokens(
    address aFiContract,
    uint256 _cSwapCounter,
    address stableToken
  ) external view returns (uint256);

  function setPreDepositedInputToken(uint256 _cSwapCounter, uint256 _amount,address _oToken) external;
  function setPreDepositedInputTokenInRebalance(
    address aficontract,
    uint256 _cSwapCounter,
    uint256 _amount,
    address _oToken
  ) external;

  function convertInUSDAndTok(
    address tok,
    uint256 amt,
    bool usd
  ) external view returns (uint256);

  function calculateShares(
    address afiContract,
    uint256 amount,
    uint256 prevPool,
    uint256 _totalSupply,
    address iToken,
    uint256 currentDepositNAV,
    uint256 prevBalance
  ) external view returns (uint256 shares, uint256 newDepositNAV);

  function deletePreDepositedInputToken(
    address aFiContract,
    address oToken,
    uint256 currentCounter
  )external;

 function doSwapForThewhiteListRemoval(
    address tok,
    uint256 _cSwapCounter,
    address swapToken,
    uint256 deadline,
    uint256 minAmountOut,
    bytes calldata swapData
  ) external;

 
  function setPreDepositedInputTokenInReInitialize(
    address aficontract,
    uint256 _cSwapCounter,
    uint256 _amount,
    address _oToken
  ) external;

  function withdrawStableTokens(
    address afiContract,
    uint r,
    address oToken,
    address[] memory token,
    uint256 deadline,
    uint256[] memory minimumReturnAmount,
    bytes[] calldata swapData
  ) external returns (uint256 redemptionBalance);

}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

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

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

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

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

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

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

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

// SPDX-License-Identifier: Unlicensed

pragma solidity ^0.8.0;

import "./IERC20.sol";

interface IERC20Extended is IERC20 {
  function decimals() external view returns (uint8);
}

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

pragma solidity ^0.8.0;

import "./CustomizeIERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is CustomizeIERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

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

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

// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.8.0;
import {DataTypes} from "./DataTypes.sol";

interface ILendingPool {
  /**
   * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens.
   * - E.g. User deposits 100 USDC and gets in return 100 aUSDC
   * @param asset The address of the underlying asset to deposit
   * @param amount The amount to be deposited
   * @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;

  /**
   * @dev 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 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);

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

// 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;
}

// SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.0;

interface IPassiveRebal {

  // Enum for supported DEXs
  enum DexChoice {
    UNISWAP_V3,
    ONE_INCH,
    NONE
  }

  function applyRebalForProportions(
    address _aFiContract,
    address _aFiManager,
    address _aFiStorage,
    address[] memory _tokens,
    uint256 strategy
  ) external view returns (uint[] memory proportions, uint256 totalProp);

  function getPauseStatus() external returns (bool);
  
  function getRebalStrategyNumber(address aFiContract) external view returns (uint);

  function uniswapV3Oracle(
    address afiContract,
    address _tokenIn,
    address _tokenOut,
    uint _amountIn,
    uint _maxTime,
    address middleToken,
    uint256 minimumReturnAmount
  ) external returns (bytes memory swapParams);


  function getMidToken(address tok) external view returns (address);

  function upDateInputTokPool(address[] memory iToken, bytes memory uniData) external;

  function getPriceOracle(address tok) external view returns (address);

  function updateOracleData(
    address _uToken,
    address _oracleAddress
  ) external;

   function removeToken(
    address[] memory _nonOverlappingITokens,
    address token
  ) external pure returns (address[] memory);

  function initUniStructure(
    address[] memory inputTokens,
    bytes memory _poolData
  ) external;

  function getDexType(address tokenIn, address tokenOut) external view returns (DexChoice);

  function getPauseDepositController(address afiContract) external view returns (address);

  function getStalePriceDelay(address uToken) external view returns (uint256);

  function isSwapMethodPaused(address afiContract,uint swapMethod) external view returns (bool);

  function getMinimumAmountOut(
    address _tokenIn,
    uint256 _amountIn,
    address _tokenOut,
    address _uniPool
  ) external view returns (uint256 amountOut);

  function updateMidToken(address[] memory tok, address[] memory midTok) external;

  function getPreSwapDepositLimit() external view returns (uint256);

  function validateAndApplyRebalanceStrategy(
    address afiContract,
    address[] memory uTokens,
    uint256 toSwap,
    uint256 cSwapCounter
  ) external returns ( uint256 );
}

// SPDX-License-Identifier: GPL-2.0-or-later
pragma solidity >=0.7.5;
pragma abicoder v2;



/// @title Callback for IUniswapV3PoolActions#swap
/// @notice Any contract that calls IUniswapV3PoolActions#swap must implement this interface
interface IUniswapV3SwapCallback {
    /// @notice Called to `msg.sender` after executing a swap via IUniswapV3Pool#swap.
    /// @dev In the implementation you must pay the pool tokens owed for the swap.
    /// The caller of this method must be checked to be a UniswapV3Pool deployed by the canonical UniswapV3Factory.
    /// amount0Delta and amount1Delta can both be 0 if no tokens were swapped.
    /// @param amount0Delta The amount of token0 that was sent (negative) or must be received (positive) by the pool by
    /// the end of the swap. If positive, the callback must send that amount of token0 to the pool.
    /// @param amount1Delta The amount of token1 that was sent (negative) or must be received (positive) by the pool by
    /// the end of the swap. If positive, the callback must send that amount of token1 to the pool.
    /// @param data Any data passed through by the caller via the IUniswapV3PoolActions#swap call
    function uniswapV3SwapCallback(
        int256 amount0Delta,
        int256 amount1Delta,
        bytes calldata data
    ) external;
}

/// @title Router token swapping functionality
/// @notice Functions for swapping tokens via Uniswap V3
interface ISwapRouter is IUniswapV3SwapCallback {
    struct ExactInputSingleParams {
        address tokenIn;
        address tokenOut;
        uint24 fee;
        address recipient;
        uint256 deadline;
        uint256 amountIn;
        uint256 amountOutMinimum;
        uint160 sqrtPriceLimitX96;
    }

    /// @notice Swaps `amountIn` of one token for as much as possible of another token
    /// @param params The parameters necessary for the swap, encoded as `ExactInputSingleParams` in calldata
    /// @return amountOut The amount of the received token
    function exactInputSingle(ExactInputSingleParams calldata params) external payable returns (uint256 amountOut);

    struct ExactInputParams {
        bytes path;
        address recipient;
        uint256 deadline;
        uint256 amountIn;
        uint256 amountOutMinimum;
    }

    /// @notice Swaps `amountIn` of one token for as much as possible of another along the specified path
    /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactInputParams` in calldata
    /// @return amountOut The amount of the received token
    function exactInput(ExactInputParams calldata params) external payable returns (uint256 amountOut);

    struct ExactOutputSingleParams {
        address tokenIn;
        address tokenOut;
        uint24 fee;
        address recipient;
        uint256 deadline;
        uint256 amountOut;
        uint256 amountInMaximum;
        uint160 sqrtPriceLimitX96;
    }

    /// @notice Swaps as little as possible of one token for `amountOut` of another token
    /// @param params The parameters necessary for the swap, encoded as `ExactOutputSingleParams` in calldata
    /// @return amountIn The amount of the input token
    function exactOutputSingle(ExactOutputSingleParams calldata params) external payable returns (uint256 amountIn);

    struct ExactOutputParams {
        bytes path;
        address recipient;
        uint256 deadline;
        uint256 amountOut;
        uint256 amountInMaximum;
    }

    /// @notice Swaps as little as possible of one token for `amountOut` of another along the specified path (reversed)
    /// @param params The parameters necessary for the multi-hop swap, encoded as `ExactOutputParams` in calldata
    /// @return amountIn The amount of the input token
    function exactOutput(ExactOutputParams calldata params) external payable returns (uint256 amountIn);
}

// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.0;
import "./IUniswapV3Factory.sol";
import "./IAFi.sol";

interface IUniswapOracleV3 {
  function PERIOD() external returns (uint256);

  function factory() external returns (address);

  function getTotalProfit() external view returns (uint256);

  function getDaoProfit() external view returns (uint256);
  
  function update(address _tokenIn, address _tokenOut) external;

  function quotePrice(IAFi aFiContract,address _tokenIn, address _depositToken, uint256 _amount) external view returns (uint256 price);


  function consult(
    address _tokenIn,
    uint256 _amountIn,
    address _tokenOut
  ) external view returns (uint256 _amountOut);

  function estimateAmountOut(
    address tokenIn,
    uint128 amountIn,
    address tokenOut
  ) external view returns (uint amountOut);

  function estimateAmountOutMin(
    address tokenIn,
    uint128 amountIn,
    address tokenOut,
    address pool
  ) external view returns (uint amountOut);

  function updateAndConsult(
    address _tokenIn,
    uint256 _amountIn,
    address _tokenOut
  ) external returns (uint256 _amountOut);

  function checkUnderlyingPool(address token) external view returns (bool hasPool);

  function getStalePriceDelay(address aFiContract, address uToken) external view returns(uint256);

  function getPriceAndDecimals(address aFiContract, address uToken, address feed) external view returns(int256 , uint8 );

  function getPriceInUSD(address tok) external view returns (uint256, uint256);

  function getControllers(address afiContract) external view returns(address, address);

  function cumulativeSwap(IAFi.SwapParameters memory params, uint256 pauseDepositFees, IAFi.SwapDataStructure calldata dexdata, bytes[] calldata cometSwapData, uint256 minAmountOut) external;
  
  function untrackedTokenSetByManager(address afiContract, address[] memory depositTokens, address[] memory uTok, uint256 csCounter) external;
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/// @title The interface for the Uniswap V3 Factory
/// @notice The Uniswap V3 Factory facilitates creation of Uniswap V3 pools and control over the protocol fees
interface IUniswapV3Factory {
  /// @notice Emitted when the owner of the factory is changed
  /// @param oldOwner The owner before the owner was changed
  /// @param newOwner The owner after the owner was changed
  event OwnerChanged(address indexed oldOwner, address indexed newOwner);

  /// @notice Emitted when a pool is created
  /// @param token0 The first token of the pool by address sort order
  /// @param token1 The second token of the pool by address sort order
  /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip
  /// @param tickSpacing The minimum number of ticks between initialized ticks
  /// @param pool The address of the created pool
  event PoolCreated(
    address indexed token0,
    address indexed token1,
    uint24 indexed fee,
    int24 tickSpacing,
    address pool
  );

  /// @notice Emitted when a new fee amount is enabled for pool creation via the factory
  /// @param fee The enabled fee, denominated in hundredths of a bip
  /// @param tickSpacing The minimum number of ticks between initialized ticks for pools created with the given fee
  event FeeAmountEnabled(uint24 indexed fee, int24 indexed tickSpacing);

  /// @notice Returns the current owner of the factory
  /// @dev Can be changed by the current owner via setOwner
  /// @return The address of the factory owner
  function owner() external view returns (address);

  /// @notice Returns the tick spacing for a given fee amount, if enabled, or 0 if not enabled
  /// @dev A fee amount can never be removed, so this value should be hard coded or cached in the calling context
  /// @param fee The enabled fee, denominated in hundredths of a bip. Returns 0 in case of unenabled fee
  /// @return The tick spacing
  function feeAmountTickSpacing(uint24 fee) external view returns (int24);

  /// @notice Returns the pool address for a given pair of tokens and a fee, or address 0 if it does not exist
  /// @dev tokenA and tokenB may be passed in either token0/token1 or token1/token0 order
  /// @param tokenA The contract address of either token0 or token1
  /// @param tokenB The contract address of the other token
  /// @param fee The fee collected upon every swap in the pool, denominated in hundredths of a bip
  /// @return pool The pool address
  function getPool(
    address tokenA,
    address tokenB,
    uint24 fee
  ) external view returns (address pool);

  /// @notice Creates a pool for the given two tokens and fee
  /// @param tokenA One of the two tokens in the desired pool
  /// @param tokenB The other of the two tokens in the desired pool
  /// @param fee The desired fee for the pool
  /// @dev tokenA and tokenB may be passed in either order: token0/token1 or token1/token0. tickSpacing is retrieved
  /// from the fee. The call will revert if the pool already exists, the fee is invalid, or the token arguments
  /// are invalid.
  /// @return pool The address of the newly created pool
  function createPool(
    address tokenA,
    address tokenB,
    uint24 fee
  ) external returns (address pool);

  /// @notice Updates the owner of the factory
  /// @dev Must be called by the current owner
  /// @param _owner The new owner of the factory
  function setOwner(address _owner) external;

  /// @notice Enables a fee amount with the given tickSpacing
  /// @dev Fee amounts may never be removed once enabled
  /// @param fee The fee amount to enable, denominated in hundredths of a bip (i.e. 1e-6)
  /// @param tickSpacing The spacing between ticks to be enforced for all pools created with the given fee amount
  function enableFeeAmount(uint24 fee, int24 tickSpacing) external;
}

interface IUniswapV3Pool {
  function observe(
    uint32[] calldata secondsAgos
  ) external
    view
    returns (
      int56[] memory tickCumulatives,
      uint160[] memory secondsPerLiquidityCumulativeX128s
    );

  function increaseObservationCardinalityNext(uint16 observationCardinalityNext) external;
  function fee() external returns(uint24);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

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

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

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions 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 {
        _transferOwnership(address(0));
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.0;

import "./Ownable.sol";

/**
 * @dev Contract module which provides 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} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2Step is Ownable {
    address internal _pendingOwner;

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

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

    // /**
    //  * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
    //  * Can only be called by the current owner.
    //  */
    // function transferOwnership(address newOwner) public virtual override onlyOwner {
    //     _pendingOwner = newOwner;
    //     emit OwnershipTransferStarted(owner(), newOwner);
    // }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual override {
        delete _pendingOwner;
        super._transferOwnership(newOwner);
    }

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() external {
        address sender = _msgSender();
        require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
        _transferOwnership(sender);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import {Ownable2Step} from "./Ownable2Step.sol";

contract OwnableDelayModule is Ownable2Step {
  address internal delayModule;

  constructor() {
    delayModule = msg.sender;
  }

  function isDelayModule() internal view {
    require(msg.sender == delayModule, "NA");
  }

  function setDelayModule(address _delayModule) external {
    isDelayModule();
    require(_delayModule != address(0), "ODZ");
    delayModule = _delayModule;
  }

  function getDelayModule() external view returns (address) {
    return delayModule;
  }

  /**
   * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
   * Can only be called by the current owner.
   */
  function transferOwnership(address newOwner) public override {
    isDelayModule();
    _pendingOwner = newOwner;
    emit OwnershipTransferStarted(owner(), newOwner);
  }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.

pragma solidity ^0.8.0;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such an operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 *
 * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing
 * all math on `uint256` and `int256` and then downcasting.
 */
library SafeCast {
    /**
     * @dev Returns the downcasted uint248 from uint256, reverting on
     * overflow (when the input is greater than largest uint248).
     *
     * Counterpart to Solidity's `uint248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     *
     * _Available since v4.7._
     */
    function toUint248(uint256 value) internal pure returns (uint248) {
        require(value <= type(uint248).max, "SafeCast: value doesn't fit in 248 bits");
        return uint248(value);
    }

    /**
     * @dev Returns the downcasted uint240 from uint256, reverting on
     * overflow (when the input is greater than largest uint240).
     *
     * Counterpart to Solidity's `uint240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     *
     * _Available since v4.7._
     */
    function toUint240(uint256 value) internal pure returns (uint240) {
        require(value <= type(uint240).max, "SafeCast: value doesn't fit in 240 bits");
        return uint240(value);
    }

    /**
     * @dev Returns the downcasted uint232 from uint256, reverting on
     * overflow (when the input is greater than largest uint232).
     *
     * Counterpart to Solidity's `uint232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     *
     * _Available since v4.7._
     */
    function toUint232(uint256 value) internal pure returns (uint232) {
        require(value <= type(uint232).max, "SafeCast: value doesn't fit in 232 bits");
        return uint232(value);
    }

    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     *
     * _Available since v4.2._
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint216 from uint256, reverting on
     * overflow (when the input is greater than largest uint216).
     *
     * Counterpart to Solidity's `uint216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     *
     * _Available since v4.7._
     */
    function toUint216(uint256 value) internal pure returns (uint216) {
        require(value <= type(uint216).max, "SafeCast: value doesn't fit in 216 bits");
        return uint216(value);
    }

    /**
     * @dev Returns the downcasted uint208 from uint256, reverting on
     * overflow (when the input is greater than largest uint208).
     *
     * Counterpart to Solidity's `uint208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     *
     * _Available since v4.7._
     */
    function toUint208(uint256 value) internal pure returns (uint208) {
        require(value <= type(uint208).max, "SafeCast: value doesn't fit in 208 bits");
        return uint208(value);
    }

    /**
     * @dev Returns the downcasted uint200 from uint256, reverting on
     * overflow (when the input is greater than largest uint200).
     *
     * Counterpart to Solidity's `uint200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     *
     * _Available since v4.7._
     */
    function toUint200(uint256 value) internal pure returns (uint200) {
        require(value <= type(uint200).max, "SafeCast: value doesn't fit in 200 bits");
        return uint200(value);
    }

    /**
     * @dev Returns the downcasted uint192 from uint256, reverting on
     * overflow (when the input is greater than largest uint192).
     *
     * Counterpart to Solidity's `uint192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     *
     * _Available since v4.7._
     */
    function toUint192(uint256 value) internal pure returns (uint192) {
        require(value <= type(uint192).max, "SafeCast: value doesn't fit in 192 bits");
        return uint192(value);
    }

    /**
     * @dev Returns the downcasted uint184 from uint256, reverting on
     * overflow (when the input is greater than largest uint184).
     *
     * Counterpart to Solidity's `uint184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     *
     * _Available since v4.7._
     */
    function toUint184(uint256 value) internal pure returns (uint184) {
        require(value <= type(uint184).max, "SafeCast: value doesn't fit in 184 bits");
        return uint184(value);
    }

    /**
     * @dev Returns the downcasted uint176 from uint256, reverting on
     * overflow (when the input is greater than largest uint176).
     *
     * Counterpart to Solidity's `uint176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     *
     * _Available since v4.7._
     */
    function toUint176(uint256 value) internal pure returns (uint176) {
        require(value <= type(uint176).max, "SafeCast: value doesn't fit in 176 bits");
        return uint176(value);
    }

    /**
     * @dev Returns the downcasted uint168 from uint256, reverting on
     * overflow (when the input is greater than largest uint168).
     *
     * Counterpart to Solidity's `uint168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     *
     * _Available since v4.7._
     */
    function toUint168(uint256 value) internal pure returns (uint168) {
        require(value <= type(uint168).max, "SafeCast: value doesn't fit in 168 bits");
        return uint168(value);
    }

    /**
     * @dev Returns the downcasted uint160 from uint256, reverting on
     * overflow (when the input is greater than largest uint160).
     *
     * Counterpart to Solidity's `uint160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     *
     * _Available since v4.7._
     */
    function toUint160(uint256 value) internal pure returns (uint160) {
        require(value <= type(uint160).max, "SafeCast: value doesn't fit in 160 bits");
        return uint160(value);
    }

    /**
     * @dev Returns the downcasted uint152 from uint256, reverting on
     * overflow (when the input is greater than largest uint152).
     *
     * Counterpart to Solidity's `uint152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     *
     * _Available since v4.7._
     */
    function toUint152(uint256 value) internal pure returns (uint152) {
        require(value <= type(uint152).max, "SafeCast: value doesn't fit in 152 bits");
        return uint152(value);
    }

    /**
     * @dev Returns the downcasted uint144 from uint256, reverting on
     * overflow (when the input is greater than largest uint144).
     *
     * Counterpart to Solidity's `uint144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     *
     * _Available since v4.7._
     */
    function toUint144(uint256 value) internal pure returns (uint144) {
        require(value <= type(uint144).max, "SafeCast: value doesn't fit in 144 bits");
        return uint144(value);
    }

    /**
     * @dev Returns the downcasted uint136 from uint256, reverting on
     * overflow (when the input is greater than largest uint136).
     *
     * Counterpart to Solidity's `uint136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     *
     * _Available since v4.7._
     */
    function toUint136(uint256 value) internal pure returns (uint136) {
        require(value <= type(uint136).max, "SafeCast: value doesn't fit in 136 bits");
        return uint136(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v2.5._
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint120 from uint256, reverting on
     * overflow (when the input is greater than largest uint120).
     *
     * Counterpart to Solidity's `uint120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     *
     * _Available since v4.7._
     */
    function toUint120(uint256 value) internal pure returns (uint120) {
        require(value <= type(uint120).max, "SafeCast: value doesn't fit in 120 bits");
        return uint120(value);
    }

    /**
     * @dev Returns the downcasted uint112 from uint256, reverting on
     * overflow (when the input is greater than largest uint112).
     *
     * Counterpart to Solidity's `uint112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     *
     * _Available since v4.7._
     */
    function toUint112(uint256 value) internal pure returns (uint112) {
        require(value <= type(uint112).max, "SafeCast: value doesn't fit in 112 bits");
        return uint112(value);
    }

    /**
     * @dev Returns the downcasted uint104 from uint256, reverting on
     * overflow (when the input is greater than largest uint104).
     *
     * Counterpart to Solidity's `uint104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     *
     * _Available since v4.7._
     */
    function toUint104(uint256 value) internal pure returns (uint104) {
        require(value <= type(uint104).max, "SafeCast: value doesn't fit in 104 bits");
        return uint104(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     *
     * _Available since v4.2._
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint88 from uint256, reverting on
     * overflow (when the input is greater than largest uint88).
     *
     * Counterpart to Solidity's `uint88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     *
     * _Available since v4.7._
     */
    function toUint88(uint256 value) internal pure returns (uint88) {
        require(value <= type(uint88).max, "SafeCast: value doesn't fit in 88 bits");
        return uint88(value);
    }

    /**
     * @dev Returns the downcasted uint80 from uint256, reverting on
     * overflow (when the input is greater than largest uint80).
     *
     * Counterpart to Solidity's `uint80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     *
     * _Available since v4.7._
     */
    function toUint80(uint256 value) internal pure returns (uint80) {
        require(value <= type(uint80).max, "SafeCast: value doesn't fit in 80 bits");
        return uint80(value);
    }

    /**
     * @dev Returns the downcasted uint72 from uint256, reverting on
     * overflow (when the input is greater than largest uint72).
     *
     * Counterpart to Solidity's `uint72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     *
     * _Available since v4.7._
     */
    function toUint72(uint256 value) internal pure returns (uint72) {
        require(value <= type(uint72).max, "SafeCast: value doesn't fit in 72 bits");
        return uint72(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v2.5._
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint56 from uint256, reverting on
     * overflow (when the input is greater than largest uint56).
     *
     * Counterpart to Solidity's `uint56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     *
     * _Available since v4.7._
     */
    function toUint56(uint256 value) internal pure returns (uint56) {
        require(value <= type(uint56).max, "SafeCast: value doesn't fit in 56 bits");
        return uint56(value);
    }

    /**
     * @dev Returns the downcasted uint48 from uint256, reverting on
     * overflow (when the input is greater than largest uint48).
     *
     * Counterpart to Solidity's `uint48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     *
     * _Available since v4.7._
     */
    function toUint48(uint256 value) internal pure returns (uint48) {
        require(value <= type(uint48).max, "SafeCast: value doesn't fit in 48 bits");
        return uint48(value);
    }

    /**
     * @dev Returns the downcasted uint40 from uint256, reverting on
     * overflow (when the input is greater than largest uint40).
     *
     * Counterpart to Solidity's `uint40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     *
     * _Available since v4.7._
     */
    function toUint40(uint256 value) internal pure returns (uint40) {
        require(value <= type(uint40).max, "SafeCast: value doesn't fit in 40 bits");
        return uint40(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v2.5._
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint24 from uint256, reverting on
     * overflow (when the input is greater than largest uint24).
     *
     * Counterpart to Solidity's `uint24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     *
     * _Available since v4.7._
     */
    function toUint24(uint256 value) internal pure returns (uint24) {
        require(value <= type(uint24).max, "SafeCast: value doesn't fit in 24 bits");
        return uint24(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v2.5._
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     *
     * _Available since v2.5._
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     *
     * _Available since v3.0._
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        require(value >= 0, "SafeCast: value must be positive");
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int248 from int256, reverting on
     * overflow (when the input is less than smallest int248 or
     * greater than largest int248).
     *
     * Counterpart to Solidity's `int248` operator.
     *
     * Requirements:
     *
     * - input must fit into 248 bits
     *
     * _Available since v4.7._
     */
    function toInt248(int256 value) internal pure returns (int248 downcasted) {
        downcasted = int248(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 248 bits");
    }

    /**
     * @dev Returns the downcasted int240 from int256, reverting on
     * overflow (when the input is less than smallest int240 or
     * greater than largest int240).
     *
     * Counterpart to Solidity's `int240` operator.
     *
     * Requirements:
     *
     * - input must fit into 240 bits
     *
     * _Available since v4.7._
     */
    function toInt240(int256 value) internal pure returns (int240 downcasted) {
        downcasted = int240(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 240 bits");
    }

    /**
     * @dev Returns the downcasted int232 from int256, reverting on
     * overflow (when the input is less than smallest int232 or
     * greater than largest int232).
     *
     * Counterpart to Solidity's `int232` operator.
     *
     * Requirements:
     *
     * - input must fit into 232 bits
     *
     * _Available since v4.7._
     */
    function toInt232(int256 value) internal pure returns (int232 downcasted) {
        downcasted = int232(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 232 bits");
    }

    /**
     * @dev Returns the downcasted int224 from int256, reverting on
     * overflow (when the input is less than smallest int224 or
     * greater than largest int224).
     *
     * Counterpart to Solidity's `int224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     *
     * _Available since v4.7._
     */
    function toInt224(int256 value) internal pure returns (int224 downcasted) {
        downcasted = int224(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 224 bits");
    }

    /**
     * @dev Returns the downcasted int216 from int256, reverting on
     * overflow (when the input is less than smallest int216 or
     * greater than largest int216).
     *
     * Counterpart to Solidity's `int216` operator.
     *
     * Requirements:
     *
     * - input must fit into 216 bits
     *
     * _Available since v4.7._
     */
    function toInt216(int256 value) internal pure returns (int216 downcasted) {
        downcasted = int216(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 216 bits");
    }

    /**
     * @dev Returns the downcasted int208 from int256, reverting on
     * overflow (when the input is less than smallest int208 or
     * greater than largest int208).
     *
     * Counterpart to Solidity's `int208` operator.
     *
     * Requirements:
     *
     * - input must fit into 208 bits
     *
     * _Available since v4.7._
     */
    function toInt208(int256 value) internal pure returns (int208 downcasted) {
        downcasted = int208(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 208 bits");
    }

    /**
     * @dev Returns the downcasted int200 from int256, reverting on
     * overflow (when the input is less than smallest int200 or
     * greater than largest int200).
     *
     * Counterpart to Solidity's `int200` operator.
     *
     * Requirements:
     *
     * - input must fit into 200 bits
     *
     * _Available since v4.7._
     */
    function toInt200(int256 value) internal pure returns (int200 downcasted) {
        downcasted = int200(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 200 bits");
    }

    /**
     * @dev Returns the downcasted int192 from int256, reverting on
     * overflow (when the input is less than smallest int192 or
     * greater than largest int192).
     *
     * Counterpart to Solidity's `int192` operator.
     *
     * Requirements:
     *
     * - input must fit into 192 bits
     *
     * _Available since v4.7._
     */
    function toInt192(int256 value) internal pure returns (int192 downcasted) {
        downcasted = int192(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 192 bits");
    }

    /**
     * @dev Returns the downcasted int184 from int256, reverting on
     * overflow (when the input is less than smallest int184 or
     * greater than largest int184).
     *
     * Counterpart to Solidity's `int184` operator.
     *
     * Requirements:
     *
     * - input must fit into 184 bits
     *
     * _Available since v4.7._
     */
    function toInt184(int256 value) internal pure returns (int184 downcasted) {
        downcasted = int184(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 184 bits");
    }

    /**
     * @dev Returns the downcasted int176 from int256, reverting on
     * overflow (when the input is less than smallest int176 or
     * greater than largest int176).
     *
     * Counterpart to Solidity's `int176` operator.
     *
     * Requirements:
     *
     * - input must fit into 176 bits
     *
     * _Available since v4.7._
     */
    function toInt176(int256 value) internal pure returns (int176 downcasted) {
        downcasted = int176(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 176 bits");
    }

    /**
     * @dev Returns the downcasted int168 from int256, reverting on
     * overflow (when the input is less than smallest int168 or
     * greater than largest int168).
     *
     * Counterpart to Solidity's `int168` operator.
     *
     * Requirements:
     *
     * - input must fit into 168 bits
     *
     * _Available since v4.7._
     */
    function toInt168(int256 value) internal pure returns (int168 downcasted) {
        downcasted = int168(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 168 bits");
    }

    /**
     * @dev Returns the downcasted int160 from int256, reverting on
     * overflow (when the input is less than smallest int160 or
     * greater than largest int160).
     *
     * Counterpart to Solidity's `int160` operator.
     *
     * Requirements:
     *
     * - input must fit into 160 bits
     *
     * _Available since v4.7._
     */
    function toInt160(int256 value) internal pure returns (int160 downcasted) {
        downcasted = int160(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 160 bits");
    }

    /**
     * @dev Returns the downcasted int152 from int256, reverting on
     * overflow (when the input is less than smallest int152 or
     * greater than largest int152).
     *
     * Counterpart to Solidity's `int152` operator.
     *
     * Requirements:
     *
     * - input must fit into 152 bits
     *
     * _Available since v4.7._
     */
    function toInt152(int256 value) internal pure returns (int152 downcasted) {
        downcasted = int152(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 152 bits");
    }

    /**
     * @dev Returns the downcasted int144 from int256, reverting on
     * overflow (when the input is less than smallest int144 or
     * greater than largest int144).
     *
     * Counterpart to Solidity's `int144` operator.
     *
     * Requirements:
     *
     * - input must fit into 144 bits
     *
     * _Available since v4.7._
     */
    function toInt144(int256 value) internal pure returns (int144 downcasted) {
        downcasted = int144(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 144 bits");
    }

    /**
     * @dev Returns the downcasted int136 from int256, reverting on
     * overflow (when the input is less than smallest int136 or
     * greater than largest int136).
     *
     * Counterpart to Solidity's `int136` operator.
     *
     * Requirements:
     *
     * - input must fit into 136 bits
     *
     * _Available since v4.7._
     */
    function toInt136(int256 value) internal pure returns (int136 downcasted) {
        downcasted = int136(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 136 bits");
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v3.1._
     */
    function toInt128(int256 value) internal pure returns (int128 downcasted) {
        downcasted = int128(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 128 bits");
    }

    /**
     * @dev Returns the downcasted int120 from int256, reverting on
     * overflow (when the input is less than smallest int120 or
     * greater than largest int120).
     *
     * Counterpart to Solidity's `int120` operator.
     *
     * Requirements:
     *
     * - input must fit into 120 bits
     *
     * _Available since v4.7._
     */
    function toInt120(int256 value) internal pure returns (int120 downcasted) {
        downcasted = int120(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 120 bits");
    }

    /**
     * @dev Returns the downcasted int112 from int256, reverting on
     * overflow (when the input is less than smallest int112 or
     * greater than largest int112).
     *
     * Counterpart to Solidity's `int112` operator.
     *
     * Requirements:
     *
     * - input must fit into 112 bits
     *
     * _Available since v4.7._
     */
    function toInt112(int256 value) internal pure returns (int112 downcasted) {
        downcasted = int112(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 112 bits");
    }

    /**
     * @dev Returns the downcasted int104 from int256, reverting on
     * overflow (when the input is less than smallest int104 or
     * greater than largest int104).
     *
     * Counterpart to Solidity's `int104` operator.
     *
     * Requirements:
     *
     * - input must fit into 104 bits
     *
     * _Available since v4.7._
     */
    function toInt104(int256 value) internal pure returns (int104 downcasted) {
        downcasted = int104(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 104 bits");
    }

    /**
     * @dev Returns the downcasted int96 from int256, reverting on
     * overflow (when the input is less than smallest int96 or
     * greater than largest int96).
     *
     * Counterpart to Solidity's `int96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     *
     * _Available since v4.7._
     */
    function toInt96(int256 value) internal pure returns (int96 downcasted) {
        downcasted = int96(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 96 bits");
    }

    /**
     * @dev Returns the downcasted int88 from int256, reverting on
     * overflow (when the input is less than smallest int88 or
     * greater than largest int88).
     *
     * Counterpart to Solidity's `int88` operator.
     *
     * Requirements:
     *
     * - input must fit into 88 bits
     *
     * _Available since v4.7._
     */
    function toInt88(int256 value) internal pure returns (int88 downcasted) {
        downcasted = int88(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 88 bits");
    }

    /**
     * @dev Returns the downcasted int80 from int256, reverting on
     * overflow (when the input is less than smallest int80 or
     * greater than largest int80).
     *
     * Counterpart to Solidity's `int80` operator.
     *
     * Requirements:
     *
     * - input must fit into 80 bits
     *
     * _Available since v4.7._
     */
    function toInt80(int256 value) internal pure returns (int80 downcasted) {
        downcasted = int80(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 80 bits");
    }

    /**
     * @dev Returns the downcasted int72 from int256, reverting on
     * overflow (when the input is less than smallest int72 or
     * greater than largest int72).
     *
     * Counterpart to Solidity's `int72` operator.
     *
     * Requirements:
     *
     * - input must fit into 72 bits
     *
     * _Available since v4.7._
     */
    function toInt72(int256 value) internal pure returns (int72 downcasted) {
        downcasted = int72(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 72 bits");
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v3.1._
     */
    function toInt64(int256 value) internal pure returns (int64 downcasted) {
        downcasted = int64(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 64 bits");
    }

    /**
     * @dev Returns the downcasted int56 from int256, reverting on
     * overflow (when the input is less than smallest int56 or
     * greater than largest int56).
     *
     * Counterpart to Solidity's `int56` operator.
     *
     * Requirements:
     *
     * - input must fit into 56 bits
     *
     * _Available since v4.7._
     */
    function toInt56(int256 value) internal pure returns (int56 downcasted) {
        downcasted = int56(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 56 bits");
    }

    /**
     * @dev Returns the downcasted int48 from int256, reverting on
     * overflow (when the input is less than smallest int48 or
     * greater than largest int48).
     *
     * Counterpart to Solidity's `int48` operator.
     *
     * Requirements:
     *
     * - input must fit into 48 bits
     *
     * _Available since v4.7._
     */
    function toInt48(int256 value) internal pure returns (int48 downcasted) {
        downcasted = int48(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 48 bits");
    }

    /**
     * @dev Returns the downcasted int40 from int256, reverting on
     * overflow (when the input is less than smallest int40 or
     * greater than largest int40).
     *
     * Counterpart to Solidity's `int40` operator.
     *
     * Requirements:
     *
     * - input must fit into 40 bits
     *
     * _Available since v4.7._
     */
    function toInt40(int256 value) internal pure returns (int40 downcasted) {
        downcasted = int40(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 40 bits");
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v3.1._
     */
    function toInt32(int256 value) internal pure returns (int32 downcasted) {
        downcasted = int32(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 32 bits");
    }

    /**
     * @dev Returns the downcasted int24 from int256, reverting on
     * overflow (when the input is less than smallest int24 or
     * greater than largest int24).
     *
     * Counterpart to Solidity's `int24` operator.
     *
     * Requirements:
     *
     * - input must fit into 24 bits
     *
     * _Available since v4.7._
     */
    function toInt24(int256 value) internal pure returns (int24 downcasted) {
        downcasted = int24(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 24 bits");
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v3.1._
     */
    function toInt16(int256 value) internal pure returns (int16 downcasted) {
        downcasted = int16(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 16 bits");
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits
     *
     * _Available since v3.1._
     */
    function toInt8(int256 value) internal pure returns (int8 downcasted) {
        downcasted = int8(value);
        require(downcasted == value, "SafeCast: value doesn't fit in 8 bits");
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     *
     * _Available since v3.0._
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
        return int256(value);
    }
}

    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

    pragma solidity ^0.8.0;

    import "./IERC20.sol";
    import "./draft-IERC20Permit.sol";
    import "./Address.sol";

    /**
    * @title SafeERC20
    * @dev Wrappers around ERC20 operations that throw on failure (when the token
    * contract returns false). Tokens that return no value (and instead revert or
    * throw on failure) are also supported, non-reverting calls are assumed to be
    * successful.
    * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
    * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
    */
    library SafeERC20 {
        using Address for address;

        function safeTransfer(
            IERC20 token,
            address to,
            uint256 value
        ) internal {
            _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
        }

        function safeTransferFrom(
            IERC20 token,
            address from,
            address to,
            uint256 value
        ) internal {
            _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
        }

        /**
        * @dev Deprecated. This function has issues similar to the ones found in
        * {IERC20-approve}, and its usage is discouraged.
        *
        * Whenever possible, use {safeIncreaseAllowance} and
        * {safeDecreaseAllowance} instead.
        */
        function safeApprove(
            IERC20 token,
            address spender,
            uint256 value
        ) internal {
            // safeApprove should only be called when setting an initial allowance,
            // or when resetting it to zero. To increase and decrease it, use
            // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
            require(
                (value == 0) || (token.allowance(address(this), spender) == 0),
                "SafeERC20: approve from non-zero to non-zero allowance"
            );
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
        }

        function safeIncreaseAllowance(
            IERC20 token,
            address spender,
            uint256 value
        ) internal {
            uint256 newAllowance = token.allowance(address(this), spender) + value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }

        function safeDecreaseAllowance(
            IERC20 token,
            address spender,
            uint256 value
        ) internal {
            unchecked {
                uint256 oldAllowance = token.allowance(address(this), spender);
                require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
                uint256 newAllowance = oldAllowance - value;
                _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
            }
        }

        function safePermit(
            IERC20Permit token,
            address owner,
            address spender,
            uint256 value,
            uint256 deadline,
            uint8 v,
            bytes32 r,
            bytes32 s
        ) internal {
            uint256 nonceBefore = token.nonces(owner);
            token.permit(owner, spender, value, deadline, v, r, s);
            uint256 nonceAfter = token.nonces(owner);
            require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
        }

        /**
        * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
        * on the return value: the return value is optional (but if data is returned, it must not be false).
        * @param token The token targeted by the call.
        * @param data The call data (encoded using abi.encode or one of its variants).
        */
        function _callOptionalReturn(IERC20 token, bytes memory data) private {
            // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
            // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
            // the target address contains contract code and also asserts for success in the low-level call.

            bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
            if (returndata.length > 0) {
                // Return data is optional
                require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
            }
        }
    }

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ring","name":"tokenName","type":"string"},{"internalType":"string","name":"tokenSymbol","type":"string"},{"internalType":"bytes","name":"data","type":"bytes"},{"internalType":"bool","name":"_isActiveRebalanced","type":"bool"},{"internalType":"contract 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